DE69431333D1 - GaN-Einkristall - Google Patents

GaN-Einkristall

Info

Publication number
DE69431333D1
DE69431333D1 DE69431333T DE69431333T DE69431333D1 DE 69431333 D1 DE69431333 D1 DE 69431333D1 DE 69431333 T DE69431333 T DE 69431333T DE 69431333 T DE69431333 T DE 69431333T DE 69431333 D1 DE69431333 D1 DE 69431333D1
Authority
DE
Germany
Prior art keywords
single crystal
gan single
gan
crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69431333T
Other languages
English (en)
Other versions
DE69431333T2 (de
Inventor
Kazuyuki Tadatomo
Shinichi Watabe
Hiroaki Okagawa
Kazumasa Hiramatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Cable Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP6281594A external-priority patent/JPH07267796A/ja
Priority claimed from JP6281394A external-priority patent/JPH07267787A/ja
Application filed by Mitsubishi Cable Industries Ltd filed Critical Mitsubishi Cable Industries Ltd
Publication of DE69431333D1 publication Critical patent/DE69431333D1/de
Application granted granted Critical
Publication of DE69431333T2 publication Critical patent/DE69431333T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/26Materials of the light emitting region
    • H01L33/30Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
    • H01L33/32Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B25/00Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02Epitaxial-layer growth
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/40AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
    • C30B29/403AIII-nitrides
    • C30B29/406Gallium nitride
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/005Processes
    • H01L33/0062Processes for devices with an active region comprising only III-V compounds
    • H01L33/0075Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/005Processes
    • H01L33/0093Wafer bonding; Removal of the growth substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Led Devices (AREA)
DE69431333T 1993-10-08 1994-10-06 GaN-Einkristall Expired - Lifetime DE69431333T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25309893 1993-10-08
JP6281594A JPH07267796A (ja) 1994-03-31 1994-03-31 GaN単結晶の製造方法
JP6281394A JPH07267787A (ja) 1994-03-31 1994-03-31 化合物半導体の単結晶の製造方法

Publications (2)

Publication Number Publication Date
DE69431333D1 true DE69431333D1 (de) 2002-10-17
DE69431333T2 DE69431333T2 (de) 2003-07-31

Family

ID=27297960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431333T Expired - Lifetime DE69431333T2 (de) 1993-10-08 1994-10-06 GaN-Einkristall

Country Status (3)

Country Link
US (2) US5770887A (de)
EP (1) EP0647730B1 (de)
DE (1) DE69431333T2 (de)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5679152A (en) * 1994-01-27 1997-10-21 Advanced Technology Materials, Inc. Method of making a single crystals Ga*N article
US6600175B1 (en) 1996-03-26 2003-07-29 Advanced Technology Materials, Inc. Solid state white light emitter and display using same
JP3448450B2 (ja) 1996-04-26 2003-09-22 三洋電機株式会社 発光素子およびその製造方法
JP3164016B2 (ja) * 1996-05-31 2001-05-08 住友電気工業株式会社 発光素子および発光素子用ウエハの製造方法
JPH10163114A (ja) * 1996-11-29 1998-06-19 Matsushita Electron Corp 半導体装置およびその製造方法
US6533874B1 (en) 1996-12-03 2003-03-18 Advanced Technology Materials, Inc. GaN-based devices using thick (Ga, Al, In)N base layers
EP2234142A1 (de) 1997-04-11 2010-09-29 Nichia Corporation Nitridhalbleitersubstrat
EP2200071B1 (de) * 1997-10-30 2012-01-18 Sumitomo Electric Industries, Ltd. GaN-Kristallsubstrat und Verfahren zu dessen Herstellung unter Verwendung von Homoepitaxie
US20110163323A1 (en) * 1997-10-30 2011-07-07 Sumitomo Electric Industires, Ltd. GaN SINGLE CRYSTAL SUBSTRATE AND METHOD OF MAKING THE SAME
US6476420B2 (en) * 1997-11-18 2002-11-05 Technologies And Devices International, Inc. P-N homojunction-based structures utilizing HVPE growth III-V compound layers
JPH11274467A (ja) * 1998-03-26 1999-10-08 Murata Mfg Co Ltd 光電子集積回路素子
US6086673A (en) * 1998-04-02 2000-07-11 Massachusetts Institute Of Technology Process for producing high-quality III-V nitride substrates
JPH11340576A (ja) * 1998-05-28 1999-12-10 Sumitomo Electric Ind Ltd 窒化ガリウム系半導体デバイス
US6150674A (en) * 1998-11-06 2000-11-21 Matsushita Electronics Corporation Semiconductor device having Alx Ga1-x N (0<x<1) substrate
US6566256B1 (en) * 1999-04-16 2003-05-20 Gbl Technologies, Inc. Dual process semiconductor heterostructures and methods
US6179913B1 (en) * 1999-04-16 2001-01-30 Cbl Technologies, Inc. Compound gas injection system and methods
US6290774B1 (en) * 1999-05-07 2001-09-18 Cbl Technology, Inc. Sequential hydride vapor phase epitaxy
US6693033B2 (en) 2000-02-10 2004-02-17 Motorola, Inc. Method of removing an amorphous oxide from a monocrystalline surface
US6596079B1 (en) 2000-03-13 2003-07-22 Advanced Technology Materials, Inc. III-V nitride substrate boule and method of making and using the same
US6447604B1 (en) * 2000-03-13 2002-09-10 Advanced Technology Materials, Inc. Method for achieving improved epitaxy quality (surface texture and defect density) on free-standing (aluminum, indium, gallium) nitride ((al,in,ga)n) substrates for opto-electronic and electronic devices
WO2002003437A1 (en) * 2000-06-30 2002-01-10 Motorola, Inc., A Corporation Of The State Of Delaware Hybrid semiconductor structure and device
US6555946B1 (en) 2000-07-24 2003-04-29 Motorola, Inc. Acoustic wave device and process for forming the same
US6562644B2 (en) * 2000-08-08 2003-05-13 Matsushita Electric Industrial Co., Ltd. Semiconductor substrate, method of manufacturing the semiconductor substrate, semiconductor device and pattern forming method
US6638838B1 (en) 2000-10-02 2003-10-28 Motorola, Inc. Semiconductor structure including a partially annealed layer and method of forming the same
US7615780B2 (en) * 2000-10-23 2009-11-10 General Electric Company DNA biosensor and methods for making and using the same
US7053413B2 (en) * 2000-10-23 2006-05-30 General Electric Company Homoepitaxial gallium-nitride-based light emitting device and method for producing
US7102158B2 (en) * 2000-10-23 2006-09-05 General Electric Company Light-based system for detecting analytes
JP3836697B2 (ja) * 2000-12-07 2006-10-25 日本碍子株式会社 半導体素子
US6673646B2 (en) 2001-02-28 2004-01-06 Motorola, Inc. Growth of compound semiconductor structures on patterned oxide films and process for fabricating same
EP1396878A4 (de) * 2001-03-30 2008-09-03 Toyoda Gosei Kk Herstellungsverfahren für ein halbleitersubstrat und halbleiterelement
US7670435B2 (en) * 2001-03-30 2010-03-02 Technologies And Devices International, Inc. Apparatus for epitaxially growing semiconductor device structures with sharp layer interfaces utilizing HVPE
US6806508B2 (en) 2001-04-20 2004-10-19 General Electic Company Homoepitaxial gallium nitride based photodetector and method of producing
US6709989B2 (en) 2001-06-21 2004-03-23 Motorola, Inc. Method for fabricating a semiconductor structure including a metal oxide interface with silicon
US6613143B1 (en) 2001-07-06 2003-09-02 Technologies And Devices International, Inc. Method for fabricating bulk GaN single crystals
US20070032046A1 (en) * 2001-07-06 2007-02-08 Dmitriev Vladimir A Method for simultaneously producing multiple wafers during a single epitaxial growth run and semiconductor structure grown thereby
US6616757B1 (en) 2001-07-06 2003-09-09 Technologies And Devices International, Inc. Method for achieving low defect density GaN single crystal boules
US20060011135A1 (en) * 2001-07-06 2006-01-19 Dmitriev Vladimir A HVPE apparatus for simultaneously producing multiple wafers during a single epitaxial growth run
US20030205193A1 (en) * 2001-07-06 2003-11-06 Melnik Yuri V. Method for achieving low defect density aigan single crystal boules
US7501023B2 (en) * 2001-07-06 2009-03-10 Technologies And Devices, International, Inc. Method and apparatus for fabricating crack-free Group III nitride semiconductor materials
US6936357B2 (en) * 2001-07-06 2005-08-30 Technologies And Devices International, Inc. Bulk GaN and ALGaN single crystals
US6646293B2 (en) 2001-07-18 2003-11-11 Motorola, Inc. Structure for fabricating high electron mobility transistors utilizing the formation of complaint substrates
US6693298B2 (en) 2001-07-20 2004-02-17 Motorola, Inc. Structure and method for fabricating epitaxial semiconductor on insulator (SOI) structures and devices utilizing the formation of a compliant substrate for materials used to form same
US6955933B2 (en) * 2001-07-24 2005-10-18 Lumileds Lighting U.S., Llc Light emitting diodes with graded composition active regions
US6667196B2 (en) 2001-07-25 2003-12-23 Motorola, Inc. Method for real-time monitoring and controlling perovskite oxide film growth and semiconductor structure formed using the method
US6639249B2 (en) 2001-08-06 2003-10-28 Motorola, Inc. Structure and method for fabrication for a solid-state lighting device
US6589856B2 (en) 2001-08-06 2003-07-08 Motorola, Inc. Method and apparatus for controlling anti-phase domains in semiconductor structures and devices
US6673667B2 (en) 2001-08-15 2004-01-06 Motorola, Inc. Method for manufacturing a substantially integral monolithic apparatus including a plurality of semiconductor materials
JP2005530334A (ja) * 2002-04-30 2005-10-06 クリー・インコーポレーテッド 高電圧スイッチング素子およびそれを形成するためのプロセス
US7304128B2 (en) * 2002-06-04 2007-12-04 E.I. Du Pont De Nemours And Company Carbon nanotube binding peptides
AU2003299899A1 (en) 2002-12-27 2004-07-29 General Electric Company Gallium nitride crystal, homoepitaxial gallium-nitride-based devices and method for producing same
JP3595829B2 (ja) * 2003-03-19 2004-12-02 株式会社東北テクノアーチ GaN基板作製方法
JP2005064188A (ja) * 2003-08-11 2005-03-10 Sumitomo Electric Ind Ltd 基板の回収方法および再生方法、ならびに半導体ウエハの製造方法
US7009215B2 (en) * 2003-10-24 2006-03-07 General Electric Company Group III-nitride based resonant cavity light emitting devices fabricated on single crystal gallium nitride substrates
JP4600641B2 (ja) * 2004-01-27 2010-12-15 日立電線株式会社 窒化物半導体自立基板及びそれを用いた窒化物半導体発光素子
WO2005112078A1 (en) * 2004-05-19 2005-11-24 Epivalley Co., Ltd. METHOD FOR MATERIAL GROWTH OF GaN-BASED NITRIDE LAYER
US8142566B2 (en) * 2004-08-06 2012-03-27 Mitsubishi Chemical Corporation Method for producing Ga-containing nitride semiconductor single crystal of BxAlyGazIn1-x-y-zNsPtAs1-s-t (0<=x<=1, 0<=y<1, 0<z<=1, 0<s<=1 and 0<=t<1) on a substrate
KR100513923B1 (ko) * 2004-08-13 2005-09-08 재단법인서울대학교산학협력재단 질화물 반도체층을 성장시키는 방법 및 이를 이용하는 질화물 반도체 발광소자
US7313965B2 (en) * 2004-12-27 2008-01-01 General Electric Company High-temperature pressure sensor
US7527742B2 (en) * 2005-06-27 2009-05-05 Momentive Performance Materials Inc. Etchant, method of etching, laminate formed thereby, and device
JP2006222288A (ja) * 2005-02-10 2006-08-24 Toshiba Corp 白色led及びその製造方法
WO2007023911A1 (ja) * 2005-08-25 2007-03-01 Tohoku Techno Arch Co., Ltd. 半導体基板製造方法
US8425858B2 (en) * 2005-10-14 2013-04-23 Morpho Detection, Inc. Detection apparatus and associated method
US20070086916A1 (en) * 2005-10-14 2007-04-19 General Electric Company Faceted structure, article, sensor device, and method
US8947619B2 (en) 2006-07-06 2015-02-03 Intematix Corporation Photoluminescence color display comprising quantum dots material and a wavelength selective filter that allows passage of excitation radiation and prevents passage of light generated by photoluminescence materials
US20080074583A1 (en) * 2006-07-06 2008-03-27 Intematix Corporation Photo-luminescence color liquid crystal display
TW200806829A (en) * 2006-07-20 2008-02-01 Univ Nat Central Method for producing single crystal gallium nitride substrate
US20080029720A1 (en) * 2006-08-03 2008-02-07 Intematix Corporation LED lighting arrangement including light emitting phosphor
US9416464B1 (en) 2006-10-11 2016-08-16 Ostendo Technologies, Inc. Apparatus and methods for controlling gas flows in a HVPE reactor
US20080192458A1 (en) 2007-02-12 2008-08-14 Intematix Corporation Light emitting diode lighting system
US7972030B2 (en) * 2007-03-05 2011-07-05 Intematix Corporation Light emitting diode (LED) based lighting systems
US8203260B2 (en) * 2007-04-13 2012-06-19 Intematix Corporation Color temperature tunable white light source
US7703943B2 (en) * 2007-05-07 2010-04-27 Intematix Corporation Color tunable light source
JP2008306021A (ja) * 2007-06-08 2008-12-18 Ushio Inc Ledチップの製造方法
TWI342628B (en) * 2007-08-02 2011-05-21 Lextar Electronics Corp Light emitting diode package, direct type back light module and side type backlight module
US8783887B2 (en) 2007-10-01 2014-07-22 Intematix Corporation Color tunable light emitting device
US7915627B2 (en) 2007-10-17 2011-03-29 Intematix Corporation Light emitting device with phosphor wavelength conversion
US8740400B2 (en) 2008-03-07 2014-06-03 Intematix Corporation White light illumination system with narrow band green phosphor and multiple-wavelength excitation
US8567973B2 (en) 2008-03-07 2013-10-29 Intematix Corporation Multiple-chip excitation systems for white light emitting diodes (LEDs)
US20100027293A1 (en) * 2008-07-30 2010-02-04 Intematix Corporation Light Emitting Panel
US8822954B2 (en) * 2008-10-23 2014-09-02 Intematix Corporation Phosphor based authentication system
US8390193B2 (en) * 2008-12-31 2013-03-05 Intematix Corporation Light emitting device with phosphor wavelength conversion
US8651692B2 (en) * 2009-06-18 2014-02-18 Intematix Corporation LED based lamp and light emitting signage
US9293667B2 (en) * 2010-08-19 2016-03-22 Soraa, Inc. System and method for selected pump LEDs with multiple phosphors
US20110110095A1 (en) * 2009-10-09 2011-05-12 Intematix Corporation Solid-state lamps with passive cooling
US8779685B2 (en) * 2009-11-19 2014-07-15 Intematix Corporation High CRI white light emitting devices and drive circuitry
US20110149548A1 (en) * 2009-12-22 2011-06-23 Intematix Corporation Light emitting diode based linear lamps
US20110215348A1 (en) * 2010-02-03 2011-09-08 Soraa, Inc. Reflection Mode Package for Optical Devices Using Gallium and Nitrogen Containing Materials
US8888318B2 (en) 2010-06-11 2014-11-18 Intematix Corporation LED spotlight
US8807799B2 (en) 2010-06-11 2014-08-19 Intematix Corporation LED-based lamps
US8946998B2 (en) 2010-08-09 2015-02-03 Intematix Corporation LED-based light emitting systems and devices with color compensation
CN103155024B (zh) 2010-10-05 2016-09-14 英特曼帝克司公司 具光致发光波长转换的固态发光装置及标牌
US8610341B2 (en) 2010-10-05 2013-12-17 Intematix Corporation Wavelength conversion component
US8957585B2 (en) 2010-10-05 2015-02-17 Intermatix Corporation Solid-state light emitting devices with photoluminescence wavelength conversion
US8614539B2 (en) 2010-10-05 2013-12-24 Intematix Corporation Wavelength conversion component with scattering particles
US9546765B2 (en) 2010-10-05 2017-01-17 Intematix Corporation Diffuser component having scattering particles
US8604678B2 (en) 2010-10-05 2013-12-10 Intematix Corporation Wavelength conversion component with a diffusing layer
US9004705B2 (en) 2011-04-13 2015-04-14 Intematix Corporation LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion
WO2013003522A2 (en) * 2011-06-28 2013-01-03 Saint-Gobain Ceramics & Plastics, Inc. Semiconductor substrate and method of forming
US20130088848A1 (en) 2011-10-06 2013-04-11 Intematix Corporation Solid-state lamps with improved radial emission and thermal performance
US8992051B2 (en) 2011-10-06 2015-03-31 Intematix Corporation Solid-state lamps with improved radial emission and thermal performance
US9365766B2 (en) 2011-10-13 2016-06-14 Intematix Corporation Wavelength conversion component having photo-luminescence material embedded into a hermetic material for remote wavelength conversion
US9115868B2 (en) 2011-10-13 2015-08-25 Intematix Corporation Wavelength conversion component with improved protective characteristics for remote wavelength conversion
CN104247058B (zh) 2012-04-26 2017-10-03 英特曼帝克司公司 用于在远程波长转换中实施色彩一致性的方法及设备
US8994056B2 (en) 2012-07-13 2015-03-31 Intematix Corporation LED-based large area display
US20140185269A1 (en) 2012-12-28 2014-07-03 Intermatix Corporation Solid-state lamps utilizing photoluminescence wavelength conversion components
US9217543B2 (en) 2013-01-28 2015-12-22 Intematix Corporation Solid-state lamps with omnidirectional emission patterns
WO2014151263A1 (en) 2013-03-15 2014-09-25 Intematix Corporation Photoluminescence wavelength conversion components
US9318670B2 (en) 2014-05-21 2016-04-19 Intematix Corporation Materials for photoluminescence wavelength converted solid-state light emitting devices and arrangements
EP3274765A4 (de) 2015-03-23 2018-10-17 Intematix Corporation Photolumineszenzfarbanzeige

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819974A (en) * 1973-03-12 1974-06-25 D Stevenson Gallium nitride metal-semiconductor junction light emitting diode
JPS62119196A (ja) * 1985-11-18 1987-05-30 Univ Nagoya 化合物半導体の成長方法
US4911102A (en) * 1987-01-31 1990-03-27 Toyoda Gosei Co., Ltd. Process of vapor growth of gallium nitride and its apparatus
US5027168A (en) * 1988-12-14 1991-06-25 Cree Research, Inc. Blue light emitting diode formed in silicon carbide
US4918497A (en) * 1988-12-14 1990-04-17 Cree Research, Inc. Blue light emitting diode formed in silicon carbide
EP0377940B1 (de) * 1989-01-13 1994-11-17 Kabushiki Kaisha Toshiba Verbindungshalbleiter, denselben anwendendes Halbleiter-Bauelement und Herstellungsverfahren des Halbleiter-Bauelementes
JP3026087B2 (ja) * 1989-03-01 2000-03-27 豊田合成株式会社 窒化ガリウム系化合物半導体の気相成長方法
US5404369A (en) * 1990-09-12 1995-04-04 Seiko Epson Corporation Surface emission type semiconductor laser
US5281830A (en) * 1990-10-27 1994-01-25 Toyoda Gosei Co., Ltd. Light-emitting semiconductor device using gallium nitride group compound
US5290393A (en) * 1991-01-31 1994-03-01 Nichia Kagaku Kogyo K.K. Crystal growth method for gallium nitride-based compound semiconductor
US5182670A (en) * 1991-08-30 1993-01-26 Apa Optics, Inc. Narrow band algan filter
EP0532815A1 (de) * 1991-09-16 1993-03-24 International Business Machines Corporation Verfahren zur Herstellung von Substraten mit Übereinstimmender kristallographischer Ordnung für Hoch-Tc-Supraleitern
JP3352712B2 (ja) * 1991-12-18 2002-12-03 浩 天野 窒化ガリウム系半導体素子及びその製造方法
US5387459A (en) * 1992-12-17 1995-02-07 Eastman Kodak Company Multilayer structure having an epitaxial metal electrode
US5347157A (en) * 1992-12-17 1994-09-13 Eastman Kodak Company Multilayer structure having a (111)-oriented buffer layer
US5432808A (en) * 1993-03-15 1995-07-11 Kabushiki Kaisha Toshiba Compound semicondutor light-emitting device
US5527766A (en) * 1993-12-13 1996-06-18 Superconductor Technologies, Inc. Method for epitaxial lift-off for oxide films utilizing superconductor release layers
US5393993A (en) * 1993-12-13 1995-02-28 Cree Research, Inc. Buffer structure between silicon carbide and gallium nitride and resulting semiconductor devices
US5523589A (en) * 1994-09-20 1996-06-04 Cree Research, Inc. Vertical geometry light emitting diode with group III nitride active layer and extended lifetime
US5592501A (en) * 1994-09-20 1997-01-07 Cree Research, Inc. Low-strain laser structures with group III nitride active layers
US5530267A (en) * 1995-03-14 1996-06-25 At&T Corp. Article comprising heteroepitaxial III-V nitride semiconductor material on a substrate

Also Published As

Publication number Publication date
US5810925A (en) 1998-09-22
EP0647730A3 (de) 1998-01-28
EP0647730A2 (de) 1995-04-12
US5770887A (en) 1998-06-23
EP0647730B1 (de) 2002-09-11
DE69431333T2 (de) 2003-07-31

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