HK1100100A1 - Process for producing group III nitride substrate - Google Patents

Process for producing group III nitride substrate

Info

Publication number
HK1100100A1
HK1100100A1 HK07107889A HK07107889A HK1100100A1 HK 1100100 A1 HK1100100 A1 HK 1100100A1 HK 07107889 A HK07107889 A HK 07107889A HK 07107889 A HK07107889 A HK 07107889A HK 1100100 A1 HK1100100 A1 HK 1100100A1
Authority
HK
Hong Kong
Prior art keywords
group iii
iii nitride
nitride substrate
producing group
producing
Prior art date
Application number
HK07107889A
Other languages
English (en)
Inventor
Matsumoto Naoki
Original Assignee
Sumitomo Electric Industries
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
Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of HK1100100A1 publication Critical patent/HK1100100A1/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/304Mechanical treatment, e.g. grinding, polishing, cutting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02002Preparing wafers
    • H01L21/02005Preparing bulk and homogeneous wafers
    • H01L21/02027Setting crystal orientation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/06Grinders for cutting-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/04Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/04Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
    • B28D5/045Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
    • C09G1/02Polishing compositions containing abrasives or grinding agents
    • 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
    • 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
    • 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
    • C30B33/00After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/20Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/02Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/12Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/20Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
    • H01L29/2003Nitride compounds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9292Wire tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
HK07107889A 2005-01-07 2007-07-20 Process for producing group III nitride substrate HK1100100A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005002970A JP4525353B2 (ja) 2005-01-07 2005-01-07 Iii族窒化物基板の製造方法
PCT/JP2005/023918 WO2006073094A1 (ja) 2005-01-07 2005-12-27 Iii族窒化物基板の製造方法

Publications (1)

Publication Number Publication Date
HK1100100A1 true HK1100100A1 (en) 2007-09-07

Family

ID=36647576

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07107889A HK1100100A1 (en) 2005-01-07 2007-07-20 Process for producing group III nitride substrate

Country Status (8)

Country Link
US (3) US7223155B2 (zh)
EP (1) EP1739731A4 (zh)
JP (1) JP4525353B2 (zh)
KR (1) KR20070091245A (zh)
CN (2) CN100419967C (zh)
HK (1) HK1100100A1 (zh)
TW (2) TWI405254B (zh)
WO (1) WO2006073094A1 (zh)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7323256B2 (en) * 2003-11-13 2008-01-29 Cree, Inc. Large area, uniformly low dislocation density GaN substrate and process for making the same
KR100667690B1 (ko) * 2004-11-23 2007-01-12 주식회사 실트론 웨이퍼 슬라이싱 방법 및 장치
US8124499B2 (en) * 2006-11-06 2012-02-28 Silicon Genesis Corporation Method and structure for thick layer transfer using a linear accelerator
JP5125098B2 (ja) * 2006-12-26 2013-01-23 信越半導体株式会社 窒化物半導体自立基板の製造方法
JP5007706B2 (ja) * 2008-06-30 2012-08-22 信越半導体株式会社 ワークの切断方法
JP5104830B2 (ja) 2008-09-08 2012-12-19 住友電気工業株式会社 基板
JP5003696B2 (ja) * 2009-02-04 2012-08-15 住友電気工業株式会社 Iii族窒化物基板及びその製造方法
WO2010105240A2 (en) 2009-03-13 2010-09-16 Saint-Gobain Ceramics & Plastics, Inc. Chemical mechanical planarization using nanodiamond
US20120272944A1 (en) * 2009-09-18 2012-11-01 Applied Materials, Inc. Wire saw work piece support device, support spacer and method of sawing using same
DE102010007459B4 (de) * 2010-02-10 2012-01-19 Siltronic Ag Verfahren zum Abtrennen einer Vielzahl von Scheiben von einem Kristall aus Halbleitermaterial
JP5678653B2 (ja) * 2010-12-28 2015-03-04 三菱化学株式会社 六方晶系半導体板状結晶の製造方法
CN107059135B (zh) * 2011-06-02 2019-08-13 住友电气工业株式会社 碳化硅基板的制造方法
CN102229092A (zh) * 2011-06-20 2011-11-02 江西赛维Ldk太阳能高科技有限公司 一种多线切割装置
US9452495B1 (en) 2011-07-08 2016-09-27 Sixpoint Materials, Inc. Laser slicer of crystal ingots and a method of slicing gallium nitride ingots using a laser slicer
JP2013038116A (ja) * 2011-08-04 2013-02-21 Sumitomo Electric Ind Ltd Iii族窒化物結晶基板の製造方法
JP5808208B2 (ja) 2011-09-15 2015-11-10 株式会社サイオクス 窒化物半導体基板の製造方法
WO2013041140A1 (en) * 2011-09-22 2013-03-28 APPLIED MATERIALS SWITZERLAND SàRL Method and apparatus for cutting semiconductor workpieces
KR101390794B1 (ko) * 2011-12-23 2014-05-07 주식회사 엘지실트론 잉곳 절단용 와이어 가이드, 이를 포함한 와이어 쏘 장치 및 잉곳 절단 방법
JP2013258243A (ja) * 2012-06-12 2013-12-26 Sumitomo Electric Ind Ltd 化合物半導体基板の製造方法および製造装置
US9404198B2 (en) * 2012-07-30 2016-08-02 Rayton Solar Inc. Processes and apparatuses for manufacturing wafers
US9499921B2 (en) 2012-07-30 2016-11-22 Rayton Solar Inc. Float zone silicon wafer manufacturing system and related process
CN104603916B (zh) * 2012-09-03 2018-04-17 日立金属株式会社 利用多线切割机对高硬度材料进行切断的切断方法
KR101449572B1 (ko) * 2013-03-25 2014-10-13 한국생산기술연구원 리프트-업 스윙을 구현하는 와이어 쏘
JP6318637B2 (ja) * 2014-01-17 2018-05-09 日立金属株式会社 高硬度材料のマルチワイヤソーによる切断方法
JP6230112B2 (ja) * 2014-01-17 2017-11-15 旭ダイヤモンド工業株式会社 ウェハの製造方法およびウェハの製造装置
JP6245069B2 (ja) * 2014-05-22 2017-12-13 新日鐵住金株式会社 炭化珪素単結晶インゴットのワイヤー加工方法
JP6063436B2 (ja) * 2014-12-18 2017-01-18 Dowaエレクトロニクス株式会社 ウェハ群、ウェハの製造装置、およびウェハの製造方法
KR20190040360A (ko) 2016-09-23 2019-04-17 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 화학적 기계적 평탄화 슬러리 및 이를 형성하는 방법
CN110789014B (zh) * 2019-10-15 2021-11-30 江苏吉星新材料有限公司 一种碳化硅衬底片的切片方法
JP6761916B1 (ja) * 2019-11-29 2020-09-30 Jx金属株式会社 リン化インジウム基板、半導体エピタキシャルウエハ、及びリン化インジウム基板の製造方法
WO2023053476A1 (ja) * 2021-09-30 2023-04-06 有限会社サクセス 半導体結晶ウェハの製造方法および製造装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1119811A (en) * 1980-01-25 1982-03-16 Cominco Ltd. Cutting apparatus for semi-conductor materials
US5669782A (en) * 1993-06-03 1997-09-23 Berg Technology, Inc. Electrical connector
JP2870452B2 (ja) * 1995-05-31 1999-03-17 信越半導体株式会社 ワイヤソー
JP2842307B2 (ja) * 1995-06-30 1999-01-06 住友電気工業株式会社 Iii−v族化合物半導体結晶の切断方法
JP4022672B2 (ja) * 1998-03-04 2007-12-19 株式会社東京精密 スライスベース剥離装置
US6139591A (en) * 1998-03-04 2000-10-31 Tokyo Seimitsu Co., Ltd. Wafer separating and cleaning apparatus and process
JP3788037B2 (ja) * 1998-06-18 2006-06-21 住友電気工業株式会社 GaN単結晶基板
JP3788041B2 (ja) * 1998-06-30 2006-06-21 住友電気工業株式会社 GaN単結晶基板の製造方法
TW417315B (en) * 1998-06-18 2001-01-01 Sumitomo Electric Industries GaN single crystal substrate and its manufacture method of the same
US6335546B1 (en) * 1998-07-31 2002-01-01 Sharp Kabushiki Kaisha Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device
JP3314921B2 (ja) * 1999-06-08 2002-08-19 三菱住友シリコン株式会社 半導体材料の切断・加工方法
JP2001001335A (ja) 1999-06-22 2001-01-09 Toshiba Ceramics Co Ltd ワイヤーソーを用いた単結晶シリコンインゴットのスライス方法
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
JP4659326B2 (ja) * 2000-05-31 2011-03-30 エムイーエムシー・エレクトロニック・マテリアルズ・ソシエタ・ペル・アチオニ 複数の半導体インゴットをスライスするワイヤソー及びプロセス
JP3968968B2 (ja) * 2000-07-10 2007-08-29 住友電気工業株式会社 単結晶GaN基板の製造方法
JP4017811B2 (ja) * 2000-07-12 2007-12-05 東海ゴム工業株式会社 エンジン式熱交換装置の防振支持架台
JP2002046067A (ja) * 2000-08-07 2002-02-12 Yasunaga Corp ワイヤソーの加工液
DE10052154A1 (de) * 2000-10-20 2002-05-08 Freiberger Compound Mat Gmbh Verfahren und Vorrichtung zum Trennen von Einkristallen, Justiervorrichtung und Testverfahren zum Ermitteln einer Orientierung eines Einkristalls für ein derartiges Verfahren
JP4165030B2 (ja) * 2001-04-27 2008-10-15 日亜化学工業株式会社 窒化物半導体から成る単体基板の製造方法
JP3864870B2 (ja) * 2001-09-19 2007-01-10 住友電気工業株式会社 単結晶窒化ガリウム基板およびその成長方法並びにその製造方法
US6802928B2 (en) * 2002-03-29 2004-10-12 Sumitomo Mitsubishi Silicon Corporation Method for cutting hard and brittle material
JP3979578B2 (ja) * 2002-05-01 2007-09-19 株式会社アライドマテリアル 単結晶サファイヤ基板の切断方法および切断装置
FR2842646B1 (fr) * 2002-07-17 2005-06-24 Soitec Silicon On Insulator Procede d'augmentation de l'aire d'une couche utile de materiau reportee sur un support
US7045223B2 (en) * 2003-09-23 2006-05-16 Saint-Gobain Ceramics & Plastics, Inc. Spinel articles and methods for forming same
US7118813B2 (en) * 2003-11-14 2006-10-10 Cree, Inc. Vicinal gallium nitride substrate for high quality homoepitaxy
EP1583190B1 (en) * 2004-04-02 2008-12-24 Nichia Corporation Nitride semiconductor laser device

Also Published As

Publication number Publication date
EP1739731A1 (en) 2007-01-03
CN101335205B (zh) 2011-01-26
JP4525353B2 (ja) 2010-08-18
TWI405254B (zh) 2013-08-11
US20060249135A1 (en) 2006-11-09
US20080277667A1 (en) 2008-11-13
CN101335205A (zh) 2008-12-31
CN1906740A (zh) 2007-01-31
TW200629396A (en) 2006-08-16
EP1739731A4 (en) 2009-11-11
CN100419967C (zh) 2008-09-17
JP2006190909A (ja) 2006-07-20
WO2006073094A1 (ja) 2006-07-13
TW201347025A (zh) 2013-11-16
US7223155B2 (en) 2007-05-29
KR20070091245A (ko) 2007-09-10
US20070105485A1 (en) 2007-05-10
US7464702B2 (en) 2008-12-16

Similar Documents

Publication Publication Date Title
HK1100100A1 (en) Process for producing group III nitride substrate
EP2083099A4 (en) METHOD FOR MANUFACTURING GROUP III ELEMENT NITRIDE CRYSTAL
TWI346356B (en) Process for producing silicon wafer
EP1860213B8 (en) Method for producing group iii nitride crystal
TWI349657B (en) Process for producing dichloropropanol
MX280092B (es) Proceso para producir un compuesto de 5 - hidroxi - 4 - tiometilpirazol.
EP1855312A4 (en) METHOD FOR MANUFACTURING SINGLE CRYSTAL MONOCRYSTAL SUBSTRATE
EP2099068A4 (en) PROCESS FOR THE PRODUCTION OF A METALLIZED ALUMINUM NITRIDE SUBSTRATE
EP1930486A4 (en) METHOD FOR PRODUCING A SEMICONDUCTOR SUBSTRATE
HK1101220A1 (en) Method for manufacturing nitride semiconductor substrate
EP1873131A4 (en) METHOD FOR PRODUCING A CERAMIC SUBSTRATE AND CERAMIC SUBSTRATE
EP1882675A4 (en) PROCESS FOR PRODUCING SILICON
EP2141267A4 (en) METHOD FOR MANUFACTURING GROUP III ELEMENT NITRIDE CRYSTAL
IL178001A0 (en) Process for preparing 5-methyl-2-furfural
TWI372145B (en) Process for preparing alkylanilides
EP2033739A4 (en) PROCESS FOR PRODUCING PLATE
EP1954111A4 (en) PROCESS FOR MANUFACTURING MULTILAYER CERAMIC SUBSTRATE
EP2075312A4 (en) PROCESS FOR PRODUCING NITRIDE OR OXONITRIDE
GB0518383D0 (en) Deposition process
ZA200704972B (en) Processes for producing 4-aminoquinazolines
EP2006262A4 (en) PROCESS FOR PRODUCING FRITTE ALUMINUM NITRIDE
IL192702A0 (en) Process for producing 5-alkoxy-4-hydroxymethylpyrazole compound
EP1906450A4 (en) PROCESS FOR MANUFACTURING A SIMOX SUBSTRATE AND SIMOX SUBSTRATE MANUFACTURED BY THE PROCESS
ZA200804369B (en) Process for producing a silicon nitride compound
EP1869717A4 (en) METHOD OF MANUFACTURING A GROUP III NITRIDE SEMICONDUCTOR ELEMENT

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20121227