By Gettering Patents (Class 445/41)
  • Patent number: 11930668
    Abstract: It is an object to provide a flexible light-emitting device with long lifetime in a simple way and to provide an inexpensive electronic device with long lifetime using the flexible light-emitting device. A flexible light-emitting device is provided, which includes a substrate having flexibility and a light-transmitting property with respect to visible light; a first adhesive layer over the substrate; an insulating film containing nitrogen and silicon over the first adhesive layer; a light-emitting element including a first electrode, a second electrode facing the first electrode, and an EL layer between the first electrode and the second electrode; a second adhesive layer over the second electrode; and a metal substrate over the second adhesive layer, wherein the thickness of the metal substrate is 10 ?m to 200 ?m inclusive. Further, an electronic device using the flexible light-emitting device is provided.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: March 12, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kaoru Hatano, Satoshi Seo, Takaaki Nagata, Tatsuya Okano
  • Patent number: 8484932
    Abstract: A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for form at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: July 16, 2013
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Peng Liu, Pi-jin Chen, Cai-Lin Guo, Bing-chu Du, Liang Liu, Shou-Shan Fan
  • Patent number: 8314553
    Abstract: A discharge lamp comprising a holed metallic structure that serves as a support for an amalgam Bi—In—X—Hg, a method for controlling pressure of mercury within discharge lamps and a process for manufacturing of the lamps are described.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: November 20, 2012
    Assignee: Saes Getters S.p.A.
    Inventors: Alessio Corazza, Vincenzo Massaro, Stefano Paolo Giorgi
  • Patent number: 8123583
    Abstract: The present invention relates to a method for producing a discharge lamp using a two-stage filling process.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: February 28, 2012
    Assignee: Osram AG
    Inventors: Lothar Hitzschke, Frank Vollkommer
  • Patent number: 7985114
    Abstract: A method for making a field emission lamp generally includes the steps of: (a) providing a cathode emitter; (b) providing a transparent glass tube having a carbon nanotube transparent conductive film and a fluorescent layer, wherein the carbon nanotube transparent conductive film and the fluorescent layer are both disposed on an inner surface of the transparent glass tube; (c) providing a first glass feedthrough, a second glass feedthrough, and a nickel pipe, wherein the first glass feedthrough has an anode down-lead pad and an anode down-lead pole connected to the anode down-lead pad, and the second glass feedthrough has a cathode down-lead pole; (d) securing the nickel pipe to one end of the cathode emitter and securing the other end of the cathode emitter to one end of the cathode down-lead pole of the second glass feedthrough; and (e) melting and assembling the first and second glass feedthroughs to ends of the transparent glass tube respectively.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: July 26, 2011
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Yang Wei, Lin Xiao, Feng Zhu, Liang Liu, Shou-Shan Fan
  • Patent number: 7959483
    Abstract: Provided is a manufacturing method of forming an airtight container including an electron beam irradiation process for irradiating an electron beam to a non-evaporable type getter that has not been activated so as not to activate the non-evaporable type getter, and a sealing process for sealing a seal portion after the electron beam irradiation process.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: June 14, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Sekine, Yoichi Ando, Yasue Sato, Makoto Kojima, Kota Iwasaki
  • Patent number: 7927167
    Abstract: The present invention provides a getter material configured by a pressed powder mixture comprising Ba—Al alloy powder and Ni powder, wherein when the pressed powder mixture is heated in a vacuum atmosphere or an inert gas atmosphere, a temperature at which an exothermic reaction starts is ranging from 750° C. to 900° C. According to this getter material, since the temperature at which the pressed powder mixture starts the exothermic reaction is set within a range from 750° C. to 900° C., there can be provided a getter material and an evaporation type getter device capable of suitably controlling an evaporation amount of getter components under a stable condition, and is excellent in responsiveness because a time ranging from a starting time of heating the getter material to a starting time of evaporation of the getter components can be shortened.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: April 19, 2011
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.
    Inventors: Hiromichi Horie, Yoshiyuki Fukuda, Hiromasa Kato, Nobuaki Nakashima, Yasuhisa Makino
  • Publication number: 20100039032
    Abstract: The frame that holds a discharge vessel in an outer bulb is manufactured from Nb or Zr, said frame acting as getter in an evacuated outer bulb.
    Type: Application
    Filed: June 4, 2009
    Publication date: February 18, 2010
    Applicant: OSRAM Gesellschaft mit beschrankter Haftung
    Inventor: Dieter TRYPKE
  • Patent number: 7500897
    Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: March 10, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mitsutoshi Hasegawa, Ihachiro Gofuku, Masaki Tokioka, Kazuya Shigeoka, Tokutaka Miura
  • Patent number: 7494604
    Abstract: The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: February 24, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Yong Cho, Jay Robert Dorfman
  • Patent number: 7371335
    Abstract: The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: May 13, 2008
    Assignee: E.I. duPont de Nemours and Company
    Inventors: Yong Cho, Jay Robert Dorfman
  • Patent number: 7152433
    Abstract: A method of manufacturing an image display apparatus is provided and includes the steps of bringing panel members that constitute a display panel of the image display apparatus into a bake processing chamber, subjecting to bake processing the display panel members, lowering a temperature of the display panel members, and bringing the display panel members into a seal-bonding processing chamber. Seal-bonding processing is conducted by local heating to a seal-bonding portion.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: December 26, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kohei Nakata
  • Patent number: 7131883
    Abstract: A field emission display (FED) and a manufacturing method thereof are provided. The FED includes a getter portion isolated outwardly from an active display region. This getter portion includes a non-evaporable getter layer for absorbing gas and an electron emission source for activating the getter layer. Accordingly, by activating the non-evaporable getter, the gas generated in the display is easily absorbed, and the FED is maintained in a high vacuum state.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: November 7, 2006
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-sin Park, Sung-hwan Jin, Hyun-ji Lee
  • Patent number: 6888294
    Abstract: The invention concerns a device comprising at least one field effect electron source within a sealed structure, which encompasses an internal space that contains a reducing gas whose purpose is to prevent oxidation of the emissive material of the electron source, whereby the reducing gas is a gas with the formula NxHy where x=1 or 2 and y=3 or 4, and which is advantageously under a pressure of between 10?8 and 10?1 mbar. It also concerns manufacturing processes for such a device and apparatuses for implementing these processes.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: May 3, 2005
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Robert Meyer, Jean-François Boronat, Michel Levis
  • Patent number: 6860779
    Abstract: A method for manufacturing an airtight vessel seals an evacuation tube after evacuating the inside of the vessel using the evacuation tube. A getter previously disposed in the vessel is activated followed by fusing a part of the evacuation tube to seal the vessel while heating the vessel.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: March 1, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidehiko Fujimura, Toru Aruga, Masaaki Ogura
  • Patent number: 6851997
    Abstract: The present invention relates to a process for depositing a calcium getter thin film inside a system operating under vacuum. The process comprises the steps of introducing into the system under vacuum at least one evaporable getter device with an air-stable calcium compound. The system is evacuated until a pressure value P1 is reached. The system is then heated up to the calcium evaporation temperature of the stable compound. The system evacuation continues until a pressure value P2, which is lower than P1, is reached and the system is sealed. In a preferred embodiment, the heating step separates the two evacuation steps.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: February 8, 2005
    Assignee: SAES Getters S.p.A.
    Inventors: Corrado Carretti, Giorgio Longoni
  • Publication number: 20040169469
    Abstract: Disclosed are a non-evaporation type getter excellent in gettering effect, capable of maintaining the inside of a gas-tight container in a display apparatus, particularly a flat panel display apparatus or the like, in a high vacuum condition, easy to mount and less liable to contaminate the inside of the gas-tight container, a display apparatus including the getter, and methods of manufacturing the same. The non-evaporation type getter (20) includes a molded body including at least one element selected from the group consisting of Ti, Zr, Al, V, and Fe as a principal constituent thereof, the molded body formed by powder injection molding. The molded body is composed of a porous body having a porosity of 10 to 30%.
    Type: Application
    Filed: December 31, 2003
    Publication date: September 2, 2004
    Inventor: Yoji Hasegawa
  • Publication number: 20040135505
    Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.
    Type: Application
    Filed: July 23, 2003
    Publication date: July 15, 2004
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Mitsutoshi Hasegawa, Ihachiro Gofuku, Masaki Tokioka, Kazuya Shigeoka, Tokutaka Miura
  • Patent number: 6717363
    Abstract: The formation of leachable mercury upon disposal in a landfill or during TCLP testing of mercury vapor discharge lamps is substantially prevented by incorporation of an amount of gelatin or a degradation product of gelatin which is effective to substantially prevent formation of ferric and cuprous compounds responsible for forming leachable mercury compounds.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: April 6, 2004
    Assignee: General Electric Company
    Inventors: Donald Franklin Foust, David Key Dietrich, Deborah Ann Haitko
  • Patent number: 6652343
    Abstract: An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. A second getter is provided, so that it is insulated from the electron source and the accelerating electrode, which surrounds the first getter.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: November 25, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mitsutoshi Hasegawa, Ihachiro Gofuku, Yasuhiro Hamamoto, Kazuya Shigeoka, Yutaka Arai
  • Patent number: 6648710
    Abstract: A low temperature process for silicon-based field emitter tip sharpening. A rough silicon-based field emitter tip is exposed to xenon difluoride gas in a process chamber to carry out low-temperature, isotropic etching of the rough silicon-based field emitter tip to produce a final, sharpened field emitter tip.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: November 18, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Donald J. Milligan, John Stephen Dunfield
  • Patent number: 6607417
    Abstract: A suction device used in aging process of a microwave tube includes an ion pump and a suction unit respectively connected to an electron gun and a collector located in two opposite ends of the microwave tube. The suction unit includes a barrel communicated with the microwave tube and a getter disposed in the barrel. An electric power source is electrically connected to the getter. Before operation, the microwave tube along with the suction device undergo exhaust process on a heating exhaust station. After that, the electric power source supplies an electric current to electrify and heat the getter to its activation condition. Therefore, the suction device can greatly save the vacuum suction time of the aging process and the cost associated with the production of the microwave tube.
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: August 19, 2003
    Assignee: Air Asia Technology Inc.
    Inventor: Han-Ying Chen
  • Publication number: 20030148696
    Abstract: An image display appratus is manufactured by processing a panel member through a plurality of chambers including ones for a bake processing and a getter processing. The getter processng is performed at a temperature lower than a temperature of the panel member subjected to the bake processing, to prevent degrading of a getter film.
    Type: Application
    Filed: January 17, 2003
    Publication date: August 7, 2003
    Inventors: Tetsuya Kaneko, Kohei Nakata, Toshihiko Miyazaki
  • Patent number: 6565401
    Abstract: A getter film is formed on an inner surface of a funnel portion of a cathode ray tube, and an inner conductor of the cathode ray tube is heated by a heating unit. According to this heating, the gas which is physically adsorbed by the inner conductor of the cathode ray tube other than the getter film is discharged and then chemically adsorbed again by the getter film, whereby a degree of vacuum in the cathode ray tube can be increased.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: May 20, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takeshi Sugano, Etsushi Adachi, Chikayuki Nakamura, Wataru Imanishi
  • Publication number: 20030092347
    Abstract: The present invention relates to a process for depositing a calcium getter thin film inside a system operating under vacuum. The process comprises the steps of introducing into the system under vacuum at least one evaporable getter device with an air-stable calcium compound. The system is evacuated until a pressure value P1 is reached. The system is then heated up to the calcium evaporation temperature of the stable compound. The system evacuation continues until a pressure value P2, which is lower than P1, is reached and the system is sealed. In a preferred embodiment, the heating step separates the two evacuation steps.
    Type: Application
    Filed: November 14, 2002
    Publication date: May 15, 2003
    Inventors: Corrado Carretti, Giorgio Longoni
  • Patent number: 6531818
    Abstract: The invention proposes a pumping tube shape which makes it possible, on the one hand, to guide the pumping tube when positioning the latter on the tile and when producing the seal by heating and, on the other hand, to prevent runs inside the pumping hole. Moreover, the pumping tube of the invention makes it possible to produce an almost ideally distributed homogeneous seal, thereby ensuring that the latter seals reliably. The invention also relates to a plasma display panel having the pumping tube of the invention.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: March 11, 2003
    Assignee: Thomson Licensing S. A.
    Inventor: Alain Normanni
  • Publication number: 20030038597
    Abstract: An object of the present invention is to provide a non-evaporating getter which can maintain the adsorbability for the residual gases, and in addition, can secure sufficient characteristics particularly even when it experiences a high-temperature and low-vacuum condition in the fabrication process of a display unit.
    Type: Application
    Filed: August 16, 2002
    Publication date: February 27, 2003
    Inventors: Masaki Tokioka, Mitsutoshi Hasegawa, Kazuya Shigeoka, Yutaka Arai
  • Patent number: 6517403
    Abstract: The apparatus for sealing face plates (753) and cathodes (754) has three stations (701, 702, 703). The first (701) is a preheater, the second (702) is an alignment and irradiation station and the third (703) is a controlled cooling station. Beneath each station, a vacuum pump (710) capable of drawing ultralow pressures is provided. The preheater is equipped with upper and lower banks of radiant heaters and reflectors (712). The upper heaters are Provided above a quartz: window (713) of a chamber (714) constituting the station. The pressure in the preheater is pumped down to that in the alignment and irradiation station prior to opening of the gate valve between them and transfer of the face plate and cathode. At the alignment and irradiation station, further heaters (716) are provided.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: February 11, 2003
    Inventors: Anthony John Cooper, Floyd R Pothoven
  • Patent number: 6459198
    Abstract: A method of fabricating a high vacuum display with flat form factor, and the display, include an envelope with two major, parallel spaced apart glass sides and a continuous edge therebetween. An opening is formed through one of the glass sides of the envelope. A plate is provided with an area larger than the opening in the envelope. A button with an area slightly smaller than the opening may be formed on one side of the plate. A low temperature melting material is positioned on the plate around the button and the envelope is positioned in a substantial vacuum. The button is placed in the opening with the plate abutting the glass side outside of the envelope and the low temperature melting material is melted using heat and/or pressure to sealingly engage the button within the opening.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: October 1, 2002
    Assignee: Motorola, Inc.
    Inventors: Kenneth A. Dean, Babu R. Chalamala, Dave Uebelhoer, Craig Amrine
  • Publication number: 20020111103
    Abstract: A front substrate and a rear substrate are laid on each other with a sealing frit therebetween. The front substrate, the rear substrate and the sealing frit are heated in a chamber and impurity gas is exhausted from both of the substrates by lowering internal pressure of the chamber. The sealing frit is melted in the chamber by further heating the front substrate, the rear substrate and the sealing frit. The sealing frit is solidified in the chamber and sealing up the front substrate and the rear substrate.
    Type: Application
    Filed: January 22, 2002
    Publication date: August 15, 2002
    Applicant: NEC CORPORATION
    Inventors: Tsuneo Konishi, Ken Ito
  • Publication number: 20020109460
    Abstract: An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. And a second getter is so provided as to be insulated from the electron source and the accelerating electrode and as to surround the first getter.
    Type: Application
    Filed: April 5, 2002
    Publication date: August 15, 2002
    Inventors: Mitsutoshi Hasegawa, Ihachiro Gofuku, Yasuhiro Hamamoto, Kazuya Shigeoka, Yutaka Arai
  • Patent number: 6383050
    Abstract: The invention provides a getter of high performance capable of immediately absorbing a gas generated in an image forming apparatus, and an image forming apparatus exhibiting little luminance variation with the lapse of time and little luminance fluctuation. It also provides a method for producing a getter at a low temperature not effecting other components and in an arbitrary position in a simple manner with a low cost, thereby being adaptable to various processes. The invention relates to a process for forming a non-evaporative getter by a gas deposition method, and to a method of producing an image forming apparatus provided with an electron source, an image forming member for forming an image by irradiation with an electron beam emitted from the electron source, and a non-evaporative getter in a container, which comprises forming the non-evaporative getter by the above-mentioned process for forming the non-evaporative getter.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: May 7, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junri Ishikura, Ihachiro Gofuku, Mitsutoshi Hasegawa
  • Publication number: 20020042240
    Abstract: A method for manufacturing an airtight vessel seals an evacuation tube after evacuating the inside of the vessel using the evacuation tube. A getter previously disposed in the vessel is activated followed by fusing a part of the evacuation tube to seal the vessel while heating the vessel.
    Type: Application
    Filed: May 11, 1999
    Publication date: April 11, 2002
    Inventors: HIDEHIKO FUJIMURA, TORU ARUGA, MASAAKI OGURA
  • Publication number: 20020039870
    Abstract: In a method of manufacturing an image display apparatus, a first member having an electron-emitting device and a second member having a phosphor which is irradiated with an electron emitted from the electron-emitting device to emit light are seal-bonded in a seal bonding chamber in which a vacuum atmosphere is realized. An aging step for the electron-emitting device is performed before the step of seal-bonding.
    Type: Application
    Filed: September 24, 2001
    Publication date: April 4, 2002
    Inventors: Tetsuya Kaneko, Kohei Nakata, Toshihiko Miyazaki
  • Publication number: 20020013115
    Abstract: In a flat panel display containing a getter material, the getter material is activated during the sealing step, and is partially consumed, if the getter activation temperature is lower than the sealing temperature. On the other hand, a very small part of the getter material is activated if the getter activation temperature is higher than the sealing temperature.
    Type: Application
    Filed: July 16, 2001
    Publication date: January 31, 2002
    Applicant: SAES GETTERS JAPAN CO., Ltd.
    Inventor: Chiharu Maeda
  • Publication number: 20020004354
    Abstract: An image display appratus is manufactured by processing a panel member through a plurality of chambers including ones for a bake processing and a getter processing. The getter processng is performed at a temperature lower than a temperature of the panel member subjected to the bake processing, to prevent degrading of a getter film.
    Type: Application
    Filed: March 21, 2001
    Publication date: January 10, 2002
    Inventors: Tetsuya Kaneko, Kohei Nakata, Toshihiko Miyazaki
  • Publication number: 20010036789
    Abstract: A method for cleaning by plasma at least one electrode of a field effect flat display screen, consisting of causing the generation of a plasma in an internal space separating two parallel plates respectively forming the screen bottom and surface, and each supporting at least one electrode, before placing this internal space under vacuum and definitively closing it.
    Type: Application
    Filed: February 26, 2001
    Publication date: November 1, 2001
    Inventor: Denis Vion
  • Patent number: 6283815
    Abstract: An electron source comprises one or more electron-emitting devices, especially of surface conduction type, and is provided with means for supplying an activating substance to device(s). The means comprises preferably a substance source and a heater or electron beam generator for gasifying the substance source. The electron source can be combined with an image-forming member (e.g. fluorecent body) to constitute an image-forming apparatus. The means is used for in situ activation or re-activation of the electron-emitting device(s).
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: September 4, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuya Iwasaki, Toshikazu Ohnishi
  • Patent number: 6186849
    Abstract: A process is disclosed for making grids for flat-panel displays. The screen grids are coated with non-evaporable getter materials and the metal sheet forming the grid is coated with a coating that is as thick as the resulting grid and having at least the same surface area as the image formation zone of the flat-panel display. At least one side of the grid is coated with one or more non-evaporable getter materials and then parts of the sheet thereby coated are selectively removed. Some embodiments of grids produced with such a process are also disclosed.
    Type: Grant
    Filed: October 17, 1999
    Date of Patent: February 13, 2001
    Assignee: Saes Getters S.p.A.
    Inventor: Alessio Corazza
  • Patent number: 6172460
    Abstract: Display device, in particular a PALC device, having a plasma space provided with a capsule (46) comprising getter material for supplying guest material to the plasma, e.g. H2, HD, D2. The capsule remains closed until the critical high temperature processing has been finished.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: January 9, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Johannes P. M. Damen, Ronald Van Rijswijk, Cornelus H. M. Van Bommel
  • Patent number: 6149484
    Abstract: A field emission display (400) includes a cathode plate (410), an anode plate (430), and a mechanical support/getter assembly (300) being disposed between the cathode plate (410) and the anode plate (430). The mechanical support/getter assembly (300) includes a unitary spacer/frame assembly (310) made from a photosensitive glass. A method for fabricating the mechanical support/getter assembly (300) includes the steps of: selectively exposing inter-spacer regions (110) and a getter frame region (120) of a layer (100) of the photosensitive glass to UV radiation, heating the layer (100) to crystallize the UV-exposed regions, and removing the crystallized inter-spacer regions (110) and partially removing the crystallized getter frame regions by contacting the layer (100) with an acid, thereby forming spacer ribs (314) and a getter land (322). The method further includes providing a getter frame (320) on the spacer land (322).
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: November 21, 2000
    Assignee: Motorola, Inc.
    Inventors: Craig Amrine, Clifford L. Anderson, Ronald O. Petersen
  • Patent number: 6139390
    Abstract: A getter (50) situated in a cavity of a hollow structure (40-46), such as a flat-panel device, is activated by directing light energy locally through part of a hollow structure and onto the getter. The light energy is typically provided by a laser beam (60). The getter, typically of the non-evaporable type, is usually inserted as a single piece of gettering material into the cavity. The getter normally can be activated/re-activated multiple times in this manner, typically during the sealing of different parts of the structure together.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: October 31, 2000
    Assignee: Candescent Technologies Corporation
    Inventors: Floyd R. Pothoven, Anthony J. Cooper, Igor L. Maslennikov
  • Patent number: 6100640
    Abstract: A getter wire formed in a closed configuration in a vacuum sealed package is inductively heated until it evaporates, thereby forming a thin film on the inner walls of the package to getter gas molecules within the sealed package.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: August 8, 2000
    Assignee: Micron Technology, Inc.
    Inventors: David A. Cathey, Danny Dynka
  • Patent number: 6042443
    Abstract: A process for producing a field emitter flat display includes providing a supported porous layer of a non-evaporable getter material by depositing the non-evaporable getter material on a substrate followed by sintering the deposited material. The substrate having the porous layer of non-evaporable getter material thereon is then housed in an inner space defined by opposing plates. The inner space is then evacuated and hermetically sealed. The non-evaporable getter material is preferably deposited by preparing a suspension of non-evaporable getter material particles in a suspending medium, coating a surface of a substrate with the suspension by, e.g., spraying, and sintering the coating.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: March 28, 2000
    Assignee: Saes Getters S.P.A.
    Inventors: Sergio Carella, Claudio Boffito
  • Patent number: 6033278
    Abstract: The present invention provides an FED with a getter material deposited and activated on the substrates of the faceplate and the baseplate of the FED. In one embodiment of the invention, a large FED includes a faceplate, a baseplate, and an unactivated non-evaporable getter material. The faceplate has a transparent substrate with an inner surface, and a cathodoluminescent material disposed on a portion of the inner surface. The baseplate has a base substrate with a first surface and an emitter array formed on the first surface. The baseplate and the faceplate are coupled together to form a sealed vacuum space in which the inner surface and the first surface are juxtaposed to one another in a spaced-apart relationship across a vacuum gap. The unactivated non-evaporating getter material is deposited directly on the inner surface and/or the first surface.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: March 7, 2000
    Assignee: Micron Technology, Inc.
    Inventors: Charles M. Watkins, David A. Cathey
  • Patent number: 5973445
    Abstract: A FED is provided comprising: an emitter located on a cathode; a pixel located on an anode positioned to receive electrons from the emitter; and a getter located on the anode. According to another aspect of the invention, a method of making an FED is provided comprising: depositing getter material over a tip on a cathode; assembling the cathode with an anode, wherein the getter is between the tip and the anode; and activating the getter, whereby the activation causes the getter to be deposited on the anode.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: October 26, 1999
    Assignee: Micron Technology, Inc.
    Inventor: Charles Martin Watkins
  • Patent number: 5964630
    Abstract: A flat-panel device is fabricated by a process in which a pair of plate structures (40 and 42) are sealed along their interior surfaces (40A and 42B) to opposite edges (44A and 44B) of an outer wall (44) to form a compartment. Subsequently, exterior support structure (64) is attached to the exterior surface of one of the plate structures (40) to significantly increase resistance of the compartment to bending. Exterior support structure (66) is normally likewise attached to the exterior surface of the other plate structure (42) after the sealing operation. The compartment is then typically pumped down to a high vacuum through a suitable pump-out port (46) and closed.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: October 12, 1999
    Assignee: Candescent Technologies Corporation
    Inventors: Marko M. G. Slusarczuk, Duane A. Haven, Christopher J. Curtin, Theodore S. Fahlen
  • Patent number: 5934964
    Abstract: A process for producing a field emitter flat display includes providing a supported porous layer of a non-evaporable getter material by depositing the non-evaporable getter material on a substrate followed by sintering the deposited material. The substrate having the porous layer of non-evaporable getter material thereon is then housed in an inner space defined by opposing plates. The inner space is then evacuated and hermetically sealed. The non-evaporable getter material is preferably deposited by preparing a suspension of non-evaporable getter material particles in a suspending medium, coating a surface of a substrate with the suspension by, e.g., spraying, and sintering the coating.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: August 10, 1999
    Assignee: SAES Getters S.p.A.
    Inventors: Sergio Carella, Claudio Boffito
  • Patent number: 5865658
    Abstract: A FED is provided comprising: an emitter located on a cathode; a pixel located on an anode positioned to receive electrons from the emitter; and a getter located on the anode. According to another aspect of the invention, a method of making an FED is provided comprising: depositing getter material over a tip on a cathode; assembling the cathode with an anode, wherein the getter is between the tip and the anode; and activating the getter, whereby the activation causes the getter to be deposited on the anode.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: February 2, 1999
    Assignee: Micron Display Technology, Inc.
    Inventor: Charles Martin Watkins
  • Patent number: 5849442
    Abstract: A new method for forming an anode plate for a color flat panel Field Emission Displays (FEDs) having improved gettering, was accomplished. The method involves forming on a transparent insulating plate (glass) an array of pixels of three phosphors comprising the primary colors and having in or/and around the array of pixels gettering material to provide more efficient gettering of volatile material from the FED cavity. The electrons are injected into the pixels when the electron field emitters are electrically accessed via the address and image forming circuits. The injected electrons heat and activate the gettering material in and around the pixels and provide very effective gettering in the FED cavity.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: December 15, 1998
    Assignee: Industrial Technology Research Institute
    Inventors: David Nan-Chou Liu, Jammy Chin-Ming Huang, Jyh-Haur Tyan