СПОСОБ РАЗДЕЛЕНИЯ ХРУПКИХ НЕМЕТАЛЛИЧЕСКИХ МАТЕРИАЛОВ ПОД ДЕЙСТВИЕМ ТЕРМОУПРУГИХ НАПРЯЖЕНИЙ

Изобретение относится к способам высокоточной лазерной резки хрупких неметаллических материалов, преимущественно стекла, и может быть использовано в электронной, стекольной, авиационной промышленности и других областях. Способ обеспечивает устранение капель хладагента, попадающих в зону воздействия лазерного пучка, и дополнительный нагрев поверхности материала одновременно с воздействием лазерного пучка. На поверхность материала в место нанесения дефекта направляют лазерный пучок и, перемещая материал по линии обработки, одновременно подают поток горячего воздуха так, чтобы зона воздействия лазерного пучка была размещена в зоне воздействия потока горячего воздуха и хладагента. Хладагент попадает в зону, нагретую воздействием лазерного пучка и потоком горячего воздуха. Поток горячего воздуха сдувает капли хладагента, находящиеся на траектории воздействия лазерного пучка, а также препятствует проникновению новых капель хладагента в зону его воздействия. 1 ил.

СТАНОК ДЛЯ ОБРАБОТКИ СТЕКЛА

Полезная модель относится к устройствам для обработки стекла и, в частности, к приводам подвижной каретки с обрабатывающим инструментом и может быть использована в станках для обработки стекла с ручным управлением. Устройство содержит направляющие 1, размещенные на рабочем столе 2, подвижно установленную на них каретку 3 и электродвигатель 6. Новым в устройстве является то, что в него введена цилиндрическая направляющая 4, установленная на опорных стойках 5 и имеющая возможность вращения вокруг своей оси. Выходной вал электродвигателя 6 подсоединен к направляющей 4. На корпусе каретки 3 шарнирно закреплены П-образные обоймы 7, на свободных концах которых установлены в осях ролики 8. Обоймы 7 жестко связаны друг с другом тягами 10, и с ними соединен стержень 11 с рукояткой, обеспечивающий одновременный поворот обойм 7 с роликами 8 на некоторый угол влево или вправо относительно оси направляющей 4.

УСТРОЙСТВО УПРАВЛЕНИЯ РЕЗКОЙ ДВИЖУЩЕЙСЯ ЛЕНТЫ СТЕКЛА

Использование: стекольная промышленность, заводы строительного и технического стекла, производящие листовое стекло горизонтальным способами. Устройство содержит механизмы поперечной и продольной резки стекла, датчик перемещения ленты стекла, шаговый переключатель, три триггера, программируемых счетчика, элементов ИЛИ и пусковых элементов, девять элементов сравнения и элементов И, блок управления поперечной резкой и исполнительные механизмы резаков продольной резки. 1 ил.

СПОСОБ РЕЗКИ ТОНКОГО СТЕКЛЯННОГО СЛОЯ

Изобретение относится к способу резки тонкого стеклянного слоя. Способ резки стеклянного слоя с толщиной, меньшей или равной 0,3 мм, и имеющего первую поверхность и вторую поверхность включает продвижение первого лазерного луча, который создается импульсным лазером, вдоль линии разреза, причем внутри стеклянного слоя между первой поверхностью и второй поверхностью создаются модификации материала, продвижение второго лазерного луча вдоль линии разреза, причем стеклянный слой нагревается лазерным излучением. Затем охлаждают стеклянный слой вдоль линии разреза и стеклянный слой трескается вдоль линии разреза. Первый лазерный луч создается импульсным лазером с длительностью импульсов менее 1 пс и частотой повторения импульсов от 20 кГц до 500 кГц, имеет длину волны от 300 нм до 500 нм и мощность от 20 Вт до 100 Вт. Модификации материала, созданные первым лазерным лучом, включают локальные участки с повышенной плотностью, которые образуются вследствие самофокусировки лазерного излучения. Фокус ...

СПОСОБ РЕЗКИ ЛИСТОВОГО СТЕКЛА

Способ относится к термораскалыванию стекла и позволяет получать заданную форму фацета торца изделия за счет нагрева линии реза лазерным эллиптическим лучом с углом наклона 5 - 26° большой оси к линии перемещения стекла и смещения подачи хладагента относительно линии разделения на величину ширины пучка.

Способ резки хрупких неметаллических материалов

... 1. Способ резки хрупких неметаллических материалов, включающий нагрев поверхности материала по линии реза с помощью лазерного пучка и дополнительное воздействие на поверхность материала, отличающийся тем, что осуществляют по крайней мере один несквозной надрез материала, при этом поверхность материала нагревают двумя лазерными пучками, расположенными на поверхности материала на заданном расстоянии друг от друга в направлении, перпендикулярном направлению относительного перемещения лазерных пучков и материала, а дополнительное воздействие на поверхность материала осуществляют в зоне нагрева по крайней мере одним источником упругих волн, а амплитуду и частоту упругих волн выбирают из условия углубления надреза на заданную глубину или сквозной резки. 2. Способ по п.1, отличающийся тем, что упругие волны концентрируют в объеме материала в зоне надреза по линии реза. 3. Способ по любому из пп.1 и 2, отличающийся тем, что лазерные пучки формируют на поверхности материала вытянутыми в направлении ...

СПОСОБ РЕЗКИ НЕМЕТАЛЛИЧЕСКИХ МАТЕРИАЛОВ

Способ резки неметаллических материалов, преимущественно стекла, путем нанесения предварительного надреза на поверхности материала, поверхностного нагрева материала по контуру обработки эллиптическим лазерным пучком, ориентированным по касательной к точкам контура, при относительном перемещении лазерного пучка и материала, и локального охлаждения зоны нагрева подачей хладагента, отличающийся тем, что дополнительно осуществляют объемный нагрев материала вторым лазерным пучком, при этом его центр смещают в радиальном направлении от центра контура обработки, а предварительный надрез наносят радиально контуру обработки.

Способ лазерной резки слитков неметаллических материалов на пластины

Изобретение относится к способам резки неметаллических материалов, в частности кварцевого стекла, кремния, карбида кремния и других хрупких термостойких материалов. Техническим результатом является повышение качества резки неметаллических материалов на пластины. Заявлен способ лазерной резки слитков неметаллических материалов на пластины, согласно которому в объеме образца неметаллического материала создают надрез сфокусированным лазерным излучением, а затем поверхность слитка нагревают лазерным излучением, для которого материал непрозрачен, при относительном перемещении лазерного пучка и образца материала. При этом надрез создают лазерным излучением, сфокусированным в пятно диаметром 10-100 мкм от импульсного пикосекундного или фемтосекундного лазера, со стороны поверхности образца неметаллического материала в виде не менее двух размещенных вдоль линии реза локальных концентраторов напряжений на глубине h=0,1-1 мм. Причем расстояние между локальными концентраторами напряжений выбирают ...

Способ резки стекла

Устройство для резки листового стекла

Устройство для резки листового стекла

Изобретение относится к промышленности строительства и стройматериалов , в частности к устройствам для резки тонкого плоского стекла, и может быть использовано при изготовлении покровных стекол для микроскопии . С целью повьшения качества реза плоскость 8 вакуум-присоса в устройстве для резки листового стекла установлена под углом 3-10 к горизонтали , причем вершина угла обращена в сторону, противоположную месту установки режущего инструмента. Характер нажатия вакуумного присоса 7 значительно увеличивает изгибающий момент, как бы сглаживая при этом усилие нажатия, направленное перпендикулярно к плоскости отрезаемого стекла. 1 ил. i со ...

Устройство для резки ленты стекла

Устройство для резки ленты стекла

Поточная линия для резки листового стекла и укладки листов стекла в ящик

Устройство для резки движущейся ленты стекла

Автоматическое устройство к машине Фурко и т.п. для разрезания ленты стекла

Способ резки стекла

Изобретение относится к промьш- ленности строительства и стррймате-. риалов, в частности к стекольному производству, и может быть использовано при резке оконного, прокатного и полированного стекла. С целью повышения качества резки и продления срока службы ролика процесс резки по предложенному способу ведут с заданием оптимального усилия F на ролик. При этом напряжение разлома имеет оптимальное значение ( Напряжение разлома надрезанной ленты пропорционально квадрату ее длины, прошедшей отломочный вал. В процессе резки идет притупление режущей кромки ролика , что ухудшает качество реза. Для этого необходимо постоянно увеличивать нажим на ролик, усилие F так, чтобы величина имела постоянное оптимальное значение. Нуль-орган сравнивает текущее значение i с опт -При увеличивается нажим на ролик на величину /IF, равную обычно 0,5-1 кг. 1 ил. i (Л со ел 00 сг со ...

Устройство для отделения бортов от непрерывной ленты стекла и их дробления

"Установка для транспортировки

Механический борторез для машин вертикального вытягивания листового стекла

Отломщик бортов листа стекла

Устройство для резки листового стекла

Устройство для резки листового стекла

Стол для резки листового стекла

Устройство для разделения надрезанных армированных стеклоизделий

УСТРОЙСТВО ДЛЯ МЕХАНИЗИРОВАННОЙ РЕЗКИ СТЕКЛА

Устройство для отрезки бортов и продольной резки ленты стекла в поточной линии

Устройство для разлома листового стекла

DEVICE FOR RAISING GLASS CUTTER HEAD

Способ резки листов стекла

Устройство для отломки листов стекла

Изобретение относится к промышленности стройматериалов, в частности к устройствам для отломки листов стекла от ленты, непрерывно вытягиваемой машиной вертикального вытягивания стекла, и может применяться в поточных механизированных линиях транспортирования листов. Цель изобретения - повышение эффективности и надежности за счет оптимизации величины и направления крутящего момента, развиваемого приводом поворота рамы. Устройство для отломки листов стекла содержит поворотно-отломочную раму с прижимными и опорными валками. Привод поворота рамы представляет собой соединенный с магистралью подвода рабочей среды двухполостный силовой пневмоцилиндр, шарнирно закрепленный на остове и шток которого шарнирно соединен с рамой. Силовой цилиндр снабжен двумя вспомогательными однополосными цилиндрами, один из которых размещен на задней крышке силового цилиндра соосно со штоком, а второй установлен концентрично штоку на его передней крышке. Штоки вспомогательных цилиндров обращены к поршню силового цилиндра ...

Устройство для отломки листов стекла

Изобретение относится к промышленности строительства и стройматериалов к устройствам для отломки листов стекла от ленты, непрерывно вытягиваемой машиной вертикального вытягивания стекла, и может применяться в поточных механизированных линиях транспортирования. Цель - улучшение эксплуатационных характеристик устройства за счет повышения эффективности уравновешивания отломочной рамы. Наряду с уменьшением мощности привода поворота ра1 Изобретение относится к промьш- ленно.сти строительства и стройматериалов , к устройствам для отломки листов стекла от ленты, непрерывно вытягиваемой машиной вертикального вытягивания стекла,и может применяться в поточных механизированных линиях транспортирования листов. Целью изобретения является улучшение эксплуатационных характеристик мы устройство обеспечивает эффективное снижение величины знакопеременных нагрузок на элементы привода,что увеличивает долговечность их работы и позволяет при необходимости изменять величину дополнительного крутящего момента, ...

Устройство подъема головок для резки плоского стекла

Изобретение относится к промышленности строительства и строительных материалов , а именно к оборудованию порезки стекла, используемому на стекольных заводах , Сущность изобретения: для исключения заедания края сектора в выемке и соударения цевки с пазом сектор кривошипа выполнена с магнитом, установленным на периферии сектора и взаимодействующим с выемкой мальтийского креста, угол между магнитом и цевкой кривошипа равен или меньше угла, стягивающего дугу выемки . 1 ил, ...

Способ механо-термической резки стекла

Изобретение относится к строительству и производству стройматериалов , а именно к стекольному производству , к способам резки горячей ленты (бруса) непосредственно после ее формования , и может быть использовано для поперечной или продольной резки закаленных или полузакаленных стекло- изделий, получаемых непрерывной выработкой . С целью повьшения качества поверхности разлома профилей из оптического стекла, полученных отливкой стекломассы на водоохлаждаемый фор- мователь, и повышения производительности линию надреза наносят по нижней (полузакаленной) поверхности профиля. Надрез, нанесенный на закаленную -поверхность, является концентратором напряжений в стекле. Линию надреза обдувают хладагентом, что увеличивает концентрацию напряжений до критических, развивается трещина в стекле. А поскольку в самом профиле есть значительные напряжения растяжения от усадки остьшающей стекломассы происходит термический разлом профиля. Разлом стекла происходит по наименьшему сечению профиля. Далее стекло ...

Устройство для резки листового стекла

Изобретение относится к промышленности строительных материалов в частности к производству листового стекла. Целью изобретения является улучшение качества реза и упрощение конструкции. Устройство для резки листового стекла содержит стол 1 с закрепленным на нем регулятором 2 длины реза, выполненным в виде направляющей с шарнирным 3 и неподвижным 12 упорами. Передвижной мост 4 установлен на поворотном валу 5, на котором размещены резаки 6 и подпружиненный двуплечий рычаг 7. Рычаг 7 взаимодействует с фиксатором 8, выполненным в виде кулисно-ры- чажной пары, кулиса 9 которой взаимодействует с подпружиненным рычагом 7, а ее рычаг 11 - с регулятором 2 длины реза. Устройство обеспечивает равномерное распределение усилия резаков по всей длине реза. 1 ил. С с ...

Устройство для резки листовогоСТЕКлА

Способ резки заготовок из листовогоСТЕКлА

Режущая головка для резки листового стекла

... 1. РЕЖУЩАЯ ГОЛОВКА ДЛЯ гаЗКИ ЛИСТОВОГО СТЕКЛА, ооцеркашая корпус, устройство для установки режуШзй головки по высоте, рычаг, связанный с крпирвым устрс ством, оердкатёль режущего колесика н винт регулирования усилия реаания, отличающаяся тем, что, с целью повышения аффективности работы и повышения aaci ройки кстнрнсе устройство выполнено ъ виде съемного кулачка симметрично распспоженными скосами н центральным вертикальным пазом с держателем режущего . колесика,выполненным в виде винта,-вга ловке которого установлено режушее копе-, сике, а на резьбе смонтирована регулирукшая гайка, размешенная в горизонтальном пазу копиреого устройства. 2. Головка по п. 1, о т л и ч а ю ш а я с я тем, что, с целью обеспечения смазки режущего колесика, устрсАство дляустансфки режущей головки по вьюоте вьшопншо в виде подпружинен- ной nycTOTencdt скапки с подпружи- ненным штчжом, установленной соосно держатепю рех тщего колесика, а винт регулирования усилия резания выполнен в вице капелыюй масленки, п ягаем.щток ...

Устройство для резки листов стекла

Установка для раскроя ленты стекла на форматы

Установка для раскроя ленты стекла на форматы

Изобретение относится к промьш- ленности строительства и стройматериалов , к стекольному производству, может быть использовано в поточных линиях дня изготовления листового стекла. С целью распгарения технологических возможностей, упрощения 4 Л VV // Ь / // / / / / / . /, / /, / конструкции и автоматизации процесса раскроя стекла на форматы от ленты , перемещающейся в направлении, например, справа налево, отрезанные листы подаются на стол раскроя. Когда передняя кромка листа упрется в шарик 5 первого датчика и утопит его, замкнется первый нормально от- крытьш контакт и разомкнется второй нормально закрытый контакт переключателя 8. После прохождения листа, т.е., когда задняя кромка листа пройдет первый датчик, его шарик возвратится в исходное положение, при этом второй контакт его микропереключателя замкнется и восстановит электрическую цеп1/. Такое конструктивное выполнение датчика исключит из установки механизмы подъема и опускания датчика, сократит расход воздуху, необходимый для работы ...

Устройство для резки листового стекла

Устройство для резки листового стекла

Устройство для резки ленты стекла

Устройство для надрезки листового стекла

Устройство для отломки бортов от листового стекла

... 1. УСТРОЙСТВО ДЛЯ ОТЛОМКИ БОРТОВ ОТ ЛИСТОВ СТЕКЛА, содержащее секцию рольганга с приводными роликами, опорные конвейеры, установленные в плоскости роликов рольганга с двух сторон его параллельно продольной оси, и смонтированные над конвейерами с возможностью возвратно-поступательного перемещения в вертикальной плоскости линейки с отломочными и прижимными планками, отличающеес я тем, что, с целью повышения качества кромок листов стекла, оно снабжено коЕ оь«лслами, смонтированными на линейках с возможностью качения в плоскости, перпендикулярной оси рольганга, а при- g жимные и отломочные планки прикреплены шарнирно к концам корокисел, ...

Устройство для направления листового стекла в зажимные валики отломщика машины вертикального вытягивания стекла

Устройство для управления резкой движущейся ленты стекла

Устройство для отделения по поперечному надлому листов от движущейся армированной ленты стекла

Устройство для резки стекла

Изобретение относится к промышленности строительства и стройматериал лов, в частности к стекольному производству , к устройствам для раскроя стекла. С целью повышения производительности и удобства обслуживания, в устрой- - стве поперечная направляющая опора жестко соединена с передвижной кареткой , установленной на продольной направляющей, и оборудована двумя стеклорезодержателями продольной рез- .ки, одним стеклорезодержателем поперечной резки, прижимными роликами и фиксаторами положения стеклорезов. Стекло укладывают на плоскость стола и прижимают к упору мерной линейки, набирают необходимый размер нарезаемых стекол по мерной линейке на поперечной направляющей и стопорят фиксаторами , рукой нажимают шток прижимного ролика с закрепленным в нем стеклорезом и, протягивая каретку по продольной направляющей, производят резкУ стекла. Затем набирают размер на линейке, установленной на продольной направляющей, каретка стопорится , нажимая на шток поперечного стеклорезодержателя, производится ...

Способ резки листов стекла

Универсальный рамный отломщик

Устройство для поперечной резки ленты стекла

Способ управления резкой листового стекла

Устройство для резки листов стекла

Устройство для надрезания плоского листового стекла

LAMINATED GLASS CUTTING MACHINE AND PROCEDURE FOR CUTTING LAMINATED GLASS

VERFAHREN ZUM TEILEN VON GLASTAFELN IN ZUSCHNITTE

PROCEDURE FOR THE SEPARATION FROM GLASS AND USE OF THE BUT IT SUITABLE CUTTING LUBRICANT

PROCEDURE FOR DIVIDING GLASTAFELN INTO CUTS

DEVICE FOR THE SEPARATION OF A PROFILE GLASS VOLUME, IN PARTICULAR WITH U-AEHNLICHEM CROSS SECTION

PROCEDURE FOR SPLITTING PLATES FROM MECHANICALLY BRITTLE ONES AND NON-METALLIC MATERIALS

DEVICE FOR PROMOTING DISKS FROM GLASS OR FROM OTHER MATERIALS AND TO THE USE TO ROADS FOR CUTTING AND WORKING ON THESE DISKS.

PRODUCTION OF FINISHED ONE WINDOWPANES WITH NUMERIC CONTROL.

PROCEDURE FOR THE PRODUCTION OF A GLASS MEASURER.

METHOD FOR SCRIBING SUBSTRATE OF BRITTLE MATERIAL AND SCRIBER

CUTTING HOT GLASS SHEET WITH CUTTING BLADE

SNAPPING GLASS SHEETS

APPARATUS FOR CUTTING GLASS

Procédé pour la découpe automatique d'une bande de verre continue et appareil pour la mise en oeuvre de ce procédé.

Dispositif pour la coupe franche d'un ruban de verre.

Installation pour détacher une plaque de verre d'un ruban continu préalablement incisé et pour transporter cette plaque

Procédé de découpe automatique en tronçons de dimensions prédéterminées d'un ruban de verre continu sortant d'une machine d'étirage vertical et installation pour la mise en oeuvre de ce procédé

Installation pour débiter un ruban continu de verre en plaques

Installation automatique pour tailler des plaques à partir d'un ruban continu de verre

EINRICHTUNG MIT ELEKTRISCHEN HEIZKOERPERN ZUR HERSTELLUNG EINES FLACHEN GLASES UND VERFAHREN ZU DEREN BETRIEB.

Cutting device for glass

The device comprises a head subjected to the pressure of a pneumatic member, this head imparting a constant force to a cutting wheel (6) pressing on the glass and capable of moving substantially parallel to the glass in order to follow the cutting line. The diameter of the wheel (6), its cutting angle and the force with which the latter presses on the glass are a function of the thickness of the glass to be cut. The cutting angle verifies the following relation: cutting angle = 2 x Arc sin (1 - 0.18 DIVIDED thickness of the glass) ...

PRODUCTION OF MUCH LAYER WINDOW GLASS

PRODUCTION OF MUCH LAYERED WINDOW GLASS

УСТАНОВКА ДЛЯ ГИДРОАБРАЗИВНОЙ РЕЗКИ ПЛАСТИНЧАТЫХ МАТЕРИАЛОВ

В установке гидроабразивной резки для обработки по существу вертикально ориентированных пластинчатых материалов, например стеклянных пластин, для улучшения доступности к области загрузки и/или разгрузки обрабатывающей установки и для повышения безопасности обслуживания по меньшей мере часть высоконапорного трубопровода (1) проводится от направляющей (5) по меньшей мере одним направляющим элементом (6, 7) к задней стороне (13, 20) устройства.

Способ разделения резкой кристаллического кварца под действием термоупругих напряжений

Способ разделения резкой кристаллического кварца под действием термоупругих напряжений, включающий выбор направления резки относительно кристаллографической ориентации кристаллического кварца, определение значения коэффициента линейного термического расширения в зависимости от направления резки относительно кристаллографической ориентации кристаллического кварца, выбор интенсивности нагрева в каждом направлении резки за счет изменения скорости относительного перемещения лазерного пучка и кварца ν, м/с, и/или изменения мощности лазерного излучения P, Вт, нанесение надреза по линии реза, лазерный нагрев линии реза до температуры, не превышающей температуру релаксации термоупругих напряжений, при относительном перемещении лазерного пучка и кварца и локальное охлаждение зоны нагрева хладагентом, отличающийся тем, что перед выбором интенсивности нагрева определяют значение коэффициента теплопроводности в зависимости от направления резки относительно кристаллографической ориентации кристаллического ...

Способ лазерного управляемого термораскалывания хрупкого неметаллического материала

Способ лазерного управляемого термораскалывания хрупкого неметаллического материала, преимущественно стекла, путем нагрева линии реза лазерным пучком при относительном перемещении лазерного пучка и материала, локального охлаждения зоны нагрева подачей хладагента и инициирования разделяющей микротрещины путем нанесения дефекта на поверхность материала, отличающийся тем, что предварительно на нагретую лазерным пучком и охлажденную хладагентом поверхность материала воздействуют световым лучом, измеряют разность хода обыкновенного и необыкновенного световых лучей на данной скорости относительного перемещения лазерного пучка и материала, выбирают скорость в соответствии с выражением: 11<Δ<30, где Δ - разность хода обыкновенного и необыкновенного лучей, нагревают линию реза с установленной скоростью V относительного перемещения лазерного пучка и материала, подают хладагент в зону нагрева и одновременно с подачей хладагента в зоне охлаждения наносят дефект, причем место нанесения дефекта устанавливают ...

DEVICE FOR SEPARATING PLATE MATERIALS

Method for cutting liquid crystal display panel of bar screen

Glass panel cutting method

Automatic transverse cutting machine for substrate glass

Method for manufacturing reinforced glass plate, and method for manufacturing glass plate for reinforcement

Piece severing machine

Method and device for cutting out hard-brittle substrate

The invention provides a method and a device for cutting out a hard-brittle substrate. To cut out a hard-brittle substrate by blasting, laying out substrates 2 on a plate material 1 made of a hard-brittle material with leaving a space for blasting; forming first protective films 4 on both surfaces of the plate material 1 at layout positions of the substrates 2; and forming second protective films 5 on both surfaces of a margin 3 of the plate material 1 with leaving a space with respect to the first protective films 4 and having outer edges from a periphery of the plate material 1 at a width of 5 mm or less; cutting regions 6 between the films 4, 4 and between the films 4, 5 from one surface of the plate material 1 to a depth of approximately half of a thickness thereof by blasting, then cutting from the other surface of the plate material 1 until the plate material 1 is penetrated.

A pressure plate mechanism and glass substrate slitter construct for glass substrate rules

Break limit track drive gear lubricating system off with fingers and thumb

... 本实用新型提出一种掰边轨道传动齿轮润滑系统，包括轨道本体、安装槽和传动齿轮，传动齿轮通过安装槽设于轨道本体上且传动齿轮的齿轮本体伸出安装槽外，齿轮本体的下方设置有稀油槽，稀油槽内盛有150#齿轮油，稀油槽设置于油槽底座上，油槽底座下方还设置有升降台，升降台控制油槽底座的高低使得齿轮本体的至少1/3部分浸泡在150#齿轮油中。本实用新型结构简单、设计科学，玻璃掰边作业中产生的玻璃颗粒和玻璃粉尘即使落到传动齿轮上，在150#齿轮油的冲洗下也会很快被带入油槽底部沉淀，因而有效减少了玻璃颗粒及玻璃粉尘对传动齿轮的磨损，同时还保证了传动齿轮的正常润滑。 ...

Efficient glass cutting device

A vertical glass cutting device

Thin glass sheet and system and method for forming the same

Apparatus for breaking substrate of brittle material

The invention provides a small and inexpensive apparatus for breaking large glass plate and the like brittle material substrates. The breaking apparatus is an apparatus for breaking brittle material substrate formed with breaking slot along the breaking slot, including a base 1 and a pair of plier heads 32. The pair of plier heads 32 are supported by the base 1, for gripping the two end parts of the breaking slot of the brittle material substrate formed with breaking slot, and making the breaking load act on the two end parts of the breaking slot to break the brittle material substrate.

Method for cutting off laminated ceramic substrate

The invention relates to a method for cutting off a laminated ceramic substrate. The method is used for cutting off the laminated ceramic substrate provided with a glass layer and a ceramic substrate unit which are laminated. In the glass layer (11) of the laminated ceramic substrate (10) comprising the glass layer (11) and the ceramic layer (12), a scribed line (S1) is formed along a predetermined cutting line through a scribing device. Then a scribed line (S2) on the ceramic layer (12) is formed along a predetermined cutting line through the scribing device. The laminated ceramic substrate is cut off along the scribed lines (S1, S2) from any surface. In this way, the laminated ceramic substrate (10) can be cut off completely.

Method and device of carving thin glass and carved thin glass

Glass cracking hinged module

Wafer generating method and processing feeding direction detecting method

Cleaving apparatus for a band-like glass film and cleaving method for a band-like glass film

A cleaving apparatus holds at least one surface (effective surface) of a band-like glass film in a non-contact state to suppress a situation that wavy portions reach a region in which the band-like glass film is to be cleaved. The cleaving apparatus cleaves the band-like glass film, which is being conveyed in a longitudinal direction thereof, along a conveyance direction thereof using a thermal stress generated through localized heating and cooling of a heated region. The localized heating and the cooling is performed on a preset cleaving line extending along the conveyance direction of the band-like glass film. The cleaving apparatus includes an air knife for supplying air to a front surface of the band-like glass film to retain the film on a conveyor at a position on an upstream side of a cleaving region in the conveyance direction.

GLASS SHEET CUTTING METHOD

A glass sheet cutting device () fuses and divides a glass substrate (G) using a preset cutting line (CL) as a boundary while supplying an assist gas (AG) and a laser beam from above the glass substrate (G) along the preset cutting line (CL) of the glass substrate (G). The glass sheet cutting device () includes a first laser irradiator () for radiating a fusing laser beam (LB) and a second laser irradiator () for radiating an annealing laser beam (LB). Through a fusing gap (S) formed between fused end surfaces (Ga, Gb) by fusing, the second laser irradiator () radiates the annealing laser beam (LB) obliquely from above onto the fused end surface (Ga) to be annealed. 1. A glass sheet cutting method , comprising:radiating a laser beam from above along a preset cutting line of a glass sheet; andfusing and dividing the glass sheet using the preset cutting line as a boundary, a fusing laser beam for fusing the glass sheet; and', 'an annealing laser beam for annealing fused end surfaces of the glass sheet, and, 'wherein the laser beam compriseswherein the annealing laser beam is obliquely radiated from above onto at least one of the fused end surfaces to be annealed through a gap that is formed between the fused end surfaces by the fusing.2. The glass sheet cutting method according to claim 1 , wherein a region irradiated with the annealing laser beam has an intensity distribution in which an intensity of thermal energy changes from a fusing execution portion to a fusing completed portion on the preset cutting line.3. The glass sheet cutting method according to claim 1 , wherein the annealing laser beam is inclined so as to come closer to the glass sheet from a fusing uncompleted portion side toward the fusing completed portion side on the preset cutting line or from the fusing completed portion side toward the fusing uncompleted portion side on the preset cutting line.4. The glass sheet cutting method according to claim 1 , wherein the annealing laser beam has an ...

Methods of manufacturing a glass substrate

Methods of manufacturing a glass substrate includes the step of providing a glass substrate with a thickness of less than or equal to about 0.4 mm and providing a scoring device including scoring wheel with an outer peripheral scoring blade including a plurality of notches radially spaced apart from one another. The method further includes the step of engaging the outer peripheral scoring blade against a face of the glass substrate with a normal force of from about 8.9 newtons to about 15.6 newtons. The method also includes the step of traversing the scoring device and the glass substrate relative to one another while maintaining the normal force such that scoring wheel rotates relative to the base while the scoring blade of the scoring wheel generates a crack having a depth that is less than the thickness of the glass substrate.

Cutting method for glass sheet and glass sheet cutting apparatus

Provided is a cutting method for a glass sheet, comprising radiating a laser beam to a cutting portion (C) of a glass sheet (G) having a thickness of 500 μm or less to fuse the glass sheet (G), wherein a narrowest gap between fused end surfaces (Ga1 and Gb1) of the glass sheet (G), which face each other in the cutting portion (C), is managed to satisfy a relationship of 0.1≦b/a≦2, where “a” is a thickness of the glass sheet (G) and “b” is the narrowest gap. 1. A cutting method for a glass sheet , comprising radiating a laser beam to a cutting portion of the glass sheet having a thickness of 500 μm or less , to thereby fuse the glass sheet ,wherein a narrowest gap between fused end surfaces of the glass sheet, which face each other in the cutting portion, is managed to satisfy a relationship of 0.1≦b/a≦2, where “a” is a thickness of the glass sheet and “b” is the narrowest gap.2. The cutting method for a glass sheet according to claim 1 , wherein the radiating the laser beam to the cutting portion is carried out in a defocus state.3. The cutting method for a glass sheet according to claim 1 , wherein the laser beam has a spot diameter that is smaller than the narrowest gap.4. The cutting method for a glass sheet according to claim 1 , wherein at least one of the fused end surfaces comprises a convex curved surface.5. The cutting method for a glass sheet according to claim 1 , wherein at least one of the fused end surfaces comprises a fire-polished surface.6. The cutting method for a glass sheet according to claim 1 , wherein at least one of the fused end surfaces has an arithmetic mean roughness Ra of 0.3 μm or less claim 1 , and a mean length RSm of a roughness curve element of 150 μm or more.7. The cutting method for a glass sheet according to claim 1 , wherein at least one of the fused end surfaces has a residual compressive stress ranging from 20 MPa to 500 MPa.8. A glass sheet claim 1 , comprising a fused end surface formed by fusing with a laser beam and having ...

APPARATUS AND METHOD CHARACTERIZING GLASS SHEETS

An apparatus and method for continuous edge separation in a continuous process for a ribbon of flexible brittle material such as a thin ribbon of glass is disclosed wherein an initial flaw or score is formed in the ribbon. The initial flaw is turned into a crack that propagates continuously throughout the processing of the ribbon. The cracking itself results in no material loss. After cracking, the cut side edge is routed along a path different than the interior quality region to avoid contact damage between the quality region and the edge portion. The quality region can be provided for further processing or be stored. The flexible, brittle ribbon can be sourced from a hot forming device or from a roll (spool) of substrate. 1. An apparatus for trimming a moving glass ribbon comprising a quality portion and an edge portion adjacent to the quality portion , the apparatus comprising:a support body for supporting the moving glass ribbon, the support body comprising an upper surface defining a plurality of orifices for emitting a gas;a cutting device configured to separate the edge portion from a quality portion of the moving glass ribbon, the quality portion traveling along a first path after the separation;a bypass apparatus configured to guide the separated edge portion along a second path different from the first path, the edge portion remaining connected to the moving glass ribbon;a cross scoring device arranged to form a score in the quality portion in a direction perpendicular to a direction of travel of the quality portion; anda breaking apparatus configured to produce a tensile stress across the score.2. The apparatus according to claim 1 , wherein the support body comprises an arcuate upper surface.3. The apparatus according to claim 1 , wherein the cutting device comprises a first scoring device claim 1 , a laser and a fluid nozzle configured to emit a cooling fluid.4. The apparatus according to claim 3 , wherein the first scoring device comprises a roller ...

CUTTING DEVICE AND METHOD FOR PRODUCING FOAM GLASS BOARDS

The present invention relates to a method for the continuous production of cellular glass sheets, wherein the cellular glass is expanded from at least one glass raw material and at least one blowing agent in a cellulating furnace to yield a cellular glass web () and is then continuously cooled in a cooling furnace (), wherein the cellular glass web is transported on a continuous conveyor system through the furnace(s) during foaming and cooling, and wherein the cellular glass web is cut in the furnace or between two furnaces as well as a corresponding cutting apparatus and a cellular-glass cooling section with a corresponding cutting apparatus. 1. Cutting apparatus for cutting a continuously moving object transversely to the direction of movement comprising a cutting tool and an extended holder , at the end of the longitudinal axis of which there is amounted the cutting tool , wherein the holder comprises a movement device , with which at least one of the holder and of the cutting tool can be moved along the longitudinal axis of the holder , and wherein the cutting apparatus comprises a compensation device with which the movement transverse to the longitudinal axis of the holder is compensated during cutting , and wherein the compensation apparatus is configured such that the holder can be pivoted and/or elastically deformed transversely to the longitudinal axis of the holder.2. Cutting apparatus in accordance with claim 1 ,wherein the cutting tool is a blade whose cutting edge is arranged transversely to the holder, a rotating cutting disc or a saw which reciprocates transversely to the holder.3. Method for the continuous production of cellular glass sheets claim 1 , wherein the cellular glass is expanded from at least one glass raw material and at least one blowing agent in a cellulating furnace to yield a cellular glass web and is then continuously cooled in a cooling furnace claim 1 , wherein the cellular glass web is transported on a continuous conveyor system ...

Glass cutting machine

A glass cutting machine includes a worktable, a cutting mechanism positioned above the worktable, and a plurality of grasping assemblies rotatably positioned on the worktable for transporting glass plates. Each grasping assembly includes a support shaft rotatably received in the worktable, a positioning bar fixed to an end of the support shaft, and one or more grasping members positioned on the positioning bar. The worktable includes several rotating members, and each rotating member includes a support disc that can be rotated to drive the glass plate to rotate.

Method of cleaving and separating a glass sheet and apparatus for cleaving and separating a glass sheet

Provided is a method of cleaving and separating a glass sheet, the method comprising: a cleaving step of cleaving a glass sheet (G) along preset cleaving lines (X, Y) by a laser cleaving method; and a separation step of separating adjacent pieces of the cleaved glass sheet (G) from each other, wherein the cleaving step is performed under a state in which the glass sheet (G) is placed on support members () provided respectively in segment regions (P to P), which are segmented by the preset cleaving lines (X, Y), and the separation step is performed by separating the support members () from each other in adjacent segment regions (P to P). 1. A method of cleaving and separating a glass sheet , the method comprising:a cleaving step of cleaving the glass sheet along a preset cleaving line by a laser cleaving method; anda separation step of separating adjacent pieces of the cleaved glass sheet from each other,wherein the cleaving step is performed under a state in which the glass sheet is placed on support members provided respectively in segment regions, which are segmented by the preset cleaving line, and the separation step is performed by separating the support members from each other in adjacent segment regions.2. The method of cleaving and separating a glass sheet according to claim 1 , wherein the preset cleaving line comprises:a preset transverse cleaving line for forming a transversely cleaved portion extending in a transverse direction of the glass sheet; anda preset longitudinal cleaving line for forming a longitudinally cleaved portion extending in a longitudinal direction of the glass sheet that is orthogonal to the transverse direction.3. The method of cleaving and separating a glass sheet according to claim 2 , wherein claim 2 , after the cleaving step is performed along the preset transverse cleaving line claim 2 , the separation step is performed for the transversely cleaved portion claim 2 , and then claim 2 , after the cleaving step is performed along ...

METHOD OF CLEAVING AND SEPARATING A GLASS SHEET

Provided is a method of cleaving and separating a glass sheet (G), the method comprising: a cleaving step of cleaving the glass sheet (G) along preset cleaving lines (X, Y) by a laser cleaving method; and a separation step of separating adjacent pieces of the cleaved glass sheet (G) from each other, wherein the cleaving step is performed under a state in which the glass sheet (G) is placed on a sheet (S) having stretchability, and the separation step is performed by stretching the sheet (S). 1. A method of cleaving and separating a glass sheet , the method comprising:a cleaving step of cleaving the glass sheet along a preset cleaving line by a laser cleaving method; anda separation step of separating adjacent pieces of the cleaved glass sheet from each other,wherein the cleaving step is performed under a state in which the glass sheet is placed on a sheet having stretchability, and the separation step is performed by stretching the sheet.2. The method of cleaving and separating a glass sheet according to claim 1 , wherein the preset cleaving line comprises:a preset transverse cleaving line for forming a transversely cleaved portion extending in a transverse direction of the glass sheet; anda preset longitudinal cleaving line for forming a longitudinally cleaved portion extending in a longitudinal direction of the glass sheet that is orthogonal to the transverse direction.3. The method of cleaving and separating a glass sheet according to claim 2 , wherein claim 2 , after the cleaving step is performed along the preset transverse cleaving line claim 2 , the separation step is performed for the transversely cleaved portion claim 2 , and then claim 2 , after the cleaving step is performed along the preset longitudinal cleaving line claim 2 , the separation step is performed for the longitudinally cleaved portion.4. The method of cleaving and separating a glass sheet according to claim 2 , wherein claim 2 , after the cleaving step is performed along the preset ...

TRANSPARENT MATERIAL PROCESSING WITH AN ULTRASHORT PULSE LASER

A method for scribing transparent materials uses ultrashort laser pulses to create multiple scribe features with a single pass of the laser beam across the material, with at least one of the scribe features being formed below the surface of the material. This enables clean breaking of transparent materials at a higher speed than conventional techniques. 1. A method of scribing a transparent material , comprising:using a single pass of a focused beam of ultrashort laser pulses to create a surface groove in said material and at least one modified region within the bulk of said material during motion of said transparent material relative to said focused laser beam,wherein an intensity of said focused beam produces non-linear absorption within a material region, and said ultrashort pulses are generated at a repetition rate sufficiently high such that spatial overlap between said pulses, and interaction between said laser pulses and a modified region, creates at least one additional region of material modification within the material,wherein said surface groove and said at least one modified region are each formed by interaction of said focused beam with said material, said surface groove in said material and said at least one modified region within the bulk being formed along a beam propagation direction, andwherein said surface groove and said at least one modified region are discontinuous and separated in depth.2. The method according to claim 1 , wherein a location of said surface groove and said at least one modified region are separated by a determined distance.3. The method according to claim 1 , wherein said transparent material comprises sapphire.4. A method for scribing a transparent material claim 1 , comprising:using a single pass of a focused beam of ultrashort laser pulses to create a plurality of modified regions within the bulk of said material during motion of said transparent material relative to the focused laser beam, wherein said method comprises ...

METHODS FOR SEPARATING GLASS SUBSTRATE SHEETS BY LASER-FORMED GROOVES

Methods for separating glass articles from glass substrate sheets are described herein. In one embodiment, a method includes focusing a laser beam on at least one surface of the glass substrate sheet such that the laser beam has an asymmetrical intensity distribution at the at least one surface of the glass substrate sheet. The method further includes translating the laser beam on the at least one surface of the glass substrate sheet along a desired groove line to form at least one groove on the at least one surface of the glass substrate sheet. The at least one groove extends partially through a thickness of the glass substrate sheet along the desired groove line and has bevelled or chamfered walls. The glass article may be separated from the glass substrate sheet along the at least one groove. 1. A method of separating a glass article from a glass substrate sheet , the method comprising:focusing a laser beam on at least one surface of the glass substrate sheet, wherein the laser beam comprises an asymmetrical intensity distribution at the at least one surface of the glass substrate sheet;translating the laser beam on the at least one surface of the glass substrate sheet along a desired groove line to form at least one groove on the at least one surface of the glass substrate sheet, the at least one groove extending partially through a thickness of the glass substrate sheet along the desired groove line and comprising bevelled or chamfered walls; andseparating the glass article from the glass substrate sheet along the at least one groove.2. The method of further comprising strengthening the glass substrate sheet by a strengthening process.3. The method of wherein at least a portion of one or more edges of the glass article are under compressive stress.4. The method of wherein the at least one groove continuously extends around a perimeter of the glass article.5. The method of wherein:the laser beam has a wavelength that is within a spectral region of transparency ...

METHOD AND APPARATUS FOR SEPARATION OF STRENGTHENED GLASS AND ARTICLES PRODUCED THEREBY

Methods and apparatus for separating substrates are disclosed, as are articles formed from the separated substrates. A method of separating a substrate having a main surface, a tension region within an interior thereof, and a compression region between the main surface and the tension region, includes forming a modified stress zone extending along a guide path within the substrate such that a first portion of the substrate is within the modified stress zone, wherein the portion of the substrate within the modified stress zone has a modified stress different from a preliminary stress of the first portion. A vent crack also formed in the first main surface. The vent crack and the modified stress zone are configured to separate the substrate along the guide path. 1. A method , comprising:providing a substrate having a first main surface, a tension region within an interior of the substrate and a compression region between the first main surface and the tension region, wherein a first portion of the substrate has a preliminary stress;forming a modified stress zone extending along a guide path within the substrate such that the first portion of the substrate is within the modified stress zone, wherein the portion of the substrate within the modified stress zone has a modified stress different from the preliminary stress; andafter forming the modified stress zone, forming a vent crack in the first main surface,wherein the vent crack and the modified stress zone are configured such that the substrate is separable along the guide path upon forming the vent crack.2. The method of claim 1 , wherein the portion of the substrate is arranged within the tension region.3. The method of claim 1 , wherein the portion of the substrate is arranged within the compression region.4. The method of claim 1 , wherein the preliminary stress is a tensile stress.5. The method of claim 4 , wherein the modified stress is a tensile stress having a magnitude greater than the preliminary tensile ...

METHOD AND APPARATUS FOR SEPARATION OF STRENGTHENED GLASS AND ARTICLES PRODUCED THEREBY

Methods and apparatus for separating substrates are disclosed, as are articles formed from the separated substrates. A method of separating a substrate having first and second surfaces includes directing a beam of laser light to pass through the first surface and, thereafter, to pass through the second surface. The beam of laser light has a beam waist located at a surface of the substrate or outside the substrate. Relative motion between the beam of laser light and the substrate is caused to scan a spot on a surface of the substrate to be scanned along a guide path. Portions of the substrate illuminated within the spot absorb light within the beam of laser light so that the substrate can be separated along the guide path. 1. A method , comprising:providing a substrate having a first surface and a second surface opposite the first surface, wherein at least one of the first surface and the second surface is compressively stressed and an interior of the substrate is under a state of tension;directing a beam of laser light to pass through the first surface and to pass through the second surface after passing through the first surface, wherein the beam of laser light has a beam waist at a surface of the substrate or outside the substrate;causing the beam of laser light to be scanned relative to the substrate along a guide path;removing material from a surface of the substrate at a plurality of locations along the guide path with the beam of laser light; andseparating the substrate along the guide path.2. The method of claim 1 , wherein the substrate is a strengthened glass substrate.3. The method of claim 2 , wherein the substrate has a thickness greater than 200 μm.4. The method of claim 2 , wherein the substrate has a thickness less than 600 μm.5. The method of claim 1 , wherein the substrate comprises:a compression region extending from the at least one of the first surface and the second surface into the interior of the substrate; anda tension region adjacent to the ...

THERMAL LASER SCRIBE CUTTING FOR ELECTROCHROMIC DEVICE PRODUCTION

The disclosure is directed to a cutting process involving: (a) creating a starter crack using a scribe wheel, (b) application of laser or electrothermal heating, and (c) subsequent cooling from a gas or an aerosol jet, as the laser beam and cooling jet move along the desired cutting line. The cutting process can be implemented for cutting a glass panel or other substrate into a plurality of smaller panels. The starter crack may be created on any of the smaller panels within about 10 mm to about 20 mm from the corner of the smaller panel. 1. A method of cutting a panel from a substrate , comprising:creating a starter crack on the panel;heating the starter crack through one of laser heating or electrothermal heating; andcooling the laser heated starter crack.2. The method of claim 1 , wherein the starter crack is created within about 20 mm of a corner of the panel.3. The method of claim 1 , wherein the starter crack is created within about 10 mm of a corner of the panel.4. The method of claim 1 , wherein the starter crack is between about 5 mm and 6 mm wide.5. The method of claim 1 , wherein the starter crack is between about 300 microns and about 1200 microns deep.6. The method of claim 1 , wherein the starter crack is created using a scribe wheel.7. The method of claim 1 , wherein heating the starter crack further comprises:providing a continuous wave or quasi-continuous wave laser that emits a light that is capable of being substantially absorbed by the substrate and is capable of causing thermal stress cracking to the substrate without causing softening of the substrate; andfocusing said light on the starter crack.8. The method of claim 1 , further comprising heating a portion of the substrate along a line beginning at the starter crack.9. The method of claim 8 , further comprising cooling the heated portion of the substrate claim 8 , wherein the cooling of a segment of the portion of the substrate begins between about 250 milliseconds and about 500 milliseconds ...

GLASS FILM CLEAVING METHOD AND GLASS FILM LAMINATE

A glass film cleaving method includes cleaving a full-body of a glass film having a thickness of 200 μm or less by propagating an initial crack along a preset cleaving line through heating of the glass film with a laser beam followed by subsequent cooling of the glass film. The method also includes manufacturing a glass film laminate by setting a surface roughness Ra of a surface of the glass film to contact a support glass, which supports the glass film, and a surface of the support glass to contact the glass film to 2.0 nm or less, and by bringing the surfaces of the glass film and the support glass into surface contact with each other, followed by the cleaving. 1. A glass film cleaving method , comprising:a full-body cleaving step of cleaving a full-body of a glass film having a thickness of 200 μm or less by propagating an initial crack along a preset cleaving line through laser heating of the glass film followed by subsequent cooling of the glass film; anda laminate manufacturing step of manufacturing a glass film laminate by setting a surface roughness Ra of each of a surface of the glass film to be brought into contact with a support glass, which is configured to support the glass film, and a surface of the support glass to be brought into contact with the glass film to 2.0 nm or less, and by bringing the surface of the glass film and the surface of the support glass into surface contact with each other, followed by the full-body cleaving step.2. The glass film cleaving method according to claim 1 , wherein the support glass comprises support glasses arranged so as to extend along the preset cleaving line.3. The glass film cleaving method according to claim 1 , wherein the preset cleaving line comprises:a first preset cleaving line extending in a first direction of the glass film; anda second preset cleaving line extending in a second direction orthogonal to the first direction.4. A glass film laminate claim 1 , comprising:a glass film having a thickness of ...

PREVENTING GAS FROM OCCUPYING A SPRAY NOZZLE USED IN A PROCESS OF SCORING A HOT GLASS SHEET

A spray nozzle is used in a process of quenching a hot glass sheet during a laser scoring process or other high energy glass heating process. The nozzle is located in proximity to the glass sheet, creating gas in the liquid used to quench the glass while in the nozzle. The gas is removed from the quenching liquid. Then, the spray nozzle is used to spray the quenching liquid onto the sheet at a location trailing laser scoring of the sheet. The spray nozzle has a purge opening and tubing leading to a discharge location, and can have a sloped passageway that pre-stages gas bubbles near the purge opening. The spray nozzle can include a cooling coil passing around the nozzle passageway to cool the quenching liquid passing through the nozzle, and increase the solubility of bubbles in the quenching liquid. 120.-. (canceled)21. A method for preventing gas from occupying a spray nozzle used in quenching a sheet of hot glass during a scoring process , comprising:providing a source of pressurized quenching liquid, a main liquid supply line leading from said pressurized quenching liquid source, a spray nozzle including a body having a nozzle passageway in communication with said main liquid supply line, and a tip connected to said nozzle body in communication with said nozzle passageway, said tip having an orifice adapted to release a jet of said quenching liquid, and a gas removal device adapted to remove gas from said quenching liquid;removing gas from said quenching liquid using said gas removal device to prevent said gas from occupying said spray nozzle;heating a surface of the glass sheet and then subsequently spraying a jet of said quenching liquid through said tip orifice onto said sheet during a scoring process without interruption in said jet to rapidly cool the glass surface and thereby generate a thermal tensile stress sufficient to generate a crack in the glass surface; andshutting off said jet of said quenching liquid without a substantial time delay once said ...

DEVICE AND METHOD FOR TRIMMING A FLOAT GLASS STRIP THAT HAS A NORMAL OR STRUCTURED SURFACE

The invention relates to a device and a method for trimming a float glass strip that has a normal or structured surface, comprising the following features: 113.-. (canceled)14. A device for cutting to length a float glass strip having a normal or structured surface , having the following features:{'b': 4', '7', '3', '5', '3', '5', '11, 'a) in each case a cutting carriage (, ) having a lower or an upper running rail (, ) for an undercut in the case of a structured surface, or an overcut in the case of a normal surface, wherein both running rails (, ) are arranged obliquely at an acute angle in relation to the conveying direction of the glass strip () and this inclination is adjustable,'}{'b': 8', '4, 'b) a number of counterpressure rollers () for the lower cutting carriage (),'}{'b': 6', '20', '21, 'c) a hold-down unit () having a fracture roller () and a front hold-down roller () for an undercut,'}{'b': 15', '14', '18, 'd) a hold-down unit () having a fracture roller () and a rear hold-down roller () for an overcut,'}{'b': 10', '11', '12', '11, 'e) units (, , ) for measuring the advancing speed of the glass strip () and its current length.'}1582111. The device as claimed in claim 14 , wherein the pressure wheels ( claim 14 , ) which come into contact with the structured surface of a glass strip () are configured in the manner of pneumatic vehicle tires claim 14 , the air pressure being automatically adjusted to the depth of the roughness of the structure.163511. The device as claimed in claim 14 , wherein the adjustment of the inclination of the running rails ( claim 14 , ) takes place depending on the advancing speed of the glass strip ().17614151111. The device as claimed in claim 14 , wherein the hold-down unit () and/or the fracture roller () and/or the hold-down unit () in each case have fine adjustments which depend on the glass thickness of the glass strip () and/or the composition of the molten glass and/or the type of structure of the surface of the glass ...

METHODS AND APPARATUS FOR INITIATING SCORING

Methods and apparatus are provided for forming an initiation flaw () in the surface () of a glass sheet or glass ribbon (). The initiation flaw () is used in connection with a laser light beam () and a cooling area produced by a cooling nozzle () to from a score line () in the surface () of the sheet or ribbon (). The initiation flaw () is formed by a mechanical scoring head () which is carried by moving carriage () and which undergoes retrograde motion () relative to the carriage () so as to increase the time available for forming the initiation flaw (). 113-. (canceled)14. Apparatus for forming an initiation flaw in a glass surface comprising:(a) a linear track having associated therewith an xyz coordinate system, the linear track lying in the xy plane of the coordinate system and intersecting the x-axis at a non-zero angle;(b) a carriage moveably mounted on the linear track so that motion of the carriage along the linear track comprises at least a component along the y-axis of the xyz coordinate system; and(c) a mechanical scoring head moveably mounted on the carriage so that motion of the mechanical scoring head relative to the carriage comprises (i) at least a component along the y-axis of the xyz coordinate system in a direction opposite to the direction of the component of the carriage's motion along that axis, and (ii) at least a component in the direction of the z-axis of the xyz coordinate system.15. The apparatus of wherein motion of the mechanical scoring head in the direction of the z-axis of the xyz coordinate system comprises claim 14 , in any order claim 14 , a first portion in the direction of the positive z-axis and a second portion in the direction of the negative z-axis.16. The apparatus of wherein the linear track intersects the y-axis of the xyz coordinate system at an angle so that motion of the carriage along the linear track comprises a component along the x-axis of the coordinate system.17. The apparatus of wherein the apparatus comprises:( ...

Cutting Device

A cutting device comprising: a protective cover (); a glass-loading inlet () located at a first side of the protective cover (); a main-frame spindle () located at a second side of the protective cover () and extending toward the inner of the protective cover (), the second side being provided opposite to the first side; and a cutting member () provided on the main-frame spindle (). Such a cutting device can achieve quick cutting upon glass within a clean space. 1. A cutting device , comprising:a protective cover;a glass-loading inlet located at a first side of the protective cover;a main-frame spindle located at a second side of the protective cover and extending toward the inner of the protective cover, the second side being provided opposite to the first side; and a cutting member provided on the main-frame spindle.2. The cutting device according to claim 1 , further comprising:a shaft-sliding rail located on a bottom surface of the protective cover, below the main-frame spindle and horizontal with respect or perpendicular to the main-frame spindle, and slidably connected with the main-frame spindle.3. The cutting device according to claim 1 , further comprising:a supersonic vibrating member provided on the main-frame spindle.4. The cutting device according to claim 1 , further comprising:a first cleaning member provided on the main-frame spindle.5. The cutting device according to claim 1 , further comprising:a second cleaning member located at a bottom surface of the protective cover and can reciprocally move on the bottom surface;wherein the first side of the protective cover has a cullet recovery port below the glass-loading inlet and at the same level as the cleaning part of the second cleaning member.6. The cutting device according to claim 1 , further comprising:a first sliding closure located at a top surface of the protective cover and slidably connected with the top surface; and/ora second sliding closure located outside the glass-loading inlet at the ...

METHOD FOR CUTTING PLATE-LIKE GLASS, AND CUTTING DEVICE THEREFOR

A full body of a glass sheet (G) is cut by forming an initial crack () on a preset cutting line () of the glass sheet (G) that is supported by a support member ( ()) from a back surface side of the glass sheet (G), followed by propagating the initial crack () while passing through the glass sheet from a front surface to the back surface thereof due to a stress generated through localized heating along the preset cutting line () and cooling of a heated region that is formed through the localized heating, the glass sheet (G) being supported by the support member ( ()) from the back surface side through an intermediation of an elastic sheet (E) having low thermal conductivity. 1. A method of cutting a glass sheet , the method comprising cutting a full body of the glass sheet by forming an initial crack on a preset cutting line of the glass sheet that is supported by a support member from a back surface side of the glass sheet , followed by propagating the initial crack while passing through the glass sheet from a front surface to the back surface thereof due to a stress generated through localized heating along the preset cutting line and cooling of a heated region that is formed through the localized heating ,the glass sheet being supported by the support member from the back surface side through an intermediation of an elastic sheet having low thermal conductivity.2. The method of cutting a glass sheet according to claim 1 , wherein the elastic sheet has lower thermal conductivity than the support member.3. The method of cutting a glass sheet according to claim 1 , wherein the elastic sheet comprises an organic sheet.4. The method of cutting a glass sheet according to claim 1 ,wherein the glass sheet comprises a band-like glass sheet to be delivered continuously,wherein the elastic sheet comprises a band-like elastic sheet to be delivered continuously together with the band-like glass sheet,wherein the preset cutting line extends along a delivery direction of the ...

METHOD AND APPARATUS FOR SEPARATION OF STRENGTHENED GLASS AND ARTICLES PRODUCED THEREBY

Methods and apparatus for separating substrates are disclosed, as are articles formed from the separated substrates. A method of separating a substrate having first and second surfaces includes directing a beam of laser light to pass through the first surface and, thereafter, to pass through the second surface. The beam of laser light has a beam waist located at a surface of the substrate or outside the substrate. Relative motion between the beam of laser light and the substrate is caused to scan a spot on a surface of the substrate to be scanned along a guide path. Portions of the substrate illuminated within the spot absorb light within the beam of laser light so that the substrate can be separated along the guide path. 1. A method , comprising:providing a substrate of strengthened glass; wherein the strengthened glass comprises thermally strengthened glass or chemically strengthened glass; wherein the strengthened glass has a first surface and a second surface opposite the first surface; wherein the strengthened glass includes a compression region extending from the first surface into an interior of the strengthened glass and a tension region adjacent to the compression region; wherein the compression region has a thickness of is greater than 10 μm and a compressive stress greater than 69 MPa;generating a beam of laser light;directing the beam of laser light along an optical path to pass through the first surface and to pass through the second surface after passing through the first surface, and focusing the beam of laser light to produce a beam waist at an elevation relative to the first or second surface, and wherein the beam of laser light has an intensity and a fluence in a spot at the first or second surface of the substrate sufficient to ablate a portion of the substrate;scanning the beam of laser light along a guide path to remove material from one of the first or second surface to form a guide trench extending along the guide path in the one of the first ...

EDGE CHAMFERING BY MECHANICALLY PROCESSING LASER CUT GLASS

Processes of chamfering and/or beveling an edge of a glass substrate of arbitrary shape using lasers are described herein. Two general methods to produce chamfers on glass substrates are the first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser that is followed by mechanical polishing with a compliant polishing wheel. 1. A method of processing a workpiece comprising the steps of:(i) focusing a pulsed laser beam into a laser beam focal line, viewed along the beam propagation direction;(ii) directing the laser beam focal line into the workpiece at a first angle of incidence to the workpiece, the first angle intersecting an edge of the workpiece, the laser beam focal line generating an induced absorption within the workpiece, the induced absorption producing a defect line along the laser beam focal line within the workpiece;(ii) translating the workpiece and the laser beam relative to each other, thereby laser drilling a plurality of defect lines along a first plane at the first angle within the workpiece, each of said defect lines having a diameter of not greater than 5 μm; and(iv) separating the workpiece along the plane to create a laser cut workpiece with at least one cut surface; and(v) processing the workpiece by polishing the cut surface of the laser cut workpiece with a polishing wheel, wherein the polishing wheel has a bulk modulus of elasticity of 0.1 GPa to 5 GPa.3. A method of laser processing a glass material comprising:focusing a pulsed laser beam into a laser beam focal line, viewed along the beam propagation direction; andlaser drilling a plurality of defect lines along each of N planes within the material by, for each of the N planes:directing the laser beam focal line into the material at a corresponding angle of incidence to the material, the laser beam focal line generating an induced absorption within the material, the induced absorption producing a defect line along the laser beam focal line ...

METHOD AND APPARATUS FOR CONTINUOUS PROCESSING OF A FLEXIBLE GLASS RIBBON

Disclosed herein are methods for continuous processing of a thin, flexible glass ribbon through various processing zones and maintaining a concave or substantially linear machine directional (MD) and/or cross-directional (CD) curvature of the flexible glass ribbon through at least two or more contiguous zones in the process. Apparatuses for the continuous processing of a thin, flexible glass ribbon while maintaining a desired MD and/or CD curvature are also disclosed herein. 1. A method of continuous processing of a flexible glass ribbon having a thickness of no more than 0.5 mm , the method comprising:continuously feeding the flexible glass ribbon from a first processing zone, through a second processing zone and to a third processing zone of a glass processing apparatus;supporting the flexible glass ribbon in a first catenary between a first pair of spaced-apart payoff positions in a first buffer zone located between the first processing zone and the second processing zone;supporting the flexible glass ribbon in a second catenary between a second pair of spaced-apart payoff positions in a second buffer zone located between the second processing zone and the third processing zone; andmaintaining a positive or infinite machine directional radius of curvature of the flexible glass ribbon during transition from at least one of (a) the first buffer zone to the second processing zone or (b) the second processing zone to the second buffer zone.2. The method of claim 1 , wherein the machine directional radius of curvature is positive in the first and second buffer zones and infinite in the second processing zone.3. The method of claim 1 , further comprising maintaining a positive cross-directional radius of curvature of the flexible glass ribbon during transition from at least one of (a) the first buffer zone to the second processing zone or (b) the second processing zone to the second buffer zone.4. The method of claim 1 , wherein a cross-directional radius of curvature ...

CUTTING METHOD AND CUTTING MACHINE TABLE FOR CUTTING SUBSTRATE

The present application discloses a cutting method and a cutting machine table for cutting a substrate, where the cutting method includes following steps: cutting a large substrate to be cut to obtain a finished substrate falling on a second cutting machine table; after the cutting, driving the second cutting machine table according to a preset parameter to enable a driving-away height difference to be formed between the second cutting machine table and the first cutting machine table; driving the second cutting machine table away from the first cutting machine table; and resetting the second cutting machine table to an initial state. 1. A cutting method for cutting a substrate , comprising steps of:placing a large substrate to be cut on a first cutting machine table and a second cutting machine table of a cutting machine table;adjusting a cutting apparatus to a cutting position of the substrate to be cut, and cutting the large substrate to be cut to obtain a finished substrate falling on the second cutting machine table;driving the second cutting machine table according to a preset parameter after the cutting to enable a driving-away height difference to be formed between the second cutting machine table and the first cutting machine table;driving the second cutting machine table away from the first cutting machine table to drive the finished substrate obtained by cutting away from the large substrate; andtransferring the finished substrate obtained by cutting to a specified position, and resetting the second cutting machine table to an initial state.2. The cutting method for cutting the substrate according to claim 1 , wherein the step of driving the second cutting machine table according to the preset parameter after the cutting to enable a driving-away height difference to be formed between the second cutting machine table and the first cutting machine table comprises:lifting an end of the second cutting machine table close to the first cutting machine table ...

METHODS FOR SEPARATING TRANSPARENT ARTICLES FROM A TRANSPARENT MOTHER SHEET USING AN OPEN ENDED PRESSURE ASSEMBLY

A method of separating a transparent mother sheet includes contacting a first surface of the transparent mother sheet with an open ended pressure assembly including a pressure vessel shell, thereby forming a shell cavity defined by the first surface of the transparent mother sheet and the pressure vessel shell, where the transparent mother sheet comprises a damage path. The method also includes removing gas from the shell cavity through a fluid removal outlet extending through the pressure vessel shell to reduce a cavity pressure in the shell cavity, thereby applying stress to the damage path to separate a portion of the transparent mother sheet along the damage path. 1. A method of separating a transparent mother sheet , the method comprising:contacting a first surface of the transparent mother sheet with an open ended pressure assembly comprising a pressure vessel shell, thereby forming a shell cavity defined by the first surface of the transparent mother sheet and the pressure vessel shell, wherein the transparent mother sheet comprises a damage path; andremoving gas from the shell cavity through a fluid removal outlet extending through the pressure vessel shell to reduce a cavity pressure in the shell cavity, thereby applying stress to the damage path to separate a portion of the transparent mother sheet along the damage path.2. The method of claim 1 , wherein the damage path is a closed damage path.3. The method of claim 1 , wherein the damage path extends from a first location on an edge of the transparent mother sheet to a second location on the edge of the transparent mother sheet.4. The method of claim 1 , wherein reducing the cavity pressure in the shell cavity flexes the transparent mother sheet thereby applying multi-axial stress to the damage path.5. The method of claim 1 , wherein:the pressure vessel shell comprises an outer surface, an inner surface, and an end surface; andthe fluid removal outlet extends from the outer surface to the inner surface.6. ...

METHOD OF MANUFACTURING GLASS INTERPOSER

In a method of manufacturing a glass interposer, first, stacked bodies formed on a front surface and a back surface of a glass substrate are processed along division lines (streets) to form first grooves having a first width and such a depth as not to reach the glass substrate, while leaving a residual resin portion at bottoms of the first grooves. Thereafter, the residual resin portion is subjected to ablation processing to expose the front surface and the back surface of the glass substrate, thereby forming second grooves having a second width narrower than the first width. A laser beam is applied along the division lines through the second grooves to form modified layers in the inside of the glass substrate, and an external force is exerted on the glass substrate to divide the glass substrate, with the modified layers as division starting points. 1. A method of manufacturing a glass interposer by dividing a glass substrate along a plurality of division lines set in a grid pattern into glass interposers of a reduced size , the glass substrate including a plurality of through electrodes penetrating a front surface and a back surface of the glass substrate , stacked bodies having wiring layers and resin layers alternately formed on the front surface and the back surface of the glass substrate , and the division lines , the method comprising:a first groove forming step of processing the stacked bodies, formed on the front surface and the back surface of the glass substrate, along the division lines to form first grooves having a first width and such a depth as not to reach the glass substrate, while leaving a residual resin portion at bottoms of the first grooves;a second groove forming step of applying a laser beam of such a wavelength as to be absorbed in the resin layer to the bottoms of the first grooves formed in the first groove forming step to perform ablation processing of the residual resin portion, thereby exposing the front surface and the back surface of ...

Methods and apparatus for fabricating and cutting flexible glass and polymer composite structures

Methods and apparatus provide for: sourcing an ultra-thin glass sheet having first and second opposing major surfaces and perimeter edges therebetween, the glass sheet having a thickness between the first and second surfaces of less than about 400 microns; adhering at least one polymer layer directly or indirectly to at least one of the first and second surfaces of the glass sheet to form a laminated structure; and cutting the laminated structure using at least one of the following techniques: shear cutting, burst cutting, slit cutting, and crush cutting.

GLASS-PLATE WORKING METHOD AND GLASS-PLATE WORKING APPARATUS

A glass-plate working apparatus includes a glass-plate supporting portion of a feed conveyor , a glass-plate supporting portion of a cutting section , a glass-plate supporting portion of a bend-breaking section , a glass-plate supporting portion of a grinding section , and a glass-plate supporting portion of a discharge conveyor ; a cutting head , a bend-breaking device , and a grinding head for processing glass plates which are respectively supported by the supporting portions , and ; and a transporting device for transporting the glass plate on the supporting portion onto the supporting portion , the glass plate on the supporting portion onto the supporting portion , the glass plate on the supporting portion onto the supporting portion , and the glass plate on the supporting portion onto the supporting portion , respectively. The transporting device is adapted to repeat reciprocating movement so as to sequentially transfer the glass plate onto each of the supporting portions , and each time the processing operation by processing means is completed. 1. A glass-plate working apparatus in which processing positions equipped with glass-plate supporting portions for supporting glass plates are arranged at intervals , and which has a transporting device for transferring the glass plates each from said glass-plate supporting portion at one processing position to said glass-plate supporting portion at another processing position , said transporting device including a moving base which reciprocates between a position above said glass-plate supporting portion at one of the processing positions and a position above said glass-plate supporting portion at another one of the processing positions and suction pads respectively mounted on said moving base in correspondence with said glass-plate supporting portion at each of the processing positions by means of a lifting device , each of the glass plates being adapted to be transported from one of the processing positions to ...

METHOD FOR CUTTING TO LENGTH A FLOAT GLASS STRIP HAVING A NORMAL OR STRUCTURED SURFACE

The invention relates to a device and a method for trimming a float glass strip that has a normal or structured surface, comprising the following features: a) a cutting slide having a lower running rail and a cutting slide having an upper running rail for a bottom cut for a structured surface or a top cut for a normal surface, wherein both running rails are arranged at an acute angle to the running direction of the glass strip and this angled position can be adjusted; b) a number of counter pressure rollers for the lower cutting slide c) a hold-down apparatus () having a breaking roller () and a front hold-down roller () for a bottom cut; d) a hold-down apparatus having a breaking roller () and a rear hold-down roller () for a top cut; e) apparatuses () for measuring the advance: speed of the glass strip () and the current length of the glass strip. 1. A method for cutting to length a float glass strip having a normal or structured surface , having the following features:{'b': 4', '7', '3', '5', '3', '5', '11, 'a) an installation for manufacturing normal float glass or float glass having a structured surface is equipped with in each case a cutting carriage (, ) having a lower or an upper running rail (, ) for an undercut in the case of a structured surface, or an overcut in the case of a normal surface, wherein both running rails (, ) are arranged obliquely at an acute angle in relation to the conveying direction of the glass strip () and this inclination is adjustable,'}{'b': 8', '4, 'b) a number of counterpressure roller () for the lower cutting carriage () are provided,'}{'b': 6', '20', '21, 'c) a hold-down unit () having a fracture roller () and a front hold-down roller () for an undercut is provided,'}{'b': 15', '14', '18, 'd) a hold-down unit () having a fracture roller () and a rear hold-down roller () for an overcut is provided,'}{'b': 10', '11', '12', '11, 'e) units (, , ) for measuring the advancing speed of the glass strip () and its current length are ...

APPARATUSES AND METHODS FOR LASER PROCESSING

A workpiece may be laser processed by a method that may include forming a contour line in the workpiece, and directing an infrared laser beam onto the workpiece along or near the contour line to separate the workpiece along the contour line. The contour line may include defects in the workpiece. The infrared laser beam may have a beam profile such that a greater distribution of cumulated energy from the infrared laser beam is located in areas adjacent to the contour line than directly on the contour line. 1. A method for laser processing a workpiece , the method comprising:forming a contour line in the workpiece, the contour line comprising defects in the workpiece; anddirecting an infrared laser beam onto the workpiece along or near the contour line to separate the workpiece along the contour line, wherein the infrared laser beam has an annular beam profile such that a greater distribution of cumulated energy from the infrared laser beam is located in areas adjacent to the contour line than directly on the contour line.2. The method of claim 1 , wherein an outer diameter of the annular beam profile is from about 0.5 mm to about 20 mm.3. The method of claim 2 , wherein an inner diameter of the annular beam profile is from about 5% to about 95% of the outer beam diameter.4. The method of claim 1 , wherein a greater distribution of cumulated energy from the infrared laser beam is located in areas adjacent to the contour line on both sides of the contour line than directly on the contour line.5. The method of claim 1 , wherein the infrared laser beam is centered on the contour line.6. The method of claim 1 , wherein the infrared laser beam is produced by a carbon dioxide laser claim 1 , a carbon monoxide laser claim 1 , a solid state laser claim 1 , a laser diode claim 1 , or combinations thereof.7. The method of claim 1 , wherein the workpiece comprises an alkaline earth boro-aluminosilicate glass claim 1 , sapphire claim 1 , fused silica claim 1 , or combinations ...

SEPARATION AND RELEASE OF LASER-PROCESSED BRITTLE MATERIAL

A method for separating and releasing a closed-form piece from a workpiece made of a brittle material is disclosed. A first pulsed laser-beam creates defects along the outline of the closed-form piece. A second laser-beam selectively heats the closed-form piece for a first time that is sufficient to initiate cracking between the defects. The heating is stopped for a period sufficiently long for the cracks to propagate completely between the defects. The second laser-beam is applied for a second time that causes melting and deformation of the closed-form piece. The deformation opens a gap between the closed-form piece and the rest of the workpiece, thereby allowing release of the closed-form piece. 1. A method for separating and releasing a closed-form piece from a workpiece made of a brittle material using a beam of laser-radiation , the method comprising:providing a workpiece having a plurality of defects along an outline of the closed-form piece created by laser processing;applying the beam of laser-radiation to the closed-form piece for a first duration, the beam of laser-radiation initiating cracking between the defects;pausing application of the beam of laser-radiation while the cracking propagates completely between the defects; andapplying the beam of laser-radiation for a second duration, the beam of laser-radiation heating at least a portion of the closed-form piece above the melting temperature of the brittle material, the melting causing deformation;wherein contraction of the deformed closed-form piece during cooling after the second duration opens a gap between the closed-form piece and the rest of the workpiece.2. The separating and releasing method of claim 1 , wherein the defects were created by laser filaments formed by focusing a beam of pulsed laser-radiation.3. The separating and releasing method of claim 1 , wherein the defects are in the form of voids.4. The separating and releasing method of claim 1 , wherein the beam of laser-radiation is ...

SUBSTRATE CUTTING SYSTEM

A substrate cutting system is provided. The substrate cutting system includes a cutting tank, an object stage, a cutter assembly, an injection pump and a drain pump; the injection pump is configured to inject water into the cutting tank, and the drain pump is configured to draw water out from the cutting tank. A flowable water environment is formed in the cutting tank by an action of the injection pump and the drain pump. The object stage is a movable base configured to transport a substrate to be cut to the water environment in the cutting tank. The cutter assembly is configured to cut the substrate. 1. A substrate cutting system , comprising: a cutting tank , an object stage , a cutter assembly , an injection pump and a drain pump; wherein the injection pump is configured to inject water into the cutting tank; the drain pump is configured to draw water from the cutting tank; a flowable water environment is formed in the cutting tank by an action of the injection pump and the drain pump; the object stage is a movable base and is configured to transport a substrate to be cut to the water environment in the cutting tank; and the cutter assembly is configured to cut the substrate.2. The substrate cutting system of claim 1 , wherein the injection pump is connected to the cutting tank through a first pipeline claim 1 , the drain pump is connected to the cutting tank through a second pipeline claim 1 , and the injection pump and the drain pump are connected through a third pipeline; the third pipeline is provided with a centrifugal separation tank claim 1 , and the centrifugal separation tank is provided with a discharge valve.3. The substrate cutting system of claim 2 , wherein the third pipeline is provided with a reservoir claim 2 , the reservoir is disposed between the centrifugal separation tank and the injection pump.4. The substrate cutting system of claim 3 , wherein the third pipeline is further provided with a filter claim 3 , the filter is disposed between the ...

METHODS OF CUTTING GLASS USING A LASER

A method of cutting a glass article includes translating a laser beam relative to a first surface of the glass article. The laser beam includes a beam waist having a center. The center of the beam waist of the laser beam is positioned at or below a second surface of the glass article. The laser beam creates a plurality of defects along a score line in the glass article such that the plurality of defects extends a distance into the glass article, and at least some individual defects of the plurality of defects are non-orthogonal to the first surface of the glass article and are biased in a direction of translation of the laser beam. Glass articles having edge defects are also disclosed. 115-. (canceled)17. The glass article of claim 16 , wherein the plurality of defects extends into a majority of the thickness t of the glass article.18. The glass article of claim 16 , wherein the glass article comprises an ion-exchanged glass article having a first strengthened surface layer and a second strengthened surface layer under a compressive stress and extending from a surface of the ion-exchanged glass article to a depth of layer claim 16 , and a central region between the first strengthened surface layer and the second strengthened surface layer that is under tensile stress.19. The glass article of claim 18 , wherein the distance that at least a portion of the plurality of defects extends into the glass article is greater than the depth of layer.20. The glass article of claim 18 , wherein the central region has a tensile stress between about 20 and about 30 megapascals claim 18 , and the plurality of defects extends about halfway into the thickness of the ion-exchanged glass article. The present application is a divisional of, and claims the benefit of priority to, U.S. patent application Ser. No. 13/836,717 filed on Mar. 15, 2013, which claims the benefit of priority of U.S. Patent Application Ser. No. 61/655,690 entitled “Methods of Cutting Glass Using a Nanosecond Laser ...

CUTTING MACHINE FOR CUTTING A GLASS SHEET

A sheet of glass is cut on a cutting machine having at least one support table of the sheet to be cut, an incision device for making at least one incision line on the sheet, and at least one thrust bridge for thrusting the sheet against the support table; the thrust bridge comprising a rigid cross member facing the support table and provided with at least one flexible hollow body integrally connected to the cross member in a position facing the support table; the hollow body delimiting at least one sealed chamber that can be pressurized by a pressurized fluid and extends for the whole length of the cross member. 21. Machine according to claim. , characterized by comprising a supply circuit for supplying a pressurized fluid into said sealed chamber; said supply circuit comprising pressure adjusting means to vary the pressure of said fluid inside said sealed chamber.325261516. Machine according to claim 1 , characterized by comprising a fixed frame claim 1 , and in that said rigid cross member ( claim 1 ,) is stably connected to said fixed frame at a fixed distance from said support table ( claim 1 ,).430. Machine according to claim 1 , characterized in that said flexible hollow body () is defined by a tube closed at opposite ends and delimiting said sealed chamber.5252615162526. Machine according to claim 4 , characterized in that said rigid cross member ( claim 4 ,) has an end surface claim 4 , facing towards said support table ( claim 4 ,) and parallel to said support table; said closed tube being arranged abutting against said end surface and defining an extension of said rigid cross member ( claim 4 ,) towards said support table.6. Machine according to claim 5 , characterized in that said closed tube has a circular cross-section that is constant along the whole length of the closed tube claim 5 , and a rectilinear generatrix.7. Machine according to claim 1 , characterized by comprising:a sheet incision fixed station,{'b': 15', '16, 'two of said support tables ...

METHOD AND APPARATUS FOR CONTINUOUSLY CUTTING GLASS

A method for cutting a thin glass including the steps of guiding, by a transport device, the thin glass ribbon over a levitation support, and directing, within a range of the levitation support, a laser beam onto the thin glass ribbon, which heats up the thin glass ribbon at an impingement point of the laser beam. The method also includes the step of blowing, by a cooling jet generator, a cooling fluid onto the track heated by the laser beam so that a region heated by the laser beam is cooled down and a mechanical stress is created. The cooling fluid contains vapor of a liquid at a saturation ratio of at least 0.5 or a plurality of liquid droplets. The liquid droplets form a contact angle on a surface of the thin glass ribbon which is smaller than that of water on the same surface. 1. A method for cutting a thin glass ribbon having a thickness of at most 400 μm along a longitudinal extension direction of the thin glass ribbon , for severing edge portions of the thin glass ribbon , the method comprising the steps of:guiding, by a transport device, the thin glass ribbon along the longitudinal extension direction thereof over a levitation support;directing, within a range of the levitation support, a laser beam onto the thin glass ribbon, which heats up the thin glass ribbon at an impingement point of the laser beam, and moving the thin glass ribbon in the longitudinal extension direction below the laser beam so that the laser beam draws a track running in the longitudinal extension direction of the thin glass ribbon; andblowing, by a cooling jet generator, a cooling fluid onto the track heated by the laser beam so that a region heated by the laser beam is cooled down and a mechanical stress is created which causes propagation of a stress crack separating the glass ribbon in the longitudinal direction along the track of the laser beam, wherein the cooling fluid contains vapor of a liquid at a saturation ratio of at least 0.5 or a plurality of liquid droplets, said ...

GLASS FILM RIBBON MANUFACTURING METHOD AND GLASS FILM RIBBON MANUFACTURING DEVICE

Provided is a glass film ribbon manufacturing device (), including: a transverse conveyance unit (), which is configured to convey a glass film ribbon (G) in a transverse direction; and a cleaving unit (), which is arranged on a conveyance path of the transverse conveyance unit (), and is configured to cleave the glass film ribbon (G) along a preset cleaving line extending in a longitudinal direction, the transverse conveyance unit () including a wrinkle-smoothing unit () configured to smooth a wrinkle generated in the glass film ribbon (G) before the glass film ribbon (G) is cleaved by the cleaving unit (). 114-. (canceled)15. A glass film ribbon manufacturing method , comprising:cleaving a glass film ribbon by a cleaving unit, which is arranged on a conveyance path of a transverse conveyance unit, along a preset cleaving line defining a boundary line between an unnecessary portion on at least one end side in a width direction of the glass film ribbon and an effective portion on a center side in the width direction of the glass film ribbon while conveying the glass film ribbon in a transverse direction by the transverse conveyance unit; andsupporting, after the cleaving the glass film ribbon by the cleaving unit, the unnecessary portion by an unnecessary portion supporting part having a gap in the width direction from the effective portion.16. The glass film ribbon manufacturing method according to claim 15 ,wherein the unnecessary portion has a selvage portion that is thicker than the effective portion, andwherein the unnecessary portion supporting part is configured to support the unnecessary portion in a state in which the selvage portion protrudes to an outer side in the width direction.17. The glass film ribbon manufacturing method according to claim 15 , wherein the unnecessary portion supporting part is configured to support a position closer to the outer side in the width direction of the unnecessary portion.18. The glass film ribbon manufacturing method ...

METHOD OF CUTTING OUT GLASS PLATE AND POSITIONING CUT-OUT GLASS PLATE AND APPARATUS THEREOF

A cut-out glass plate positioning apparatus includes: a cut line forming device provided in a cut line forming position ; a bend-breaking and separating device for cutting out unworked plate glasses from an unworked plate glass along the cut lines ; a pair of position and angle correcting devices for effecting correction of the position and angle with respect to the unworked plate glass ; a pair of sucking and transporting devices for suckingly lifting and transporting the unworked plate glass to each position and angle correcting device ; and two CCD cameras respectively installed above the position and angle correcting devices 1. A method of cutting out a glass plate and positioning the cut-out glass plate , comprising the steps of:forming cut lines on an unworked plate glass with a preset work coordinate system in a cut line forming position with respect to the unworked plate glass;applying an alignment mark onto at least two locations set in advance in the work coordinate system on each of a plurality of glass plates to be cut out from the unworked plate glass, before forming the plurality of cut-out glass plates cut out from the unworked plate glass along the cut lines;detecting the position of an actual alignment mark on the cut-out glass plate by performing imaging and image processing of the alignment mark with a camera installed by setting as a reference position a coordinate value of the alignment mark set in the work coordinate system, in a positioning position for positioning the glass plate with the alignment mark applied thereto and cut out;calculating an amount of positional deviation between the position of the actual alignment mark and the reference position; andcorrecting a position and an angle of the cut-out glass plate on the basis of the amount of positional deviation.2. A method of cutting out a glass plate and positioning the cut-out glass plate , comprising the steps of:forming cut lines on an unworked plate glass with a scribe head by ...

GLASS SHEET SEPARATING DEVICE

A scoreless separation device and method are described herein for separating a glass sheet without needing to score the glass sheet. In one embodiment, the device shears a stationary glass sheet without needing to score the glass sheet. In another embodiment, the device shears a moving glass sheet to remove outer edges from the moving glass sheet without needing to score the moving glass sheet. 145-. (canceled)46. A method for producing a glass sheet , said method comprising the steps of:causing the glass sheet to travel in a traveling direction;separating the glass sheet which is moving using a scoreless separation device which comprises a separation mechanism that generates a stress profile within the moving glass sheet that produces a crack in a predefined location within the moving glass sheet to shear off an edge of the moving glass sheet;breaking and collecting the edge, which is performed after the edge has been sheared off of the moving glass sheet;constraining the edge after it has been sheared off of the moving glass sheet and before it is broken and collected; andwinding the remaining portion of the moving glass sheet onto a take-up roller.47. The method of claim 46 , wherein the separation device further comprises a crack initiator that interfaces at the predefined location of the moving glass sheet to initiate the crack which is formed and then propagated along a desired path within the moving glass sheet.48. The method of claim 46 , wherein constraining the sheared-off edge comprises directing the sheared-off edge between at least one pair of air bearings.49. The method of claim 46 , wherein constraining the sheared-off edge comprises directing the sheared-off edge between at least one pair of rollers.50. The method of claim 46 , wherein before the step of causing the sheet to travel in a traveling direction claim 46 , there are performed the steps of:melting batch materials to form molten glass and processing the molten glass to form the glass sheet; ...

GLASS SHEET SEPARATING DEVICE

A scoreless separation device and method are described herein for separating a glass sheet without needing to score the glass sheet. In one embodiment, the device shears a stationary glass sheet without needing to score the glass sheet. In another embodiment, the device shears a moving glass sheet to remove outer edges from the moving glass sheet without needing to score the moving glass sheet. 145-. (canceled)46. A method for producing a glass sheet , said method comprising the steps of:causing the glass sheet to travel in a traveling direction;separating the glass sheet which is moving using a scoreless separation device which comprises a separation mechanism that generates a stress profile within the moving glass sheet that produces a crack in a predefined location within the moving glass sheet to shear off an edge of the moving glass sheet;wherein after the edge has been sheared off of the moving glass sheet, a remaining portion of the moving glass sheet is curved away from the traveling direction to a greater extent than is the sheared-off edge; andwinding the remaining portion of the moving glass sheet onto a take-up roller.47. The method of claim 46 , wherein the separation device further comprises a crack initiator that interfaces at the predefined location of the moving glass sheet to initiate the crack which is formed and then propagated along a desired path within the moving glass sheet.48. The method of claim 46 , wherein the separation device further comprises at least one pair of air bearings that direct the sheared-off edge.49. The method of claim 46 , wherein the separation device further comprises at least one pair of rollers that direct the sheared-off edge.50. The method of claim 46 , wherein before the step of causing the sheet to travel in a traveling direction claim 46 , there are performed the steps of:melting batch materials to form molten glass and processing the molten glass to form the glass sheet; anddrawing the glass sheet.51. The method ...

MANUFACTURING METHOD OF PLATE-SHAPED OBJECT

A manufacturing method of a plate-shaped object includes a shield tunnel forming step of forming plural shield tunnels in a plate-shaped workpiece formed of a hard material and an etching step of etching the shield tunnels by an etchant. The plate-shaped object is capable of being bent by an external force. In the shield tunnel forming step, plural shield tunnels are formed in a first shield tunnel region having a first length along a line-shaped first processing-planned region set on one surface of the workpiece, and plural shield tunnels are formed in a second shield tunnel region having a second length along a line-shaped second processing-planned region that is different from a region on an extension line of the first processing-planned region and is adjacent to the first processing-planned region on the one surface. 1. A manufacturing method of a plate-shaped object in which the plate-shaped object capable of being bent by an external force is manufactured by processing a plate-shaped workpiece formed of a hard material by a pulsed laser beam having such a wavelength as to be transmitted through the workpiece , the manufacturing method comprising:a shield tunnel forming step of forming, in the workpiece, a plurality of shield tunnels each including a pore formed along a thickness direction of the workpiece and a modified region that surrounds a lateral side of the pore, by irradiating the workpiece with the laser beam in a state in which a focal point of the laser beam is positioned to an inside of the workpiece; andan etching step of etching the plurality of shield tunnels by an etchant, a plurality of shield tunnels are formed in a first shield tunnel region that has a first length along a line-shaped first processing-planned region set on one surface of the workpiece, and', 'a plurality of shield tunnels are formed in a second shield tunnel region that has a second length along a line-shaped second processing-planned region set in a region that is different ...

APPARATUSES AND METHODS FOR SYNCHRONOUS MULTI-LASER PROCESSING OF TRANSPARENT WORKPIECES

A method for laser processing a transparent workpiece includes focusing a pulsed laser beam output by a pulsed laser beam source into a pulsed laser beam focal line directed into the transparent workpiece, thereby forming a pulsed laser beam spot on the transparent workpiece and producing a defect within the transparent workpiece, directing an infrared laser beam output onto the transparent workpiece to form an annular infrared beam spot that circumscribes the pulsed laser beam spot at the imaging surface and heats the transparent workpiece. Further, the method includes translating the transparent workpiece and the pulsed laser beam focal line relative to each other along a separation path and translating the transparent workpiece and the annular infrared beam spot relative to each other along the separation path synchronous with the translation of the transparent workpiece and the pulsed laser beam focal line relative to each other. 1. A method for laser processing a transparent workpiece , the method comprising: the pulsed laser beam focal line generates an induced absorption within the transparent workpiece; and', 'the induced absorption produces a defect along the pulsed laser beam focal line within the transparent workpiece;, 'focusing a pulsed laser beam output by a pulsed laser beam source into a pulsed laser beam focal line oriented along a beam propagation direction and directed into the transparent workpiece, thereby forming a pulsed laser beam spot on an imaging surface of the transparent workpiece, wherein the annular infrared beam spot circumscribes the pulsed laser beam spot at the imaging surface; and', 'the infrared laser beam heats the transparent workpiece;, 'directing an infrared laser beam output by an infrared beam source onto the transparent workpiece such that the infrared laser beam forms an annular infrared beam spot on the imaging surface, whereintranslating the transparent workpiece and the pulsed laser beam focal line relative to each ...

METHODS AND APPARATUS FOR EDGE SURFACE INSPECTION OF A MOVING GLASS WEB

Methods and apparatus provide for sourcing a glass web, the glass web having a length and a width transverse to the length; moving the glass web from the source to a destination in a transport direction along the length of the glass web; cutting the glass web, at a cutting zone, along the length of the glass web into at least first and second glass ribbons as the glass web is moved in the transport direction from the source to the destination, such that respective first and second edge surfaces are produced on the first and second glass ribbons; and optically inspecting at least one of the first and second edge surfaces in real-time as the first and second glass ribbons of the glass web are moved in the transport direction to the destination. 1. A method , comprising:moving a glass web comprising a length and a width transverse to the length from a source to a destination in a transport direction along the length of the glass web;cutting the glass web, at a cutting zone, along the length of the glass web into at least first and second glass ribbons as the glass web is moved in the transport direction from the source to the destination such that respective first and second edge surfaces are produced on the first and second glass ribbons; andoptically inspecting at least one of the first and second edge surfaces in real-time as the first and second glass ribbons are moved in the transport direction to the destination,wherein the inspecting step includes: (i) taking at least one image of the at least one of the first and second edge surfaces as the first and second glass ribbons are moved in the transport direction, (ii) extracting one or more features of the at least one of the first and second edge surfaces from the at least one image, and (iii) detecting one or more defects, and identifying one or more types of the one or more defects based on the one or more extracted features.2. The method of claim 1 , wherein the inspecting step includes:directing incident light ...

ARTICLES HAVING EDGES WITH COMPRESSIVE RESIDUAL STRESS AND METHODS OF FORMING THE SAME

Articles with at least one finished edge and methods and systems for forming the same are disclosed. A method of forming a glass article having at least one finished edge includes heating a substrate to a preparation temperature, the substrate having at least one unfinished edge, applying a laser to the at least one unfinished edge of the substrate, the laser causing a temperature of the at least one unfinished edge to increase from the preparation temperature to a finishing temperature, and reducing a power of the laser over a time period of at least about 10 seconds until the laser is deactivated, resulting in the glass article comprising the at least one finished edge. 1. A method of forming a glass article comprising at least one finished edge , the method comprising:heating a substrate to a preparation temperature, the substrate comprising at least one unfinished edge;applying a laser to the at least one unfinished edge of the substrate, the laser causing a temperature of the at least one unfinished edge to increase from the preparation temperature to a finishing temperature; andreducing a power of the laser over a time period of at least about 10 seconds until the laser is deactivated, resulting in the glass article comprising the at least one finished edge.2. The method of claim 1 , further comprising:scoring and breaking the glass article comprising the at least one finished edge.3. The method of claim 1 , wherein the finishing temperature is from about 1000° C. to about 1500° C.4. The method of claim 1 , wherein heating the substrate to the preparation temperature comprises placing the substrate over one or more infrared heaters until the substrate has reached an average surface temperature from about 450° C. to about 800° C.5. The method of claim 1 , further comprising:measuring an average surface temperature of the substrate with a thermal camera; anddetermining that the average surface temperature is equal to the preparation temperature prior to applying ...

METHODS AND APPARATUS FOR CUTTING RADII IN FLEXIBLE THIN GLASS

Methods and apparatus provide for: cutting a thin glass sheet along a curved cutting line, where the curve is divided into a plurality of line segments; applying a laser beam and continuously moving the laser beam along the cutting line; applying a cooling fluid simultaneously with the application of the laser beam in order to propagate a fracture in the glass sheet along the cutting line; and varying one or more cutting parameters as the laser beam moves from one of the plurality of line segments to a next one of the plurality of line segments, wherein the one or more cutting parameters include at least one of: (i) a power of the laser beam, (ii) a speed of the movement, (iii) a pressure of the cooling fluid, and (iv) a flow rate of the cooling fluid. 1. A method , comprising:supporting a source glass sheet of about 0.2 mm or less in thickness;defining a cutting line having at least one non-straight portion of a radius of less than about 20 mm, where the cutting line defines a desired shape of a glass substrate;dividing the non-straight portion of the cutting line into a plurality of sequential line segments;initiating a flaw in the glass sheet;applying a laser beam to the glass sheet starting at the flaw and continuously moving the laser beam and the glass sheet relative to one another along the cutting line to elevate a temperature of the glass sheet at the cutting line;applying a cooling fluid simultaneously with the application of the laser beam, such that the cooling fluid at least reduces the temperature of the glass sheet in order to propagate a fracture in the glass sheet along the cutting line;varying one or more cutting parameters as the laser beam moves from one of the plurality of line segments to a next one of the plurality of line segments, wherein the one or more cutting parameters include at least one of: (i) a power of the laser beam, (ii) a speed of the movement, (iii) a pressure of the cooling fluid, and (iv) a flow rate of the cooling fluid; ...

METHOD AND DEVICE FOR PRODUCING EDGE CUTOUTS IN SHEET GLASS

To produce an edge cutout, in the shape of a segment of a circle in a glass pane, a cutting tool having a small cutting wheel is used to produce a circular arc-shaped score line, whose ends lie at the edge of the glass pane. By applying pressure to the region defined by the score line from the face having the score line and by counter-pressure from the opposite face, the part of the glass pane defined by the edge and the score line is separated from the glass pane. A device for carrying out the method, includes the small cutting wheel on a support and a head movable into an operative position to break out the portion in the shape of a segment of a circle, and a punch that can be extended from a support for the glass pane and engages on the face opposite the score line. 1323. Method for producing cutouts () that are open toward the edge in a glass pane () , the cutout () having especially the shape of a segment of a circle , characterized by the following steps:{'b': 2', '1, 'fixing the glass pane () on a support surface (),'}{'b': 16', '2', '2, 'producing a curved, especially an arc-shaped, score line (), whose ends lie on a segment of the edge of the glass pane () that is located between two adjacent corners of the glass pane (),'}{'b': 2', '3', '16', '2', '16', '2, 'breaking out of the glass pane () a part that yields the cutout () and that is bordered by the score line () and the segment of the edge of the glass pane () that lies between the ends of the score line (), and removing the broken-out part of the glass pane ().'}21622. Method according to claim 1 , wherein a score line () is produced whose ends lie on a segment of the edge of the glass pane () that is located between two adjacent corners of the glass pane ().316. Method according to claim 2 , wherein a curved claim 2 , especially an arc-shaped claim 2 , score line () is produced.42316163216. Method according to claim 1 , wherein pressure is applied to the glass pane () to break out the part yielding ...

METHOD OF SEPARATING A GLASS SHEET FROM A CARRIER

A method of separating a thin glass substrate from a carrier plate to which edge portions of the glass substrate are bonded, including irradiating a surface of the glass substrate with a pulsed laser beam, the laser beam moving along a plurality of parallel scan paths within a raster envelope, producing relative motion between the raster envelope and the glass substrate so that the raster envelope is moved along an irradiation path on the unbonded central portion. The irradiating produces ablation of the glass substrate along the irradiation path that forms a channel having a width Wat the first surface greater than a width Wat the second surface and extending through the thickness of the glass substrate, thus separating a thin glass sheet from the glass substrate-carrier plate assembly. 1. A method of separating a glass sheet from a carrier plate comprising:providing an assembly comprising a glass substrate and a carrier plate, the glass substrate having a first surface, a second surface and a thickness therebetween, the glass substrate further comprising an edge portion and a central portion, the second surface of the glass substrate at the edge portion being bonded to the carrier plate and wherein the second surface of the glass substrate at the central portion is not bonded to the carrier plate;irradiating the first surface of the glass substrate along an irradiation path over the unbonded central portion with a pulsed laser beam, the irradiating producing an ablation of the glass substrate along the irradiation path that forms a channel extending through the thickness of the glass substrate that separates the central portion from the edge portion, the channel having a first width at the first surface greater than a second width at the second surface;removing at least a portion of the central portion of the glass substrate from the assembly to produce a glass sheet; andwherein the edge portion of the glass substrate remains bonded to the carrier plate during the ...

METHODS AND OPTICAL ASSEMBLIES FOR HIGH ANGLE LASER PROCESSING OF TRANSPARENT WORKPIECES

A method for processing a transparent workpiece includes directing a laser beam oriented along a beam pathway through an aspheric optical element and the transparent workpiece. The laser beam impinges the aspheric optical element radially offset from a centerline axis of the aspheric optical element by an offset distance of 30% the 1/ediameter of the laser beam or greater. The beam pathway and the transparent workpiece are tilted relative to one another such that the beam pathway has a beam pathway angle of less than 90° relative to an impingement surface at the impingement surface and a portion of the laser beam directed into the transparent workpiece is a laser beam focal line having an internal focal line angle of less than 80° relative to the impingement surface, such that a defect with a defect angle of less than 80° is formed by induced absorption within the transparent workpiece. 2. The method of claim 1 , wherein the laser beam impinges the aspheric optical element radially offset from the centerline axis of the aspheric optical element by an offset distance of 75% the 1/ediameter of the laser beam or greater.3. The method of claim 1 , wherein a portion of the laser beam comprising a majority of intensity of the laser beam impinges the impingement surface at one or more ray propagation angles each more than the beam pathway angle.4. The method of claim 1 , wherein the internal focal line angle is from less than 80° to 50°.5. The method of claim 1 , further comprising translating at least one of the transparent workpiece and the laser beam relative to each other along a contour line to form a contour comprising a plurality of defects.6. The method of claim 5 , wherein the laser beam focal line extends from the impingement surface of the transparent workpiece to an edge surface of the transparent workpiece such that the plurality of defects each extend from the impingement surface of the transparent workpiece to the edge surface of the transparent workpiece.7. ...

MULTI-LASER SYSTEM AND METHOD FOR CUTTING AND POST-CUT PROCESSING HARD DIELECTRIC MATERIALS

Laser processing of hard dielectric materials may include cutting a part from a hard dielectric material using a continuous wave laser operating in a quasi-continuous wave (QCW) mode to emit consecutive laser light pulses in a wavelength range of about 1060 nm to 1070 nm. Cutting using a QCW laser may be performed with a lower duty cycle (e.g., between about 1% and 15%) and in an inert gas atmosphere such as nitrogen, argon or helium. Laser processing of hard dielectric materials may further include post-cut processing the cut edges of the part cut from the dielectric material, for example, by beveling and/or polishing the edges to reduce edge defects. The post-cut processing may be performed using a laser beam with different laser parameters than the beam used for cutting, for example, by using a shorter wavelength (e.g., 193 nm excimer laser) and/or a shorter pulse width (e.g., picosecond laser). 1. A method for laser cutting and post-cut processing a part from a hard dielectric material , the method comprising:cutting at least one part from a hard dielectric material using at least a first laser beam, wherein the first laser beam is emitted from a continuous wave laser operating in a quasi-continuous wave (“QCW”) mode so as to emit consecutive pulses of laser light at a wavelength ranging between about 1060 nm and about 1070 nm; andpost-cut processing cut edges of the at least one part using at least a second laser beam to bevel and/or polish the cut edges of the at least one part such that edge defects are reduced.2. The method of wherein the second laser beam is emitted from the continuous wave laser operating in the QCW mode.3. The method of wherein the second laser beam forms an angle of incidence relative to a surface of the cut part claim 1 , wherein the angle of incidence is greater than 0°.4. The method of wherein the second laser beam forms an angle of incidence relative to a surface of the cut part claim 1 , wherein the angle of incidence is in the ...

LASER CUTTING AND PROCESSING OF DISPLAY GLASS COMPOSITIONS

The present invention relates to a laser cutting technology for cutting and separating thin substrates of transparent materials, for example to cutting of display glass compositions mainly used for production of Thin Film Transistors (TFT) devices. The described laser process can be used to make straight cuts, for example at a speed of >0.25 m/sec, to cut sharp radii outer corners (<1 mm), and to create arbitrary curved shapes including forming interior holes and slots. A method of laser processing an alkaline earth boro-aluminosilicate glass composite workpiece includes focusing a pulsed laser beam into a focal line. The pulsed laser produces pulse bursts with 5-20 pulses per pulse burst and pulse burst energy of 300-600 micro Joules per burst. The focal line is directed into the glass composite workpiece, generating induced absorption within the material. The workpiece and the laser beam are translated relative to each other to form a plurality of defect lines along a contour, with adjacent defect lines have a spacing of 5-15 microns. 1. A method of laser processing glass workpiece , the method comprising:focusing a pulsed laser beam into a laser beam focal line oriented along the beam propagation direction and directed into the glass workpiece, the laser beam focal line generating an induced absorption within the material, and the induced absorption producing a defect line along the laser beam focal line within the workpiece; andtranslating the glass workpiece and the laser beam relative to each other along a first contour, thereby laser forming a plurality of defect lines along the first contour within the workpiece, wherein a spacing between adjacent defect lines is between 5 micron and 15 microns; and wherein the pulsed laser produces pulse bursts with 5-20 pulses per pulse burst, with pulse burst energy of 300-600 micro Joules per pulse burst.2. A method of laser processing an alkaline earth boro-aluminosilicate glass composite workpiece , the method ...

GLASS PLATE WORKING METHOD AND WORKING APPARATUS

In a glass plate working apparatus a carrying-in position a scribing position a removing position a grinding position and a discharging position are arranged at equal intervals linearly along a transporting direction, and a transporting device for transporting glass plates is additionally provided. 1. A glass plate working method comprising the steps of:forming on one surface of a glass plate a scribe groove constituted by a closed curve with a cutter wheel, the scribe groove being directed in a thickness direction of the glass plate in such a manner as to be inclined toward an inner region of the closed curve; andlifting an inner region of the glass plate inside the closed curve from another surface of the glass plate in a state in which an outer region of the glass plate outside the closed curve is pressed from one surface of the glass plate with the scribe groove formed thereon, to bend the glass plate in a convex shape toward a side of the one surface so as to cause the scribe groove to proceed toward the other surface facing to the one surface of the glass plate, and removing the inner region of the glass plate inside the closed curve from the outer region of the glass plate outside the closed curve.2. The glass plate working method according to claim 1 , wherein the scribe groove is caused to reach the other surface by allowing the scribe groove to proceed by bending the glass plate in a convex shape.3. The glass plate working method according to claim 1 , wherein the lifting of the glass plate is effected by NC control.4. A glass plate working apparatus comprising:a scribing position for forming on one surface of a glass plate a scribe groove constituted by a closed curve with a cutter wheel, the scribe groove being directed in a thickness direction of the glass plate in such a manner as to be inclined toward an inner region of the closed curve; anda removing position for lifting an inner region of the glass plate inside the closed curve from another surface ...

DEVICE FOR PRESS-CUTTING GLASS, METHOD FOR PRESS-CUTTING GLASS, AND GLASS-CUTTING SYSTEM

Provided are a device for press-cutting glass, a method for press-cutting glass, and a glass-cutting system having the device for press-cutting glass. The device for press-cutting glass comprises a supporting member, having a first supporting portion and a second supporting portion for supporting a glass substrate, which are arranged in a spaced apart manner in a first direction; and a press-cutting member for press-cutting an edge of the glass substrate, which is positioned between the first supporting portion and the second supporting portion in the first direction. The device for press-cutting glass has advantages including high press-cutting efficiency, simple structure, low manufacturing cost, and easy assembling with other devices. 1. A device for press-cutting glass , comprising:a supporting member, having a first supporting portion and a second supporting portion for supporting a glass substrate, wherein the first supporting portion and the second supporting portion are arranged spaced apart in a first direction; anda press-cutting member for press-cutting the edge of the glass substrate, the press-cutting member is positioned between the first supporting portion and the second supporting portion in the first direction.2. The device for press-cutting glass according to claim 1 , further comprising a stop member for stopping the glass substrate from turning over claim 1 , wherein the stop member has a first stop portion and a second stop portion for stopping the glass substrate claim 1 , the first stop portion and the second stop portion are arranged spaced apart in a first direction claim 1 , and the first supporting portion and the second supporting portion are located between the first stop portion and the second stop portion in the first direction.3. The device for press-cutting glass according to claim 2 , wherein claim 2 , the first stop portion is a first sucking disk claim 2 , and the second stop portion is a second sucking disk.4. The device for ...

Separation apparatuses and methods for separating glass sheets from glass ribbons

Apparatuses and methods are described for separating glass sheets from glass ribbons. In one embodiment, a glass substrate separation apparatus comprises a support nosing. The support nosing comprises a nosing material having a Shore hardness greater than 64A and less than or equal to 80A and a coefficient of friction less than or equal to 1.2 relative to a glass substrate. The apparatus also comprises a scoring device opposing the support nosing and an actuator coupled to the support nosing for engaging the support nosing with the glass substrate.

MITIGATING LOW SURFACE QUALITY

Methods and apparatuses are disclosed for laser processing. A method includes providing a laser beam transparent to a workpiece. A cover, having a surface quality better than the workpiece's surface, is provided and spaced apart from the workpiece's surface. A fluid is provided between and in contact with the cover and the workpiece's surface. A laser beam is directed through the cover and fluid to the workpiece. An apparatus includes a cover spaced apart from a workpiece's surface and including a surface quality better than the workpiece's surface, a fluid dispenser for introducing fluid between and in contact with the cover and the workpiece's surface, and a laser system that directs a laser beam through the cover and fluid to the workpiece. 1. A method of laser processing a workpiece having a workpiece surface , the method comprising:providing a laser beam, wherein the laser beam has a wavelength at which the workpiece is transparent;providing a cover spaced apart from the workpiece surface, wherein the cover has a surface proximal to the workpiece surface and a surface distal to the workpiece surface, and wherein the distal surface of the cover has a surface quality better than a surface quality of the workpiece surface;providing a fluid between and in contact with the proximal surface of the cover and the workpiece surface; anddirecting the laser beam through the cover, through the fluid, and through the workpiece surface.2. The method of claim 1 , wherein directing the laser beam comprises focusing the laser beam and forming a defect in the workpiece.3. The method of claim 1 , wherein the fluid has a refractive index matching the refractive index of the workpiece.4. The method of claim 1 , wherein the fluid has a refractive index that is between a refractive index of the workpiece and a refractive index of the cover.5. The method of claim 1 , wherein the distal surface of the cover has a lower surface roughness than a surface roughness of the workpiece surface ...

Device and method for cutting through workpieces of mechanically brittle and non-metallic moving at a speed

A device for cutting through workpieces of mechanically brittle and non-metallic material moving at a speed along a separation line after scoring is provided. The device includes a tool holder that is rotatable about an axis of rotation. The tool holder accommodates at least one cutting wire as a cutting tool to introduce a surface rupture or a crack into the workpiece. The cutting wire is disposed in the tool holder in such a manner that the surface rupture or the crack is introduced substantially perpendicular to a feed direction of the workpiece moving at a speed.

METHODS AND APPARATUS FOR FABRICATING RESPECTIVE SECTIONS FROM A GLASS WEB

Methods and apparatus provide for: conveying a glass web from a source toward a destination in a transport direction; scoring the glass web in a width direction thereof to product a score line having a plurality of separated score segments, thereby defining a section of the glass web between the score line and leading edge of the glass web; supporting the glass web such that an increasing portion of the section of the glass web becomes cantilevered as the glass web is conveyed such that the portion of the section of the glass web is sufficiently large to generate stress in the respective score segments and drive respective cracks through the thickness of the glass web; and permitting the section of the glass web to separate from the glass web along the score line. 1. A method of separating a glass web , the glass web having a length , a width that is transverse to the length , and a thickness , the method comprising:(a) scoring the glass web in a direction of the width thereof to produce a score line having a plurality of separated score segments, thereby defining a section of the glass web between the score line and a leading edge of the glass web;(b) conveying the glass web from the scoring toward a destination in a transport direction parallel to the length of the glass web to a bending zone;(c) supporting the glass web, at the bending zone, such that an increasing portion of the section of the glass web becomes cantilevered as the glass web is conveyed and the portion of the section of the glass web is permitted to droop under gravity, and continuing the conveying such that the portion of the section of the glass web is sufficiently large to generate stress in the respective separated score segments and drive respective cracks through the thickness of the glass web;(d) permitting the section of the glass web to separate from the glass web along the score line; and(e) repeating steps (a) through (e) to produce a plurality of sections of glass web.2. The method of ...

METHOD FOR CUTTING TOUGHENED GLASS PLATE

A method for cutting a strengthened glass sheet according to a first embodiment of the present invention includes: a step of collecting and scanning laser light in an intermediate layer, thereby forming a first reformed region along a first cutting-scheduled line; and a step of applying an external force to propagate a crack from the first reformed region as a start point in a thickness direction of the strengthened glass sheet, thereby dividing the strengthened glass sheet. In the step of forming the first reformed region, a width d1 (mm) of the first reformed region in the thickness direction is set to d1<2×10×K/{π×(CT)} based on a fracture toughness K(MPa·√m) of the strengthened glass sheet and the tensile stress CT (MPa) remaining in the intermediate layer. 1. A method for cutting a strengthened glass sheet comprising a front surface layer in which a compressive stress remains and a back surface layer in which a compressive stress remains , and an intermediate layer formed between the front surface layer and the back surface layer in which a tensile stress remains , the method comprising:a step of collecting and scanning laser light in the intermediate layer, thereby forming a first reformed region along a first cutting-scheduled line; anda step of applying an external force to propagate a crack from the first reformed region as a start point in a thickness direction of the strengthened glass sheet, thereby dividing the strengthened glass sheet,wherein, in the step of forming the first reformed region,{'sub': c', 'c, 'sup': 3', '2', '2, 'in a case where a fracture toughness of the strengthened glass sheet is represented by K(MPa·√m), the tensile stress remaining in the intermediate layer is represented by CT (MPa), and a width of the first reformed region in the thickness direction is represented by d1 (mm), a value of d1 is set to be smaller than 2×10×K/{π×(CT)}.'}2. The method for cutting a strengthened glass sheet according to claim 1 , wherein claim 1 , in ...

PANEL CUTTING APPARATUS

A panel cutting apparatus includes a master cutting apparatus. The master cutting apparatus includes a casing, wheels, a first servo motor, a second servo motor, a processing unit, an image sensing unit and an integrated jig unit. The wheels are disposed on the bottom surface of the casing, and its rotation is controlled by the second servo motor. The image sensing unit is electrically connected to the processing unit and disposed at the front end of the lateral surface of the casing to sense images in front of the panel cutting apparatus. The processing unit controls the second servo motor according to the sensed images. The integrated jig unit is disposed on the top surface of the casing and includes jigs and a jig changing unit. The jig changing unit switches between the jigs and selects one of them. The selected jig is controlled by the first servo motor. 1. A panel cutting apparatus , comprising: a first casing having therein a first servo motor, a second servo motor and a first processing unit, wherein the first processing unit is electrically connected to the first servo motor and the second servo motor to control the first servo motor and the second servo motor;', 'a plurality of wheels disposed on a bottom surface of the first casing, with its rotation being controlled by the second servo motor;', 'an image sensing unit electrically connected to the first processing unit and disposed at a front end of a lateral surface of the first casing to sense images in front of the panel cutting apparatus, wherein the first processing unit controls the second servo motor according to the images sensed by the image sensing unit; and', 'a first integrated jig unit disposed on a top surface of the first casing and comprising a plurality of first jigs and a first jig changing unit, with the first jig changing unit electrically connected to the first processing unit and controlled by the first processing unit to switch between the plurality of first jigs and select one of ...

Apparatus and methods for separating a glass ribbon

A glass manufacturing apparatus may be configured to facilitate a process of separating a glass ribbon along a separation path extending across a width of the glass ribbon. In one example, the glass manufacturing apparatus comprises at least one anvil-side vacuum port defined by an elongated nose and an elongated anvil member. The anvil-side vacuum port is configured to remove glass debris during the process of separating the glass ribbon. In another example, the glass manufacturing apparatus comprises a scoring device and a score-side vacuum port configured to remove glass debris generated during the process of separating the glass ribbon.

Glass film production method

A method of manufacturing a glass includes a conveying step of moving a conveyance sheet material that contacts a lower surface of a glass film, to thereby convey the glass film. The conveyance sheet material includes a first contact portion that contacts the lower surface of the glass film on an upstream side in a manufacture-related process step, a second contact portion that contacts the lower surface of the glass film on a downstream side in the manufacture-related process step, and a non-contact portion that is prevented from contacting the lower surface of the glass film. In this method, the manufacture-related process step includes subjecting the glass film to a predetermined process at a position corresponding to the non-contact portion between the first and second contact portions while simultaneously moving the first, second , and non-contact portions of the conveyance sheet material through the conveying step.

Components made of glass or glass ceramic having predamage along predetermined dividing lines

A component of glass or glass ceramic having predamages arranged along at least one predetermined dividing line is provided. The dividing line has a row of predamages lying one behind the other. The predamages pass continuously through the glass or the glass ceramic with at least 90% of the predamages being cylindrically symmetrical. The glass or the glass ceramic has a material compaction of at least 1% relative to an actual material density in a radius of 3 μm about a longitudinal axis of respective pre-damaged points. The relative weight loss per pre-damaged point is less than 10% and the component has a thickness of at least 3.5 mm. 1. A component comprising:glass or glass ceramic having a plurality of predamages, each predamage in the plurality of predamages lying one behind the other along a dividing line, and each predamage passing continuously through the glass or the glass ceramic,wherein at least 90% of the plurality of predamages are cylindrically symmetrical,wherein the glass or the glass ceramic has a material compaction of at least 1% relative to an actual material density in a radius of 3 μm about a longitudinal axis of each predamage,wherein the glass or the glass ceramic has a relative weight loss per predamage that is less than 10%, andwherein the glass or the glass ceramic has a thickness of at least 3.5 mm.2. The component of claim 1 , wherein each predamage has a sectional plane at a surface of the glass or glass ceramic that is circular.3. The component of claim 2 , wherein the plurality of predamages have a radii that are substantially the same.4. The component of claim 2 , further comprising a ratio of an absolute vale of a difference between a diameter of the predamage at the surface to twice a diameter of the predamage at an opposite surface to the thickness that is <0.001.5. The component of claim 1 , further comprising a plurality of layers claim 1 , wherein the plurality of layers consists of the glass or glass ceramic or of different ...

OPTICAL FILTER AND METHOD OF MANUFACTURING SAME

Disclosed is an optical filter and a method of manufacturing the same, the optical filter including a tempered glass substrate and an optical filter formed on upper and lower surfaces of the tempered glass substrate and the method including: forming a sheet-cutting portion on a base glass substrate on a per-cell basis; tempering the base glass substrate such that upper and lower surfaces of the base glass substrate are tempered and a side portion thereof is tempered through the sheet-cutting portion as well; forming an optical filter layer on each of upper and lower surfaces of the base glass substrate; and dividing the base glass substrate into cells where each cell serves as a cell-based optical filter. 1. An optical filter comprising:a tempered glass substrate having a thickness of 0.05 mm to 0.3 mm; andan optical filter formed on upper and lower surfaces of the tempered glass substrate,wherein a strengthening resin layer is formed on either one or both of the upper and lower surfaces of the tempered glass substrate in a manner being interposed between the tempered glass substrate and the optical filter layer, andthe resin layer is configured in a thickness of 0.1 μm to 20 μm.2. The optical filter of claim 1 , wherein the tempered glass substrate is made of aluminosilicate glass and chemically tempered.3. The optical filter of claim 2 , wherein the chemical tempering is implemented at a temperature ranging from 350° C. to 450° C. using potassium nitrate (KNO3).4. The optical filter of claim 1 , the resin layer is selected from the group consisting of polycarbonate claim 1 , epoxy resins claim 1 , urethane resins claim 1 , acrylic resins claim 1 , acrylate claim 1 , silane resins claim 1 , and fluorine resins.5. The optical filter of claim 1 , the resin layer further includes a near-infrared absorbing component.6. The optical filter of claim 1 , wherein the optical filter layer is provided in which any one of a near-infrared reflective film and a visible light low ...

LASER PROCESSING DEVICE AND LASER PROCESSING METHOD

A laser processing device includes a laser light source, a converging optical system, a controller, and a reflective spatial light modulator. The controller and the reflective spatial light modulator, while using an aberration as a reference aberration, the aberration occurring when laser light is converged at a converging position with an amount of aberration correction in a state in which an ideal converging position is shifted by a predetermined distance to a laser light entrance side from the converging position, adjusts the aberration such that a first converging length longer than a reference converging length of the reference aberration is obtained and a first converging intensity less than a reference converging intensity of the reference aberration is obtained, when a modified region is formed within a first region closest to a front face of an object to be processed. 1. A laser processing device for converging laser light at an object to be processed so as to form a modified region within the object along a line to cut , the laser processing device comprising:a laser light source emitting the laser light;a converging optical system converging the laser light emitted from the laser light source at the object; andan aberration modulator adjusting an aberration caused by converging the laser light at the object and occurring at a converging position, whereinthe aberration modulator,while using the aberration as a reference aberration, the aberration occurring when the laser light is converged at the converging position with an amount of aberration correction in a state in which an ideal converging position is shifted by a predetermined distance to a laser light entrance side along an optical axis of the laser light from the converging position,adjusts the aberration such that a first converging length longer than a reference converging length of the reference aberration is obtained and a first converging intensity less than a reference converging intensity of ...

METHOD FOR PROCESSING GLASS PLATE

A method for processing a glass sheet includes a scribing step of heating a part of a glass sheet with laser light which is transmitted through the glass sheet from a first main surface of the glass sheet to a second main surface of the glass sheet, and moving an irradiation position of the laser light on the glass sheet, thereby forming a scribe line on at least the second main surface of the glass sheet. 1. A method for processing a glass sheet , comprising:a scribing step of heating a part of a glass sheet with laser light which is transmitted through the glass sheet from a first main surface of the glass sheet to a second main surface of the glass sheet, and moving an irradiation position of the laser light on the glass sheet, thereby forming a scribe line on at least the second main surface of the glass sheet.2. The method for processing a glass sheet according to claim 1 ,wherein in the scribing step, a part of the second main surface of the glass sheet is heated with the laser light to be expanded, and the scribe line is formed on the second main surface of the glass sheet by a tensile stress of the part expanded.3. The method for processing a glass sheet according to claim 1 ,wherein in the scribing step, by the laser light which is transmitted through the glass sheet from the first main surface of the glass sheet to the second main surface of the glass sheet, the scribe line is formed on the second main surface of the glass sheet and a scribe line is formed on the first main surface of the glass sheet.4. The method for processing a glass sheet according to claim 3 ,wherein an initial crack which is an origin of the scribe line is formed on at least one of: both surfaces including the first main surface of the glass sheet and the second main surface of the glass sheet; and an end surface of the glass sheet.5. The method for processing a glass sheet according to claim 1 ,wherein in the scribing step, by the laser light which is transmitted through the glass ...

METHOD OF STRUCTURING A GLASS ELEMENT AND STRUCTURED GLASS ELEMENT PRODUCED THEREBY

A method of structuring a glass element having a first side face and a second side face is provided. The method includes the steps of: producing a filament-shaped flaw in the glass element with a pulsed laser beam along a focus line; etching to remove glass in the filament-shaped flaw to form a wall extending from the first side face towards the second side face, the wall having a boundary line that is tapered at a vertex between the wall and the first side face with a taper angle with respect to a perpendicular of the first side face; and adjusting the taper angle by controlling a feature of the focus line. The feature is selected from a group consisting of a position of the focus line, a length of the focus line, an intensity distribution of the focus line, and any combinations thereof. 1. A method of structuring a glass element having a first side face and a second side face , comprising: directing a pulsed laser beam onto the first side face of the glass element, the glass element being transparent for the pulsed laser beam,', 'focusing, using focusing optics, the pulsed laser beam to form a focus line in the glass element such that the pulsed laser beam has an intensity within the focus line that is sufficient to produce the filament-shaped flaw, and', 'adjusting the focus line so that the filament-shaped flaw ends within the glass element;, 'producing a filament-shaped flaw in the glass element, the filament-shaped flaw extending transversely to first and second side faces of the glass element, wherein the step of producing the filament-shaped flaw comprisesetching to remove glass in the filament-shaped flaw to form a wall extending from the first side face towards the second side face, the wall having a boundary line that is tapered at a vertex between the wall and the first side face with a taper angle with respect to a perpendicular of the first side face; andadjusting the taper angle by controlling a feature of the focus line, the feature being selected ...

GLASS SHEET TRANSFER APPARATUSES FOR LASER-BASED MACHINING OF SHEET-LIKE GLASS SUBSTRATES

A glass sheet processing apparatus includes a glass sheet processing station including a laser cutting assembly that includes an optical arrangement positioned in a beam path of the laser providing a laser beam focal line that is formed on a beam output side of the optical arrangement. A glass holding conveyor belt carries a glass sheet by the laser cutting assembly so that the laser beam focal line is positioned on the glass sheet with the glass sheet on the glass holding conveyor belt. The glass holding conveyor belt is configured to carry multiple glass sheets to the laser cutting assembly for cutting the multiple glass sheets on the glass holding conveyor belt in a repeated fashion. 1. A glass sheet processing apparatus comprising:a glass sheet processing station comprising a laser cutting assembly comprising a laser comprising an optical arrangement positioned in a beam path of the laser providing a laser beam focal line that is formed on a beam output side of the optical arrangement; anda glass holding conveyor belt that carries a glass sheet to the laser cutting assembly so that the laser beam focal line is positioned on the glass sheet with the glass sheet on the glass holding conveyor belt;wherein the glass holding conveyor belt is configured to carry multiple glass sheets to the laser cutting assembly for cutting the multiple glass sheets on the glass holding conveyor belt in a repeated fashion.2. The glass sheet processing apparatus of claim 1 , wherein the glass holding conveyor belt comprises a material having a thermal resistance selected to allow the glass holding conveyor belt to be used in the repeated fashion.3. The glass sheet processing apparatus of claim 2 , wherein the laser creates a recess of no more than about 300 microns in depth in the glass holding conveyor belt during cutting of a glass sheet on the glass holding conveyor belt.4. The glass sheet processing apparatus of claim 1 , wherein the glass holding conveyor belt carries the glass ...

GLASS PLATE SCRIBING METHOD AND SCRIBING APPARATUS

A scribing apparatus includes a horizontal table on which a glass plate is placed and fixed under vacuum suction; a feed screw and a Y-axis control motor for moving the table along a pair of guide rails under scribe numerical control; a guide rail device body installed above the table along an X-axis direction; a carriage mounted on the guide rail device body so as to move in the X-axis direction while being guided; a feed screw and an X-axis control motor for moving the carriage in the X-axis direction under numerical control; and a scribe head installed on the carriage. 1. A glass plate scribing method comprising the steps of: first scribe forming a dent at a scribe starting point at the time of a scribing start; and starting scribing from within said dent.2. A glass plate scribing method comprising the steps of: first causing a cutter wheel to rotate or swing in a state in which said cutter wheel is brought into pressure contact with a glass plate at a scribe starting point at the time of a scribing start , to thereby scribe form a dent at the starting point; and subsequently starting scribing from within said dent.3. A glass plate scribing method comprising the steps of: first causing a diamond scribe stylus provided separately from a cutter wheel to rotate or swing in a state in which said diamond scribe stylus is brought into pressure contact with a glass plate at a scribe starting point at the time of a scribing start , to thereby scribe form a dent; subsequently causing said cutter wheel to be brought into pressure contact with the glass plate at the dent formed; and starting scribing from within said dent.4. A scribing apparatus comprising: a scribe head having a cutter wheel and adapted to scribe form a scribe line by rolling said cutter wheel in a state of being pressure contact with a glass plate; and a diamond stylus unit which has a diamond scribe stylus and causes said diamond scribe stylus to be brought into pressure contact with the glass plate to ...

METHOD FOR SEPARATING SUBSTRATES

A method for separating a substrate of a brittle-hard material is provided. The method includes the steps of introducing defects into the substrate at a spacing from one another along a separation line using at least one pulsed laser beam; selecting an average spacing between neighboring defects and a number of laser pulses for generating a respective defect such that a breaking stress (σ) for separating the substrate along the separation line is smaller than a first reference stress (σ) of the substrate and such that an edge strength σof the separation edge obtained after separation is greater than a second reference stress (σ) of the substrate; and separating the substrate after introducing the defects by applying a stress along the separation line. 1. A method for separating a substrate made of brittle-hard material , comprising:introducing defects into the substrate at a spacing from one another along a separation line using at least one pulsed laser beam;{'sub': B', 'R1', 'K', 'R2, 'selecting an average spacing between neighboring defects and a number of laser pulses for generating a respective defect such that a breaking stress (σ) for separating the substrate along the separation line is smaller than a first reference stress (σ) of the substrate and such that an edge strength σof the separation edge obtained after separation is greater than a second reference stress (σ) of the substrate; and'}separating the substrate after introducing the defects by applying a stress along the separation line.2. The method of claim 1 , setting the first reference stress (σ) and the second reference stress (σ) identical to one another and to a maximum thermal stress (σ) that depends on a material of the substrate.3. The method of claim 2 , further comprising determining the maximum thermal stress (σ) according to a formula σ=0.5·α·E·(T−100° C.) claim 2 , wherein α is the coefficient of thermal expansion of the material of the substrate claim 2 , E is the Young's modulus of the ...

METHOD AND APPARATUS FOR CUTTING A GLASS LAMINATE

A method and apparatus for cutting a glass laminate. A trench line is formed in a glass substrate that is an uppermost layer of a glass laminate by scoring a surface of the glass substrate. The glass laminate is cut in the direction parallel to the trench line. It is possible to prevent the propagation of cracks commonly formed during the cutting of glass laminates. 1. A method of cutting a glass laminate comprising:forming a trench line in a surface of a glass substrate that is an uppermost layer of a glass laminate by scoring the surface of the glass substrate; andcutting the glass laminate in a direction parallel to the trench line.2. The method of claim 1 , wherein the trench line is formed to a depth ranging 10% to 20% of a thickness of the glass substrate.3. The method of claim 2 , wherein the forming the trench line is performed such that a median crack is formed under the trench line in the glass substrate.4. The method of claim 3 , wherein a depth of the median crack from the surface of the glass substrate ranges from 10% to 65% of the thickness of the glass substrate.5. The method of claim 1 , wherein the scoring the surface of the glass substrate is performed using a scribing wheel.6. The method of claim 1 , wherein the cutting the glass laminate is performed such that a distance between a cut section of the glass laminate and a center of the trench line ranges from 10 μm to 100 μm.7. The method of claim 1 , wherein the cutting the glass laminate is performed using a router bit.8. The method of claim 1 , further comprising claim 1 , after the cutting the glass laminate claim 1 , polishing a cut section of the glass laminate.9. The method of claim 1 , wherein the glass laminate further comprises a base substrate bonded to the glass substrate.10. The method of claim 9 , wherein a thickness of the glass substrate is 1 mm or less.11. The method of claim 10 , wherein a thickness of the glass substrate is 0.3 mm or less.12. The method of claim 9 , wherein the ...

APPARATUS AND METHOD FOR PROCESSING LENGTHS OF FLEXIBLE GLASS

Apparatuses and methods are described for separating glass sheets from lengths of flexible glass. According to one embodiment, a glass processing apparatus comprises a vent forming device configured to provide a partial or full vent in a surface of a length of flexible glass along an intended line of separation, a break table comprising a first portion and a second portion, the first second portions of the break table configured to rotate with respect to each other along a hinging line, and a glass securing device configured to secure the length of flexible glass to the first and second portions of the break table for separating the length of flexible glass into multiple lengths of flexible glass along the intended line of separation. 1. A glass processing apparatus comprising:a vent forming device configured to provide a vent in a length of flexible glass along an intended line of separation;a break table comprising a first portion and a second portion, at least one of the first and second portions of the break table configured to rotate with respect to each other along a hinging line; anda glass securing device configured to secure the length of flexible glass to the first and second portions of the break table for separating the length of flexible glass into multiple lengths of flexible glass along the intended line of separation.2. The glass processing apparatus of claim 1 , wherein the glass securing device includes a first nosing arm for securing the length of flexible glass to the first portion of the break table and a second nosing arm for securing the length of flexible glass to the second portion of the break table.3. The glass processing apparatus of claim 2 , wherein the first nosing arm is spaced from the second nosing arm claim 2 , the hinging line located between the first and second nosing arms.4. The glass processing apparatus of claim 3 , wherein the vent forming device moves between the first nosing and the second nosing to provide the vent in the ...

METHOD AND DEVICE FOR SEPARATION OF GLASS PORTIONS OR GLASS CERAMIC PORTIONS

A method is provided that includes producing filamentary damages in a volume of a glass or glass ceramic element adjacently aligned along a separation line and extend obliquely relative to a surface of the glass or glass ceramic element; and separating a portion from the glass or glass ceramic element along the separation line. The step of producing the filamentary damages includes directing laser pulses of an ultrashort pulse laser obliquely on the surface so that the laser pulses have a light propagation direction that extends obliquely relative to the surface and so that the filamentary damages resulting from the laser pulses have the longitudinal extension that extends obliquely relative to the surface; generating a plasma within the volume with the laser pulses; and displacing the laser pulses at points of incidence over the surface along the separation line. 1. A method for separating portions from a glass or glass ceramic element , comprising:producing filamentary damages in a volume of the glass or glass ceramic element, the filamentary damages being adjacently aligned along a separation line and having a longitudinal extension that extends obliquely relative to a surface of the glass or glass ceramic element; andseparating a portion from the glass or glass ceramic element along the separation line, directing laser pulses of an ultrashort pulse laser obliquely on the surface so that the laser pulses have a light propagation direction that extends obliquely relative to the surface and so that the filamentary damages resulting from the laser pulses have the longitudinal extension that extends obliquely relative to the surface,', 'generating a plasma within the volume with the laser pulses, wherein the glass or glass ceramic element comprising a material that is transparent to the laser pulses, and', 'displacing the laser pulses at points of incidence over the surface along the separation line, wherein the separation line extends obliquely to a light incidence ...

Methods and systems for processing of glass ribbon

A method and apparatus for processing glass comprising a forming apparatus in a first processing zone, the forming apparatus configured to form a glass ribbon having a first direction of travel in the first processing zone. The apparatus also includes a first cutting apparatus in a second processing zone, the first cutting apparatus configured to separate one or more portions of the glass ribbon, the glass ribbon having a second direction of travel. The apparatus includes a first buffer zone between the first processing zone and the second processing zone in which the glass ribbon is supported in a first catenary between two, spaced-apart payoff positions. The second direction of travel in the second processing zone can be orthogonal to the first direction of travel in the first processing zone.

LASER PROCESSING OF TRANSPARENT ARTICLE USING MULTIPLE FOCI

Disclosed herein are transparent articles and methods and systems for processing transparent articles. Systems for processing transparent articles, e.g. cutting glass, may include at least one initial laser and at least one polarizing beam splitter, where the polarizing beam splitter is configured to split an initial laser beam into a plurality of laser beams, and wherein the plurality of laser beams are useful for processing transparent articles. Methods for processing transparent articles comprise creating at least one flaw in the transparent articles with a plurality of laser beams. 1. A method comprising:collinearly converging a first laser beam and a second laser beam along a mutual path, a first focus point of the first laser beam and a second focus point of the second laser beam offset from one another along the mutual path;moving the collinearly converged first and second laser beams in a first pass across at least a portion of a transparent article to form a first series of flaws in the transparent article at a first depth from a surface of the transparent article corresponding to the first focus point and a second depth from the surface of the transparent article corresponding to the second focus point;adjusting at least one of the first focus point and the second focus point; andmoving the collinearly converged first and second laser beams in a second pass across the portion of the transparent article to form a second series of flaws in the transparent article at a third depth from the surface of the transparent article corresponding to the first focus point and a fourth depth from the surface of the transparent article corresponding to the second focus point, the first series of flaws interleaved with the second series of flaws.2. The method of claim 1 , further comprising a step of separating the transparent article along the first and second series of flaws.3. The method of claim 1 , wherein the second laser beam passes through at least two lenses ...

CONTINUOUS PROCESSING OF FLEXIBLE GLASS RIBBON WITH RIBBON ISOLATION AND STABILIZATION

A method of continuous processing of flexible glass ribbon having a thickness of no more than 0.35 mm using a glass processing apparatus. The method includes providing the glass processing apparatus having at least three processing zones, including a first processing zone, a second processing zone and a third processing zone. The flexible glass ribbon is continuously fed from the first processing zone, through the second processing zone to the third processing zone. The feed rate of the flexible glass ribbon is controlled through each of the first processing zone, the second processing zone and the third processing zone using a global control device. Lateral position of the flexible glass ribbon is controlled through the second processing zone using a multi-axis steering apparatus comprising a first roller set and a second roller set, located downstream of the first roller set. 1. A method of continuous processing of flexible glass ribbon having a thickness of no more than 0.35 mm using a glass processing apparatus , the method comprising:continuously feeding the flexible glass ribbon through the glass processing apparatus, the glass processing apparatus comprising a cutting zone, including an edge trimming apparatus configured to separate an edge of the flexible glass ribbon as the flexible glass ribbon moves;controlling feed rate of the flexible glass ribbon through the cutting zone using a global control device; andcontrolling lateral position of the flexible glass ribbon through the cutting zone using a multi-axis steering apparatus comprising a first roller set and a second roller set located downstream of the first roller set.2. The method of claim 1 , wherein the first roller set includes a first roller pair located at a first edge of the flexible glass ribbon and a second roller pair located at a second edge of the flexible glass ribbon opposite the first edge.3. The method of claim 2 , wherein the second roller set includes a first roller pair located at ...

METHOD FOR SEPARATING THIN GLASS

A method for processing thin glass is provided. The method includes: providing thin glass having a flat surface and in a form selected from the group consisting of a sheet, plate, ribbon, and film; scoring the flat surface using a mechanical scoring tool to produce one or more scorings that delimit the thin glass into a plurality of thin glass plates and/or delimit one or more edges of the thin glass; applying a blasting liquid to form a moisture film on the thin glass thereby wetting scorings; and heating the moisture film until it evaporates at least partially to cleave the thin glass at the scorings and forming fresh break edges. 1. A method for processing thin glass , comprising the steps of:providing thin glass having a flat surface and in a form selected from the group consisting of a sheet, plate, ribbon, and film;scoring the flat surface using a mechanical scoring tool to produce one or more scorings that delimit the thin glass into a plurality of thin glass plates and/or delimit one or more edges of the thin glass;applying a blasting liquid to form a moisture film on the thin glass thereby wetting scorings; andheating the moisture film until it evaporates at least partially to cleave the thin glass at the scorings and forming fresh break edges.2. The method as claimed in claim 1 , wherein the step of using the mechanical scoring tool comprises using diamond cutting edges.3. The method as claimed in claim 1 , wherein the step of heating the moisture film comprises heating claim 1 , only locally claim 1 , along the scorings.4. The method as claimed in claim 1 , wherein the step of heating comprises directing fine flames to the scorings.5. The method as claimed in claim 1 , wherein the step of heating comprises directing electromagnetic radiation to the scorings.6. The method as claimed in claim 1 , wherein the step of applying the blasting liquid comprises feeding the blasting liquid through a passage into the scorings.7. The method as claimed in claim 1 , ...

Processing a Plate-Like Workpiece having a Transparent, Glass, Glass-Like, Ceramic and/or Crystalline Layer

A plate-like workpiece having a transparent, glass, glass-like, ceramic and/or crystalline layer, such as for use in an electronic display screen, is processed into separate segments by first incompletely severing the workpiece along outer contours of bounded segments, by forming holes through the layer with a laser beam, leaving the segments interconnected at narrow connections, and then separating the segments by severing the web-like connections. 1. A method for processing a plate-like workpiece having a layer of a transparent , glass , glass-like , ceramic and/or crystalline material to form a plurality of partial segments of the plate-like workpiece , the method comprising:incompletely severing the partial segments from the rest of the workpiece by forming holes along an outer contour of each partial segment, the formed holes each extending completely through a thickness of said layer, leaving each partial segment connected to other portions of the workpiece by at least one web-like connection; and thenseparating the partial segments by severing the web-like connections.2. The method of claim 1 , in which the separated partial segments comprise panes for screens.3. The method of claim 1 , wherein the partial segments are incompletely severed from the rest of the workpiece using laser radiation to modify material of the layer.4. The method of claim 1 , wherein the incomplete severing is carried out by laser-induced selective etching.5. The method of claim 1 , wherein at least one of the web-like connections is formed to have a thickness claim 1 , at least in some regions claim 1 , that is reduced in comparison with an overall thickness of the layer.6. The method of claim 1 , wherein at least one of the web-like connections is formed to have a connecting point to the outer contour of an associated partial segment which is set back with respect to an outer edge of the partial segment in either a direction of layer thickness direction or a direction of a principal ...

METHOD OF BONDING SUBSTRATES AND SEPARATING A PORTION OF THE BONDED SUBSTRATES THROUGH THE BOND, SUCH AS TO MANUFACTURE AN ARRAY OF LIQUID LENSES AND SEPARATE THE ARRAY INTO INDIVIDUAL LIQUID LENSES

A method of forming a bond between substrates and manipulating the bond comprises: emitting a first laser energy onto a strip of an absorption material disposed between a first substrate and a second substrate until the strip diffuses into the first substrate and the second substrate resulting in workpiece with a bond between the first substrate and the second substrate; emitting a second laser energy through the workpiece at the bond to create a fault line through the bond, the first substrate, and the second substrate, the second laser energy provided by an approximated Bessel beam, the approximated Bessel beam incident upon the bond having a diameter that is greater than a width of the bond; and repeating emitting the second laser energy step along a length of the bond to create a series of fault lines through the bond, the series of fault lines forming a contour. 1. A method of forming a bond between substrates and manipulating the bond , the method comprising:emitting a first laser energy onto a length and a width of a strip of an absorption material disposed between a first substrate and a second substrate until the strip of the absorption material diffuses into the first substrate and the second substrate resulting in a bond between the first substrate and the second substrate, thereby creating a workpiece comprising the first substrate bonded to the second substrate through the bond, the bond having a length and a width at least approximating the length and the width of the strip before the strip is diffused;emitting a second laser energy through the workpiece at the bond to create a fault line through the first substrate and the second substrate, the second laser energy provided by an approximated Bessel beam, the approximated Bessel beam incident upon the bond having a diameter that is greater than the width of the bond; andrepeating emitting the second laser energy step along the length of the bond to create a series of fault lines forming a contour.2. ...

Method of manufacturing glass film

A method of manufacturing a glass film using a roll-to-roll process in which a long glass film from a feed roll is wound on a winding roll through a plurality of steps, the plurality of steps comprising: a step of cutting the glass film along a feed direction at a predetermined position in a width direction; and a step of polishing cutting surfaces of glass films into which the glass film is cut.

GLASS SUBSTRATE, LAMINATED SUBSTRATE, LAMINATED SUBSTRATE MANUFACTURING METHOD, LAMINATE, PACKAGE, AND GLASS SUBSTRATE MANUFACTURING METHOD

A glass substrate is laminated with a substrate containing silicon to thereby form a laminated substrate. The glass substrate has a concave surface and a convex surface and has one or more marks that distinguish between the concave surface and the convex surface. 1. A glass substrate to be laminated with a substrate containing silicon to thereby form a laminated substrate , the glass substrate having a concave surface and a convex surface and having one or more marks that distinguish between the concave surface and the convex surface.2. The glass substrate according to claim 1 , wherein the marks that distinguish between the concave surface and the convex surface comprise two marks formed on the concave surface and differing in shape from each other and two marks that are formed on the convex surface in positions respectively facing the two marks formed on the concave surface and that are equal in shape to the respective corresponding marks formed on the concave surface claim 1 , anda shortest line by which the two marks on the convex surface are connected to each other on the convex surface does not pass through a center of gravity on the convex surface.3. The glass substrate according to claim 1 , wherein the marks that distinguish between the concave surface and the convex surface comprise two marks formed on the concave surface and differing from each other in distance from a center of gravity on the concave surface and two marks that are formed on the convex surface in positions respectively facing the two marks formed on the concave surface and that are equal in shape to the respective corresponding marks formed on the concave surface claim 1 , anda shortest line by which the two marks on the convex surface are connected to each other on the convex surface does not pass through a center of gravity on a convex surface.4. The glass substrate according to claim 1 , wherein the marks on the concave surface and the marks on the convex surface are through-holes.5. ...

METHODS OF MANUFACTURING A THIN GLASS PANE

Methods of manufacturing a glass pane comprise the steps of providing a glass sheet with a thickness of less than about 1.6 mm between a first major surface and a second major surface of the glass sheet. The methods include scoring the first major surface of the glass sheet to provide a boundary score line and a relief score line. In some examples, the method provides a relief score depth that is greater than a boundary score depth. In another example, the method includes the step of placing the glass sheet on a conveyor belt including a Shore A hardness of greater than or equal to 70. In further examples, methods of breaking a glass sheet with an oversized template are provided. 1. A method of manufacturing a glass pane comprising the steps of:(I) providing a glass sheet with a thickness of less than about 1.6 mm between a first major surface and a second major surface of the glass sheet;(II) scoring the first major surface of the glass sheet to provide a boundary score line with a boundary score depth, wherein the boundary score line at least partially circumscribes a central target area of the glass sheet to define a separation line between the central target area and an outer peripheral area of the glass sheet, and wherein the outer peripheral area at least partially circumscribes the central target area of the glass sheet;(III) scoring the first major surface of the glass sheet to provide at least one relief score line with a relief score depth, wherein the relief score line is defined in the outer peripheral area and extends toward boundary score line, and wherein the relief score depth is greater than the boundary score depth; and(IV) breaking away the outer peripheral area of the glass sheet from the central target area of the glass sheet along the separation line.2. The method of claim 1 , wherein step (II) scores the first major surface of the glass sheet such that the boundary score depth is from about 10% to about 20% of the thickness of the glass sheet. ...

EDGE CHAMFERING METHODS

Processes of chamfering and/or beveling an edge of a glass or other substrate of arbitrary shape using lasers are described herein. Three general methods to produce chamfers on glass substrates are disclosed. The first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser. Treatment with the ultra-short laser may be optionally followed by a COlaser for fully automated separation. The second method is based on thermal stress peeling of a sharp edge corner, and it has been demonstrated to work with different combination of an ultrashort pulse and/or COlasers. A third method relies on stresses induced by ion exchange to effect separation of material along a fault line produced by an ultra-short laser to form a chamfered edge of desired shape. 1. A method of laser processing comprising:focusing a pulsed laser beam into a laser beam focal line;directing the laser beam focal line into a material at a first angle of incidence to the material, the laser beam focal line generating an induced absorption within the material, the induced absorption producing a defect line along the laser beam focal line within the material;translating the material and the laser beam relative to each other, thereby forming a plurality of defect lines along a first plane at the first angle within the material;directing the laser beam focal line into the material at a second angle of incidence to the material, the laser beam focal line generating an induced absorption within the material, the induced absorption producing a defect line along the laser beam focal line within the material; andtranslating the material or the laser beam relative to one another, thereby forming a plurality of defect lines along a second plane at the second angle within the material, the second plane intersecting the first plane.2. The method of claim 1 , wherein the directing the laser beam focal line into the material at a first angle of incidence to the material is ...

LASER PROCESSING OF SAPPHIRE SUBSTRATE AND RELATED APPLICATIONS

A method of laser processing a material to form a separated part. The method includes focusing a pulsed laser beam into a laser beam focal line, viewed along the beam propagation direction, directed into the material, the laser beam focal line generating an induced absorption within the material, the induced absorption producing a hole or fault line along the laser beam focal line within the material, and directing a defocused carbon dioxide (CO) laser from a distal edge of the material over the plurality of holes to a proximal edge of the material. 1. A method of laser cutting a material comprising:focusing a pulsed laser beam into a laser beam focal line;directing the laser beam focal line into the material, the laser beam focal line generating an induced absorption within the material, the induced absorption producing a defect line along the laser beam focal line within the material;translating the material or the laser beam relative to one another, thereby forming a plurality of defect lines in the material with the laser; anddirecting an IR laser beam over the plurality of defect lines.2. The method of claim 1 , wherein the material is sapphire.3. The method of claim 1 , wherein a pulse duration of the pulsed laser beam is in a range of between greater than about 1 picosecond and less than about 100 picoseconds.4. The method of claim 3 , wherein the pulse duration of the pulsed laser beam is in a range of between greater than about 5 picoseconds and less than about 20 picoseconds.5. The method of claim 1 , wherein a repetition rate of the pulsed laser beam is in a range of between 1 kHz and 2 MHz.6. The method of claim 5 , wherein the repetition rate of the pulsed laser beam is in a range of between 10 kHz and 650 kHz.7. The method of claim 1 , wherein the pulsed laser beam has an average laser power measured at the material greater than 40 μJ per mm thickness of material.8. The method of claim 1 , wherein the pulses are produced in bursts of at least two ...

METHOD AND SYSTEM FOR FORMING PERFORATIONS

The embodiments disclosed herein relate to methods, systems, and system components for creating and arranging small (micron and smaller) defects or perforations in transparent materials in a particular manner, and, more particularly, to the arrangement of these defects, each of which has an average crack length, in a predetermined spaced-apart relation (each defect separated from an adjacent defect by a predetermined distance) defining a contour in a transparent material to lower the relative interface fracture toughness for subsequent planned induced separation. 1. A system for forming a plurality of defects defining a contour in a workpiece , said workpiece comprising a glass substrate comprising at least one layer and having a normalized pre-defect formation fracture toughness rating (1.0) , the system comprising:a laser assembly configured to provide a plurality of laser pulse emissions, each laser pulse emission of the plurality of laser pulse emissions having predetermined characteristics selected from the group consisting of wavelength, power level, pulse duration, and a laser pulse emission rate; each said different focal line is separated from an adjacent different focal line by a predetermined distance,', 'a corresponding defect with an average crack length is formed in said workpiece along each different focal line to form a plurality of defects defining a contour in said workpiece, and', 'each of said defects being substantially generated by induced absorption;, 'an optical assembly coupled to the laser assembly, the optical assembly being configured and moveable to focus each laser pulse emission to a different focal line at a different position within said workpiece, whereina workpiece holder configured to hold said workpiece at a position relative to the optical assembly, said workpiece holder or the optical assembly being configured to provide a relative motion between said workpiece and the optical assembly; anda controller coupled to the laser ...

METHOD FOR BREAKING OUT A SHEET OF GLASS

The method includes tracing a score line on the surface of the glass, using a scoring tool, and breaking out using a local pressure system applied on the opposite face and opposite the score line, the local pressure system being moved and pressed along the score line on the opposite face. 115.-. (canceled)16. A method for breaking out a complex shape from a sheet of glass , the method comprising:tracing a score line on a surface of the glass, using a scoring tool;breaking out the glass using a local pressure system applied on an opposite face and opposite the score line, the local pressure system being moved and pressed along the score line on said opposite face,wherein a planar-support system is positioned on the side of the score line, facing the local pressure system during the breaking-out,wherein a suction table is utilized as the planar-support system, the suction table supporting the sheet of glass by suction on a top face of the sheet of glass during the breaking-out or scoring, andwherein the tracing and the breaking-out are performed without turning the sheet of glass over between the tracing and the breaking-out.17. The method as claimed in claim 16 , wherein the breaking-out is performed through a soft conveyor belt that conveys the sheet of glass.18. The method as claimed in claim 16 , wherein the local pressure system is mounted so that the local pressure system is rollable so as to roll along the sheet of glass.19. The method as claimed in claim 16 , wherein the local pressure system is a ball or a roller.20. The method as claimed in claim 19 , wherein the roller is a rounded roller.21. The method as claimed in claim 16 , wherein the local pressure system is pressed continuously along the score line.22. The method as claimed in claim 16 , wherein the local pressure system is pressed with a force that has a periodic intensity.23. The method as claimed in claim 16 , wherein the method is used to cut at least two imbricated and/or tangential complex ...

LASER CUT COMPOSITE GLASS ARTICLE AND METHOD OF CUTTING

The present disclosure relates to a process for cutting and separating arbitrary shapes of thin substrates of transparent materials, particularly tailored composite fusion drawn glass sheets, and the disclosure also relates to a glass article prepared by the method. The developed laser method can be tailored for manual separation of the parts from the panel or full laser separation by thermally stressing the desired profile. The self-separation method involves the utilization of an ultra-short pulse laser that can be followed by a COlaser (coupled with high pressure air flow) for fully automated separation. 1. A method of laser processing a fusion formed glass composite workpiece , the method comprising:focusing a pulsed laser beam into a laser beam focal line oriented along the beam propagation direction and directed into the fusion formed glass composite workpiece, the laser beam focal line generating an induced absorption within the workpiece, and the induced absorption producing a defect line along the laser beam focal line within the workpiece; andtranslating the workpiece and the laser beam relative to each other along a contour, thereby forming a plurality of defect lines within the workpiece, the defect lines being spaced apart by a distance between 0.5 micron and 20 microns.2. The method of claim 1 , wherein the defect lines are spaced apart by a distance between 1 micron and 7 microns.3. The method of claim 1 , wherein the defect lines extend at least 250 microns.4. The method of claim 1 , wherein the fusion formed glass composite workpiece has a central tension greater than 5 megapascals (MPa).5. The method of claim 1 , wherein the fusion formed glass composite workpiece comprises cladding and core layers with different coefficients of thermal expansion claim 1 , with a total of three or more layers.6. The method of claim 1 , further comprising separating the workpiece along the contour.7. The method of claim 6 , wherein separating the workpiece along the ...

Shaping of brittle materials with controlled surface and bulk properties

Methods of and devices for forming edge chamfers and through holes and slots on a material that is machined using a laser, such as an ultrafast laser. The shaped material has predetermined and highly controllable geometric shape and/or surface morphology. Further, a method of and a device for preventing re-deposition of the particles on a material that is machined using a laser, such as an ultrafast laser. A fluid is used to wash off the particles generated during the laser machining process. The fluid can be in a non-neutral condition, with one or more chemical salts added, or a condition allowing the coagulation of the particles in the fluid, such that the particles can be precipitated to avoid the reattachment to the machined substrate.

METHOD OF MANUFACTURING A GLASS ROLL

A method of manufacturing a glass roll, includes: a forming step (S) of forming, while conveying a glass film, the glass film by a downdraw method; a temporary rolling step (S) of rolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying in the forming step (S), to thereby manufacture a source glass roll; and a main rolling step (S) of unrolling, while conveying the glass film to a downstream side, the glass film from the source glass roll, and then rerolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying, to thereby manufacture a glass roll. Higher tension in a rolling direction is applied to the glass film in the main rolling step (S) than in the temporary rolling step (S). 116-. (canceled)17. A method of manufacturing a glass roll , comprising:forming, while conveying a glass film to a downstream side, the glass film by a forming device for carrying out a downdraw method;rolling the glass film while superposing a first protective film on the glass film at a downstream end of a path of the conveying in the forming, to thereby manufacture a source glass roll;unrolling, while conveying the glass film to the downstream side, the glass film from the source glass roll; andrerolling the glass film while superposing a second protective film on the glass film at a downstream end of a path of the conveying in the unrolling to thereby manufacture a glass roll,wherein, in the forming, the glass film at the downstream side of the forming device is conveyed while only a first surface of the glass film is contact-supported, andwherein, in the unrolling, the glass film at the downstream side of the source glass roll is conveyed while only the first surface of the glass film is contact-supported.18. The method of manufacturing a glass roll according to claim 17 , wherein tension in a rerolling direction to be applied to the glass film in the ...

EQUIPMENT FOR PROCESSING GLASS SHEETS

The present invention concerns a piece of equipment () suited to process a glass sheet (L), comprising an edging device () and a workbench () suited to be mutually moved with respect to each other in order to allow an edging operation to be performed by the edging device () on at least one edge (B B) of a piece resulting from a cutting step during which the glass sheet (L) has been cut, the workbench () being suited to define the workbench () for the cutting step. 113.-. (canceled)141. Equipment () for processing a glass sheet (L) , comprising:{'b': '8', 'an edging device ();'}{'b': 4', '8', '1', '2, 'a workbench () suited to mutually move with respect to each other in order to allow an edging operation to be carried out by said edging device () with respect to at least one edge (B, B) of a piece resulting from a cutting step during which said glass sheet (L) has been cut;'}{'b': 4', '4, 'said workbench () being suited to define the workbench () for said cutting step; and,'}{'b': 4', '42', '52', '42', '52', '8', '42', '52', '4', '42', '52, 'said workbench () comprising a first portion () and a second portion (), at least one of said portions being movable with respect to the other, said two portions (, ) being suited to be moved away from or towards each other, characterized in that said edging device () is positioned in an intermediate area between said two portions (, ) of said workbench (), when said two portions (, ) are moved away from each other.'}15184. Equipment () according to claim 14 , characterized in that said edging device () can be positioned in an area at a lower level than said workbench ().161848. Equipment () according to claim 14 , characterized in that it comprises moving means () suited to move said edging device ().171849294842524. Equipment () according to claim 15 , characterized in that said moving means () comprise moving means ( claim 15 , ) suited to position said edging device () towards said first portion () or towards said second ...

METHOD AND SYSTEM FOR SCORING GLASS SHEET

A method includes scoring a glass sheet to form a scored region of the glass sheet. The scored region extends in a longitudinal direction and comprises a plurality of deep score portions and a shoulder portion disposed longitudinally between adjacent deep score portions. The glass sheet is severed along a severing line extending in a transverse direction substantially perpendicular to the longitudinal direction and through the shoulder portion of the scored region. 1. A method comprising:scoring a glass sheet to form a scored region of the glass sheet, the scored region extending in a longitudinal direction and comprising a plurality of deep score portions and a shoulder, portion disposed longitudinally between adjacent deep score portions; andsevering the glass sheet along a severing line extending in a transverse direction substantially perpendicular to the longitudinal direction and through the shoulder portion of the scored region.2. The method of claim 1 , wherein the scoring claim 1 , the glass sheet comprises engaging the glass sheet with a scoring member and moving the glass sheet in the longitudinal direction relative to the scoring member.3. The method of claim 2 , wherein the engaging the glass sheet with the scoring member comprises engaging the glass sheet with the scoring member at a greater engaging force at the longitudinal positions of the deep score portions than at the longitudinal position of the shoulder portion.4. The method of claim 2 , wherein a viscosity of a contacted region of the glass sheet in contact with the scoring member is at least about 1×10kP and at most about 1×10kP.5. The method of claim 2 , wherein the scoring the glass sheet comprises passing the glass sheet between the scoring member and a backing member.6. The method of claim 5 , further comprising moving the backing member in a direction perpendicular to a plane of the glass sheet.7. The method of claim 6 , further comprising detecting a position of the glass sheet adjacent ...

MANUFACTURING OF WAFER-LIKE THIN GLASS PLATES HAVING STRUCTURES THEREON AND SEPARATION THEREOF INTO INDIVIDUAL SMALLER THIN GLASS PLATES

A method for manufacturing wafer-like thin glass plates having structures thereon and for separating the wafer-like thin glass plates into individual smaller thin glass plates is provided. The method includes the steps of: providing thin glass in wafer size, having an upper surface and a lower surface; producing scorings in the lower surface of the thin glass using a mechanical scoring tool in order to delimit individual smaller thin glass plates from each other; applying structures on the upper surfaces of the individual smaller thin glass plates; applying a blasting liquid to form a moisture film on the thin glass thereby wetting the scorings; and heating the moisture film until it evaporates at least partially thereby causing cleaving of the scorings and singulation of the thin glass into the individual smaller thin glass plates having fresh break edges. 1. A method for manufacturing wafer-like thin glass plates having structures thereon and for separating the wafer-like thin glass plates into individual smaller thin glass plates , comprising the steps of:providing thin glass in wafer size, having an upper surface and a lower surface;producing scorings in the lower surface of the thin glass using a mechanical scoring tool in order to delimit individual smaller thin glass plates from each other;applying structures on the upper surfaces of the individual smaller thin glass plates;applying a blasting liquid to form a moisture film on the thin glass thereby wetting the scorings; andheating the moisture film until it evaporates at least partially thereby causing cleaving of the scorings and singulation of the thin glass into the individual smaller thin glass plates having fresh break edges.2. The method as claimed in claim 1 , wherein the step of providing the thin glass comprises thin glass having a fire-polished surface suitable to form substrates for thin film storage elements.3. The method as claimed in claim 2 , wherein the thin glass has a thickness variation in ...

METHOD AND DEVICE FOR PRODUCING BAND-SHAPED GLASS FILM

A manufacturing method for a band-shaped glass film (GF) includes use of: a plurality of rollers () configured to change a direction of the falling band-shaped glass film (GF) to a horizontal direction; and a first horizontal-conveyance unit () configured to convey the band-shaped glass film (GF) in the horizontal direction after the changing of the direction of the band-shaped glass film (GF). After a lower end of the band-shaped glass film (GF) passes through a position between the plurality of rollers () being at a retreated position (P) and the first horizontal-conveyance unit (), the plurality of rollers () are moved from the retreated position (P) to a regular position (P) to apply a pressing force to the band-shaped glass film (GF), to thereby cut the band-shaped glass film (GF) along a width direction by bend-breaking. 1. A manufacturing method for a band-shaped glass film , comprising use of:a direction-changing member configured to change a direction of a falling band-shaped glass film to a horizontal direction; anda horizontal-conveyance unit configured to convey the band-shaped glass film in the horizontal direction after the changing of the direction of the band-shaped glass film,wherein the direction-changing member is movable in the horizontal direction between a regular position for changing the band-shaped glass film in direction and a retreated position which is separated from the horizontal-conveyance unit farther than the regular position, andwherein, after a lower end of the band-shaped glass film passes through a position between the direction-changing member being at the retreated position and the horizontal-conveyance unit, the direction-changing member is moved from the retreated position toward the regular position to apply a pressing force to the band-shaped glass film, to thereby cut the band-shaped glass film along a width direction by bend-breaking.2. The manufacturing method for a band-shaped glass film according to claim 1 , wherein ...

LASER CUTTING OF THERMALLY TEMPERED SUBSTRATES

Systems and methods for laser-cutting thermally tempered substrates are disclosed. In one embodiment, a method of separating a thermally tempered substrate includes directing a laser beam focal line such that at least a portion of the laser beam focal line is within a bulk of the thermally tempered substrate. The focused pulsed laser beam is pulsed to form a sequence of pulse bursts comprising one or more sub-pulses. The laser beam focal line produces a damage track within the bulk of the tempered substrate along the laser beam focal line. Relative motion is provided between the focused pulsed laser beam and the tempered substrate such that the pulsed laser beam forms a sequence of damage tracks within the tempered substrate. Individual damage tracks of the sequence of damage tracks are separated by a lateral spacing, and one or more microcracks connect adjacent damage tracks of the sequence of damage tracks. 1. A thermally tempered glass substrate comprising:a first surface and a second surface, wherein the first surface and the second surface have a compressive stress greater than or equal to 24 MPa, and a stress profile within a body of the thermally tempered glass substrate between the first and second surface is parabolic;an edge extending from the first surface to the second surface; and each individual damage track of the plurality of damage tracks has a diameter of less than or equal to 5 μm and has a length of greater than or equal to 250 μm;', 'adjacent damage tracks of the plurality of damage tracks are separated by a lateral spacing between about 2 μm and about 20 μm; and', 'the plurality of damage tracks extend 50% or more of a length of the edge., 'a plurality of damage tracks positioned at the edge, wherein2. The thermally tempered glass substrate of claim 1 , wherein:each individual damage track of the plurality of damage tracks has a length equal to or greater than 1 mm; andthe plurality of damage tracks extend 75% or more of the length of the edge. ...

METHOD FOR DIVIDING BRITTLE SUBSTRATE

A cutter edge is caused to slide to generate a plastic deformation on a first surface of a brittle substrate, thus forming a trench line. The trench line is formed so as to obtain a crack-free state in which the brittle substrate seamlessly continues in a direction intersecting the trench line directly below the trench line. The crack-free state is then maintained. A crack of the brittle substrate in its thickness direction is extended along the trench line to form a crack line. The brittle substrate is divided along the crack line. 1. A method for dividing a brittle substrate , the method comprising:preparing a brittle substrate including a first surface and having a thickness direction perpendicular to said first surface;pressing a cutter edge against said first surface of said brittle substrate;forming a trench line having a groove shape by causing said cutter edge pressed in said pressing to slide on said first surface of said brittle substrate to generate a plastic deformation on said first surface of said brittle substrate, said forming a trench line being performed to obtain a crack-free state in which said brittle substrate seamlessly continues in a direction intersecting said trench line directly below said trench line;maintaining said crack-free state after said forming a trench line;after said maintaining said crack-free state, forming a crack line by extending a crack of said brittle substrate in said thickness direction along said trench line, said crack line breaking seamless continuity of said brittle substrate in the direction intersecting said trench line directly below said trench line; anddividing said brittle substrate along said crack line.2. The method for dividing a brittle substrate according to claim 1 , wherein said maintaining said crack-free state comprises transporting said brittle substrate.3. The method for dividing a brittle substrate according to claim 1 , wherein said maintaining said crack-free state comprises processing said ...

MACHINING METHODS OF FORMING LAMINATED GLASS STRUCTURES

A method of shaping a laminated glass structure includes providing the laminated glass structure comprising a flexible glass sheet having a thickness of no greater than about 0.3 mm laminated to a non-glass substrate by an adhesive layer. The flexible glass structure and adhesive layer are ground using a first tool to remove glass material. The non-glass substrate is cut with a second tool different from the first tool through a kerf formed through the flexible glass structure thereby forming a shaped laminated glass structure. A glass edge strength of a cut edge of the shaped laminated glass structure is at least about 20 MPa. 1. A method of shaping a laminated glass structure comprising a flexible glass sheet having a thickness of no greater than about 0.3 mm laminated to a non-glass substrate by an adhesive layer , the method comprising:cutting the flexible glass structure and adhesive layer using a first tool to remove glass material; andcutting the non-glass substrate with a second tool different from the first tool through a kerf formed through the flexible glass structure thereby forming a shaped laminated glass structure;wherein a glass edge strength of a cut edge of the shaped laminated glass structure is at least about 20 MPa.2. The method of claim 1 , wherein the first tool is an abrasive wheel having an ISO/FEPA grit designation of at least 180.3. The method of claim 1 , wherein the second tool is a metal wire electrode of a wire-cut EDM machine.4. The method of claim 1 , wherein the first tool is a first abrasive wheel and the second tool is a second abrasive wheel having an ISO/FEPA grit designation different from the first abrasive wheel.5. The method of claim 4 , wherein the step of cutting the flexible glass structure and adhesive layer using the first tool comprises grinding the flexible glass structure using the first abrasive wheel to form the kerf.6. The method of claim 5 , wherein the second abrasive wheel has a width less than a width of the ...

METHOD AND SYSTEM FOR ARRESTING CRACK PROPAGATION

A method of arresting propagation of an incident crack through a transparent material includes focusing pulsed laser beams into a laser beam focal line directed into the transparent material a series of locations corresponding to a predetermined pattern that is designed to arrest an incident crack that propagates through the transparent material, and generating, with the laser beam focal line (), an induced absorption within the transparent material in order to produce a defect () in the transparent material. 1. A system for arresting propagation of an incident crack through a transparent material , the system comprising:a laser assembly configured to selectively provide a pulsed laser beam;an optical assembly coupled to the laser assembly, the optical assembly being configured to cause the pulsed laser beam to converge at a focal line, the optical assembly being adjustable such that each focal line is characterized by a dimensional parameter and disposed at a position relative to the optical assembly;a workpiece holder configured to hold the transparent material at a position relative to the optical assembly, the workpiece holder or the optical assembly being configured to provide a relative motion between the transparent material and the optical assembly; anda controller coupled to the laser assembly, the optical assembly or the workpiece holder, the controller being configured to execute instructions representing a predetermined pattern, the controller being configured to select the dimensional parameter for each pulsed laser beam, the controller being further configured to select the relative motion such that a plurality of the pulsed laser beam forms a plurality of defects corresponding to the predetermined pattern within the transparent material, each defect of the plurality of defects being substantially generated by induced absorption;wherein the predetermined pattern is designed to arrest an incident crack that propagates through the transparent material.2. ...

Apparatus and method of managing mechanically induced stress on a crack tip when separating a flexible glass ribbon

A method of managing mechanical stress on a crack tip when separating a flexible glass ribbon includes directing the flexible glass ribbon to an edge trimming apparatus including a cutting device. The flexible glass ribbon includes a first broad surface and a second broad surface that extend laterally between a first edge and a second edge. The first edge of the flexible glass ribbon is separated as the flexible glass ribbon moves by the cutting device forming a continuous strip of edge trim connected to a central portion of the flexible glass ribbon at a crack tip. A width of a gap between the first edge and the central portion is detected using a gap measurement device. A signal is supplied to a controller indicative of the width of the gap. The width of the gap between the first edge and the central portion is adjusted based on the signal using a gap adjustment device.

METHODS FOR ETCHING VIAS IN GLASS-BASED ARTICLES EMPLOYING POSITIVE CHARGE ORGANIC MOLECULES

Methods of forming vias in a glass-based article by laser-damage-and-etch processes including etching solutions having positive charge organic molecules are disclosed. In some embodiments, a method of forming a via in a glass-based article includes forming a damage track through a bulk of the glass-based article extending from a first surface of the glass-based article to a second surface of the glass-based article, and applying an etching solution to the glass-based article to form the via. The etching solution includes at least one acid and a positive charge organic molecule. An etch rate at the first surface and the second surface is lower than an etch rate at the damage track. 1. A method of forming a via in a glass-based article , the method comprising: 'prior to etching, the glass-based article has a damage track formed through a bulk of the glass-based article extending from a first surface of the glass-based article to a second surface of the glass-based article;', 'applying an etching solution to a glass-based article to form the via, whereinthe etching solution comprises at least one acid and a positive charge organic molecule; andan etch rate at the first surface and the second surface is lower than an etch rate at the damage track.2. The method of claim 1 , wherein the positive charge organic molecule comprises:a hydrophilic portion comprising a positive charge; anda hydrophobic portion.3. The method of claim 1 , wherein the positive charge organic molecule comprises one or more of at least one surfactant and at least one polyelectrolyte.4. The method of claim 1 , wherein the positive charge organic molecule comprises cetrimonium bromide.5. The method of claim 1 , wherein the positive charge organic molecule comprises poly(diallyldimethylammonium chloride).6. The method of claim 5 , wherein a concentration of the positive charge organic molecule is with a range of 0.0035 wt % to 10 wt % including endpoints.7. The method of claim 1 , wherein the at least ...

METHOD FOR FORMING A SERIES OF DEFECTS AT DIFFERENT DEPTHS IN A SHEET OF MATERIAL, SHEET OF MATERIAL AND ELECTRONIC DEVICE

There is described a method of forming defects inside a sheet of material by using a laser system. The material has a damage irradiance threshold and an optical transparency window. The method has the steps of: moving a focal spot of a pulsed laser beam relatively to said sheet such that said focal spot moves in back and forth sequences across a thickness of said sheet as the focal spot is moved along a plane of said sheet, while emitting laser pulses of said pulsed laser beam, said laser pulses having a wavelength within said optical transparency window and having an irradiance at said focal spot exceeding said damage irradiance threshold thereby forming a plurality of defects inside said sheet, the plurality of defects being distributed both along said plane and across said thickness of said sheet of material. 1. A method of forming defects inside a sheet of material with a laser system , the material having a damage irradiance threshold and an optical transparency window , the method comprising:moving a focal spot of a pulsed laser beam relatively to said sheet such that said focal spot moves in back and forth sequences across a thickness of said sheet as the focal spot is moved along a plane of said sheet, while emitting laser pulses of said pulsed laser beam, said laser pulses having a wavelength lying within said optical transparency window and having an irradiance at said focal spot exceeding said damage irradiance threshold thereby forming a plurality of defects inside said sheet, the plurality of defects being distributed both along said plane and across said thickness of said sheet of material.2. The method of wherein said moving comprises moving said sheet along said plane at a given speed.3. The method of wherein said moving comprises claim 2 , while moving said sheet along said plane claim 2 , moving said focal spot in back and forth sequences across said thickness.4. The method of wherein said moving said sheet along said plane comprises adjusting said ...

Glass element with cut edge and method of producing same

A method is provided for scoring glasses. The method includes the steps of generating a deep crack in the glass along an intended separation line by exerting pressure onto the glass surface using a rigid scoring tool, wherein the scoring tool, by being pressed against the glass surface and due to the advancement force while introducing the deep crack generates a zone of elastic strain in the glass in a direction along the glass surface and perpendicular to the separation line, which extends in an arc in the plane defined by the separation line perpendicular to the glass surface such that one leg of the arc is located close to the contact point of the scoring tool on the glass surface and another leg is located inside the glass. The arc being open towards the advancement/advancement direction of the scoring tool.

Continuous processing of flexible glass ribbon

A method of continuously processing glass ribbon having a thickness<0.3 mm. The method includes providing a glass processing apparatus having a first processing zone, a second processing zone and a third processing zone. The glass ribbon is continuously fed from the first processing zone, through the second processing zone to the third processing zone. The feed rate of the glass ribbon is controlled through each processing zone using a global control device. A first buffer zone is provided between the first processing zone and the second processing zone in which the glass substrate is supported in a first catenary between two, spaced-apart, payoff positions. A second buffer zone is provided between the second processing zone and the third processing zone in which the glass substrate is supported in a second catenary between two, spaced-apart, payoff positions.

MACHINE FOR CUTTING SHEETS, PARTICULARLY OF MARBLE, GRANITE, GLASS AND COMPOSITE MATERIALS

The machine for cutting sheets, particularly of marble, granite, glass and composite materials, comprises: 1. Machine for cutting sheets , particularly of marble , granite , glass and composite materials , comprising:at least a base frame;at least a work top for at least a sheet to be cut, which is associated with said base frame;at least a cutting head, having at least a cutting tool to cut said sheet and associated with said base frame by interposition of first movement means of said cutting head; 'at least a gripping/retention head of said sheet, associated with said base frame by interposition of second movement means of said gripping/retention head, said second movement means being separate and independent from said first movement means.', 'wherein said machine comprises2. Machine according to claim 1 , wherein said second movement means comprise at least a first guide unit claim 1 , associated with said base frame and suitable for moving said gripping/retention head along a first direction substantially parallel to said work top.3. Machine according to claim 2 , wherein said second movement means comprise at least a second guide unit claim 2 , associated with said first guide unit sliding along said first direction and suitable for the movement of said gripping/retention head along a second direction substantially parallel to said work top and transversal to said first direction.4. Machine according to claim 3 , wherein said gripping/retention head comprises at least a slide associated with said second guide unit sliding along said second direction.5. Machine according to claim 1 , wherein said gripping/retention head has pressing means suitable for pressing said sheet on said work top.6. Machine according to claim 5 , wherein said pressing means comprise at least a resting plate moving vertically to rest on said sheet resting on said work top.7. Machine according to claim 1 , wherein said gripping/retention head has gripping means suitable for taking said ...