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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 2676. Отображено 100.
25-06-2018 дата публикации

Водоподающая станция

Номер: RU0000180815U1
Автор: Александр Григорьевич Жихарев
Принадлежит: Александр Григорьевич Жихарев

Полезная модель относится к водохозяйственному комплексу и предназначена для качественного обеспечения подачи воды в загородные дома, для полива приусадебных участков и использования в других целях в местах, где отсутствуют водопроводные сети и не осуществляется централизованное снабжение водой. Водоподающая станция состоит из герметичной емкости для воды 1, связанной с блоком управления 2, который соединен с электромагнитным клапаном 3, установленным на линии 4 подачи воды от насоса. На линии 5 выхода воды из емкости 1 установлены регулятор давления 6 и вентиль 7. В емкости 1 установлены датчики уровней воды 8 в емкости 1 HI - нижнего и Н2 - верхнего. В верхней части емкости 1 врезан штуцер с обратным клапаном 9, соединенным с воздушным компрессором 10, для подкачки воздуха в емкость 1. Электромагнитный клапан 3, датчики уровня 8 и компрессор10 подключены к блоку управления 2. Для подачи воды в систему полива установлен второй блок управления 11, связанный с линией 4 подачи воды и линией полива 12, снабженной вентилем 13. Блоки управления 2 и11 содержат регуляторы давления Р1, датчики «сухого хода» Р2 и электронные платы управления. Предлагаемая водоподающая станция позволяет обеспечить бесперебойное и стабильное снабжение потребителей водой как внутри дома, так и для полива приусадебного участка как одновременно, так и раздельно. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 180 815 U1 (51) МПК E03B 11/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК C03B 11/02 (2006.01) (21)(22) Заявка: 2018106998, 26.02.2018 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Жихарев Александр Григорьевич (RU) Дата регистрации: 25.06.2018 (56) Список документов, цитированных в отчете о поиске: RU 2215194 C2, 27.10.2003. RU 59162 U1, 10.12.2006. SU 1214866 A2, 28.02.1986. RU 7432 U1, 16.08.1998. (45) Опубликовано: 25.06.2018 Бюл. № 18 1 8 0 8 1 5 (54) ВОДОПОДАЮЩАЯ СТАНЦИЯ (57) Реферат: Полезная ...

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Номер записи: 1
21-06-2012 дата публикации

Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank

Номер: US20120151967A1
Автор: Hideki Isono, Shinji Eda
Принадлежит: Hoya Corp

There are provided, a method for efficiently manufacturing a glass substrate for magnetic disk in which the degree of surface irregularity of the principal surface is suppressed, and the glass substrate for magnetic disk. When manufacturing a glass substrate for magnetic disk including a pair of principal surfaces, a glass blank is formed by pressing molten glass or softened glass with planar press forming surfaces of dies in such a way that the molten glass or the softened glass is sandwiched from the both sides. Temperature condition is equalized around the pair of principal surfaces of the glass blank during the pressing.

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Номер записи: 2
27-09-2012 дата публикации

Solar concentrator and production method thereof

Номер: US20120241000A1
Автор: Alois Willke, Andreas Baatzsch, Hagen Goldammer, Lars Arnold, Peter Hühle, Wolfram Wintzer
Принадлежит: DOCTER OPTICS SE

The invention relates to a solar concentrator comprising a solid body consisting of a transparent material that has a light coupling surface and a light decoupling surface, the solid body having a light guide part that tapers towards the light decoupling surface, being located between the light coupling surface and the light decoupling surface and being delimited by a light guide surface between the light coupling surface and the light decoupling surface, the light guide surface merging into the light decoupling surface with a constant first derivation. The invention also relates to a method for the production of a solar concentrator, wherein the transparent material is precision-moulded between the moulds.

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Номер записи: 3
15-11-2012 дата публикации

Glass with sculpted area, touch sensor device using the same, mold and method for making the same

Номер: US20120287057A1
Автор: Kang Wei
Принадлежит: Weis Ltd

The present invention discloses an integrated glass including opposite outer and inner surfaces and a solid sculpted area formed either on the outer surface or the inner surface. The solid sculpted area includes a number of concave shapes or convex shapes which can be used to form letters, numbers or patterns for user decorating or identifying. Besides, a mold for fabricating the integrated glass, a method for making the integrated glass, and a touch sensor device with such integrated glass are also disclosed by the present invention.

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Номер записи: 4
13-06-2013 дата публикации

Method and Device for Manufacturing a Hollow Glass Item

Номер: US20130145797A1
Автор: BALITEAU Sebastien, Froissard Pascal, Lequien Jany
Принадлежит: POCHET DU COURVAL

A device for manufacturing a hollow glass item is provided. The device includes a mold having a cavity with a shape substantially corresponding to the outer shape of the glass item and a punch movable between a passive position outside the cavity and an active position inside the cavity, the punch including a hollow body having at least one raised or hollow pattern on at least one outer surface. A method and a punch are also provided. 1. A method for manufacturing a hollow glass item comprising the steps of:placing at least one drop of glass in a cavity of a mold;inserting a punch is inserted into the cavity of the mold;forming the glass item by using the punch and simultaneously forming at least one raised or hollow pattern on an inner surface of at least one wall of the glass item;removing the punch from the cavity of the mold, and stripping the glass item, the glass item including the at least one inner raised or hollow pattern.2. A punch for directly forming a hollow glass item comprising:a body including a tapered end portion, the end portion having at least one raised or hollow pattern on an outside surface.3. The punch according to claim 2 , wherein the raised or hollow pattern has a locally back-draft shape.4. The punch according to claim 2 , wherein the tapered end portion includes a draft angle comprised between 2° and 15° relative to an axis of the tapered end portion.5. The punch according to wherein the angle is between 2° and 10°.6. The punch according to wherein the angle is approximately 5°.7. A device for manufacturing a hollow glass item claim 1 , for carrying out the method according to claim 1 , comprising:a mold including a cavity with a shape corresponding to an outer shape of the glass item, anda punch including a body having a tapered end portion with at least one raised or hollow pattern on an outside surface,the punch being movable between a passive position outside the cavity and an active position inside the cavity.8. The device according ...

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Номер записи: 5
19-09-2013 дата публикации

SOLAR CONCENTRATOR

Номер: US20130239619A1
Автор: Arnold Lars, Goldammer Hagen, Wintzer Wolfram
Принадлежит: DOCTER OPTICS SE

A solar concentrator includes a solid body of a transparent material, which comprises a light coupling-in surface and a light coupling-out surface. A supporting frame and a light-transmitting part are located between the light coupling-in surface and the light coupling-out surface. 132-. (canceled)33. A method for manufacturing a solar concentrator , the method comprising:providing a mold for blank-molding a solar concentrator the mold comprising a first mold and at least one second mold; andblank-molding glass between the first mold and the second mold to form a solar concentrator having a light entry face, a light exit face, a support frame including an outer flange, as well as, arranged between the light entry face and the light exit face and tapering in the direction of the light exit face, a light passage guide portion, which is restricted by a light-passage-guide-portion surface between the light entry face and the light exit face, wherein the blank-molding is performed such that the outer flange is blank-molded at complete mold contact.34. The method as claimed in claim 33 , wherein the light exit face is blank-molded by means of the second mold.35. The method as claimed in claim 34 , wherein the glass is drawn into the second mold by means of a suction pressure prior to blank-molding.36. The method as claimed in claim 35 , wherein the solar concentrator claim 35 , after blank-molding is drawn out of the second mold by means of a suction pressure generated in the first mold.37. The method as claimed in claim 36 , wherein the solar concentrator is subsequently cooled in a suspended state.38. A method for manufacturing a solar concentrator claim 36 , the method comprising:providing a mold for blank-molding a solar concentrator having a light entry face, a light exit face, a support frame including an outer flange, as well as, arranged between the light entry face and the light exit face and tapering in the direction of the light exit face, a light passage guide ...

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Номер записи: 6
28-11-2013 дата публикации

MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC DISK, MANUFACTURING METHOD OF GLASS SUBSTRATE FOR MAGNETIC DISK, GLASS BLANK FOR MAGNETIC DISK, GLASS SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK

Номер: US20130316194A1
Автор: Isono Hideki, Murakami Akira, Sato Masamune, Sato Takashi, Tanino Hidekazu
Принадлежит: HOYA CORPORATION

To provide a method for manufacturing a glass blank for magnetic disk and a method for manufacturing a glass substrate for magnetic disk, which are capable of producing a glass blank for magnetic disk having a good surface waviness by press forming, and a method for manufacturing a glass substrate for magnetic disk. A method for manufacturing a glass blank for magnetic disk, which includes a forming process of press-forming a lump of molten glass using a pair of dies, wherein in the forming process, press forming is performed using thermally equalizing means for reducing a difference in temperature in the press forming surface of the die during pressing of the molten glass. 1. A method for manufacturing a glass blank for magnetic disk , the method comprising a forming process of press-forming a lump of molten glass using a pair of dies to obtain a sheet glass material , wherein in the forming process , a difference in temperature in a press forming surface of the die is controlled so that the surface waviness of the sheet glass material is equal to 30 nm or less.2. The method for manufacturing a glass blank for magnetic disk according to claim 1 , wherein thermally equalizing means reduces the difference in temperature in the press forming surface by heat-exhausting from the press forming surface and/or heating the press forming surface.3. The method for manufacturing a glass blank for magnetic disk according to claim 1 , wherein the thermally equalizing means is a heat sink.4. The method for manufacturing a glass blank for magnetic disk according to claim 3 , wherein the heat sink is provided on at least a part of the surface opposite to the press forming surface.5. The method for manufacturing a glass blank for magnetic disk according to claim 4 , wherein the heat sink is provided so that amount of heat exhausted from a central portion of the molten glass is larger than that from the circumferential edge portion of the molten glass during the press forming.6. The ...

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Номер записи: 7
30-01-2014 дата публикации

FORMING MOLD AND RELATED FORMING DEVICE AND FORMING METHOD USING SAME

Номер: US20140026618A1
Автор: Chung Chih-Ming, HSU Jung-Pin, LEE Chao-Hsien, LEE Tai-Hua
Принадлежит: G-TECH OPTOELECTRONICS CORPORATION

A forming mold made from a polyporous refractory material is provided for forming a glass piece. The forming mold includes an outer surface and a plurality of forming structures provided on the outer surface. Each of the forming structures includes a forming surface matching with a shape of the glass piece. The forming mold is structured and arranged to be pumped down from the outer surface to generated an absorption force on molten glass material provided at the at least one forming surface for sucking the molten glass material on the forming structure to form the glass piece. 1. A forming mold for forming a glass piece , the forming mold comprising:an outer surface; anda forming structure provided at the outer surface;wherein the forming mold is made from a polyporous refractory material, the forming structure comprises at least one forming surface matching with a shape of the glass piece, and the forming mold is structured and arranged to be pumped down from the outer surface to generate an absorption force on molten glass material provided at the at least one forming surface for sucking the molten glass material on the forming structure to form the glass piece.2. The forming mold of claim 1 , wherein the polyporous refractory material is selected from a group consisting of hexagonal boron nitride claim 1 , silicon dioxide claim 1 , aluminum oxide claim 1 , carbon having a hexagonal system claim 1 , and compound thereof.3. The forming mold of claim 1 , wherein the density of the forming mold is greater than or equal to 1.5 grams per cubic centimeter (g/cm) and less than or equal to 6.5 g/cm.412. The forming mold of claim 1 , wherein the melting point of the forming mold is greater than or equal to 1600° C. (degree centigrade).5. The forming mold of claim 1 , wherein the forming mold forms a plurality of micro-cavities communicating with each other in an interior of the forming mold and an outer surface of the forming mold claim 1 , the micro-cavities are evenly ...

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Номер записи: 8
06-02-2014 дата публикации

METHOD OF PRODUCING A SOLAR CONCENTRATOR

Номер: US20140033767A1
Автор: Arnold Lars, Goldammer Hagen, Wintzer Wolfram
Принадлежит:

A method for producing a solar concentrator, the method comprising providing an upper mold, adapted for molding a light exit face, providing a bottom mold, adapted for molding a light entry face, and blank molding the transparent material between the upper mold and the bottom mold to form a solar concentrator comprising a light entry face and a light exit face. 110.-. (canceled)11. A method for producing a solar concentrator , the method comprising:providing an upper mold, adapted for molding a light exit face;providing a bottom mold, adapted for molding a light entry face;drawing a transparent material in a liquid state into the bottom mold by means of a depression; andblank molding the transparent material between the upper mold and the bottom mold to form a solar concentrator comprising a light entry face, a light exit face and a light passage portion located between the light entry face and the light exit face, which light passage portion is restricted by a light passage portion surface between the light entry face and the light exit face.12. The method as claimed in claim 11 , wherein the depression is below 0.5 bar.13. The method as claimed in claim 11 , wherein the depression is generated in a hole of the bottom mold claim 11 , which hole opens out at the bottom-most position of the surface of the bottom mold.14. The method as claimed in claim 11 , wherein the surface of the bottom mold has at least one hole claim 11 , each claim 11 , at those positions at which the surface of the bottom mold has a local minimum claim 11 , wherein the depression is generated in the respective holes.15. The method as claimed in claim 11 , wherein the surface of the bottom mold has at least one hole claim 11 , each claim 11 , at those positions at which the bottom surface of the bottom mold extends horizontally claim 11 , wherein the depression is generated in the respective holes.16. The method as claimed in claim 15 , the method further comprising:withdrawing the solar ...

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Номер записи: 9
06-02-2014 дата публикации

Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk

Номер: US20140033768A1
Автор: Akira Murakami, Hidekazu TANINO, Hideki Isono, Masamune SATO, Masaru Onishi, Takashi Sato
Принадлежит: Hoya Corp

A method for manufacturing a glass substrate for magnetic disk is provided in which a glass is kept from being fused to a mold during press forming and shape processing to achieve a good circularity is efficiently performed. The method includes: a forming process of forming a disk-shaped glass blank by direct-pressing a molten glass by a pair of dies; and a shape processing process of performing at least one of inner hole formation and outer shape formation for forming a disk-shaped glass substrate by forming a cutting line on the principal face of the glass blank, followed by growing the cutting line to perform cutting. In the forming process, press forming is performed while the temperature of the pair of dies, over a period of time until a molten glass is separated from the die after coming into contact with the die, is set at a temperature lower than a glass transition point (Tg) and a mold release material is not attached to the surfaces of the pair of dies.

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Номер записи: 10
27-02-2014 дата публикации

AMORPHOUS ALLOY, MOLDING DIE, AND METHOD FOR PRODUCING OPTICAL ELEMENT

Номер: US20140053606A1
Автор: Fukushima Hirotaka, Midorikawa Satoko
Принадлежит: CANON KABUSHIKI KAISHA

An amorphous alloy contains 54 at % or more and 79 at % or less Re, 8 at % or more and 28 at % or less Ir, and 11 at % or more and 18 at % or less Nb. A molding die includes a release film composed of the amorphous alloy. A method for producing an optical element, the method including press-molding a glass preform with the molding die. 1. An amorphous alloy containing:54 at % or more and 79 at % or less Re;8 at % or more and 28 at % or less Ir; and11 at % or more and 18 at % or less Nb.2. A molding die comprising a release film composed of an amorphous alloy ,wherein the amorphous alloy contains:54 at % or more and 79 at % or less Re;8 at % or more and 28 at % or less Ir; and11 at % or more and 18 at % or less Nb.3. A method for producing an optical element claim 2 , the method including press-molding a glass preform with the molding die according to . 1. Field of the InventionThe present invention relates to an amorphous alloy, a molding die that includes the amorphous alloy and is used in a method for producing a camera lens or the like, and a method for producing an optical element with the molding die.2. Description of the Related ArtThe present invention relates to a molding die used in a method for producing an optical element such as a lens or a prism by press-molding a glass raw material.A technique for press-molding a glass raw material, which does not require grinding and polishing processes, offers a simple manufacturing process and realizes simple and low-cost production of lenses. Therefore, the press-molding technique has recently become widely used in production of, as well as lenses, prisms and other optical elements in general.Examples of properties required for a die material used for producing such glass optical elements by press-molding include high heat resistance, high chemical stability, a high hardness, good releasability, and good processibility.Many types of molding dies have been proposed so far. For example, Japanese Patent Laid-Open No. ...

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Номер записи: 11
13-03-2014 дата публикации

One-piece die mold for molding a glass article, such as a salad bowl or a similar container, having at least one through hole, associated manufacturing equipment and corresponding molding process

Номер: US20140072737A1
Автор: Pier Francesco Piccioni
Принадлежит: VETRERIA DI BORGONOVO SpA

Mold for manufacturing glass containers such as salad has at least one through hole through their walls with three distinct parts; a die defining the outer shape of the container adapted to receive a gob of glass in a plastic state; a plunger, the inner shape of the container to be molded; and a closing ring. The three parts are pressed onto one another to cause pressing and expansion of the glass gob in the cavity of the mold. The die has a monolithic construction of one piece, and the closing ring and the one-piece die have at least one protruding portion defining the shape of the through hole to be molded and formed in the container.

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Номер записи: 12
01-01-2015 дата публикации

Apparatus for forming a glass

Номер: US20150000339A1
Автор: Dae-Sik Hong, Jae-Seung Jeon, Jin-seok Jang, Jong-Hwan Kim, Kwan-Young Han, Seong-Jin Hwang
Принадлежит: Samsung Display Co Ltd

An apparatus for forming a glass, the apparatus including a lower mold and an upper mold is disclosed. The lower mold may be configured to support a central portion of a lower surface of the glass. The upper mold may be configured to make point contact with an edge portion of an upper surface of the glass. The upper mold may press the edge portion of the upper surface of the glass to form a rounded portion of the edge portion of the glass. An apparatus for forming a glass, the apparatus including: a lower mold configured to make point contact with an edge portion of a lower surface of the glass; and an upper mold configured to press an interior portion of the upper surface of the glass to form a rounded portion at the edge portion of the glass, is also disclosed.

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Номер записи: 13
05-01-2017 дата публикации

OPTICAL ELEMENT MOLDING MOLD SET AND OPTICAL ELEMENT MANUFACTURING METHOD

Номер: US20170001896A1
Автор: NAKAYA Norio
Принадлежит: OLYMPUS CORPORATION

An optical element molding mold set includes a first mold and a second mold that are opposite to each other, and a third mold that is located on an outer periphery of a cavity between the first mold and the second mold, and an inner peripheral surface of the third mold has different friction coefficients between one side and another side in an opposite direction of the first mold and the second mold. 1. An optical element molding mold set comprising:a first mold and a second mold that are opposite to each other; anda third mold that is located on an outer periphery of a cavity between the first mold and the second mold, whereinan inner peripheral surface of the third mold has different friction coefficients between one side and another side in an opposite direction of the first mold and the second mold.2. The optical element molding mold set according to claim 1 , whereinthe inner peripheral surface of the third mold has the different friction coefficients due to different surface roughness between the one side and the other side in the opposite direction.3. The optical element molding mold set according to claim 2 , whereinthe inner peripheral surface of the third mold includes a portion in which an arithmetic average roughness Ra is smaller than or equal to 50 nm and a portion in which the arithmetic average roughness Ra is greater than or equal to 200 nm.4. The optical element molding mold set according to claim 1 , whereinthe inner peripheral surface of the third mold has the different friction coefficients between the one side and the other side in the opposite direction due to coating being applied.5. The optical element molding mold set according to claim 4 , whereinthe coating is diamond-like carbon.6. The optical element molding mold set according to claim 1 , whereinfrom among a space on a side of the first mold and a space on a side of the second mold that sandwich the molding material at a point in time at which the molding material is pressurized so as ...

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Номер записи: 14
12-01-2017 дата публикации

COLD FORMED LAMINATES

Номер: US20170008377A1
Автор: Fisher William Keith, Friske Mark Stephen, Moyer Steven Luther, Rickerl Paul George
Принадлежит:

The principles and embodiments of the present disclosure relate generally to complexly curved laminates made from a complexly curved substrate and a flat substrate, such as automotive window glazings, and methods of cold forming complexly-curved glass products from a curved substrate and a flat substrate. In one or more embodiments, the laminate includes first complexly-curved glass substrate with a first surface and a second surface opposite the first surface, a second complexly-curved glass substrate with a third surface and a fourth surface opposite the third surface with a thickness therebetween; and a polymer interlayer affixed to the second convex surface and third surface, wherein the third surface and fourth surface have compressive stress values respectively that differ such that the fourth surface has as compressive stress value that is greater than the compressive stress value of the third surface. 1. A laminate comprising:a first complexly-curved glass substrate having a first surface, a second surface opposite the first surface, and a first thickness therebetween;a second complexly-curved glass substrate having a third surface, a fourth surface opposite the third surface, and a second thickness therebetween; anda polymer interlayer affixed to the second surface and third surface,wherein one of the first thickness and the second thickness is in the range of about 0.2 mm to about 0.7 mm and wherein the third and fourth surfaces respectively have compressive stress values such that the fourth surface has as compressive stress value that is greater than the compressive stress value of the third surface.2. The laminate of claim 1 , wherein the complexly-curved glass substrate having a thickness in the range of about 0.2 mm to about 0.7 mm is a chemically strengthened glass.3. The laminate of claim 1 , wherein the first complexly-curved glass substrate has a thickness in the range of about 1.4 mm to about 3.85 mm claim 1 , and the second complexly-curved ...

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Номер записи: 15
12-01-2017 дата публикации

FORMING APPARATUS AND FORMING METHOD USING THE SAME

Номер: US20170008791A1
Автор: CHAE Hong Ick, CHUNG Won Seok, JEONG Hyeon Cheol, JO Young Kyong, JUNG Seung Hwan, KIM Kyoung San, KIM Yong Ha, Park Jung Kyu, UH Sung Chan, YEOM Dae Ung
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

Provided are a forming apparatus for forming a part of a flat panel-shaped glass in a curved surface by selectively heating only a formation part, and a forming method using the same. The forming apparatus includes a transfer device configured to transfer material having a flat panel shape and a curved surface forming device configured to form at least one part of the material in a curved surface, wherein the curved surface forming device includes a forming mold on which the material is seated, a heating unit configured to heat the at least one part of the material by laser light, and a jig unit configured to form the at least one part of the material heated by laser light in a curved surface. 1. A forming apparatus comprising:a transfer device configured to transfer material having a flat panel shape; anda curved surface forming device configured to form at least one part of the material in a curved surface, a forming mold on which the material is seated;', 'a heating unit configured to heat the at least one part of the material by laser light; and', 'a jig unit configured to form the at least one part of the material heated by laser light in a curved surface., 'wherein the curved surface forming device includes2. The forming apparatus according to claim 1 , wherein the material includes one of glass and sapphire glass.3. The forming apparatus according to claim 1 , wherein the forming mold is provided to allow the material to be seated thereon to be subject to preheating claim 1 , forming claim 1 , and cooling.4. The forming apparatus according to claim 1 , wherein the forming mold includes a heater configured to preheat the material.5. The forming apparatus according to claim 1 , wherein the curved surface forming device further includes:a warming member disposed on the forming mold, and configured to maintain the material having been subject to the forming at a predetermined temperature for a predetermined period of time.6. The forming apparatus according to ...

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Номер записи: 16
27-01-2022 дата публикации

METHOD, SYSTEM, AND CHUCK FOR FORMING TIGHT BEND RADIUS GLASS SHAPES

Номер: US20220024798A1
Автор: Galgalikar Rohan Ram, Layouni Khaled, Liu Dani, Smith Kimberly Wilbert, Timmons Christopher Lee
Принадлежит:

Disclosed is a method of forming a glass article in which a glass sheet is bent over a forming surface of a chuck. The forming surface defines a first shape including a curvature having a radius of curvature of 1000 mm or less, and the glass sheet includes a first major surface in contact with the forming surface. A frame is adhered to a second major surface of the glass sheet. The frame includes a frame support surface defining a second shape including a second curvature having a second radius of curvature of 1000 mm or less. A total force is applied to the glass sheet so that the glass sheet forms a third shape including a third curvature having a third radius of curvature of 1000 mm or less. The third shape deviates from the second shape by 2 mm or less across the frame support surface. 1. A method of forming a glass article , comprising:bending a glass sheet over a forming surface, the forming surface defining a first shape comprising a first curvature having a first radius of curvature of 1000 mm or less and the glass sheet comprising a first major surface in contact with the forming surface and a second major surface opposite to the first major surface;adhering a frame to the second major surface of the glass sheet, the frame comprising a frame support surface defining a second shape comprising a second curvature having a second radius of curvature of 1000 mm or less;applying a total force to the glass sheet so that the glass sheet forms a third shape comprising a third curvature having a third radius of curvature of 1000 mm or less;wherein the third shape deviates from the second shape by 2 mm or less across the frame support surface.2. A system for forming a glass article , the glass article comprising a glass sheet adhered to a frame , the system comprising:a chuck comprising a forming surface including a first curvature having a first radius of curvature of 1000 mm or less;at least one retainer configured to apply a first force to the glass sheet to hold ...

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Номер записи: 17
15-01-2015 дата публикации

PRODUCTION METHOD FOR GLASSY CARBON MOLD

Номер: US20150017479A1
Автор: Ju Jong Hyun, Kim Seok Min, Kim Tae Hyoung, Seok Jong Won
Принадлежит:

The present invention relates to a production method for a glassy carbon mold, and, more specifically, relates to a production method for a glassy carbon mold including the steps of: placing a mixture having a thermosetting resin, a curing agent, and a viscosity adjusting solvent between a thermosetting resin substrate and a master pattern formed by a micro-nano process; pressing either the master pattern or the thermosetting resin substrate and applying heat to form a cured thermosetting resin pattern part on the substrate; and removing the master pattern, and subjecting the substrate and the cured thermosetting resin pattern. 1. A method for producing a glassy carbon mold comprising:disposing a mixture containing a thermosetting resin, a curing agent and a viscosity-controlling solvent between a master pattern formed by a micro/nano process and a thermosetting resin substrate;pressing and heating the master pattern or the thermosetting resin substrate to form a cured thermosetting resin pattern portion on the substrate; anddetaching the master pattern and carbonizing the substrate and the cured thermosetting resin pattern portion present thereon.2. The method according to claim 1 , wherein a thermosetting resin of the substrate undergoes the same contraction during the carbonization as a thermosetting resin of the pattern portion.3. The method according to claim 1 , wherein the thermosetting resin is selected from the group consisting of a furan resin claim 1 , a phenol resin claim 1 , and a polycarbodiimide resin and a thermosetting resin of the substrate is the same as a thermosetting resin of the pattern portion.4. The method according to claim 1 , wherein the curing of the thermosetting resin pattern portion is carried out by heating at 60 to 150° C. for 30 minutes to 3 hours.5. The method according to claim 4 , wherein the curing of the thermosetting resin pattern portion further comprises another curing performed by heating at 70 to 200° C.6. A method for ...

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Номер записи: 18
19-01-2017 дата публикации

Mold Apparatus of Lens Array and Method for Using the Same

Номер: US20170017018A1
Автор: Chao Choung-Lii, Chou Wen-Chen, Ma Kung-Jeng
Принадлежит:

A mold apparatus of a lens array and a method for using the same are provided. The mold apparatus includes an upper pressing die, a lower pressing die and a plate structure. The upper pressing die includes a plurality of upper engaging portions. The lower pressing die includes a plurality of lower engaging portions. The plate structure includes a plurality of through holes. A glass article is installed at the through hole. The glass article includes a first sectional width W The through hole includes an upper opening and a lower opening. The upper opening corresponds to the upper pressing die. The lower opening corresponds to the lower pressing die. The upper opening includes a second sectional width W The lower opening includes a third sectional width W Wherein W≧W or W≧W the glass articles are extruded by the mold apparatus to manufacture the lens array. 1. A mold apparatus of a lens array , comprising:{'b': 11', '115, 'an upper pressing die(), including a plurality of upper engaging portions();'}{'b': 12', '125, 'a lower pressing die(), including a plurality of lower engaging portions();'}{'b': 13', '11', '12', '13', '135', '8', '135', '8', '1', '135', '131', '132', '131', '11', '132', '12', '131', '2', '132', '3, 'a plate structure(), movably disposed between the upper pressing die() and the lower pressing die(), the plate structure() including a plurality of through holes() disposed thereon, with a glass article() installed at each of the through holes(), the glass article() including a first sectional width W, the through hole() including an upper opening() and a lower opening(), the upper opening() corresponding to the upper pressing die(), the lower opening() corresponding to the lower pressing die(), the upper opening() including a second sectional width W, the lower opening() including a third sectional width W;'}{'b': 115', '131', '8', '125', '132', '8', '11', '12, 'wherein the upper engaging portions() are disposed adjacent to the upper opening() and ...

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Номер записи: 19
16-01-2020 дата публикации

METHODS OF FORMING SHAPED GLASS ARTICLES FROM GLASS SHEETS

Номер: US20200016869A1
Автор: Park Marianne Griesback, Ridge John Richard, Ukrainczyk Ljerka
Принадлежит:

A method of forming a 3D glass article from a glass sheet includes locating the glass sheet on a mold assembly including a mold surface with a 3D surface profile corresponding to that of the 3D glass article. The glass sheet is heated to a forming temperature. The forming temperature is greater than a temperature of the mold surface. The heated glass sheet is forced onto the mold surface by applying a pressurized gas to a first surface of the glass sheet opposite the mold surface to conform the glass sheet to the mold surface with the glass sheet at the forming temperature that is greater than the temperature of the mold surface. 1. A 3D article formed from a glass sheet , the article comprising:a glass layer comprising a non-planar formation formed using a mold assembly comprising a mold surface with a 3D surface profile corresponding to that of the 3D glass article; anda polymer layer applied to a surface of the glass layer with the glass layer in the non-planar formation;wherein the glass sheet is formed into the non-planar formation at a forming temperature that is higher than a temperature of the mold surface.2. The article of claim 1 , wherein the polymer layer is an overmolded layer that is overmolded onto the glass layer.3. The article of claim 1 , wherein the polymer layer is laminated onto the glass layer.4. The article of claim 2 , further comprising an adhesive layer between the polymer layer and the glass layer.5. The article of claim 1 , wherein the polymer layer introduces a compressive stress in the glass layer.6. The article of claim 1 , wherein the glass layer comprises a thickness of no more than about 0.3 mm. This application is a divisional of Ser. No. 15/504,133 filed on Feb. 15, 2017, which is a national stage entry of International Patent Application Serial No. PCT/US15/45457 filed on Aug. 17, 2015, which claims the benefit of priority to U.S. Application No. 62/039,552 filed on Aug. 20, 2014 the content of each are incorporated herein by ...

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Номер записи: 20
26-01-2017 дата публикации

METHOD FOR FORMING A HOT GLASS SHEET WITH TRANSVERSE CURVATURE

Номер: US20170022087A1
Автор: Nitschke David B., Nitschke Dean M.
Принадлежит:

A glass sheet press forming station () and method for press forming hot glass sheets with transverse curvature is performed by initially limiting the central forming of a glass sheet (G) between its end portions upon pickup from a roll conveyor to an upper mold () and prior to press forming with an associated lower mold () to prevent central area optical distortion of the press formed glass sheet. 1. A method for forming a hot glass sheet having a pair of spaced end portions with distal extremities and also having an intermediate portion extending between its end portions , the method comprising:conveying the hot glass sheet on a conveyor into a heated chamber of a forming station to below an upper mold that is located above the conveyor and has a downwardly facing surface that has a downwardly convex shape with curvature in transverse directions;moving the upper mold downwardly from an upper position to a lower position adjacent the glass sheet on the conveyor and operating a gas lift jet array to provide upwardly directed gas lift jets as the sole impetus for lifting the glass sheet from the conveyor and contacting the intermediate portion of the glass sheet with the downwardly facing surface of the upper mold for less than 50% of the distance between the distal extremities of the end portions of the glass sheet, and then moving the upper mold and the glass sheet upwardly to the upper position of the upper mold;then moving a lower mold having a ring shape, that faces upwardly with a concave shape in transverse directions complementary to the downwardly convex shape of the downwardly facing surface of the upper mold, horizontally within the heated chamber to a location above the conveyor and below the upper mold in its upper position with the glass sheet supported on the upper mold and subsequently moving the upper mold downwardly and drawing a vacuum at the downwardly facing surface of the upper mold to press form the glass sheet between the upper and lower molds ...

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Номер записи: 21
24-01-2019 дата публикации

Method of Manufacturing a Plurality of Glass Members, a Method of Manufacturing an Optical Member, and Array of Glass Members in a Glass Substrate

Номер: US20190023600A1
Автор: Breymesser Alexander, Brockmeier Andre, Santos Rodriguez Francisco Javier, von Koblinski Carsten, Zorn Peter
Принадлежит:

An array of glass members is arranged in a glass substrate includes a plurality of depressions formed in a first main surface of the glass substrate, and a plurality of openings formed in a second main surface of the glass substrate. 1. An array of glass members arranged in a glass substrate , comprising:a plurality of depressions formed in a first main surface of the glass substrate; anda plurality of openings formed in a second main surface of the glass substrate.2. The array of glass members according to claim 1 , wherein the glass members are optical components claim 1 , a surface portion of the glass substrate defining the depression implementing an active surface of an optical component.3. The array of glass members according to claim 2 , wherein each of the depressions extend towards the second main surface and are disposed between thicker sections of the glass substrate.4. The array of glass members according to claim 2 , wherein each of the depressions extend away from a planar outer surface portion of the first main surface.5. The array of glass members according to claim 4 , wherein at least one of the depressions has a trapezoid shape.6. The array of glass members according to claim 4 , wherein at least one of the depressions has a semi-circle shape.7. The array of glass members according to claim 3 , wherein the openings extend towards the first main surface and are disposed within the thicker sections of the glass substrate.8. The array of glass members according to claim 7 , wherein each one of the thicker sections comprises two of the openings.9. The array of glass members according to claim 3 , wherein each one of the openings is configured as a kerf that defines a perimeter of each optical component.10. The array of glass members according to claim 9 , wherein each one of the kerfs have an enclosed shape.11. A glass substrate claim 9 , comprising:a first main surface;a second main surface opposite from the first main surface;a plurality of ...

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Номер записи: 22
17-02-2022 дата публикации

SYSTEMS AND METHODS FOR MOLDING CHALCOGENIDE GLASS INTO A NEAR-NET SHAPED PART

Номер: US20220048803A1
Автор: Knowles Dennis, Leite Joseph, Novak Spencer
Принадлежит:

A method of fabricating a shaped optical element for refracting infrared light. The method can include providing a chalcogenide glass mass within a precision mold, the chalcogenide glass mass having a starting volume that is equal to or less than about 105% of the volume of the shaped optical element, precision molding the chalcogenide glass mass by providing heat and pressure to form the chalcogenide glass mass into a near-net shaped optical element, removing the near-net shaped optical element from the precision mold, and refining the near-net shaped optical element to generate the shaped optical element, the outside diameter of the near-net shaped optical element being less than or equal to 25 μm larger than an outside diameter of the shaped optical element. The near-net shaped optical element can have an outside diameter less than 20 μm greater than the outside diameter of the shaped optical element. 1. A method of fabricating a shaped optical element for refracting infrared light , the method comprising:providing a chalcogenide glass mass within a precision mold, the chalcogenide glass mass having a starting volume that is equal to or less than about 105% of the volume of the shaped optical element;precision molding the chalcogenide glass mass by providing heat and pressure to form the chalcogenide glass mass into a near-net shaped optical element;removing the near-net shaped optical element from the precision mold; andrefining the near-net shaped optical element to generate the shaped optical element.2. The method of claim 1 , wherein said refining the near-net shaped element comprises diamond turning the near-net shaped optical element to form the shaped optical element.3. The method of claim 1 , wherein said refining the near-net shaped element comprises grinding and/or polishing the near-net shaped optical element to form the shaped optical element.4. The method of claim 1 , wherein said refining the near-net shaped element comprises removing unwanted ...

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Номер записи: 23
04-02-2021 дата публикации

METHOD AND SYSTEM FOR COLD-FORMING GLASS

Номер: US20210032150A1
Автор: Cho Dongyoung, CHOI Hyun-soo, KIM Ki-nam, Kim Shin
Принадлежит:

Disclosed are embodiments of a method of forming a curved glass article. In the method, a mold having a curved surface is provided. A self-adhesive layer is disposed on the curved surface. A glass sheet is bent into conformity with the curved surface at a temperature less than the glass transition temperature of the glass sheet. The glass sheet includes a first major surface and a second major surface in which the second major surface is opposite to the first major surface. The first major surface is adhered to the self-adhesive layer. A frame is bonded to the second major surface of the glass sheet, and the glass sheet is removed from the self-adhesive layer. A system for performing the method and a mold having a self-adhesive layer are also disclosed. 1. A method of forming a curved glass article , comprising:bending a glass sheet at a temperature less than the glass transition temperature of the glass sheet to confirm with a curved surface of a mold comprising a self-adhesive layer disposed on the curved surface, wherein the glass sheet comprises a first major surface and a second major surface, wherein the second major surface is opposite to the first major surface, and wherein the first major surface is adhered to the self-adhesive layer;bonding a frame to the second major surface of the glass sheet;removing the glass sheet from the self-adhesive layer.2. The method of claim 1 , wherein bonding further comprising applying an adhesive to the frame or to the second major surface of the glass sheet claim 1 , positioning the frame on the second major surface claim 1 , and curing the adhesive.3. The method of claim 2 , wherein the adhesive comprises at least one of a toughened adhesive claim 2 , a flexible epoxy claim 2 , an acrylic claim 2 , a urethane claim 2 , or a silicone.4. The method of claim 1 , wherein the self-adhesive layer comprises at least one of a polyurethane claim 1 , a silicone claim 1 , an acrylic claim 1 , a polyester claim 1 , a polyolefin claim ...

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Номер записи: 24
24-02-2022 дата публикации

DEVICE FOR HOLDING A GLASS PREFORM

Номер: US20220055938A1
Автор: ALTENDORFER Bernhard
Принадлежит:

The invention relates to a device for supportingly holding, and moving, a glass preform, such as a gob, wherein the device has a carrier device, at least one rod-shaped support element, which during operation is substantially vertically aligned, wherein, at its upper end, the rod-shaped support element opens into at least one point-shaped upwardly directed support surface; and/or the device has at least one support element which during operation is substantially vertically aligned, has a substantially inverted U-shape, and has a support surface which is upwardly directed and connects the substantially vertically extending vertical portions of the support element. 1. A device for supportingly holding and moving a glass preform , the device comprising: at least one rod-shaped support element which is oriented substantially vertically aligned during operation, the at least one rod-shaped support element terminating at its upper end in at least one point-shaped upwardly directed support surface; and', 'at least one substantially vertically oriented and substantially inverted U-shaped support element having an upwardly directed support surface connecting the substantially vertically extending vertical portions of the support element., 'a carrier device;'}2. The device according to claim 1 ,whereinthe at least one rod-shaped support element has at its upper end at least two extensions which each open into a point-shaped upwardly directed support surface.3. The device according to claim 2 ,whereinthe at least one rod-shaped support element is substantially Y-shaped or is formed with an inverted tripod, wherein each of the extensions opens in a respective point-shaped upwardly directed support surface.4. The device according to claim 1 ,whereinthe device comprises at least two rod-shaped support elements or at least one substantially inverted-U-shaped support element, the respective support surfaces of the support elements arranged in a common plane.5. The device according ...

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Номер записи: 25
07-02-2019 дата публикации

METHOD AND APPARATUS FOR TRANSPORT OF A GLASS SUBSTRATE

Номер: US20190039839A1
Автор: Brown James William, Cavallaro, III Nicholas Dominic, Sakona Dean George, Yaldo Jeremy, Zhou Naiyue
Принадлежит:

An apparatus and method for guiding a glass substrate positioned in a vertical orientation into a downstream process. A pair of guide arms move with the glass substrate and constrain lateral movement of an otherwise unsupported bottom edge of the glass substrate. Sensors sense a position of the glass substrate, while a controller calculates a speed of the glass substrate in a conveyance direction and positions the guide arms. 1. An apparatus for constraining lateral movement of a glass substrate conveyed in a substantially vertical orientation , comprising:a conveyance member;a carriage assembly coupled to the conveyance member and movable along a length of the conveyance member in a conveyance direction, the carriage assembly including first and second guide arms extending therefrom in a direction substantially parallel with the conveyance direction, the guide arms movable along a lateral direction orthogonal to the conveyance direction;a first sensor positioned to detect a leading edge of the glass substrate at a first position; anda controller configured to control and coordinate movement of the carriage assembly and the pair of extension devices.2. The apparatus according to claim 1 , wherein the carriage assembly further comprises first and second extension devices claim 1 , the first and second guide arms coupled to the first and second extension devices claim 1 , respectively.3. The apparatus according to claim 1 , wherein each guide arm comprises a plurality of rollers rotatably mounted along a length of the guide arm.4. The apparatus according to claim 1 , wherein each guide arm comprises a plurality of gas vents in fluid communication with a source of pressurized gas.5. The apparatus according to claim 1 , wherein the first sensor comprises an optical sensor.6. The apparatus according to claim 1 , further comprising a second sensor positioned to detect a leading edge of the glass sheet at a second position downstream of the first position relative to the ...

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Номер записи: 26
06-02-2020 дата публикации

THERMAL BENDING MACHINE AND GLASS THERMAL BENDING DEVICE

Номер: US20200039864A1
Автор: Su Wei, Xu Bo, Yuan Yuqin
Принадлежит:

The present disclosure provides a thermal bending machine and a glass thermal bending device. The thermal bending machine comprising an upper die and a lower die matched with each other, the upper die comprising an upper clamping surface close to the lower die and a pressure receiving surface opposite to the clamping surface, the lower die comprising a lower clamping surface matched with the upper clamping surface and a bearing surface facing away from the upper die. The thermal bending machine further comprises a movable pushing member abutting against the lower extending portion and a movable driving member abutting against the upper extending portion, the moving direction of the movable pushing member is a direction in which it moves towards the lower mold plate, and the moving direction of the movable driving member is a direction in which it pushes the upper die to move towards the upper mold plate. 1. A thermal bending machine comprising a thermal bending mold , the thermal bending mold comprising an upper die and a lower die matched with each other , the upper die comprising an upper clamping surface close to the lower die and a pressure receiving surface opposite to the clamping surface , the lower die comprising a lower clamping surface matched with the upper clamping surface and a bearing surface facing away from the upper die; wherein the thermal bending machine further comprises an upper mold plate which is arranged on one side of the pressure receiving surface of the upper die and is configured to push the upper die , and a lower mold plate which is opposite to the upper mold plate and is configured to abut against the bearing surface , and the thermal bending machine is characterized in that:the upper clamping surface comprises an upper clamping portion and an upper extending portion extending from the edge of the upper clamping portion, and the lower clamping surface comprises a lower clamping portion corresponding to the upper clamping portion and a ...

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Номер записи: 27
25-02-2021 дата публикации

VESSEL COMPRISING AN ACCOMMODATED METAL ELEMENT AND METHOD OF PRODUCTION THEREOF

Номер: US20210052093A1
Автор: Fritz Christoph
Принадлежит:

The invention relates to a vessel which accommodates a metal element in its base, wherein the vessel comprises a lower recess in the base which accommodates the metal element, wherein the metal element is bonded to the base by means of a transparent adhesive at the bottom of the recess and is embedded by a transparent plastic which fills up a remaining area of the recess. The invention further relates to a method for producing a vessel. 2. Vessel according to claim 1 ,wherein the height of the truncated cone and the diameter of its base surface and the diameter of its top surface are each selected in such a predetermined manner that a half aperture angle of the truncated cone and of the recess, respectively is between 20 and 23 degrees.3. Vessel according to claim 2 , wherein the metal element is substantially formed as a flat cylinder with a height and a diameter claim 2 ,wherein the height of the metal element approximately corresponds to the depth of the recess and is preferably slightly smaller than the depth of the recess, wherein the diameter of the metal element approximately corresponds to the diameter of the bottom of the recess and is slightly smaller than the diameter of the bottom of the recess,wherein the plastic which fills up the recess together with the metal element and which encloses the metal element has a thickness such that its lower level approximately corresponds to the lower surface of the base, whereby the metal element is covered by a plastic layer having a thickness of 0.5 mm to 2 mm.4. Vessel according to claim 1 , wherein the vessel is made of glass claim 1 , and the metal element is a neodymium magnet with a coppernickel coating.5. Vessel according to claim 1 , wherein the plastic which fills the recess together with the metal element and encloses the metal element is a polyurethane with a polyol and isocyanate component which are selected such that the plastic in the cured state adheres to the vessel and the metal element claim 1 , and ...

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Номер записи: 28
26-02-2015 дата публикации

GLASS-FORMING TOOLS AND METHODS

Номер: US20150052950A1
Автор: Feng Jiangwei, Ukrainczyk Ljerka
Принадлежит:

Refractory glass-forming tools, including glass-forming molds incorporating protective metal nitride surface coatings, with optional alumina barrier layers disposed between the mold bodies and coating for high-temperature nitride coating stability, offering particular advantages for the manufacture by direct molding of optically finished glass products such as information display cover glasses from refractory alkali aluminosilicate glasses at molding temperatures up to and above 800° C. 123-. (canceled)24. A method for making a glass article having an optical surface finish , the method comprising the steps of providing a charge of a softened silicate glass and shaping the charge into a glass article using a mold , wherein the silicate glass is an aluminosilicate glass having an alkali metal oxide content in excess of 5 weight percent and the mold comprises a metallic molding surface provided with a metal nitride surface coating resistant to alkali corrosion and oxidation damage up to a temperature of at least 800° C.25. A method in accordance with wherein the silicate glass is an aluminosilicate glass having an alkali metal oxide content of at least of 10 weight percent and a softening temperature of at least 800° C.26. A method in accordance with wherein the molding surface consists predominantly of a metal selected from the group consisting of iron claim 24 , nickel claim 24 , chromium claim 24 , and mixtures and alloys thereof claim 24 , and wherein the surface coating consists predominantly of titanium aluminum nitride.27. A method in accordance with wherein a diffusion barrier layer comprising amorphous aluminum oxide is provided between the molding surface and the surface coating.28. A method in accordance with wherein the glass article is a glass sheet and wherein the surface coating has an RMS surface roughness not exceeding 25 nm.29. A method in accordance with wherein the glass sheet is substantially free of optical defects claim 28 , and wherein the step ...

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Номер записи: 29
25-02-2021 дата публикации

MOLD FOR MOLDING WAFER-LEVEL LENS AND METHOD FOR MOLDING WAFER-LEVEL LENS

Номер: US20210053860A1
Автор: Holme Niels Christian Roemer, Nielsen Peter Krohne, Pan Zhengmin Banjamin, Zhu Bingke
Принадлежит:

Provided is a mold, including: a lower mold matching and molding a convex surface, and an upper mold corresponding to the lower mold. The lower mold includes a first lens molding surface right facing the upper mold. A molding cavity is formed between the first lens molding surface and the upper mold. The first lens molding surface recesses towards a direction facing away from the upper mold to form recessed portions and grooves surrounding the recessed portions. The groove is in communication with the recessed portion. Two adjacent grooves are in communication with each other. An exhaust passage is formed in the first lens molding surface. The exhaust passage communicates with the grooves and extends to an outer edge of the lower mold. In a process of molding the lens, air in the recessed portion is discharged to an outside of the mold through the groove and the exhaust passage. 1. A mold for molding a wafer-level lens , the lens having a convex surface on at least one side , wherein the mold comprises:a lower mold correspondingly matching and molding the convex surface; andan upper mold corresponding to the lower mold,wherein the lower mold comprises a first lens molding surface right facing the upper mold, and a molding cavity is formed between the first lens molding surface and the upper mold;the first lens molding surface recesses towards a direction facing away from the upper mold to form a plurality of recessed portions and a plurality of grooves surrounding the plurality of recessed portions, each of the plurality of grooves is in communication with a corresponding one of the plurality of recessed portions, and two adjacent grooves of the plurality of grooves are in communication with each other;an exhaust passage is formed in the first lens molding surface, and the exhaust passage communicates with the plurality of grooves and extends to an outer edge of the lower mold; andin a process of molding the lens, air in each of the plurality of recessed portions is ...

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Номер записи: 30
05-03-2015 дата публикации

LIGHTGUIDE

Номер: US20150061167A1
Автор: Boyd Gary T., Kinder Brian A., Solomon Jeffrey L.
Принадлежит:

Flexible unitary lightguide and a method of making the same are disclosed. The lightguide includes a structured input side that includes a first pattern having smaller features superimposed on a second pattern having larger features. The lightguide further includes a structured top surface that includes a first region and a different second region. The first region includes a plurality of discrete light extractors for extracting light that propagates within the flexible unitary lightguide by total internal reflection. The second region includes a taper portion for directing light from the structured input side to the first region. The light extractors form a periodic array that has a first period along the length of the flexible unitary lightguide. The first period is such that substantially no visible moire fringes occur when the flexible unitary lightguide is used as a backlight in a pixelated display. 1. A method of fabricating a lightguide comprising the steps of:(a) providing a first tool; (i) patterning a first region of the first tool using a first patterning method to form a first patterned region; and', '(ii) patterning a second region of the first tool, different than the first region of the first tool, using a second patterning method different than the first patterning method to form a second patterned region;, '(b) forming a patterned first tool by(c) replicating the patterned first tool into a lightguide material to form a lightguide comprising a first replicated region corresponding to the first patterned region of the patterned first tool and a second replicated region corresponding to the second patterned region of the patterned first tool; and(d) cutting the lightguide to form a structured input side comprising a first pattern having smaller features superimposed on a second pattern comprising larger features.2. The method of claim 1 , wherein the first patterning method comprises an engraving method and the second patterning method comprises a ...

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Номер записи: 31
04-03-2021 дата публикации

FIDUCIALS FOR PRECISION OPTICS MOLDING

Номер: US20210060824A1
Автор: Mertus Lou, Novak Spencer, Symmons Alan
Принадлежит:

Methods and mold designs provide for fiducials in molding glass optical elements, such as glass lenses. A mold for use in the fabrication of a lens can include a first part of the mold including a first molding surface corresponding to a first surface of said lens, and a second part of the mold including a second molding surface corresponding to a second surface of said lens, the first and second part of the mold configured to apply pressure to a moldable material in at least one cavity therebetween, at least one marking structure located on at least one of the first part of the mold, the second part of the mold, or both, the at least one marking structure configured to form at least one fiducial in the molded structure. Such techniques are applicable to precision glass molding. 1. A mold for use in the fabrication of a lens , the mold comprising:a first part of the mold including a first molding surface having at least a portion thereof that is curved such that said first molding surface provides curvature to a corresponding first optical surface of said lens having at least a portion thereof that is curved; anda second part of the mold including a second molding surface corresponding to a second surface of said lens, the first part of the mold, the second part of the mold, or both configured to move toward each other to apply pressure to a moldable material in at least one cavity therebetween to thereby form a molded structure from the moldable material from which said lens can be obtained,at least one marking structure located on at least one of the first part of the mold, the second part of the mold, or both, the at least one marking structure configured to form at least one fiducial in the molded structure.2. (canceled)3. (canceled)4. The optical mold of claim 1 , wherein the curved portion of the first molding surface has a shape conforming to an area on a rotationally symmetrical surface.5. The optical mold of claim 1 , wherein the curved portion of the first ...

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Номер записи: 32
28-02-2019 дата публикации

METHOD OF CONVEYING PRODUCT, PRODUCT CONVEYANCE APPARATUS, METHOD OF PRODUCING OPTICAL ELEMENT, OPTICAL ELEMENT PRODUCTION APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM

Номер: US20190062192A1
Автор: Ezawa Mitsuharu
Принадлежит:

A product conveyance apparatus includes an actuator, a movement portion, a first position detection portion, a second position detection portion, and a controller. The controller performs a process of causing the actuator not holding a product to move to a predetermined position, detecting the position of the actuator and storing the position as a first position, a process of causing the actuator to move on a basis of a movement instruction value and hold the product, causing the actuator holding the product to move to the predetermined position, detecting the position of the product held by the actuator, and storing the position as a second position, and a process of correcting and updating the movement instruction value on a basis of difference between the first position and the second position. 1. A method of conveying a product by using a robot comprising an actuator configured to hold the product , a movement portion configured to move the actuator , a first position detection portion configured to detect a position of the actuator , a second position detection portion configured to detect a position of the product held by the actuator , and a controller configured to control the actuator , the movement portion , the first position detection portion , and the second position detection portion ,the method comprising:a first position storing step in which the controller causes the actuator not holding the product to move to a predetermined position, detects the position of the actuator by the first position detection portion, and stores the position detected by the first position detection portion as a first position;a holding step in which the controller causes the actuator to move on a basis of a movement instruction value that is stored in advance and hold the product;a second position storing step in which the controller causes the actuator that has held the product in the holding step to move to the predetermined position, detects the position of the product ...

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Номер записи: 33
29-05-2014 дата публикации

APPARATUS AND METHOD FOR SHAPING A GLASS SUBSTRATE

Номер: US20140144182A1
Автор: Dannoux Thierry Luc Alain, Fredholm Allan Mark
Принадлежит:

An apparatus and method for shaping a substantially planar glass substrate are disclosed. The glass substrate is supported on a shaping body having a substantially planar central portion and arcuate edge portions. The substrate is heated by a suitable radiant heat source wherein a thermal shield is used to shield a centrally located surface of the glass substrate so that only edge portions of the glass substrate are heated and softened. Gravity causes the glass substrate edge portions to sag and conform to the shape of the shaping body. In some embodiments, shaping members are pressed against the glass substrate edge portions to aid in the conforming. In certain other embodiments, a plurality of glass substrates are sequentially deformed by a shaping die. 1. A method for shaping a glass substrate comprising:positioning a substantially planar glass substrate between a shaping body and a thermal shield, the shaping body having a contact surface in contact with the glass substrate and wherein the shaping body contact surface comprises a planar central portion and an arcuate edge portions;heating the substantially planar glass substrate with a heat source positioned above the thermal shield wherein, during the heating, the thermal shield shields a central portion of the substantially planar glass substrate from thermal radiation emitted by the heat source, but exposes edge portions of the substantially planar glass substrate to the thermal radiation so that only edge portions of the glass substrate soften from the heating; andwherein the heating causes the edge portions of the glass substrate to deform and contact the shaping body edge portions while the central portion of the substrate remains substantially planar.2. The method according to claim 1 , wherein the thermal shield contacts the substantially planar glass sheet during the heating.3. The method according to claim 1 , further comprising pressing a shaping members against an edge portions of the substantially ...

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Номер записи: 34
29-05-2014 дата публикации

Optical Element Production Method And Optical Element

Номер: US20140147633A1
Автор: Ashida Shuhei
Принадлежит: Konica Minolta Advanced Layers, Inc.

Method of manufacturing an optical element capable of providing a satisfactory shape accuracy even where a plurality of optical elements are molded. By providing a protruding portion to change the flow of molten glass drop GD for an optical element with a forming mold , it is possible to make the glass drop GD for an optical element flow along an optical surface transferring surface in the vicinity of edge side close to the drop point of the glass drop GD for an optical element, among the optical surface transferring surfaces . According to this, even where a plurality of glass lenses are collectively molded, it is possible to transfer an optical function surface of the glass lens to each optical surface transferring surface with a high accuracy and to collectively manufacture the glass lenses with a satisfactory shape accuracy. 1. A method of manufacturing an optical element comprising:a dropping step of dropping a molten glass drop to one mold, which has a plurality of optical surface transferring surfaces corresponding to a plurality of optical elements, among a pair of molds; anda molding step of press-molding by coupling the one mold with the other mold,wherein the one mold has a protruding portion, which changes the flow of the glass drop, at a portion corresponding to a mold surface other than the plurality of optical surface transferring surfaces.2. The method of manufacturing an optical element according to claim 1 ,wherein a flat mold surface is formed between the plurality of optical surface transferring surfaces and the protruding portion.3. The method of manufacturing an optical element according to claim 2 ,wherein the flat mold surface is a connection surface transferring surface which connects the plurality of optical surface transferring surfaces.4. The method of manufacturing an optical element according to claim 1 ,wherein the protruding portion is provided at a drop position in which the glass drop is dropped in the dropping step.5. The method of ...

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Номер записи: 35
19-03-2015 дата публикации

MOULD-SUPPORTING SYSTEM FOR A MACHINE FOR FORMING HOLLOW GLASSWARE

Номер: US20150075225A1
Автор: GENNARI Marco, SASSO Daniele
Принадлежит:

A mould-supporting system for a machine for forming hollow glassware includes a supporting structure, and a first carriage and a second carriage, which are slidably mounted, respectively, on a first bar and a second bar of the supporting structure, and, moreover, are slidably mounted on a third bar of the supporting structure, common to the two carriages, the first and second carriages carrying, respectively, a first mould-carrier arm and a second mould-carrier arm. Mutual displacement of the first and second carriages is controlled between a position where they are set close to one another and a corresponding position where they are set apart. The first and second carriages have a first tubular portion that engages, respectively, the first and second bars via first sliding means, and a second tubular portion that engages the third bar via second sliding means. The second sliding means enable adjustment of the position of the second tubular portion in a direction transverse to the third bar 1. A mould-supporting system for a machine for forming hollow glassware , comprising:a supporting structure;a first carriage and a second carriage, which are slidably mounted, respectively, on a first bar and a second bar of said supporting structure, and, are slidably mounted on a third bar of said supporting structure, common to the two carriages, said first and second carriages carrying, respectively, a first mould-carrier arm and a second mould-carrier arm; andmeans for controlling mutual displacement of said first and second carriages between a position where they are set close to one another and a corresponding position where they are set apart,wherein said first and second carriages comprise a first tubular portion that engages, respectively, said first and second bars Via first sliding means, and a second tubular portion that engages said third bar via second sliding means,said second sliding means are configured for enabling said second tubular portion to move freely, ...

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Номер записи: 36
19-03-2015 дата публикации

Mould-supporting system for a machine for forming hollow glassware

Номер: US20150075226A1
Автор: Daniele Sasso, Marco Gennari
Принадлежит: BDF HOLDINGS SpA

A mould-supporting system for a machine for forming hollow glassware, includes a supporting structure, a first carriage and a second carriage, which are slidably mounted respectively on a first bar and a second bar of the supporting structure, and carry, respectively, a first mould-carrier arm and a second mould-carrier arm. A mutual displacement of the first and second carriages between a position where they are set close to one another and a corresponding position where they are set apart is controlled. On one between the first and second carriages, means are provided for guiding the other between the first and second carriages during their mutual displacement.

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Номер записи: 37
05-06-2014 дата публикации

SINGLE-CRYSTAL SILICON PULLING SILICA CONTAINER AND PRODUCING METHOD THEREOF

Номер: US20140150715A1
Автор: YAMAGATA Shigeru
Принадлежит: SHIN-ETSU QUARTZ PRODUCTS CO., LTD.

A single-crystal silicon pulling silica container includes: a transparent layer made of transparent silica glass in an inner side of the silica container, and an opaque layer made of opaque silica glass containing gaseous bubbles in an outer side of the silica container, wherein the transparent layer is constituted of a high-OH group layer that is placed in an inner surface side of the silica container and contains the OH group at a concentration of 200 to 2000 ppm by mass and a low-OH group layer that has the OH group concentration lower than that of the high-OH group layer, and Ba is applied to the inner surface of the high-OH group layer at a concentration of 25 to 1000 μg/cm. 15-. (canceled)6. A single-crystal silicon pulling silica container comprising: a transparent layer made of transparent silica glass in an inner side of the silica container , and an opaque layer made of opaque silica glass containing gaseous bubbles in an outer side of the silica container ,wherein the transparent layer is constituted of a high-OH group layer that is placed in an inner surface side of the silica container and contains the OH group at a concentration of 200 to 2000 ppm by mass and a low-OH group layer that has the OH group concentration lower than that of the high-OH group layer, and{'sup': '2', 'Ba is applied to the inner surface of the high-OH group layer at a concentration of 25 to 1000 μg/cm.'}7. The single-crystal silicon pulling silica container according to claim 6 , wherein a thickness of the high-OH group layer is 0.5 mm or more and 3 mm or less.8. The single-crystal silicon pulling silica container according to claim 6 , wherein the concentration of the OH group contained in the high-OH group layer is a concentration of 300 to 1500 ppm by mass claim 6 , and the concentration of Ba applied to the inner surface of the high-OH group layer is 60 to 500 μg/cm.9. The single-crystal silicon pulling silica container according to claim 7 , wherein the concentration of the ...

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Номер записи: 38
07-03-2019 дата публикации

GLASS TILE INCLUDING METHOD OF MAKING

Номер: US20190071341A1
Автор: Hartman Terry
Принадлежит:

The present disclosure relates to a glass tile and a method of making a glass tile using a glass pressing technique. The glass tile may include a tile body of substantially homogenous glass material, an annular rim extending in a marginal portion of the tile body, and a cavity provided in a central portion of the tile body such that the glass tile forms a multi-sided compartment. A predefined texture may be disposed on at least part of the glass tile to provide a desired visual effect and/or a desired optical effect. The glass tile may be incorporated into a decorative assembly or structure such as flooring, roofing, doors and windows, landscaping and facades, and lighting. 1. A hollow glass tile , comprising:a tile body of a substantially homogenous glass material having a first face with a first surface, an opposite second face with a second surface, and a peripheral side;an annular rim protruding transversely from the second face and extending in a marginal portion of the tile body along the peripheral side, the rim having a predetermined width;a cavity provided in a central portion of the tile body on the second face and surrounded by the rim, the cavity defined by the second surface and an inner surface of the rim;a predefined texture provided on at least one of the first face and the second face, the predefined texture defining elevations and depressions in a respective one of the first surface and the second surface of the at least one of the first face and the second face;wherein a ratio of a thickness of the tile body at the marginal portion to the predetermined width of the rim is about 0.6 to 1.8.2. The glass tile of claim 1 , wherein the predetermined width of the rim amounts to about 0.004% to 0.012% of a predefined area of the cavity.3. The glass tile of claim 1 , wherein a quotient of a thickness of the tile body in the central portion and the predetermined width of the rim amounts to about 0.37 to 1.4. The glass tile of claim 1 , wherein the ...

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Номер записи: 39
21-03-2019 дата публикации

COATINGS FOR GLASS-SHAPING MOLDS AND MOLDS COMPRISING THE SAME

Номер: US20190084862A1
Автор: SCOGGINS Troy, SHEPPARD Rex Gerald, WALDFRIED Carlo
Принадлежит:

Described are glass-forming molds made of a graphite mold body and a coating formed by atomic layer deposition, with the coating being made of alumina or a combination of alumina and yttria. 1. A glass-forming mold comprising:a fine-grained graphite mold body having one or more mold features,a coating on the one or more mold features, the coating being formed by atomic layer deposition and comprising an alumina layer or layers of alumina and yttria.2. The mold of claim 1 , wherein the coating has a coefficient of thermal expansion that is within 1 part per million/° C. of the coefficient of thermal expansion of the graphite mold body.3. The mold of claim 1 , wherein the fine-grained graphite has a grain size that is not greater than 10 microns.4. The mold of claim 1 , wherein a thickness of the coating is between 10 nanometers and 500 claim 1 ,000 nanometers.5. The mold of claim 1 , wherein the coating consists essentially of alumina.6. The mold of claim 1 , wherein the coating consists essentially of alternating layers of alumina and yttria.7. The mold of claim 1 , wherein the mold is free of surface discontinuities that are greater than about 25 microns from the average surface plane of the mold.8. A method of making a glass-forming mold comprising:providing a fine-grained mold body, anddepositing a coating on the mold body by atomic layer deposition, the coating comprising an alumina layer or layers of alumina and yttria.9. The method of claim 8 , wherein the coating has a coefficient of thermal expansion that is within 1 part per million/° C. of the coefficient of thermal expansion of the graphite mold body.10. The method of claim 8 , wherein the fine-grained graphite has a grain size that is not greater than 10 microns.11. The method of claim 8 , wherein a thickness of the coating is between 10 nanometers and 500 claim 8 ,000 nanometers.12. The method of claim 8 , wherein the coating consists essentially of alumina.13. The method of claim 8 , wherein the ...

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Номер записи: 40
30-03-2017 дата публикации

Frame-Type Optical Member with Optical Fiber and Multi-Panel Display Device with Same

Номер: US20170094814A1
Автор: CHIN MiHyung, LEE Sejin, Moon Jeongmin
Принадлежит:

In a multi-panel display device in which plural individual display devices are joined, it is possible to guarantee image continuity in panel junction areas of the multi-panel display device by disposing a frame-type optical member, which includes a frame section having plural optical fibers and a central light-transmitting area, on the front surface of the multi-panel display device and optimizing structures of an inner inclined surface of the frame section of the frame-type optical member and optical fibers included in the frame section. 1. A multi-panel display device , comprising:a plurality of adjoining individual display devices; and 'a frame section covering junction areas of the individual display devices where images are not displayed and portions of display areas of the individual display devices adjacent to the junction areas, the frame section comprising a plurality of light conduits of a first refractive index and cladding portions of a second refractive index lower than the first refractive index, the cladding portions surrounding the plurality of light conduits.', 'an optical member on the plurality of individual display device, the optical member comprising2. The multi-panel display device of claim 1 , wherein each of the light conduits comprises:a first surface configured to receive light from the covered portions of the display areas; anda second surface facing away from the individual display device.3. The multi-panel display device of claim 2 , wherein a center of the second surface is shifted towards a junction area relative to a center of the first surface claim 2 , the junction area adjacent to a portion of the frame section that includes each of the light conduit.4. The multi-panel display device of claim 1 , wherein a portion of the frame section is defined at least by:a bottom surface facing a display area of an individual display device;an inner inclined surface extending from the bottom surface and facing away from the individual display ...

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Номер записи: 41
30-03-2017 дата публикации

Plate-Type Optical Member with Optical Fiber and Multi-Panel Display Device with the Same

Номер: US20170094815A1
Автор: CHIN MiHyung, Kim Bora, Moon Jeongmin, YANG Seungsoo
Принадлежит:

In a plate-type optical member for a multi-panel display device in which a plurality of individual display devices are joined and which includes junction area in which non-active areas of the individual display devices are arranged, the plate-type optical member includes plural optical fibers that have input ends opened to the lower part of the plate-type optical member and output ends opened to the upper part of the plate-type optical member and a resin support that supports the optical fibers. It is possible to guarantee image continuity in panel junction areas by disposing the plate-type optical member on the front surface of the multi-panel display device. 1. A multi-panel display device , comprising:a plurality of individual display devices adjoining along junction lines; andan optical member on the plurality of individual display devices, the optical member having a flat profile of a thickness smaller than a length or a height of an individual display device, the optical member comprising a plurality of light conduits of a first refractive index and cladding portions surrounding the light conduits, the cladding portions having a second refractive index lower than the first refractive index, the light conduits comprising input surfaces receiving lights from active areas of the display devices and output surfaces transmitting the received light.2. The multi-panel display device of claim 1 , wherein a subset of the light conduits having output surfaces shifted towards the junction lines relative to input surfaces of the subset of the light conduits to transmit light over non-active areas of the display devices.3. The multi-panel display device of claim 1 , wherein the input surfaces and the output surfaces are parallel.4. The multi-panel display device of claim 1 , wherein the optical member comprises a first area and a second area between the first area and a junction line claim 1 , first light conduits in the first area extending straight in a thickness ...

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Номер записи: 42
08-04-2021 дата публикации

BENDING THIN GLASS

Номер: US20210101820A1
Автор: FREBOURG Philippe, OLIVIER Thierry, THELLIER Hervé
Принадлежит:

A device for manufacturing curved glass, includes a bending station that has a solid concave bending upper mold and a complementary lower countermold, the upper mold being placed above the lower countermold, a conveyor to convey the glass to a final holder placed under the bending upper mold, the final holder being circumscribed, seen from above, by the lower countermold, the final holder forming a surface for receiving the glass, the glass being in an optimal bending position when on this surface, the lower countermold being of the frame type and being able to move vertically in order to pass below or above the surface for receiving the glass, the bending upper mold and the lower countermold being able to move with a relative vertical movement that allows them to be brought together, in order to clamp therebetween the periphery of the glass, and to move apart from each other. 1. A device for manufacturing curved glass , said glass comprising a glass sheet or a stack of glass sheets , the device comprising a bending station , said bending station comprising a solid concave bending upper mold and a lower countermold that is complementary to the solid concave bending upper mold , the solid concave bending upper mold being placed above the lower countermold , a conveyor configured to convey the glass to a final holder placed under the solid concave bending upper mold , the final holder being circumscribed , seen from above , by the lower countermold , the final holder forming a surface for receiving the glass , the glass being in an optimal bending position when on said surface , the lower countermold being a frame and being able to move vertically in order to pass below or above the surface for receiving the glass , the solid concave bending upper mold and the lower countermold being able to move with a relative vertical movement that allows them to be brought together , in order to clamp therebetween a periphery of the glass , and to move apart from each other , the ...

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Номер записи: 43
08-04-2021 дата публикации

CURVED GLASS ARTICLES INCLUDING A BUMPER PIECE CONFIGURED TO RELOCATE BENDING MOMENT FROM DISPLAY REGION AND METHOD OF MANUFACTURING SAME

Номер: US20210101821A1
Автор: Burdette Steven Roy
Принадлежит:

Embodiments of a curved glass article are disclosed. The article includes a glass sheet having a first major surface and a second major surface opposite to the first major surface. The second major surface defines a first curvature of the glass sheet. The article also includes a display bonded to the second major surface of the glass sheet using an optically clear adhesive. The display has a perimeter with a display edge proximal to the first curvature. The article also includes a bumper piece disposed at least along the display edge proximal to the first curvature and a frame bonded to the second surface of the glass sheet using an adhesive. The frame is disposed around the display and over the bumper piece. In the article, the adhesive has a first modulus and the bumper piece has a second modulus that is greater than the first modulus. 1. A curved glass article , comprising:a glass sheet having a first major surface and a second major surface opposite to the first major surface, wherein the second major surface defines a first curvature of the glass sheet;a display bonded to the second major surface of the glass sheet using an optically clear adhesive, the display having a perimeter with a display edge proximal to the first curvature;a bumper piece disposed between the display edge and the first curvature; anda frame bonded to the second surface of the glass sheet using an adhesive, the frame being disposed around the display and over the bumper piece;wherein the adhesive has a first modulus and the bumper piece has a second modulus, the second modulus being greater than the first modulus.2. The curved glass article of claim 1 , wherein claim 1 , prior to bonding the frame to the second surface claim 1 , the bumper piece has a first side with a first thickness proximal to the display and a second side with a second thickness proximal to the first curvature claim 1 , the first thickness being greater than the second thickness claim 1 , and wherein claim 1 , after ...

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Номер записи: 44
13-04-2017 дата публикации

Closing Mechanism for a Glassware Forming Machine

Номер: US20170101333A1
Автор: Felgenhauer Benedikt, Hardekopf Daniel
Принадлежит:

A closing mechanism for at least two mold halves () held by two mold holders () includes a drivetrain suspended under the housing section () inside of the station housing. The mold holders () are mounted on a linear guide and are joined with a threaded spindle, threaded sleeve and gearing with a drive set up on the outlet side for generating a vertically oriented linear movement. A toggle-lever mechanism situated inside of an oil bath accommodated in the station housing () is used as the gearing. This arrangement of essential components of the drivetrain opens allows removal of the drivetrain via the upper side of the station housing when necessary or incorporating the drivetrain into the station housing, thereby simplifying repair and maintenance work. 178. A closing mechanism for at least two mold sections ( , ) of a glassware forming machine , comprising:{'b': 4', '5', '7', '8, 'at least two mold holders (, ) configured to hold the at least two mold sections (, );'}{'b': 1', '2', '3', '2', '1, 'a station housing () having an upper side () and a housing section () supported on the upper side () of the station housing ();'}{'b': 4', '5', '7', '8, 'a drivetrain encompassing a gearing and a drive, wherein the at least two mold holders (, ) are positioned to be horizontally movable by via the drivetrain between an opening position of the at least two mold sections mold (, ) and a closing position;'}{'b': 4', '5', '3', '2', '12', '1, 'a guide configured to horizontally move the at least two mold holders (, ), said guide positioned inside of the housing section () above the upper side () of the station housing () and laterally relative to the station housing ();'}{'b': 2', '1', '3', '1', '3', '2', '1, 'wherein the drive and the gearing of the drivetrain are arranged under the upper side () inside of the station housing (), wherein the drivetrain is suspended under the housing section () inside of the station housing (), and wherein the housing section () is supported on ...

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Номер записи: 45
13-04-2017 дата публикации

METHOD FOR MANUFACTURING GLASS LIGHT GUIDE PLATE HAVING HIGH TRANSMISSION EFFICIENCY

Номер: US20170102498A1
Автор: LIU YU-WEI, Wong Ching-Fang
Принадлежит:

A method for manufacturing a glass light guide plate having high transmission efficiency is provided. A glass plate is cut and formed using a cutter machine. The glass plate includes a first flat surface and a second flat surface that are opposite and parallel to each other, and a light incident surface perpendicular and connected to the first flat surface and the second flat surface. The light incident surface is heated and extruded using a thermoplastic machine to deform the light incident surface to form a light guide portion. The light guide portion includes a light guide surface perpendicular to the first flat surface and the second flat surface, and has an area greater than an area of the light incident surface. When a light enters via the light guide surface, the amount of light irradiating corners of the light guide surface is reduced. 1. A method for manufacturing a glass light guide plate having high transmission efficiency , comprising steps of:S1: cutting and forming a glass plate using a cutter machine, the glass plate comprising a first flat surface and a second flat surface that are opposite and parallel to each other, and a light incident surface perpendicular and connected to the first flat surface and the second flat surface; andS2: heating and extruding the light incident surface using a thermoplastic machine to deform the light incident surface to form a light guide portion, the light guide portion comprising a light guide surface perpendicular to the first flat surface and the second flat surface and having an area greater than an area of the light incident surface.2. The method for manufacturing a glass light guide plate having high transmission efficiency of claim 1 , between step S1 and step S2 claim 1 , further comprising a step of:S1A: performing a rounding process on a plurality of corners of the glass plate.3. The method for manufacturing a glass light guide plate having high transmission efficiency of claim 2 , wherein in step S1A claim ...

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Номер записи: 46
27-04-2017 дата публикации

METHOD AND SYSTEM FOR FORMING SHAPED GLASS ARTICLES

Номер: US20170113959A1
Автор: Immerman Jacob, JR. John Robert, Keebler Thomas Augustus, Saltzer, Ukrainczyk Ljerka
Принадлежит:

A method of forming a shaped glass article includes placing a glass sheet on a mold such that a first glass area of the glass sheet corresponds to a first mold surface area of the mold and a second glass area of the glass sheet corresponds to a second mold surface area of the mold. The first glass area and the second glass area are heated such that the viscosity of the second glass area is 8 poise or more lower than the viscosity of the first glass area. A force is applied to the glass sheet to conform the glass sheet to the mold surface. During the heating of the second glass area, the first mold surface area is locally cooled to induce a thermal gradient on the mold. 110-. (canceled)11. A system for forming a shaped glass article , comprising:a mold comprising a first mold surface area and a second mold surface area, the first mold surface area comprising a substantially flat area, the second mold surface area comprising at least one bend and at least one opening;a cooling device coupled to the mold and configured for active cooling of the first mold surface area;a vacuum plenum coupled to the mold and in communication with the second mold surface area through the at least one opening; anda heater assembly arranged opposite to the second mold surface area to provide localized heat to the second mold surface area.12. The system of claim 11 , further comprising a furnace claim 11 , and wherein the mold claim 11 , cooling device claim 11 , vacuum plenum claim 11 , and heater assembly are arranged in the furnace.13. The system of claim 11 , wherein the at least one opening is located in the bend.14. The system of claim 11 , wherein the bend has a radius less than 20 mm.15. The system of claim 11 , wherein the heater assembly comprises at least one radiant heater having a heater temperature in a range from 1000° C. to 1450° C.16. The system of claim 11 , wherein the heater assembly comprises at least one radiant heater having a peak wavelength in a range from 2.0 μm to ...

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Номер записи: 47
07-05-2015 дата публикации

PROCESS FOR LAMINATING THIN GLASS LAMINATES

Номер: US20150122406A1
Автор: Fisher William Keith, Moore Michael John, Moyer Steven Luther, Sheng Huan-Hung, Smith Larry Gene
Принадлежит:

A process using a vacuum ring or vacuum bag to produce glass laminates with improved optical distortion and shape consistency using thin glass having a thickness not exceeding 1.0 by using a soak temperatures not exceeding 120° C. or not exceeding 100° C. and a vacuum not exceed about −0.6 bar. One or more assembled stacks of two glass sheets and a polymer interlayer being laminated may be stacked on a single reference mold and processed simultaneously in a single vacuum bag or vacuum ring. One more thin glass sheets may be placed on top the assembled stack(s) on the reference mold to protect the assembled stack from irregular forces applied by the vacuum bag or the vacuum ring. 1. A process of forming a glass laminate characterized by the steps of:providing a first glass sheet, a second glass sheet and a polymer interlayer, wherein at least one of the first glass sheet and the second glass sheet has a thickness not exceeding 1 mm;stacking the interlayer on the first glass sheet and stacking the second glass sheet on the interlayer forming an assembled stack;applying a vacuum to a peripheral edge of the assembled stack; andheating the assembled stack to a soak temperature at or above the softening temperature of the interlayer; andmaintaining the vacuum and the soak, temperature for period of time (a soak time) sufficient to de-air the interlayer and tack the inter layer to the first glass sheet and the second glass sheet.2. The process as in claim 1 , wherein both the first glass sheet and the second glass sheet have a thickness not exceeding 1 mm.3. The process as in claim 1 , wherein both the first glass sheet and the second glass sheet are chemically strengthened glass sheets.4. The process as in claim 1 , further characterized by the step of placing the assembled stack in and autoclave at a pressure not exceeding 80 psi during the soak time.5. The process as in claim 1 , wherein the soak temperature does not exceed about 120° C. claim 1 , 100° C. or 90° C.6. ...

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Номер записи: 48
24-07-2014 дата публикации

MOLDS FOR SHAPING GLASS AND METHODS FOR MAKING THE SAME

Номер: US20140202211A1
Автор: Horn Kristen Marie, Lineman David Myron, Morris Kevin Thomas, WANG Wenchao, Womer Kim E.
Принадлежит: CORNING INCORPORATED

A mold for shaping glass can be made by a method that includes providing a mold body having a shaping surface comprising at least about 90% nickel and modifying the composition of the shaping surface of the mold body by exposing the shaping surface to an oxidizing heat treatment. The oxidizing heat treatment may include a ramping heat treatment, a fixed heat treatment, or both the ramping heat treatment and the fixed heat treatment. The ramping heat treatment may include increasing a heating temperature at a rate from about 20° C./hour to about 500° C./hour to a temperature from about 700° C. to about 1000° C. The fixed heat treatment may include holding the heating temperature from about 700° C. to about 1000° C. for a holding time of at least about 5 minutes. 2. The method of claim 1 , wherein the oxidizing heat treatment comprises both the ramping heat treatment and the fixed heat treatment.3. The method of claim 2 , wherein:the ramping heat treatment comprises increasing the heating temperature at a rate from about 50° C./hour to about 150° C./hour to a temperature from about 700° C. to about 900° C.; andthe fixed heat treatment comprises holding the heating temperature from about 700° C. to about 900° C. for a holding time from about 14 hours to about 18 hours.4. The method of claim 2 , wherein:the ramping heat treatment comprises increasing the heating temperature at a rate from about 90° C./hour to about 110° C./hour to a temperature from about 775° C. to about 825° C.; andthe fixed heat treatment comprises holding the heating temperature from about 775° C. to about 825° C. for a holding time from about 14 hours to about 18 hours.5. The method of claim 2 , wherein:the ramping heat treatment comprises increasing the heating temperature at a rate from about 50° C./hour to about 150° C./hour to a temperature from about 800° C. to about 1000° C.; andthe fixed heat treatment comprises holding the heating temperature from about 800° C. to about 1000° C. for a ...

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Номер записи: 49
04-05-2017 дата публикации

METHOD AND APPARATUS FOR SHAPING A 3D GLASS-BASED ARTICLE

Номер: US20170121210A1
Автор: Rai Rohit, Ridge John Richard, Ukrainczyk Ljerka
Принадлежит:

A method of shaping a glass-based substrate including placing a glass-based substrate on a mold having a mold surface with a 3D surface profile, heating the glass-based substrate to a shaping temperature, creating a sealed environment above the glass-based substrate, and adjusting the pressure in the sealed environment with a pressurized gas to conform the glass-based substrate to the profile of the mold surface to create a shaped glass-based article. The shaped glass-based article may be free of distortions having a height to width ratio greater than . 1. A method of shaping a glass-based substrate , the method comprising:(a) placing a glass-based substrate on a mold having a mold surface with a 3D surface profile;(b) heating the glass-based substrate to a shaping temperature;(c) creating a sealed environment above the glass-based substrate; and{'sup': '−4', '(d) adjusting the pressure in the sealed environment with a pressurized gas to conform the glass-based substrate to the profile of the mold surface to create a shaped glass-based article, wherein the shaped glass-based article is free of distortions having a height to width ratio greater than 2×10 .'}2. The method of claim 1 , wherein creating the sealed environment comprises placing a pressure cap assembly over the mold claim 1 , wherein the pressure cap comprises:an orifice for supplying the pressurized gas; anda baffle positioned over the orifice to direct the flow of the gas.3. The method of claim 2 , further comprising heating the pressure cap assembly to radiatively heat the glass-based substrate.4. The method of claim 2 , wherein the temperature of the pressure cap is higher than the temperature of the mold surface.5. The method of claim 4 , wherein a temperature difference between the pressure cap and the mold surface is in a range from about 20° C. to about 150° C.6. The method of claim 2 , wherein there is only a single orifice.7. The method of claim 1 , wherein the pressurized gas is heated.8. The ...

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Номер записи: 50
24-07-2014 дата публикации

HIGH PURITY NICKEL MOLDS FOR OPTICAL QUALITY GLASS FORMING

Номер: US20140206523A1
Автор: Horn Kristen Marie, Lineman David Myron, Morris Kevin Thomas, WANG Wenchao
Принадлежит: CORNING INCORPORATED

The present disclosure relates to high purity nickel molds for use in forming three dimensional glass substrates, along with methods of making three dimensional glass substrates. The mold compositions minimize imperfections in the formed glass substrates providing optical quality shaped glass articles for use in electronics applications. 1. A substrate for shaping glass comprising:a. a mold having a shaping surface, wherein the mold comprises greater than 93% nickel; andb. a nickel oxide layer on the shaping surface, wherein the nickel oxide layer has a thickness from about 200 nm to about 20 μm.2. The substrate of claim 1 , wherein the mold comprises at least about 97% nickel.3. The substrate of claim 2 , wherein the mold comprises less than 1 mol % of one or more of Cu claim 2 , Fe claim 2 , Mn claim 2 , C claim 2 , Si claim 2 , S claim 2 , Mg claim 2 , Al or Ti.4. The substrate of claim 3 , wherein the mold comprises less than 1 mol % of Cu claim 3 , Fe claim 3 , Mn claim 3 , C claim 3 , Si claim 3 , S claim 3 , Mg claim 3 , Al and Ti.5. The substrate of claim 3 , wherein the mold the mold comprises less than 0.5 mol % of one or more of Cu claim 3 , Fe claim 3 , Mn claim 3 , C claim 3 , Si claim 3 , S claim 3 , Mg claim 3 , Al or Ti.6. The substrate of claim 5 , wherein the mold the mold comprises less than 0.5 mol % of Cu claim 5 , Fe claim 5 , Mn claim 5 , C claim 5 , Si claim 5 , S claim 5 , Mg claim 5 , Al and Ti.7. The substrate of claim 1 , wherein the nickel oxide layer has an average thickness from about 500 nm to about 20 μm.8. The substrate of claim 7 , wherein the nickel oxide layer has an average thickness from about 2 μm to about 8 μm.9. The substrate of claim 1 , wherein the waviness height (W) of the mold surface is less than 100 nm over a 1 cm evaluation length.10. The substrate of claim 9 , wherein the waviness height (W) of the mold surface is less than 40 nm over a 1 cm evaluation length.11. The substrate of claim 10 , wherein the waviness ...

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Номер записи: 51
31-07-2014 дата публикации

METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT

Номер: US20140208801A1
Автор: FUJII Koji, Shimizu Yoshiyuki, Suzuki Tetsuya, Takano Toshiaki
Принадлежит: Panasonic Corporation

A method for manufacturing a diffractive optical element by pressing a glass material with a molding die in which an inverted shape relative to a shape of a diffractive surface of the diffractive optical element is formed. The method includes: preparing the molding die, a molding surface of the molding die being formed with a plurality of raised portions chamfered at tip ends thereof; and pressing, with the molding die, the glass material into the diffractive optical element in which raised portions and recessed portions are alternately arranged on the diffractive surface and valley bottoms of the recessed portions are formed to have a chamfered shape. 1preparing the molding die, a molding surface of the molding die being formed with a plurality of raised portions chamfered at tip ends thereof; andpressing, with the molding die, the glass material into the diffractive optical element in which raised portions and recessed portions are alternately arranged on the diffractive surface and valley bottoms of the recessed portions are formed to have a chamfered shape.. A method for manufacturing a diffractive optical element by pressing a glass material with a molding die in which an inverted shape relative to a shape of a diffractive surface of the diffractive optical element is formed, the method comprising: This application claims priority to Japanese Patent Application No. 2011-035668 filed on Feb. 22, 2011, and Japanese Patent Application No. 2012-024303 filed on Feb. 7, 2012, the disclosures of which including the specifications, the drawings, and the claims are hereby incorporated by reference in their entirety.The present disclosure relates to a diffractive optical element having at least one optical surface formed as a diffractive surface and an imaging apparatus including the diffractive optical element.A diffractive optical element in which at least one of optical surfaces is formed as a diffractive surface has been known. For example, a diffractive optical ...

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Номер записи: 52
21-05-2015 дата публикации

METHOD OF MANUFACTURING GLASS MOLDED PRODUCT AND LOWER DIE FOR MOLDING GLASS

Номер: US20150135771A1
Автор: Kamada Yoshihiro, Ogura Kazuyuki, Sakata Tadafumi
Принадлежит:

A method of manufacturing a glass molded product includes the steps of preparing a lower die including a lower die surface and a space forming surface formed to extend downward away from an outer edge end portion of the lower die surface with the outer edge end portion being defined as a starting point, preparing an outer frame including an annularly formed inner circumferential surface, arranging the lower die on an inner side of the outer frame, dropping a prescribed amount of molten glass droplet onto the lower die surface such that a surface of the molten glass droplet connects the outer edge end portion and a portion of the inner circumferential surface located above a position of the outer edge end portion to each other and the molten glass droplet does not wet-spread over the space forming surface, and pressurizing and molding the molten glass droplet. 1. A method of manufacturing a glass molded product by pressurizing and molding a molten glass droplet dropped downward from above , comprising the steps of:preparing a lower die including a lower die surface onto which said molten glass droplet is dropped and a first space forming surface formed to extend downward away from an outer edge end portion of said lower die surface, with said outer edge end portion being defined as a starting point;preparing an outer frame including an annularly formed inner circumferential surface;arranging said lower die on an inner side of said outer frame so as to form a space between said first space forming surface and said inner circumferential surface;dropping a prescribed amount of said molten glass droplet onto said lower die surface such that a surface of said molten glass droplet dropped onto said lower die surface connects said outer edge end portion and a portion of said inner circumferential surface located above a position of said outer edge end portion to each other and said molten glass droplet dropped onto said lower die surface does not wet-spread over said first ...

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Номер записи: 53
02-05-2019 дата публикации

OPTICAL LENS AND MANUFACTURING METHOD FOR OPTICAL LENS

Номер: US20190129074A1
Автор: Kobayashi Nobutaka, Oda Chisako
Принадлежит: Mitsubishi Electric Corporation

An optical lens, which is to be used for forming a ring-shaped laser beam, includes: an incident surface; and an exit surface configured to face the incident surface, in which: the incident surface and the exit surface include a common optical axis, and are each perpendicular to the optical axis; the incident surface has a concave conical shape; and the exit surface has a convex shape. 1. An optical lens , which is to be used for forming a ring-shaped laser beam , the optical lens comprising:a first surface; anda second surface configured to face the first surface,wherein the first surface and the second surface include a common optical axis, and are each perpendicular to the common optical axis,wherein the first surface has a concave conical shape, andwherein the second surface has a convex aspherical shape.24-. (canceled)5. An optical lens according to claim 1 , wherein a vertex angle of the conical shape on the first surface is equal to or larger than 90° and smaller than 180°.6. An optical lens claim 1 , which is to be used for forming a ring-shaped laser beam claim 1 , the optical lens comprising:a first surface; anda second surface configured to face the first surface,wherein the first surface and the second surface include a common optical axis, and are each perpendicular to the common optical axis,wherein the first surface has a flat shape, andwherein the second surface is set to be a convex odd-order aspherical surface including an odd-order term, and has a shape including a conical component and a spherical component in which a coefficient of at least a linear term is set to have a value other than zero.7. A method of manufacturing the optical lens of claim 1 , comprising:arranging a first mold for forming the first surface and a second mold for forming the second surface so as to face each other with center axes thereof in agreement with each other, and manufacturing a lens by press molding or injection molding.8. A method of manufacturing the optical ...

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Номер записи: 54
18-05-2017 дата публикации

Powder, process of making the powder, and articles made therefrom

Номер: US20170137313A1
Автор: Antoine Gaston Denis Bisson, Mallanagouda Dyamanagouda Patil, Roy Joseph Bourcier
Принадлежит: Corning Inc

A powder useful for making a mold utilized for shaping glass-based materials includes at least about 50% by weight nickel. Metal oxides that are not miscible with nickel may be dispersed within the powder in an amount in a range from about 0.2 to about 15% by volume. A mold made from the powder may have a mold body having a composition comprising at least 50% by weight nickel and a metal oxide that is not miscible with nickel in an amount in a range from about 0.2 to about 15% by volume, a nickel oxide layer on a surface of the mold body wherein the nickel oxide layer has first and second opposing surfaces, the first surface of the nickel oxide layer contacts and faces the surface of the mold body, the second surface of the nickel oxide layer includes a plurality of grains, and the plurality of grains has an average grain size of about 100 μm or less.

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Номер записи: 55
14-08-2014 дата публикации

GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

Номер: US20140223964A1
Автор: EDA Shinji, Isono Hideki
Принадлежит: HOYA CORPORATION

The present invention provides a method for efficiently manufacturing a glass substrate for magnetic disk having good accuracy of a surface irregularity and an impact resistance. The method includes the steps of: performing press forming to molten glass to prepare a sheet glass material, the sheet glass material having a roughness of the principal surface of 0.01 μm or less and target flatness of a glass substrate for magnetic disk; chemically strengthening the sheet glass material by dipping the sheet glass material in a chemically strengthening salt, thereby preparing a disk substrate; polishing the principal surfaces of the disk substrate. A thickness of the sheet glass material prepared in the press forming step is larger than a target thickness of the glass substrate for magnetic disk by a polishing quantity of the principal surface polishing step. 1. A manufacturing method of a glass substrate for a magnetic disk , comprising:forming a sheet glass material by press forming a lump of molten glass while sandwiching the lump from opposing sides using surfaces of a pair of dies set at approximately the same temperature, such that the surfaces of the pair of dies are brought into close contact at approximately identical timing; andpolishing a principal surface of the sheet glass material by pressing a polishing pad against the principal surface of the sheet glass material while supplying a polishing solution including a polishing material between the sheet glass material and the polishing pad, and relatively moving the sheet glass material and the polishing pad.2. A manufacturing method of a glass substrate for a magnetic disk according to claim 1 , wherein the forming of the sheet glass material includes:press forming while sandwiching the lump between the surfaces of the pair of dies; andopening the pair of dies immediately thereafter.3. A manufacturing method of a glass substrate for a magnetic disk according to claim 1 , wherein the principal surface of the ...

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Номер записи: 56
02-06-2016 дата публикации

Photosensitive Glass Molding and Method of Manufacturing the Same

Номер: US20160152505A1
Автор: FUSHIE Takashi
Принадлежит: HOYA CORPORATION

There is provided a method of manufacturing a photosensitive glass molding, including: softening a solid-state photosensitive glass material by heating; and molding the softened photosensitive glass material to obtain a photosensitive glass molding, wherein in the heating, a crystal precipitated on the photosensitive glass material is melted by heating. 1. A method of manufacturing a photosensitive glass molding , comprising:softening a solid-state photosensitive glass material by heating; andmolding the softened photosensitive glass material to obtain a photosensitive glass molding,wherein in the heating, a crystal precipitated on the photosensitive glass material by heating, is melted.2. The method of manufacturing a photosensitive glass molding according to claim 1 , wherein in the heating claim 1 , the photosensitive glass material is heated up to not less than a liquid phase temperature of a photosensitive glass claim 1 , and by holding the photosensitive glass material at this temperature claim 1 , the crystal is melted.3. The method of manufacturing a photosensitive glass molding according to claim 2 , wherein a holding time of the photosensitive glass at the temperature not less than the liquid phase temperature of the photosensitive glass claim 2 , is determined according to a heat capacity of the photosensitive glass.4. The method of manufacturing a photosensitive glass molding according to claim 1 , wherein a heating rate in a crystallization temperature range of the photosensitive glass is 200° C./min or more in the heating.5. The method of manufacturing a photosensitive glass molding according to claim 1 , wherein the method further comprises cooling the photosensitive glass material after melting the crystal claim 1 , and a cooling rate in the crystallization temperature range of the photosensitive glass is 200° C./min or more in the cooling.6. The method of manufacturing a photosensitive glass molding according to claim 1 , wherein the method further ...

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Номер записи: 57
25-05-2017 дата публикации

TRANSPARENT GLASS PANE PROVIDED WITH A SURFACE STRUCTURE

Номер: US20170148931A1
Автор: BLIESKE Ulf, Gayout Patrick, Harder Nils-Peter, Neander Marcus, Neumann Dirk, Schiavoni Michele
Принадлежит: SAINT-GOBAIN GLASS FRANCE

A method of manufacturing a transparent pane, in particular a glass pane, which includes on at least one of its main surfaces a surface structure including an assembly of specified individual motifs in relief, in particular pyramids, cones, or truncated cones, created by embossing or by rolling. A structure is created on the surface of the pane constituted by individual motifs, based on one or more basic motifs but which are distinguished from each other by their depth, their height, and/or the perimeter of their base area, and/or by the position of their peak with respect to their base. With this variation, formation of intensity peaks of the reflected light is prevented and at the same time a high quality of light trapping is obtained by panes suitable, for example, for solar applications. 1. A transparent pane comprising:two opposing main surfaces; anda surface structure on at least one of the main surfaces of the pane, the surface structure including an assembly of individual motifs in relief that are based on one or more basic motifs, each of the motifs including a base,wherein each of the individual motifs are are obtained by varying at least one structural characteristic of the one or more basic motifs on the at least one of the main surfaces of the pane, andwherein the at least one structural characteristic is a position of a peak of the motif in relation to the respective base of the individual motif as seen in a direction perpendicular to the at least one of the main surfaces of the pane.2. The pane as claimed in claim 1 , wherein the individual motifs are pyramids claim 1 , cones claim 1 , or truncated cones.3. The pane as claimed in claim 1 , wherein the individual motifs are pyramids whose base area is at least three-sided.4. The pane as claimed in claim 1 , wherein the individual motifs are directly adjacent to each other.5. The pane as claimed in claim 1 , wherein the individual motifs are impressed in a form of recesses in a material constituting the ...

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Номер записи: 58
29-09-2022 дата публикации

QUARTZ GLASS TUBE AND METHOD OF MANUFACTURING THE SAME

Номер: US20220306513A1
Автор: Gromann Boris, Sohn Matthias, Visnow Eduard
Принадлежит: HERAEUS QUARZGLAS GMBH & CO. KG

In a method of manufacturing a tube of quartz glass by molding a hollow cylinder having a wall thickness of at least 20 mm, the cylinder is continuously fed under rotation about a rotational axis into a heating zone at a relative feed rate V, softened and radially expanded under the effect of a gas pressure. A tube strand is continuously formed and is withdrawn at a withdrawal rate V. In order to mold thick-walled initial hollow cylinders of quartz glass into tubes with larger diameter, the gas pressure is used as an actuating variable of a diameter regulation for the tube outer diameter or for a geometrical correlated parameter thereof, and in a pressure build-up phase the gas pressure is gradually increased from a lower initial value to a higher final value, and that the following applies to the ratio of Vand V:V=V±0.2·V. 1. A method of manufacturing a tube of quartz glass by molding a hollow cylinder having a hollow cylinder bore , an outer diameter C , an inner diameter Cand a wall thickness which is at least 20 mm , by continuously feeding it under rotation around a rotational axis into a heating zone at a relative feed rate V , softened therein in areas , and the softened area being radially expanded under the effect of a gas pressure applied in the hollow cylinder bore , and a tube strand having an outer tube diameter T , a tube inner diameter Tand a tube wall thickness being continuously molded from the softened area and withdrawn at a withdrawal speed V , characterized in that the gas pressure is used as an actuating variable of a diameter regulation and/or a diameter control for the tube outer diameter or for a geometrical parameter correlated with the tube outer diameter , and in that in a pressure build-up phase the gas pressure is gradually increased from a lower initial value to a higher final value , and in that the following applies to the ratio of Vand V:V=V±0.2·V.2. The method according to claim 1 , characterized in that the gradual increase of the ...

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Номер записи: 59
21-05-2020 дата публикации

MOLD MANUFACTURING METHOD

Номер: US20200156983A1
Автор: FUJIMURA Kayoko, MURAYAMA Tatsuya, NISHIO Yukinobu, Yamamoto Kazuya
Принадлежит:

Provided is a mold manufacturing method that is capable of manufacturing a mold of a complex shape particularly of an optical element with sufficient shape accuracy and within a relatively short time. This mold manufacturing method includes: a step for forming a base made of metal into a first shape through machining; a step for coating the base with a resin layer; a step for forming the resin layer into a second shape; and a step for forming the base into a third shape through dry-etching. 1. A mold manufacturing method comprising the steps of:machining a base made of metal into a first shape;coating the base with a resin layer;forming the resin layer into a second shape; andforming the base into a third shape by dry etching,wherein the first shape presents grooves arranged in a first direction on a surface of the base, the second shape presents grooves arranged in a second direction perpendicular to the first direction on a surface of the resin layer and the third shape corresponds to a shape of a microlens array.2. The mold manufacturing method according to claim 1 , wherein the step of forming the resin layer into the second shape is carried out by machining.3. The mold manufacturing method according to claim 1 , wherein the step of forming the resin layer into the second shape is carried out by the lithography technology4. The mold manufacturing method according to claim 1 , wherein in the step of forming the base into the third shape by dry etching claim 1 , the ratio of an etching rate of the base and an etching rate of the resin layer is in a range from 0.1 to 0.9.5. A method for manufacturing a microlens array using a mold manufactured by the mold manufacturing method according to . The present invention relates to a mold manufacturing method, particularly to a manufacturing method for a mold for an optical element.By way of example, conventional manufacturing methods for a mold for a microlens array will be described below. A time require to manufacture a ...

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Номер записи: 60
25-06-2015 дата публикации

MOLD, METHOD FOR PRODUCING A MOLD, AND METHOD FOR FORMING A MOLD ARTICLE

Номер: US20150175467A1
Автор: Breymesser Alexander, Brockmeier Andre, Denifl Guenter, Kahn Markus
Принадлежит: INFINEON TECHNOLOGIES AUSTRIA AG

Various embodiments provide a mold including a pyrolytic carbon film disposed at a surface of the mold. Various embodiments relate to using a low pressure chemical vapor deposition process (LPCVD) or using a physical vapor deposition (PVD) process in order to form a pyrolytic carbon film at a surface of a mold. 1. A mold , comprising a pyrolytic carbon film disposed at a surface of the mold.2. The mold of claim 1 , further comprising a patterned substrate claim 1 , wherein the pyrolytic carbon film is disposed over the patterned substrate.3. The mold of claim 2 , wherein the patterned substrate comprises at least one opening claim 2 , and wherein the pyrolytic carbon film is disposed over one or more walls of the at least one opening.4. The mold of claim 3 , wherein the pyrolytic carbon film conformally coats the one or more walls of the at least one opening.5. The mold of claim 3 , wherein the at least one opening has an aspect ratio greater than or equal to 20.6. The mold of claim 1 , wherein the pyrolytic carbon film has a thickness of less than or equal to about 1 μm.7. The mold of claim 1 , wherein the pyrolytic carbon film is doped with a dopant selected from the following group: silicon claim 1 , boron claim 1 , chromium claim 1 , tungsten claim 1 , titanium claim 1 , tantalum claim 1 , and combinations thereof.8. The mold of claim 2 , wherein the patterned substrate comprises a crystalline material.9. The method of claim 1 , wherein a surface of the pyrolytic carbon film comprises a halogen termination.10. The method of claim 1 , wherein the pyrolytic carbon film comprises a low pressure chemical vapor deposition (LPCVD) carbon film.11. The method of claim 1 , wherein the pyrolytic carbon film comprises a physical vapor deposition (PVD) carbon film.12. A method for producing a mold claim 1 , the method comprising:providing a patterned substrate; anddepositing a pyrolytic carbon film on the patterned substrate.13. The method of claim 12 , wherein depositing ...

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Номер записи: 61
25-06-2015 дата публикации

MOLD ASSEMBY WITH CONCENTRIC TUBES FOR LEAKPROOF SUPPLY OF FLUID AND VACUUM

Номер: US20150175468A1
Автор: Sheehan Brian Christopher, Wasson Kevin Lee
Принадлежит:

A mold assembly includes a mold having a mold cavity defined by a mold surface having a three-dimensional shape and at least one opening for communication of fluid or vacuum to the mold cavity. A plenum base is mounted to the mold such that a chamber is defined between the plenum base and the mold, where the chamber is in communication with the at least one opening in the mold. A cooling plate is arranged in the chamber. A fluid passage is defined between the concentrically arranged outer tube and inner tube coupled to the plenum base. One fluid conduit extends through the inner tube and a first opening in the plenum base to the chamber. Another fluid conduit extends from the fluid passage through a side port in the outer tube and a second opening in the plenum base to the cooling plate. 1. A mold assembly , comprising:a mold having a mold cavity defined by a mold surface having a three-dimensional shape and at least one opening for communication of fluid or vacuum to the mold cavity;a plenum base mounted to the mold such that a chamber is defined between the plenum base and the mold, the chamber being in communication with the at least one opening in the mold;a cooling plate arranged in the chamber;an outer tube and an inner tube each having a first end proximate the plenum base and a second end remote from the plenum base, the outer tube and inner tube being concentrically arranged such that a fluid passage is defined between the outer tube and inner tube;a first fluid conduit extending through the inner tube and a first opening in the plenum base to the chamber; anda second fluid conduit extending from the fluid passage through a port in the outer tube and a second opening in the plenum base to the cooling plate.2. The mold assembly of claim 1 , wherein a metal-sealed joint is formed between an end of the outer tube and the plenum base proximate the first opening in the plenum base.3. The mold assembly of claim 1 , wherein the fluid passage is sealed at distal ...

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Номер записи: 62
07-07-2016 дата публикации

Three Dimensional Microstructures And Fabrication Process

Номер: US20160194200A1
Автор: CHO Jae Yoong, NAGOURNEY Tal, NAJAFI Khalil
Принадлежит:

A method for fabricating three-dimensional microstructures is presented. The method includes: disposing a substantially planar reflow material between two molds; heating the reflow material while the reflow material is disposed between the two molds; and reflowing the reflow material towards the bottom surface of one of the molds by creating a pressure gradient across the reflow material. At least one of molds includes geometrics features that help to shape the reflow material and thereby form a complex three-dimensional microstructure. 1. A method for fabricating three-dimensional microstructures , comprising:disposing a substantially planar reflow material on a first mold having a recess formed therein, wherein the recess in the first mold defines a bottom surface and at least one side surface, and the at least one side surface includes a protrusion protruding into the recess;heating the reflow material while the reflow material is disposed on the first mold; andreflowing the reflow material towards the bottom surface of the first mold by creating a pressure gradient across the reflow material, whereby the protrusion in the at least one side surface helps to shape the reflow material and thereby form a three-dimensional microstructure.2. The method of further comprises controlling the pressure gradient across the reflow material independently from heating the reflow material.3. The method further comprises heating the reflow material using a heat source and creating a pressure gradient across the reflow material using a vacuum that differs from the heat source.4. The method of further comprises heating the reflow material above a glass transition temperature for a non-crystalline material or above melting temperature of the reflow material.5. The method of further comprises forming through holes in the bottom surface of the first mold and fluidly coupling the through holes to a pressure source.6. The method of further comprises detaching the reflow material from ...

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Номер записи: 63
07-07-2016 дата публикации

A PROCESS FOR MANUFACTURING AN OPTICAL ELEMENT BY HOT - FORMING A GLASS SHEET

Номер: US20160194236A1
Автор: GHIGO Mauro, PROSERPIO Laura
Принадлежит:

A process for manufacturing an optical element by hot-forming a glass sheet (), comprising the steps of: 12. A process for manufacturing an optical element by hot-forming a glass sheet () , comprising the steps of:{'b': 4', '5', '2', '9', '7', '6, 'setting a mold () provided with a surface () reproducing the shape to be given to the glass sheet () into a cavity () of a base element () of a muffle ();'}{'b': 2', '4', '14', '15', '7', '9, 'positioning the glass sheet () on the mold () with a peripheral edge superimposed to a closure area (, ) of the base element () surrounding said cavity ();'}{'b': 8', '6', '7', '17', '8', '2', '14', '15', '7, 'closing a cover () of said muffle () onto the base element (), so that a closure area () of the cover () maintains the peripheral edge of the glass sheet () in contact with the closure area (, ) of the base element ();'}running a thermal cycle including the step of warming up to a maximum temperature greater than the glass transition temperature of the glass and a step of controlled cooling; and{'b': 7', '8', '2', '4, 'at or after reaching the maximum temperature, generating a pressure difference between the base element () and the cover () so as to press the glass sheet () onto the mold ().'}2. A process as claimed in claim 1 , characterized in that said maximum temperature is greater than the glass transition temperature of the glass by 2-12% claim 1 , and preferably by 3-4%.3. A process as claimed in claim 1 , characterized in that said thermal cycle includes the step of maintaining the maximum temperature for at least 2 hours.4. A process as claimed in claim 1 , characterized in that said controlled cooling step includes the step of cooling with a gradient of less than 5° C./h at least until the glass annealing temperature is reached.5141571781622. A process as claimed in claim 1 , characterized in that at least one of said closure area ( claim 1 , ) of the base element () and a corresponding closure area () of the cover ...

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Номер записи: 64
16-07-2015 дата публикации

GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD THEREOF

Номер: US20150199989A1
Автор: EDA Shinji, Isono Hideki
Принадлежит:

The present invention provides a glass substrate for magnetic disk in which surface irregularity of a principal surface is suppressed and a method for efficiently manufacturing a glass substrate for magnetic disk. The method includes the steps of: forming a sheet glass material by performing press forming to molten glass, a principal surface of the sheet glass material having target flatness for the glass substrate for magnetic disk, the sheet glass material having a surface shape to be ground using a grinding abrasive grain; grinding the sheet glass material using a fixed abrasive grain; and polishing the sheet glass material using a loose abrasive grain, the sheet glass material having surface irregularity of the principal surface ground using the fixed abrasive grain. 1. A manufacturing method of glass substrate for a magnetic disk , the method comprising:performing press forming to molten glass to form a sheet glass material having a surface shape to be ground by using a grinding abrasive grain; andgrinding the sheet glass material by using a fixed abrasive grain.2. The manufacturing method of glass substrate for a magnetic disk according to claim 1 , whereinthe sheet glass material is formed thicker than a target thickness of the glass substrate for magnetic disk by 10 μm to 150 μm; andthe sheet glass material is processed to the target thickness by the grinding.3. The manufacturing method of glass substrate for a magnetic disk according to claim 1 , wherein a pair of dies is opened immediately after the press forming is performed.4. The manufacturing method of glass substrate for a magnetic disk according to claim 1 , wherein the grinding is performed by using a diamond sheet with diamond particles.5. The manufacturing method of glass substrate for a magnetic disk according to claim 1 , further comprising scribing the sheet glass material between the performing the press forming and the grinding.6. The manufacturing method of glass substrate for a magnetic ...

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Номер записи: 65
11-06-2020 дата публикации

GLASS STRUCTURE, GLASS STRUCTURE FORMING SYSTEM, AND METHOD OF MAKING GLASS STRUCTURE

Номер: US20200180991A1
Автор: Boek Heather Debra, Dannoux Thierry Luc Alain
Принадлежит:

A multi-well glass-containing structure, and system and method to manufacture the structure are provided. The structure can be a glass plate having a well defined by a rim at a top of the plate to define a well opening, a well bottom at a bottom of the plate spaced away from the rim by a well wall extending from the rim to the well bottom. A well aspect ratio of the depth of the well to a maximum surface dimension of the well opening can be in a range from 40% to 100%. The inner surface of the well can have an average roughness, Ra, of less than 600 nm. The system can include a mold with a coefficient of thermal expansion that matches the glass-containing structure and the method can include forming the glass plate at a viscosity of about 10to 10poises. 1. A multi-well glass-containing structure , comprising:at least one well,wherein the at least one well is defined by a top rim, at least one wall, and a well bottom,wherein the top rim is at a top of a plate to define a well opening, the well bottom is at a bottom of the plate, and the at least one wall extends from the top rim to the well bottom,{'sub': w', 'max', 'w', 'max, 'wherein a well aspect ratio, AR, of the depth of the at least one well, d, to a maximum surface dimension of the well opening, D, AR=d/D×100%, is in a range from 40% to 100%, and'}wherein an inner surface of the at least one well has an average roughness measured by profilometer ZYGO™ New View 7300™ instrument, Ra, of Ra<600 nm.2. The structure of claim 1 , wherein an inner surface of the at least one well has a Ra<250 nm.3. The structure of claim 1 , wherein an inner surface of the at least one well has a Ra<60 nm.4. The structure of claim 1 , wherein the at least one wall comprises a thickness between about 50 microns and 500 microns.5. The structure of claim 1 , wherein the at least one well comprises a shape in the form of any of a circular frustum claim 1 , an oval frustum claim 1 , an asymmetrical frustum claim 1 , a symmetrical frustum ...

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Номер записи: 66
25-09-2014 дата публикации

METHOD OF MANUFACTURING COVER GLASS PLATE

Номер: US20140283553A1
Автор: Tomisaka Toshiya
Принадлежит: KONICA MINOLTA, INC.

Method of manufacturing cover glass plate includes drop step, press step and processing step. In the drop step, molten glass is dropped onto lower mold. In the press step, the molten glass on the lower mold is pressed with upper mold having concave portion so as to fill the concave portion of the upper mold with the molten glass and furthermore, the concave portion is overlapped to area between the upper mold and the lower mold so as to form preform formed with molded main body having first surface to which the shape of the concave portion of the upper mold is transferred and overlap portion having second surface which is portion other than the molded main body and to which the shape of the lower mold is transferred. In the processing step, all the overlap portion is removed from the preform. 1. A method of manufacturing a cover glass plate , the method comprising:a drop step of dropping molten glass onto a lower mold;a press step of pressing the molten glass on the lower mold with an upper mold having a concave portion so as to fill the concave portion of the upper mold with the molten glass and of overlapping the concave portion to an area between the upper mold and the lower mold so as to form a preform formed with a molded main body having a first surface to which a shape of the concave portion of the upper mold is transferred and an overlap portion having a second surface which is a portion other than the molded main body and to which a shape of the lower mold is transferred; anda processing step of removing all the overlap portion from the preform.2. The method of manufacturing a cover glass plate according to claim 1 ,wherein in the press step, an upper surface and a side surface of the cover glass plate are formed with the concave portion of the upper mold, and in the processing step, surface grinding or surface polishing is performed on the second surface so as to form a lower surface of the cover glass plate.3. The method of manufacturing a cover glass ...

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Номер записи: 67
25-09-2014 дата публикации

MOLDING APPARATUS AND MOLDING METHOD OF GLASS CASINGS

Номер: US20140283555A1
Автор: MASUDA Kenichi
Принадлежит: Asahi Glass Company, Limited

The present invention provides a molding apparatus and a molding method of glass casings capable of improving a productivity of glass casings. In a molding apparatus of glass casings being a molding apparatus of glass casings in which a plate-shaped glass material is press-molded by molding molds formed of an upper mold unit and a lower mold unit , and the molding apparatus has a heating plate , pressing plates and a cooling plate performing a heating process, a pressing process and a cooling process, respectively, on the mounted glass material, and a control unit controlling the respective processes, and a plurality of upper molds and lower molds provided to the upper mold unit and the lower mold unit are respectively and independently held within each unit in a movable manner in a horizontal direction. 1. A molding apparatus of glass casings , comprising , in a molding apparatus of glass casings capable of simultaneously molding a plurality of glass casings by sequentially conveying a plate-shaped glass material to each of a heating stage , a pressing stage and a cooling stage provided inside of a chamber , in which in the pressing stage , the glass material is press-molded using molding mold units formed of an upper mold unit having a plurality of upper molds and a lower mold unit having a plurality of lower molds ,an aligning unit aligning molding surfaces of the upper molds and the lower molds corresponded to each other to satisfy a predetermined positional relationship by horizontally moving the upper molds and the lower molds at the time of pressing, the upper molds and the lower molds being respectively and independently held within each unit in a movable manner in a horizontal direction by the upper mold unit and the lower mold unit.2. The molding apparatus of the glass casings according to claim 1 ,wherein, in the molding apparatus, the lower mold unit on which the glass material is mounted, is mounted on the respective heating stage, pressing stage and ...

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Номер записи: 68
12-07-2018 дата публикации

METHOD AND APPARATUS FOR BENDING THIN GLASS

Номер: US20180194663A1
Автор: Le Ny Jean-Marie, MANNHEIM ASTETE Mario Arturo, Pozzebon Jairton, SUÁREZ Juan Pablo
Принадлежит:

The present invention provides for a method and apparatus for bending multiple sheet of thin glass at the same time on a single set of molds. Multiple sheets of thin glass are stacked onto a full surface female mold. A partial surface male mold is placed onto the thin glass stack. The male mold serves to hold the edges in place and prevents the formation of wrinkles as the glass is heated and sags to conform to the shape of the female mold. Optionally, the top mold can be enclosed and pressurized to provide a pneumatic pressure assist to form the glass. In addition, the bottom mold can be enclosed to allow for vacuum assist to form the glass. 1. A method for bending thin glass , comprising:stacking one or more sheets of the thin glass onto a full surface bottom mold;applying a partial surface top mold to said stack of thin glass, said top mold contacting the glass in at least the periphery area of the glass;heating said thin glass to its glass transition point; andallowing thin glass to sag under the force of gravity.2. The method of claim 1 , wherein the thickness of the thin glass is of less than 1.8 mm.3. The method of claim 1 , further comprising applying a clamping force to the glass by clamping means.4. The method of claim 1 , further comprising aligning said glass and molds by aligning means.5. The method of claim 1 , wherein the full surface bottom mold is formed by bending a sheet of glass having a glass transition point that is sufficiently higher than that of the said thin glass and having a thickness sufficient for said mold to retain its shape during bending of said thin glass.6. The method of claim 1 , wherein the said partial surface top mold comprises a ring type structure.7. The method of claim 1 , further comprising applying pneumatic pressure to said partial surface top mold constructed such as to enclose a volume of air and serve as a plenum.8. The method of claim 1 , further comprising applying vacuum to said full surface bottom mold constructed ...

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Номер записи: 69
13-07-2017 дата публикации

MOLD, METHOD FOR PRODUCING A MOLD, AND METHOD FOR FORMING A MOLD ARTICLE

Номер: US20170197865A1
Автор: Breymesser Alexander, Brockmeier Andre, Denifl Guenter, Kahn Markus
Принадлежит:

Various embodiments provide a mold including a pyrolytic carbon film disposed at a surface of the mold. Various embodiments relate to using a low pressure chemical vapor deposition process (LPCVD) or using a physical vapor deposition (PVD) process in order to form a pyrolytic carbon film at a surface of a mold. 1. A method for producing a mold , the method comprising:providing a patterned substrate; anddepositing a pyrolytic carbon film on the patterned substrate.2. The method of claim 1 , wherein depositing the pyrolytic carbon film comprises depositing the pyrolytic carbon film through a low pressure chemical vapor deposition (LPCVD) process.3. The method of claim 2 , wherein depositing the pyrolytic carbon film comprises directing a vapor comprising a carbon precursor onto the patterned substrate.4. The method of claim 3 , wherein the carbon precursor comprises a hydrocarbon.5. The method of claim 3 , wherein the vapor further comprises an inert gas.6. The method of claim 3 , wherein the vapor has a temperature of about 350° C. to about 950° C.7. The method of claim 2 , wherein the pyrolytic carbon film is deposited on the mold in a deposition chamber under a pressure of about 1 Torr to about 100 Torr.8. The method of claim 1 , wherein depositing the pyrolytic carbon film comprises depositing the pyrolytic carbon film through physical vapor deposition (PVD).9. The method of claim 8 , further comprising annealing at least the pyrolytic carbon film.10. The method of claim 1 , wherein the at least one opening has a depth-to-width aspect ratio greater than or equal to 20.11. The method of claim 1 , further comprising forming the patterned substrate from a crystalline substrate.12. The method of claim 11 , wherein forming the provided patterned substrate comprises etching the crystalline substrate.13. The method of claim 11 , wherein the crystalline substrate comprises a silicon substrate.14. A method for forming a mold article claim 11 , the method comprising: ...

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Номер записи: 70
02-10-2014 дата публикации

METHOD AND MOLD FOR MANUFACTURING CURVED GLASS SHEET

Номер: US20140290309A1
Автор: CHANG SHAO-HAN
Принадлежит: HON HAI PRECISION INDUSTRY CO., LTD.

A mold includes a first mold, an second mold located upon the first mold, and a mold core located between the first mold and the second mold. The first mold defines a receiving space, and comprises a bottom surface in the receiving space. The bottom surface in the receiving space defines at least one guiding groove. A bottom surface in the at least one guiding groove defines at least one air outlet. The mold core is received in the receiving space and supported by the bottom surface in the receiving space. The mold core defines a mold cavity and a plurality of micro-holes communicating with the mold cavity and the at least one guiding groove. 1. A mold for manufacturing curved glass sheet , comprising:a first mold defining a receiving space and comprising a bottom surface in the receiving space; the bottom surface in the receiving space defining at least one guiding groove, the at least one guiding groove defining at least one air outlet at a bottom received in the at least one guiding groove;a second mold located upon the first mold; anda mold core located between the first mold and the second mold, the mold core being received in the receiving space, and supported by the bottom surface in the receiving space, the mold core defining a mold cavity facing the second mold and a plurality of micro-holes communicating with the mold cavity and the at least one guiding groove.2. The mold of claim 1 , wherein the second mold defines an opening communicating with the mold cavity.3. The mold of claim 2 , wherein the second mold defines a receiving groove adjacent to the first mold claim 2 , a support surface is formed in the receiving groove claim 2 , and the opening is defined in the support surface.4. The mold of claim 1 , wherein the plurality of micro-holes extend along crisscross directions and are arranged in a matrix.5. The mold of claim 1 , wherein a diameter of each of the plurality of micro-holes is about 0.3 mm.6. The mold of claim 1 , wherein the first mold ...

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Номер записи: 71
18-06-2020 дата публикации

A SYSTEM USED IN DESIGN APPLICATIONS

Номер: US20200189950A1
Автор: AKMAN Seher Oya
Принадлежит:

A system for use in glass production technology such as for production of glass packaging, glassware, glass home equipments, wherein the system allows all kinds of design additions such as color, pattern, texture, decor, seal and form changing processes to be applied to the product without requiring re-firing of the product, after removal of the product from the moulds in the production lines while the product is still hot and the temperature is kept constant. 1. A system for use on a glass production line , for addition of design elements to hot products ejected from the glass production line , wherein said system comprises:at least one rotatable holder that is in connection with the product flow on the production line, for receiving the product from the line for design application and then after design additions replacement of the product to the line;at least one rotatable stabilizer that stabilizes the product removed by the rotatable holder by fastening the product on the rotatable holder;at least one heating element for keeping the product fixed by the holder and the stabilizer at a constant temperature;at least one relief mold located on the heating element wherein said relief mold performs the embossing operations on the product and moves back and forth towards the product;at least one sprayer which applies color and patterning on the product fixed on the holder with the stabilizer and on the product moving on the line;one or more color reservoirs connected to the sprayer in which and the colors required for color and pattern applications to be applied on the product with the sprayer are stored; andat least one control unit wherein the commands for design applications that will be carried on the product that is moving on the production line and product removed from the production line are submitted and which in accordance with these commands arranges that working of the holder, stabilizer, heating element, relief mold, sprayer and color reservoirs and thus ...

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Номер записи: 72
18-06-2020 дата публикации

METHOD OF SHAPING A GLASS SHEET AND GLASS SHAPING LINE UTILIZED THEREIN

Номер: US20200189952A1
Автор: Boisselle Robert J., TOMIK JOHN STEPHAN
Принадлежит:

A method of shaping a glass sheet includes providing a glass sheet. Also, a bending station is provided. The bending station includes a first bending tool. The first bending tool has a shaping surface for receiving the glass sheet. The glass sheet is conveyed on a plurality of rollers to a location above the first bending tool. At least a portion of the glass sheet is supported above the first bending tool by delivering a flow of fluid to a major surface of the glass sheet. The glass sheet is deposited on the shaping surface of the first bending tool. 126.-. (canceled)27. A method of shaping a glass sheet , comprising:providing a glass sheet;providing a bending station comprising a first bending tool, the first bending tool having a shaping surface for receiving the glass sheet;conveying the glass sheet on a plurality of rollers to a location above the first bending tool;supporting at least a portion of the glass sheet above the first bending tool by delivering a flow of fluid to a major surface of the glass sheet; anddepositing the glass sheet on the shaping surface of the first bending tool.28. The method of claim 27 , further comprising moving the plurality of rollers in a direction toward the first bending tool prior to depositing the glass sheet on the first bending tool.29. The method of claim 27 , further comprising supporting the glass sheet on the shaping surface of the first bending tool.30. The method of claim 27 , further comprising conveying the glass sheet on the plurality of rollers at a height and wherein the flow of fluid delivered to the major surface of the glass sheet raises the glass sheet above the height.31. The method of claim 27 , further comprising discharging the flow of fluid from a fluid pad assembly.32. The method of claim 27 , further comprising adjusting the position of the glass sheet relative to the shaping surface of the first bending tool prior to depositing the glass sheet on the shaping surface of the first bending tool.33. The ...

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Номер записи: 73
20-07-2017 дата публикации

PROCESS DECIDING METHOD IN METHOD OF MANUFACTURING OPTICAL ELEMENT, METHOD OF MANUFACTURING OPTICAL ELEMENT, AND OPTICAL ELEMENT

Номер: US20170203990A1
Автор: MORISADA Naoyuki
Принадлежит: OLYMPUS CORPORATION

A process deciding method in a method of manufacturing an optical element by heating and press-molding an optical material to mold the optical element using a molding die on which a release film is formed, includes a basicity degree identifying process in which a degree of basicity of the optical material is identified; and a removing process determining process of determining whether to perform one or both of first removing process in which an oxidizing substance is removed and a second removing process in which a basic substance is removed from at least one of a surface of the optical material and a surface of the release film by comparing the degree of basicity of the optical material identified in the basicity degree identifying process with a predetermined reference value, before press-molding the optical material. 1. A process deciding method in a method of manufacturing an optical element by heating and press-molding an optical material to mold the optical element using a molding die on which a release film is formed , comprising:a basicity degree identifying process in which a degree of basicity of the optical material is identified; anda removing process determining process of determining whether to perform one or both of a first removing process in which an oxidizing substance is removed and a second removing process in which a basic substance is removed from at least one of a surface of the optical material and a surface of the release film by comparing the degree of basicity of the optical material identified in the basicity degree identifying process with a predetermined reference value, before pressing the optical material.2. A process deciding method in a method of manufacturing an optical element by heating and press-molding an optical material to mold the optical element using a molding die on which a release film is formed , comprising:a basicity degree identifying process in which a degree of basicity of the optical material is identified; anda ...

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Номер записи: 74
20-07-2017 дата публикации

MOLDS WITH COATINGS FOR HIGH TEMPERATURE USE IN SHAPING GLASS-BASED MATERIAL

Номер: US20170203992A1
Автор: Hall Jill Marie, Ukrainczyk Ljerka
Принадлежит:

A mold with a multi-layer coating is disclosed. The mold may include a mold body having an outer surface and a multi-layer coating disposed on the outer surface. The multi-layer coating may include a diffusion barrier layer disposed on the outer surface of the mold body and an intermetallic layer disposed on the diffusion barrier layer, wherein the intermetallic layer comprises Ti, Al, and an additional metal selected from the group consisting of Zr, Ta, Nb, Y, Mo, Hf, and combinations thereof The diffusion barrier layer may restrict diffusion of metal from the mold body to the intermetallic layer. 1. A mold comprising: a diffusion barrier layer disposed on the outer surface of the mold body; and', 'an intermetallic layer disposed on the diffusion barrier layer, wherein the intermetallic layer comprises Ti, Al, and an additional metal selected from the group consisting of Zr, Ta, Nb, Y, Mo, Hf, and combinations thereof, and', 'wherein the diffusion barrier layer restricts diffusion of metal from the mold body to the intermetallic layer., 'a mold body having an outer surface and a multi-layer coating disposed on the outer surface, wherein the multi-layer coating comprises2. The mold of claim 1 , further comprising a transition layer disposed between the diffusion barrier layer and the intermetallic layer claim 1 , wherein the transition layer comprises a change in nitrogen content with a higher molar nitrogen content in a portion of the transition layer closest to the diffusion barrier layer and a lower molar nitrogen content in a portion of the transition layer closest to the intermetallic layer.3. The mold of claim 1 , wherein the intermetallic layer comprises a change in the additional metal content with a lower molar content of the additional metal in a portion of the intermetallic layer closest to the diffusion barrier layer and a higher molar content of the additional metal in a portion of the intermetallic layer farthest from the diffusion barrier layer.4. The ...

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Номер записи: 75
20-07-2017 дата публикации

OPTICAL ELEMENT MANUFACTURING METHOD

Номер: US20170204006A1
Автор: Ichinose Jun
Принадлежит:

An optical element manufacturing method includes: heating and softening a molding material so as to mold an optical element; and creating a scattering region outside an effective diameter of the optical element while substantially maintaining an outside dimension of the optical element formed in molding, wherein, in the creating, the scattering region is created in a region outside the effective diameter of the optical element by irradiating the region outside the effective diameter of the optical element with a laser and forming a crack or an altered layer. 1. An optical element manufacturing method comprising:heating and softening a molding material so as to mold an optical element; andcreating a scattering region outside an effective diameter of the optical element while substantially maintaining an outside dimension of the optical element formed in molding, whereinin the creating, the scattering region is created in a region outside the effective diameter of the optical element by irradiating the region outside the effective diameter of the optical element with a laser and forming a crack or an altered layer.2. The optical element manufacturing method according to claim 1 , whereinin the molding, the optical element is molded by using a pair of molding dies and a drum die having a cylindrical shape, the drum die being located around the pair of molding dies, andthe region outside the effective diameter of the optical element is a free surface of the optical element, the free surface being a portion that is not in contact with the pair of molding dies and the drum die.3. The optical element manufacturing element according to claim 1 , whereinthe region outside the effective diameter of the optical element is an outer peripheral surface of the optical element. This is a continuation application of PCT application No. PCT/JP/2014/076796, filed on Oct. 7, 2014, which was not published under PCT Article 21(2) in English.Field of the InventionThe present invention ...

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Номер записи: 76
06-08-2015 дата публикации

GLASS MOLDED ARTICLE AND METHOD FOR PRODUCING SAME, OPTICAL ELEMENT BLANK, AND OPTICAL ELEMENT AND METHOD FOR PRODUCING SAME

Номер: US20150218043A1
Автор: IKENISHI Mikio, Luangjai Jiraporn, Suzuki Shizuo, Wongwee Natthasit
Принадлежит:

[Problem] When heating a glass gob of glass which crystallizes easily to a temperature at which press-molding is possible, there are many cases in which the surface of the glass gob crystallizes and hardens. The problem of surface crystallization of glass gobs when press-molding is particularly prominent with glass to be polished and subjected to press-molding at a high temperature. [Solution] This method for producing a glass molded article includes a step (A) for covering the surface of a glass gob with a covering agent, and a step (B) for heating, softening and molding the glass gob covered by the covering agent. Therein, the covering agent contains components which melts at a temperature equal to or lower than the melting point of the glass configuring the glass gob. 1. A production method of a glass molded article comprisinga step A of coating a surface of glass gob by a coating agent,a step B of heating, softening and molding said glass gob coated with said coating agent; whereinsaid coating agent comprises a component which melts at a temperature equal to or lower than a softening temperature of the glass constituting said glass gob.2. The production method of the glass molded article as set forth in claim 1 , wherein in said step B claim 1 , said glass gob is heated at a temperature so that a viscosity of glass constituting said glass gob is 106 dPa·s or less.3. The production method of the glass molded article as set forth in claim 1 , wherein said coating agent comprises one or more element selected from the group consisting of boron claim 1 , phosphorus claim 1 , silicon and bismuth.4. The production method of the glass molded article as set forth in claim 1 , wherein said coating agent comprises one or more component selected from the group consisting of boric acid claim 1 , borate claim 1 , boric acid ester claim 1 , bismuth borate containing glass claim 1 , zinc borate containing glass claim 1 , alkali silicate claim 1 , phosphoric acid and phosphate.5 ...

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Номер записи: 77
27-07-2017 дата публикации

BENDING TOOL FOR GLASS PANES

Номер: US20170210663A1
Автор: BALDUIN Michael, Dunkmann Benno, Le Ny Jean-Marie, PALMANTIER Arthur, Phan Dang Cuong
Принадлежит:

A bending tool for bending at least one glass pane by means of suction, comprising a frame-like convex contact surface and a cover having a peripheral air guide plate that surrounds the contact surface at least in regions is described. The bending tool is suitable for generating a first, reduced pressure in a first pressure region between the air guide plate and the contact surface; a second reduced pressure in a second pressure region. The second pressure is less than the first pressure; and a third pressure in a third pressure region, wherein the third pressure is greater than the first pressure. 115-. (canceled)16. A bending tool for bending at least one glass pane by means of suction , the bending tool comprising:a frame-like, convex contact surface; anda cover having a peripheral air guide plate that surrounds the convex contact surface at least in regions,wherein the bending tool is configured to generate:a first, reduced pressure in a first pressure region between the peripheral air guide plate and the convex contact surface,a second, reduced pressure in a second pressure region, wherein the second pressure is less than the first pressure, anda third pressure in a third pressure region, wherein the third pressure is greater than the first pressure.17. The bending tool according to claim 16 , wherein the bending tool is further configured to generate the first pressure region for suctioning an edge of the glass pane to be bent with a stream of air at least in sections claim 16 , and for pressing the glass pane against the convex contact surface.18. The bending tool according to claim 16 , wherein the bending tool is further configured to generate the second pressure in at least one corner of the bending tool claim 16 , and to bend at least one corner of the glass pane at a sharper angle than a remaining portion the glass pane.19. The bending tool according to claim 16 , wherein the bending tool is further configured to generate the third pressure region in a ...

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Номер записи: 78
27-07-2017 дата публикации

METHOD FOR MANUFACTURING MICROARRAY LENS

Номер: US20170212281A1
Автор: BAEK Seung Jun, KANG Sang Do, Kwon Hyung Jun, OH Seung Keun
Принадлежит: MPNICS CO., LTD.

A method of manufacturing a microarray lens having a plurality of microlenses includes preparing a substrate having a plurality of depressions on a side, and forming a lens layer corresponding to shapes of the depressions by depositing a lens raw material on the side of the substrate on which the depressions are formed. The method is able to form a plurality of depression in precise aspheric shapes on a substrate and to easily adjust or change the number and the gaps of lenses by forming depressions on a substrate using a probe and depositing a lens layer on the substrate with the depressions. 1: A method of manufacturing a microarray lens having a plurality of microlenses , the method comprising:preparing a substrate having a plurality of depressions on a side; andforming a lens layer corresponding to shapes of the depressions by depositing a lens raw material on the side of the substrate on which the depressions are formed.2: The method of claim 1 , wherein the preparing of a substrate includes:preheating a substrate; andforming a plurality of depressions corresponding to a shape of a convex end of a probe by pressing a side of the preheated substrate with the probe.3: The method of claim 2 , wherein the end of the probe is formed in a spherical or aspheric shape.4: The method of claim 2 , wherein a material of the substrate is glass or chalcogenide.5: The method of claim 2 , wherein the lens raw material of the substrate is glass or germanium (Ge).6: The method of claim 2 , wherein the lens layer is at least 0.1 higher in refractive index than the substrate.7: The method of claim 1 , wherein the forming of a lens layer includes:preparing a lens raw material in a vacuum chamber;evaporating the lens raw material with electronic beams; anddepositing the evaporated lens raw material on a side of the substrate.8. The method of claim 2 , wherein the forming of a lens layer includes:preparing a lens raw material in a vacuum chamber;evaporating the lens raw material with ...

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Номер записи: 79
13-08-2015 дата публикации

Metal Mold Manufacturing Method

Номер: US20150224579A1
Автор: ANDO Hidenori, Arahi Gorou, Matsuda Hiroyuki
Принадлежит: KONICA MINOLTA, INC.

A metal mold manufacturing method is provided, which is capable of forming a metal mold having a plurality of transfer surfaces with positions of optical axes being different by a lathe at high accuracy. An n-th (n is an integer of 1 to 4) side surface SDn of a material of the metal mold abuts against an X-axis directional reference plane of a jig an (n+1)th side surface (but n=1 when n is 4) of a material of the metal mold abuts against a Y-axis directional reference plane of the jig and the material of the metal mold is thus fixed to the jig Subsequently, the n-th transfer surface is formed by cutting the material of the metal mold while rotating the jig and the material of the metal mold together by a lathe. Thereafter, the steps are repeated in a way that raises n by one. 1. A metal mold manufacturing method of work-forming a plurality of transfer surfaces corresponding to optical surfaces of an optical element by use of a lathe on a material of a metal mold with its external shape being an equilateral N-angle shape (N is an even number equal to or larger than “4”) , the material being fitted to a jig including a first reference plane parallel with an axis of rotation of the lathe and a second reference plane parallel with the axis of rotation and extending in a direction intersecting the first reference plane , the method comprising:a first step of getting an n-th (n is an integer equal to or larger than “1”) side surface of the material of the metal mold to abut against the first reference plane of the jig, getting a (n+k)th (k is an integer equal to or larger than “1”) side surface of the material of the metal mold to abut against the second reference plane of the jig, and thus fixing the material of the metal mold to the jig;a second step of forming the transfer surface by cutting the material of the metal mold while rotating the jig and the material of the metal mold together by the lathe; anda third step of forming other transfer surfaces by repeating the ...

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Номер записи: 80
13-08-2015 дата публикации

GLASS COMPONENT FABRICATION METHOD

Номер: US20150225275A1
Автор: Tomisaka Toshiya
Принадлежит: KONICA MINOLTA, INC.

A method for fabricating a glass component including a component main body with a primary face as a molding face and a standing wall which is molded to extend from the peripheral part of the primary face includes a drop step, a press step, and a working step. In the press step, by the filling with the molten glass, an inner wall face of the standing wall and the primary face are molded with the upper die, an outer wall face of the standing wall and a rear face of the primary face are molded with the lower die, the working part is set in the rear face side of the primary face, and in the working step, the working part is ground or polished from the rear face side of the primary face. 1. A method for fabricating a glass component includinga component main body having a main face as a molded face andan upright wall formed to extend from a peripheral part of the component main body, dropping a molten glass onto a lower mold;', 'pressing the molten glass on the lower mold by an upper mold, pressing the molten glass comprising filling a space enclosed by the lower and upper molds with the molten glass to form a preform which includes a molding main body corresponding to the glass component and a to-be-worked portion unnecessary for the glass component; and', 'removing the to-be-worked portion from the preform by grinding or polishing,, 'the method comprising pressing the molten glass comprises: forming an inner wall face of the upright wall and the main face by the upper mold; forming an outer wall face of the upright wall and a reverse face of the main face by the lower mold; and setting the to-be-worked portion on a reverse face side of the main face, and', 'in removing the to-be-worked portion, the to-be-worked portion is ground or polished from the reverse face side of the main face., 'wherein'}2. The method according to claim 1 , whereinin removing the to-be-worked portion, the to-be-worked portion is removed with reference to the main face.3. The method according to ...

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Номер записи: 81
02-08-2018 дата публикации

GLASS CONTAINER AND ONE-PRESS METHOD FOR PRODUCING GLASS CONTAINER

Номер: US20180215643A1
Автор: Takahashi Masahiro
Принадлежит: KOA GLASS CO., LTD

The present invention relates to a glass container having multiple concavities at the bottom plane of a mouth provided with a rim, and a one-press method for producing a glass container, by which such a glass container can be produced with high yield. 1. A glass container comprising a mouth provided with a rim and a body , the glass container having multiple concavities at the bottom plane of the mouth provided with the rim.2. The glass container according to claim 1 , wherein the number of the concavities is adjusted to a value within the range of 2 to 4.3. The glass container according to claim 1 , wherein the thickness of the rim is adjusted to a value within the range of 2 to 4 mm.4. The glass container according to claim 1 , wherein the height of the rim is adjusted to a value within the range of 2 to 12.5 mm5. The glass container according to claim 1 , wherein the thickness of the thinnest portion of a partition section between multiple adjoining concavities is adjusted to a value within the range of 2 to 4.5 mm6. The glass container according to claim 1 , wherein the depth of the concavities is adjusted to a value within the range of 7.5 to 16 mm.7. The glass container according to claim 1 , wherein the total proportion of the opening areas of the multiple concavities with respect to the opening area of the mouth when viewed from the mouth side is adjusted to a value within the range of 50% to 93%.8. A one-press method for producing the glass container according to claim 1 , the method comprising the following Steps (A) to (E):(A) a step of fitting a funnel into a molding mold, and then introducing a gob at 1090° C. to 1150° C. into the molding mold through the funnel;(B) a step of detaching the funnel from the molding mold, and then fitting a baffle into the molding mold;(C) a step of regulating the temperature of the molding surface section in a plunger having multiple convex surfaces on its molding surface section, to a value within the range of 270° C. to ...

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Номер записи: 82
23-10-2014 дата публикации

MANUFACTURING METHOD FOR GLASS MOLDED BODY AND MANUFACTURING APPARATUS FOR GLASS MOLDED BODY

Номер: US20140311185A1
Автор: Fujimoto Tadayuki, Wada Yasumasa, Yamazaki Kiyokane
Принадлежит:

Provided are a manufacturing method for a glass molded body and a manufacturing apparatus for a glass molded body, which employs the manufacturing method. The manufacturing method includes the steps of: heating molds each containing a glass material; press-molding the glass material; and cooling the press-molded glass material. The heating step includes: heating the molds with heating members arranged on both sides of a conveying direction of a support for conveying the molds in one direction; and conveying the two molds through rotation of the support or the like so as to reverse, at least once, an arrangement order of the two molds, which are arranged on a supporting surface of the support conveying the molds between the heating members, with respect to the conveying direction of the support. 1. A manufacturing method for a glass molded body , comprising at least the steps of:heating a plurality of molds each containing a glass material for molding to soften the glass material;press-molding the softened glass material; andcooling the press-molded glass material,the heating, the press-molding, and the cooling being performed while holding the plurality of molds with a support and conveying the plurality of molds in a constant direction,the heating comprising:heating the plurality of molds, which are arranged along a conveying direction of the support, with heating members arranged so as to be able to heat the plurality of molds from both sides of the conveying direction; andconveying the plurality of molds so as to reverse an arrangement order of the plurality of molds, which are arranged on the support, with respect to the conveying direction at least once.2. A manufacturing method for a glass molded body , comprising at least the steps of:heating a plurality of molds each containing a glass material for molding to soften the glass material;press-molding the softened glass material; andcooling the press-molded glass material,the heating, the press-molding, and the ...

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Номер записи: 83
20-08-2015 дата публикации

APPARATUS FOR MANUFACTURING A GLASS MOLDING AND METHOD FOR MANUFACTURING A GLASS MOLDING

Номер: US20150232364A1
Автор: Fujimoto Tadayuki, Yamazaki Kiyokane
Принадлежит:

Provided is an apparatus for glass molding. An apparatus for a glass molding includes: a conveyance section including a turntable turned while holding a mold unit; a molding section to press molding; a replacement section and a preheating section for replacement between the mold unit and a new mold unit, and heating of the glass material disposed inside the new mold unit, wherein the molding section, the replacement section and the preheating section are in adjacent relation to the conveyance section at positions in a circumferential direction about a rotary shaft of the turntable, and wherein the glass molding apparatus includes: a molding section displacement mechanism for displacing the mold unit between the molding section and the conveyance section; and a replacement section displacement mechanism and a preheating section displacement mechanism for displacing the mold unit between the replacement section and the preheating section, and the conveyance section. 1. An apparatus for manufacturing a glass molding by heating a glass material disposed inside a mold unit and press molding the heated glass material , comprising:a conveyance section including a turntable turning with holding the mold unit;a main operation section for performing at least press molding the glass material disposed inside the mold; anda sub-operation section for performing an operation which is different from that in the main operation section and includes replacement between the mold unit after completion of the press molding and a new mold unit, or replacement between a glass molding molded from the mold unit after completion of the press molding and a glass material, and heating of the glass material disposed inside the new mold unit,wherein the main operation section and the sub-operation section are provided in adjacent relation to the conveyance section at respective positions apart from each other in a circumferential direction about a rotary shaft of the turntable, andwherein the ...

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Номер записи: 84
09-08-2018 дата публикации

Method of controlling optical element manufacturing apparatus, mehtod of manufacturing optical element, and optical element manufacturing apparatus

Номер: US20180222784A1
Автор: Ikunori HIROSE
Принадлежит: Olympus Corp

A method of controlling an optical element manufacturing apparatus includes: heating a cavity formed of a pair of upper and lower dies to a first temperature where an optical element material softens and becomes formable by the pair of dies; heating the cavity to a second temperature where the optical element material is deformed due to a weight of the optical element material in a state of not being in contact with the upper die, the second temperature being higher than the first temperature; and pressing the pair of dies for transfer of forming surfaces of the pair of dies onto the optical element material, the forming surfaces being outside a range where a forming surface of a die has been transferred by the deformation due to the weight in the state where the optical element material is not in contact with the upper die at the second temperature.

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Номер записи: 85
30-10-2014 дата публикации

Apparatus and method for manufacturing glass optical element

Номер: US20140318183A1
Автор: Kiyomi Yamada, Masato Nakahama, Takashi Watanabe
Принадлежит: Olympus Corp

An apparatus for manufacturing a glass optical element includes: a heating unit that heats a glass material; a pressurizing unit that pressurizes the glass material; a cooling unit that cools the glass material; a molding room in which the heating unit, the pressurizing unit, and the cooling unit are located; an inert-gas supplying unit that forms a plurality of flows of an inert gas within the molding room by blowing the inert gas in a plurality of directions crossing each other; and an inert-gas emitting unit that emits, from within the molding room, the inert gas supplied into the molding room by the inert-gas supplying unit.

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Номер записи: 86
16-08-2018 дата публикации

METHOD FOR MANUFACTURING A HOLLOW GLASS ITEM

Номер: US20180230037A1
Автор: DECOSTER Gregory
Принадлежит: ARC FRANCE

The present disclosure relates to a method for manufacturing a hollow glass item and, specifically, to a method for manufacturing an item made of hollow pressed glass. The method includes a step of depositing at least one drop of molten glass into a mold intended for modelling a predetermined outer shape of the glass item to be manufactured; a step of pressing the molten glass into the mold by a shaping punch in order to shape the hollow glass item by hollowing out an inside space; a step of marking the glass item with a marking tool which is independent from the shaping punch, in order to imprint at least one raised and/or recessed pattern in the inside space of the glass item; a step of cooling the marked, pressed glass item; and a step of removing the glass item from the mold. 1. A manufacturing process of at least one item made of pressed hollow glass , the manufacturing process comprising:depositing at least one drop of molten glass into a mold configured to model a predetermined outer shape of the at least one hollow glass item;pressing the at least one drop of molten glass against the mold by a forming punch such that an inner volume of the at least one hollow glass item is hollowed out and forms a final overall shape;marking the at least one hollow glass item by a marking tool operable to print at least one of a relief pattern and a recessed pattern on an inner surface of the at least one hollow glass item;cooling the at least one hollow glass item; anddemolding the at least one hollow glass item.2. The manufacturing process according to claim 1 , wherein the marking step is implemented when a temperature of the glass is between 725 and 775 degrees Celsius.3. The manufacturing process according to claim 2 , wherein the temperature of the glass is about 750 degrees Celsius.4. The manufacturing process according to claim 1 , wherein a marking time of the marking step is less than 0.6 seconds.5. The manufacturing process according to claim 1 , wherein a marking ...

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Номер записи: 87
17-08-2017 дата публикации

PROCESS FOR FORMING AN ARTICLE WITH A PRECISION SURFACE

Номер: US20170233281A1
Автор: BANHAM Robert David, CITTERIO Oberto, Valsecchi Giuseppe
Принадлежит: Media Lario S.R.L.

A process for forming an article having at least one precision surface is disclosed. The process includes providing a thin sheet in contact with a surface of a mandrel. The process then includes establishing a pressure differential between opposite sides of the thin sheet using a collapsible enclosure so that the thin sheet is drawn onto the mandrel surface, thereby causing the thin sheet to substantially conform to the shape of the mandrel surface. The shaped thin sheet is then secured to a support member to define the article. The article is then removed from the mandrel. The front surface of the thin sheet defines the precision surface of the article. A process for forming a dual-sided precision article is also disclosed, along with an adaptive optical system and method that employs the precision article. 1. A process for forming a precision article , comprising: providing a thin sheet of material having front and back surfaces; placing the front surface of the thin sheet of material in contact with a surface of a mandrel , wherein the surface of the mandrel has a surface shape; arranging a collapsible enclosure around at least a portion of the thin sheet and at least a portion of the mandrel to form a sealed interior , with a portion of the back surface of the thin sheet interfacing with an external environment; forming at least a partial vacuum in the sealed interior to define a pressure differential between the sealed interior and the external environment , thereby causing the thin sheet to substantially conform to the mandrel surface to form a shaped thin sheet; securing the back side of the thin sheet to a support structure to define the precision article; and removing the precision article from the mandrel.2. The process according to claim 1 , wherein the external environment has a pressure of one atmosphere.3. The process according to claim 1 , wherein the external environment is defined by an environmental control chamber having an interior with a ...

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Номер записи: 88
23-08-2018 дата публикации

SUBSTRATE VACUUM FORMING MOLD AND METHOD

Номер: US20180237327A1
Автор: Chae Kyubong, Jee Hong-keun
Принадлежит:

A vacuum forming mold includes a cavity and a vacuum suction opening communicating with the cavity. The vacuum suction opening is provided in a sidewall surface of the cavity, such that air inside the cavity below a substrate is sucked out through the sidewall surface. A vacuum forming method includes seating a substrate on the vacuum forming mold and subsequently sucking out air inside the cavity below the substrate through the vacuum suction opening, such that the air is sucked out through the sidewall surface. 1. A vacuum forming mold for substrates comprising:a cavity; anda vacuum suction opening communicating with the cavity,wherein the vacuum suction opening is provided in a sidewall surface of the cavity, so that when a substrate is placed in the cavity air inside the cavity below a substrate can be sucked out through the sidewall surface.2. The mold according to claim 1 , wherein the vacuum suction opening is provided in a part of the sidewall surface adjoining a bottom surface of the cavity.3. The mold according to claim 1 , wherein the vacuum suction opening is provided in a lowermost part of the sidewall surface.4. The mold according to claim 1 , wherein the vacuum suction opening is located such that the vacuum suction opening is closed by a side surface of the substrate that has been formed.5. The mold according to claim 4 , wherein the side surface of the substrate that has been formed closes the vacuum suction opening while being in contact with a part of the sidewall surrounding the vacuum suction opening.6. The mold according to claim 1 , wherein a vertical dimension of a gap of the vacuum suction opening is smaller than a thickness of a corresponding side surface of the substrate.7. The mold according to claim 1 , wherein a length of the vacuum suction opening is smaller than a length of a corresponding side surface of the substrate.8. The mold according to claim 1 , whereina bottom surface of the cavity is concave in a first direction and is flat ...

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Номер записи: 89
01-08-2019 дата публикации

MANUFACTURING APPARATUS FOR OPTICAL ELEMENT AND MANUFACTURING METHOD FOR OPTICAL ELEMENT

Номер: US20190233317A1
Автор: MISAKA Motosuke
Принадлежит: OLYMPUS CORPORATION

A manufacturing apparatus for manufacturing an optical element including two spherical segments and a cylindrical portion by performing press molding using a mold on a molding material that is softened by heat includes: a sensor configured to measure one of a diameter and mass of the molding material; a calculator configured to calculate a target thickness of the optical element based on one of the diameter and the mass of the molding material measured by the sensor; and a controller configured to control an inter-mold distance of the mold at a time of press molding such that a thickness of the optical element becomes the target thickness calculated by the calculator unit. 1. A manufacturing apparatus for manufacturing an optical element including two spherical segments and a cylindrical portion by performing press molding using a mold on a molding material that is softened by heat , the manufacturing apparatus comprising:a sensor configured to measure one of a diameter and mass of the molding material;a calculator configured to calculate a target thickness of the optical element based on one of the diameter and the mass of the molding material measured by the sensor; anda controller configured to control an inter-mold distance of the mold at a time of press molding such that a thickness of the optical element becomes the target thickness calculated by the calculator unit.2. The manufacturing apparatus according to claim 1 , wherein the calculator calculates the target thickness of the optical element by:calculating a volume of the molding material based on one of the diameter and the mass of the molding material measured by the sensor; andcalculating heights of the spherical segments and the cylindrical portion of the optical element based on the volume of the molding material, a target outer diameter of the optical element set in advance, and curvatures of the spherical elements of the optical element set in advance.3. The manufacturing apparatus according to ...

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Номер записи: 90
08-09-2016 дата публикации

METHOD FOR MANUFACTURING NANOMETRIC OBJECTS USING THE RUPTURE OF A LAYER DEFORMED BY WRINKLES

Номер: US20160257597A1
Автор: BENAISSA Lamine, Moulet Jean-Sebastien
Принадлежит: Commissariat A L'Energie Atomique Et Aux Energies Alternatives

A method for manufacturing a nanoscale object from a structure including a strained elastic layer on a foundation in a solid state present at a surface of a rigid substrate, the method reiterating: melting the foundation for a duration higher than or equal to 50 ns, thickness of the foundation being at least 20 nm and lower than a predetermined thickness corresponding to a theoretical peak-to-peak amplitude of wrinkles, the melting generating a simultaneous deformation of the elastic layer and of the foundation and a localized contact between the elastic layer and the rigid substrate insulating the regions from the foundation; solidifying the foundation to bring the foundation back to the solid state; until the foundation reaches yield point of the elastic layer. 110-. (canceled)11: A method for manufacturing a nanoscale object from a structure including a strained elastic layer on a foundation in a solid state present at a surface of a rigid substrate , the method comprising:melting the foundation to bring the foundation to a liquid state for a duration higher than or equal to 50 ns, thickness of the foundation being at least 20 nm and lower than a predetermined thickness corresponding to a theoretical peak-to-peak amplitude of wrinkles, the melting resulting in a stress relaxation of the elastic layer which generates a simultaneous deformation, by formation of wrinkles, of the elastic layer and of the foundation, the formation of the wrinkles being accompanied by a localized contact between the elastic layer and the rigid substrate separating regions of the foundation;solidifying the foundation to bring the foundation back to a solid state, the solidification forming a solid structure having wrinkles at the surface;the melting and solidification being reiterated to increase an interval between separated regions of the foundation until the foundation reaches a yield point of the elastic layer.121: The method according to claim , wherein the melting is made by a ...

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Номер записи: 91
23-09-2021 дата публикации

VACUUM CHUCK HAVING ELONGATE GROOVES AND METHOD OF COLD-FORMING CURVED GLASS ARTICLES USING SAME

Номер: US20210292219A1
Автор: Friske Mark Stephen, Knowles Peter, Schweiger Christopher Mark, Timmons Christopher Lee
Принадлежит:

Disclosed are embodiments of a vacuum chuck. The vacuum chuck includes a forming surface having a first longitudinal end, a second longitudinal end, and a curved region. The first longitudinal end and the second longitudinal end define a longitudinal axis, and the curved region defines a radius of curvature along the longitudinal axis. A plurality of elongate grooves are formed into the forming surface in the curved region. Each elongate groove of the plurality of elongate grooves has a length, a width, and a depth extending into the forming surface. The length of each elongate groove is greater than the width. At least one conduit is configured for connection to a vacuum source and is disposed beneath the forming surface. The at least one conduit extends transversely across the plurality of elongate grooves, and the at least one conduit is in fluid communication with the plurality of elongate grooves. 1. A vacuum chuck , comprising:a forming surface comprising a first longitudinal end, a second longitudinal end, and a curved region, wherein the first longitudinal end and the second longitudinal end define a longitudinal axis, and wherein the curved region defines a radius of curvature along the longitudinal axis;a plurality of elongate grooves formed into the forming surface in the curved region, each elongate groove of the plurality of elongate grooves having a length, a width, and a depth extending into the forming surface, wherein the length of each elongate groove is greater than the width; andat least one conduit configured for connection to a vacuum source, the at least one conduit disposed beneath the forming surface and the at least one conduit extending transversely across the plurality of elongate grooves, wherein the at least one conduit is in fluid communication with the plurality of elongate grooves.2. The vacuum chuck of claim 1 , wherein the width of each elongate groove of the plurality of elongate grooves is from 1 mm to 2 mm.3. The vacuum chuck of ...

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Номер записи: 92
07-09-2017 дата публикации

GLASS LIGHT GUIDE PLATE, MOLD, AND METHOD OF MANUFACTURING SAME

Номер: US20170254948A1
Автор: CHANG HSIN-HUA, CHIU CHIN-LUNG, CHUANG YAO-CHIEN, DAI FENG-YUEN, HU CHAU-JIN, HUANG YUNG-LUN, WANG CHUNG-PEI
Принадлежит:

A mold which is made of a porous heat-resistant material comprises a first surface and a second surface opposite to the first surface. A plurality of light guide spots are formed on the first surface. The light guide spots are light guide spots. The first surface is a smooth polished surface, the mold enables direct manufacture of light guide plates for less heat expended. 1. A mold made of a porous heat-resistant material , the mold comprising:a first surface and a second surface opposite to the first surface, wherein the first surface is a smooth polished surface;a plurality of light guide spots formed on the first surface, wherein the light guide spots are substantially hemispherical recesses.2. The mold of claim 1 , wherein each of the light guide spots has a diameter in a range of 30 microns to 400 microns and a depth in a range of about 3 microns to about 40 microns.3. The mold of claim 1 , wherein the porous heat-resistant material is selected from one or more of hexagonal boron nitride (HBN) claim 1 , silicon oxide (SiO2) claim 1 , alumina (Al2O3) claim 1 , and hexagonal layers of carbon (C).4. The mold of claim 1 , wherein the porous heat-resistant material is capable of withstanding temperatures of about 500° C. to about 1500° C.5. The mold of claim 1 , wherein the porous heat-resistant material is made by holes formed in the mold claim 1 , the holes are distributed evenly and mutually connected claim 1 , a size of aperture (d) of the holes is from about 0.1 nanometers (nm) to about 2.1 microns (μm).6. A method of manufacturing a glass light guide plate claim 1 , comprising:providing a mold and a glass substrate, the mold being made of a porous heat-resistant material and comprising a first surface and a second surface opposite to the first surface, the first surface being smooth and polished;forming a plurality of light guide spots in the mold, wherein the light guide spots are substantially hemispherical recesses, the glass substrate comprises an upper ...

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Номер записи: 93
13-09-2018 дата публикации

GLASS VESSEL COMPRISING AN ACCOMMODATED METAL ELEMENT AND METHOD OF PRODUCTION THEREOF

Номер: US20180255949A1
Автор: Fritz Christoph
Принадлежит:

The invention relates to a glass vessel which accommodates a metal element in its base, wherein the glass vessel comprises a lower recess in the base which accommodates the metal element, wherein the metal element is bonded to the base by means of a transparent adhesive at the bottom of the recess and is embedded by a transparent plastic which fills up a remaining area of the recess. The invention further relates to a method for producing a glass vessel. 1. Vessel which accommodates a metal element in its base , characterized in that:the vessel is a glass vessel, andthe vessel comprises a lower recess in the base which accommodates the metal element,wherein the metal element is bonded to the base by means of a transparent adhesive at the bottom of the recess and is further embedded by a transparent plastic which fills up a remaining area of the recess and which adheres to the vessel and the metal element.2. Vessel according to claim 1 , wherein the vessel claim 1 , the recess and the metal element are formed substantially axially symmetrical to an axis claim 1 ,wherein the recess is formed substantially as a flat truncated cone with a base surface with a first diameter and a top surface with a second diameter and a height,wherein the base surface of the truncated cone is the aperture plane of the recess on the lower surface of the base and the top surface of the truncated cone is the bottom of the recess,wherein the depth of the recess corresponds to the height of the truncated cone, andwherein the height of the truncated cone and the diameter of its base surface and the diameter of its top surface are each selected in such a predetermined manner that a half aperture angle of the truncated cone and of the recess, respectively is between 15 and 30 degrees and preferably between 20 and 23 degrees.3. Vessel according to claim 2 , wherein the metal element is substantially formed as a flat cylinder with a height and a diameter claim 2 ,wherein the height of the metal ...

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Номер записи: 94
06-08-2020 дата публикации

METHOD AND DEVICE FOR BENDING PANES

Номер: US20200247705A1
Автор: BRIS Jean Jacques, KAHLEN Werner, PALMANTIER Arthur, PENNERS Jack, ZEICHNER Achim
Принадлежит:

A method for bending panes, includes providing a pane heated to bending temperature, securing the pane against a contact surface of the first bending mould, positioning a press frame for the pane in a first press frame position associated with the first bending mould, transporting the pane on the press frame to a second press frame position associated with the second bending mould, securing the pane against a contact surface of the second bending mould, wherein the press frame is attached to a carrier introduced into the bending zone by a delivery module, and wherein the press frame is moved laterally relative to the first and second bending mould by moving the carrier between the first press frame position and the second press frame position. 1. A method for bending panes in a bending zone having a first bending mould and a second bending mould , comprising:providing a pane heated to bending temperature,securing the pane against a contact surface of the first bending mould,positioning a press frame for the pane in a first press frame position associated with the first bending mould,transporting the pane on the press frame to a second press frame position associated with the second bending mould,securing the pane against a contact surface of the second bending mould,wherein the press frame is attached to a carrier introduced into the bending zone by a delivery module, and wherein the press frame is moved laterally relative to the first and second bending mould by moving the carrier between the first press frame position and the second press frame position.2. The method according to claim 1 , wherein the delivery module is movable and is delivered to the bending zone.3. The method according to claim 1 , wherein at least one tool connectable to the first bending mould and/or to the second bending mould is transported on the carrier between the delivery module and the bending zone.4. The method according to claim 3 , wherein the at least one tool is heated in the ...

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Номер записи: 95
22-09-2016 дата публикации

GLASS SUBSTRATE FORMING APPARATUS

Номер: US20160272529A1
Автор: Chae Kyu Bong, Hong Jae Seon, Kim Jong Hwa, KIM Myung Hwan, Seo Duck Kyo
Принадлежит: Corning Precision Materials Co., Ltd.

The present invention relates to a glass substrate forming apparatus and, more particularly, to a glass substrate forming apparatus that can form a three-dimensionally-shaped glass substrate having various curved surfaces and curvatures without restrictions in terms of the number of curved surfaces and the sizes of the curvatures of the curved surfaces—that is, a three-dimensional glass substrate having at least one side of four sides formed in a curvature and having one of various designs. To this end, the present invention provides a glass substrate forming apparatus characterized by comprising: a molding frame; a forming recess formed in one surface of the molding frame; a plurality of vacuum holes formed in the molding frame and communicating with the forming recess; and a vacuum unit connected to the plurality of vacuum holes, wherein a plurality of vacuum holes are formed into groups for the respective regions of the forming recess and are divided into a plurality of vacuum hole groups, and when individually connected with each of the plurality of vacuum hole groups to form a glass substrate, the vacuum unit sequentially applies vacuum pressure for each region of the glass substrate. 1. An apparatus for shaping a glass substrate , comprising:a shaping frame;a shaping recess disposed on one surface of the shaping frame;a plurality of vacuum holes formed in the shaping frame to communicate with the shaping recess; anda vacuum unit connected to the plurality of vacuum holes,wherein the plurality of vacuum holes is divided into a plurality of vacuum hole groups corresponding to a plurality of areas of the shaping recess respectively, andwherein the vacuum unit is independently connected to each of the plurality of vacuum hole groups to sequentially apply a vacuum pressure to each of a plurality of areas of the glass substrate when shaping the glass substrate.2. The apparatus according to claim 1 , wherein a common path is formed in the shaping frame claim 1 , a ...

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Номер записи: 96
20-09-2018 дата публикации

Glass Piece and Methods of Manufacturing Glass Pieces and Semiconductor Devices with Glass Pieces

Номер: US20180265354A1
Автор: Breymesser Alexander, Brockmeier Andre, Santos Rodriguez Francisco Javier, von Koblinski Carsten
Принадлежит:

A semiconductor element is formed in a mesa portion of a semiconductor substrate. A cavity is formed in a working surface of the semiconductor substrate. The semiconductor substrate is brought in contact with a glass piece made of a glass material and having a protrusion. The glass piece and the semiconductor substrate are arranged such that the protrusion extends into the cavity. The glass piece is bonded to the semiconductor substrate. The glass piece is in-situ bonded to the semiconductor substrate by pressing the glass piece against the semiconductor substrate. During the pressing a temperature of the glass piece exceeds a glass transition temperature and the temperature and a force exerted on the glass piece are controlled to fluidify the glass material and after re-solidifying the protrusion completely fills the cavity. 1. A method of manufacturing a semiconductor device , the method comprising:forming a semiconductor element in a mesa portion of a semiconductor substrate;forming a cavity in a working surface of the semiconductor substrate;bringing the semiconductor substrate in contact with a glass piece made of a glass material and having a protrusion, wherein the glass piece and the semiconductor substrate are arranged such that the protrusion extends into the cavity; andbonding the glass piece to the semiconductor substrate, wherein the glass piece is in-situ bonded to the semiconductor substrate by pressing the glass piece against the semiconductor substrate, wherein during the pressing a temperature of the glass piece exceeds a glass transition temperature and the temperature and a force exerted on the glass piece are controlled to fluidify the glass material and after re-solidifying the protrusion completely fills the cavity.2. The method according to claim 1 , further comprising providing an adhesive material between the semiconductor substrate and the glass piece before bonding claim 1 , wherein the glass piece is adhesive bonded to the semiconductor ...

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Номер записи: 97
29-09-2016 дата публикации

APPARATUS FOR MOLDING GLASS SUBSTRATE

Номер: US20160280576A1
Автор: Hong Jae Seon, Hwang Jae Mun, Kim Bong Chul, Kim Jong Hwa, KIM Myung Hwan, Seo Duck Kyo
Принадлежит: Corning Precision Materials Co., Ltd.

The present invention relates to an apparatus for molding a glass substrate, and more specifically, to an apparatus for molding a glass substrate capable of forming a glass substrate in a 3D shape and preventing the shape of a vacuum hole from transferring onto the surface of the substrate. To this end, the present invention provides the apparatus for molding a glass substrate comprising: a molding frame; a molding groove formed on one surface of the molding frame; at least one vacuum hole formed on the molding frame at the lower portion of the molding groove and is connected to an external vacuum device; and a pressure-reducing groove, which is formed between the molding groove and the vacuum hole and allows communication between the molding groove and the vacuum hole, for reducing vacuum pressure applied to the glass substrate positioned on the molding groove through the vacuum hole. 1. An apparatus for shaping a glass substrate , comprising:a molding frame;a shaping recess disposed on one surface of the molding frame;at least one vacuum hole formed in the molding frame below the shaping recess, the at least one vacuum hole being connected to an external vacuum device; andat least one decompression recess defined between the shaping recess and the at least one vacuum hole such that the shaping recess communicates with the at least one vacuum hole, wherein the at least one decompression recess lessens vacuum pressure applied to the glass substrate disposed on the shaping recess through the at least one vacuum hole.2. The apparatus according to claim 1 , wherein a width of the at least one decompression recess is greater than a width of the at least one vacuum hole.3. The apparatus according to claim 2 , wherein the apparatus comprises a plurality of the vacuum holes and a plurality of the decompression recesses claim 2 , the plurality of the decompression recesses corresponding to the plurality of the vacuum holes respectively.4. The apparatus according to claim 2 ...

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Номер записи: 98
18-12-2014 дата публикации

Apparatus and method for manufacturing cover window

Номер: US20140367027A1
Автор: Moon-Seok Roh
Принадлежит: Samsung Display Co Ltd

A cover window manufacturing apparatus includes a plurality of fixed plates, a plurality of moving plates, a plurality of molds and a driver. The plurality of fixed plates is layered and spaced apart at a distance from each other. The plurality of moving plates is layered, spaced apart at a distance from each other and respectively disposed under the plurality of fixed plates. A plurality of connection members integrally connects the plurality of moving plates with each other. The plurality of molds is respectively provided on the plurality of moving plates, and inner spaces for molding the cover window are respectively defined in the plurality of molds. The driver is coupled to one of the plurality of moving plates, and is configured to move the plurality of moving plates towards the plurality of fixed plates such that the plurality of molds are pressed to the plurality of fixed plates.

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Номер записи: 99
15-10-2015 дата публикации

APPARATUS FOR PRESSING AND PLACING GLASS PREFORMS

Номер: US20150291466A1
Автор: Lesche Klaus, Roeck Gerhard
Принадлежит:

An apparatus for pressing glass preforms and placing the glass preforms into a blowing machine is provided. The apparatus includes a first plunger configured to be reciprocated between a gob-receiving region and a first preform-pressing region, a second plunger configured to be reciprocated between the gob-receiving region and a second preform-pressing region, a first press mold associated with the first plunger and configured to be reciprocated between the first preform-pressing region and a preform-placing region, and a second press mold associated with the second plunger and configured to be reciprocated between the second preform-pressing region and the preform-placing region. The respective plungers are configured interact with the respective associated press molds in the respective preform-pressing regions such that a gob received in the gob-receiving region by one of the respective plungers is formed into a glass preform and received by the respective associated press mold. 1. An apparatus for pressing glass preforms and placing the glass preforms into a blowing machine , the apparatus comprising:a first plunger configured to be reciprocated between a gob-receiving region and a first preform-pressing region;a second plunger configured to be reciprocated between the gob-receiving region and a second preform-pressing region;a first press mold associated with the first plunger and configured to be reciprocated between the first preform-pressing region and a preform-placing region; anda second press mold associated with the second plunger and configured to be reciprocated between the second preform-pressing region and the preform-placing region;wherein the respective plungers are configured interact with the respective associated press molds in the respective preform-pressing regions such that a gob received in the gob-receiving region by one of the respective plungers is formed into a glass preform and received by the respective associated press mold; andwherein ...

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Номер записи: 100