Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 7439. Отображено 100.
20-02-2002 дата публикации

ОБЪЕМНЫЙ ЛАЗЕР НА СВОБОДНЫХ ЭЛЕКТРОНАХ

Номер: RU0000021843U1

1. Объемный лазер на свободных электронах, включающий пространственно модулированную электродинамическую систему, источник электронного пучка, устройство для пространственной ориентации электродинамической системы относительно пучка электронной, направляющее устройство для проводки электронного пучка относительно электродинамической системы, отличающийся тем, что пространственно модулированная электродинамическая система выполнена, ориентированной заданным законом образом относительно вектора скорости пучка электронов, так чтобы ее ориентация и пространственная периодичность были бы связаны условиями синхронизма и условиями многоволновой дифракции в соответствии со следующими уравнениями где - векторы обратной решетки, определяемые ориентацией и структурой решетки; - набор векторов обратной решетки; d - периоды пространственной решетки; k, l, m - целые числа, i=1,..., s + 1, где s + 1 - количество волн, принимающих участие в процессе дифракции; Ω - частота осцилляторного движения электрона во внешнем поле (если внешнее поле отсутствует, то Ω = 0), при этом пространственно модулированная электродинамическая система выполнена с возможностью управления ее ориентации относительно вектора скорости пучка электронов для достижения условий s-кратного вырождения дифракционных корней с зависимостью мнимой части решения дисперсного уравнения от плотности электронного пучка, определяемой выражением где g - коэффициент связи электромагнитной волны с электронным пучком. 2. Объемный лазер на свободных электронах, отличающийся тем, что он снабжен, по меньшей мере, двумя источниками электронного пучка с возможностью генерации пространственно разнесенных электронных пучков, преимущественно распространяющихся параллельно и/или концентрично расположенных друг относительно друга. 3. Объемный лазер на свободных электронах по п.1, отличающийся тем, что электродинамическая система выполнена, по меньшей мере, с одним каналом выбранного поперечного сечения для проводки электронного пучка ...

Подробнее
20-07-2003 дата публикации

Кварцевый резонатор

Номер: RU0000031178U1

Кварцевый резонатор в корпусе Э с кварцевой пластиной среза AT, который применяется в термокомпенсированных кварцевых генераторах, отличающийся тем, что применена ориентация пластины по осям yzb (с оптимизацией значения угла среза) с целью обеспечения относительной нестабильности частоты от среднего значения не более ±20·10 в интервале рабочих температур от -50 до +70°С. (19) RU (11) 31 178 (13) U1 (51) МПК H01J 23/16 (2000.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2003108935/20 , 31.03.2003 (24) Дата начала отсчета срока действия патента: 31.03.2003 (46) Опубликовано: 20.07.2003 (72) Автор(ы): Петраков В.Ю., Мартынушкина Г.А., Шумков А.В. (73) Патентообладатель(и): Открытое акционерное общество "Рязанский радиозавод" U 1 3 1 1 7 8 R U Ñòðàíèöà: 1 U 1 (57) Формула полезной модели Кварцевый резонатор в корпусе Э с кварцевой пластиной среза AT, который применяется в термокомпенсированных кварцевых генераторах, отличающийся тем, что применена ориентация пластины по осям yzb (с оптимизацией значения угла среза) с целью обеспечения относительной нестабильности частоты от среднего значения не более ±20·10 -6 в интервале рабочих температур от -50 до +70°С. 3 1 1 7 8 (54) Кварцевый резонатор R U Адрес для переписки: 390023, г.Рязань, ул. Лермонтова, 11, ОАО "Рязанский радиозавод", отд.245 (71) Заявитель(и): Открытое акционерное общество "Рязанский радиозавод" U 1 U 1 3 1 1 7 8 3 1 1 7 8 R U R U Ñòðàíèöà: 2 RU 31 178 U1 RU 31 178 U1 RU 31 178 U1

Подробнее
27-04-2007 дата публикации

ШТЫРЕВАЯ ЗАМЕДЛЯЮЩАЯ СИСТЕМА

Номер: RU0000062738U1

1. Штыревая замедляющая система, включающая ряд штырей, закороченных с обеих сторон боковыми стенками волновода с выступом, размещенным напротив центральной части штырей и снабженным поперечными пазами, в которые введены пластины, укрепленные на штырях, отличающаяся тем, что в нее введены две пары проводников, проводники каждой пары размещены симметрично относительно продольной оси системы, причем первая пара контактирует со всеми штырями на расстоянии от боковых стенок, составляющем 0,1-0,2 длины штыря, а вторая пара соединяет пластины. 2. Замедляющая система по п.1, отличающаяся тем, что размер пластин вдоль штырей превышает ширину выступа и вторая пара проводников замыкает удаленные от штырей края пластин. 3. Замедляющая система по п.1, отличающаяся тем, что в стенках пазов выполнены проточки, в которые с зазором введены проводники второй пары. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 62 738 (13) U1 (51) МПК H01J 23/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2006137477/22 , 24.10.2006 (24) Дата начала отсчета срока действия патента: 24.10.2006 (45) Опубликовано: 27.04.2007 (72) Автор(ы): Дербишер Юрий Александрович (RU), Каневская Людмила Михайловна (RU), Усачев Сергей Вадимович (RU) Адрес для переписки: 117461, Москва, ул. Каховка, 33, корп.1, кв.53, Ю.А. Дербишеру U 1 6 2 7 3 8 R U Ñòðàíèöà: 1 U 1 Формула полезной модели 1. Штыревая замедляющая система, включающая ряд штырей, закороченных с обеих сторон боковыми стенками волновода с выступом, размещенным напротив центральной части штырей и снабженным поперечными пазами, в которые введены пластины, укрепленные на штырях, отличающаяся тем, что в нее введены две пары проводников, проводники каждой пары размещены симметрично относительно продольной оси системы, причем первая пара контактирует со всеми штырями на расстоянии от боковых стенок, составляющем 0,1-0,2 длины штыря, а вторая пара соединяет пластины. 2. ...

Подробнее
27-12-2007 дата публикации

ЛАМПА БЕГУЩЕЙ ВОЛНЫ С МАГНИТНОЙ ПЕРИОДИЧЕСКОЙ ФОКУСИРУЮЩЕЙ СИСТЕМОЙ

Номер: RU0000069680U1

1. Лампа бегущей волны (ЛБВ) с магнитной периодической фокусирующей системой (МПФС), состоящей из чередующихся аксиально-намагниченных кольцевых магнитов, полюсных наконечников со ступицами из ферромагнитного материала, пространственно совмещенных с емкостными втулками резонаторов, диафрагм из немагнитного материала с емкостными втулками, установленных между полюсными наконечниками, отличающаяся тем, что по крайней мере в части МПФС, расположенной после ввода ВЧ-энергии, емкостные втулки и примыкающие к емкостным втулкам части диафрагм, образующие стенку резонатора, объединены в выполненные из ферромагнитного материала вставки, которые закреплены в диафрагмах на одинаковом расстоянии от полюсных наконечников кольцевыми элементами из немагнитного материала. 2. ЛБВ по п.1, отличающаяся тем, что диафрагмы выполнены в виде ступенчатых тел вращения, состоящих по меньшей мере из двух цилиндрических частей, причем меньший внутренний диаметр диафрагмы равен внутреннему диаметру полости резонаторов, больший внутренний диаметр диафрагмы равен внешнему диаметру кольцевых элементов, протяженность в осевом направлении емкостных втулок полюсных наконечников и диафрагм одинакова и определяется из условия 0,15 Подробнее

10-05-2008 дата публикации

ЛАМПА БЕГУЩЕЙ ВОЛНЫ С МАГНИТНОЙ ПЕРИОДИЧЕСКОЙ ФОКУСИРУЮЩЕЙ СИСТЕМОЙ

Номер: RU0000073125U1

1. Лампа бегущей волны с магнитной периодической фокусирующей системой (МПФС), состоящей из аксиально-намагниченных кольцевых магнитов и полюсных наконечников из ферромагнитного материала, пространственно совмещенных с резонаторной замедляющей системой (ЗС), отличающаяся тем, что, по крайней мере, часть МПФС, расположенная после ввода ВЧ-энергии, состоит из примыкающих друг к другу ячеек, каждая из которых содержит не менее одного магнита с однонаправленной в осевом направлении намагниченностью и три ферромагнитные вставки, расположенные с зазором между полюсными наконечниками и между собой во втулках из немагнитного материала, и закрепленные кольцевыми элементами из немагнитного материала, причем намагниченность магнитов в соседних ячейках МПФС имеет противоположное направление. 2. ЛБВ по п.1, отличающаяся тем, что втулки выполнены в виде ступенчатых тел вращения, состоящих по меньшей мере из двух цилиндрических частей, и образуют вместе со вставками, закрепленными кольцевыми элементами, внутренние полости ВЧ резонаторов ЗС, так что отношение периода МПФС к периоду ЗС равно четырем. 3. ЛБВ по любому из п.1 или 2, отличающаяся тем, что немагнитные втулки и кольцевые элементы выполнены из материала с высокой теплопроводностью, например из меди и образуют вместе с полюсными наконечниками вакуумно-плотное соединение. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 73 125 (13) U1 (51) МПК H01J 23/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2007145944/22 , 12.12.2007 (24) Дата начала отсчета срока действия патента: 12.12.2007 (45) Опубликовано: 10.05.2008 (73) Патентообладатель(и): Федеральное Государственное унитарное предприятие "Научно-производственное предприятие "Торий" (RU) Ñòðàíèöà: 1 U 1 7 3 1 2 5 R U U 1 Формула полезной модели 1. Лампа бегущей волны с магнитной периодической фокусирующей системой (МПФС), состоящей из аксиально-намагниченных кольцевых магнитов и ...

Подробнее
10-08-2008 дата публикации

ДВУХЗАЗОРНЫЙ РЕЗОНАТОР

Номер: RU0000075502U1

1. Двухзазорный резонатор, состоящий из цилиндрического корпуса, торцевых крышек с одним или несколькими пролетными отверстиями в них, цилиндрической пролетной трубы, которая расположена внутри корпуса и соосна с ним, имеет пролетные отверстия соосные отверстиям в торцевых крышках и за свою середину прикреплена одним или несколькими радиальными стержнями к цилиндрическому корпусу непосредственно или через промежуточное поддерживающее средство, например коаксиальную линию, отличающийся тем, что на цилиндрической поверхности пролетной трубы введены соосные с ней кольцевые выступы и на поверхностях этих выступов, преимущественно перпендикулярных оси пролетной трубы, нанесен поглощающий СВЧ-энергию материал. 2. Резонатор по п.1, отличающийся тем, что на внутренние поверхности корпуса нанесен поглощающий материал. 3. Резонатор по любому из пп.1 или 2, отличающийся тем, что на внутренние поверхности промежуточного поддерживающего средства нанесен поглощающий материал. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 75 502 (13) U1 (51) МПК H01J 23/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2008111775/22 , 28.03.2008 (24) Дата начала отсчета срока действия патента: 28.03.2008 (45) Опубликовано: 10.08.2008 (73) Патентообладатель(и): Федеральное Государственное унитарное предприятие "Научно-производственное предприятие "Торий" (RU) U 1 7 5 5 0 2 R U Ñòðàíèöà: 1 U 1 Формула полезной модели 1. Двухзазорный резонатор, состоящий из цилиндрического корпуса, торцевых крышек с одним или несколькими пролетными отверстиями в них, цилиндрической пролетной трубы, которая расположена внутри корпуса и соосна с ним, имеет пролетные отверстия соосные отверстиям в торцевых крышках и за свою середину прикреплена одним или несколькими радиальными стержнями к цилиндрическому корпусу непосредственно или через промежуточное поддерживающее средство, например коаксиальную линию, отличающийся тем, что на ...

Подробнее
10-06-2010 дата публикации

ИСТОЧНИК ПИТАНИЯ МАГНЕТРОННОГО РАСПЫЛИТЕЛЯ

Номер: RU0000095179U1

Источник питания магнетронного распылителя, содержащий повышающий трансформатор, первичная обмотка которого подключена к сети переменного тока через управляемый ключ, соединенный по цепи управления с выходом формирователя отпирающих импульсов, а вторичная обмотка соединена с выпрямителем напряжения, датчик тока, включенный между положительным выходом выпрямителя напряжения и анодом магнетронного распылителя, узел задания тока, соединенный с одним из входов узла сравнения, узел питания узла сравнения, формирователя отпирающих импульсов и узла задания тока, сглаживающий фильтр и узел индикации, отличающийся тем, что в него введен узел задержки отпирания, соединенный по цепи питания с узлом питания, по управляющему входу - с выходом узла сравнения и включенный между сетью переменного тока и входом формирователя отпирающих импульсов, а сглаживающий фильтр включен между выходом датчика тока и вторым входом узла сравнения, соединенным с узлом индикации. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 95 179 (13) U1 (51) МПК H01J H01J C23C H02B 25/00 (2006.01) 23/00 (2006.01) 14/00 (2006.01) 99/00 (2009.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2010103312/22, 01.02.2010 (24) Дата начала отсчета срока действия патента: 01.02.2010 (45) Опубликовано: 10.06.2010 (73) Патентообладатель(и): Открытое акционерное общество "Научноисследовательский институт физических измерений" (RU) U 1 9 5 1 7 9 R U Ñòðàíèöà: 1 ru CL U 1 Формула полезной модели Источник питания магнетронного распылителя, содержащий повышающий трансформатор, первичная обмотка которого подключена к сети переменного тока через управляемый ключ, соединенный по цепи управления с выходом формирователя отпирающих импульсов, а вторичная обмотка соединена с выпрямителем напряжения, датчик тока, включенный между положительным выходом выпрямителя напряжения и анодом магнетронного распылителя, узел задания тока, соединенный с одним из ...

Подробнее
27-06-2011 дата публикации

АВТОМАТИЗИРОВАННАЯ СИСТЕМА ВАКУУМНОЙ ОТКАЧКИ ЗЕРКАЛЬНО-ВОЛНОВОДНОГО ТРАКТА ДЛЯ ИСПЫТАНИЙ ГИРОТРОНОВ ИТЭР

Номер: RU0000106036U1

1. Автоматизированная установка для проведения испытаний гиротронов ИТЭР, включающая взаимодействующие между собой системы защиты, компьютерную систему исследования данных, системы взаимодействий оборудования, средства вакуумирования и передачи СВЧ мощности от гиротрона до нагрузки, включающие волноводный тракт, источники электропитания и средства обеспечения и управления высоким напряжением, отличающаяся тем, что установка снабжена последовательно в направлении от гиротрона к нагрузке расположенными квазиоптическим фильтром и квазиоптическим переключателем. 2. Устройство по п.1, отличающееся тем, что средства вакуумирования волноводного тракта включают средства предварительной вакуумной откачки, средства высоковакуумной откачки, систему управления откачкой и поддержания рабочих параметров вакуума. 4. Устройство по п.1, отличающееся тем, что компьютерная система исследования данных включает программу управления, программу сбора, программу представления базы данных (архивизации) и реализуется экраном управления и экраном визуализации данных. 5. Устройство по п.1, отличающееся тем, что средства вакуумирования волноводного тракта гиротрона включают: датчики низкого вакуума, датчики высокого вакуума, масс-спектрометр сигнал спектра остаточного газа, датчики температуры. 6. Устройство по п.1, отличающееся тем, что системы защиты включают средства водоснабжения, имеющие запорно-регулирующие средства, датчики температуры, датчики давления, реле давления, реле протока, датчики расхода. 7. Устройство по п.1, отличающееся тем, что средства обеспечения и управления высоким напряжением включают основной источник высоковольтного питания, выполненный в виде высоковольтного генератора и средства отключения высокого напряжения. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 106 036 (13) U1 (51) МПК H01J 23/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21)(22) Заявка: 2010154341/07, 29.12.2010 (24) Дата ...

Подробнее
10-11-2013 дата публикации

АВТОЭМИССИОННАЯ ЭЛЕКТРОННАЯ ПУШКА

Номер: RU0000134356U1

Автоэмиссионная электронная пушка магнетронно-инжекторного типа, состоящая из полого анода в форме урезанного конуса и расположенных соосно внутри него автоэмиссионного катода и управляющего электрода, оба конусной или цилиндрической формы, подключенных к электрическим выводам пушки, отличающаяся тем, что катод в виде фольги, изготовленный из терморасширенного графита, через диэлектрическую прокладку закреплен на поверхности управляющего электрода, причем в его поверхности лучом лазера сделаны продольные пазы, доходящие до поверхности управляющего электрода, и эмиссия электронов происходит с краев фольги, выходящих в пазы. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК H01J 23/075 (13) 134 356 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2013110744/07, 12.03.2013 (24) Дата начала отсчета срока действия патента: 12.03.2013 (45) Опубликовано: 10.11.2013 Бюл. № 31 (73) Патентообладатель(и): Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Торий" (RU) 1 3 4 3 5 6 R U Формула полезной модели Автоэмиссионная электронная пушка магнетронно-инжекторного типа, состоящая из полого анода в форме урезанного конуса и расположенных соосно внутри него автоэмиссионного катода и управляющего электрода, оба конусной или цилиндрической формы, подключенных к электрическим выводам пушки, отличающаяся тем, что катод в виде фольги, изготовленный из терморасширенного графита, через диэлектрическую прокладку закреплен на поверхности управляющего электрода, причем в его поверхности лучом лазера сделаны продольные пазы, доходящие до поверхности управляющего электрода, и эмиссия электронов происходит с краев фольги, выходящих в пазы. Стр.: 1 U 1 U 1 (54) АВТОЭМИССИОННАЯ ЭЛЕКТРОННАЯ ПУШКА 1 3 4 3 5 6 Адрес для переписки: 117393, Москва, ул. Обручева, 52, ФГУП "НПП "ТОРИЙ", Чепелевой В.В. R U Приоритет(ы): (22) Дата подачи заявки: 12.03.2013 (72) Автор(ы): Никитин Александр Петрович ( ...

Подробнее
20-05-2014 дата публикации

ЭЛЕКТРОННАЯ ПУШКА С МУЛЬТИПОЛЬНЫМ АНОДОМ

Номер: RU0000140618U1

1. Электронная пушка, содержащая кольцевой катод с отверстием в центре, фокусирующий электрод, штырь в виде ступенчатого тела вращения, расположенный в отверстии катода и многосекционный анод, отличающаяся тем, что первая секция анода, ближайшая к катоду, выполнена в виде диафрагмы с отверстием в центре, а вторая и последующие секции выполнены в виде мультипольных электронных линз, каждая из которых содержит кольцевую систему идентичных электродов с гиперболическими поверхностями, на которые подаются постоянные и чередующиеся по значению положительные и отрицательные потенциалы. 2. Электронная пушка по п. 1, отличающаяся тем, что анод выполнен трехсекционным, причем первая секция анода, ближайшая к катоду, выполнена в виде диафрагмы с отверстием в центре, а вторая и третья секции выполнены в виде двух идентичных мультипольных линз, повернутых на 90° по отношению друг к другу вокруг оптической оси. 3. Электронная пушка по п. 1, отличающаяся тем, что потенциал первой секции анода вдвое больше по абсолютному значению потенциалов, подаваемых на вторую и последующие секции анода. 4. Электронная пушка по п. 1, отличающаяся тем, что электроды мультипольных линз анода выполнены в виде идентичных резонансных отрезков замедляющих систем. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК H01J 23/06 (11) (13) 140 618 U1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ 2013150181/07, 12.11.2013 (24) Дата начала отсчета срока действия патента: 12.11.2013 (45) Опубликовано: 20.05.2014 Бюл. № 14 1 4 0 6 1 8 R U Формула полезной модели 1. Электронная пушка, содержащая кольцевой катод с отверстием в центре, фокусирующий электрод, штырь в виде ступенчатого тела вращения, расположенный в отверстии катода и многосекционный анод, отличающаяся тем, что первая секция анода, ближайшая к катоду, выполнена в виде диафрагмы с отверстием в центре, а вторая и последующие секции выполнены в виде мультипольных электронных линз, каждая из ...

Подробнее
10-06-2014 дата публикации

МОДУЛЬ СВЕРХВЫСОКОЙ ЧАСТОТЫ "ТАНТАЛ" С ВОЗДУШНЫМ ОХЛАЖДЕНИЕМ

Номер: RU0000141660U1

Модуль сверхвысокой частоты с воздушным охлаждением, содержащий теплопроводное пластинчатое основание, на котором в герметичном объеме установлен модулятор и источник питания, а усилительный элемент находится в кожухе, который установлен на основании с противоположной стороны, отличающийся тем, что на обеих сторонах основания дополнительно расположен термоэлектрический преобразователь, а входная часть кожуха усилительного элемента выполнена в виде сопла Вентури, на внутренней поверхности которого размещена тонкая пленка из электрокалорического полимера. И 1 141660 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВУ” 144 660°” 44 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из-за неуплаты в установленный срок пошлины за поддержание патента в силе Дата прекращения действия патента: 04.02.2019 Дата внесения записи в Государственный реестр: 18.12.2019 Дата публикации и номер бюллетеня: 18.12.2019 Бюл. №35 Стр.: 1 па ОЭ9ЭЕУЬ ЕП

Подробнее
20-07-2015 дата публикации

ДВУХЗАЗОРНЫЙ ВЫХОДНОЙ КЛИСТРОННЫЙ РЕЗОНАТОР

Номер: RU0000153442U1

1. Двухзазорный выходной клистронный резонатор, содержащий корпус с отверстиями, в которые введены устройство вывода СВЧ энергии противофазного вида колебаний с рабочей частотой ω, выполненное в виде первого отрезка коаксиальной линии передачи с кондуктивным элементом связи, и устройство вывода СВЧ энергии синфазного вида колебаний с рабочей частотой 2ω, выполненное в виде второго отрезка коаксиальной линии передачи с элементом связи в виде петли; первую, вторую пролетную трубы и установленную между ними центральную пролетную трубу, прикрепленную к боковой стенке корпуса резонатора с помощью проводящих держателей, при этом каждый из проводящих держателей выполнен составным, состоящим из концевой части, примыкающей к корпусу резонатора, начальной части, примыкающей к центральной пролетной трубе, и срединной части, представляющей собой дополнительный проводящий элемент, выполненный в виде сектора кольца с внутренним пазом; начальная часть проводящего держателя установлена внутри этого паза с возможностью углового перемещения в пределах угла α; в боковой стенке корпуса выполнены дополнительные отверстия, в которые введены сильфонный механизм настройки частоты синфазного вида колебаний с емкостным элементом настройки, расположенным внутри корпуса напротив места соединения начальной и срединной частей одного из проводящих элементов на одной линии с кондуктивным элементом связи, а также сильфонный механизм настройки частоты противофазного вида колебаний с емкостным элементом, расположенным внутри корпуса на одной линии с петлей связи. 2. Двухзазорный выходной клистронный резонатор по п. 1, характеризующийся тем, что для достижения кратности рабочих частот, равной двум, величина углового перемещения α выбрана в пределах 50±10°. 3. Двухзазорный выходной клистронный резонатор по п. 1, характеризующийся тем, что емкостные элементы механизмов настройки частот синфазного и противофазного видов колебаний выполнены с возможностью перемещения вдоль линии расположения кондуктивного ...

Подробнее
27-07-2015 дата публикации

УЗЕЛ МАГНЕТРОННОГО РАСПЫЛЕНИЯ

Номер: RU0000153586U1

1. Узел магнетронного распыления, содержащий плоскую мишень, изготовленную из распыляемого материала, и внутренний магнитный блок, состоящий из расположенных под мишенью центрального постоянного магнита и бокового замкнутого магнитопровода, магнитно связанного с нижним полюсом центрального постоянного магнита посредством механического контакта с последним, размещённой под ним магнитопроводящей пластины, отличающийся тем, что упомянутая магнитопроводящая пластина представляет собой отработанный плоский катод-мишень, изготовленный из магнитного распыляемого материала, а магнитная связь указанной пластины с боковым замкнутым магнитопроводом осуществлена посредством её механического контакта с последним при её размещении под ним. 2. Узел магнетронного распыления по п. 1, отличающийся тем, что плоская мишень выполнена из немагнитного распыляемого материала. И 1 153586 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВУ” 153 586” 44 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ МЕЭК Восстановление действия патента Дата, с которой действие патента восстановлено: 06.07.2022 Дата внесения записи в Государственный реестр: 06.07.2022 Дата публикации и номер бюллетеня: 06.07.2022 Бюл. №19 Стр.: 1 па Эа“ ЕП

Подробнее
27-07-2015 дата публикации

УЗЕЛ МАГНЕТРОННОГО РАСПЫЛЕНИЯ

Номер: RU0000153588U1

1. Узел магнетронного распыления, содержащий плоскую мишень, изготовленную из распыляемого материала, и внутренний магнитный блок, состоящий из расположенных под мишенью центрального постоянного магнита и бокового замкнутого магнитопровода, магнитно связанного с нижним полюсом центрального постоянного магнита посредством механического контакта с последним размещённой под ним магнитопроводящей пластины, имеющей исполнение единого целого с указанным боковым замкнутым магнитопроводом, изготовленным из её же материала, отличающийся тем, что упомянутая магнитопроводящая пластина изготовлена из магнитного распыляемого материала и представляет собой с центральным постоянным магнитом отработанный плоский катод-мишень с внешним магнитным блоком. 2. Узел магнетронного распыления по п. 2, отличающийся тем, что плоская мишень выполнена из немагнитного распыляемого материала. И 1 153588 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВУ” 153 588” 4 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ МЕЭК Восстановление действия патента Дата, с которой действие патента восстановлено: 23.06.2022 Дата внесения записи в Государственный реестр: 23.06.2022 Дата публикации и номер бюллетеня: 23.06.2022 Бюл. №18 Стр.: 1 па 839$“ ЕП

Подробнее
20-10-2016 дата публикации

ЭЛЕКТРОННЫЙ ПРОЖЕКТОР ЭЛЕКТРОННО-ЛУЧЕВОЙ ПУШКИ

Номер: RU0000165525U1

Электронный прожектор электронно-лучевой пушки, содержащий держатель, в котором размещен анод с центральным отверстием, катод с эмиттером, а также токоподводы, отличающийся тем, что электронный прожектор снабжен управляющим электродом, центральным электродом, а также тремя пластинами, установленными на вертикально закрепленных на держателе стержнях с возможностью относительного перемещения и фиксации в заданном положении, центральный электрод установлен на верхней пластине, катод с эмиттером - на средней пластине, а управляющий электрод - на нижней, при этом токоподводы подсоединены к пластинам. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 165 525 U1 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ PD9K Изменение наименования, фамилии, имени, отчества патентообладателя Дата внесения записи в Государственный реестр: 01.09.2021 Дата публикации и номер бюллетеня: 01.09.2021 Бюл. №25 1 6 5 5 2 5 Адрес для переписки: 129110, Москва, ул. Щепкина, 42, стр. 1,2, Госкорпорация «Роскосмос», Заместителю директора Центра учета и анализа результатов научно-технической деятельности Н.Г. Горбановскому R U (73) Патентообладатель(и): Российская Федерация, от имени которой выступает Государственная корпорация по космической деятельности «Роскосмос» (RU), Федеральное государственное унитарное предприятие «Научно-производственное объединение «Техномаш» (RU) R U 1 6 5 5 2 5 U 1 U 1 Стр.: 1

Подробнее
05-12-2017 дата публикации

Магнитная периодическая фокусирующая система

Номер: RU0000175441U1

Настоящая полезная модель относится к области электроники, а именно к электровакуумным приборам СВЧ диапазона. Технический результат заключается в снижении массы фокусирующей системы, а также в более эффективном использовании магнитного материала за счет трапецеидальной формы сечения кольцевого магнита. Магнитная периодическая фокусирующая система лампы бегущей волны О-типа, содержащая кольцевые магниты и полюсные наконечники. При этом магниты имеют в поперечном сечении трапецеидальную форму, кроме того, полюсные наконечники в поперечном сечении имеют треугольную форму и расположены между кольцевыми магнитами. 1 з.п. ф-лы, 4 фиг. И 1 175441 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ 7 ВУ’? 175 441? 91 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из-за неуплаты в установленный срок пошлины за поддержание патента в силе Дата прекращения действия патента: 06.06.2019 Дата внесения записи в Государственный реестр: 20.03.2020 Дата публикации и номер бюллетеня: 20.03.2020 Бюл. №8 Стр.: 1 па РУТА ДЬ ЕП

Подробнее
28-03-2018 дата публикации

Настроечная шкала составной магнетронной мишени

Номер: RU0000178216U1

Полезная модель относится к магнетронному оборудованию и может быть использована в качестве съемного проградуированного средства контроля настроечного смещения относительно нижней базовой части составной мишени верхних накладных частей этой мишени, изготовленных каждая из соответствующего отдельного компонента из числа компонентов осаждаемого на подложку многокомпонентного материала пленки, в конструкции распыляемой составной магнетронной мишени - катода для качественного и экономичного осаждения на подложку многокомпонентного материала пленки. Технический результат от использования предлагаемой полезной модели - обеспечение технологичного нормированного смещения каждой верхней накладной части составной магнетронной мишени относительно контура кольцевой зоны распыления указанной мишени с помощью удобного съемного проградуированного средства контроля этого смещения - предлагаемой настроечной шкалы, приводящего к пересечению верхними накладными частями указанного контура для настроечного изменения прикидочной площади распыляемой поверхности каждой верхней накладной части. Для достижения указанного технического результата предлагается настроечная шкала составной магнетронной мишени, представляющая собой прозрачный плоский носитель с нанесенной на его поверхности проградуированной сеткой, снимаемый при магнетронном распылении с плоской нижней базовой части мишени, имеющей в горизонтальной плоскости размеры целиковой мишени и изготовленной из первого компонента осаждаемого на подложку материала пленки, и зафиксированный над поверхностью нижней базовой части мишени с помощью периферийной узкой опоры с возможностью подбираемого поочередного смещения под ним после изменений углового положения указанного носителя относительно нижней базовой части мишени верхних накладных частей мишени, изготовленных каждая из соответствующего отдельного компонента из числа остальных компонентов осаждаемого на подложку материала пленки, для настроечного изменения при пересечении указанными ...

Подробнее
09-10-2018 дата публикации

Замедляющая система для лампы бегущей волны

Номер: RU0000183912U1

Полезная модель относится к технике СВЧ, а именно к замедляющим системам ламп бегущей волны (ЛБВ) короткой части миллиметрового диапазона (0.1–0.3 ТГц). Техническим результатом полезной модели является увеличение электронного тока в пространстве взаимодействия потока электронов с электромагнитной волной замедляющей системы, что обеспечивает возможность создания вакуумных приборов терагерцевого диапазона средней мощности (1-100 Вт). Замедляющая система представляет собой проводник, выполненный в форме прямоугольного меандра, образованный параллельно расположенными металлическими пластинами, связанными между собой перемычками, при этом каждая из пластин снабжена, по меньшей мере, одним сквозным прямоугольным отверстием для пролета плоского потока электронов, при этом отверстия в пластинах расположены с образованием, по меньшей мере, одного прямоугольного канала для пролета плоского потока электронов через замедляющую систему. 5 з.п. ф-лы, 5 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 183 912 U1 (51) МПК H01J 25/00 (2006.01) H01J 23/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01J 25/00 (2006.01) (21)(22) Заявка: 2018117936, 15.05.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 15.05.2018 (56) Список документов, цитированных в отчете о поиске: Радиотехника и электроника,1994, (45) Опубликовано: 09.10.2018 Бюл. № 28 (54) ЗАМЕДЛЯЮЩАЯ СИСТЕМА ДЛЯ ЛАМПЫ БЕГУЩЕЙ ВОЛНЫ (57) Реферат: Полезная модель относится к технике СВЧ, а проводник, выполненный в форме именно к замедляющим системам ламп бегущей прямоугольного меандра, образованный волны (ЛБВ) короткой части миллиметрового параллельно расположенными металлическими диапазона (0.1–0.3 ТГц). пластинами, связанными между собой Техническим результатом полезной модели перемычками, при этом каждая из пластин является увеличение электронного тока в снабжена, по меньшей мере, одним сквозным ...

Подробнее
03-10-2019 дата публикации

Термостабильный резонатор

Номер: RU0000192872U1

Полезная модель относится к технике СВЧ и может быть использована в качестве опорного резонатора в системах стабилизации частоты СВЧ-генераторов, а также в измерительных устройствах, заполняемых газами под различными давлениями, в том числе и значительно выше атмосферного.Техническим результатом, достигаемым при осуществлении заявляемой полезной модели, является возможность снятия характеристик газов, заполняющих объем термостабильного резонатора при различных давлениях, в частности, значительно превышающих атмосферное. При этом значительно повышается точность измерения, так как рабочая длина резонатора остается постоянной при различных рабочих температурах.Термостабильный резонатор содержит герметичный корпус 1 с герметизирующими крышками 2, два термокомпенсирующих элемента в виде полусферических пружин 3 и 6, два штока 7, два настроечных поршня 4 и 5, установленных с возможностью перемещения вдоль продольной оси корпуса 1. При изменении температуры в широких пределах расстояние между настроечными поршнями 4 и 5 остается неизменным, что обеспечивает стабильность рабочей частоты термостабильного резонатора с высокой точностью. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 192 872 U1 (51) МПК H01P 7/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01P 7/06 (2019.05) (21)(22) Заявка: 2019116912, 31.05.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 31.05.2019 (45) Опубликовано: 03.10.2019 Бюл. № 28 1 9 2 8 7 2 R U (54) ТЕРМОСТАБИЛЬНЫЙ РЕЗОНАТОР (57) Реферат: Полезная модель относится к технике СВЧ и может быть использована в качестве опорного резонатора в системах стабилизации частоты СВЧ-генераторов, а также в измерительных устройствах, заполняемых газами под различными давлениями, в том числе и значительно выше атмосферного. Техническим результатом, достигаемым при осуществлении заявляемой полезной модели, является возможность снятия ...

Подробнее
16-04-2020 дата публикации

УСИЛИТЕЛЬ СВЕРХВЫСОКОЧАСТОТНОЙ МОЩНОСТИ

Номер: RU0000197263U1

Полезная модель относится к радиотехнике, а именно к усилителям сверхвысокочастотной (СВЧ) мощности и может быть использована в радиопередающей аппаратуре, в системах радиосвязи, в том числе для специальных систем беспроводной связи. Усилитель сверхвысокочастотной мощности содержит усилительный модуль, преобразователь электропитания с многоуровневой защитой от перенапряжения и от перегрузки по температуре, а также вентиляторную систему охлаждения. Конструкция полезной модели усилителя сверхвысокочастотной мощности выполнена в функционально-конструкционном единстве, по меньшей мере, на одном теплоотводящем основании-радиаторе и помещена в негерметичный корпус, имеющий сквозные вентиляционные отверстия, по меньшей мере, на передней и задней панелях корпуса. Технический результат: обеспечение возможности за счет оптимального охлаждения использовать в одном универсальном конструктивном решении разных усилительных модулей с отличающимися техническими характеристиками и физическими параметрами, и как результат - повышение стабильности работы усилительного модуля во всем рабочем диапазоне частот сверхвысокой мощности и устойчивости при рассогласованной нагрузке. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 197 263 U1 (51) МПК H03B 1/00 (2006.01) H01J 23/033 (2006.01) H04B 1/03 (2006.01) H05K 7/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H05K 7/20 (2020.02) (21)(22) Заявка: 2019128703, 12.09.2019 (24) Дата начала отсчета срока действия патента: 16.04.2020 Приоритет(ы): (22) Дата подачи заявки: 12.09.2019 (45) Опубликовано: 16.04.2020 Бюл. № 11 1 9 7 2 6 3 R U (54) УСИЛИТЕЛЬ СВЕРХВЫСОКОЧАСТОТНОЙ МОЩНОСТИ (57) Реферат: Полезная модель относится к радиотехнике, основании-радиаторе и помещена в а именно к усилителям сверхвысокочастотной негерметичный корпус, имеющий сквозные (СВЧ) мощности и может быть использована в вентиляционные отверстия, по меньшей мере, на радиопередающей аппаратуре, в системах ...

Подробнее
20-09-2021 дата публикации

МАГНИТНАЯ ФОКУСИРУЮЩАЯ СИСТЕМА

Номер: RU0000206633U1

Полезная модель относится к электронным СВЧ-приборам О-типа, в частности к магнитным фокусирующим системам с однородным полем для фокусировки протяженных электронных потоков, выполненным на основе постоянных магнитов. Техническим результатом предлагаемой полезной модели является увеличение однородности магнитного поля в рабочем зазоре, что позволяет достичь высокого токопрохождения во всей рабочей полосе частот и повысить уровень выходной мощности ЛБВ при хороших условиях по тепловому режиму прибора. Технический результат достигается тем, что магнитная фокусирующая система состоит из секций, имеющих разную магнитную полярность внутренних поверхностей соседних секций и заключенных в общую обойму из магнитомягкого материала. Система выполнена из трех секций, в первой и последней секциях расположены кольцевые магниты с радиальной намагниченностью, а центральная секция имеет, по крайней мере, один кольцевой магнит с продольной намагниченностью. 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 206 633 U1 (51) МПК H01J 23/087 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01J 23/10 (2021.05) (21)(22) Заявка: 2021106644, 28.01.2020 (24) Дата начала отсчета срока действия патента: Дата регистрации: 20.09.2021 (45) Опубликовано: 20.09.2021 Бюл. № 26 2 0 6 6 3 3 R U (56) Список документов, цитированных в отчете о поиске: SU 342246 A, 14.06.1972. US 5828173A, 27.10.1998. SU 661643 A, 05.05.1979. US 3237059 A, 22.02.1966. US 5576679 A, 19.11.1996. (54) МАГНИТНАЯ ФОКУСИРУЮЩАЯ СИСТЕМА (57) Реферат: Полезная модель относится к электронным прибора. СВЧ-приборам О-типа, в частности к магнитным Технический результат достигается тем, что фокусирующим системам с однородным полем магнитная фокусирующая система состоит из для фокусировки протяженных электронных секций, имеющих разную магнитную полярность потоков, выполненным на основе постоянных внутренних поверхностей соседних секций и магнитов. заключенных в общую обойму из ...

Подробнее
31-05-2012 дата публикации

Electron beam generating apparatus

Номер: US20120133281A1
Принадлежит: Academy Industry Foundation of POSTECH

An apparatus for generating an electron beam is disclosed to reduce emittance of an electron beam. The apparatus includes: a housing including a rear portion where an electron beam is generated, a front portion having an electron beam discharge hole for discharging the electron beam to the exterior, and a side portion connecting the rear portion and the front portion, the side portion having a first hole and an opposite side portion, facing the first hole, having a second hole in order to reduce asymmetry of an electric field caused by the first hole; and a waveguide installed on the side portion to supply an electromagnetic wave to the interior of the housing through the first hole, wherein the electron beam is generated by laser incident to the interior of the housing and accelerated by the electromagnetic wave supplied to the interior of the housing.

Подробнее
13-09-2012 дата публикации

Electron source for linear accelerators

Номер: US20120229024A1
Автор: Terry Arthur Large
Принадлежит: ELEKTA AB

The present invention provides an electron gun comprising a cathode, for generating electrons; an anode; an intermediate electrode, located between the cathode and the anode; and a controller. The controller applies an electrical potential to said intermediate electrode, analysing a resultant electrical parameter to determine the integrity of said intermediate electrode; and controls the electron gun to emit a pulse of electrons.

Подробнее
08-11-2012 дата публикации

High frequency cathode heater supply for a microwave source

Номер: US20120280619A1
Принадлежит: e2v Technologies UK Ltd

A high frequency cathode heater supply for a microwave source includes a SMPS inverter and an isolation transformer having a primary winding arranged to be powered by the SMPS inverter, a monitor winding passing through primary core assemblies of the primary winding and a secondary winding arranged for connection to the cathode heater. A current monitor is arranged to monitor a current in the primary windings. Signal processing modules are arranged to receive a first input signal from the monitor winding indicative of a voltage across the cathode heater and a second input signal from the current monitor indicative of a current through the cathode heater. The signal processing modules are arranged to output a control signal to the SMPS inverter to control power supplied to the cathode heater dependent on a monitored resistance of, or monitored power supplied to, the cathode heater as determined from the first input signal and the second input signal.

Подробнее
15-11-2012 дата публикации

Planar helix slow-wave structure with straight-edge connections

Номер: US20120286657A1
Принадлежит: Individual

A planar helix slow-wave structure with straight edge connections where the structure consists of two arrays of thin, parallel, conductors printed on top and bottom faces of a low-loss dielectric material or substrate, the conductors in the arrays printed on the top and bottom surfaces being inclined at different but symmetric pitch angles on the surface of the planar surface, the conjunction ends of the conductors on the top and bottom faces being connected by vertical conductors with circular rings with a diameter greater than the diameter of the vertical conductors to ensure proper connections between them, and a vacuum tunnel inside the planar helix structure.

Подробнее
07-02-2013 дата публикации

Method and system for operating electron guns in magnetic fields

Номер: US20130035905A1
Принадлежит: Leland Stanford Junior University

A method of configuring an electron gun for generating and injecting an electron beam into a linac accelerating waveguide operating in magnetic fringe fields of an MRI scanner in the absence of a magnetic shield is provided using an appropriately programmed computer to determining an anode drift tube diameter at an injection point of a linac according to a magnetic field value from an MRI scanner and to a predetermined current density, where the magnetic field has an isocenter, determining a transverse diameter of a Type M cathode in an electron gun, according to the anode drift tube diameter and the current density, and minimizing an emittance value in an electron beam of the electron gun at an entry point of the anode drift tube by optimizing the distance between the cathode and the anode, where the electron beam is along an axis of symmetry of the magnetic field.

Подробнее
04-04-2013 дата публикации

MAGNETRON

Номер: US20130082594A1
Принадлежит: E2V Technologies (UK) Limited

A magnetron has an anode and a cathode. The cathode includes two parts joined by sleeves of ferrous alloy spaced by a sleeve of insulating material. The ferrous alloy sleeves are adapted to be connected to opposite poles of a power supply for heating the cathode. A high frequency power supply is used to heat the cathode. The ferrous alloy sleeves have a surface coating of conductive material. The currents induced by the magnetic field generated by the high frequency currents of the power supply are largely confined to the conductive coating due to the skin effect, avoiding the heating of and losses in the ferrous alloy itself which would otherwise ensue. 1. Magnetron , comprising a hollow cathode including a filament as electron emissive part and a core and an outer sleeve to apply high frequency voltage therebetween to heat the filament , wherein the core and the outer sleeve are joined by sleeves of ferrous alloy spaced by a sleeve of insulating material , the ferrous alloy sleeves having magnetic flux induced in them , in use , from a high frequency supply for heating the cathode , and the ferrous alloy sleeves having a conductive surface coating with a resistivity of substantially that of copper or silver.2. Magnetron as claimed in claim 1 , in which the frequency of the high frequency supply is within the range of from 1 kHz to 1 MHz.3. Magnetron as claimed in claim 2 , in which the frequency of the high frequency supply is within the range of from 5 kHz to 500 kHz.4. Magnetron as claimed in claim 1 , in which the conductive material is continuous on both the inner and outer curved surfaces of the ferrous alloy sleeves5. Magnetron as claimed in claim 4 , in which the thickness of the conductive coating is within the range of from 1 micron to 50 microns.6. Magnetron as claimed in claim 5 , in which the thickness of the conductive coating is within the range of from 5 to 30 microns.7. Magnetron as claimed in claim 1 , in which the conductive material is copper.8. ...

Подробнее
18-04-2013 дата публикации

ELECTRON ACCELERATOR HAVING A COAXIAL CAVITY

Номер: US20130093320A1
Автор: Abs Michel
Принадлежит: Ion Beam Applications S.A.

Electron accelerator of the re-circulating type, having a resonant coaxial cavity presenting an outer cylindrical conductor of axis A and a coaxial inner cylindrical conductor, an electron gun for injecting electrons into the cavity following a radial direction and into a median plane of the cavity, an RF system capable of accelerating the injected electrons following a trajectory into the median plane which has the shape of a flower centered on the axis A, deflecting magnets disposed into the median plane externally to the cavity for redirecting electrons back towards the axis A. The RF system includes final power amplifiers, each amplifier being directly coupled to the cavity through its own individual inductive loop and each two of these loops being physically spaced apart from each other by an angle alpha, such that alpha is not an integer multiple of 90 degrees. 1. Electron accelerator comprising{'b': 10', '11', '12', '13', '14, 'a resonant cavity () having an outer cylindrical conductor () of axis A and a coaxial inner cylindrical conductor (), both cylindrical conductors being shorted at their ends with respectively a top conductive closure () and a bottom conductive closure (),'}{'b': 20', '40', '10', '10, 'an electron gun () adapted to inject a beam of electrons () into the resonant cavity () following a radial direction in a median transversal plane (MP) of the resonant cavity (),'}{'b': 50', '40', '11', '50', '1', '2', '10', '55, 'an RF system () adapted to generate a resonant transverse electric field into the resonant cavity for accelerating the electrons of the electron beam () a plurality of times into the median transversal plane (MP) and according to successive trajectories following angularly shifted diameters of the outer cylindrical conductor (), said RF system () comprising a plurality of final power amplifiers (FPA, FPA, . . . , FPAn), each final power amplifier being separately coupled to the cavity () through an individual inductive loop ...

Подробнее
18-04-2013 дата публикации

DIELECTRIC WINDOW FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS AND METHOD FOR MOUNTING DIELECTRIC WINDOW FOR PLASMA PROCESSING APPARATUS

Номер: US20130093321A1
Принадлежит: TOKYO ELECTRON LIMITED

In a dielectric window for a plasma processing apparatus, a first dielectric window recess is formed on an outer region of a surface of the dielectric window in a diametrical direction of the dielectric window at a side where plasma is generated, and the first dielectric window recess is extended in a ring shape and has a tapered shape inwardly in a thickness direction of the dielectric window . A multiple number of second dielectric window recesses to are formed between the center of the dielectric window and the first dielectric window recess , and each of the second dielectric window recesses to is recessed inwardly in the thickness direction of the dielectric window from the surface of the dielectric window 1. A plasma processing apparatus using microwave as a plasma source , the plasma processing apparatus comprising:a dielectric window for the plasma processing apparatus, the dielectric window having a substantially circular plate shape and propagating the microwave,wherein a first dielectric window recess is formed on an outer region of a surface of the dielectric window in a diametrical direction of the dielectric window at a side where plasma is generated when the dielectric window is mounted in the plasma processing apparatus, and the first dielectric window recess is extended in a ring shape and has a tapered shape inwardly in a thickness direction of the dielectric window,a plurality of second dielectric window recesses are formed between a center of the dielectric window and the first dielectric window recess, and each of the second dielectric window recesses is recessed inwardly in the thickness direction of the dielectric window from the surface of the dielectric window, andthe second dielectric window recesses are arranged at a regular interval in a circumferential direction of the dielectric window to have rotation symmetry about the center of the dielectric window in the diametrical direction thereof.3. The plasma processing apparatus of claim 2 , ...

Подробнее
02-05-2013 дата публикации

Lamp

Номер: US20130106282A1
Автор: Lidstrom Kjell
Принадлежит:

To the common point C of two transistors of a magnetron, switched converter power circuit is connected a coupling capacitor which provides input to a starter circuit. A transistor switch is in series with the capacitor and a diode. When the switch is off no current flows in D When the switch is made, D conducts during alternate halves of cycles present at C. A second diode also conducts and allows current to pass through discharge capacitor. This progressively charges until the voltage across it reaches the breakdown voltage of a gas discharge tube GTD. Whereupon the capacitor discharges through the primary winding of transformer TR The secondary winding has many more turns and a starter voltage is induced in the starter electrode. This is isolated from the Faraday cage and terminates adjacent the crucible, close to the void. 2. A magnetron powered lamp as claimed in claim 1 , wherein the selective charging means is an electronic switch normally isolating the discharging means from the switched point of the power circuit.3. A magnetron powered lamp as claimed in claim 1 , wherein the selective charging means is a electronic switch normally grounding the discharging means.4. A magnetron powered lamp as claimed in claim 1 , wherein the electronic switch is a transistor and the means for discharging the capacitor is a gas discharge unit.5. A magnetron powered lamp as claimed in claim 1 , wherein the electronic switch is a transistor and the means for discharging the capacitor is a trigger diode.6. A magnetron powered lamp as claimed in claim 1 , wherein the microprocessor controls the MSCPC via an integrated circuit arranged in a feed back loop and adapted to apply a control signal to the converter switching circuit in accordance with a comparison of a signal from means for measuring MSCPC with a signal from the microprocessor for controlling the power of the magnetron to a desired power. The present invention relates to a lamp, incorporating a magnetron powered light ...

Подробнее
23-05-2013 дата публикации

Flexible Impedance Matching for a Microwave Generator Supplied with Pulse Current

Номер: US20130127337A1
Принадлежит:

A method for operating an arrangement of equipment that include a pulse generator for generating electrical pulses, a microwave generator with a break-through voltage, and a transmission element is provided. For transmission of the pulses, the pulse generator is connected to the microwave generator via the transmission element, which in the arrangement of equipment, acts as an impedance varying over time. The voltage characteristic over time or the current characteristic over time of each pulse is defined such that in an operating mode, the impedance of the transmission element is matched to the impedance of the microwave generator when the break-through voltage is reached. 1. A method for operating an arrangement of equipment that comprises a pulse generator for generating electrical pulses , a microwave generator with a break-through voltage , and a transmission element , wherein the pulse generator is connected to the microwave generator for transmission of the electrical pulses via the transmission element , the transmission element acting in the arrangement of equipment as an impedance varying over time , the method comprising:setting each of the electrical pulses with a voltage characteristic that changes over time or a current intensity characteristic that changes over time such that the impedance of the transmission element is matched in operating mode to an impedance of the microwave generator when the break-through voltage is reached.2. The method as claimed in claim 1 , further comprising varying claim 1 , in a calibration mode claim 1 , the voltage characteristic of the pulses over time or the current intensity characteristic of the pulses over time such that the impedance of the transmission element is matched in the operating mode to the impedance of the microwave generator when the break-through voltage is reached.3. The method as claimed in claim 1 , further comprising generating the voltage characteristic of the pulses over time by a superposition ...

Подробнее
23-05-2013 дата публикации

Method for Manufacturing Resonant Tube, Resonant Tube and Cavity Filter

Номер: US20130127569A1

A method for manufacturing a resonant tube is provided in the present invention, which comprises: mechanically mixing 88-98 wt. % of iron-nickel alloy powder, 1-8 wt. % of carbonyl iron powder, and 1-8 wt. % of carbonyl nickel powder to form a uniform powder mixture; molding the uniform powder mixture to form a resonant tube blank; and continuously sintering and annealing the resonant tube blank. Also provided in the present invention are a resonant tube and a cavity filter. The method for manufacturing a resonant tube provided in the present invention significantly enhances production efficiency while greatly reducing consumption of raw materials. Moreover, the resonant tube provided in the present invention reduces, to the greatest extent, segregation of alloy components and coarse and uneven microstructures, thereby increasing the performance and stability of the corresponding products. 1. A method for manufacturing a resonant tube , wherein comprising:mechanically mixing 88-98 wt. % of iron-nickel alloy powder, 1-8 wt. % of carbonyl iron powder, and 1-8 wt. % of carbonyl nickel powder to form a uniform powder mixture;molding the uniform powder mixture to form a resonant tube blank; andcontinuously sintering and annealing the resonant tube blank.2. The method according to claim 1 , wherein the method further comprising: preparing the iron-nickel alloy powder before said mechanically mixing claim 1 , wherein preparing the iron-nickel alloy powder comprises preparing an alloy powder claim 1 , which is ball- or blob-shaped particles and comprises 36 wt. % of nickel and 64 wt. % of iron claim 1 , select purity iron and purity nickel using an ultrahigh pressure water or gas atomization technique.3. The method according to claim 1 , wherein said mechanically mixing comprises: mechanically mixing claim 1 , using a mechanical ball-mixing process claim 1 , the iron-nickel alloy powder claim 1 , the carbonyl iron powder claim 1 , and the carbonyl nickel powder with a ...

Подробнее
30-05-2013 дата публикации

COMPACT HIGH-VOLTAGE ELECTRON GUN

Номер: US20130134324A1
Принадлежит: KLA-TENCOR CORPORATION

One embodiment relates to a high-voltage electron gun including an insulator stand-off having a resistive layer. The resistive layer is at least on an interior surface of the insulator stand-off. A cathode holder is coupled to one end of the insulator 115 stand-off, and an anode is coupled to the other end. The resistive layer advantageously increases the surface breakdown field strength for the insulator stand-off and so enables a compact design for the high-voltage electron gun. Other embodiments, aspects and feature are also disclosed. 1. A high-voltage electron gun comprising:an insulator stand-off having first and second open ends;a resistive layer on the insulator stand-off, wherein the resistive layer is at least on an interior surface of the insulator stand-off;a cathode holder coupled to the first open end of the insulator stand-off, wherein the cathode holder holds a cathode emitter from which electrons are emitted; andan anode coupled to the second open end of the insulator stand-off and having an opening through which an electron beam formed from the emitted electrons is output.2. The electron gun of claim 1 , wherein voltages are applied to the anode and the cathode such that electrons in the electron beam have an average energy in a range from 10 kilo-electron-volts to 1 mega-electron-volt.3. The electron gun of claim 1 , further comprising:a first control electrode which is positioned within the insulator stand-off; anda first electrical connection through the insulator stand-off to the first electrode.4. The electron gun of claim 3 , further comprising:a second control electrode which is positioned within the insulator stand-off; anda second electrical connection through the insulator stand-off to the second electrode.5. The electron gun of claim 4 , further comprising:a third control electrode which is positioned within the insulator stand-off; anda third electrical connection through the insulator stand-off to the third electrode.6. The electron ...

Подробнее
30-05-2013 дата публикации

Magnetron Power Supply

Номер: US20130134872A1
Автор: Lidstrom Kjell
Принадлежит:

A power supply for a magnetron has a PFC DC voltage source and an HV (High Voltage) converter. The voltage source is mains driven and supplies DC voltage above mains voltage on line, smoothed by capacitor to the HV converter. The latter supplies switched alternating current to transformer. This supplies higher voltage alternating current to a rectifier, in turn supplying the magnetron with high, magnetron powering, anode voltage on line. The DC voltage source has an PFC inductor, which is switched by a transistor switch under control of an integrated circuit. It is the inductor which enables the voltage source to provide a variable DC voltage. An input rectifier is provided for rectifying mains voltage. The output voltage of the voltage source is monitored and fed back to the integrated circuit by a voltage divider. 2. A magnetron power supply as claimed in claim 1 , wherein the DC voltage control means for passing deviation of the control voltage is a microprocessor programmed to produce a control voltage indicative of a desired output power of the magnetron to the MSCPC for controlling the power of the magnetron.3. A magnetron power supply as claimed in claim 2 , wherein the power or current measuring means is a resistor in series with the MSCPC claim 2 , one end of the resistor being grounded and the other being connected to the MSCPC and to the microprocessor.4. A magnetron power supply as claimed in claim 2 , wherein the converter control means is an adaptation of the microprocessor programmed to control the voltage source in the manner set out.5. A magnetron power supply as claimed in claim 1 , wherein the converter control means is:a microprocessor programmed to produce a control voltage indicative of a desired output power of the magnetron andan integrated circuit arranged in a feed back loop and adapted to apply a control signal to the MSCPC in accordance with a comparison of a voltage from the measuring means with the voltage from the microprocessor for ...

Подробнее
30-05-2013 дата публикации

MILLIMETER WAVEBAND FILTER AND METHOD OF VARYING RESONANT FREQUENCY THEREOF

Номер: US20130135063A1
Принадлежит: ANRITSU CORPORATION

The millimeter waveband filter includes: a transmission line that is formed by a waveguide which propagates electromagnetic waves with a predetermined frequency range of a millimeter waveband from one end to the other end in a TE10 mode; and a pair of radio-wave half mirrors that are disposed opposite each other with a space interposed therebetween so as to block the inside of the transmission line and have planar shapes and a characteristic of transmitting a part of the electromagnetic waves with the predetermined frequency range and reflecting a part thereof. In the electromagnetic waves incident from the one end side of the transmission line, a frequency component centered on a resonant frequency of a resonator, which is formed between the pair of radio-wave half mirrors, is selectively output from the other end of the transmission line. 1. A millimeter waveband filter comprising:a transmission line that is formed by a waveguide into which electromagnetic waves with a predetermined frequency range of a millimeter waveband are incident and which propagates the corresponding incident electromagnetic waves from one end to the other end in a TE10 mode; anda pair of radio-wave half mirrors that are disposed opposite each other with a space interposed therebetween so as to block the inside of the transmission line and have planar shapes and a characteristic of transmitting a part of the electromagnetic waves with the predetermined frequency range and reflecting another part thereof,wherein in the electromagnetic waves incident from the one end side of the transmission line, a frequency component centered on a resonant frequency of a resonator, which is formed between the pair of radio-wave half mirrors, is selectively output from the other end of the transmission line.2. The millimeter waveband filter according to claim 1 , wherein in order to change an electrical length between the pair of radio-wave half mirrors claim 1 , at least one of space-varying means claim 1 , ...

Подробнее
06-06-2013 дата публикации

RESONATOR CONFIGURATION FOR MICROWAVE GENERATOR

Номер: US20130140985A1
Автор: DOMMER JOSEF
Принадлежит: DIEHL BGT DEFENCE GMBH & CO. KG.

In order to increase a service life of a microwave generator, a resonator configuration for a microwave generator has a hollow cylindrical electrical conductor positioned inside a housing, a first electrode, and a second electrode. Two electrodes are spaced apart from one another and form a spark gap in the region of the conductor. A contact element is provided for making electrical contact between the conductor and the first electrode. The position of the first electrode can be adjusted to modify a length of the spark gap. Furthermore, the contact element is electrically connected to the first electrode or its holder so as to resist movement so that the opposing contact surfaces remain in contact even when the position of the first electrode is adjusted with respect to the second electrode. The contact element is configured to be deformable, preferably elastically deformable, for this purpose. 1. A resonator configuration for a microwave generator , comprising:a housing;a hollow cylindrical electrical conductor positioned inside said housing;a first electrode;a second electrode, said first and second electrodes being spaced apart from one another and form a spark gap in a region of said conductor;a contact element for making electrical contact between said conductor and said first electrode;a position of said first electrode being adjusted to modify a length of said spark gap;a holder for holding said first electrode; andsaid contact element having at least one contact region connected to one of said first electrode or said holder so as to resist movement, and said contact element being deformable so that opposing contact surfaces of said conductor and said first electrode remain in electrical contact even when a position of said first electrode is adjusted with respect to said second electrode.2. The configuration according to claim 1 , wherein said contact element has at least one further contact region connected to said conductor so as to resist movement.3. The ...

Подробнее
18-07-2013 дата публикации

MICROWAVE INTRODUCING MECHANISM, MICROWAVE PLASMA SOURCE AND MICROWAVE PLASMA PROCESSING APPARATUS

Номер: US20130180661A1
Принадлежит: TOKYO ELECTRON LIMITED

The microwave introducing mechanism includes an antenna unit having a planar antenna radiating a microwave into a chamber; a tuner for performing impedance matching; and a heat dissipation device for dissipating a heat from the antenna unit. The tuner has a tuner main body including a tubular outer conductor and a tubular inner conductor to serve as a part of a microwave transmission line; slugs provided between the outer conductor and the inner conductor to be movable along a longitudinal direction of the inner conductor; and a driving device for moving the slugs. The heat dissipation device has a heat pipe configured to transfer the heat of the antenna unit from its heat input end to its heat dissipation end. 1. A microwave introducing mechanism , provided in a microwave transmission line through which a microwave outputted from a microwave output unit of a microwave plasma source is transmitted , for introducing the microwave into a chamber , the microwave plasma source being configured to generate a microwave plasma in the chamber , the mechanism comprising:an antenna unit including a planar antenna configured to radiate the microwave into the chamber through the microwave transmission line;a tuner provided in the microwave transmission line to adjust an impedance of the microwave transmission line; anda heat dissipation device configured to dissipate a heat from the antenna unit,wherein the tuner includes:a tuner main body having a tubular outer conductor and a tubular inner conductor coaxially provided in the outer conductor, the tuner main body serving as a part of the microwave transmission line;a slug provided between the outer conductor and the inner conductor to be movable along a longitudinal direction of the inner conductor, the slug having an annular shape and being made of a dielectric material; anda driving device configured to move the slug, andwherein the heat dissipation device includes:a heat pipe, having a heat input end and a heat dissipation ...

Подробнее
29-08-2013 дата публикации

Electron tube

Номер: US20130221844A1
Автор: David Bernard Fox
Принадлежит: e2v Technologies UK Ltd

A high power electron tube, such as a magnetron, has the disadvantage that, to reduce the chances of the ceramic RF window failing in use, the manufacturing step entails a prolonged ageing period of powering the magnetron at low power on test, in order to drive any absorbed gases out of the RF window. According to the invention, the RF window 6 is internally glazed ( 8 ), which makes it possible to avoid the ageing period.

Подробнее
19-09-2013 дата публикации

HARMONIC MODE MAGNETRON

Номер: US20130241407A1
Автор: WHYMAN Neil G.
Принадлежит: L-3 Communications Corporation

A novel magnetron achieves increased power output at high frequencies by replacing a typical resonant cavity with a slow-wave waveguide structure. Waveguides built into the anode body sustain oscillations having phase change coefficients of 2*pi*n radians per section, where n is a positive integer. The magnetron is capable of supporting RF oscillations at frequency harmonics of the fundamental frequency, permitting it to operate at frequencies double or quadruple that of a similarly sized conventional magnetron. 1. A harmonic mode magnetron for converting DC electrical current to radio frequency (RF) power comprising:an anode body formed from a conductive material and including a central cavity; anda cathode fixed within the central cavity of the anode body;wherein the anode body further comprises at least two slow-wave waveguide structures formed within the anode body, each slow-wave waveguide structure comprising a channel having a rectangular cross section cutting through the anode body in a continuous path and having two openings into the central cavity such that the two openings and the channel define a central column of anode body material between them and wherein the central column forms one broadwall of the slow-wave waveguide structure and wherein another broadwall of the slow-wave waveguide structure is formed from the anode body.2. The harmonic mode magnetron of claim 1 , wherein each slow-wave waveguide structure further comprises one narrow wall formed from the anode body material and another narrow wall formed from a cap material joined to the anode body.3. The harmonic mode magnetron of claim 1 , wherein each slow-wave waveguide structure further comprises two narrow walls formed from the anode body material.4. The harmonic mode magnetron of claim 1 , wherein the anode body is formed from copper.5. The harmonic mode magnetron of claim 1 , further comprising mode-isolating structures for suppressing certain harmonic oscillation modes.6. The harmonic ...

Подробнее
03-10-2013 дата публикации

Electron gun, x-ray generator and x-ray measurement apparatus

Номер: US20130259197A1
Принадлежит: Rigaku Corp

An electron gun having: a cathode for emitting electrons; a first Wehnelt electrode equipped with a first aperture through which electrons are allowed to pass; and a second Wehnelt electrode that is equipped with a second aperture disposed at a predetermined position with respect to the cathode and the first aperture, and that is furnished at a position closer to the cathode than the first Wehnelt electrode, wherein: the cathode and the second Wehnelt electrode are included within a single assembly constituting a unitary body; and the assembly is detachably attached to the first Wehnelt electrode. Replacement of the cathode can be performed by detaching the cathode unit from the first Wehnelt electrode, and then ejecting the cathode unit out from the Wehnelt cover. The emitter of the cathode can thereby be reliably positioned with respect to the second aperture.

Подробнее
31-10-2013 дата публикации

CAVITY RESONATOR

Номер: US20130283892A1
Автор: Parker Alan
Принадлежит:

Cavity resonator comprising: a cavity having a fluid entrance and a fluid exit forming a fluid flow path through the cavity. A shorting plate within the cavity arranged within the fluid flow path. The cavity resonator may be used in a system for detecting properties of a fluid, where the system also comprises a fluid supply, a high frequency supply, and a detector for detecting one or more resonant frequencies of the cavity resonator. 1. A cavity resonator comprising:a cavity having a fluid entrance and a fluid exit forming a fluid flow path through the cavity; anda shorting plate within the cavity arranged within the fluid flow path.2. The cavity resonator of claim 1 , wherein the shorting plate comprises one or more apertures for fluid to pass through.3. (canceled)4. The cavity resonator according to claim 1 , wherein the cavity is cylindrical.5. The cavity resonator according to further comprising an inner conductor.6. The cavity resonator of claim 5 , wherein the inner conductor is coaxial with the cavity.7. The cavity resonator of claim 5 , wherein the inner conductor is in contact with the shorting plate.8. (canceled)9. The cavity resonator according to claim 1 , wherein the shorting plate is annular.10. (canceled)11. The cavity resonator of further comprising non-conductive end plates.12. The cavity resonator according to claim 1 , wherein the cavity resonator is configured to resonate at 600 MHz and above.13. The cavity resonator according to claim 1 , wherein the cavity resonator is configured to resonate at multiple frequencies.14. A system for detecting properties of a fluid claim 1 , the system comprising: a cavity having a fluid entrance and a fluid exit forming a fluid flow path through the cavity; and', 'a shorting plate within the cavity arranged within the fluid flow path;, 'a cavity resonator comprisinga fluid supply;a radio or microwave frequency supply; anda detector configured to detect one or more resonant modes of the cavity resonator.15. A ...

Подробнее
14-11-2013 дата публикации

Generating Microwave Radiation

Номер: US20130300287A1
Автор: Heuermann Oliver
Принадлежит:

A method for operating a device having an anode and a cathode for generating microwave radiation with an accelerating voltage is provided. A chronological sequence of the accelerating voltage is provided by a series of voltage pulses. A first voltage pulse with an operating amplitude is applied between the anode and the cathode in order to determine whether an electric flashover occurs during the applied first voltage pulse. A second voltage pulse is applied following the first voltage pulse with a deionization amplitude that is smaller than the operating amplitude when the electric flashover occurs during the applied first voltage pulse. 1. A method for operating a device having an anode and a cathode for generating microwave radiation with an accelerating voltage , a chronological sequence of the accelerating voltage being provided by a sequence of voltage pulses , the method comprising:applying a first voltage pulse with an operating amplitude between the anode and the cathode;determining whether an electric flashover occurs during the applied first voltage pulse; andapplying a second voltage pulse following the first voltage pulse with a deionization amplitude that is smaller than the operating amplitude when the electric flashover occurs during the applied first voltage pulse.2. The method as claimed in claim 1 , further comprising waiting a deionization period before the application of the second voltage pulse when the electric flashover occurs.3. The method as claimed in claim 1 , further comprising:applying at least one additional first voltage pulse with the operating amplitude before the application of the second voltage pulse; andcounting of the applied first voltage pulses between the anode and the cathode, in which the electric flashover occurs,wherein applying the second voltage pulse comprises applying the second voltage pulse when the number of applied first voltage pulses in which the flashover occurs exceeds a predetermined number.4. The method as ...

Подробнее
05-12-2013 дата публикации

Filter for a magnetron power supply lead

Номер: US20130321099A1
Принадлежит: e2v Technologies UK Ltd

An inductive filter for a magnetron power supply lead comprises an electrically insulating tube; a power lead located partially within the electrically insulating tube, and coaxial therewith, for supplying power from a magnetron power supply to a magnetron, a first core of a first magnetic material and a second core of a second magnetic material coaxially located on the electrically insulating tube; an insulating disc of same external diameter as the first core and the second core and coaxially located on the electrically insulating tube between the first core and the second core. The inductive filter is arranged to filter noise of a first frequency band and noise of a second, different, frequency band different from being transmitted along the power lead and to absorb a predetermined transient voltage from being transmitted along the power lead.

Подробнее
12-12-2013 дата публикации

MAGNETRON ELECTRODE FOR PLASMA PROCESSING

Номер: US20130327635A1
Принадлежит:

The invention aims to provide a magnetron electrode for plasma treatment that is free of significant abnormal electrical discharge and able to perform electrical discharge with long-term stability. A second electrode is provided only at a position outside the inner side surface of the outer magnetic pole of a first electrode or at a position where the magnetic flux density is low. 1. A magnetron electrode for plasma treatment comprising at least a first electrode having an electrical discharging surface , a magnet to form a magnetic circuit for magnetron on the electrical discharging surface of the first electrode , and a second electrode electrically insulated from the first electrode so as to allow an electric potential to be maintained between the first electrode and the second electrode , wherein the second electrode is disposed so as to hang over the electrical discharging surface of the first electrode with a gap between them extending from the first electrode in the direction perpendicular to its electrical discharging surface , and wherein an inner edge of the second electrode is located outside an inner side surface of an outer magnetic pole of the magnetic circuit and simultaneously inside an outer side surface of the first electrode.2. A magnetron electrode for plasma treatment of claim 1 , wherein the second electrode is disposed at such a position that at the surface of the second electrode opposite to the first electrode claim 1 , the magnetic flux density in the perpendicular direction to the second electrode is 20 millitesla or less.3. A magnetron electrode for plasma treatment comprising at least a first electrode having an electrical discharging surface claim 1 , a magnet to form a magnetic circuit for magnetron on the electrical discharging surface of the first electrode claim 1 , and a second electrode electrically insulated from the first electrode so as to allow an electric potential to be maintained between the first electrode and the second ...

Подробнее
19-12-2013 дата публикации

TUNABLE CAVITY RESONATOR

Номер: US20130335173A1
Принадлежит: PURDUE RESEARCH FOUNDATION

A tunable cavity resonator includes a housing, a post, and a controllably variable capacitive coupling. The housing defines an interior and has at least one side wall, a first end, and a second end. The post is located within the interior and extends from the first end to the second end. The post and the housing define a resonating cavity. The controllably variable capacitive coupling is disposed in the housing. 1. A tunable cavity resonator comprising:a housing defining an interior, the housing having at least one sidewall, a first end, and a second end;a post within the interior extending from the first end to the second end, the post and the housing defining a resonating cavity; anda controllably variable capacitive coupling disposed in the housing.2. The tunable cavity resonator of claim 1 , wherein:the housing defines a gap space, andthe controllably variable capacitive coupling is at least partially located in the gap space.3. The tunable cavity resonator of claim 2 , wherein the gap space is disposed in the first end.4. The tunable cavity resonator of claim 3 , wherein:the first end defines a generally circular periphery,the first end defines a radially inner end portion spaced apart from a radially outer end portion, andthe gap space is positioned between the radially inner end portion and the radially outer end portion.5. The tunable cavity resonator of claim 4 , wherein:the post defines a post impedance,the controllably variable capacitive coupling defines a controllably variable capacitance, andthe post is in series with the controllably variable capacitance.6. The tunable cavity resonator of claim 1 , wherein:the controllably variable capacitive coupling includes a plurality of tuning components configured to exhibit a controllably variable capacitance, andthe plurality of tuning components includes a plurality of varactors configured to exhibit the controllably variable capacitance.7. The tunable cavity resonator of claim 1 , wherein:the controllably ...

Подробнее
09-01-2014 дата публикации

Device and Method for the Treatment of a Gaseous Medium and Use of the Device for the Treatment of a Gaseous Medium, Liquid, Solid, Surface or any Combination Thereof

Номер: US20140010707A1
Автор: Beaudouin Jean-Michel
Принадлежит:

The device for the treatment of a gaseous medium according to the invention comprises in flow direction of the gaseous medium a plasma-generating device for the generation of a plasma in the gaseous medium. The plasma comprises in particular excited molecules, radicals, ions, free electrons, photons and any combination thereof. Furthermore, the device according to the invention comprises at least one dielectric structure, in particular at least one fused silica tube. The plasma is conveyable into the at least one dielectric structure, in particular after generation in the plasma-generating device. 130-. (canceled)31. Device for the treatment of a gaseous medium , wherein the device comprises in flow direction of the gaseous mediuma plasma-generating device for the generation of a plasma in the gaseous medium, andat least one dielectric structure formed as at least one fused silica tube, wherein the plasma is conveyable into the at least one dielectric structure.32. Device according to claim 31 , wherein the device comprises claim 31 , in flow direction of the gaseous medium downstream of the at least one dielectric structure claim 31 , an interaction-chamber with an interior space with at least one wall.33. Device according to claim 32 , wherein the at least one wall exhibits at least a partial diamond coating on the interior space side.34. Device according to claim 31 , wherein no microwave radiation is applied to the at least one dielectric structure.35. Device according to claim 32 , wherein the interaction-chamber comprises at least one electrode.36. Device according to claim 35 , wherein the at least one electrode exhibits a partial diamond coating.37. Device according to claim 32 , wherein the interaction-chamber comprises an amplification structure claim 32 , wherein the amplification structure comprises at least a partial diamond coating.38. Device according to claim 37 , wherein a substantially cylindrical structure is arranged in the volume enclosed by a ...

Подробнее
23-01-2014 дата публикации

Electron tube

Номер: US20140021859A1
Автор: Victor Leslie Watson
Принадлежит: e2v Technologies UK Ltd

A magnetron has an anode body ( 1 ) and including a ceramic sleeve ( 7 ). In higher power generators, stray radiation is emitted from this sleeve in addition to the main power launched from the antenna into the waveguide ( 2 ), and RF absorbing material is provided. Such absorbers, however, tend to be frequency-selective, and can overheat. According to the invention, a non-metallic jacket ( 13 ) containing a dielectric liquid such as water surrounds the sleeve. This provides absorption over a broad band of frequencies, and it is easy to make the jacket have a sufficiently high thermal capacity, for example, by arranging a flow of liquid through it.

Подробнее
13-02-2014 дата публикации

INVERTED CYLINDRICAL MAGNETRON (ICM) SYSTEM AND METHODS OF USE

Номер: US20140042022A1
Принадлежит: Palmaz Scientific, Inc.

An Inverted Cylindrical Magnetron (ICM) System and Methods of Use is disclosed herein generally comprising a co-axial central anode concentrically located within a first annular end anode and a second annular end anode; a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall; a cathode concentrically coupled to the tube insulator and a target; and a plurality of multi-zone electromagnets or hybrid electro-permanent magnets surrounding the exterior of the process chamber providing a tunable magnetic field. 1. An inverted cylindrical magnetron (ICM) source comprising:a. a co-axial central anode concentrically located within a first annular end anode and a second annular end anode;b. a process chamber including a top end and a bottom end in which the first annular end anode and the second annular end anode are coaxially disposed, whereby the first annular end anode, the second annular end anode, and the central anode form a 3-anode configuration to provide electric field uniformity, and the process chamber including a central annular space coupled to a tube insulator disposed about the central annular space wall;c. a cathode concentrically coupled to the tube insulator and a target; andd. a plurality of multi-zone magnets surrounding the exterior of the process chamber providing a tunable magnetic field.2. The ICM source of claim 1 , further comprising:a. a temperature adjustable target cooling jacket coaxially disposed between the tube insulator and the target; and wherein the plurality of multi-zone magnets are selected from the group consisting of electromagnets or hybrid electro-permanent ...

Подробнее
13-02-2014 дата публикации

MICROWAVE TM MODE RESONATOR AND AN ELECTRICAL FILTER INCLUDING SUCH A RESONATOR

Номер: US20140043114A1
Автор: Mobbs Christopher Ian
Принадлежит: FILTRONIC WIRELESS LIMITED

A microwave TM mode resonator includes a resonator cavity defined by an electrically conducting cavity wall having first and second spaced apart end faces and a side wall extending therebetween. The resonator further includes a resonator body within the cavity extending along its length between the first and second end faces, wherein a portion of the length of the resonator body is a dielectric and a further portion of the length is a metal. 1. A microwave TM mode resonator comprising:a resonator cavity defined by an electrically conducting cavity wall, the cavity wall comprising first and second spaced apart end faces and a side wall extending therebetween;a resonator body within the resonator cavity extending along its length between the first and second end faces; anda portion of the length of the resonator body being a dielectric and a further portion of the length being a metal.2. A microwave TM mode resonator as claimed in claim 1 , wherein the resonator body comprises a dielectric portion sandwiched between metal portions.3. A microwave TM mode resonator as claimed in claim 2 , wherein the dielectric is a ceramic.4. A microwave TM mode resonator as claimed in claim 1 , wherein at least one of the first and second end faces is spring loaded claim 1 , the spring urging the end face into contact with the resonator body.5. A microwave TM mode resonator as claimed in any claim 1 , further comprising a tuning screw.6. A microwave TM mode resonator as claimed in claim 5 , wherein the tuning screw extends through one of the end faces into the dielectric portion of the resonator body.7. A microwave TM mode resonator as claimed in claim 6 , wherein the tuning screw extends through the metal portion of the resonator body into the dielectric portion.8. A microwave TM mode resonator as claimed in claim 7 , wherein the tuning screw extends through the dielectric portion of the resonator body into a further metal portion of the resonator body.9. A microwave TM mode ...

Подробнее
20-03-2014 дата публикации

Wideband Small-Scale Cavity Oscillator

Номер: US20140077889A1

A wideband small-scale cavity oscillator includes a single resonating chamber, a negative resistance diode, at least one capacitive waveguide obstacle, and a tap. The single resonating chamber includes a length, width, and height. The length is greater than the width and height. The negative resistance diode is centrally disposed in the single resonating chamber, and the at least one capacitive waveguide obstacle is disposed in the single resonating chamber. The tap is disposed along the length of the single resonating chamber. A method of manufacturing a wideband small-scale cavity oscillator is provided, which includes providing a single resonating chamber including a length, width, and height, disposing a negative resistance diode centrally in the single resonating chamber, disposing at least one capacitive waveguide obstacle in the single resonating chamber, and disposing a tap along the length of the single resonating chamber.

Подробнее
16-01-2020 дата публикации

HIGH FREQUENCY WINDOW AND MANUFACTURING METHOD THEREFOR

Номер: US20200020999A1
Принадлежит: NEC Network and Sensor Systems, Ltd.

An invention comprises: a circular waveguide that has a cylindrical section having a circular pipe conduit with a circular shaped cross section, and side wall sections joined to the both sides in an axial direction of the cylindrical section; a first rectangular waveguide that has a first rectangular pipe conduit with a rectangular shaped cross section and that is joined to one of the side wall sections so that the first rectangular pipe conduit communicates with the circular pipe conduit; a second rectangular waveguide that has a second rectangular pipe conduit with a rectangular shaped cross section and that is joined to the other of the side wall sections so that the second rectangular pipe conduit communicates with the circular pipe conduit; and a dielectric plate that is configured as a plate shape, is disposed in the circular pipe conduit, and is airtightly held to the cylindrical section, wherein the circular waveguide has a plastically deformable section that is plastically deformable so that at least the length in an axial direction of the circular waveguide can be changed. 1. A high frequency window , comprising:a circular waveguide that has a cylindrical section having a circular pipe conduit with a circular shaped cross section, and side wall sections joined to both sides in an axial direction of the cylindrical section;a first rectangular waveguide that has a first rectangular pipe conduit with a rectangular shaped cross section and that is joined to one of the side wall sections so that the first rectangular pipe conduit communicates with the circular pipe conduit;a second rectangular waveguide that has a second rectangular pipe conduit with a rectangular shaped cross section and that is joined to the other of the side wall sections so that the second rectangular pipe conduit communicates with the circular pipe conduit; anda dielectric plate that is configured as a plate shape, is disposed in the circular pipe conduit, and is airtightly held to the ...

Подробнее
21-01-2021 дата публикации

METHODS AND APPARATUS FOR PHASE CHANGE DETECTION USING A RESONATOR

Номер: US20210021449A1
Принадлежит:

Disclosed is a microwave cavity resonator used as a phase change (phase modulation) to intensity change (intensity or amplitude modulation) converter. Certain aspects and embodiments include resonant circuits, such as a resistor, inductor and capacitor (RLC) circuit. Certain aspects and embodiments convert changes in phase to changes in output voltage to perform analog demodulation of a phase modulated microwave carrier. Certain aspects and embodiments use resonance when the reactive components of the circuit (capacitive and inductive components) are equal in magnitude and 180 degrees out of phase with one another, thereby cancelling out the reactance component of the circuit's impedance. 1. A communications receiver comprising:an input to receive a phase modulated radio frequency (RF) input signal;a resonator coupled to the input and configured to receive the phase modulated RF input signal and to produce an electrical output signal having characteristics representative of a phase modulation of the phase modulated RF input signal; andsignal processing circuitry configured to receive and process the electrical output signal to produce a decoded information signal.2. The communications receiver of claim 1 , wherein the electrical output signal has amplitude variations that correspond to the phase modulation of the phase modulated RF input signal.3. The communications receiver of claim 2 , wherein the electrical output signal is a voltage and the amplitude variations are voltage spikes.4. The communications receiver of claim 1 , wherein the resonator includes fiber-coupled to the input.5. The communications receiver of claim 1 , wherein the input is an antenna.6. The communications receiver of claim 1 , wherein the resonator is a microwave cavity resonator.7. The communications receiver of claim 6 , wherein the at least one microwave cavity resonator includes a substantially closed structure defining an internal cavity in which the signal energy is resonated.8. The ...

Подробнее
26-01-2017 дата публикации

MICROWAVE CAVITY RESONATOR

Номер: US20170025735A1
Автор: MADLE Erik
Принадлежит:

One embodiment is directed to a microwave cavity resonator comprises a cavity housing forming a cavity. A resonator element is arranged in the cavity and extends longitudinally along a longitudinal axis, wherein the resonator element comprises, when viewed along the longitudinal axis, a first end connected to a first housing wall and a second end opposite the first end, the second end being arranged at a distance from a second housing wall. The resonator element, at its second end, comprises at least one first capacitor element and the cavity housing comprises at least one second capacitor element reaching into the cavity and arranged at a distance, when viewed along a direction perpendicular to the longitudinal axis, from the at least one first capacitor element such that a gap between the at least one first capacitor element and the at least one second capacitor element is formed. 1. A microwave cavity resonator , comprising:a cavity housing forming a cavity, the cavity housing comprising a first housing wall and a second housing wall opposite the first housing wall, anda resonator element arranged in the cavity and extending longitudinally along a longitudinal axis, wherein the resonator element comprises, when viewed along the longitudinal axis, a first end connected to the first housing wall and a second end opposite the first end, the second end being arranged at a distance from the second housing wall,wherein the resonator element, at its second end, comprises at least one first capacitor element and the cavity housing comprises at least one second capacitor element reaching into the cavity and arranged at a distance, when viewed along a direction perpendicular to the longitudinal axis, from the at least one first capacitor element such that a gap between the at least one first capacitor element and the at least one second capacitor element is formed.2. The microwave cavity resonator according to claim 1 , wherein the at least one first capacitor element and ...

Подробнее
25-01-2018 дата публикации

CONNECTOR DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM

Номер: US20180025882A1
Автор: KAWASAKI Kenichi
Принадлежит:

A connector device of the present disclosure includes two waveguides configured to transmit a radio-frequency signal, a state monitoring unit configured to monitor a connection state of the two waveguides, and a control unit that is provided on a side of the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit. 1. A connector device comprising:two waveguides configured to transmit a radio-frequency signal;a state monitoring unit configured to monitor a connection state of the two waveguides; anda control unit that is provided on a side of the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit.2. The connector device according to claim 1 , wherein the state monitoring unit is provided on the side of the waveguide on the transmission side.3. The connector device according to claim 1 , wherein the state monitoring unit monitors whether the connection state of the two waveguides is a state in which radio wave leakage is generated at a connection part thereof.4. The connector device according to claim 1 , wherein in a case where the connection state of the two waveguides is a state in which opening ends of the two waveguides are in contact with or adjacent to each other claim 1 , a leakage prevention structure to prevent leakage of a radio wave from a connection part is provided at least on the side of the waveguide on the transmission side.5. The connector device according to claim 4 , wherein the leakage prevention structure has a choke structure provided at least in a peripheral part of the opening end of the waveguide on ...

Подробнее
10-02-2022 дата публикации

SELF-ASSEMBLED HELICAL SLOW-WAVE STRUCTURES FOR HIGH-FREQUENCY SIGNALS

Номер: US20220044904A1
Принадлежит:

Traveling-wave tube amplifiers for high-frequency signals, including terahertz signals, and methods for making a slow-wave structure for the traveling-wave tube amplifiers are provided. The slow-wave structures include helical conductors that are self-assembled via the release and relaxation of strained films from a sacrificial growth substrate. 1. A method of making a slow-wave structure , the method comprising:forming a dielectric support membrane on a device substrate;forming a sacrificial film on a portion of a surface of the dielectric support membrane;forming a scaffold film comprising a strained dielectric material on a portion of a surface of the sacrificial film;forming a plurality of parallel, electrically conductive strips on the scaffold film, each of the electrically conductive strips having a leading end and a trailing end, wherein an edge of the scaffold film or the trailing ends of the electrically conductive strips are attached to the dielectric support membrane;selectively removing the sacrificial film underlying the scaffold film, wherein the scaffold film relaxes and rolls into a cylinder, bringing the electrically conducting strips into an end-to-end arrangement that forms a helix on an interior surface of the cylinder;electroplating the surface of the helix with an electrically conductive material;forming a first electrically conductive contact in electrical communication with a first end of the helix; andforming a second electrically conductive contact in electrical communication with the second end of the helix.2. The method of claim 1 , further comprising selectively removing a portion of the device substrate below the cylinder claim 1 , such that the portion of the dielectric support membrane to which the cylinder is tethered is suspended over the device substrate.3. The method of claim 1 , wherein the scaffold film comprises silicon nitride claim 1 , silicon oxide claim 1 , aluminum oxide claim 1 , or diamond.4. The method of claim 3 , ...

Подробнее
04-02-2016 дата публикации

SUPERCONDUCTING MULTI-CELL TRAPPED MODE DEFLECTING CAVITY

Номер: US20160035531A1
Принадлежит:

A method and system for beam deflection. The method and system for beam deflection comprises a compact superconducting RF cavity further comprising a waveguide comprising an open ended resonator volume configured to operate as a trapped dipole mode; a plurality of cells configured to provide a high operating gradient; at least two pairs of protrusions configured for lowering surface electric and magnetic fields; and a main power coupler positioned to optimize necessary coupling for an operating mode and damping lower dipole modes simultaneously. 1. An RF cavity for beam deflection comprising:a waveguide comprising an open ended resonator volume configured to operate as a trapped dipole mode;a plurality of cells configured to provide a high operating gradient; andat least two pairs of protrusions configured for lowering surface electric and magnetic fields.2. The RF cavity of wherein said RF cavity comprises a compact superconducting RF cavity.3. The RF cavity of further comprising high order monopole modes wherein said higher order monopole modes are damped by radiating to open beam line pipes.4. The RF cavity of further comprising:a main power coupler positioned to optimize necessary coupling for an operating mode and damping lower dipole modes simultaneously.5. The RF cavity of wherein said at least two pairs of protrusions are elliptical shaped.6. The RF cavity of wherein said plurality of cells comprises electrodes formed in opposite walls of said resonator.7. The RF cavity of further comprising a beam of particles configured to pass through said open ended resonator.8. The RF cavity of further comprising:a broadband coaxial antenna configured as an EM-field pick-up probe.9. The RF cavity of further comprising a capacitive diaphragm configured to control a power coupling ratio associated with said RF cavity.10. A system for beam deflection comprising: a waveguide comprising an open ended resonator volume configured to operate as a trapped dipole mode;', 'a ...

Подробнее
04-02-2016 дата публикации

RESONATOR STRUCTURE FOR A CAVITY FILTER ARRANGEMENT

Номер: US20160036115A1
Принадлежит:

A resonator according to the invention includes an Inner conductor. The resonator has a easing comprising walls, a lid and a bottom shell within which there is a resonator cavity. The Inner conductor is in said resonator cavity. The Inner conductor is a conductive material formed with a base portion having a first end and a second end having a first end attached to a surface of the resonator cavity galvanically, in addition, the inner conductor has two or more elongate conductive materials forming resonator parts having a first end and a second end, and the resonator pasts first end is galvanically secured to the base portion at one end and the other end is galvanically separated from the resonator cavity inner surface. The characteristics of the resonator parts are selected so that each produces its own resonance width. These properties Include, for example, size, shape, orientation, material, and their different combinations. 1. A resonator comprising a casing with walls , a lid and a bottom forming a resonator cavity , an inner conductor arranged to be located in said resonator cavity , wherein the inner conductor is a conductive material formed with a base portion having a first end and a second end , whose first end is arranged to be attached electrically to a surface of the casing in the resonator cavity , and two or more of the elongates conductive material forming resonator parts having a first end and a second end , wherein and the first end of the resonator part is in galvanic connection with the base portion at one end and the other end of the resonator part is galvanically isolated from an inner surface of the resonator cavity.2. The resonator as claimed in claim 1 , wherein the resonator cavity has a base to which the base portion of the inner conductor is fastened.3. The resonator as claimed in claim 1 , wherein at least one of the two resonator parts of the inner conductor is arranged in order to be fastened to the casing within the resonator cavity ...

Подробнее
31-01-2019 дата публикации

Slow waveguide for travelling wave tube

Номер: US20190035592A1
Автор: Alain Durand
Принадлежит: Thales SA

A slow waveguide for travelling wave tube includes a central plate comprising a beam slip hole, rectilinear in the same direction as the longitudinal axis of the central plate, a bottom plate and a top plate closing the waveguide, respectively arranged on and under the central plate, and a slit folded in the form of a snake having its folds in the direction of the thickness of the guide.

Подробнее
11-02-2016 дата публикации

COMPACT MAGNET DESIGN FOR HIGH-POWER MAGNETRONS

Номер: US20160042907A1
Принадлежит:

A high-power magnetron assembly includes a high-power magnetron and a compact magnetic field generator. The high-power magnetron includes a cathode configured to emit electrons in response to receiving a supply of voltage from a power supply. The high-power magnetron includes an anode configured to concentrically surround the cathode and to attract the emitted electrons across an interaction region between the cathode and the anode. The compact magnetic field generator includes a plurality of permanent magnets including: a cathode magnet that has a longitudinal axis of symmetry annularly and that is surrounded by the cathode and disposed within the magnetron; and an anode magnet configured to annularly surround an outer perimeter of the magnetron. An arrangement of the plurality of permanent magnets concentrically about the longitudinal axis of symmetry forms a specified magnetic field within the interaction region that bounds the electrons emitted within the interaction region. 1. A compact magnetic field generator comprising:a cathode magnet having a longitudinal axis, the cathode magnet configured to be surrounded by a cathode of a magnetron; andan anode magnet configured to surround an anode of the magnetron;wherein the cathode magnet and the anode magnet are each concentric about the longitudinal axis.2. The compact magnetic field generator of claim 1 , wherein the anode magnet has a hollow cylinder shape concentric with the cathode magnet.3. The compact magnetic field generator of claim 1 , wherein:the anode magnet comprises a plurality of annular wedge magnets; andthe compact magnetic field generator further comprises at least one wedge-shaped waveguide, each wedge-shaped waveguide positioned at least partially between two adjacent annular wedge magnets.4. The compact magnetic field generator of claim 1 , further comprising: 'a back end cap magnet disposed axially behind the anode magnet.', 'a front end cap magnet disposed axially in front of the anode magnet ...

Подробнее
18-02-2016 дата публикации

Microwave Disinfection and Sterilization

Номер: US20160045628A1
Принадлежит:

A method and apparatus comprising microwave radiation pulses to reduce a microorganism population in an object. 154.-. (canceled)55. An apparatus for reducing a microorganism population on an object , said apparatus comprising:a chamber for exposing an object to microwave radiation;a first magnetron having a first waveguide positioned in communication with the chamber at a first orientation to provide one or more microwave radiation pulses;at least one second magnetron having a second waveguide positioned in communication with the chamber has at least one second orientations to provide one or more microwave radiation pulses on at least a second axis,a power supply connected to the first magnetron and the at least one second magnetrons, anda programmable control panel in communication with the power supply and the first magnetron and the at least one second magnetron to deliver the one or more microwave radiation pulses as a series of repetitive pulses on a first axis and at least a second axis, wherein each of the series of repetitive pulses have a duration ranging from a fraction of a second to multiple seconds.56. The apparatus of claim 55 , wherein the one or more first microwave radiation pulses comprise a first series of repetitive pulses and each of the one or more second microwave radiation pulses comprise a second series of repetitive pulses.57. The apparatus of wherein the one or more microwave radiation pulses microwave radiation comprises one or more wavelengths between 915 MHz and 300 GHz.58. The apparatus of wherein the one or more microwave radiation pulses microwave radiation comprises one or more wavelengths about 2.45 GHz.60. The apparatus of claim 55 , wherein the first waveguide comprises a first slot radiator having 2 claim 55 , 3 claim 55 , 4 claim 55 , 5 claim 55 , 6 claim 55 , 7 claim 55 , 8 claim 55 , 9 claim 55 , 10 claim 55 , 11 claim 55 , or 12 slots and the second waveguide comprise a second slot radiator having 2 claim 55 , 3 claim 55 , ...

Подробнее
24-02-2022 дата публикации

MULTI-TYPE FILTER ASSEMBLY

Номер: US20220059915A1
Принадлежит: KMW INC.

The present disclosure relates to a multi-type filter, and in particular, to a multi-type filter comprising: a cavity filter provided in any one (hereinafter, referred to as a “reference cavity”) among a plurality of cavities formed in a housing to be open to one side; and dielectric resonator filters respectively provided in at least two cavities adjacent to the reference cavity (hereinafter, referred to as “adjacent cavities”), wherein, to control the notch characteristics between the cavity filter and the at least two dielectric resonator filters according to windows formed by cutting of portions of partition walls between the reference cavity and the adjacent cavities to be in communication with each other, the windows are provided at different positions, which is advantageous in that the cross-coupling design is very easy without the need to include a metal crossbar and the like for separate notch formation. 1. A multi-type filter assembly comprising:a cavity filter provided on any one (hereinafter, referred to a ‘reference cavity’) of a plurality of cavities formed in a housing to be opened to one side thereof; anda dielectric resonator filter provided on at least two cavities (hereinafter, referred to as an ‘adjacent cavity’) adjacent to the reference cavity, respectively,wherein windows are designed to be eccentric to locations laterally different from each other around the center so that the notch characteristics between the cavity filter and the at least two dielectric resonator filters are adjusted by the windows that communicate with each other by cutting a part of a partition wall between the reference cavity and the adjacent cavity.2. The multi-type filter assembly of claim 1 ,wherein the window has a predetermined height from bottom surfaces of the reference cavity and the adjacent cavity.3. The multi-type filter assembly of claim 1 ,wherein when assuming that two dielectric resonator filters are provided and provided adjacent to each other, and ...

Подробнее
19-02-2015 дата публикации

ENCAPSULATED MAGNETRON

Номер: US20150048735A1
Принадлежит:

Embodiments of the present invention generally provide a magnetron that is encapsulated by a material that is tolerant of heat and water. In one embodiment, the entire magnetron is encapsulated. In another embodiment, the magnetron includes magnetic pole pieces, and the magnetic pole pieces are not covered by the encapsulating material. 1. A magnetron , comprising:a plurality of magnets, wherein each of the plurality of magnets has a first end and a second end;a first magnetic pole piece, wherein the first magnetic pole piece is coupled to the first end of the magnets;a second magnetic pole piece, wherein the second magnetic pole piece is coupled to the second end of the magnets; anda first encapsulating material covering the plurality of magnets.2. The magnetron of claim 1 , wherein the first encapsulating material is coupled to the first magnetic pole piece.3. The magnetron of claim 1 , wherein the first encapsulating material is selected from at least one of epoxies claim 1 , urethanes claim 1 , and rubber.4. The magnetron of claim 1 , wherein the second magnetic pole piece is surrounded by the first magnetic pole piece.5. The magnetron of claim 4 , wherein a gap is formed between the first magnetic pole piece and a second magnetic pole piece claim 4 , and a second encapsulating material is covering the gap.6. The magnetron of claim 5 , wherein the second encapsulating material comprises a same material as the first encapsulating material.7. The magnetron of claim 5 , further comprising a plurality of ridges disposed on the second encapsulating material.8. The magnetron of claim 7 , wherein the plurality of ridges are made of a same material as the first encapsulating material.9. A magnetron claim 7 , comprising:a plurality of magnets, wherein each of the plurality of magnets has a first end and a second end;a backing plate, wherein the backing plate is coupled to the first end of the magnets;a first magnetic pole piece, wherein the first magnetic pole piece is ...

Подробнее
25-02-2016 дата публикации

RAPID 3D PROTOTYPING AND FABRICATING OF SLOW-WAVE STRUCTURES, INCLUDING ELECTROMAGNETIC META-MATERIAL STRUCTURES, FOR MILLIMETER-WAVELENGTH AND TERAHERTZ-FREQUENCY HIGH-POWER VACUUM ELECTRONIC DEVICES

Номер: US20160056005A1
Принадлежит: Raytheon Company

A method for fabricating slow-wave structures, including electromagnetic meta-material structures, for high-power slow-wave vacuum electronic devices operating in millimeter-wavelength (30 GHz-300 GHz) and terahertz-frequency (300 GHz and beyond) bands of electromagnetic spectrum. The method includes: loading a digital three dimensional model of a slow-wave structure in a memory of a 3D printer, the loaded digital three dimensional model having data therein representative of the slow-wave structure to be fabricated by the 3D printer; loading metal powder material into the 3D printer; and operating the 3D printer to melt the metal powder material in accordance with the loaded three dimensional model of the slow-wave structure and then to solidify the melted layer of the metal powder material to fabricate the slow-wave structure layer by layer. 1. A method for fabrication of a slow-wave structure , comprising:loading a digital three dimensional model of a slow-wave structure in a memory of a 3D printer, the loaded digital three dimensional model having data therein representative of the slow-wave structure to be fabricated formed by the 3D printer;loading metal powder material into the 3D printer;operating the 3D printer to fabricate the slow-wave structure in accordance with the loaded three dimensional model of the slow-wave structure.2. The method recited in wherein operating the 3D printer comprises: depositing a layer of the metal powder material; melting the deposited layer of the metal powder material in accordance with the loaded three dimensional model of the slow-wave structure to form a layer of melted metal; and then solidifying the layer of melted metal to form a layer of solid metal shaped in accordance with the loaded three dimensional model of the slow-wave structure.3. The method recited in wherein a sequence of a plurality of the formed layers of solid metal shaped in accordance with the loaded three dimensional model of the slow-wave structure is ...

Подробнее
25-02-2016 дата публикации

Triode hollow cathode electron gun for linear particle accelerators

Номер: US20160056007A1
Принадлежит: Altair Technologies Inc

The present invention generally relates to systems and methods for generating controllable beam of electrons using a hollow-cathode triode electron gun that substantially mitigate impact of back-streaming electrons. In one embodiment, a triode hollow-cathode electron gun is configured to provide electrons and substantially mitigates the impact of back-streaming electrons. The triode hollow-cathode electron gun includes a hollow cathode, a heating filament, an anode, a control grid, a shadow grid and a sleeve mechanically coupled to the hollow-cathode. The sleeve is substantially centered on the axis of the triode hollow-cathode electron gun and configured to maintain shape and trajectory of emitted beams of electrons.

Подробнее
13-02-2020 дата публикации

A MICROWAVE RESONATOR

Номер: US20200052360A1
Принадлежит: ISOTEK MICROWAVE LIMITED

A microwave resonator comprising a hollow tube comprising a plurality of electrically conductive wall faces which together define a tube wall defining a tube bore, the tube extending along a length axis from a first end to a second end; the tube wall having an N fold rotational symmetry about the length axis where 2 Подробнее

05-03-2015 дата публикации

SHEET BEAM KLYSTRON (SBK) AMPLIFIERS WITH WRAP-ON SOLENOID FOR STABLE OPERATION

Номер: US20150060052A1
Автор: Caryotakis George
Принадлежит:

A microwave energy tool including a sheet beam klystron that includes a tube body for carrying an electron sheet beam that has a plurality of cavities and a magnetic solenoid wound directly on the tube body. 1. A microwave energy tool comprising: a tube body for carrying an electron sheet beam, the tube body comprising a plurality of cavities; and', 'a magnetic solenoid comprising conductive wiring wound directly on the tube body, wherein the magnetic solenoid produces a magnetic field that is at least 5 times greater than a Brillouin field for the electron sheet beam such that the magnetic field produced by the magnetic solenoid confines the electron beam sheet in the drift tube., 'a sheet beam klystron comprising2. The microwave energy tool of claim 1 , wherein the tube body comprises a plurality of drift tubes claim 1 , wherein the plurality of cavities are a plurality of C-band resonant cavities and wherein the solenoid is wound around the plurality of drift tubes and the plurality of C-band resonant cavities.3. The microwave energy tool of claim 2 , wherein the plurality of cavities is five cavities.4. The microwave energy tool of claim 3 , wherein at least one of the cavities comprises a three cell cavity.5. The microwave energy tool of claim 2 , wherein the resonant frequency of at least one cavity of the plurality of cavities is approximately 7 GHz.6. The microwave energy tool of claim 1 , further comprising a cylindrical metallic housing that houses the solenoid and the tube body claim 1 , wherein the cylindrical metallic housing has a maximum diameter that is less than 9 inches.7. The microwave energy tool of claim 1 , wherein the sheet beam klystron operates at 75 kV and 14 A DC and the output of the sheet beam klystron is 0.5 MW.81001. The microwave energy tool of claim 1 , further comprising a mode converter coupled to the tube body claim 1 , wherein the mode converter transforms a rectangular waveguide TE mode from the tube body into a circular ...

Подробнее
21-02-2019 дата публикации

ELECTRON GUN THERMAL DISSIPATION IN A VACUUM

Номер: US20190057829A1
Принадлежит: Varex Imaging Corporation

Embodiments include a vacuum device, comprising: an enclosure configured to enclose a vacuum, comprising an external base forming at least a portion of the enclosure; an internal base within the enclosure; and at least one thermal dissipative strap assembly, comprising: an internal base thermal conductive base in contact with the internal base, an external base thermal conductive base in contact with the external base, and a flexible thermal dissipative strap coupling the internal base thermal conductive base to the external base thermal conductive base. 1. A vacuum device , comprising:an enclosure configured to enclose a vacuum, comprising an external base forming at least a portion of the enclosure;an internal base within the enclosure; and an internal base thermal conductive base in contact with the internal base;', 'an external base thermal conductive base in contact with the external base; and', 'a flexible thermal dissipative strap coupling the internal base thermal conductive base to the external base thermal conductive base., 'at least one thermal dissipative strap assembly, comprising2. The vacuum device of claim 1 , wherein the internal base includes at least one recess configured to receive the internal base thermal conductive base or the external base includes at least one recess configured to receive the external base thermal conductive base.3. The vacuum device of claim 1 , wherein the flexible thermal dissipative strap includes a bent flat claim 1 , round claim 1 , cylindrical claim 1 , or ellipsoid shaped metal structure.4. The vacuum device of claim 1 , wherein a thermal conductivity of the internal base thermal conductive base is greater than a thermal conductivity of the internal base claim 1 , or the thermal conductivity of the external base thermal conductive base is greater than a thermal conductivity of the external base claim 1 , or the flexible thermal dissipative strap thermal conductivity is greater than the thermal conductivity of the ...

Подробнее
21-02-2019 дата публикации

Left-handed material extended interaction klystron

Номер: US20190057831A1
Принадлежит:

A left-handed material extended interaction klystron includes: an input cavity, a middle cavity, an output cavity, first-section drift tube and a second-section drift tube; wherein the input cavity, the middle cavity and the output cavity are all cylindrical resonant cavities having arrays of Complementary electric Split-Ring Resonator (CeSRR) unit cells provided therein; wherein a first side of the input cavity is an input channel of an electron beam, a second side connects the middle cavity via the first-section drift tube; a first T-shaped coaxial input structure is provided in the input cavity; a first side of the output cavity is for connecting a collector, a second side of the output cavity connects the middle cavity via the second-section drift tube, a second T-shaped coaxial output structure is provided in the output cavity. 1. A left-handed material extended interaction klystron , comprising: an input cavity , a middle cavity , an output cavity , a first-section drift tube and a second-section drift tube; wherein the input cavity , the middle cavity and the output cavity are all cylindrical resonant cavities having arrays of Complementary electric Split-Ring Resonator (CeSRR) unit cells provided therein; wherein a first side of the input cavity is an input channel of an electron beam , a second side of the input cavity connects the middle cavity via the first-section drift tube; a first T-shaped coaxial input structure is provided in the input cavity; a first side of the output cavity is for connecting an electronic output terminal of an electron collector , a second side of the output cavity connects the middle cavity via the second-section drift tube; a second T-shaped coaxial output structure is provided in the output cavity.2. The left-handed material extended interaction klystron claim 1 , as recited in claim 1 , wherein a layer of attenuator with uniform thickness is provided on an external side of the first-section drift tube.3. The left-handed ...

Подробнее
04-03-2021 дата публикации

Graphene Microcavity Frequency Combs and Related Methods of Manufacturing

Номер: US20210063646A1

Based on graphene heterostructure in chip-scale silicon nitride microresonators, optoelectronic control and modulation in frequency combs via group velocity dispersion modulation can be demonstrated. By tuning graphene Fermi level from 0.50 eV to 0.65 eV via electric-field gating, deterministic in-cavity group velocity dispersion control from anomalous (−62 fs/mm) to normal (+9 fs/mm) can be achieved with Q factor remaining high at 10. Consequently, both the primary comb lines and the full comb spectra can be controllable dynamically with the on/off switching of the Cherenkov radiation, the tuning of the primary comb lines from 2.3 THz to 7.2 THz, and the comb span control from zero comb lines to ˜781 phase-locked comb lines, directly via the DC voltage. 1. A microresonator comprising:a silicon nitride ring cladded with silicon dioxide, wherein the silicon oxide defines a window above a region of the silicon nitride ring;a bus waveguide coupled to the silicon nitride ring; a graphene monolayer;', 'source-drain electrodes integrated on the graphene monolayer; and', 'a layer of ionic liquid used as a gate dielectric;, 'a graphene ion-gel heterostructure disposed within the window above the region of the silicon nitride ring, wherein the graphene/ion-gel heterostructure compriseswherein the microresonator is configured to form a frequency comb tunable through the modulation of the dispersion of the microresonator.2. The microresonator of claim 1 , wherein the modulation of the intracavity dispersion is achieved through the tuning of the Fermi level of the graphene monolayer using an applied gate voltage.3. The microresonator of claim 2 , wherein the Fermi level of the graphene monolayer can be tuned from about 0.45 eV to about 0.65 eV.4. The microresonator of claim 2 , wherein the dispersion of the microresonator can be tuned from about −62 fs/mm anomalous dispersion to about +9 fs/mm normal dispersion through tuning the gate voltage from about −2 V to about 0 V.5. The ...

Подробнее
20-02-2020 дата публикации

MICROWAVE ELECTRON TUBE, GETTER, MICROWAVE AMPLIFICATION DEVICE AND POWER SOURCE

Номер: US20200058460A1
Автор: MASUDA Taishi
Принадлежит: NEC Network and Sensor Systems, Ltd.

The objective of the invention is to provide a microwave tube, or the like, wherein gas adsorption action of a getter may be satisfactorily performed independently from a microwave amplification operation. In order to solve this problem, this microwave electron tube comprises: a helix wherein a microwave may progress oriented from an input section to an output section within a helical tube; an electron gun emitting an electron flow oriented toward the helix; a focusing device causing the electron flow to traverse the vicinity of the helix in the direction of a collector; the collector absorbing the electron flow; and a getter having a heater insulated from the cathode provided in the electron gun. 1. A microwave electron tube including:a helix configured to guide a microwave to travel from an input section to an output section through a helical tube;an electron gun emitting an electron flow toward the helix;a focusing device causing the electron flow to traverse a vicinity of the helix in a direction to a collector;the collector absorbing the electron flow; anda getter including a heater insulated from a cathode provided in the electron gun.2. (canceled)3. The microwave electron tube according to claim 1 , wherein the getter is interposed between the focusing device and the collector.4. The microwave electron tube according to claim 1 , wherein the getter is interposed between the focusing device and the electron gun.5. The microwave electron tube according to claim 1 , wherein the getter is disposed in a vicinity of the helix.6. The microwave electron tube according to claim 1 , wherein a plurality of the getters are provided.7. The microwave electron tube according to claim 1 , wherein the getter is disposed in an accommodation member that accommodates the getter.8. The microwave electron tube according to claim 1 , wherein the heater is driven by a power source driving none of the electron gun claim 1 , the helix claim 1 , the focusing device claim 1 , and the ...

Подробнее
02-03-2017 дата публикации

Superconducting airbridge crossover using superconducting sacrificial material

Номер: US20170062898A1
Принадлежит: International Business Machines Corp

A technique relates to a superconducting airbridge on a structure. A first ground plane, resonator, and second ground plane are formed on a substrate. A first lift-off pattern is formed of a first lift-off resist and a first photoresist. The first photoresist is deposited on the first lift-off resist. A superconducting sacrificial layer is deposited while using the first lift-off pattern. The first lift-off pattern is removed. A cross-over lift-off pattern is formed of a second lift-off resist and a second photoresist. The second photoresist is deposited on the second lift-off resist. A cross-over superconducting material is deposited to be formed as the superconducting airbridge while using the cross-over lift-off pattern. The cross-over lift-off pattern is removed. The superconducting airbridge is formed to connect the first and second ground planes by removing the superconducting sacrificial layer underneath the cross-over superconducting material. The superconducting airbridge crosses over the resonator.

Подробнее
10-03-2016 дата публикации

Partially grounded depressed collector

Номер: US20160071681A1
Принадлежит: OMEGA P Inc, OMEGA-P Inc, YALE UNIVERSITY

A depressed beam collector and an RF source comprising a depressed beam collector. The RF source may include, e.g., a multi-beam klystron, a single beam klystron, or other RF sources having an electron gun. The beam collector collects spent electrons from the electron gun and comprises a grounded portion configured to collect a portion of electrons entering the collector and a biased portion configured to collect another portion of the electrons entering the collector and having a depressed energy.

Подробнее
28-02-2019 дата публикации

Electro magnetic oscillator tube with enhanced isotopes

Номер: US20190066862A1
Автор: David Weber
Принадлежит: Individual

A system for an electro magnetic oscillator tube with enhanced isotopes is disclosed herein having at least one magnetron layer. Each layer has a first magnet, a conduction block, and a second magnet of opposite polarity. The conduction block is disposed in a plane about an emitter of isotopic particles, where an opposite electrical polarity relative to the emitter forms between the emitter and the conduction block. The conduction block has an RF port, an interaction space in its inner periphery, and a polar array of resonant cavities forming along its outer periphery, and a diamond or similar material coating the conduction block surfaces. The system also has a connection between selected groups of resonant cavities at locations of like electrical polarity, wherein the connections have conductive strapping elements within the conduction block.

Подробнее
28-02-2019 дата публикации

SUPERCONDUCTING AIRBRIDGE CROSSOVER USING SUPERCONDUCTING SACRIFICIAL MATERIAL

Номер: US20190067787A1
Принадлежит:

A technique relates to a superconducting airbridge on a structure. A first ground plane, resonator, and second ground plane are formed on a substrate. A first lift-off pattern is formed of a first lift-off resist and a first photoresist. The first photoresist is deposited on the first lift-off resist. A superconducting sacrificial layer is deposited while using the first lift-off pattern. The first lift-off pattern is removed. A cross-over lift-off pattern is formed of a second lift-off resist and a second photoresist. The second photoresist is deposited on the second lift-off resist. A cross-over superconducting material is deposited to be formed as the superconducting airbridge while using the cross-over lift-off pattern. The cross-over lift-off pattern is removed. The superconducting airbridge is formed to connect the first and second ground planes by removing the superconducting sacrificial layer underneath the cross-over superconducting material. The superconducting airbridge crosses over the resonator. 1. A method of forming superconducting microwave structure comprising:providing a first ground plane, a resonator, and a second ground plane formed on a substrate;forming a superconducting airbridge material coupling the first ground plane and the second ground plane, the superconducting airbridge material having a superconducting sacrificial layer underneath; andforming an airgap underneath the superconducting airbridge material by etching the superconducting sacrificial layer.2. The method of claim 1 , wherein etching the superconducting sacrificial layer comprises selectively etching material of the superconducting sacrificial layer while leaving material of the first ground plane claim 1 , the resonator claim 1 , and the second ground plane.3. The method of claim 1 , wherein the first ground plane claim 1 , the resonator claim 1 , the second ground plane claim 1 , and the superconducting airbridge material are made of a superconducting material.4. The method ...

Подробнее
19-03-2015 дата публикации

PVD PLASMA CONTROL USING A MAGNET EDGE LIFT MECHANISM

Номер: US20150075970A1
Автор: Miller Keith A.
Принадлежит:

Apparatus for providing a magnetic field within a process chamber are provided herein. In some embodiments, an apparatus for providing a magnetic field within a process chamber includes: an inner rotating mechanism including a first plate having a central axis, wherein the first plate includes and a first plurality of magnets and is rotatable about the central axis; and an outer lifting mechanism including a ring disposed proximate the first plate, the ring having a second plurality of magnets coupled to a bottom surface of the ring proximate the peripheral edge of the ring, wherein the ring is movable in a direction perpendicular to the first plate. 1. A magnetron assembly for providing a magnetic field within a process chamber , comprising:an inner rotating mechanism including a first plate having a central axis, wherein the first plate includes and a first plurality of magnets and is rotatable about the central axis; andan outer lifting mechanism including a ring disposed proximate the first plate, the ring having a second plurality of magnets coupled to a bottom surface of the ring proximate a peripheral edge of the ring, wherein the ring is movable in a direction perpendicular to the first plate.2. The magnetron assembly of claim 1 , wherein the ring is movable between a lowered position and a raised position.3. The magnetron assembly of claim 2 , wherein the second plurality of magnets align with the first plurality of magnets when the ring is in the lowered position claim 2 , and wherein the second plurality of magnets do not align with the first plurality of magnets when the ring is in the raised position.4. The magnetron assembly of claim 2 , wherein at least one of a shunt block or a shunt plate is coupled to the first plate proximate an outer edge of the first plate.5. The magnetron assembly of claim 4 , wherein the second plurality of magnets align with the at least one shunt block or shunt plate when the ring is in the lowered position claim 4 , and ...

Подробнее
28-02-2019 дата публикации

PULSED POWER GENERATION USING MAGNETRON RF SOURCE WITH INTERNAL MODULATION

Номер: US20190069387A1
Автор: Kazakevich Grigory M.
Принадлежит:

A system uses one or more magnetrons to generate pulsed radio-frequency (RF) power, such as for powering an accelerating cavity. The one or more magnetrons each having a self-excitation threshold voltage and configured to operate with internal modulation using a pulsed RF input signal to produce the pulsed RF power when being powered by a direct-current power supply at a voltage level below the self-excitation threshold voltage. 1. A system for radio-frequency (RF) power generation , comprising: a transmitter input to receive a pulsed RF transmitter input signal;', 'a transmitter output to transmit the pulsed RF transmitter output signal;', 'a first magnetron having a first self-excitation threshold voltage and configured to operate with internal modulation using the pulsed RF transmitter input signal to produce the first pulsed magnetron output signal when being powered at a first voltage level below the first self-excitation threshold voltage; and', 'a first direct-current (DC) power supply configured to power the magnetron., 'an RF pulsed transmitter configured to produce a pulsed RF transmitter output signal using a first pulsed magnetron output signal, the pulsed RF transmitter including2. The system of claim 1 , further comprising a superconducting RF accelerating cavity coupled to the transmitter output and configured to receive the pulsed RF transmitter output signal and to be powered by the pulsed RF transmitter output signal.3. The system of claim 1 , wherein the RF pulsed transmitter further comprises one or more circulators configured to simultaneously direct the pulsed RF transmitter input signal to the first magnetron and the first pulsed magnetron output signal to the transmitter output and to protect the RF transmitter from a reflected wave.4. The system of claim 3 , wherein the RF pulsed transmitter further comprises one or more of a first directional coupler and a second directional coupler claim 3 , the first directional coupler coupled between ...

Подробнее
15-03-2018 дата публикации

Tungsten alloy, tungsten alloy part, discharge lamp, transmitting tube, and magnetron

Номер: US20180073107A1
Принадлежит: Toshiba Corp, Toshiba Materials Co Ltd

According to one embodiment, a tungsten alloy includes a W component and a Hf component including HfC. A content of the Hf component in terms of HfC is 0.1 wt % or more and 3 wt % or less.

Подробнее
17-03-2016 дата публикации

Compact magnet system for a high-power millimeter-wave gyrotron

Номер: US20160078992A1
Автор: Larry R. Barnett
Принадлежит: Individual

A compact magnet system for use in a high-power microwave tube includes an electromagnetic coil surrounded on three sides by permanent magnets. More particularly, constituent components include a first tubular retaining member; the electromagnetic coil that fits within the first tubular retaining member and that has a central cavity; first permanent magnets positioned to extend radially from the central cavity so that like poles of the first permanent magnets wrap around the central cavity along a first side of the solenoid coil; and second permanent magnets positioned to extend radially from the central cavity so that opposite poles to the first permanent magnets wrap around the central axis along the second side of the solenoid coil. Optional added components include two sets of permanent magnets, one set on each side of the coil and a pole piece located adjacent to an end of the first tubular retaining member.

Подробнее
05-03-2020 дата публикации

ANTENNA DEVICE, RADIATION METHOD OF ELECTROMAGNETIC WAVES, PLASMA PROCESSING APPARATUS, AND PLASMA PROCESSING METHOD

Номер: US20200075292A1
Принадлежит: TOKYO ELECTRON LIMITED

In one exemplary embodiment, a second waveguide is connected to an upper wall of a first waveguide and communicates with the first waveguide, a dielectric window is in contact with a lower wall of the first waveguide, a first inner conductor penetrates an upper wall, is electrically connected with the upper wall, and extends along the direction of a tube axis from an inside of the first waveguide to an inside of a third waveguide, the third waveguide is connected to the lower wall on the dielectric window side and communicates with the first waveguide, a first opening end of the third waveguide is connected to the dielectric window, and a drive device is connected to the first inner conductor, and is configured to drive the first inner conductor in the direction of the tube axis. 1. An antenna device configured to radiate electromagnetic waves , the antenna device comprising:a first waveguide;a second waveguide;a third waveguide;a dielectric window;a first inner conductor; anda drive device,wherein the second waveguide is connected to an upper wall of the first waveguide and communicates with the first waveguide,the dielectric window is in contact with a lower wall of the first waveguide,the first waveguide is provided between the dielectric window and the second waveguide, and extends in a direction crossing a tube axis of the second waveguide,the first inner conductor penetrates the upper wall, is electrically connected with the upper wall, and extends along a direction of the tube axis from an inside of the first waveguide to an inside of the third waveguide,a first end of the first inner conductor is positioned at a center of the third waveguide, in a surface crossing the tube axis,the third waveguide is connected to the lower wall on the dielectric window side and communicates with the first waveguide,a first opening end of the third waveguide is connected to the dielectric window, andthe drive device is connected to the first inner conductor, and is configured ...

Подробнее
14-03-2019 дата публикации

Magnetron

Номер: US20190080872A1
Автор: Higashi Masatoshi
Принадлежит: TOSHIBA HOKUTO ELECTRONICS CORPORATION

To provide a magnetron capable of effectively suppressing a plurality of higher harmonic wave components with a simple configuration. 1. A magnetron , having: [ an outermost peripheral part of the first choke that is provided so that its central axis passes through the tube axis, extends in the tube axis direction and contacting with the inner surface of the metal sealing body;', 'a first annular part of the first choke extending from the upper end of the outermost peripheral part of the first choke to the tube axis side;', 'a first cylindrical part of the first choke extending upward in the tube axis direction from the inner end of the first annular part of the first choke;', 'a second annular part of the first choke extending from the upper end of the first cylindrical part of the first choke to the tube axis side; and', 'a second cylindrical part of the first, choke being cylindrical and extending downward in the tube axis direction from the inner end of the second annular part of the first choke, and, 'the first choke is formed by, a first cylindrical part of the second choke being cylindrical, that is provided so that its central axis passes through the tube axis, its lower end is joined to the first annular part of the first choke, and extends upward in the tube axis direction between the first cylindrical part of the first choke and the metal sealing body;', 'a first annular part of the second choke being annular and extending from the upper end of the first cylindrical part of the second choke to the inner side than the second cylindrical part of the first choke to the tube axis side; and', 'a second cylindrical part of the second choke being cylindrical and extending downward in the tube axis direction from the inside end of the first annular part of the second choke;', 'wherein a plurality of tube grooves which correspond to each of at least three high frequency components different in each frequency are formed by the first choke, the second choke and the ...

Подробнее
14-03-2019 дата публикации

Electron Gun and Electron Beam Device

Номер: US20190080878A1
Принадлежит:

An electron gun includes an emitter, an electron gun electrode, and a short-circuiting mechanism for setting the emitter and the electron gun electrode at the same potential. The short-circuiting mechanism includes a first switch member provided with a first switch electrode that is connected to the emitter and a second switch electrode that is connected to the electron gun electrode, a second switch member provided with a third switch electrode, and a drive unit that operates at least one of the first switch member and the second switch member to switch between a state in which the first switch electrode and the second switch electrode are in contact with the third switch electrode and a state in which the first switch electrode and the second switch electrode are separated from the third switch electrode. The short-circuiting mechanism has the same potential as a predetermined voltage. 1. An electron gun that accelerates electrons at a predetermined voltage and discharges the accelerated electrons , the electron gun comprising:an emitter;an electron gun electrode; anda short-circuiting mechanism for setting the emitter and the electron gun electrode at the same potential,wherein the short-circuiting mechanism comprises:a first switch member provided with a first switch electrode that is connected to the emitter and a second switch electrode that is connected to the electron gun electrode;a second switch member provided with a third switch electrode; anda drive unit that operates at least one of the first switch member and the second switch member to switch between a state in which the first switch electrode and the second switch electrode are in contact with the third switch electrode and a state in which the first switch electrode and the second switch electrode are separated from the third switch electrode, andwherein short-circuiting mechanism has the same potential as the predetermined voltage.2. The electron gun according to claim 1 , further comprising:a ...

Подробнее
22-03-2018 дата публикации

Relativistic Magnetron Using a Virtual Cathode

Номер: US20180082817A1
Принадлежит:

The present invention provides a relativistic magnetron including an anode with an entrant channel, the channel having an input end, an output end and a dimensional discontinuity between the ends. The channel is connected to the magnetron and has an anode defining an interaction space located between the dimensional discontinuity and output end. Also provided is a cathode, located upstream, a spaced distance away from the interaction space towards the input end, the cathode is adapted to send an electron beam into the interaction space where the electron beam forms a virtual cathode in the interaction space. 1. A relativistic magnetron comprising:an anode with an entrant channel, said channel having an input end, an output end, said channel having a first region and a second region, said first region in communication with said second region and having a smaller radius than said second region, said first and second regions forming a dimensional discontinuity at the location where said channel changes from said first region to said second region, said dimensional discontinuity located between said input and output ends of said channel;said channel connected to the magnetron anode defining an interaction space located between said dimensional discontinuity and said output end;a cathode located upstream a spaced distance away from said interaction space towards said input end, said cathode adapted to send an electron beam into said interaction space;said electron beam forms a virtual cathode in said interaction space; anda magnetic mirror configured to suppress axial electron beam leakage current.2. The device of wherein said channel is cylindrical and said first region has a smaller radius than said second region.3. The device of wherein said first region is connected to said second region.4. The device of wherein said cathode is externally located with respect to said second region and inside said entrant channel.5. The device of wherein said cathode is externally ...

Подробнее
23-03-2017 дата публикации

HIFI AUDIO TUBE AMPLIFIER

Номер: US20170085227A1
Принадлежит: Sennheiser electronic GmbH & Co. KG

A casing unit is provided that includes a cylindrical peripheral wall portion of quartz or glass, a cover of metal, and a fixing unit configured to fix the casing unit in or to a housing of a hi-fi tube amplifier. Also provided is a hi-fi audio tube amplifier that includes a plurality of tubes configured to amplify audio signals, and a plurality of the afore-mentioned casing units. Each casing unit encloses one tube of the plurality tubes at three sides, and the fixing unit of each casing unit is configured to fix the respective casing unit in or to a housing of the hi-fi audio tube amplifier. 1. A hi-fi audio tube amplifier comprising:a plurality of tubes configured to amplify audio signals; anda plurality of casing units, each casing unit of the plurality of casing units enclosing one tube of the plurality tubes at three sides; a cylindrical peripheral wall portion of glass or quartz;', 'a cover of metal; and', 'a fixing unit configured to fix the casing unit in or to a housing of the hi-fi audio tube amplifier., 'wherein each casing unit comprises2. The hi-fi tube amplifier as set forth in claim 1 , further comprising:a sealing ring that is arranged in a region of the fixing unit of at least one casing unit of the plurality of casing units.3. A casing unit for a hi-fi audio tube amplifier the casing unit comprising:a cylindrical peripheral wall portion of quartz or glass;a cover of metal; anda fixing unit configured to fix the casing unit in or to a housing of a hi-fi tube amplifier. The present application claims priority from German Patent Application No. 10 2015 218 066.2 filed on Sep. 21, 2015, the disclosure of which is incorporated herein by reference in its entirety.It is noted that citation or identification of any document in this application is not an admission that such document is available as prior art to the present invention.The present invention concerns a hi-fi audio tube amplifier.Audio amplifiers with tubes are nowadays used only in guitar ...

Подробнее
02-04-2015 дата публикации

DEVICES HAVING AN ELECTRON EMITTING STRUCTURE

Номер: US20150092923A1
Принадлежит:

The disclosure relates to an image capture device comprising an electron receiving construct and an electron emitting construct, and further comprising an inner gap providing an unobstructed space between the electron emitting construct and the electron receiving construct. The disclosure further relates to an x-ray emitting device comprising an x-ray emitting construct and an electron emitting construct, said x-ray emitting construct comprising an anode, the anode being an x-ray target, wherein the x-ray emitting device may comprise an inner gap providing an unobstructed space between the electron emitting construct and the x-ray emitting construct. The disclosure further relates to an x-ray imaging system comprising an image capture device and an x-ray emitting device. 142-. (canceled)44. The image capture device of claim 43 , wherein the electron emitting construct further comprises a plurality of first focus structures arranged in an array claim 43 , each of said first focus structures comprising a first focus electrode.45. The image capture device of claim 44 , wherein the first focus structure surrounds a unit cell comprising a subset of said field emission type electron sources claim 44 , said unit cell defining a pixel.46. The image capture device of claim 43 , comprising a resistive layer situated between the field emission type electron source and the cathode.47. The image capture device of claim 43 , wherein the field emission type electron source is electrically connected to a driving circuit via a signal line claim 43 , and wherein the first focus electrode surrounds said signal line.48. The image capture device of claim 43 , wherein the substrate is silicon-based.49. The image capture device of claim 48 , wherein at least one member selected from the group consisting of the cathode claim 48 , the resistive layer claim 48 , the signal line claim 48 , the field emission type electron source claim 48 , the first focus structure claim 48 , the first focus ...

Подробнее
12-03-2020 дата публикации

PULSED POWER GENERATION USING MAGNETRON RF SOURCE WITH INTERNAL MODULATION

Номер: US20200084873A1
Автор: Kazakevich Grigory M.
Принадлежит:

A system uses one or more magnetrons to generate pulsed radio-frequency (RF) power, such as for powering an accelerating cavity. The one or more magnetrons each having a self-excitation threshold voltage and configured to operate with internal modulation using a pulsed RF input signal to produce the pulsed RF power when being powered by a direct-current power supply at a voltage level below the self-excitation threshold voltage. 1. A method for generating pulsed radio-frequency (RF) power , comprising:powering a magnetron using a direct-current (DC) power supply at a supply voltage level that is below a self-excitation threshold voltage of the magnetron; andswitching the magnetron on and off to produce a pulsed RF magnetron output signal using a pulsed RF magnetron input signal.2. The method of claim 1 , further comprising driving the magnetron using an input power providing stable operation of the magnetron over a range of an output power that is up to 10 dB claim 1 , the input power being a power of the pulsed RF magnetron input signal that allows the magnetron to be switched on and off claim 1 , the output power being a power of the pulsed RF magnetron output signal.3. The method of claim 2 , wherein the input power is more than about 10% of a nominal power of the magnetron.4. The method of claim 1 , further comprising varying the pulsed RF magnetron input signal to control the output power.5. The method of claim 1 , further comprising varying the supply voltage level to control an output power being a power of the pulsed RF magnetron output signal.6. The method of claim 1 , further comprising:powering an additional magnetron using an additional DC power supply at an additional supply voltage level that is below a self-excitation threshold voltage of the additional magnetron; andswitching the additional magnetron on and off to produce an additional pulsed RF magnetron output signal using the pulsed RF magnetron output signal.7. The method of claim 1 , further ...

Подробнее
05-05-2022 дата публикации

A MICROWAVE WINDOW INCLUDING FIRST AND SECOND PLATES WITH VERTICAL STEPPED AREAS CONFIGURED FOR PRESSURE SEALING A DIELECTRIC PLATE BETWEEN THE FIRST AND SECOND PLATES

Номер: US20220140456A1
Принадлежит:

Apparatus for transmitting microwaves into a process chamber using a microwave pressure window assembly. The microwave pressure window assembly may include a first plate with a first aperture surrounded by a first recess for a first pressure seal, a second plate with a second aperture surrounded by a second recess for a second pressure seal, a dielectric plate configured to transmit microwaves and interposed between the first plate and the second plate and between the first pressure seal and the second pressure seal. The apertures include a first vertical step area on a first vertical side of the apertures and a second vertical step area on a second vertical side of the apertures opposite of the first vertical side. The first vertical step areas and the second vertical step areas may have a thickness of approximately 50% of a thickness of the plates that includes a dielectric plate recess.

Подробнее
07-04-2016 дата публикации

ELECTRON DEVICE AND METHOD FOR MANUFACTURING AN ELECTRON DEVICE

Номер: US20160099127A1
Автор: Aditya Sheel, Chen Zhao
Принадлежит:

According to embodiments of the present invention, an electron device is provided. The electron device includes a support substrate, a conductive planar slow-wave structure on the support substrate, the conductive planar slow-wave structure being adapted to receive an electromagnetic wave signal for interaction with an electron beam, and a dielectric layer arrangement in between the conductive planar slow-wave structure and the support substrate, the dielectric layer arrangement being arranged on the support substrate at only one or more support substrate portions overlapping with the conductive planar slow-wave structure. According to further embodiments of the present invention, a method for manufacturing an electron device is also provided. 1. An electron device comprising:a support substrate;a conductive planar slow-wave structure on the support substrate, the conductive planar slow-wave structure being adapted to receive an electromagnetic wave signal for interaction with an electron beam; anda dielectric layer arrangement in between the conductive planar slow-wave structure and the support substrate, the dielectric layer arrangement being arranged on the support substrate at only one or more support substrate portions overlapping with the conductive planar slow-wave structure.2. The electron device as claimed in claim 1 , wherein the dielectric layer arrangement contacts the conductive planar slow-wave structure.3. The electron device as claimed in claim 2 , wherein the dielectric layer arrangement contacts only a surface of the conductive planar slow-wave structure facing the support substrate.4. The electron device as claimed in claim 1 , wherein the support substrate comprises dopants.5. The electron device as claimed in claim 1 , wherein the conductive planar slow wave structure comprises a planar helix structure claim 1 , the planar helix structure comprising:a plurality of first elements on a first portion of the support substrate;a plurality of second ...

Подробнее
05-04-2018 дата публикации

Magnetron Having a Cooling Structure

Номер: US20180096815A1
Принадлежит:

A magnetron includes an anode cylinder extending in a cylindrical shape along a central axis and a plurality of plate-like vanes at least each one end of which is fixed to the anode cylinder, extending from an inner face of the anode cylinder toward the central axis, in which the anode cylinder includes refrigerant flow paths for directly applying a refrigerant to the plate-like vanes. The refrigerant flow paths are openings formed so that end surfaces (joint end faces of the plate-like vanes) of the plate-like vanes are exposed, which allow the refrigerant to directly contact the plate-like vanes. 1. A magnetron comprising:an anode cylinder extending in a cylindrical shape along a central axis; anda plurality of plate-like vanes at least each one end of which is fixed to the anode cylinder, extending from an inner face of the anode cylinder toward the central axis,wherein the anode cylinder includes refrigerant flow paths for directly applying a refrigerant to the plate-like vanes, andthe refrigerant flow paths are openings formed so that end portions of the plate-like vanes are exposed so as to match with positions corresponding to fixed portions of the plate-like vanes.2. The magnetron according to claim 1 ,wherein the refrigerant flow paths are holes opening to end portions of the plate-like vanes so as to match with positions corresponding to fixed portions of the plate-like vanes.3. The magnetron according to claim 1 ,wherein the plate-like vanes include flow paths in vanes provided in the plate-like vanes into which a refrigerant flowing in the refrigerant flow paths is introduced.4. The magnetron according to claim 3 ,wherein the flow paths in vanes are clearances opening to the refrigerant paths.5. The magnetron according to claim 2 ,wherein the flow paths in vanes are communication paths communicating with the holes.6. The magnetron according to claim 5 ,wherein the plate-like vanes have a rectangular shape, andthe communication paths are arranged so as to ...

Подробнее
01-04-2021 дата публикации

Self-assembled helical slow-wave structures for high-frequency signals

Номер: US20210099142A1

Traveling-wave tube amplifiers for high-frequency signals, including terahertz signals, and methods for making a slow-wave structure for the traveling-wave tube amplifiers are provided. The slow-wave structures include helical conductors that are self-assembled via the release and relaxation of strained films from a sacrificial growth substrate.

Подробнее
08-04-2021 дата публикации

MICROWAVE MAGNETRON WITH CONSTANT ANODIC IMPEDANCE AND SYSTEMS USING THE SAME

Номер: US20210102293A1
Принадлежит: MKS Instruments, Inc.

A microwave magnetron includes a cathode for emitting electrons, a filament for receiving a filament current to heat the cathode to enable to cathode to emit the electrons, and an anode to which anodic power can be applied to affect a flow of the electrons. An anodic power input receives the anodic power to be applied to the anode, the anodic power being characterized by an anodic current, an anodic voltage, and an anodic impedance, the anodic impedance being a quotient of the anodic voltage and the anodic current. An electromagnet power input receives electromagnet power and applies the electromagnet power to an electromagnet to control an intensity of a magnetic field, the electromagnet power being characterized by an electromagnet current. A controller adjusts at least one of the parameters of the magnetron to affect the flow of electrons while maintaining the anodic impedance constant. 1. A microwave magnetron , comprising:a cathode for emitting electrons;a filament for receiving a filament current to heat the cathode to enable to cathode to emit the electrons;an anode to which anodic power can be applied to affect a flow of the electrons;an anodic power input for receiving the anodic power to be applied to the anode, the anodic power being characterized by an anodic current, an anodic voltage, and an anodic impedance, the anodic impedance being a quotient of the anodic voltage and the anodic current;an electromagnet for providing a magnetic field in which the electrons flow;an electromagnet power input for receiving electromagnet power and applying the electromagnet power to the electromagnet for controlling an intensity of the magnetic field, the electromagnet power being characterized by an electromagnet current; anda controller for controlling parameters of the microwave magnetron, the controller adjusting at least one of the parameters of the magnetron to affect the flow of electrons while maintaining the anodic impedance constant.2. The microwave magnetron ...

Подробнее
10-07-2014 дата публикации

MAGNETRON AND DEVICE USING MICROWAVES RELATED APPLICATIONS

Номер: US20140191656A1
Автор: ISHII Takeshi
Принадлежит: Panasonic Corporation

The magnetron according to the present invention includes an anode portion, a cathode portion arranged in a central portion of the anode portion, an output antenna connected to the anode portion, an exhaust pipe arranged around the output antenna to serve as a part of a vacuum tube, and an antenna cap covering a chip-off portion included in the exhaust pipe. The antenna cap and the exhaust pipe are welded to each other. 1. A magnetron comprising:an anode portion, a cathode portion arranged in a central portion of the anode portion, an output antenna connected to the anode portion, an exhaust pipe arranged around the output antenna to serve as a part of a vacuum tube, and an antenna cap covering a chip-off portion included in the exhaust pipe, whereinthe antenna cap and the exhaust pipe are welded to each other.2. The magnetron according to claim 1 , wherein a sidewall of the antenna cap includes at least a hole claim 1 , a peripheral portion of the hole and the exhaust pipe are welded.3. The magnetron according to claim 1 , wherein a sidewall of the antenna cap includes three or more holes arranged in an equal pitch claim 1 , each peripheral portion of the holes in the antenna cap and the exhaust pipe are welded.4. The magnetron according to claim 1 , wherein the magnetron has an oscillation frequency of 5.8 GHz band.5. The magnetron according to claim 4 , wherein shapes of the inner circumferential surface of the antenna cap and the outer circumferential surface of the exhaust pipe match with each other.6. The magnetron according to claim 4 , wherein the inner circumferential surface of the antenna cap and the outer circumferential surface of the exhaust pipe have a cylindrical shape.7. A device using microwaves comprising the magnetron according to . 1. Field of the InventionThe present invention relates to a magnetron used in a device using microwaves, such as a microwave oven and a thermotherapy device, and more particularly to a structure of a connecting ...

Подробнее
10-07-2014 дата публикации

COAXIAL MAGNETRON

Номер: US20140191657A1
Принадлежит: NEW JAPAN RADIO CO., LTD.

The object of the presently disclosed embodiment is to improve heat dissipation and an overall cooling efficiency to raise a peak oscillation output. To achieve the object, there is provided a coaxial magnetron having the following configuration: Around a cathode, vanes and an anode cylinder form an anode resonant cavity, and a cylindrical side body forms an outer cavity. An input side structure having an input part and an upper structure are joined to both ends of the cylindrical side body. One end of the anode cylinder is joined to the input side structure. A groove (or step) for adjusting the distance between the structures and at the both ends is provided, and the groove is joined to the other end of the anode cylinder. 1. A coaxial magnetron , comprising:a cathode;an anode having an anode cylinder and vanes for forming an anode resonant cavity around the cathode;a cylindrical side body forming an outer cavity coaxial with the anode resonant cavity around the anode cylinder;a pair of end sealing structures joined to both ends of the cylindrical side body; andan input part connected to the cathode through one of the end sealing structures,wherein one end of the anode cylinder is joined to one of the end sealing structures, and the other end of the anode cylinder is joined to a groove or a step of the other of the end sealing structures, the groove or the step being formed on the inner surface of the other of the end sealing structures.2. The coaxial magnetron of claim 1 , wherein a passage for running a coolant therethrough is provided in the vicinity of the anode cylinder in the end sealing structure in which the input part pass through claim 1 , and a passage for running a coolant therethrough is also provided in the vicinity of the anode cylinder in the end sealing structure in which the input part is not disposed.3. The coaxial magnetron of claim 2 , wherein central members are separated from outer periphery members in the end sealing structures at the both ...

Подробнее
20-04-2017 дата публикации

SYSTEMS AND METHODS FOR MODE SUPPRESSION IN A CAVITY

Номер: US20170110793A1
Автор: Rogers Shawn David
Принадлежит:

Systems and methods for mode suppression in a cavity are provided. In certain implementations, an apparatus comprises a cavity for propagating electromagnetic signals therein, wherein the electromagnetic signals propagate multiple times through the cavity; and an absorbing material applied to a first side of the cavity, wherein the absorbing material absorbs the electromagnetic signals. Further, an apparatus includes at least one transmitting antenna configured to couple electromagnetic energy into the cavity; and at least one receiving antenna configured to couple electromagnetic energy from the cavity. 1. An apparatus , the apparatus comprising:a cavity for propagating electromagnetic signals therein, wherein the electromagnetic signals propagate multiple times through the cavity; andan absorbing material applied to a first side of the cavity, wherein the absorbing material absorbs the electromagnetic signals.2. The apparatus of claim 1 , further comprising:at least one transmitting antenna configured to couple electromagnetic energy into the cavity; andat least one receiving antenna configured to couple electromagnetic energy from the cavity.3. The apparatus of claim 2 , wherein the receiving antenna is coupled to a receiver located outside of the cavity.4. The apparatus of claim 3 , wherein the receiver is configured to receive signals at a low reception power.5. The apparatus of claim 1 , wherein the cavity is a spherical cavity formed between a spherical interior surface of an outer shell and a spherical exterior surface of an inner sphere.6. The apparatus of claim 5 , wherein the absorbing material coats the spherical interior surface.7. The apparatus of claim 5 , wherein the inner sphere encloses a sensor claim 5 , a transmitter claim 5 , and a transmitting antenna claim 5 , the transmitting antenna coupling signals from the transmitter into the spherical cavity for reception by at least one receiving antenna.8. The apparatus of claim 1 , wherein the ...

Подробнее
26-04-2018 дата публикации

MAGNETRON FOR MICROWAVE OVEN

Номер: US20180114668A1
Принадлежит:

A magnetron for a microwave oven is provided that decreases noise in an ISM band by minimizing a size of a lower end shield, and thus, minimizing EMI generation. In the magnetron for the microwave oven, as a midpoint of a side lead hole is positioned inside a virtual circle formed by points positioned at a predetermined distance from a midpoint of the shield disc and a side lead is connected in a straight line, there are advantages that a further bending process is not generated and a defective rate that occurs in the manufacturing process of the shield disc may be decreased. 1. A magnetron for a microwave oven , comprising:a yoke forming a body of the magnatron;an anode cylinder installed inside of the yoke;a plurality of vanes that radially extends toward an axial center of the anode cylinder;a filament positioned at the axial center of the anode cylinder;a lower end shield positioned at a lower end of the filament, an outer diameter of which is about 80% to about 89% of a diameter of an inscribed circle formed by the plurality of vanes;a center lead positioned at a center of the filament, a lower end of which extends through a center portion of the lower end shield to a lower portion thereof; anda side lead an upper end of which is connected to the lower end shield and spaced apart from the center lead.2. The magnetron according to claim 1 , wherein the outer diameter of the lower end shield is about 6.4 mm to about 7.9 mm.3. The magnetron according to claim 1 , wherein the diameter of the inscribed circle formed by the plurality of vanes is about 8.0 mm to about 9 mm.4. The magnetron according to claim 1 , further comprising:a center lead disc including a center lead hole connected to the lower end of the center lead and a first F-lead hole connected to any one of a pair of F-leads; anda side lead disc including a side lead hole connected to a lower end of the side lead and a second F-lead hole connected to the other one of the pair of F-leads.5. The magnetron ...

Подробнее
07-05-2015 дата публикации

Magnetron

Номер: US20150123538A1

A magnetron includes a cooling block having an annular continuous portion with opposite end portions opposed to each other, the cooling block being secured to an outer peripheral surface of the cylindrical anode body, the cooling block having a coolant circulation pathway defined therein, a tightening member engageable with the opposite end portions of the cooling block to tighten the cooling block by reducing a distance between the opposite end portions of the cooling block, and a pair of pipe joints each connected to a portion of the cooling block adjacent to one of the opposite end portions so as to communicate with the coolant circulation pathway. The tightening member is disposed between connecting portions of the pair of pipe joints with the cooling block so as to extend in a direction inclined with respect to a plane including an annular direction of the cooling block.

Подробнее
09-06-2022 дата публикации

ELECTRON-EMITTING ELECTRODE INCLUDING MULTIPLE DIAMOND MEMBERS AND MAGNETRON INCLUDING SAME

Номер: US20220181112A1
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, an electron-emitting electrode includes a first member, a first diamond member, and a second diamond member. A surface of the first member includes a first region and a second region. The first diamond member is provided at the first region. The first diamond member includes a first element that includes at least one of nitrogen, phosphorus, arsenic, antimony, and bismuth. The second diamond member is provided at the second region. The second diamond member includes a second element that includes at least one of boron, aluminum, gallium, and indium. 1. An electron-emitting electrode , comprising:a first member, a surface of the first member including a first region and a second region;a first diamond member provided at the first region, the first diamond member including a first element, the first element including at least one selected from the group consisting of nitrogen, phosphorus, arsenic, antimony, and bismuth; anda second diamond member provided at the second region, the second diamond member including a second element, the second element including at least one selected from the group consisting of boron, aluminum, gallium, and indium.2. The electron-emitting electrode according to claim 1 , whereina second height of the second diamond member referenced to the second region is greater than a first height of the first diamond member referenced to the first region.3. The electron-emitting electrode according to claim 1 , whereina ratio of a surface area of the second region to a surface area of the first region is not more than 0.1.4. The electron-emitting electrode according to claim 1 , whereinthe second diamond member extends along an extension direction of the first member.5. The electron-emitting electrode according to claim 1 , whereinthe first region is located along a portion of a circumference having an extension direction of the first member as a center, andthe second region is located at an other portion of the ...

Подробнее
09-04-2020 дата публикации

Ultra-High Efficiency Single-beam and Multi-beam Inductive Output Tubes

Номер: US20200111636A1
Принадлежит:

A radio frequency (RF) modulating signal splitter used by a multi-beam electron beam RF amplification system includes an RF input port and a plurality of RF output ports. A body frame distributes the RF modulating signal from the input port to the of output ports. The body frame and each one of the RF output ports have dimensions so that each one of the plurality of RF output ports is impedance matched with each other. In a method of modulating a RF input signal onto a plurality of electron beams, the RF input signal is split into a plurality of different paths directed to a plurality of output ports that are impedance matched to each other. RF energy is directed from each output port to a different input cavity of electronic beam RF amplification devices of a multi-beam electronic beam RF amplification system. 1. A device for splitting a radio frequency (RF) modulating signal for use by a multi-beam electron beam RF amplification system , comprising:(a) an RF input port;(b) a plurality of RF output ports; and 'wherein the body frame and each one of the plurality of RF output ports have dimensions so that each one of the plurality of RF output ports is impedance matched with each other one of the plurality of RF output ports.', '(c) a body frame configured to receive the RF modulating signal from the RF input port and to distribute the RF modulating signal to each of the plurality of RF output ports,'}2. The device of claim 1 , wherein the RF input port comprises a coaxial conductor.3. The device of claim 1 , wherein each of the RF output ports comprises a coaxial conductor.4. The device of claim 1 , wherein the body frame comprises:(a) a first disk-shaped conductive member, having a center, through which each of the plurality of RF output ports extend, the plurality of RF output ports being evenly spaced apart about a circle that is concentric with the center;(b) a peripheral conductive ring disposed about and depending downwardly from the first disk-shaped ...

Подробнее
09-06-2022 дата публикации

Microwave Oven

Номер: US20220183120A1
Принадлежит:

A microwave oven includes a frequency converter, a magnetron, a first conductor, and a second conductor. A power supply end of the fre-quency converter is connected to a power supply end of the magnetron by means of the first conductor, and a ground end of the frequency converter is connected to a ground end of the magnetron by means of the second conductor. The first conductor and a part of the second conductor are arranged in parallel, and the distance between the first conductor and the part of the second conductor is less than a preset distance. In this way, RE of the microwave oven can be reduced, and the microwave oven can thus meet the EMC standards. 1. A microwave oven , comprising:a frequency converter;a magnetron;a first conductor, wherein a power supply end of the frequency converter is connected to a power supply end of the magnetron via the first conductor; anda second conductor, wherein a ground end of the frequency converter is connected to a ground end of the magnetron via the second conductor;wherein the first conductor and a part of the second conductor are arranged in parallel, and a distance between the first conductor and the part of the second conductor is less than a preset distance.2. The microwave oven as claimed in claim 1 , wherein a housing of the magnetron is grounded claim 1 , the ground end of the magnetron is connected to the housing of the magnetron claim 1 , and the ground end of the frequency converter is connected to the housing of the magnetron via the second conductor.3. The microwave oven as claimed in claim 2 , wherein the second conductor comprises:a first section, wherein the first section of the second conductor is routed from the ground end of the frequency converter to the power supply end of the frequency converter; anda second section, wherein the ground end of the frequency converter is connected to the second section of the second conductor via the first section of the second conductor, and the second section of the ...

Подробнее
05-05-2016 дата публикации

Metamaterial high-power microwave source

Номер: US20160126051A1
Принадлежит:

A metamaterial high-power microwave source relates to the fields of vacuum electronic technology, particle physics, and accelerators, including: a cathode, a metamaterial slow-wave structure (SWS), a waveguide and coaxial line coupler located at one end of the metamaterial SWS and a collector component located at the other end of the metamaterial SWS. The metamaterial SWS provided by the present invention is greatly smaller than a rectangular waveguide having the same frequency, so as to realize a miniaturization of devices and facilitate integration with semiconductor devices. The waveguide and coaxial line coupler has a good transmission characteristic and a low reflection in a relatively wide frequency band, which guarantees a high-efficient coupling output of a signal. Moreover, the metamaterial high-power microwave source has a high-power output and a pulsed output power reaching a megawatt level. 1. A metamaterial high-power microwave source , comprising: a cathode , a metamaterial slow-wave structure (SWS) , a waveguide and coaxial line coupler which is located at one end of said metamaterial SWS , and a collector component which is located at the other end of said metamaterial SWS , wherein:said metamaterial SWS comprises a square waveguide and a metamaterial which is fixed at a central position of an inner cavity of said square waveguide;said waveguide and coaxial line coupler comprises a coupling waveguide and a coaxial line;said coupling waveguide comprises a rectangular coupling waveguide, a waveguide baffle which is located at one end of said rectangular coupling waveguide, and a waveguide connecting flange which is located at the other end of said rectangular coupling waveguide for fixedly connecting said rectangular coupling waveguide with said square waveguide;said coaxial line comprises a coaxial probe, two coaxial media, a medium fixing cylinder, and an output transferring cylinder;a central position of a lateral surface of said rectangular ...

Подробнее
05-05-2016 дата публикации

HYBRID CAVITY AND LUMPED FILTER ARCHITECTURE

Номер: US20160126613A1
Принадлежит:

A resonator includes an inductive element and a conductive cavity surrounding the inductive element. In particular, the conductive cavity surrounds the inductive element such that a capacitance is distributed between the inductive element and the conductive cavity. By distributing a capacitance between the inductive element and the conductive cavity, a high quality-factor resonator can be achieved by the resonator with a relatively small form factor. 1. A resonator comprising:an inductive element; anda conductive cavity surrounding the inductive element such that a capacitance is distributed between the inductive element and the conductive cavity along the length of the inductive element.2. The resonator of wherein the conductive cavity is coupled to a fixed potential.3. The resonator of wherein the inductive element comprises a conductive path routed along a periphery of a volume between an input node and an output node such that the inductive element is a three-dimensional inductor.4. The resonator of wherein the conductive path comprises:one or more vertical connectors, each disposed at an angle of 45° with respect to a center of the inductive element; andone or more conductive traces connecting the one or more vertical connectors.5. The resonator of wherein the conductive path has a length between about 0.5 mm and 20 mm.6. The resonator of wherein a delay between the input node and the output node is between about 0.5 ns and 50 ns.7. The resonator of wherein the conductive cavity encloses the volume such that the conductive path runs parallel to one or more surfaces of the conductive cavity.8. The resonator of wherein the inductive element further comprises at least one intermediate node between the input node and the output node.9. The resonator of wherein a delay between the input node and the at least one intermediate node is different from a delay between the input node and the output node.10. The resonator of further comprising a tunable capacitive element ...

Подробнее