МЕТОД И СИСТЕМА КОМБИНИРОВАННОГО РАДИАЦИОННОГО НЕРАЗРУШАЮЩЕГО КОНТРОЛЯ

Использование: для радиационного неразрушающего контроля. Сущность изобретения заключается в том, что в соответствии с методом и системой источник гамма-излучения, источник рентгеновского излучения, твердотельный линейный матричный детектор, газовый линейный матричный детектор и планарный матричный детектор интегрированы на жестком основании при помощи опор источника излучения и детектора соответственно, визуализация цифровой рентгенографии, компьютерной томографии или конусно-лучевой компьютерной томографии выполняются посредством комбинации различных источников излучения и различных детекторов с целью реализации многоуровневого сечения и многорежимного обнаружения на заготовках. Технический результат: обеспечение высокого разрешения обнаружения, высокой чувствительности обнаружения, высокой проникающей способности излучения и хорошей долгосрочной стабильности. 2 н. и 8 з.п. ф-лы, 3 ил.

УСТРОЙСТВО И СПОСОБ ДЛЯ ИЗМЕРЕНИЯ РАСХОДА И СОСТАВА МНОГОФАЗНОЙ ФЛЮИДНОЙ СМЕСИ

Изобретение относится к устройству (1) для измерения расхода и/или состава многофазной флюидной смеси. Устройство содержит средство (2) излучения, выполненное с возможностью генерации импульсного пучка фотонов для облучения флюидной смеси пространственно вдоль участка (19) потока смеси. Средство (6) управления выполнено с возможностью приложения предопределенного, зависимого от времени напряжения к средству (2) излучения в течение одного импульса фотонов. Средство (3) обнаружения пространственно сконфигурировано для приема фотонов, исходящих от участка (19) потока смеси, в различные моменты времени в течение импульса фотонов, чтобы сформировать изображения пространственного распределения принятых фотонов для каждой из точек во времени. Средство (4) анализа выполнено с возможностью определения расхода одной или нескольких фаз смеси и/или состава смеси на основе временной последовательности изображений пространственного распределения принятых фотонов. Технический результат - упрощение способа ...

ФОРМИРОВАНИЕ ДИФФЕРЕНЦИАЛЬНЫХ ФАЗОВО-КОНТРАСТНЫХ ИЗОБРАЖЕНИЙ С ПЛАСТИНАМИ ФОКУСИРУЮЩИХ СТРУКТУР ПРЕЛОМЛЕНИЯ

Изобретение относится к средствам формирования рентгеновских дифференциальных фазово-контрастных изображений, в частности к устройству преломления для формирования рентгеновских дифференциальных фазово-контрастных изображений. Заявленное устройство содержит структуру (41) преломления с первым множеством (44) первых участков (46) для изменения фазы и/или амплитуды рентгеновского излучения и вторым множеством (48) вторых участков (50), прозрачных для рентгеновского излучения. Первые и вторые участки скомпонованы периодически, так что в поперечном сечении структура преломления обеспечена профилем, выполненным так, что вторые участки скомпонованы в виде пазообразных выемок (54) между первыми участками, обеспеченными в качестве выступов (56). Соседние выступы формируют соответствующие боковые поверхности (58), частично огораживающие соответствующие выемки, скомпонованные в промежутке. Боковые поверхности каждой выемки имеют меняющееся расстояние (60) по глубине (62) выемки. Техническим результатом ...

КАЛИБРОВОЧНЫЙ ФАНТОМ АППАРАТНОГО ОБЕСПЕЧЕНИЯ ДЛЯ ДИФФЕРЕНЦИАЛЬНОЙ ФАЗОКОНТРАСТНОЙ ВИЗУАЛИЗАЦИИ

Использование: для калибровки системы фазоконтрастной визуализации. Сущность изобретения заключается в том, что фантомное тело (PB) включает в себя по меньшей мере три взаимно различимые части (P1, P2, P3), выполненные с возможностью совместно вызывать множество искажений относительно пучка рентгеновских лучей (XB), когда упомянутый пучок рентгеновских лучей проходит через фантомное тело (PB), причем упомянутое множество искажений включает в себя i) фазовый сдвиг, ii) поглощение и iii) декогеренцию, причем любое из искажений i), ii) и iii) вызвано именно одной частью из упомянутых по меньшей мере трех взаимно различимых частей (P1, P2, P3) в большей степени, чем другие степени, с которыми упомянутое любое из искажений вызвано соответствующими двумя другими частями из упомянутых по меньшей мере трех взаимно различимых частей (P1, P2, P3), и причем по меньшей мере одна часть из упомянутых по меньшей мере трех взаимно различимых частей (P1, P2, P3) включает в себя по меньшей мере три различимые ...

СПОСОБ СОЗДАНИЯ СИГНАТУРЫ ДЛЯ ДРАГОЦЕННОГО КАМНЯ С ИСПОЛЬЗОВАНИЕМ РЕНТГЕНОВСКОЙ ВИЗУАЛИЗАЦИИ

Использование: для создания сигнатуры драгоценного камня с использованием рентгеновской визуализации. Сущность изобретения заключается в том, что cпособ включает в себя этапы: установки драгоценного камня в держателе образца аппарата визуализации, причем аппарат визуализации содержит детектор, держатель образца, установленный на столике образца, рентгеновский источник, причем держатель образца и рентгеновский источник выставлены по оптической оси, причем держатель образца является перемещаемым относительно по меньшей мере одного рентгеновского источника и детектора; экспонирования драгоценного камня под рентгеновским излучением от рентгеновского источника по время перемещения держателя образца в соответствии со стратегией поиска, которую предварительно определяют для драгоценного камня на основании известных физических характеристик драгоценного камня; использования детектора для локализации пятен дифракции и/или экстинции, создаваемых решеткой кристаллов; использования локализованных пятен ...

МОБИЛЬНАЯ СИСТЕМА ОСМОТРА ТРАНСПОРТНОГО СРЕДСТВА (ВАРИАНТЫ)

Мобильная система осмотра транспортного средства содержит подвижное устройство, приводное устройство для привода подвижного устройства, чтобы оно перемещалось во время сканирующего осмотра, источник излучения, поворотный стол, установленный на подвижном устройстве, и вертикальную стойку, установленную на поворотном столе. Система содержит также поперечную балку детекторов, имеющую первый массив детекторов и один конец, соединенный с верхним концом вертикальной стойки, вертикальную балку детекторов со вторым массивом детекторов. Вертикальная балка детекторов имеет верхний конец, связанный с другим концом поперечной балки детекторов и простирающийся в направлении вниз из другого конца поперечной балки детекторов так, что вертикальная стойка и упомянутые балки образуют раму, по существу, в форме перевернутой буквы «U», с которой поперечная балка детекторов и вертикальная балка детекторов могут качаться посредством поворота вертикальной стойки с поворотным столом, между убранным положением, ...

СИСТЕМА ФОРМИРОВАНИЯ ИЗОБРАЖЕНИЯ

Использование: для формирования изображения с использованием проникающего излучения. Сущность: заключается в том, что система формирования трехмерного стереоскопического изображения содержит: средство формирования излучения, включающее в себя по меньшей мере один источник излучения, для формирования излучений; средство сбора данных, включающее в себя детекторную матрицу напротив источника излучения для получения спроецированных данных путем приема излучений, проникающих сквозь досматриваемый объект; средство транспортировки для осуществления линейного перемещения досматриваемого объекта между источником излучения и детекторной матрицей относительно источника излучения и детекторной матрицы; и средство управления и обработки изображения для управления средством формирования излучения, средством сбора данных и средством транспортировки и для реконструирования изображения досматриваемого объекта по спроецированным данным. Технический результат: повышение производительности детального контроля ...

МОБИЛЬНОЕ ИНСПЕКЦИОННО-ДОСМОТРОВОЕ УСТРОЙСТВО

Использование: для бесконтактного рентгеновского досмотра крупногабаритных объектов. Сущность полезной модели заключается в том, что мобильное инспекционно-досмотровое устройство состоит из рамы на колесном шасси, источника рентгеновского излучения, разворачивающей стрелы, на которой размещены детекторы рентгеновского излучения, при этом середина рамы колесного шасси выполнена П-образной формы, в проеме которой размещен подвижный источник рентгеновского излучения, который в рабочем положении опускается вниз. Технический результат: обеспечение возможности полного досмотра контролируемого объекта. 2 ил.

Способ определения степени шаржирования металлических поверхностей абразивными зёрнами из сверхтвердых абразивных материалов

Изобретение относится к абразивной обработке материалов и может быть использовано для контроля степени шаржирования материала после абразивной обработки с использованием алмаза или кубического нитрида бора. Сущность: получают изображение обработанной поверхности с помощью микроскопа методом обратно-рассеянных электронов. Для оценки количества шаржированных частиц выполняется дополнительная обработка изображения в виде изменения контраста и яркости изображения, затем определяют количество самых темных (черных) пикселей на растровом изображении посредством программного обеспечения с последующим определением степени шаржирования по выражению: , где S – степень шаржирования, С1 – общее количество пикселей изображения, С2 – количество тёмных пикселей. Технический результат: повышение надежности и точности оценки степени шаржирования поверхности при абразивной обработке. 3 ил.

СПОСОБ И СИСТЕМА БЫСТРОГО ДОСМОТРА ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится в общем к технологии быстрого досмотра транспортного средства на основе радиационного сканирования. Способ и система быстрого досмотра транспортного средства на основе устройства измерения длины, включающие в себя: когда подлежащее досмотру транспортное средство попадает в зону досмотра, измерение первой длины и второй длины подлежащего досмотру транспортного средства; определение, превышает ли первая длина и вторая длина соответственно заданное пороговое значение второй длины или равна ему; и если да, то определение, появляется ли участок зазора подлежащего досмотру транспортного средства между первым участком и вторым участком подлежащего досмотру транспортного средства в области излучения пучка, образованной пучком радиационного излучения, излучаемого системой для быстрого досмотра транспортного средства; и если участок зазора появляется в области излучения пучка, излучение пучка радиационного излучения первой дозы радиации на подлежащее досмотру транспортное средство ...

СПОСОБ ГЕНЕРАЦИИ ТОРМОЗНОГО ИЗЛУЧЕНИЯ С ПОИМПУЛЬСНЫМ ПЕРЕКЛЮЧЕНИЕМ ЭНЕРГИИ И ИСТОЧНИК ИЗЛУЧЕНИЯ ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение представляет собой способ генерации тормозного излучения с поимпульсным переключением энергии и источник для его осуществления с независимым регулированием мощности дозы излучения для каждой энергии. В основе источника лежит ускоряющая структура со стоячей волной, питаемая многолучевым клистроном. Поимпульсное переключение энергии ускоренного пучка электронов между двумя значениями достигается за счет переключения амплитуды импульса высокого напряжения, питающего клистрон от импульса к импульсу. При этом импульсы входной высокочастотной мощности клистрона для низкой и высокой энергии имеют одинаковую амплитуду и генерируются на одинаковой частоте, изменяющейся в соответствии с изменением резонансной частоты ускоряющейся структуры. Обеспечение требуемой мощности дозы осуществляется переключением от импульса к импульсу напряжения управляющего электрода электронной пушки. Технический результат - увеличение срока службы клистрона, повышение стабильности параметров ускоренного пучка ...

ИНТЕГРИРОВАННОЕ УСТРОЙСТВО КОЛЛИМАЦИИ И КАЛИБРОВКИ ДЛЯ СИСТЕМЫ ОСМОТРА КОНТЕЙНЕРА

Интегрированное устройство коллимации и калибровки для системы осмотра контейнера, содержащее блок (1) коллимации, блок (2) калибровки, основную плиту (15), двигатель (4) и множество несущих блоков (13), которые закреплены на основной плите (15), узел (5, 8, 10) передачи, связанный с выходным концом двигателя для передачи перемещения двигателя к несущей плите (11), отличающееся тем, что устройство дополнительно содержит скользящую плиту (12), стационарную плиту (3), установленную на скользящей плите и жестко соединенную со скользящей плитой (12), в котором блок (1) коллимации и блок (2) калибровки установлены на стационарной плите (3) для образования интегрированной конструкции, причем агрегатный зазор (9) образован между блоком (1) коллимации и блоком (2) калибровки, в результате чего блок (1) коллимации и блок (2) калибровки на стационарной плите (3) приводят в действие узлом (5, 8, 10) передачи и несущей плитой (11) с возможностью интегрированного перемещения. Технический результат: ...

СПОСОБ И СИСТЕМА ИЗМЕРЕНИЯ КРАЕВОГО УГЛА СМАЧИВАНИЯ

Использование: для измерения краевого угла смачивания для капли флюида на поверхности образца материала в окружении другого флюида. Сущность изобретения заключается в том, что образец материала, имеющий плоскую поверхность, помещают в рентгенопрозрачную ячейку, установленную на регулируемой платформе и соединенную с устройствами для заполнения ячейки первым флюидом и формирования капли второго флюида. Далее регулируют платформу, на которой установлена рентгенопрозрачная ячейка так, чтобы плоская поверхность образца стала горизонтальной, формируют каплю второго флюида на плоской поверхности образца, затем заполняют рентгенопрозрачную ячейку первым флюидом. В течение времени, достаточного для достижения равновесного состояния на поверхностях контакта обоих флюидов и образца, непрерывно выполняют рентгеновскую съемку ячейки, заполненной первым флюидом, с каплей второго флюида на поверхности образца, и сохраняют изображения. Далее смещают ячейку так, чтобы все поле зрения устройства рентгеновской ...

Устройство для проведения инструментального индентирования с возможностью экспериментального наблюдения области контакта индентора с поверхностью образца в реальном времени

Изобретение относится к устройствам определения упругих свойств материалов путем вдавливания микро- или наноиндентора в поверхность образца на заданную глубину либо под действием заданной силы. Устройство содержит точечный источник рентгеновского излучения, вращающийся гониометрический столик с блоком крепления образца и блок силового нагружения исследуемого материала, приемник рентгеновского излучения, а также компьютерный блок обработки и управления, узел, содержащий расположенные соосно отрезок цилиндрической трубки из материала прозрачного для рентгеновских лучей, микроиндентор и устройство линейного перемещения микроиндентора, для крепления вышеупомянутого узла на гониометрическом столике. На верхней плоскости посадочного места внутри цилиндрической трубки находится блок крепления исследуемого образца. Расстояние между источником и приемником рентгеновского излучения выбирается равным 30 ± 5 мм, а гониометрический столик с вышеупомянутым узлом располагается посередине между источником ...

ИНСПЕКЦИОННО-ДОСМОТРОВЫЙ КОМПЛЕКС

Использование: для досмотра крупногабаритных объектов (КГО). Сущность изобретения заключается в том, что для сканирования КГО инспекционно-досмотровый комплекс (ИДК) выставляется один раз параллельно рельсам и далее остается неподвижным. По рельсам относительно комплекса в створе «ворот» перемещается вперед-назад платформа с установленным на нее КГО. Для равномерного перемещения платформы применяется реверсивный электропривод, состоящий из аккумуляторной батареи, коммутатора полярности напряжения и двигателя постоянного тока. Для подзарядки аккумуляторной батареи в каждом мостке, по которому заезжает (съезжает) КГО на платформу (с платформы), установлено зарядное устройство, питающееся от внешнего напряжения сети, и контактный элемент. Розетка контактного элемента установлена на мостке, а вилка - на торце платформы так, чтобы вилка входила в розетку в соответствующем крайнем положении платформы на рабочей площадке. Технический результат: создание автономной, не зависящей от внешнего питающего ...

Способ биоиндикации агроэкосистемы свекловичного поля

Изобретение относится к области экологии и сельского хозяйства. В способе на оцениваемом участке поля выбирают экземпляры растений, измеряют первичные морфо-цветовые параметры листьев, оценивают состояние агроэкосистемы на участке. Выбирают здоровые без повреждений растения свеклы, однородные по внешним признакам, в количестве не менее трех. Морфо-цветовые параметры листьев получают путем фотографирования последних камерой смартфона, делают снимок второго листа растения свеклы известного возрастного состояния. В качестве первичных морфо-цветовых параметров принимают площадь и среднее значение серого изображения второго в порядке их появления в розетке листа растений свеклы. Вычисляют синтетический показатель S и соответствующую ему дозу внесенного азота по уравнению, найденному ранее в результате исследований морфо-цветовых параметров листьев растений свеклы, данного возрастного состояния и выращенных под различными дозами азота, как N=-20,6*S-0,9*T+17,2*S*T-20,6, где доза азота – N, кг ...

ДЕТЕКТОРНЫЙ МОДУЛЬ И СОДЕРЖАЩАЯ ЕГО СИСТЕМА ПОЛУЧЕНИЯ РАДИАЦИОННЫХ ИЗОБРАЖЕНИЙ

Предложенное изобретение относится к технологии радиационного контроля, а именно к модулям с двухрядной линейкой детекторов, используемым в системах получения радиационных изображений. Указанное изобретение направлено на повышение эффективности использования поля излучения. Предложенный детекторный модуль, предназначенный для получения радиационных изображений, содержит: первый ряд детекторов, установленный на первой поверхности пластины, выполненной из тяжелого металла; второй ряд детекторов, установленный на второй поверхности пластины, выполненной из тяжелого металла, причем вторая поверхность противоположна первой поверхности; и опорную раму, в которой размещены первый и второй ряд детекторов, установленные на первой и второй поверхностях пластины из тяжелого металла. На базе описанного детекторного модуля также реализована система получения радиационных изображений. 2 н. и 9 з.п. ф-лы, 3 ил.

Беспленочная автоматизированная рентгенометрическая система

Использование: для радиографического контроля качества сварных соединений различных металлоконструкций, в частности труб. Сущность изобретения заключается в том, что беспленочная автоматизированная рентгенометрическая система включает источник рентгеновского излучения, детекторный модуль, установленный на каретке автоматизированного перемещения и позиционирования, блок управления и питания. Для управления кареткой, получения и обработки результатов контроля сварных соединений в системе предусмотрен переносной компьютер. В случае панорамного способа просвечивания источник рентгеновского излучения размещается внутри металлоконструкции. В случае фронтального способа просвечивания источник рентгеновского излучения размещается на второй каретке либо снаружи металлоконструкции, либо на ее внутренней поверхности. Каретка автоматизированного перемещения и позиционирования содержит магнитные колеса, стационарную ручку, подвижную отрывную ручку, отрывные ролики, направляющие для крепления детекторного ...

СПОСОБ ОБРАБОТКИ ИЗОБРАЖЕНИЙ, УСТРОЙСТВО ОБРАБОТКИ ИЗОБРАЖЕНИЙ И НОСИТЕЛЬ ДАННЫХ

Использование: для обработки изображений. Сущность изобретения заключается в том, что способ обработки изображений включает обработку входных данных в проекционной области с использованием сверточной нейронной сети. Нейронная сеть содержит сеть проекционной области, слой сети аналитической реконструкции и сеть области визуализации. Сеть проекционной области может обрабатывать данные в проекционной области с целью восстановления возможных недостающих данных, за счет чего повышается качество проекции. Сеть области визуализации обрабатывает реконструированное изображение с целью получения оценочного изображения. Сеть области визуализации настраивается путем использования функции стоимости априорной модели на основе оценочного изображения, а для корректировки параметров сверточного ядра сети проекционной области выполняется обратное распространение градиента через слой сети аналитической реконструкции. Операция проецирования выполняется в отношении оценочного изображения с использованием проекционной ...

СПОСОБ НАСТРОЙКИ МАГНИТООПТИЧЕСКОЙ СИСТЕМЫ ПРОТОНОГРАФИЧЕСКОГО КОМПЛЕКСА

Использование: для настройки магнитооптической системы протонографического комплекса. Сущность изобретения заключается в том, что осуществляют пропускание пучка протонов через объектную плоскость магнитооптической системы, включающей магнитные линзы и коллиматор, с последующим получением с помощью системы регистрации изображений тест-объекта, помещенного в объектную плоскость, меняя величину тока магнитных линз для определения оптимального значения, при котором магнитная индукция магнитооптической системы согласована с энергией пучка протонов, при этом в качестве тест-объекта используют пластину, толщина которой выбрана из условия обеспечения потери энергии протонов при прохождении через нее, не превышающей разброс энергии протонов в падающем пучке, при этом пластину выполняют либо сплошной и ориентируют так, чтобы пучок проходил через ее грань, либо с одной или несколькими прямоугольными прорезями и ориентируют так, чтобы пучок проходил через прорези, изменение величины тока линз производят ...

СИСТЕМА ПОШАГОВОГО КОНТРОЛЯ КОЛЬЦЕВОГО СВАРНОГО ШВА ТРУБОПРОВОДА

Использование: для контроля кольцевого шва трубопровода. Сущность изобретения заключается в том, что система пошагового контроля кольцевого шва трубопровода включает направляющий пояс, на котором с возможностью передвижения вдоль пояса установлены каретка с источником рентгеновского излучения и каретка с детектором рентгеновского излучения, каждая из кареток снабжена двигателем, обеспечивающим передвижение каретки, блоком управления движением каретки и блоком передачи сигналов между каретками, датчиком перемещения и датчиком угла наклона к горизонту, кроме того каретка детектора рентгеновского излучения включает блок хранения радиографических снимков участков кольцевого шва. Технический результат: упрощение конструкции и повышение надежности работы системы контроля. 6 з.п. ф-лы, 6 ил.

МОБИЛЬНЫЙ ИНСПЕКЦИОННО-ДОСМОТРОВЫЙ КОМПЛЕКС

Использование: для бесконтактного рентгеновского досмотра крупногабаритных объектов. Сущность изобретения заключается в том, что мобильный инспекционно-досмотровый комплекс содержит оборудование комплекса, установленное на автомобильном шасси, источник рентгеновского излучения (ИРИ), стрелу с детекторной линейкой, образующие в рабочем положении комплекса П-образные «ворота», в створе которых располагается крупногабаритный объект контроля, поворотный механизм ИРИ и «ворот», пневматические рессоры и амортизаторы автомобильного шасси по количеству колес в автомобильном тягаче, а также стабилизирующий механизм, состоящий из неподвижной и подвижной (качающейся) платформ, причем неподвижная платформа жестко связана с автомобильным шасси, с подвижной платформой жестко связан поворотный механизм ИРИ и «ворот», а между платформами по их периметру установлены дополнительные пневматические стойки, количество которых зависит от формы платформ, причем подвижная платформа при необходимости может фиксироваться ...

СПОСОБ РАЗМЕЩЕНИЯ ЦИФРОВОЙ МАРКИРОВКИ НА РАДИОГРАФИЧЕСКОМ ИЗОБРАЖЕНИИ ПРИ ОСУЩЕСТВЛЕНИИ ПРОМЫШЛЕННОГО РАДИОГРАФИЧЕСКОГО КОНТРОЛЯ

Использование: для размещения цифровой маркировки на радиографическом изображении сварного соединения при осуществлении промышленного радиографического контроля. Сущность изобретения заключается в том, что в устройстве управления к полученному детектором радиографическому изображению сварного соединения применяют метод бинаризации изображения, в результате которого получают бинаризованное радиографическое изображение, на котором затем определяют область размещения цифровой маркировки, при котором: учитывают, что область размещения цифровой маркировки должна определяться на фоне бинаризированного радиографического изображения, должна быть такого же размера, что и размещаемая цифровая маркировка, и не должна пересекаться с другими объектами, расположенными на радиографическом изображении; определяют количество пикселей на бинаризированном радиографическом изображении, которые идентифицируются как фон изображения; осуществляют обработку бинаризированного радиографического изображения путем ...

УСТРОЙСТВО ДЛЯ ИССЛЕДОВАНИЯ ЗАПОЛНЕННЫХ СОСУДОВ С ПОМОЩЬЮ НАКЛОННО ИЗЛУЧЕННЫХ РЕНТГЕНОВСКИХ ЛУЧЕЙ

... 1. Устройство для исследования заполненных сосудов (10) на наличие инородных тел (26), таких как осколки стекла, с транспортирующим устройством (16) для транспортировки сосудов (10) по отдельности последовательно друг за другом в один ряд в плоскости транспортировки, с источником (18) рентгеновских лучей для испускания рентгеновских лучей в заданном направлении и с устройством (20, 22) для приема рентгеновских лучей (24) после прохождения через сосуды (10), отличающееся тем, что плоскость транспортировки определяется верхней стороной транспортирующего устройства (16) и расположена горизонтально, и направление, в котором рентгеновские лучи (24) испускаются из источника (18) рентгеновских лучей, наклонено в диапазоне углов от 10 до 60°к плоскости транспортировки. 2. Устройство по п.1, в котором предусмотрено два источника (18) рентгеновских лучей, причем первый источник рентгеновских лучей размещен выше плоскости транспортировки, и его рентгеновские лучи (24) направлены сверху на плоскость ...

УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ МНОГОФАЗНОЙ ФЛЮИДНОЙ СМЕСИ

... 1. Устройство (1) для измерения скорости потока многофазной флюидной смеси, содержащее:- устройство (2) излучения, выполненное с возможностью генерации последовательности импульсов фотонов для облучения секции потока смеси, причем фотоны испускаются с по меньшей мере первым и вторым энергетическим уровнем,- устройство (4) детектирования, выполненное с возможностью детектирования фотонов, которые прошли секцию потока в различные интервалы времени, чтобы генерировать первое изображение пространственного распределения детектированных фотонов первого энергетического уровня и второе изображение пространственного распределения детектированных фотонов второго энергетического уровня,- устройство (5) анализа, выполненное с возможностью определения скорости потока одной или более фаз смеси на основе временной последовательности первого и второго изображений пространственных распределений, отличающееся тем, что- устройство (2) излучения выполнено с возможностью генерации одиночных импульсов, включающих ...

СПОСОБ АНАЛИЗА УСТРОЙСТВА

... 1. Способ, в котором выполняют анализ образца электронного устройства посредством замера некоторого свойства в нескольких точках указанного образца, и подвергают, до выполнения анализа, указанные несколько точек, по меньшей мере, одной обработке, увеличивающей различие указанного свойства, по меньшей мере, в двух элементах образца электронного устройства.2. Способ по п.1, отличающийся тем, что указанное свойство выбирают из группы, включающей механическое свойство, физическое свойство, химическое свойство и электрическое свойство.3. Способ по п.1, отличающийся тем, что анализ выполняют по методике, выбранной из группы, включающей растровую электронную микроскопию, просвечивающую электронную микроскопию и атомно-силовую микроскопию.4. Способ по п.1, отличающийся тем, что, по меньшей мере, два элемента представляют собой, по меньшей мере, два слоя пакета слоев.5. Способ по п.4, отличающийся тем, что электронное устройство включает пакет слоев, а указанная обработка включает резку пакета слоев ...

СИСТЕМА ДЛЯ ДОСМОТРА ТЕЛА ЧЕЛОВЕКА В ЦЕЛЯХ БЕЗОПАСНОСТИ И СПОСОБ ДОСМОТРА ТЕЛА ЧЕЛОВЕКА В ЦЕЛЯХ БЕЗОПАСНОСТИ, ОСУЩЕСТВЛЯЕМЫЙ ПОСРЕДСТСТВОМ ЭТОЙ СИСТЕМЫ

Использование: для досмотра тела человека. Сущность изобретения заключается в том, что система для досмотра тела человека в целях безопасности включает в себя: источник рентгеновских лучей, выполненный с возможностью подачи рентгеновского излучения для сканирования тела подлежащего досмотру человека; детектор, выполненный с возможностью приема рентгеновского излучения, пропускаемого через тело подлежащего досмотру человека, и генерирования сигнала пропускания; датчик, выполненный с возможностью получения веса тела подлежащего досмотру человека; несущее устройство, выполненное с возможностью нести и перемещать тело подлежащего досмотру человека в некотором направлении, так что тело человека сканируется; и контроллер, выполненный с возможностью приема сигнала из датчика, определения веса тела подлежащего досмотру человека на основании сигнала из датчика и определения и управления напряжением или током, приложенным к источнику рентгеновских лучей, и скоростью перемещения несущего устройства ...

ЭТАЛОННЫЙ ОБЪЕКТ ДЛЯ РЕНТГЕНОДЕНСИТОМЕТРИИ

Использование: для рентгеноденситометрии. Сущность изобретения заключается в том, что эталонный объект для рентгеноденситометрии содержит набор элементов различной калибровочной степени ослабления рентгеновского излучения, причем элементы эталонного объекта выполнены в виде металлических оболочек сферической формы, имеющих одинаковый наружный диаметр и различную толщину, а также центрально расположенную полость, которая заполнена однородной смесью из металлического порошка того же металла, что и металл оболочек, и рентгенопрозрачного наполнителя, при этом калибровочную степень ослабления рентгеновского излучения каждого элемента эталонного объекта определяют через эквивалентную толщину этого элемента, которую вычисляют с помощью заданных формул. Технический результат: обеспечение независимости калибровочной степени ослабления от угла падения луча рентгеновского излучения и повышение равномерности распределения ослабляющих свойств элементов по их сечению. 4 табл., 4 ил.

УСТРОЙСТВО ВИЗУАЛИЗАЦИИ ИЗЛУЧЕНИЯ И СИСТЕМА ОБНАРУЖЕНИЯ ИЗЛУЧЕНИЯ

СИСТЕМА ФОРМИРОВАНИЯ ИЗОБРАЖЕНИЯ ИЗЛУЧЕНИЯ

... 1. Система формирования изображения излучения, содержащая: ! акселератор (ускоритель) для генерирования лучей, проходящих через инспектируемые объекты, и синхронного сигнала; ! детектор для обнаружения лучей; ! подключенный к детектору преобразователь данных для преобразования обнаруженного детектором сигнала в цифровой вид, а затем буферизацию цифровых данных в сигнальном процессоре; ! сигнальный процессор для генерирования сигнала выбора в зависимости от синхронного сигнала, таким образом, чтобы выбрать один детектор для обнаружения лучей; и взаимосвязанный с ним связной контроллер, подключенный к процессору обработки изображений, приспособленный для передачи в него цифровых данных, буферизированных в сигнальном процессоре. ! 2. Система по п.1, отличающаяся тем, что преобразователь данных и сигнальный процессор соединены через параллельные шины. ! 3. Система по п.1, отличающаяся тем, что сигнальный процессор и связной контроллер соединены через параллельные шины. ! 4. Система по п.1, ...

ГИДРОДИНАМИЧЕСКИЙ ПОДШИПНИК, РЕНТГЕНОВСКАЯ ТРУБКА, РЕНТГЕНОВСКАЯ СИСТЕМА И СПОСОБ ИЗГОТОВЛЕНИЯ ГИДРОДИНАМИЧЕСКОГО ПОДШИПНИКА

СИСТЕМА ПРОВЕРКИ ТРЕЙЛЕРОВ

... 1. Система проверки трейлеров, содержащая защитную стенку, формирующую досмотровый туннель для прохода трейлера, систему получения радиационных изображений, обеспечивающую досмотр трейлера, проходящего через досмотровый туннель, и тяговое устройство (7) для буксировки трейлера. ! 2. Система проверки трейлеров по п.1, отличающаяся тем, что она содержит дополнительно камеру (1) ускорителя для установки ускорителя системы получения радиационных изображений, кронштейн (3) горизонтального детектора, а также кронштейн (6) вертикального детектора для установки модулей (4) детекторов системы получения радиационных изображений, причем один конец кронштейна (3) горизонтального детектора соединен с верхней частью камеры (1) ускорителя, а другой его конец соединен с верхним концом кронштейна (6) вертикального детектора. ! 3. Система проверки трейлеров по п.1, отличающаяся тем, что проем в кронштейне (3) горизонтального детектора, через который возможен доступ к модулям (4) детектора, открывается вниз ...

ФОРМИРОВАНИЕ ДИФФЕРЕНЦИАЛЬНЫХ ФАЗОВО-КОНТРАСТНЫХ ИЗОБРАЖЕНИЙ С ПЛАСТИНАМИ ФОКУСИРУЮЩИХ СТРУКТУР ПРЕЛОМЛЕНИЯ

... 1. Устройство (28) преломления для формирования рентгеновских дифференциальных фазово-контрастных изображений, содержащее структуру (41) преломления с:- первым множеством (44) первых участков (46); и- вторым множеством (48) вторых участков (50);при этом первые участки обеспечены для изменения фазы и/или амплитуды рентгеновского излучения; и при этом вторые участки прозрачны для рентгеновского излучения;при этом первые и вторые участки скомпонованы периодически, так что в поперечном сечении структура преломления обеспечена профилем, выполненным так, что вторые участки обеспечены в форме пазообразных выемок (54), сформированных между первыми участками, обеспеченными в качестве выступов (56); при этом соседние выступы формируют соответствующие боковые поверхности (58), частично огораживающие соответствующие выемки, расположенные в промежутке;при этом боковые поверхности каждой выемки имеют меняющееся расстояние (60) по глубине (62) выемки.2. Устройство преломления по п.1, в котором каждый ...

АНОД И ГЕНЕРИРУЮЩАЯ РЕНТГЕНОВСКОЕ ИЗЛУЧЕНИЕ ТРУБКА, ГЕНЕРИРУЮЩИЙ РЕНТГЕНОВСКОЕ ИЗЛУЧЕНИЕ АППАРАТ И ИСПОЛЬЗУЮЩАЯ ИХ РЕНТГЕНОГРАФИЧЕСКАЯ СИСТЕМА

СПОСОБ СКАНИРОВАНИЯ, СИСТЕМА СКАНИРОВАНИЯ И КОНТРОЛЛЕР РАДИАЦИОННОГО СКАНИРОВАНИЯ

УСТРОЙСТВО И СПОСОБ ДЛЯ ИЗМЕРЕНИЯ РАСХОДА И СОСТАВА МНОГОФАЗНОЙ ФЛЮИДНОЙ СМЕСИ

... 1. Устройство (1) для измерения расхода и/или состава многофазной флюидной смеси, содержащее:- средство (2) излучения, выполненное с возможностью генерации импульсного пучка фотонов для облучения флюидной смеси пространственно вдоль участка (19) потока смеси/средство (6) управления, выполненное с возможностью приложения напряжения к средству (2) излучения;- средство (3) обнаружения, пространственно сконфигурированное для приема фотонов, исходящих от участка (19) потока смеси, чтобы сформировать изображения пространственного распределения принятых фотонов для каждой из точек во времени; и- средство (4) анализа, выполненное с возможностью определения расхода одной или более фаз смеси и/или состава смеси на основе временной последовательности изображений пространственного распределения принятых фотонов, отличающееся тем, чтонапряжение, прикладываемое к средству (2) излучения, является предопределенным, зависимым от времени напряжением, имеющим любой ход изменения между начальным напряжением ...

ПЕРЕМЕЩЕНИЕ ФОРМИРОВАТЕЛЯ ПРОФИЛЯ ПРОПУСКАНИЯ РЕНТГЕНОВСКОГО ПУЧКА

СПОСОБ РАДИОГРАФИЧЕСКОГО КОНТРОЛЯ ШВОВ ТРУБОПРОВОДА

РЕЗАНИЕ/РАЗДЕЛЕНИЕ НА ЧАСТИ С ИСПОЛЬЗОВАНИЕМ КОМБИНИРОВАННОГО РЕНТГЕНОВСКОГО И ОПТИЧЕСКОГО СКАНИРОВАНИЯ

СИСТЕМА И СПОСОБ ДОСМОТРА ТРАНСПОРТНЫХ СРЕДСТВ С ИСПОЛЬЗОВАНИЕМ ИЗВЛЕЧЕНИЯ ЭТАЛОННЫХ ИЗОБРАЖЕНИЙ ТРАНСПОРТНЫХ СРЕДСТВ И ФУНКЦИИ СРАВНЕНИЯ

ПОЛУЧЕНИЕ ИЗОБРАЖЕНИЙ С ПОМОЩЬЮ РАМЫ С-ТИПА С УВЕЛИЧЕННЫМ ОКНОМ УГЛОВОГО СТРОБИРОВАНИЯ

... 1. Устройство (12) рамы C-типа для рентгеновской визуализации, содержащее:раму (32) C-типа;подвижную опору (34) рамы C-типа;источник (36) рентгеновского излучения; идетектор (38) рентгеновского излучения;при этом рама C-типа содержит первый конец (40) и второй конец (42), при этом источник рентгеновского излучения установлен на первом конце, а детектор установлен на втором конце; при этом рама С-типа установлена на опоре рамы С-типа, так что источник рентгеновского излучения и детектор способны перемещаться вокруг исследуемого объекта (44) по соответствующим траекториям (46) источника и детектора, представляющим собой траектории двухосевого вращения, построенные на одновременном винтовом движении и движении крена рамы C-типа;при этом источник рентгеновского излучения содержит, по меньшей мере, первую фокальную точку (48) и вторую фокальную точку (50), разнесенные друг от друга на расстояние (52) между фокальными точками в направлении (54) смещения, при этом направление смещения совпадает ...

РЕНТГЕНОГРАФИЧЕСКАЯ УСТАНОВКА ДЛЯ ПРОВЕРКИ ГРУЗА И СООТВЕТСТВУЮЩИЙ СПОСОБ

... 1. Рентгенографическая установка (1) для проверки груза (11), причем установка (1) и груз (11) движутся относительно друг друга во время проверки, содержащая источник (2) излучения импульсов (16) расходящегося рентгеновского излучения; коллиматор (4) источника (2) для ограничения падающего пучка (22) рентгеновского излучения, предназначенного для просвечивания участка груза (11), при этом последовательные импульсы (16) рентгеновского излучения просвечивают последовательные участки груза (11); и датчики (8) приема рентгеновского излучения, расположенные в области прохождения падающего пучка (22), для приема рентгеновского излучения после его прохождения через груз (11) и для генерирования необработанных сигналов изображения, предназначенных для преобразования в часть рентгеновского изображения, соответствующую указанному участку; отличающаяся тем, что дополнительно содержит контрольный блок (6), включающий в себя промежуточные датчики (28) рентгеновского излучения, каждый из которых по меньшей ...

VORRICHTUNG ZUR VOLLAUTOMATISCHEN RADIOGRAFISCHEN ROHRPRUEFUNG

Bilddetektor und Verfahren zum Betrieb eines Bilddetektors

Bilddetektor (2), insbesondere für Röntgenstrahlung, umfassend eine regelmäßige Anordnung von Bildpixeln (20), die mehrere Detektorpixel (22) aufweisen, dadurch gekennzeichnet, dass sich zumindest zwei der Detektorpixel (22) eines Bildpixels (20) hinsichtlich ihrer Sensitivität unterscheiden, so dass mit diesen unterschiedliche Teilbereiche eines Dynamikumfangs einer Strahlungsintensität messtechnisch erfasst werden,- wobei zur Manipulation der Sensitivität zumindest ein Detektorpixel (22) eines jeden mehrere Detektorpixel (22) aufweisenden Bildpixels (20) ein Filterelement (14) aufweist, welches nach dem Prinzip zweier hintereinander geschalteter Polarisationsfilter einen vorbestimmten Anteil des vom vorgeschalteten Szintillatorvolumen ausgesandten Lichtes herausfiltert,- oder wobei jedes Detektorpixel (22) einen lichtempfindlichen Halbleitersensor (16) umfasst und die sich hinsichtlich ihrer Sensitivität unterscheidenden Detektorpixel (22) unterschiedliche Halbleitersensoren (16) aufweisen ...

Röntgeneinrichtung

Röntgeneinrichtung zur Erfassung von Bilddaten eines Untersuchungsobjekts (2), die ein kreisbogenförmiges Trägerelement (3), das eine Röntgenquelle (4) mit einem fächerförmigen Abstrahlprofil (5) und einen Röntgendetektor (6) trägt, eine Rotationseinrichtung (7, 32) zur Rotation des Trägerelements (3) um ein Isozentrum (8), eine Verschiebeeinrichtung (12) zur Verschiebung des Isozentrums (8) bezüglich des Untersuchungsobjekts (2), eine Verarbeitungseinrichtung (16) zur Verarbeitung von Messdaten des Röntgendetektors (6) und eine Steuereinrichtung (15) zur Steuerung zumindest der Rotationseinrichtung (7, 32) und der Verschiebeeinrichtung (12) aufweist, wobei die Röntgeneinrichtung (1) einen ersten Betriebsmodus zur Aufnahme zweidimensionaler Bilddaten und einen zweiten Betriebsmodus zur Ermittlung dreidimensionaler Bilddaten durch Aufnahme mehrerer Projektionsbilder aufweist und die Steuereinrichtung (15) dazu eingerichtet ist, in dem ersten Betriebsmodus die Verschiebeeinrichtung (12) derart ...

Vorrichtung zur Durchführung biochemischer Analysen und Verfahren zu ihrer Herstellung

Mobiles Fahrzeugkontrollgerät

Mobiles Fahrzeugkontrollgerät einschließlich: einer beweglichen Einrichtung; einer Antriebseinheit zum Antreiben der beweglichen Einrichtung, um sie während der Abtastkontrolle zu verfahren; einer Strahlungsquelle, die auf der beweglichen Einrichtung angeordnet ist, um eine Strahlung auszusenden; eines drehbaren Tisches, der drehbar auf der beweglichen Einrichtung angeordnet ist; eines vertikalen Pfostens, der auf dem drehbaren Tisch an einem unteren Ende des vertikalen Pfostens so befestigt ist, dass er mit dem drehbaren Tisch drehbar ist; eines querliegenden Detektorträgers mit einer ersten Reihe von Detektoren, wobei der querliegende Detektorträger ein mit einem oberen Ende des Pfostens verbundenes Ende aufweist; eines vertikalen Detektorträgers mit einer zweiten Reihe von Detektoren, wobei der vertikale Detektorträger ein mit dem anderen Ende des querliegenden Detektorträgers verbundenes oberes Ende aufweist und sich vom anderen Ende des querliegenden Detektorträgers abwärts erstreckt ...

Technology quality determining device for use during examining and analyzing material, sets definite correlation between variables of defects of image quality indicator and points of coordinate system

The device sets a definite correlation between variables of defects of an image quality indicator and points of a coordinate system. The defects of the image quality indicator are marked by points in the coordinate system in curves of regularity, where the variables of the defects are same in coordinates of the points in the coordinate system. The coordinates of the points between surfaces and origins of the coordinate system are indicated for the variables of defects. An independent claim is also included for a method for determining quality of technology during examining and analyzing a material.

Strahlungsbild-Erzeugungssystem

Die vorliegende Erfindung betrifft ein Strahlungsbild-Erzeugungssystem, aufweisend: einen Beschleuniger zum Erzeugen von Strahlen, welche ein zu untersuchendes Objekt durchdringen, und eines Synchronisierungssignals; einen Detektor mit einer Mehrzahl von Detektormodulen, die dazu eingerichtet sind, Strahlen zu erfassen; einen Signalprozessor zum Erzeugen eines Auswahlsignals gemäß einem Synchronisierungssignal, um ein Detektormodul zum Erfassen der Strahlen auszuwählen; einen Datenumwandler zum Umwandeln des von dem Detektormodul erfassten Signals in digitale Daten, und anschließendem Puffern der digitalen Daten in dem Signalproessor; und eine Kommunikationssteuerung, welche mit einem Bildprozessor verbunden ist und dazu eingerichtet ist, die in dem Signalprozessor gepufferten digitalen Daten an den Bildprozessor zu übertragen. Das System gemäß der vorliegenden Erfindung ermöglicht bei großen Datenmengen Hochgeschwindigkeits-Datenerfassung, eine störfeste Datenerfassung und Datenumwandlung ...

MESSVERFAHREN UND -VORRICHTUNG UNTER VERWENDUNG HARTER ROENTGENSTRAHLEN.

Verfahren und Vorrichtung zur individuellen Anpassung von Parametern eines Röntgen-Flachdetektors

Die Erfindung betrifft ein Verfahren zur Bildgebung mittels einer Röntgenvorrichtung und eine Röntgenvorrichtung. Die Röntgenvorrichtung weist eine Röntgenquelle und einen ortsauflösenden Röntgendetektor mit einer ortsabhängig einstellbaren Empfindlichkeit auf. Das Verfahren weist die Schritte auf: Erfassen einer ersten Menge an ortsabhängigen Detektionswerten mittels des ortsauflösenden Röntgendetektors mit einer niedrigen Strahlungsmenge; Ermitteln einer zweiten Menge von zu erwartenden ortsabhängigen Detektionswerten bei einer Bestrahlung mit einer höheren Strahlungsmenge mittels der ersten Menge; Anpassen der ortsabhängigen Empfindlichkeit des ortsauflösenden Röntgendetektors in Abhängigkeit von den zu erwartenden Detektionswerten der zweiten Menge, sodass bei einer Bestrahlung des ortsauflösenden Röntgendetektors mit der höheren Strahlungsmenge die Detektionswerte einen Wertebereich zwischen einem vorbestimmten unterem Grenzwert und einem vorbestimmten oberen Grenzwert einnehmen und ...

Vorrichtung und Verfahren zum Abbilden eines Mehrfach-Partikelstrahls auf ein Substrat

Dentales Röntgengerät und damit verwendetes Signalbearbeitungsverfahren

Verfahren bzw. Röntgensystem zur Aufnahme von Röntgenabbildungen eines auf einem digitalen Röntgendetektor abgebildeten Untersuchungsobjektes

Zur schnellen Aufnahme und Auswertung von Röntgenabbildungen eines auf einem digitalen Röntgendetektor (1) abgebildeten Untersuchungsobjektes (3) wird aus der gesamten Bildfläche (2) des Röntgendetektors (1) zunächst eine für eine Röntgenuntersuchung des jeweiligen Untersuchungsobjektes notwendige Teil-Bildfläche (4) bezüglich Größe und Positionierung selbsttätig selektiert und werden anschließend nur die je Untersuchung erstellten Abbildungsdaten der Teil-Bildfläche (4) einer Auswertung und/oder Anzeige zugrunde gelegt.

Bestrahlungsabbildungssystem zur Inspektion eines Zugwaggons mit einem Abtastungsarm

Verfahren zum Steuern der Herstellung leitender Strukturen in einer dielektrischen Schicht eines Mikrostrukturbauteils

Verfahren zum Steuern der Herstellung leitender Strukturen in einer dielektrischen Schicht eines Mikrostrukturbauteiles mit den Schritten: Variieren eines oder mehrerer Prozessparameter für mehrere Testproben; Herstellen mehrerer Testproben eines Bereichs der leitenden Struktur, derart, dass der Bereich in der dielektrischen Schicht eingebettet bleibt, wobei die leitende Struktur entsprechend einer vordefinierten Herstellungssequenz für das Mikrostrukturbauteil hergestellt wird; Erhalten von Querschnittsanalysemessdaten der mehreren Testproben durch Elektronenmikroskopie und/oder Röntgenstrahlmikroskopie, während der Bereich der leitenden Struktur einer spezifizierten Belastungsbedingung ausgesetzt ist; Erstellen einer Korrelation zwischen dem mindestens einen Prozessparameter der Testproben und den Querschnittsanalysemessdaten; Herstellen einer weiteren Testprobe eines Bereichs einer leitenden Struktur, die in einem Dielektrikum eines Mikrostrukturbauelements eingebettet ist, derart, dass ...

X-Ray detection apparatus

X-ray inspection system

Radiation imaging system

Dual-energy detection apparatus, system and method

Removable self-centring magnetically clampable food-inspection pipe apparatus

METHOD AND APPARATUS FOR TRAVERSING RADIOGRAPHY

... 1392418 X-ray radiographic apparatus COMMISSARIAT A L'ENERGIE ATOMIQUE 14 June 1973 [15 June 1972] 28403/73 Heading H5R [Also in Division F1] In radiographic apparatus in which an X-ray source 20 is moved along rails 8 in a direction normal to the planar X-ray beam emitted by the source, so that the beam is longitudinally traversed along the stationary body 7 and produces an image thereof on the film 10, distortion of the image due to magnification in the transverse direction, by reason of the different distances of the object and the film from the X- ray source, and the absence of magnification in the longitudinal direction, is prevented by moving the film in the direction opposite to that of the movement of the source, and at a relative speed such as to produce a longitudinal magnification equal to that of the transverse magnification, i.e. with a relative speed given by the ratio, G, of the emitter-film distance to the emitter-object distance. As shown, movement of the X-ray tube along ...

Systems and methods for automated, rapid detectiion of high-atomic-number materials

Collimation and calibration integrative apparatus for container inspection system

Radiation imaging system

Shielding door for radiation inspection system

A shielding door device for a radiation Inspection system, comprising a door body 1, two guides 2 located on two opposite sides of the door body 1, a rack 3, a gear 4 and a motor 5. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings 7. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. Also included is a proximity switch 32 for opening and closing the door, a stopper 33 disposed in the frame for stopping the body. The door is made from lead or has a metal shielding layer within it. A further embodiment shows the door pivotally moved by a ball 27/roller arrangement.

Device and method for inspecting contraband in aviation cargo container

A NONPLANAR X-RAY TARGET ANODE FOR USE IN A LAMINOGRAPHY IMAGING SYSTEM

Improved irradiation chamber

... 1,108,709. Irradiation chamber. J. G. SCHNEEMAN. 29 July, 1966 [20 Oct., 1965], No. 34160/66. Heading H5R. An irradiation chamber has a surface on which specimens to be irradiated are placed, said surface being incorporated in a housing which encloses part of said surface and which supports a radiation source so as to be directed at the surface, said housing being fitted with a door which moves into and out of contact with the surface said door being pivoted so that on opening it functions as a shutter to stop the radiation beam reaching the surface and being shaped so that when open it renders the specimen arranged for irradiation, directly accessible from three sides. The edges of the door and the corresponding contact areas of the surface are adapted to provide a radiation seal around the enclosed area. Preferably, when fully open, the edge of the door defines 'a plane which intersects with the plane of the irradiation surface, and the door pivots about a line parallel to the line of ...

IMPROVEMENTS IN AND RELATING TO MATERIAL IDENTIFICATION USING X-RAYS

Radioscopic flexible pipe control device and method

Scanning method and apparatus

Image-based measurement

Compact mobile cargo scanning system

The present invention is a self-contained mobile inspection system and method and, more specifically, improved methods and systems for detecting materials concealed within a wide variety of receptacles and/or cargo containers. In particular, the present invention is an improved method and system with a novel boom structure that reduces the weight of the boom. The single, light-weight boom of the inspection system is relatively compact in a stowed configuration and has a low height and center of gravity lending to greater maneuverability.

Covert surveillance using multi-modality sensing

The present specification discloses a covert mobile inspection vehicle with a backscatter X-ray scanning system that has an X-ray source and detectors for obtaining a radiographic image of an object outside the vehicle. The systems preferably include at least one sensor for determining a distance from at least one of the detectors to points on the surface of the object being scanned, a processor for processing the obtained radiographic image by using the determined distance of the object to obtain an atomic number of each material contained in the object, and one or more sensors to obtain surveillance data from a predefined area surrounding the vehicle.

Covert surveillance using multi-modality sensing

X-ray inspection system and method for rotating a test object by means of such an x-ray inspection system

The invention relates to an x-ray inspection system comprising an x-ray source (1), a detector (3) and a rotary table (4), which is arranged therebetween and at which a test object (2) can be secured, wherein the rotary table (4) is arranged on a positioning table (6), wherein the positioning table (6) is movable between the x-ray source (1) and the detector (3) parallel to the XY-plane, wherein the XY-plane is perpendicular to the surface of the detector (3) extending parallel to the XZ-plane and wherein the rotary table (4) is rotatable about the Z-axis. Moreover, the invention relates to methods for rotating a test object (2) in an x-ray inspection system according to one of the preceding patent claims, wherein the test object (2) is secured to the rotary table (4), wherein the rotary table (4) is rotated about the Z-axis and, simultaneously, the positioning table (6) is displaced in the XY-plane, wherein the rotational angle φ of the rotary table (4) has the following relationships ...

Collimation and calibration integrative apparatus for container inspection system

Radiation imaging system

Method for performing material decoposition using a dual-energy X-Ray CT and corresponding Dual-energy X-Ray CT Apparatus

MOBILE X-RAY GENERATION APPARATUS AND MOBILE X-RAY IMAGING SYSTEM

A mobile X-ray generation apparatus includes an X-ray tube unit 1configured to generate an X-ray beam, a collimator 2 configured to shape the generated X-ray beam, a positioning member 4, 5 configured to arrange the X-ray tube unit and the collimator at respective specific positions, at least one switch 101, 102, 201, 202 provided on each of the X-ray tube unit and the collimator and configured to control an operation of the positioning member, and a control unit 303 configured to control the positioning member to perform a first operation when either of the at least one switch provided on each of the X-ray tube unit and the collimator is pressed and to perform a second operation different from the first operation when the first switch and a second switch different from the first switch are simultaneously pressed.

Solid state detector module structure and radiation imaging system

INSPECTION SYSTEMS

X-ray based system and methods for inspecting a person's shoes for aviation security threats

X-ray collimator

X-ray imaging

Cosmic ray based imaging of critical infrastructure

METHODS OF AND MEASURING DEVICES FOR TESTING THE SUPPORT AND/OR COVERING OF AN OIL OR GAS PIPELINE

Method and apparatus for radiographic inspection

... 915,391. Radiographic apparatus. ARVANETAKIS, K., and DONZIS, B. A. Dec. 2, 1958 [June 23, 1958; Sept. 15, 1958], No. 38778/58. Class 98 (1). [Also in Group XXIV] A method of making a radiographic film record comprises the steps of moving the ray source relatively to a body which is subjected to a parallel-sided beam of rays from the source, and locating a film at the side of the body remote from the source, the beam passing through the body to the film in a fixed direction during said relative movement. In the form shown, the ray source is an X-ray tube B supported in a travelling carriage A constructed as a framework. Cylindrical lead shields 86, 87 surround the tube to confine the X-rays to a narrow beam. A further removable shield 89 cuts off the lower half of this beam if required. The carriage A has four support arms 37 terminating in wheels 40 which run along the inner surface of pipe P and so support one end of the carriage in position inside the pipe. The other end of the carriage ...

Improvements in radiography

A method of examining a diamond or other solid object comprises placing the object in a medium such that the total X-ray absorption of the medium and the object is approximately uniform, exposing the object to X-rays and, optionally, recording the pattern of X-rays transmitted. By this means differences in thickness of the object are compensated for. Suitable media for use with diamonds are aqueous solutions of barium chloride or lead nitrate; or organic liquids.

A screening system

A screening system includes a detection apparatus (100, fig.1), a rotatable platform 310 to receive the item, and a mechanical arrangement 320, 330. The detection apparatus has an emitter portion to generate a primary beam (130, fig.1) of ionising radiation, such as x-rays or gamma rays, and a detector portion to detect an absorption signal and at least one of a diffraction signal and a scattering signal. The mechanical arrangement is adapted to translate the detection apparatus along a translation axis 315 to scan the item with the primary beam. The detection portion may be formed of an ionising radiation absorption sensor 140, a collimator 150, and an energy resolving detector 160 for detecting the energy of scattered or diffracted photons in the sample (180, fig.1). The system may comprise a data analyser 350 which may form a first absorption image and a second diffraction or scattering image. A tomosynthesis reconstruction algorithm may be used. Image segmentation may be performed to ...

Polychromic digital radiography detector with patterned mask for single-exposure energy-sensitive-x-ray imaging

Nonintrusive inspection method and system of aircrafts

Nonintrusive inspection method and system of aircrafts

Polychromic digital radiography detector with patterned mask for single-exposure energy-sensitive-x-ray imaging

ABBILDUNGSSYSTEM

VERFAHREN ZUR ERMITTLUNG EINES HÄRTEPROFILS IN EINSATZGEHÄRTETEM STAHL

Space-based CT scan system toward an astronomical object

A CT scan system toward an astronomical object, including: a first satellite means for equipping a first satellite with an emitting means, said emitting means being for emitting super penetrating elementary particles; a second satellite means for equipping a second satellite with a detection means, said detection means being for detecting said super penetrating elementary particles; a super penetrating elementary particle measurement means for measuring the super penetrating elementary particles that are emitted from said emitting means, transmitted through said astronomical object, and detected by said detection means on said second satellite, said second satellite being, at the time of a measurement, opposite to said first satellite with respect to said astronomical object in between; and a CT reconstructing means for reconstructing a CT scan image regarding internal structure of said astronomical object based on the data obtained from said super penetrating elementary particle measurement means iterated.

Carcass cutting methods and apparatus

Methods of automated meat processing including an end to end processing method in which carcasses are cut into major portions at a first robotic processing station and into minor portions at robotic processing sub-stations. In one processing method carcass portions are acquired by a robotic arm, imaged and then cuts performed without transfer. In another a first series of processing steps are performed by rotating carcass portions through a plurality of processing stations and a second series of processing steps are performed as carcass portions are advanced along a linear conveyor. In another processing method a plurality of clamps are employed to stabalise a saddle section during a flap cut. In another processing method split pins are used to position a saddle section for a vertebrae cut. In another method a spinal cord is removed by applying a pressurised fluid stream against one end of the spinal cord and applying suction at the other end of the spinal cord.

Method and apparatus for assessing the threat status of luggage

A method and apparatus for assessing a threat status of a piece of luggage. The method comprises the steps of scanning the piece of luggage with penetrating radiation to generate image data and processing the image data with a computing device to identify one or more objects represented by the image data. The method also includes further processing the image data to compensate the image data for interaction between the object and the penetrating radiation to produce compensated image data and then determine the threat status of the piece of luggage.

X-ray fluoroscopic radiographing apparatus and method

An X-ray fluoroscopic radiographing apparatus comprises a display unit that processes a received X-ray moving image and instantaneously displays the moving image; a storing unit that stores the received moving image as a non-processed raw image; an instructing unit that instructs the raw image to be referred to from the stored raw images; a second display unit that processes the instructed raw image and displays the processed raw image; a changing unit that changes the image process in the second display unit; a second storing unit that stores image process information obtained by the changing unit in association with the instructed raw image; a second instructing unit that instructs the raw image to be transferred from the stored raw images; and a transferring unit that executes the image process associated by the second storing unit to the instructed raw image and transfers the processed raw image to a destination.

Method for operating a battery

The task at hand is achieved by a method for operating a battery having at least one galvanic cell. The at least one galvanic cell is subjected at least temporally to an examination, particularly at a predetermined operating state of the battery or the galvanic cell.

Computer tomographic workpiece measuring device

A marine device has a floating buoy containing electronics, a submerged payload containing electrical devices and electronics, a power source and a mooring line. At least a part of the power source is submerged and electrically connected to at least one of the submerged payload and the floating buoy, and the mooring line extends between the buoy and at least one of the power source submerged part, the submerged payload and a submerged anchor having a mass allowing it to stay under the water surface.

Grid for radiography and repairing method thereof, and radiation imaging system

In a second grid, X-ray absorbing portions and X-ray transparent portions extending in a Y direction are alternately arranged in an X direction. After the manufacture of the second grid, a defective portion is detected in the second grid. A rectangular area to be cut out is set along the X and Y directions so as to enclose this defective portion. By cutting out the rectangular area, a cutout is formed. A micro grid, which is smaller than the cutout, is fitted into the cutout such that two adjoining sides of the micro grid are in contact with two adjoining sides of the cutout. A gap left between an outline of the cutout and the micro grid is filled with Sn—Pb as an X-ray absorbing material.

Methods and apparatus for displaying images

In one aspect, a method of displaying data is provided. The method comprises obtaining projection data of an object by exposing an object to radiation at a plurality of view angles and detecting at least some of the radiation exiting the object to form the projection data, operating a computer to reconstruct the projection data at a reconstruction resolution to form image data comprising a plurality of voxels representing locations within the object, each of the plurality of voxels being assigned an associated intensity indicative of a density of the subject matter at the respective location, determining a maximum resolution for display, above which variation in intensity between adjacent voxels is not supported by information in the projection data, the maximum resolution being less than the reconstruction resolution, and displaying the image data at or below the maximum resolution.

Apparatus and a method of determining the proportions of different powders in a powder

A method of determining the proportions of different powders in a powder comprises obtaining a sample of a powder, adding and mixing the sample into a molten material and freezing the mixture of powder and molten material to form a block. Computed tomography is performed on the block to produce a three-dimensional image of the block, the three-dimensional image of the block comprises a first shade, a second and a third shade corresponding to the material, a first powder particle and a sec and powder particle. The three-dimensional image of the block is analysed to count the number of regions exhibiting the second shade and the third shade corresponding to the number of first powder particles and second powder particles respectively. The fraction of second particles in the powder is determined by dividing the number of second powder particles by the sum of the number of first powder particles and the number of second powder particles.

X-ray imaging system having imrpoved weather resistance

It is an object of the present application to provide a radiation inspection system, such as an X-ray system, that can operate efficiently even in inclement weather conditions while being highly mobile. Thus the improved inspection system of the present application is capable of operating in high temperature and corrosive environments and is designed to withstand moisture, dirt and/or dust from the articles of inspection as well.

Characteristic x-ray computed laminography system for home made explosives (hme) detection

A homemade explosives (HME) detection system provides a coded-source, x-ray computed laminography imaging system which detects material composition by the ratio of the transmitted characteristic X-rays within a coded x-ray beam. Motion-free 3-Dimensional geometrical details are obtained through computed laminography imaging techniques.

X-ray imaging apparatus and x-ray imaging method

An X-ray imaging apparatus acquiring a differential phase contrast image of a test object without using a light-shielding mask for X-ray. The apparatus includes an X-ray source, a splitting element configured to spatially divide an X-ray emitted from an X-ray source and a scintillator configured to emit light when a divided X-ray beam divided at the splitting element is incident on the scintillator. The apparatus also includes a light-transmission limiting unit configured to limit transmitting amount of the light emitted from the scintillator and a plurality of light detectors each configured to detect the amount of light that has transmitted through the light-transmission limiting unit. The light-transmission limiting unit is configured such that a light intensity detected at each of the light detectors changes in response to a change in an incident position of the X-ray beam.

Computed Tomography Imaging Process And System

A computed tomography imaging process, including: accessing projection data representing two-dimensional projection images of an object acquired using a misaligned tomographic imaging apparatus; and processing the projection data to generate misalignment data representing one or more values that quantify respective misalignments of the tomographic imaging apparatus.

System for non-destructive testing and method for processing data generated therein

Systems and methods are described that reduce the amount of data that is transferred among the components of the system. In one embodiment, the testing system comprises a scanner device such as a computed-tomography (CT) scanner that generates a volumetric representation of a part-under-inspection. The testing system is further configured to identify a region of interest in the volumetric representation, wherein the region of interest may correspond to an area of the part-under-inspection where a defect or flaw may form. The testing system may further format the data of the volumetric representation so the resulting formatted volumetric representation comprises less data than the original volumetric representation.

Neutral Particle Microscope

The invention includes a source stream of neutral particles (neutral atoms and neutral molecules, but not neutrons) in free molecular flow, a beam forming element disposed within the source stream having at least one small aperture located proximal to the sample allowing part of the source stream to pass through the aperture as a beam of neutral particles directed at the sample for revealing the sample, a control positioner for scanning the beam of neutral particles over or through portions of said sample surface, optionally one or more detector nozzles having an inlet positioned to collect neutral particles proceeding from or through the sample surface in free molecular flow, at least one detector, the detector arranged to sense neutral particles proceeding from the sample, and a processor connected to the detector and control positioner for generating an image of said sample.

X-Ray Scanners

The present application discloses an X-ray scanner having an X-ray source arranged to emit X-rays from source points through an imaging volume. The scanner may further include an array of X-ray detectors which may be arranged around the imaging volume and may be arranged to output detector signals in response to the detection of X-rays. The scanner may further include a conveyor arranged to convey an object through the imaging volume in a scan direction, and may also include at least one processor arranged to process the detector signals to produce an image data set defining an image of the object. The image may have a resolution in the scan direction that is at least 90 % as high as in one direction, and in some cases two directions, orthogonal to the scan direction.

Differential phase contrast x-ray imaging system and components

A differential phase contrast X-ray imaging system includes an X-ray illumination system, a beam splitter arranged in an optical path of the X-ray illumination system, and a detection system arranged in an optical path to detect X-rays after passing through the beam splitter.

X-ray imaging apparatus

To provide an X-ray imaging apparatus capable of easily adjusting the sensitivity or capable of easily extracting the amount of refraction of X-rays. An X-ray imaging apparatus irradiating an object to be measured with an X-ray beam from an X-ray source that generates X-rays of a first energy and X-rays of a second energy different from the first energy to measure an image of the object to be measured includes an attenuator and a detector. The attenuator attenuates the X-ray beam transmitted through the object to be measured and is configured so as to vary the amount of attenuation of the X-rays depending on a position on which the X-ray beam is incident. The detector detects the X-ray beam transmitted through the attenuator and is configured so as to detect the X-rays of the first energy and the second energy.

Method for Utilizing Soft X-Ray Microimaging for Cancer Cell Image Recognition

This invention discloses a method for utilizing soft X-ray microimaging for cancer cell image recognition. The method comprises the steps of 1) sample preparation; 2) pathological examination; 3) soft X-ray imaging; and 4) analysis and recognition. This invention applies soft X-ray microimaging for cancer cell image recognition, successfully obtains the soft X-ray microscopic image of a cancer cell by scanning the cancer cell with synchrotron radiation soft X-ray microimaging, provides recognition steps and experimental data, and establishes a method for utilizing soft X-ray microimaging for cancer cell image recognition. This invention creates a method for analyzing soft X-ray microscopic images, provides a novel synchrotron radiation soft X-ray pathological diagnosis method for cancer diagnosis, and provides an extremely valuable basis for the creation and clinical application of soft X-ray pathology in the 21century. 1. A method for utilizing soft X-ray microimaging for cancer cell image recognition , comprising the steps of: sample preparation; pathological examination; soft X-ray imaging; and analysis and recognition.2. The method for utilizing soft X-ray microimaging for cancer cell image recognition according to claim 1 , wherein the sample preparation comprises the following steps:cutting a pathological tissue cell sample into ultra-thin sliced sample with 2-3 nm thickness;placing the ultra-thin sliced sample onto the surface of water in a water tank with 38° C.-40° C. to enable the samples to quickly and uniformly unfold into a planar shape on the water surface;taking out the ultra-thin sliced sample floating and flattening in the water tank with an electron microscope copper grid,and then placing the grid on a piece of absorbent paper for dehydration and drying.3. The method for utilizing soft X-ray microimaging for cancer cell image recognition according to claim 2 , wherein the pathological examination comprises the following steps: the electron ...

RADIATION IMAGING APPARATUS, RADIATION IMAGING METHOD, BODY MOVEMENT MEASURING METHOD, AND BODY MOVEMENT MEASURING PROGRAM

A radiation detector is moved along a predetermined axis of movement. Radiation which has passed through a subject is irradiated onto the radiation detector each time the position of the radiation detector changes due to the movement. Signals are read out from the radiation detector each time that radiation is irradiated, to obtain a plurality of radiation images of the subject. Mechanical errors of the radiation detector are detected at each imaging operation, and mechanical error corrected images in which the mechanical errors are corrected are obtained. Amounts of shift of the subject among the mechanical error corrected images are detected, and amounts of movement of the subject during imaging operations are detected based on the amounts of shift. 117-. (canceled)18. A radiation imaging apparatus , comprising:an imaging means for irradiating radiation;a radiation detector for detecting the radiation; anda moving means for moving the imaging means and/or the radiation detector;the radiation imaging apparatus being configured to perform a plurality of imaging operations of a subject by moving the imaging means and/or the radiation detector; and the radiation imaging apparatus further comprising:image obtaining means for reading out signals from the radiation detector each time that an imaging operation is performed, to obtain a plurality of images of the subject;a mechanical error detecting means for detecting mechanical errors of the imaging means and/or the radiation detector; andbody movement obtaining means for obtaining the amounts of body movement of the subject during the imaging operations, based on the mechanical errors obtained by the mechanical error detecting means.19. A radiation imaging apparatus as defined in claim 18 , wherein:the radiation imaging apparatus moves the radiation detector, irradiates radiation which has passed through the subject onto the radiation detector each time that the position of the radiation detector changes by being moved, ...

Method and system for performing low-dose ct imaging

A method includes generating higher resolution image data based on undersampled higher resolution projection data and incomplete lower resolution projection data. The undersampled higher resolution projection data and the incomplete lower resolution projection data are acquired during different acquisition intervals of the same scan. A system includes a radiation source configured to alternately modulate emission radiation flux between higher and lower fluxes during different integration periods of a scan, a detector array configured to alternately switch detector pixel multiplexing between higher and lower resolutions in coordination with modulation of the fluxes, and a reconstructor configured to reconstruct higher resolution image data based on projection data corresponding to undersampled higher resolution projection data and incomplete lower resolution projection data.

X-RAY CT APPARATUS

According to one embodiment, an X-ray CT apparatus includes a body thickness information acquiring unit, a threshold determining unit and an image generating unit. The body thickness information acquiring unit acquires information of a body thickness of an object. The threshold determining unit determines a threshold of an exposure dose according to the body thickness of the object. The image generating unit generates an image indicating a relationship between the body thickness of the object and the threshold and displays a generated image on a display unit. 1. An X-ray CT apparatus comprising:a body thickness information acquiring unit configured to acquire information of a body thickness of an object;a threshold determining unit configured to determine a threshold of an exposure dose according to the body thickness of the object; andan image generating unit configured to generate an image indicating a relationship between the body thickness of the object and the threshold and display a generated image on a display unit.2. The X-ray CT apparatus according to claim 1 , further comprisinga scanogram generating unit configured to generate a scanogram of the object,wherein the body thickness information acquiring unit acquires a relationship between an area on a couch top and the body thickness of the object based on a scanogram of the object,wherein the threshold determining unit determines the threshold of the exposure dose according to the body thickness of the object and determines a relationship between the area on the couch top and the threshold according to the body thickness of the object, andwherein the image generating unit superimposes an image indicating the relationship between the area of the couch top and the threshold on the scanogram and displays the scanogram on the display unit.3. The X-ray CT apparatus according to claim 2 , further comprising:a plan acquiring unit configured to acquire information of a scan plan in which at least a relationship ...

Method for core thermal conductivity determination

A method for core sample effective thermal conductivity provides for scanning a core sample by X-ray micro-computed tomography scanner and transferring a three dimensional scan image to an image analysis computer for processing. Then a layer thickness to be analyzed is set and a layer with maximum thermal resistance is defined within the image. The value of core effective thermal conductivity is defined by the allocated layer.

X RAY SOURCE GRATING STEPPING IMAGING SYSTEM AND IMAGE METHOD

An X-ray imaging system comprising: an X-ray source, a source grating, a fixed grating module and an X-ray detector, which are successively positioned in the propagation direction of X-ray; an object to be detected is positioned between the source grating and the fixed gating module; said source grating can perform stepping movement in a direction perpendicular to the optical path and grating stripes; wherein the system further comprises a computer workstation for controlling said X-ray source, source grating and X-ray detector so as to perform the following processes: the source grating performs stepping movement in at least one period thereof; at each stepping step, the X-ray source emits X-ray to the object to be detected, and the detector receives the X-ray at the same time; wherein after at least one period of stepping and data acquisition, the light intensity of X-ray at each pixel point on the detector is represented as a light intensity curve; the light intensity curve at each pixel point on the detector is compared with a light intensity curve in the absence of the object to be detected, a pixel value of each pixel point is calculated from change in said light intensity curve; an image of the detected object is reconstructed according to the calculated pixel value. 10. An X-ray imaging system for imaging an object using X-ray , said system comprises: an X-ray source (S) , a source grating (G) , a fixed grating module (P) and an X-ray detector (T) , which are successively positioned in the propagation direction of the X-ray; an object to be detected is positioned between the source grating and the fixed grating module;said source grating can perform stepping movement in a direction perpendicular to the optical path direction and grating stripes;wherein said system further comprises a computer workstation for controlling said X-ray source, source grating, and X-ray detector to accomplish the following processes:said source grating performs stepping movement ...

X-RAY CT APPARATUS AND CONTROL METHOD THEREOF

In order to generate an X-ray CT image with optimal quality for each part and each region of an object when scanning the object across a plurality of parts using a plane detector, there is provided an X-ray CT apparatus including smoothing means and filtering means for generating a convolution filter on the basis of feature amounts of projection data output from the X-ray detector and superimposing the convolution filter on the projection data, reconstruction means for generating an X-ray CT image of the object by performing a reconstruction operation on the projection data on which the convolution filter is superimposed, and image display means for displaying the image generated by the reconstruction means 1. An X-ray CT apparatus comprising:an X-ray source that generates X-rays;an X-ray detector that is disposed opposite the X-ray source and detects the X-ray transmitted through an object to output projection data of the object;rotation means configured to rotate the X-ray source and the X-ray detector in a state where the X-ray source and the X-ray detector are disposed opposite each other;filter generation means configured to generate an image processing filter that changes according to feature amounts of a pixel value included in the projection data;reconstruction means configured to generate an X-ray CT image of the object by performing a reconstruction operation on the projection data using the generated image processing filter; andimage display means configured to display the X-ray CT image.2. The X-ray CT apparatus according to claim 1 ,wherein the filter generation means generates a convolution filter for each point of the projection data as the image processing filter corresponding to feature amounts of a pixel value of the point, andthe reconstruction means includes convolution means configured to superimpose the convolution filter for each point.3. The X-ray CT apparatus according to claim 2 , further comprising:first input means configured to input ...

Apparatus and method for non-rotational computer tomography

A multi-dimensional representation of an object is obtained in that first and second pictures of the object illuminated using an X-ray source are created using a sensor that is located, in relation to the X-ray source, behind the object in a preferential direction defined by the relative positions of the object and of the sensor. A distance in the preferential direction between the X-ray source and the object is different in the first picture than in the second picture. The multi-dimensional representation of the object is obtained by combining the first and second pictures.

X-RAY CT DEVICE

An X-ray CT apparatus includes: an X-ray generating unit configured to generate an X ray; an X-ray detecting unit including a plurality of X-ray detectors, each configured to detect the X ray generated from the X-ray generating unit and transmitted through an object; and an image generating unit configured to correct and reconstruct signals acquired by the X-ray detecting unit. While crosstalk correction of a plurality of the X-ray detectors is performed at the image generating unit, correction of a locally attenuating component is previously performed and correction of a whole component of the crosstalk is performed when the image is reconstructed. 1. An X-ray CT apparatus , comprising:an X-ray generating unit configured to generate an X ray;an X-ray detecting unit including a plurality of X-ray detectors, each configured to detect the X ray generated from the X-ray generating unit and transmitted through an object; andan image generating unit configured to correct a signal acquired by the X-ray detecting unit and reconstruct an image,wherein while crosstalk correction of a plurality of the X-ray detectors is performed at the image generating unit, correction of a locally attenuating component is previously performed and correction of a whole component of crosstalk is performed when the image is reconstructed.2. The X-ray CT apparatus as claimed in claim 1 , wherein the image generating unit corrects the locally attenuating component such that a correction quantity of the whole component of the crosstalk is equalized to a total of quantities leaked from one of a plurality of the X-ray detectors and to a total of quantities detected at another of the X-ray detectors.3. The X-ray CT apparatus as claimed in claim 1 , wherein in a measurement regarding the crosstalk correction claim 1 , the locally attenuating component and the whole component of the crosstalk are measured using a shielding body.4. The X-ray CT apparatus as claimed in claim 2 , wherein in a measurement ...

X-RAY SOURCE, X-RAY IMAGING APPARATUS, AND X-RAY COMPUTED TOMOGRAPHY IMAGING SYSTEM

An X-ray imaging apparatus includes: an X-ray source including an electron source and a target, the target having a plurality of projections, each having an emitting surface; a diffraction grating configured to diffract X rays emitted from the X-ray source; and a detector configured to detect the X rays diffracted by the diffraction grating. Electron beams output from the electron source are incident on the emitting surfaces so that X rays are emitted from the emitting surfaces and are output to the diffraction grating. The X rays emitted from the emitting surfaces are diffracted by the diffraction grating so as to form a plurality of interference patterns. The projections are arranged such that bright portions of the interference patterns overlap each other and such that dark portions thereof overlap each other. Distances from the emitting surfaces to the diffraction grating are equal to each other. 1. An X-ray imaging apparatus comprising:an X-ray source including an electron source and a target, the target having a plurality of projections, each of the plurality of projections having an emitting surface;a diffraction grating configured to diffract X rays emitted from the X-ray source; anda detector configured to detect the X rays diffracted by the diffraction grating,wherein electron beams output from the electron source are incident on the emitting surfaces of the plurality of projections so that X rays are emitted from the emitting surfaces and are output to the diffraction grating, the X rays emitted from the emitting surfaces are diffracted by the diffraction grating so as to form a plurality of interference patterns, the plurality of projections are arranged such that bright portions of the plurality of interference patterns overlap each other and such that dark portions of the plurality of interference patterns overlap each other, and distances from the plurality of emitting surfaces to the diffraction grating are equal to each other.2. The X-ray imaging ...

System and method for improved energy series of images using multi-energy ct

A method for creating an energy series of images acquired using a multi-energy computed tomography (CT) imaging system having a plurality of energy bins includes acquiring, with the multi-energy CT imaging system, a series of energy data sets, where each energy data set is associated with at least one of the energy bins. The method includes producing a conglomerate image using at least a plurality of the energy data sets and, using the conglomerate image, reconstructing an energy series of images, each image in the energy series of images corresponding to at least one of the energy data sets.

Device analysis

Performing an analysis of an electronic device sample by measuring a property at a plurality of points of said electronic device sample, and in advance of said analysis subjecting said plurality of points to at least one treatment that increases the difference in said property between at least two elements of said electronic device sample.

Portable x-ray system and remote control

Disclosed is a system for X-Ray examination of a target, which includes uprange controller means, a scintillator for sensing actually radiation sent, and a dosimeter for placing behind said target, for determining proper exposure of an image plate.

RADIATION PROTECTION CURTAIN

A radiation tunnel of an X-ray test device is shielded in by means of a radiation protection curtain in order that no impermissible radiation emerges. The radiation protection curtain is constructed from plates which are connected to one another in a manner of a downwardly suspended flat-top chain and are produced from a plastics composite that absorbs X-rays. 1. A radiation protection curtain comprising a plurality of plates that are connectable to one another in a manner of a downwardly hanging flat-top chain and are made of an x-ray-absorbing plastic composite.2. The radiation protection curtain according to claim 1 , wherein a width of a plate is 10 mm to 90 mm claim 1 , 15 mm to 40 mm claim 1 , or about 20 mm.3. The radiation protection curtain according to claim 1 , wherein a height of a plate is between 20 mm and 60 mm claim 1 , between 30 mm to 50 mm claim 1 , or about 40 mm.4. The radiation protection curtain according to claim 1 , wherein the plates have smooth outer surfaces.5. The radiation protection curtain according to claim 1 , wherein a long side of a plate is configured as a protruding edge claim 1 , which facilitates the arrangement of two plates next to one another and with overlapping edges.6. A radiation tunnel according to claim 1 , wherein a plate has an upper and lower end hinge element claim 1 , which are configured as loops.7. An x-ray inspection device for the examination of objects claim 1 , particularly items of luggage claim 1 , the device comprising:a radiation tunnel through which a conveying device for the objects is configured to run, the radiation tunnel having an entrance and an exit;a radiation source arranged in the radiation tunnel; anda radiation protection curtain arranged at the entrance and/or the exit of the radiation tunnel such that radiation in the radiation tunnel is shielded outwardly by the radiation protection curtain, the radiation protection curtain comprising a plurality of plates that are connectable to one ...

RADIOGRAPHIC APPARATUS HAVING REDUCED RADIOLOGICAL DOSAGE

A radiographic apparatus includes a radiation tube, a collimator and a camera. The radiation tube radiates a radiation. The collimator is attached to the radiation tube. The camera is attached to the collimator to provide an image to a user before a radiation field reaches a target organ. The radiation field is defined by the radiation passing through the collimator. 1a radiation tube radiating a radiation;a collimator attached to the radiation tube; anda camera attached to the collimator to provide an image to a user before a radiation field reaches a target organ, the radiation field being defined by the radiation passing through the collimator.. A radiographic apparatus comprising: This application claims priority to Korean Utility Model Application No. 20-2010-0004023, filed on Apr. 16, 2010, and all the benefits accruing therefrom under 35 U.S.C. §119, the contents of which in its entirety is herein incorporated by reference.1. Field of the InventionExample embodiments of the present invention relate to a radiographic apparatus. More particularly, example embodiments of the present invention relate to a radiographic apparatus having reduced radiological dosage.2. Description of the Related ArtGenerally, using a radiographic apparatus connected to a screen, a radiation should be radiated to a patient to display an image of a patient on a screen. However, the image is necessary to find a target organ when moving a radiation field. Accordingly, the radiation is radiated to the patient until the radiation field reaches the target organ of the patient, and thus an excessive radiation may be exposed to the patient.Example embodiments of the present invention provide a radiographic apparatus capable of reducing radiological dosage.In an example embodiment of a radiographic apparatus according to the present invention, the radiographic apparatus includes a radiation tube, a collimator and a camera. The radiation tube radiates a radiation. The collimator is attached to ...

X-RAY CT APPARATUS AND IMAGE PROCESSING APPARATUS

According to one embodiment, an X-ray CT apparatus includes an generation unit, detection unit, processing unit, and reconstruction unit. The generation unit irradiates an object with X-rays. The detection unit includes detection elements corresponding to a plurality of channels, which output detection signals upon detecting X-rays. The processing unit smoothes projection data constituted by numerical values corresponding to signals output from the elements so as to more strongly smooth a portion exhibiting a larger amount of change in the numerical value. The reconstruction unit reconstructs an image by using a plurality of projection data smoothed by the image processing unit. 1. An X-ray CT apparatus comprising:an X-ray generation unit configured to irradiate an object with X-rays;an X-ray detection unit including X-ray detection elements corresponding to a plurality of channels, which are arrayed in a predetermined direction to output detection signals upon detecting X-rays transmitted through the object;an image processing unit configured to smooth projection data constituted by numerical values corresponding to detection signals output from the X-ray detection elements corresponding to the plurality of channels so as to more strongly smooth a portion exhibiting a larger amount of change in the numerical value; anda reconstruction unit configured to reconstruct an image by using a plurality of projection data smoothed by the image processing unit.2. The X-ray CT apparatus of claim 1 , wherein the image processing unit smoothes the projection data by applying a Gaussian filter to the projection data while increasing a variance value for a portion exhibiting a larger amount of change in the numerical value.3. The X-ray CT apparatus of claim 1 , wherein the image processing unit smoothes the projection data by obtaining data by uniformly smoothing the projection data and adding the data and corresponding numerical values included in the projection data while ...

DEVICE AND METHOD FOR DETERMINING THE WEIGHT OF PHARMACEUTICAL PRODUCTS BY MEANS OF AN X-RAY SOURCE

The invention relates to a device () for determining the weight of pharmaceutical products (), in particular of hard gelatin capsules () filled with a pharmaceutical (), by means of an X-ray source (28), wherein the X-ray source () generates a radiation cone () which passes through at least one pharmaceutical product (), and wherein a sensor element () detects the radiation of the irradiated pharmaceutical product () and supplies an evaluation device (). According to the invention, a reference object () is arranged in the beam path of the radiation cone (), wherein the radiation of the X-rayed reference object () is detected by means of the sensor element () and is supplied to the evaluation device (), and wherein the pharmaceutical product () and the reference object () are positioned in relation to the radiation cone () in an arrangement in which they do not overlap each other in the radiation cone (). 110101282827363713030132353535273637353535303030321353535273637273637aaabababab. A device (; ) for determining the weight of pharmaceutical products () , by means of an X-ray source () , wherein the X-ray source () generates a radiation cone (; , ) which passes through at least one pharmaceutical product () , and wherein a sensor element (; ) detects radiation of the irradiated pharmaceutical product () and supplies an evaluation device () , characterized in that a reference object (; ; ) is arranged in a beam path of the radiation cone (; , ) , wherein radiation of the X-rayed reference object (; ; ) is detected by the sensor element (; ; ) and is supplied to the evaluation device () , and wherein the pharmaceutical product () and the reference object (; ; ) are positioned in relation to the radiation cone (; , ) in an arrangement in which the pharmaceutical product and the reference object do not overlap each other in said radiation cone (; , ).2303030ab. The device according to claim 1 , characterized in that the sensor element is an image recording sensor ...

Systems and Methods for Scanning Objects

The present application discloses scanner systems that have a radiation generator arranged to generate radiation to irradiate an object, a detector arranged to detect the radiation after it has interacted with the object and generate a sequence of detector data sets as the object is moved relative to the generator, and processors arranged to process each of the detector data sets thereby to generate a control output. 1. A scanner system comprising a radiation generator arranged to generate radiation to irradiate an object , a detector structure arranged to detect the radiation after it has interacted with the object and generate a sequence of detector data sets as the object is moved relative to the generator , and a processor arranged to process each of the detector data sets thereby to generate a control output arranged to control the radiation generator to vary its radiation output as the object is scanned.2. A scanner system according to wherein the processor is arranged to define a parameter of the detector data claim 1 , to determine a value of the parameter for each data set claim 1 , and generate a control output arranged to vary the radiation output if the value of the parameter does not meet a predetermined condition.3. A scanner according to wherein the detector structure comprises a plurality of detectors and the detector data comprises a set of intensity values indicative of the intensity of radiation at each of the detectors.4. A scanner system according to wherein the control output is arranged to control the energy of the radiation.5. A scanner system according to wherein the control output is arranged to control a dimension of the radiation beam.6. A scanner system according to wherein the radiation generator is arranged to generate the radiation in pulses and the control output is arranged to control at least one of the duration and the frequency of the pulses.7. A scanner system according to wherein the radiation generator comprises an adjustable ...

Transmission type radiation generating source and radiography apparatus including same

A transmission type radiation generating device includes an electron emitting source; a substrate that transmits radiation; a target provided on a surface of the substrate facing the electron emitting source and configured to generate radiation when electrons emitted from the electron emitting source are applied thereto; a shield member having a radiation passage that allows the radiation transmitted through the substrate to pass therethrough, the shield member being connected to the substrate and including at least a forward shield portion that protrudes in a direction away from the electron emitting source with respect to the target; and an insulating fluid in contact with the forward shield portion. The shield member includes a low-melting-point metal or a low-melting point alloy provided at least in the forward shield portion.

RADIATION IMAGING SYSTEM AND IMAGE PROCESSING METHOD

An X-ray imaging system is composed of an X-ray source, first and second absorption-type gratings, and a flat panel detector (FPD). Images are captured with the second absorption-type grating moved in X direction orthogonal to its grating line, relative to the first absorption-type grating. The FPD has pixels arranged in the X direction and Y direction orthogonal to the X direction. A group of the pixels arranged in the X direction are connected to a single signal line for reading out charge. A differential phase image producing section produces a differential phase image based on pieces of image data obtained from the respective images captured. A phase contrast image producing section integrates the differential phase image, produced by the differential phase image producing section, in a direction corresponding to the signal line of the FPD to produce a phase contrast image. 1. A radiation imaging system comprising:a first grating for transmitting radiation emitted from a radiation source and forming a first periodic pattern image;an intensity modulator for providing intensity modulation to the first periodic pattern image to form a second periodic pattern image;a radiation image detector having pixels arranged in two dimensions in a grating line direction of the first grating and an orthogonal direction orthogonal to the grating line direction, a group of the pixels arranged in the orthogonal direction being connected to a single signal line for reading out charge, the radiation image detector detecting the second periodic pattern image to produce image data;a differential phase image producing section for producing a differential phase image based on the image data; anda phase contrast image producing section for integrating the differential phase image in a direction corresponding to the signal line to produce a phase contrast image.2. The radiation imaging system claimed in claim 1 , wherein the intensity modulator provides the intensity modulation to the ...

Semiconductor Device and Method of Driving the Same

To provide a semiconductor device and a driving method of the same that is capable of enlarging a signal amplitude value as well as increasing a range in which a linear input/output relationship operates while preventing a signal writing-in time from becoming long. The semiconductor device having an amplifying transistor and a biasing transistor and the driving method thereof, wherein an electric discharging transistor is provided and pre-discharge is performed. 166-. (canceled)67. An X-ray system comprising:an X-ray generator configured to irradiate an object with an X-ray;a sensor portion configured to sense the X-ray through the object; anda computer configured to process a signal which is generated in response to the X-ray sensed by the sensor portion, a circuit including a first transistor, a second transistor, a switching transistor, and a photoelectric conversion element;', 'a third transistor;', 'a fourth transistor;', 'a fifth transistor;', 'a capacitor element;', 'a first wiring;', 'a second wiring;', 'a third wiring; and', 'a power source line,, 'wherein the sensor portion compriseswherein one of a source and a drain of the first transistor is electrically connected to the first wiring,wherein a gate of the first transistor is electrically connected to the photoelectric conversion element,wherein the gate of the first transistor is electrically connected to one of a source and a drain of the second transistor,wherein the other of the source and the drain of the second transistor is electrically connected to the second wiring;wherein one of a source and a drain of the third transistor is electrically connected to the first wiring and the other of the source and the drain of the third transistor is electrically connected to the power source line,wherein one of a source and a drain of the fourth transistor is electrically connected to the first wiring and the other of the source and the drain of the fourth transistor is electrically connected to the third ...

Component aperture location using computed tomography

An exemplary component measuring method includes determining a position of an aperture of a component using a computed tomography scan of a gage and a component. The gage is inserted into the aperture of the component during the computed tomography scan.

X-RAY PHOTOGRAPHING DEVICE

An X-ray photographing device includes an X-ray irradiating unit () for irradiating an object () with an X-ray beam () having a slit shape from a source (), and an imaging member () provided with a surface () to receive the X-ray beam. A pivot drive unit causes the irradiating unit () and the imaging member () to pivot about a pivoting center line (La) around the object (), and a sub-drive unit () causes the imaging member () to have a local motion in a circumferential direction with a shift width (Mw). A width (W) of the surface () in the circumferential direction is smaller than the shift width (Mw) and the local motion is a local rotation motion made on the rotation center line (Lc). This configuration reduces the cost of the device, reduces vibrations of the imaging member (), and enhances operating efficiency. 1. An X-ray photographing device comprising: an X-ray irradiating unit configured to irradiate an object with an X-ray beam; an X-ray imaging member having a light-receiving surface configured to receive the X-ray beam transmitted through the object; a pivot drive unit configured to cause the X-ray irradiating unit and the X-ray imaging member to have a pivoting motion on a pivoting center line around the object; and a control unit configured to control the pivot drive unit , the X-ray photographing device further comprising a sub-drive unit , controlled by the control unit , configured to cause a driven member which is at least one of the X-ray irradiating unit and the X-ray imaging member to a local motion which is different from the pivoting motion with a shift width in a predetermined direction , whereina width of the light-receiving surface in the predetermined direction is smaller than the shift width, and whereinthe local motion is a motion made on the rotation center line.2. The X-ray photographing device as claimed in claim 1 , wherein the rotation center line is arranged such that the object is always positioned between the X-ray irradiating ...

Multi-Linear X-Ray Scanning Systems and Methods for X-Ray Scanning

An x-ray scanner includes an x-ray source producing a fan of x-rays, an x-ray detector array, a collimator disposed between the source and the array, fixed to the source, and defining a slit collimating the fan of x-rays into a linear x-ray beam. The array is spaced from the source such that a linear extent of the linear x-ray beam is no greater than a detector dimension of the array. An x-ray processing unit processes detection of the linear x-ray beam by the array. A processor-controlled motor moves the x-ray source about a source movement axis to pan the linear x-ray beam and create an x-ray emission cone and moves the array correspondingly with the source. The x-ray processing unit form an x-ray scanned image of an object disposed between the collimator and the array within the x-ray emission cone when the linear x-ray beam is panned across the object.

RADIATION DETECTOR, RADIOGRAPHIC IMAGING DEVICE, AND RADIOGRAPHIC IMAGING SYSTEM

The present invention provides radiation detector, radiographic imaging device and radiographic imaging system that may detect irradiated radiation while maintaining quality of radiographic image. The radiation detector has: pixels having a sensor portion that generates charges in accordance with light converted from irradiated radiation, TFT switch that outputs, to a signal line, charges read-out from the sensor portion, and radiation detection TFT switch that is not connected to a signal line; and radiation detection pixels that have the sensor portion, the TFT switch, and radiation detection TFT switch that is connected to a signal line and that outputs, to the signal line, charges read-out from the sensor portion. The radiation detection TFT switches are connected to radiation detection scan lines, and ON/OFF states are controlled by scan signals that are outputted from a radiation detection control circuit. 1. A radiation detector comprising: a first sensor portion that generates charges in accordance with irradiated radiation, and', 'a first switching element that reads-out the charges generated at the first sensor portion and outputs the charges to a signal line;, 'a plurality of first pixels including,'} a second sensor portion that generates charges in accordance with irradiated radiation,', 'a second switching element that reads-out the charges generated at the second sensor portion and outputs the charges to a signal line, and', 'a radiation detection switching element that reads-out the charges generated at the second sensor portion and outputs the charges to a signal line;, 'a plurality of second pixels including,'}a plurality of scan lines that are formed from at least one of a scan line group formed from scan lines to which control terminals of the first switching elements are connected and through which control signals that switch the first switching elements flow, and scan lines to which control terminals of the second switching elements are ...

RADIOLOGICAL IMAGE-CAPTURING DEVICE, RADIOLOGICAL IMAGE-CAPTURING SYSTEM, RADIOLOGICAL IMAGE-CAPTURING METHOD, AND PROGRAM

A radiological image-capturing device includes: a first read control section that executes a first read mode in which electric signals stored in a plurality of pixels are read out simultaneously in units of a plurality of rows; and an emission-start determining section that determines that the emission of radiation from a radiation source onto an image-capturing panel has started when the values of the electric signals read by the first read control section have become greater than an arbitrarily settable threshold. If it is determined by the emission-start determining section that the emission of said radiation has started, the first read control section terminates the reading of the electric signals, and thereby brings the image-capturing panel into an exposure state. 1. A radiographic image capturing apparatus comprising:an image capturing panel containing a plurality of pixels arranged in a matrix for converting a radiation, which is emitted from a radiation source and transmitted through a subject, into electric signals and storing the electric signals,a first readout control part for executing a first readout mode for reading one-frame image data by reading the electric signals stored in the pixels in a plurality of rows simultaneously, andan irradiation start judgment part for judging start of emission of the radiation from the radiation source to the image capturing panel, the emission of the radiation being judged to be started in a case where a value of the electric signals read by the first readout control part becomes larger than an arbitrarily settable threshold value,wherein the first readout control part executes the first readout mode until the emission of the radiation is judged to be started by the irradiation start judgement part, and in a case where the emission of the radiation is judged to be started by the irradiation start judgment part, the first readout control part acts to stop the reading of the electric signals and to switch the image ...

X-RAY IMAGING APPARATUS

An X-ray imaging apparatus includes a diffraction grating that forms an interference pattern by diffracting X-rays emitted from an X-ray source, an absorption grating that shields a portion of the interference pattern, a detector that detects the X-rays emitted from the absorption grating, and a moving unit that changes relative positions of a sample object and the absorption grating. The moving unit changes the relative positions of the sample object and the absorption grating from first relative positions to second relative positions. The detector detects the X-rays at least when the sample object and the absorption grating are at the first relative positions and when the sample object and the absorption grating are at the second relative positions. 1. An X-ray imaging apparatus comprising:a diffraction grating that forms an interference pattern by diffracting X-rays emitted from an X-ray source;an absorption grating that shields a portion of the interference pattern;a detector that detects the X-rays emitted from the absorption grating; anda moving unit that changes relative positions of a sample object and the absorption grating,wherein the sample object is positioned between the X-ray source and the diffraction grating or between the diffraction grating and the absorption grating,wherein the moving unit changes the relative positions of the sample object and the absorption grating from first relative positions to second relative positions,wherein the detector detects the X-rays at least when the sample object and the absorption grating are at the first relative positions and when the sample object and the absorption grating are at the second relative positions, andwherein the second relative positions correspond to relative positions of the sample object and the absorption grating in at least one of a state where the sample object and the absorption grating have been moved relative to each other from the first relative positions in a periodic direction of the ...

RADIATION IMAGING SYSTEM AND IMAGE PROCESSING METHOD

In each of a first phase shift differential image produced in the absence of a subject in preliminary imaging and a second phase shift differential image produced in the presence of the subject in main imaging, boundaries, at each of which a value changes from π/2 to −π/2 or from −π/2 to π/2, are determined. First and second staircase data in each of which a value changes by π or −π when crossing each of the boundaries in a predetermined direction is produced. The first and second staircase data is added to the first and second phase shift differential images to produce first and second added phase shift differential image, respectively. The first added phase shift differential image is subtracted from the second added phase shift differential image to produce a corrected phase shift differential image. 1. A radiation imaging system comprising:a first grating for passing radiation from a radiation source to form a first periodic pattern image;an intensity modulator for providing intensity modulation to the first periodic pattern image to form at least one second periodic pattern image;a radiation image detector for detecting the second periodic pattern image to produce image data;a phase shift differential image generator for producing a phase shift differential image based on the image data;a staircase data generator for obtaining one or more boundaries, at each of which a value changes from π/2 to −π/2 or from −π/2 to π/2, in each of a first phase shift differential image, produced by the phase shift differential image generator in absence of a subject in preliminary imaging, and a second phase shift differential image, produced by the phase shift differential image generator in presence of the subject in main imaging, and producing first staircase data and second staircase data each changing by π or −π when crossing the boundary in a predetermined direction;a staircase data adder for adding the first staircase data to the first phase shift differential image to ...

METHOD AND APPARATUS FOR X-RAY SCATTERING ESTIMATION AND RECONSTRUCTION IN DIGITAL TOMOSYNTHESIS SYSTEM

A method and apparatus for X-ray scattering estimation and reconstruction in a digital tomosynthesis system are provided. The apparatus includes a receiver which receives, through a wired or wireless network, X-ray penetration data generated by measuring an object, and a graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected. 1. An apparatus for X-ray scattering estimation and reconstruction , the apparatus comprising:a receiver which receives X-ray penetration data through a wired or wireless network, wherein the X-ray penetration data is generated by measuring an object; anda graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected.2. The apparatus of claim 1 , wherein the GPU comprises at least one core to process in parallel at least one of movement claim 1 , scattering and detection of at least one photon generated from an X-ray generator claim 1 , and wherein the at least one photon is assigned to the at least one core.3. The apparatus of claim 2 , wherein the at least one core controls movement of the at least one photon from the X-ray generator to the object.4. The apparatus of claim 3 , wherein the at least one core randomly determines a movement distance which indicates an amount of movement of the at least one photon in the object.5. The apparatus of claim 2 , wherein the at least one core determines an amount of photoelectric absorption claim 2 , and controls the movement of the at least one photon.6. The apparatus of claim 2 , wherein the at least one core determines an amount of scattering of the at least one photon.7. The apparatus of claim 6 , wherein the at least one core randomly computes a scattering angle of the at least one photon claim 6 , updates a three-dimensional (3D) direction vector based on the computed scattering angle claim 6 , calculates a Compton scattering ...

HOLDING APPARATUS AND X-RAY DIAGNOSTIC APPARATUS

According to one embodiment, a holding apparatus includes an arcuated arm, a first roller, and a second roller. The arcuated arm is provided with a guide groove along the outer surface, has a hollow portion inside, and holds the X-ray generator and X-ray detector while making them squarely face each other. The first roller runs in the hollow portion in contact with the inner wall of the hollow portion on the outer surface side. The second roller runs in the guide groove while being fitted in the guide groove, and holds the arm together with the first roller so as to allow the arm to slide along the arcuated direction. 1. A holding apparatus which holds an X-ray generator configured to irradiate an object with X-rays and an X-ray detector configured to detect X-rays transmitted through the object , the apparatus comprising:an arcuated arm provided with a guide groove along an outer surface, having a hollow portion inside, and configured to hold the X-ray generator and the X-ray detector;a first roller configured to run in the hollow portion in abutment with an inner wall of the hollow portion which is located on the outer surface; anda second roller configured to run in the guide groove while being fitted in the guide groove and hold the arm, together with the first roller, so as to allow the arm to slide along an arcuated direction of the arm.2. The apparatus of claim 1 , wherein the arm is provided with an opening portion claim 1 , along the outer surface claim 1 , which communicates with the hollow portion from the outer surface claim 1 ,the holding apparatus further comprises a frame inserted from the opening portion into the hollow portion, andthe first roller is pivotally attached to a portion of the frame which is inserted into the hollow portion.3. The apparatus of claim 2 , further comprising:a slide belt having two ends respectively fixed to end portions of the arm and stretched on the outer surface of the arm so as to close the opening portion,a pair of ...

RADIOGRAPHIC DEVICE, RADIOGRAPHIC SYSTEM, CONTROL METHOD AND RECORDING MEDIUM FOR RADIOGRAPHIC DEVICE

An AEC unit of an electronic cassette sets a dose target value and a short-circuited pixel used for AEC based on a radiographing condition. When a control unit of the electronic cassette detects start of irradiation of X rays, the AEC unit starts integration of a cumulative dose of X rays which are incident to a target region based on a dose detection signal output by the short-circuited pixel. The AEC unit predicts a stop timing at the time point t1, waits until the time point t2 which is a predetermined time earlier than a scheduled stop time, and sends a stop timing notification to an X-ray generation device at the time point t2. When the stop timing notification is received, a X-ray source control device immediately inputs an irradiation stop command so as to stop an operation of an X-ray source. 1. A radiographic device which is connected to a radiation generation device irradiating a subject with radiation in order to allow communication therebetween and receives the radiation transferred through the subject so as to radiograph a radiological image of the subject , comprising:an image detection unit that has an imaging region where a plurality of pixels accumulating signal charges corresponding to a dose of the radiation are arranged and detects the radiological image;a dose detection unit that detects an arrival dose of the radiation arriving at the imaging region;a stop timing prediction unit that predicts a stop timing for stopping irradiation of the radiation in the radiation generation device based on the arrival dose detected by the dose detection unit and a preset dose target value; anda communication unit that sends a stop timing notification for notifying the stop timing to the radiation generation device before the stop timing arrives.2. The radiographic device according to claim 1 , wherein the communication unit sends the stop timing notification a predetermined time before the stop timing claim 1 , the predetermined time being set in consideration ...

METHOD FOR CORRECTING IMAGE ARTIFACTS OCCURING AS A RESULT OF AN ANTI SCATTER GRID

A method for correcting image artifacts is proposed. The artifacts occur as a result of an anti scatter grid connected rigidly to an x-ray detector in recording three-dimensional image datasets. Two-dimensional projection images of an object are recorded from different recording geometries for reconstruction the three-dimensional image dataset. A calibration image is recorded for each recording geometry. An average image from all recorded calibration images is established. Subtraction images are established by subtracting the average image from the corresponding calibration images. Noise is removed from the subtraction images. The subtraction images and the average image are stored. A correction image is established for each recording geometry by addition of the subtraction image assigned to the recording geometry and of the average image and is used for correcting the projection image. 1. A method for correcting image artifacts resulting from an anti scatter grid rigidly connected to an x-ray detector disposed on a C-arm of an x-ray device , comprising:recording a plurality of two-dimensional projection images of an object from different recording geometries using the x-ray device;recording a plurality of calibration images for each of the recording geometries respectively using the x-ray device;determining an average image from the calibration images using a control device;determining subtraction images for the each of the recording geometries by subtracting the average image from the corresponding calibration images respectively;smoothing the subtraction images by removing noise from the subtraction images;storing the smoothed subtraction images and the average image in the control device;determining correction images for the each of the recording geometries by adding the smoothed subtraction images assigned to the each of the recording geometries respectively with the average image; andcorrecting the recorded projection images based on the correction images.2. ...

MULTI-RESOLUTION X-RAY IMAGE CAPTURE

Various methods and systems are provided for multi-resolution x-ray image capture. In one embodiment, a method includes repositioning an image capture assembly of an x-ray image capture apparatus from a first position to a second position, the first position corresponding to a first pixel density resolution and the second position corresponding to a second pixel density resolution; activating an x-ray source; and obtaining a digital x-ray image of a subject from an imaging sensor of the image capture assembly, the digital x-ray image having the second pixel density resolution. 120-. (canceled)21. A multi-resolution x-ray image capture apparatus , comprising: an imaging sensor;', 'an accumulator; and', 'a focus adjustment mechanism configured to adjust the position of the accumulator between a first position and a second position, where the imaging sensor is configured to acquire a high-resolution digital x-ray image at a first pixel density in the first position and a lower-resolution digital x-ray image at a second pixel density in the second position., 'an image capture assembly comprising22. The multi-resolution x-ray image capture apparatus of claim 21 , further comprising a mirror claim 21 , wherein the lower-resolution digital x-ray image is obtained via reflection by the mirror.23. The multi-resolution x-ray image capture apparatus of claim 22 , wherein the accumulator is configured to focus photons reflected by the mirror on an imaging acquisition device of the imaging sensor.24. The multi-resolution x-ray image capture apparatus of claim 23 , wherein the imaging acquisition device is a charged coupled device (CCD)25. The multi-resolution x-ray image capture apparatus of claim 22 , wherein the high-resolution digital x-ray image is obtained via reflection by the mirror.26. The multi-resolution x-ray image capture apparatus of claim 21 , further comprising an fiber-optic coupler coupled between the imaging sensor and the accumulator.27. The multi-resolution x ...

RADIATION TOMOGRAPHY APPARATUS

A radiation tomography apparatus comprising a first imaging device for taking tomography images of a subject by introducing the subject in an introduction direction of the subject, a support member for supporting the subject, a support-member moving device for moving the support member in the introduction direction of the subject, a support-member movement controller for controlling the support-member moving device, a first cylinder provided in a first imaging view field of the first imaging device and having an opening extending in the introduction direction for introducing the support member and a first positioning device for positioning the first cylinder relative to the first imaging view field, the first cylinder guiding the movable support member. 1. A radiation tomography apparatus comprising:a first imaging device for taking tomography images of a subject by introducing the subject in an introduction direction of the subject;a support member for supporting the subject;a support-member moving device for moving the support member in the introduction direction of the subject;a support-member movement controller for controlling the support-member moving device;a first cylinder provided in a first imaging view field of the first imaging device and having an opening extending in the introduction direction for introducing the support member; anda first positioning device for positioning the first cylinder relative to the first imaging view field,the first cylinder guiding the movable support member.2. The radiation tomography apparatus according to claim 1 , further comprising:a second imaging device provided adjacent to the first imaging device in the introduction direction for taking tomography images of the subject by introducing the subject in the introduction direction;a second cylinder provided in a second imaging view field the second imaging device and having an opening extending in the introduction direction for introducing the support member; anda second ...

X-RAY IMAGING WITH PIXELATED DETECTOR

The invention relates to a method and an imaging system () for generating X-ray images. The system () comprises at least one X-ray source, preferably an array of X-ray sources (-), and an X-ray detector () with an array of sensitive pixels (-). A collimator () is arranged between the X-ray source and the detector such that two openings (P) of the collimator () allow the passage of X-rays towards two neighboring pixels (-) while the region between said pixels is substantially shielded. This shielding of the usually insensitive regions between pixels reduces unnecessary X-ray exposure. A sufficiently large X-ray intensity can be achieved by using a plurality of small X-ray sources (-). 1. An X-ray imaging system for generating X-ray projections of an object , comprising:a) at least one X-ray source for generating an X-ray beam;b) an X-ray detector that comprises an array of at least two sensitive pixels having X-ray insensitive regions inbetween, wherein the detection signal of these pixels corresponds to image information at a particular point of the generated projection;c) a collimator that comprises at least two openings which allow the passage of X-rays from the X-ray source such that at least two neighboring pixels of the detector are illuminated while the X-ray insensitive region between said pixels is at least partially shielded by the collimator;d) an object space between the collimator and the X-ray detector where an object to be imaged can be accommodated.2. The X-ray imaging system according to claim 1 ,wherein the size and arrangement of at least one opening and the X-ray source is such that substantially only one pixel or row of pixels is illuminated through said opening.3. The X-ray imaging system according to claim 1 ,the collimator comprises an array of openings which are in one dimension or in two dimensions aligned with the pixels of the detector such that by adequate illumination with the X-ray source the radiation sensitive pixel areas are ...

Radiographic image detector, radiographic imaging apparatus, radiographic imaging system

The present invention provides a radiographic image detector that may maintain even resolution in 6 directions before and after 3-pixel binning process or 4-pixel binning process. A radiation detector is disposed with plural pixels that have hexagonal shaped pixel regions, arrayed in a honeycomb pattern. Scan lines connected to TFT switches in each of the pixels are disposed one for each of the pixel rows. Grouped scan lines are also disposed one for each of the pixel rows for reading and combining 3 pixels or 4 pixels worth of charges at the same timing for plural pixel groups, each configured from 3 pixels or 4 pixels in a radiation detection element. ON signals are simultaneously sent by the grouped scanned lines to the TFT switches to perform 3-pixel binning or 4-pixel binning.

RADIOGRAPHIC IMAGE DETECTOR, RADIOGRAPHIC IMAGING APPARATUS, RADIOGRAPHIC IMAGING SYSTEM

The present invention provides a radiographic image detector that maintains even resolution in 6 directions before and after 4 pixel binning processing. In the radiographic image detector, first TFT switches of each pixel are switched ON according to control signals from plural first scan lines, and charge signals according to accumulated charges are transmitted through data lines. For each pixel group configured by combinations of plural adjacent pixels, second TFT switches of the pixels configuring each of the pixel groups are switched ON according to control signals from plural second scan lines, and binning processing is performed in which 4 pixels worth of charges are read simultaneously and are combined, and charge signals according to the amount of the combined charges are transmitted through the data lines. 1. A radiographic image detector comprising: a sensor portion that generates charges according to irradiated radiation,', 'a first switching element that reads out the generated charges, and', 'a second switching element that reads out the generated charges;, 'a detection section including a plurality of pixels having hexagonal shaped pixel regions arrayed in a honeycomb pattern, each pixel including,'}a plurality of first scan lines that are disposed one for each of respective pixel rows of the plurality of pixels, and that are each connected to a control terminal of the first switching elements in the corresponding pixel row;a plurality of second scan lines that are disposed one for each of respective pairs of column direction adjacent pixel rows from the plurality of pixel rows, and that are each connected to a control terminal of the second switching elements in the corresponding column direction adjacent pair of pixel rows; anda plurality of data lines that are disposed to respectively intersect with the plurality of first scan lines and the plurality of second scan lines, that transmit first charge signals corresponding to charges read out by the ...

HIGH SPEED, SMALL FOOTPRINT X-RAY TOMOGRAPHY INSPECTION SYSTEMS, DEVICES, AND METHODS

The present subject matter relates to inspection systems, devices and methods for x-ray inspection of objects. A conveyor can move an object to be inspected through an inspection zone along a direction of travel, one or more multibeam x-ray source arrays can provide multiple collimated x-ray beams through the inspection zone along a direction substantially perpendicular to the direction of travel, and one or more x-ray detector arrays can detect x-ray beams passing through the inspection zone from the x-ray source array. X-ray signals detected by the x-ray detector array can be recorded to form multiple x-ray projection images of the object, and the multiple x-ray projection images can be processed into three-dimensional tomographic images of the object. 1. A computed tomography inspection system , comprising:a conveyor configured to move an object to be inspected through an inspection zone along a direction of travel;one or more multibeam x-ray source arrays operable to provide multiple collimated x-ray beams through the inspection zone along a direction substantially perpendicular to the direction of travel;one or more x-ray detector arrays configured to detect x-ray beams passing through the inspection zone from the x-ray source array;an electronic controller operable to electronically turn on and turn off individual x-ray beams from the x-ray source array according to a preprogrammed pattern;a signal processing unit operable to record corresponding x-ray signals detected by the x-ray detector array and to form multiple x-ray projection images of the object; anda data processor unit operable for processing the multiple x-ray projection images into three-dimensional tomographic images of the object.2. The inspection system of claim 1 , wherein the inspection zone comprises a tunnel through which the conveyor passes.3. The inspection system of claim 1 , wherein the one or more multibeam x-ray source arrays comprise one or more non-circular arrays.4. The inspection ...

IMAGING CONTROL APPARATUS, RADIOGRAPHIC IMAGING SYSTEM, AND IMAGING CONTROL METHOD

A radiographic imaging apparatus includes: a radiation detection array configured to store charges to acquire an image signal; an output unit configured to output radiation image data based on the image signal to an external apparatus; a detection unit configured to detect an imaging mode changeover instruction; and a control unit configured to, when the detection unit detects an imaging mode changeover instruction during one unit of imaging processing including the charge storage and the charge-based radiation image data output to an external apparatus, control whether the imaging processing is to be interrupted, based on an operating state of the radiographic imaging apparatus. 1. A radiographic imaging apparatus comprising:a radiation detection array for storing charges to acquire an image signal;an output unit configured to output radiation image data based on the image signal to an external apparatus;a detection unit configured to detect an imaging mode changeover instruction; anda control unit configured to, when the detection unit detects an imaging mode changeover instruction during one unit of imaging processing including the charge storage and output of the radiation image data to an external apparatus, determine whether to interrupt the imaging processing, based on an ongoing processing included in the imaging processing.2. The radiographic imaging apparatus according to claim 1 , wherein claim 1 , when the changeover instruction is detected during the image signal reading included in the imaging processing claim 1 , the control unit performs control for starting the imaging mode changeover after completion of the image signal reading.3. The radiographic imaging apparatus according to claim 2 , wherein claim 2 , when the changeover instruction is detected during the image signal reading claim 2 , the control unit interrupts the imaging processing without outputting the radiation image data based on the read image signal claim 2 , and then performs control ...

DIFFERENTIAL PHASE-CONTRAST IMAGING WITH IMPROVED SAMPLING

The present invention relates to differential phase-contrast imaging of an object. For increasing spatial resolution of an X-ray imaging system () the size of a detector pixel element () may be considered a limiting factor. Accordingly, it may be beneficial to increase the resolution of an apparatus () for phase-contrast imaging without further reducing the area of an individual pixel element (). Accordingly, an apparatus () for phase-contrast imaging with improved sampling is provided, comprising an X-ray source (), a first grating element G(), a second grating element G() and an X-ray detector element () comprising a plurality of detector pixel elements (), each detector pixel element () having a pixel area A. An object to be imagined () is arrangeable between the X-ray source () and the X-ray detector element (). The first grating element G() as well as the second grating element G() are arrangeable between the X-ray source () and the X-ray detector element (). The X-ray source (), the first grating element G(), the second grating element G() and the X-ray detector () are operatively coupled for acquisition of a phase-contrast image of the object (). At least one of the first grating element G() and the second grating element G() comprise a first area Ahaving a first grating pitch pand a second area Ahaving a second grating pitch pdifferent from the first grating pitch. 2. Grating arrangement according to claim 1 , further comprisingan X-ray detector element, comprising a plurality of detector pixel elements, each detector pixel element having a pixel area A;{'sub': 1', '2, 'wherein the first area Aand the second area Aare arranged adjacently; and'}{'sub': 1', '2, 'wherein the size of the first area Aand the second area Acorrespond to the pixel area A of a single detector pixel element.'}3. Grating arrangement according to claim 1 ,wherein the first area and the second area are of similar size.4. Grating arrangement according to claim 1 , wherein at least one of ...

METHOD AND APPARATUS FOR NON-DESTRUCTIVE TESTING OF A SEED

The present invention provides a method and apparatus for non-destructive testing of a seed. In various embodiments, the method may comprise vibrating the seed to orient the seed on an axis, identifying a location of a known feature of the seed, determining a sample location on the seed based on the location of the known feature, and performing a non-destructive testing procedure on the seed proximate the sample location. In one embodiment, the method may comprise removing a sample portion of the seed from the sample location without damaging the embryo of the seed. Accordingly, the viability of the seed may be maintained while allowing for subsequent testing on the sample portion of the seed. 1. A method of non-destructive sampling of a seed , comprising:vibrating the seed to orient the seed on an axis;identifying a location of a known feature of the seed;determining a sample location on the seed based on the location of the known feature; andperforming a non-destructive testing procedure on the seed proximate the sample location.2. The method of claim 1 , wherein the known feature comprises an embryo.3. The method of claim 2 , wherein determining the sample location comprises causing the sample location to be substantially opposite the location of the embryo on the seed.4. The method of claim 1 , wherein the known feature comprises a hilum.5. The method of claim 1 , wherein identifying the location of the known feature comprises rotating the seed about the axis.6. The method of claim 1 , wherein identifying the location of the known feature on the seed comprises illuminating the seed to improve contrast.7. The method of claim 1 , wherein identifying the location of the known feature comprises identifying a known shape.8. The method of claim 7 , wherein identifying a known shape comprises identifying a perimeter of the seed.9. The method of claim 1 , wherein identifying the location of the known feature comprises identifying a known color.10. The method of claim 1 ...

X-ray computed tomography apparatus

According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube to generate X-rays, X-ray detector to detect the X-rays transmitted through an object, top to place the object, rotation driving unit to rotate a rotating frame with the X-ray tube and the X-ray detector around the object, movement driving unit to relatively reciprocate the rotating frame and the top over a plurality of times along a long-axis direction of the top, and scan control unit to control the movement driving unit in the relative reciprocal movement such that moving loci of the X-ray tube corresponding to the respective forward movements are matched with each other and moving loci of the X-ray tube corresponding to the respective backward movements are matched with each other.

X-RAY CT APPARATUS AND IMAGE RECONSTRUCTION METHOD

In order to provide an X-ray CT apparatus and the like that reconstruct an image using an iterative approximation method which ensures stable convergence and can be executed at high speed, a computation device of an X-ray CT apparatus calculates matrices A, B, D, R, and R′ on the basis of the scanning conditions input through an input device (step ). Then, the computation device calculates each element of a matrix I−α(SBDA+βSR) (step ). Then, the computation device calculates the operator norm ∥I−α(SBDA+βSR)∥ of the matrix I−α(SBDA+βSR) (step ). Then, the computation device determines a relaxation coefficient α such that a predetermined conditional expression is satisfied (step ). 1. An X-ray CT apparatus that reconstructs a tomographic image of an object using an iterative approximation method to apply matrices that are not transposed matrices of each other in forward projection processing and back projection processing , the apparatus comprising:a scanning unit that acquires actual projection data of the object on the basis of scanning conditions; anda computation unit that reconstructs the tomographic image by performing iterative approximation on the actual projection data using the scanning conditions and an update expression of the iterative approximation method including a relaxation coefficient that determines convergence of computation,wherein the relaxation coefficient is analytically calculated on the basis of the scanning conditions.2. The X-ray CT apparatus according to claim 1 ,wherein the relaxation coefficient is calculated such that a predetermined conditional expression, which is defined on the basis of an operator norm of an update matrix that determines an update amount and an update direction of the update expression, is satisfied.3. The X-ray CT apparatus according to claim 2 ,wherein the predetermined conditional expression is an expression showing that the operator norm of the update matrix is smaller than 1.4. The X-ray CT apparatus ...

IMAGING APPARATUS USING TALBOT INTERFERENCE AND ADJUSTING METHOD FOR IMAGING APPARATUS

An imaging apparatus includes a diffraction grating which diffracts electromagnetic waves from an electromagnetic wave source, a shield grating which shields a part of the electromagnetic waves diffracted by the diffraction grating, a detector which detects an intensity distribution of the electromagnetic waves through the shield grating, and an adjusting unit which adjusts the attitude of at least one of the diffraction grating and the shield grating on the basis of the detection result by the detector, wherein the adjusting unit divides the intensity distribution detected by the detector into a plurality of regions and adjusts the attitude of at least one of the diffraction grating and the shield grating on the basis of the intensity distributions of the plurality of regions. 1. An imaging apparatus comprising:a diffraction grating which diffracts electromagnetic waves from an electromagnetic wave source;a shield grating which shields a part of the electromagnetic waves diffracted by the diffraction grating;a detector which detects an intensity distribution of the electromagnetic waves through the shield grating; andan adjusting unit which adjusts the attitude of at least one of the diffraction grating and the shield grating on the basis of the detection result by the detector,wherein the adjusting unit:divides the intensity distribution detected by the detector into a plurality of regions; andadjusts the attitude of at least one of the diffraction grating and the shield grating on the basis of the intensity distributions of the plurality of regions.2. The imaging apparatus according to claim 1 , whereinthe adjusting unit performs Fourier transform on the intensity distributions in the divided plurality of regions and thus calculates the intensity information on the spectra corresponding to the carrier frequencies; andadjusts the attitude of at least one of the diffraction grating and the shield grating on the basis of the intensity distributions of the spectra ...

X-RAY CT APPARATUS

An X-ray CT apparatus includes: a detector that detects X-rays that have passed through a subject; a data acquiring unit that, for each of predetermined energy bands, counts photons having an energy level included in the predetermined energy band, from among photons derived from the X-rays detected by the detector; an acquisition controlling unit that controls the data acquiring unit in such a manner that energy bands including energy levels which the photons representing substances that are not of interest have are each larger than an energy band including an energy level which the photons representing a substance of interest have, in accordance with an image taking condition under which an image taking process is performed on the subject; and an image reconstructing unit that reconstructs an X-ray CT image by using a counting result obtained by the data acquiring unit controlled by the acquisition controlling unit. 1. An X-ray CT apparatus comprising:a detector configured to detect X-rays that have passed through a subject;a data acquiring unit configured to, for each of predetermined energy bands, count photons having an energy level included in the predetermined energy band, from among photons derived from the X-rays detected by the detector;an acquisition controlling unit configured to control the data acquiring unit in such a manner that energy bands including energy levels which the photons representing substances that are not of interest have are each larger than an energy band including an energy level which the photons representing a substance of interest have, in accordance with an image taking condition under which an image taking process is performed on the subject; andan image reconstructing unit configured to reconstruct an X-ray CT image by using a counting result obtained by the data acquiring unit controlled by the acquisition controlling unit.2. The X-ray CT apparatus according to claim 1 , wherein claim 1 , after counting photons for each of ...

Method Of Determining Reservoir Properties And Quality With Multiple Energy X-Ray Imaging

A method of evaluating a reservoir includes a multi-energy X-ray CT scan of a sample, obtaining bulk density and photoelectric effect index effect for the sample, estimation of at least mineral property using data obtained from at least one of a core gamma scan, a spectral gamma ray scan, an X-ray fluorescence (XRF) analysis, or an X-ray diffraction (XRD) analysis of the sample, and determination of at least one sample property by combining the bulk density, photoelectric effect index, and the at least one mineral property (e.g., total clay content). Reservoir properties, such as one or more of formation brittleness, porosity, organic material content, and permeability, can be determined by the method without need of detailed lab physical measurements or destruction of the sample. A system for evaluating a reservoir also is provided. 1. A method of evaluating a reservoir , comprising:(a) performing a multi-energy X-ray CT scan of a sample at a depth interval at two or more different energy levels;(b) obtaining bulk density and photoelectric effect index for the sample using CT values obtained for voxels in the sample from the multi-energy X-ray CT scan;(c) estimating at least one mineral property using data obtained from at least one of a core gamma scan, a spectral gamma ray scan, an X-ray fluorescence (XRF) analysis, or an X-ray diffraction (XRD) analysis of the sample; and(d) determining at least one sample property by combining the bulk density, photoelectric effect index, and said at least one mineral property.2. The method of claim 1 , wherein the at least one mineral property comprises total clay content.3. The method of claim 1 , further comprising performing a core gamma scan or a spectral gamma ray scan on the sample prior to step (c).4. The method of claim 1 , wherein the estimating of the at least one mineral property comprises using data of at least one of a gamma ray or a spectral gamma ray scan of the sample to estimate total clay content claim 1 , ...

DYNAMIC FILTER FOR COMPUTED TOMOGRAPHY (CT)

An imaging system including a source () having a focal spot () that emits a radiation beam that traverses an examination region, a radiation sensitive detector array () having a plurality of pixels that detects radiation traversing the examination region and generates projection data indicative of the detected radiation, and a filter (), disposed between the source and the examination region, that filters peripheral regions of the emitted radiation, wherein the filter includes two separate and moveable regions (), each region having a substantially same thickness and constant homogeneity. 1. An imaging system , comprising:a source having a focal spot that emits a radiation beam that traverses an examination region;a radiation sensitive detector array having a plurality of pixels that detects radiation traversing the examination region and generates projection data indicative of the detected radiation; anda filter, disposed between the source and the examination region, that filters peripheral regions of the emitted radiation, wherein the filler includes two separate and moveable regions, each region having a substantially same thickness and constant homogeneity.2. The system of claim 1 , wherein each of the filter regions is cylindrically shaped and has an edge that is always substantially parallel to a ray of the emitted radiation beam when the filter regions are filtering the radiation beam.3. The system of claim 1 , wherein each of the filter regions has substantially a same radiation attenuation characteristic.4. The system of claim 1 , wherein each of the filter regions is configured to move along an arc shaped path about the focal spot claim 1 , which changes an attenuation profile of the filter.5. The system of claim 4 , wherein each of the filter regions is configured to dynamically move in accordance with a shape of an object or subject during scanning of the object or subject.6. The system of claim 4 , wherein the filter regions are concurrently moved in ...

X-RAY CT (COMPUTED TOMOGRAPHY) DEVICE

As one embodiment, the X-ray CT device comprises an X-ray tube, a tube voltage generator, an X-ray detector, a data accumulating unit, and an image processing unit. The tube voltage generator applies said tube voltage to the X-ray tube. The tube voltage controlling unit controls the tube voltage generator means so as to periodically alternate the tube voltage. The X-ray detector is arranged across a subject from the X-ray tube, and detects the X-rays penetrating the subject. The data accumulating unit accumulates first sampling data when a high voltage is applied to said X-ray tube in one cycle by synchronizing with the change in said tube voltage from the data detected by said X-ray detector, and after a predetermined amount of time has passed from said accumulation, accumulates second sampling data when a low voltage is applied to said X-ray tube. The image processing unit creates images based on the accumulated first sampling data and second sampling data. 1. An X-ray CT device , comprising:an X-ray tube,a tube voltage generator adding tube voltage to said X-ray tube,a tube voltage controlling unit controlling the tube voltage generator so as to periodically alternate said tube voltage,an X-ray detector arranged across a subject from said X-ray tube, which detects the X-rays penetrating the subject,a data accumulating unit that accumulates first sampling data when a high voltage is applied to said X-ray tube in one cycle by synchronizing with the change in said tube voltage from the data detected by said X-ray detector, and after a predetermined amount of time has passed from said accumulation, and accumulates second sampling data when a low voltage is applied to said X-ray tube, andan image processing unit that creates images based on said accumulated first sampling data and second sampling data.2. The device according to claim 1 , wherein said data accumulating unit accumulates third sampling data at least once when a medium voltage is applied to said X-ray ...

METHOD AND APPARATUS FOR INSPECTING HONEYCOMB STRUCTURE

Obtaining computer-tomography images of a first section at a distance Z from one end surface of a honeycomb structure and a second section at a distance Z larger than the distance Z from the end surface of the honeycomb structure, determining the existence/nonexistence of a plugging portion in at least one of the plurality of passages based on the computer-tomography image of the first section, determining the existence/nonexistence of the plugging portion in the at least one passage based on the computer-tomography image of the second section, and determining the length of the plugging portion based on the result of determination of the existence/nonexistence of the plugging portion based on the computer-tomography image of the first section and the result of determination of the existence/nonexistence of the plugging portion based on the computer-tomography image of the second section. 1. A method of inspecting a honeycomb structure having a partition wall portion forming a plurality of passages opened in opposite end surfaces , and plugging portions closing any one end of each passage , the method comprising:{'b': 1', '2', '1, 'a step of obtaining computer-tomography images of a first section at a distance Z from one end surface of the honeycomb structure and a second section at a distance Z larger than the distance Z from the end surface of the honeycomb structure;'}a step of determining the existence/nonexistence of the plugging portion in at least one of the plurality of passages based on the computer-tomography image of the first section;a step of determining the existence/nonexistence of the plugging portion in the at least one passage based on the computer-tomography image of the second section; anda step of determining the length of the plugging portion based on the result of determination of the existence/nonexistence of the plugging portion based on the computer-tomography image of the first section and the result of determination of the existence/ ...

DEVICE FOR DETECTING SUSPICIOUS OBJECTS

A device includes a radiation tunnel in which an X-ray source and a detector unit are disposed, the detectors of which are aligned with the X-ray source so as to detect transmitted radiation for detecting suspicious objects. Disposed in the radiation tunnel is a frame which can be moved over an examination region and has two supports which extend at a spacing parallel to each other and are rigidly connected to each other, the radiation source being secured on one vertical support and the detector unit being secured on the other vertical support. 1. A device for detecting suspicious objects , the device comprising:a radiation tunnel;an x-ray source and a detector unit disposed arranged in the radiation tunnel, whose detectors for detecting transmitted radiation are directed toward the x-ray source; anda frame arranged in the radiation tunnel, the frame being movable over a screening area, the frame comprising two supports extending vertically and parallel at a distance from one another and rigidly connected to one another,wherein the radiation source is secured to one vertical support and the detector unit to the other vertical support.2. The device according to claim 1 , wherein the vertical supports are connectable to one another by a cross member.3. The device according to claim 1 , wherein the frame is adapted to be rotatable around a central vertical axis to which one of the vertical supports with the radiation source is connected.4. The device according to claim 3 , wherein the floor area of the radiation tunnel has a shape of a circle sector claim 3 , a shape of a semicircle claim 3 , or nearly a semicircle.5. The device according to claim 1 , wherein the radiation tunnel has an outer wall claim 1 , which contains an x-ray-absorbing material.6. The device according to claim 1 , wherein claim 1 , within the radiation tunnel claim 1 , a screening tunnel is arranged claim 1 , whose side walls are manufactured from materials readily penetrated by x-rays claim 1 , ...

RADIATION TARGET AND METHOD FOR PRODUCING THE SAME

Provided are a radiation emission target and a radiation generating apparatus that reduce the variation in the output due to operation and temperature history by maintaining stable adhesion of the layered radiation target and achieve stable radiation emission characteristics. 1. A radiation target comprising a supporting substrate , a target layer that emits radiation when irradiated with an electron beam , and an interlayer located between the supporting substrate and the target layer ,wherein the interlayer has a thickness of 1 μm or less and contains titanium as a main component, and wherein at least part of the titanium shows a β-phase at 400° C. or less.2. The radiation target according to claim 1 , wherein the interlayer contains a β-phase-stabilizing metal as a trace component claim 1 , the β-phase-stabilizing metal claim 1 , when added to pure titanium claim 1 , lowering a phase transformation temperature of titanium at which the titanium changes from being in a state containing only an α-phase to being in a state containing the β-phase so as to be less than a phase transformation temperature of pure titanium.3. The radiation target according to claim 2 , wherein the interlayer is composed of an alloy of the titanium and the β-phase-stabilizing metal.4. The radiation target according to claim 2 , wherein the β-phase-stabilizing metal is at least one metal selected from V claim 2 , Nb claim 2 , and Ta.5. The radiation target according to claim 2 , wherein the interlayer contains the β-phase-stabilizing metal in an amount of 1.5 times or more the minimum β-phase-stabilizing metal content with which the α-phase titanium and the β-phase titanium coexist as an eutectoid at 400° C.6. The radiation target according to claim 2 , wherein the interlayer contains 3.3 atm % or more and 50 atm % or less of the β-phase-stabilizing metal.7. The radiation target according to claim 1 , wherein the interlayer is composed of a polycrystal having an average grain size of 0.1 μm ...

IMAGING APPARATUS, X-RAY DETECTOR, AND IMAGING METHOD

An imaging apparatus includes a sensor including a plurality of pixels arranged in a two-dimensional pattern, a sample-hold unit configured to sample and hold a signal obtained from each pixel, and a reading unit configured to perform scanning in such a way as to perform a plurality of non-destructive reading operations for pixels of one row and as to read pixels of the next row, and to subsequently perform scanning in a row direction and a column direction to read the signal having been sampled and held by the sample-hold unit, an A/D conversion unit configured to perform analog/digital conversion processing on the signal read by the reading unit, an averaging processing unit configured to perform averaging processing on the signal converted by the A/D conversion unit, for each pixel, and a digital binning unit configured to perform binning processing using the signal processed by the averaging processing unit. 1. An imaging apparatus , comprising:a sensor including a plurality of pixels arranged in a two-dimensional pattern, a sample-hold unit configured to sample and hold a signal obtained from each of the plurality of pixels, and a reading unit configured to perform scanning in such a way as to perform a plurality of non-destructive reading operations for pixels of one row and as to read pixels of the next row, and to subsequently perform scanning in a row direction and a column direction to read the signal having been sampled and held by the sample-hold unit;an A/D conversion unit configured to perform analog/digital conversion processing on the signal read by the reading unit;an averaging processing unit configured to perform averaging processing on the signal having been analog/digital converted by the A/D conversion unit, for each pixel; anda digital binning unit configured to perform binning processing using the signal having been averaging processed by the averaging processing unit.2. The imaging apparatus according to claim 1 , further comprising:a ...

IMAGE RECONSTRUCTION SYSTEM, APPARATUS, AND METHOD EMPLOYING NON-SEQUENTIAL SCANNING SCHEME USING REAL-TIME FEEDBACK

An image reconstruction system, apparatus, and method employing a non-sequential scanning scheme using real-time feedback are provided. A projection information generating unit is configured to generate at least one piece of projection information by the X-ray irradiated to the object in the at least one viewpoint. A projection information comparing unit is configured to compare predicted intermediate projection information with measured intermediate projection information from the generated projection information. The predicted intermediate projection information is predicted from pieces of projection information generated from different viewpoints, and the measured intermediate projection information is measured in an intermediate viewpoint corresponding to the predicted intermediate projection information. A determining unit is configured to determine whether to irradiate the X-ray to the object in an additional viewpoint. An image reconstructing unit is configured to reconstruct the generated projection information, and to acquire an image representing the object. 1. An image reconstruction system employing a non-sequential scanning scheme , the image reconstruction system comprising:a projection information generating unit configured to generate a piece of projection information by an X-ray irradiated to an object in a viewpoint;a projection information comparing unit configured to compare predicted intermediate projection information with measured intermediate projection information from the generated projection information, wherein the predicted intermediate projection information is predicted from pieces of projection information generated from different viewpoints, and the measured intermediate projection information is measured in an intermediate viewpoint corresponding to the predicted intermediate projection information;a determining unit configured to determine whether to irradiate the X-ray to the object in an additional viewpoint based on a result of ...

X-Ray Inspector

Provided is an X-ray inspector capable of non-destructively measuring a shape and content of gold (Au) contained in an object to be inspected, promptly with high accuracy. An X-ray inspector includes: an X-ray generator that irradiates an object to be inspected with X-rays having energy of 90 keV or higher; X-ray detector that detects the X-rays transmitted through the object to be inspected; a computing section that measures a shape and content of Au contained in the object to be inspected based on an X-ray signal detected by the X-ray detector, wherein an Au filter and a Pt filter are respectively provided between the X-ray detector and the object to be inspected. The X-ray detector detects X-rays emitted from the X-ray generator and transmitted through the object to be inspected and the Au filter and X-rays emitted from the X-ray generator and transmitted through the object to be inspected and the Pt filter. The computing section measures the shape and the content of Au contained in the object to be inspected based on X-ray signals corresponding respectively to the X-rays.

METHOD FOR CHARACTERIZING FLAME AND SPRAY STRUCTURES IN WINDOWLESS CHAMBERS

Method for detecting variations in gas density within a volume surrounded by a closed metal wall opaque to optical light includes a source of x-rays positioned at a selected location outside the closed metal wall. Positioning a detector outside the closed metal wall at a location suitable to detect x-rays from the source passing entirely through a portion of the volume surrounded by the closed metal wall. Providing the detector with a plurality of sensors arranged in at least one row to capture a dimensionally distributed view of detected x-rays. Coupling a processor to an output of the detector to analyze the data which can be displayed in a suitable graphical or pictorial presentation, including processing the data to correct for any beam hardening of the x-rays as they pass through the closed metal wall, to apply the Maximum Likelihood Estimation method to generate on the display a reconstructed image of the gas density, and to use Inverse Radon Transforms for deconvolution. A dopant can be added to enhance the interaction with the x-rays. 1. A method for detecting variations in gas density within a volume surrounded by a closed metal wall , comprising:positioning a source of x-rays at a selected location outside the closed metal wall surrounding a flow of gas,positioning a detector outside the closed metal wall at a location suitable to detect x-rays passing entirely through a portion of the volume surrounded by the closed metal wall, the detector having a plurality of sensors arranged in at least one row to capture a dimensionally distributed view of detected x-rays and an output providing data reflecting the distributed view,coupling a processor to the output of the detector to analyze the data, andproviding a display to show results of the processor analysis.2. The method of claim 1 , further comprising adding a dopant to the flow of gas.3. The method of claim 2 , wherein the dopant consists essentially of one or more noble gases.4. The method of claim 3 , ...

TARGET STRUCTURE AND RADIATION GENERATING APPARATUS

A radiation-transmissive type target structure includes a target layer formed on a substrate. The target layer has a thickness equal to or less than 20 μm, and is configured to generate radiation in response to irradiation of electrons. A surface of the target layer is formed with projecting portions and depressed portions, the depressed portions have a depth of at least half the thickness of the target layer. Advantageously, separation of the target layer at an interface between the substrate and the target layer is substantially prevented. A radiation generating apparatus and a radiography system equipped with the target structure are also disclosed. 1. A radiation-transmissive type target structure comprising:a target layer formed on a substrate, the target layer being configured to generate radiation in response to irradiation of electrons and having a thickness equal to or less than 20 μm,wherein a surface of the target layer is formed with projecting portions and depressed portions, andwherein the depressed portions have a depth of at least half the thickness of the target layer.2. The radiation-transmissive type target structure according to claim 1 , wherein the target layer is divided into a plurality of parts by the depressed portions.3. The radiation-transmissive type target structure according to claim 1 , wherein the depressed portions have an average width from 0.1 μm to 20 μm.4. The radiation-transmissive type target structure according to claim 1 , wherein the projecting portions have an average width from 1 μm to 100 μm.5. The radiation-transmissive type target structure according to claim 1 , wherein an intermediate layer is formed between the substrate and the target layer.6. The radiation-transmissive type target structure according to claim 1 , wherein a protective layer is formed so as not to cover the depressed portions and so as to cover the target layer.7. A radiation generating apparatus comprising:an electron emitting source configured to ...

Multi-Linear X-Ray Scanning Systems and Methods for X-Ray Scanning

An x-ray scanner includes an x-ray source producing a fan of x-rays, an x-ray detector array, a collimator between the source and array, fixed to the source, and defining one or more slits collimating the x-ray fan into a linear x-ray beam. The array is spaced from the source such that a linear extent of the linear x-ray beam is no greater than a detector dimension of the array. An x-ray processing unit processes detection of the linear x-ray beam by the array. A processor-controlled motor moves the x-ray source about a source movement axis to pan the linear x-ray beam and create an x-ray emission cone and moves the array correspondingly with the source. The x-ray processing unit form an x-ray scanned image of an object disposed between the collimator and the array within the x-ray emission cone when the linear x-ray beam is panned across the object. 1. An x-ray scanner , comprising:an x-ray source operable to produce a fan beam of x-rays and to move about a source movement axis; having a detector dimension;', 'having a plurality of time delay and integration (TDI) detector arrays each having a height dimension; and', 'being operable to detect x-rays from the x-ray source along the detector dimension;, 'at least one x-ray detector arrayat least one collimator disposed between the x-ray source and the at least one x-ray detector array, fixed to the x-ray source, and defining a plurality of lateral slits to collimate the fan beam of x-rays into a plurality of lateral beams such that the lateral beams have a height dimension that is the same as the height dimension of the TDI detector arrays;a first motor operable to move the at least one collimator;a second motor operable to move the TDI detector arrays; to control the first and second motors;', 'to process detection of the x-rays by the at least one x-ray detector array; and', 'to form an x-ray scanned image of an entity disposed between the at least one collimator and the at least one x-ray detector array such that ...

Method for Radiographically Inspection a Component by Means of X-ray Beams Using a Smoothing Agent and Smoothing Agent for Carrying Out the Method

The present invention relates to a method for radiographically inspecting a component by means of X-rays, where at least one component surface to be radiographed is provided with a surface structure, with at least the surface provided with the surface structure being smoothed by means of a smoothing material to level out the surface structure, with at least one organic compound and at least one metal powder being used as smoothing material, with the X-ray absorption behaviour of the smoothing material essentially equaling the X-ray absorption behaviour of the material of the component, as well as to a smoothing material for carrying out the method in accordance with claim. 1. Method for radiographically inspecting a component by means of X-rays , where at least one component surface to be radiographed is provided with a surface structure , characterized in that at least the surface provided with the surface structure is smoothed by means of a smoothing material to level out the surface structure , with at least one organic compound and at least one metal powder being used as smoothing material , with the X-ray absorption behaviour of the smoothing material essentially equaling the X-ray absorption behaviour of the material of the component.2. Method in accordance with claim 1 , characterized in that smoothing material for smoothing the surface structure is applied in thicknesses between 0.1 mm and 10 mm.3. Method in accordance with claim 1 , characterized in that a metal powder having a particle size of max. 10 μm is used.4. Method in accordance with claim 1 , characterized in that a metal powder is used that has a greater half-value thickness than the material of the component.5. Method in accordance with claim 1 , characterized in that the smoothing material after radiographic inspection is removed from the surface structure and re-used.6. Method in accordance with claim 1 , characterized in that the smoothing material is applied in a manual or automated manner ...

RADIOGRAPHY TEST SYSTEM AND METHOD

A system and method for monitoring degradation of a device having a metal layer and a composite layer, such as a vehicle-mounted boom arm. The system can include a collar mounted on an outer surface of the device, a radiography device movably coupled to the collar, and a monitor. The radiography device can include a source of radiography signals positioned to direct radiography signals through at least a portion of the device and a detector to detect radiography signals that have passed through the device. The monitor can be connected to the detector to display an image of the device generated from the detected radiography signals. Anomalies in the device image can represent degradation in the device. 120-. (canceled)21. A method of non-destructively examining degradation on an interior of a device having a metal layer bonded to a composite layer , the method comprising:directing radiography signals through a region of interest of the device, the region of interest including the metal layer and the composite layer;detecting radiography signals that have passed through the device;generating an image of the metal layer and the composite layer at the region of interest from the detected radiography signals; and 'wherein directing radiography signals through the region of interest further comprises rotating a source of radiography signals around at least a portion of an outer circumference of the device.', 'identifying degradation in the region of interest from the image;'}22. A method of non-destructively examining degradation on an interior of a device having a metal layer bonded to a composite layer , the method comprising:directing radiography signals through a region of interest of the device, the region of interest including the metal layer and the composite layer;detecting radiography signals that have passed through the device;generating an image of the metal layer and the composite layer at the region of interest from the detected radiography signals; ...

X-RAY IMAGING APPARATUS

An X-ray imaging apparatus for imaging an object to be inspected includes a grating that forms a periodic pattern using an X-ray from an X-ray source and a detector that detects the periodic pattern. In the X-ray imaging apparatus, when θ is an angle formed between a first direction, which is a periodic direction of the periodic pattern in a plane that is perpendicular to an optical axis of the X-ray, and a line parallel to an X-ray receiving surface of the detector in the plane, and θ is a grazing angle of the X-ray relative to the X-ray receiving surface, 2. The X-ray imaging apparatus according to claim 1 ,wherein the angle formed between the surface of the grating and the optical axis of the X-ray is from 60 to 90°.3. The X-ray imaging apparatus according to claim 1 ,{'b': 1', '2, 'wherein |90°−θ|<θ.'}4. The X-ray imaging apparatus according to claim 1 ,wherein the grating is a diffraction grating that causes the X-ray to diffract, and wherein the periodic pattern is an interference pattern formed by beams of the diffracted X-ray interfering with one another.5. The X-ray imaging apparatus according to claim 1 ,wherein a plurality of the X-ray receiving surfaces are provided.6. The X-ray imaging apparatus according to claim 1 ,wherein the detector includes an X-ray conversion layer, and{'b': 0', '0', '2, 'wherein, when p is a pitch of the periodic pattern in the first direction in a plane that is perpendicular to the optical axis of the X-ray and intersects the X-ray receiving surface, a thickness of the X-ray conversion layer is equal to or smaller than p/(2 cos θ).'}7. The X-ray imaging apparatus according to claim 1 , further comprising:an orientation adjustment unit that adjusts an orientation of the X-ray receiving surface,wherein the periodic pattern also has a period in a second direction that intersects the first direction,wherein the orientation adjustment unit causes the X-ray receiving surface to assume a first orientation and a second orientation that ...

DIFFERENTIAL PHASE-CONTRAST IMAGING

The present invention relates to differential phase-contrast imaging, in particular to a structure of a diffraction grating, e.g. an analyzer grating and a phase grating, for X-ray differential phase-contrast imaging. In order to make better use of the X-ray radiation passing the object, a diffraction grating () for X-ray differential phase-contrast imaging is provided with at least one portion () of a first sub-area () and at least one portion () of a second sub-area (). The first sub-area comprises a grating structure () with a plurality of bars () and gaps () being arranged periodically with a first grating pitch P G (), wherein the bars are arranged such that thy change the phase and/or amplitude of an X-ray radiation and wherein the gaps are X-ray transparent. The second sub-area is X-ray transparent and wherein the at least one portion of the second sub-area provides an X-ray transparent aperture () in the grating. Portions of the first and second sub-areas are arranged in an alternating manner in at least one direction (). 11415. A diffraction grating ( , ) for X-ray differential phase-contrast imaging , comprising{'b': 24', '26, 'at least one portion () of a first sub-area (); and'}{'b': 28', '30, 'at least one portion () of a second sub-area ();'}{'b': 54', '34', '36', '38, 'sub': 'G1', 'wherein the first sub-area comprises a grating structure () with a plurality of bars () and gaps () being arranged periodically with a first grating pitch P(); wherein the bars are arranged such that they change the phase and/or amplitude of an X-ray radiation and wherein the gaps are X-ray transparent;'}{'b': '40', 'wherein the second sub-area is X-ray transparent and wherein the at least one portion of the second sub-area provides an X-ray transparent aperture () in the grating;'}{'b': '42', 'wherein portions of the first and second sub-areas are arranged in an alternating manner in at least one direction (), such that during one image acquisition step, phase-contrast ...

Methods and Apparatus for the Preparation of Microscopy Samples by Using Pulsed Light

Methods and apparatus are disclosed for the preparation of microscopic samples using light pulses. Material volumes greater than 100 μmare removed. The methods include inspecting an object with a scanning electron microscope (SEM) or a focused ion beam (FIB). The inspection includes recording an image of the object. The methods also includes delineating within the object a region to be investigated, and delineating a laser-machining path based on the image of the object so that a sample can be prepared out of the object. The methods further include using laser-machining along the delineated laser-machining path to remove a volume that is to be ablated, and inspecting the object with the scanning electron microscope (SEM) or a focused ion beam (FIB). 1. A method , comprising:determining a path of an object to be processed based on an image of the object so that a sample can be prepared from the object, the image being determined using a scanning electron microscope or a focused ion beam; and{'sup': '3', 'exposing the path to laser light pulses to remove a volume from the object, the volume being greater than 100 μm.'}2. The method of claim 1 , further comprising claim 1 , after exposing the path to the laser light pulses claim 1 , inspecting the object with the scanning electron microscope or the focused ion beam.3. The method of claim 1 , wherein the object is not observed while being exposed to the laser light pulses.4. The method of claim 1 , further comprising claim 1 , after removing the volume of the sample claim 1 , inspecting surface areas of the object produced by the laser light pulses using the focused ion beam.5. The method of claim 1 , wherein the method comprising:transferring the object from a first process chamber, which is part of the scanning electron microscope and/or part of an ion microscope, into a second process chamber, which is part of a laser-machining system; andsubsequently transferring the object from the second process chamber into the ...

METHOD AND C-ARM SYSTEM FOR ACQUISITION OF A TWO-DIMENSIONAL, X-RAY PROJECTION IMAGE

In a C-arm system and a method for image acquisition of an x-ray projection image, wherein the projection region of the subject that is to be images is larger than the maximum projection region covered by a stationary x-ray beam, and to generate a complete exposure of the entire projection region to be imaged, at least two individual projection exposures are generated and combined. The generation of the at least two individual exposures takes place with a focus that is stationary relative to the subject and with a modified spatial angle of the emitted x-ray beam. 1. A method for generating a two-dimensional x-ray projection image that is free of parallax error using a C-arm system comprising a C-arm on which an x-ray source and a radiation detector are mounted opposite each other , said x-ray source emitting , from a focus , an x-ray beam having a solid angle , said method comprising:acquiring image data with said radiation detector from a projection region of a subject located between said x-ray source and said radiation detector, said projection region being larger than a maximum projection region covered by said solid angle of said x-ray beam when said x-ray beam is stationary, by irradiating the subject with said x-ray beam to acquire at least two individual projection exposures of the subject with said focus of said x-ray source being stationary relative to said subject and with said solid angle being modified respectively for acquiring said at least two individual exposures;supplying said image data to a processor and, in said processor, generating a complete exposure of an entirely of said projection region from said at least two individual exposures, said complete exposure being free of parallax error due to said focus being stationary while acquiring the image data respectively for said at least two individual exposures; andin said processor, generating a data file representing said complete exposure and making said data file available at an output of said ...

TRANSMISSION X-RAY ANALYZER

A transmission X-ray analyzer () for detecting a transmission X-ray image of a sample () that is continuous in a band shape includes: a TDI sensor (); an X-ray source () arranged opposed to a TDI sensor; a pair of support rollers () arranged away from the TDI sensor between the TDI sensor and the X-ray source, the pair of support rollers being configured to transport the sample to a detection position of the TDI sensor while keeping a constant interval between the TDI sensor and the sample; and a pair of outside rollers () arranged respectively on an outer side of the pair of support rollers in a transportation direction (L). One of the pair of support rollers and one of the pair of outside rollers are arranged at different positions as to apply a tension to the sample between the pair of support rollers. 1. A transmission X-ray analyzer for detecting a transmission X-ray image of a sample that is continuous in a band shape and moves in a predetermined transportation direction , the transmission X-ray analyzer comprising: the TDI sensor comprising a plurality of stages of line sensors including the plurality of two-dimensionally arranged image pickup devices arranged in a direction perpendicular to the predetermined transportation direction, the plurality of stages of line sensors being arranged in the predetermined transportation direction,', 'the TDI sensor being configured to transfer charge accumulated in one line sensor to an adjacent subsequent line sensor;, 'a time delay and integration (TDI) sensor comprising a plurality of two-dimensionally arranged image pickup devices for reading charge generated when an image derived from the transmission X-ray image is subjected to photoelectric conversion,'}an X-ray source arranged so as to be opposed to the TDI sensor; 'the pair of support rollers being configured to transport the sample to a detection position of the TDI sensor while keeping a constant interval between the TDI sensor and the sample; and', 'a pair of ...

X-RAY CT SYSTEM AND CONTROL PROGRAM

The X-ray CT system and control program thereof according to the embodiment comprise an X-ray tube, a collimator, and a controller. The X-ray tube has an emission surface of X-rays and is configured such that the size of an effective focal spot that is the apparent size of the emission surface when the emission surface is observed from the side where X-rays are irradiated is made smaller at one end of a cone angle and the size of the effective focal spot is made increasingly larger at the other end of the cone angle. The controller is configured to select the effective focal spot with any size from small to large by controlling the collimator. 1. An X-ray CT system configured to irradiate X-rays having a cone angle onto a subject such that they spread from an X-ray tube while rotating the X-ray tube and an X-ray detector around the subject mounted on top , and obtain projection data based on the X-rays transmitted through the subject and detected by the X-ray detector , comprising:a collimator configured to limit the irradiation range of the X-rays for the subject, anda controller configured to control said collimator,wherein said X-ray tube has an emission surface of the X-rays, and said X-ray tube is configured such that the size of an effective focal spot that is the apparent size of the emission surface when the emission surface is observed from the side in which X-rays are irradiated is made smaller at one end of the cone angle, while the size of the effective focal spot is made to become increasingly larger toward other end of the cone angle, andsaid controller is configured to select the effective focal spot with any size from small to large by controlling the collimator.2. The X-ray CT system according to claim 1 , wherein claim 1 , further claim 1 , said controller controls said collimator in accordance with the conditions that the X-rays are irradiated.3. The X-ray CT system according to claim 1 , wherein claim 1 , further claim 1 , said controller is ...

Grating for phase contrast imaging

The present invention relates to foil-gratings for X-ray differential phase-contrast imaging, a detector arrangement and an X-ray imaging system for generating phase-contrast images of an object and a method of producing a foil-grating. In order to provide gratings with a high aspect ratio, a foil-grating ( 40 ) for X-ray differential phase-contrast imaging is provided with a first foil ( 42 ) of X-ray absorbing material; and at least a second foil ( 44 ) of X-ray absorbing material. The at least two foils each comprise a plurality of X-ray absorbing stripes spaced from each other by X-ray transparent apertures, wherein the first foil comprises a first plurality ( 46 ) of first stripes ( 48 ) with a first width w 1 ( 50 ), and a first plurality ( 52 ) of first apertures ( 54 ) with a first opening width w O1 ( 56 ) arranged periodically with a first pitch p 1 ( 58 ), and wherein the second foil comprises a second plurality ( 60 ) of second stripes ( 62 ) with a second width w 2 ( 64 ), and a second plurality ( 66 ) of second apertures ( 68 ) with a second opening width w O2 ( 70 ) arranged periodically with a second pitch p 2 ( 72 ). The at least two foils are arranged displaced to each other such that the second stripes are positioned in front of the first apertures such that for the passage of X-ray radiation a plurality ( 74 ) of resulting slits ( 76 ) is provided with a resulting slit width W R ( 78 ) that is smaller than the first w O1 and the second opening width w O2 . The at least two foils are fixedly attached to each other.

X-RAY SYSTEM AND METHOD FOR GENERATING 3D IMAGE DATA

The present invention relates to an X-ray system and method for generating 3D image data. The X-ray system comprises a radiation detector, a movable X-ray tube assembly and a control unit, wherein in a working state of the system the radiation detector is detachably positioned in a spatially fixed manner and the X-ray tube assembly can be moved into relative positions relative to the radiation detector. Projection images recorded in the relative positions can be processed together with the coordinates of the relative positions using an iterative reconstruction technique or other image processing methods so as to obtain 3D X-ray images. The X-ray tube assembly is attached to a motor-driven movable stand arm and can be displaced using a control unit. The stand base of the movable stand can be positioned in a spatially fixed manner, so that it has a defined fixed position relative to the radiation detector. 1. An X-ray system for generating 3D image data , comprising a radiation detector , a movable X-ray tube assembly and a control unit , wherein in a working state of the system the radiation detector is detachably positioned in a spatially fixed manner and defines a locally fixed base coordinate system , and the X-ray tube assembly can be moved relative to the radiation detector into different relative positions so as to record X-ray projection images , wherein projection images recorded in the relative positions , combined with the coordinates of the relative positions , can be processed using an iterative reconstruction technique or other image processing methods to obtain 3D X-ray images , and wherein the system comprises a movable stand having a motor-driven movable stand arm and a stand base , wherein the X-ray tube assembly is attached to the stand arm and can be moved in at least four degrees of freedom , and the stand base comprises fastening devices for the spatially fixed positioning and , in the working state , is positioned in a spatially fixed manner ...

High-Speed Security Inspection System

The present specification discloses a high speed scanning system for scanning cargo carried by rail. The system uses of a two-dimensional X-ray sensor array with, in one embodiment, a cone-beam X-ray geometry. The pulse rate of X-ray source is modulated based on the speed of the moving cargo to allow a distance travelled by the cargo between X-ray pulses to be equal to the width of the detector, for a single energy source, and to half the width of the detector for a dual energy source. This ensures precise timing between the X-ray exposure and the speed of the passing object, and thus accurate scanning of cargo even at high speeds. 1. An X-ray system for scanning moving cargo , the system comprising:an X-ray source for generating a cone-beam of X-rays to irradiate the moving cargo, wherein the moving cargo travels along a linear trajectory perpendicular to the plane of the cone-beam of X-rays;at least one two-dimensional detector array to receive the cone-beam of X-rays transmitted through the moving cargo, wherein said X-ray source and said at least one detector array are placed on opposite sides of the moving cargo;a sensor to measure a speed of the moving cargo; anda control system for receiving data indicative of said speed from the sensor and modulating at least one of a pulse rate and energy level of the cone-beam of X-rays based upon the speed of the moving cargo and a dimension of said detector array.2. The system of wherein the X-ray source is a single energy source.3. The system of claim 2 , wherein the control system modulates the pulse rate such that a distance travelled by the moving cargo between X-ray pulses is substantially equal to a width of the detector array.4. The system of wherein the X-ray source is a dual energy source.5. The system of claim 4 , wherein the control system modulates the pulse rate such that a distance travelled by the moving cargo between X-ray pulses is substantially equal to half a width of the detector.6. The system of ...

Methods for High Energy X-ray Imaging Using Remotely-Aligned Arcuate Detector Array

Methods for inspecting contents of a container. High-energy penetrating radiation collimated into a fan beam illuminates an inspected container from one side, while a plurality of detector plates are disposed on the opposite side of the container. Each detector plate has a plurality of detector modules, each of which, in turn, is disposed on a remotely activated alignment and has multiple detector elements. A controller governs the orientation of each of the plurality of detector plates based at least on the detector signal generated by its detector elements such that each detector element of each detector module of each detector plate may be aligned to within a specified fraction of the transverse dimension of the fan beam as measured at the exit slot. 1. A method for deriving one or more specified characteristics of an inspected object , the method comprising:a. activating a single source of energetic particles to generate a fan beam of energetic particles;b. detecting the fan beam of energetic particles with a plurality of detector modules, the plurality of detector modules distributed among a plurality of detector plates arcuately disposed at a distance from the single source of energetic particles, each of the detector modules comprising a plurality of detector elements, and each of the detector modules disposed on a remotely activated alignment plate,c. aligning the plurality of detector modules on the basis of a detection signal generated by each of the detector elements due to activation of the single source of energetic particles;d. irradiating the inspected object with a plurality of pulses of penetrating radiation;e. detecting the penetrating radiation after traversal of the inspected object thereby and generating an imaging signal; andf. processing the imaging signal to derive an image of the inspected object.2. A method in accordance with claim 1 , wherein the remotely activated alignment plate is identical to the detector plate.3. A method in ...

X-RAY IMAGING APPARATUS, CONTROL DEVICE, RADIATION IMAGING APPARATUS, AND METHOD OF CONTROLLING THE SAME

For image data being transferred last of a plurality of image data captured in a first imaging mode, a retransmission timeout time is set different from a retransmission timeout time for at least one image data different from image data, of the plurality of image data, which is transferred last. 1. A control device which performs radiation imaging by controlling a digital radiation imaging apparatus , the device comprising:a detection unit which detects an imaging instruction in a specific imaging mode;a transferring unit which transfers outside radiation image data obtained by the digital radiation imaging;a control unit which executes retransmission processing within a retransmission timeout time when the transfer fails; anda setting unit which sets, for image data being transferred last of a plurality of image data captured in a first imaging mode, a retransmission timeout time different from a retransmission timeout time for at least one image data different from image data, of the plurality of image data, which is transferred last.2. The device according to claim 1 , wherein said setting unit sets claim 1 , as a retransmission timeout time for the image data transferred last claim 1 , a value larger than a retransmission timeout time for at least one image data different from the image data transferred last.3. The device according to claim 1 , wherein said setting unit sets claim 1 , as a retransmission timeout time for the image data transferred last claim 1 , a value smaller than a retransmission timeout time for at least one image data different from the image data transferred last or 0.4. A method of controlling a control device which performs radiation imaging by controlling a digital radiation imaging apparatus claim 1 , the method comprising:a detection step of detecting an imaging instruction in a specific imaging mode;a transferring step of transferring outside radiation image data obtained by the digital radiation imaging;a control step of executing ...

Image Processing Device of a Computer Tomography System

An image processing device of a computer tomography system includes an interface and a calibration data determiner. The interface is implemented to receive a first set of X-ray recordings of an object to be examined from first discrete recording angles and to receive a second set of X-ray recordings of the object to be examined from second discrete recording angles. The calibration data determiner is implemented to determine calibration data for the computer tomography system on the basis of the first set. The first set is further recorded during a first rotation run wherein the computer tomography system and the object to be examined rotate relative to each other, wherein the second set is recorded during at least a further rotation run after the first rotation run. On the basis of the calibration data and the first and second sets a computer tomography recording is reconstructable. 1. An image processing device of a computer tomography system , comprising:an interface which is implemented to receive a first set of X-ray recordings of an object to be examined from first discrete recording angles and to receive a second set of X-ray recordings of the object to be examined from second discrete recording angles; anda calibration data determiner which is implemented to determine calibration data for the computer tomography system on the basis of the first set;wherein the first set is recorded during a first rotation run wherein the computer tomography system and the object to be examined rotate relative to each other and wherein the second set is recorded during at least a further rotation run after the first rotation run,wherein a computer tomography recording is reconstructable on the basis of the calibration data and on the basis of the first and second sets,wherein the first discrete recording angles differ from the second discrete recording angles.2. The image processing device according to claim 1 , wherein the calibration data comprise geometrical data of the ...

Radiographic phase-contrast imaging apparatus

A radiographic phase-contrast imaging apparatus obtains a phase-contrast image using two gratings including the first grating and the second grating. The first and second gratings are adapted to form a moire pattern when a periodic pattern image formed by the first grating is superimposed on the second grating. Based on the moire pattern detected by the radiographic image detector, image signals of the fringe images, which correspond to pixel groups located at different positions with respect to a predetermined direction, are obtained by obtaining image signals of pixels of each pixel group, which includes pixels arranged at predetermined intervals in the predetermined direction, as the image signal of each fringe image, where the predetermined direction is a direction parallel to or intersecting a period direction of the moire pattern other than a direction orthogonal to the period direction. Then, a phase-contrast image is generated based on the obtained fringe images.

RADIATION IMAGING APPARATUS

A radiation imaging apparatus according to the present invention includes a radiation source, a reflective structure where at least three reflective substrates are arranged with an interval and radiations being incident into a plurality of passages whose both sides are put between the reflective substrate are reflected and parallelized by the reflective substrate at both sides of the passage to be emitted from the passage, a radiation detector, and an image construction unit that constructs an image of an object based on an intensity of the radiation which is emitted from each of the passages, transmits the object and is detected by the radiation detector. When one edge of the reflective structure is an inlet of the radiation and the other edge is an outlet of the radiation, a pitch of the reflective substrates at the outlet is larger than a pitch at the inlet. 1. A radiation imaging apparatus , comprising:a radiation source; at least three reflective substrates are arranged with an interval, and', 'radiations which are incident into a plurality of passages, both sides of each passage being put between the reflective substrate, are reflected and parallelized by the reflective substrate at both sides of the passage to be emitted from the passage;, 'a reflective structure in which'}a radiation detector; andan image construction unit is arranged to construct an image of an object based on an intensity of the radiation which is emitted from each of the passages, transmits the object, and is detected by the radiation detector,wherein when one edge of the reflective structure is an inlet of the radiation and the other edge is an outlet of the radiation, a pitch of the reflective substrates at the outlet is larger than a pitch of the reflective substrates at the inlet.2. The radiation imaging apparatus according to claim 1 , wherein when a virtual plane is set in a position which is separated from the reflective substrates at both sides of the passage with the same ...

System for measuring sample pore using computed tomography and standard sample and method thereof

The present invention relates to a system for measuring a sample pore using a computed tomography (CT) and a standard sample and to a method thereof, more particularly to a system for measuring a sample pore using a computed tomography (CT) and a standard sample and to a method thereof, wherein the number of pixels in the count range of a cross-sectional image of the measurement sample and the number of pixels corresponding to the gray level range of the pore are calculated with reference to the count range utilized in the cross-sectional image of the standard sample and the gray level range of the pore so as to accurately measure the porosity of the measurement sample after performing a CT scan of the standard sample and the measurement sample together using a CT scanner.

X-Ray Tomographic Inspection Systems for the Identification of Specific Target Items

The present specification discloses an X-ray scanning system with a non-rotating X-ray scanner that generates scanning data defining a tomographic X-ray image of the object and a processor executing programmatic instructions where the executing processor analyzes the scanning data to extract at least one parameter of the tomographic X-ray image and where the processor is configured to determine if the object comprises a liquid, sharp object, narcotic, currency, nuclear materials, cigarettes or fire-arms. 1. An X-ray scanning system comprising:a. a non-rotating X-ray scanner that generates scanning data defining a tomographic X-ray image of the object; andb. a processor executing programmatic instructions wherein said executing processor analyzes the scanning data to extract at least one parameter of the tomographic X-ray image and wherein said processor is configured to determine if said object is a bottle containing a liquid.2. The X-ray scanning system of wherein said processor executes programmatic instructions to allocate the object to one of a plurality of categories on the basis of the at least one parameter.3. The X-ray scanning system of wherein said programmatic instructions comprise at least one parameter extractor for identifying at least one predefined feature in the tomographic X-ray image wherein said predefined feature comprises a plurality of low level parameters of the X-ray image.4. The X-ray scanning system of wherein said programmatic instructions comprise at least one decision tree for constructing high level parameters based upon the identified low level parameters of the X-ray image.5. The X-ray system of wherein said high level parameters include a contiguous volume claim 4 , a predetermined shape claim 4 , or a mean reconstructed density of the contiguous volume.6. The X-ray scanning system of further comprising a database search tool for mapping the constructed high level parameters of the X-ray image to predefined data stored in a database ...

X-RAY COMPOSITE APPARATUS

There is provided an X-ray composite apparatus capable of performing, with one unit, X-ray CT and element analysis by fluorescent X-rays. The X-ray composite apparatus includes an X-ray source generating cone beam X-rays, a sample support holding a sample S, collimator parts and capable of narrowing the cone beam X-rays to form parallel X-rays, depending on the intended use, between the X-ray source and the sample support , a two-dimensional detector detecting the cone beam X-rays transmitted through the sample S, and a fluorescent X-ray detector detecting fluorescent X-rays radiated from the sample S, and when the apparatus is used for X-ray CT, the apparatus irradiates the sample with the cone beam X-rays, while when the apparatus is used for fluorescent X-ray analysis, the apparatus irradiates the sample S with the parallel X-rays. 1. An X-ray composite apparatus comprising:an X-ray source generating cone beam X-rays;a sample support holding a sample to be irradiated with the cone beam X-rays;a collimator part capable of narrowing the cone beam X-rays to form parallel X-rays, depending on the intended use, between the X-ray source and the sample support;a two-dimensional detector detecting the cone beam X-rays transmitted through the sample; anda fluorescent X-ray detector detecting the fluorescent X-rays radiated from the sample, whereinwhen the apparatus is used for the X-ray CT, the apparatus irradiates the sample with the cone beam X-rays, while when the apparatus is used for the fluorescent X-ray analysis, the apparatus irradiates the sample with the parallel X-rays formed by the collimator part.2. The X-ray composite apparatus according to claim 1 , further comprising:a two-dimensional detector detecting the cone beam X-rays transmitted through the sample or the X-rays diffracted by the sample, whereinwhen the apparatus is used for the X-ray diffraction analysis, the apparatus irradiates the sample with the parallel X-rays formed by the collimator part.3. ...

Cargo Scanning System with Boom Structure

The present application is a self-contained mobile inspection system and method and, more specifically, improved methods and systems for detecting materials concealed within a wide variety of receptacles and/or cargo containers. In particular, the present application is an improved method and system for inspecting receptacles and/or cargo containers using a single boom placed on a turntable with pivot points to allow for folding and unfolding of the boom, such that the inspection system is relatively compact in a stowed configuration and has a low center of gravity lending to greater stability. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. (canceled)20. (canceled)21. A cargo inspection system comprising:a vehicle having a back surface; a first section, having a first end and a second end, wherein said first section is in a first plane and is movably coupled, at the first end, to the back surface of the vehicle and wherein said first plane is substantially parallel to a plane defined by the back surface of the vehicle;', 'a second section having a first end and a second end, wherein said second section is substantially parallel to the first section, and wherein the first end of the second section is movably connected to the second end of the first section; and, 'a boom structure having a stowed configuration and an operational configuration, wherein the stowed configuration comprises said first section, in a second plane, wherein said second plane is substantially perpendicular to the plane defined by the back surface of the vehicle; and', 'said second section, wherein said second section is substantially perpendicular to the first section and wherein the first end of the second section is movably connected to the second end of the first section; and, 'wherein the ...

X-RAY COMPUTED TOMOGRAPHY APPARATUS

According to one embodiment, an X-ray computed tomography apparatus includes a rotating frame rotatably supporting an X-ray tube and an X-ray detector detecting X-rays transmitted through an object on a top, a plan storage unit storing a plan for sequentially executing scans to acquire projection data sets with rotation of the rotating frame, a scan information storage unit storing scan information including projection data sets, and a scan control unit determining positions of the rotating frame and the top based on the plan and the scan information when the plan is interrupted and resuming at least one of the plurality of scans in the plan. 1. An X-ray computed tomography apparatus comprising:a rotating frame configured to rotatably support an X-ray tube configured to generate X-rays and an X-ray detector configured to detect X-rays transmitted through an object on a top;a plan storage unit configured to store a plan for sequentially executing a plurality of scans to acquire a plurality of projection data sets with rotation of the rotating frame;a scan information storage unit configured to store scan information including the plurality of projection data sets; anda scan control unit configured to determine a position of the rotating frame and a position of the top based on the plan and the scan information when the plan is interrupted, and to resume at least one of the plurality of scans in the plan.2. The apparatus of claim 1 ,wherein the plurality of scans comprise at least one helical scan to acquire one or more of the projection data sets through X-ray irradiation during movement of the top, andwherein the scan control unit is configured to resume the helical scan when the helical scan is interrupted, such that:if a number of the projection data sets for the helical scan that are stored in the scan information storage unit is equal to or greater than a predetermined margin number, the scan control unit resumes the helical scan from the position of the ...

Method And System For Estimating Properties Of Porous Media Such As Fine Pore Or Tight Rocks

A method for estimating properties of porous media, such as fine pore or tight rocks, is provided. The method comprises digital image scanning of sequential sub-samples of porous media at progressively higher resolution to systematically identify sub-sections of interest within the original sample and then estimate properties of the porous media. The resulting properties of the porous media then can be optionally upscaled to further estimate the properties of larger volumes of the porous media such as rock facies or subterranean reservoirs. A system operable for conducting the method also is provided.

Efficient Method For Selecting Representative Elementary Volume In Digital Representations Of Porous Media

The present invention relates a method to estimate representative elementary volume (REV) in a sample of porous media wherein the sub-volume selected is a better approximation of the elementary volume than existing methods. REV in a sample of porous media such as rock can be defined wherein the REV is selected with respect to the expected direction of fluid flow through the porous media. The method can quantify how good is the digital representation of a rock and how accurate a description of a fluid flow through Darcy's law will be, and allows the evaluation of different length scales in different directions for the REV and an assessment of the anisotropy of the pores structures when the method is applied in different directions. The method also can determine a robust criteria to understand when a trend of porosity-permeability breaks down due to an insufficient size of the subsample.

Imaging Devices with Solid-State Radiation Detector with Improved Sensitivity

A radiation detector includes a semiconductor substrate having opposing front and rear surfaces, a cathode electrode located on the front surface of the semiconductor substrate configured so as to receive radiation, and a plurality of anode electrodes formed on the rear surface of said semiconductor substrate. A work function of the cathode electrode material contacting the front surface of the semiconductor substrate is lower than a work function of the anode electrode material contacting the rear surface of the semiconductor substrate. 1. An x-ray radiation detector comprising:a semiconductor substrate having opposing front and rear surfaces;a cathode electrode located on the front surface of said semiconductor substrate configured so as to receive x-ray radiation; anda plurality of anode electrodes formed on the rear surface of said semiconductor substrate;wherein a work function of the cathode electrode material contacting the front surface of the semiconductor substrate is lower than a work function of the anode electrode material contacting the rear surface of the semiconductor substrate.2. The detector of claim 1 , wherein the x-ray radiation detector is part of a computed tomography scanning device.3. The detector of claim 2 , wherein the x-ray radiation detector is coupled with an x-ray radiation source.4. The detector of claim 3 , wherein the x-ray radiation source and x-ray radiation detector are mounted on a rotatable gantry.5. The detector of claim 3 , wherein the x-ray radiation detector is stationary and the x-ray radiation source is mounted on a movable gantry.6. The detector of claim 1 , wherein the work function of the cathode electrode material is less than about 4.5 eV claim 1 , and the work function of the anode electrode material is greater than or equal to about 4.8 eV.7. The detector of claim 1 , wherein the cathode electrode material comprises one of In claim 1 , Al claim 1 , and Ti.8. The detector of claim 1 , wherein the anode electrode ...

Rotatable drum assembly for radiology imaging modalities

Among other things, a rotatable drum for a radiology imaging modality is provided herein. The rotatable drum comprises a bore, defined by an inner circumference of a sidewall of the rotatable drum. In one embodiment, the sidewall comprises one or more apertures through which radiation may pass. By way of example, a radiation source and a detector array may be mounted outside of the bore (e.g., on an outside surface of the sidewall) and apertures in the sidewall may permit radiation to pass from the radiation source to the detector array without being attenuated by the sidewall of the drum. In another embodiment, the detector array may be comprised of a plurality of detector modules that may be individually mounted/dismounted from the rotatable drum, and in one example, may provide structural support to the rotatable drum.