KR100277968B1 - 질화갈륨 기판 제조방법 - Google Patents
질화갈륨 기판 제조방법 Download PDFInfo
- Publication number
- KR100277968B1 KR100277968B1 KR1019980039499A KR19980039499A KR100277968B1 KR 100277968 B1 KR100277968 B1 KR 100277968B1 KR 1019980039499 A KR1019980039499 A KR 1019980039499A KR 19980039499 A KR19980039499 A KR 19980039499A KR 100277968 B1 KR100277968 B1 KR 100277968B1
- Authority
- KR
- South Korea
- Prior art keywords
- gallium nitride
- nitride substrate
- reactive ion
- substrate
- polishing
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
- H01L21/30612—Etching of AIIIBV compounds
- H01L21/30621—Vapour phase etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3245—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering of AIIIBV compounds
Abstract
Description
Claims (4)
- 질화갈륨 기판을 준비하는 제 1 단계;상기 질화갈륨 기판을 다이아몬드 슬러리(slurry)로 연마하는 제 2 단계;상기 질화갈륨 기판을 카바이드 화합물로 연마하는 제 3 단계;상기 제 2, 제 3 단계에서 발생한 상기 질화갈륨 기판의 손상층을 반응성 이온 식각하는 제 4 단계;상기 반응성 이온 식각된 질화갈륨 기판을 열처리하여 반응성 이온 식각에 의한 결함층의 특성을 회복시키는 제 5 단계로 이루어지는 것을 특징으로 하는 질화갈륨 기판 제조방법.
- 제 1 항에 있어서, 상기 제 2 단계에서,연마시, 상기 다이아몬드 슬러리의 입자 크기가 큰 것부터 작은 것 순서로 연마하는 것을 특징으로 하는 질화갈륨 기판 제조방법.
- 제 2 항에 있어서, 상기 다이아몬드 슬러리 입자 크기 순서로 연마시, 각 단계 사이에 이전 단계의 입자가 다음 단계에 영향을 주지 않도록 초음파 세척을 하는 것을 특징으로 하는 질화갈륨 기판 제조방법.
- 제 1 항에 있어서, 상기 제 5 단계에서,열처리시, 열처리의 온도는 500 ∼ 1000℃이고, 열처리 시간은 10초 ∼ 1시간인 것을 특징으로 하는 질화갈륨 기판 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980039499A KR100277968B1 (ko) | 1998-09-23 | 1998-09-23 | 질화갈륨 기판 제조방법 |
US09/400,294 US6211089B1 (en) | 1998-09-23 | 1999-09-21 | Method for fabricating GaN substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980039499A KR100277968B1 (ko) | 1998-09-23 | 1998-09-23 | 질화갈륨 기판 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000020751A KR20000020751A (ko) | 2000-04-15 |
KR100277968B1 true KR100277968B1 (ko) | 2001-03-02 |
Family
ID=19551659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980039499A KR100277968B1 (ko) | 1998-09-23 | 1998-09-23 | 질화갈륨 기판 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6211089B1 (ko) |
KR (1) | KR100277968B1 (ko) |
Cited By (1)
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KR20200105260A (ko) * | 2019-02-28 | 2020-09-07 | 에임즈마이크론 주식회사 | 질화갈륨 기판의 가공 장치 및 가공 방법 |
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US20020187427A1 (en) * | 2001-05-18 | 2002-12-12 | Ulrich Fiebag | Additive composition for both rinse water recycling in water recycling systems and simultaneous surface treatment of lithographic printing plates |
US6488767B1 (en) * | 2001-06-08 | 2002-12-03 | Advanced Technology Materials, Inc. | High surface quality GaN wafer and method of fabricating same |
US7067849B2 (en) * | 2001-07-17 | 2006-06-27 | Lg Electronics Inc. | Diode having high brightness and method thereof |
US6949395B2 (en) * | 2001-10-22 | 2005-09-27 | Oriol, Inc. | Method of making diode having reflective layer |
US7148520B2 (en) | 2001-10-26 | 2006-12-12 | Lg Electronics Inc. | Diode having vertical structure and method of manufacturing the same |
US7638346B2 (en) * | 2001-12-24 | 2009-12-29 | Crystal Is, Inc. | Nitride semiconductor heterostructures and related methods |
US8545629B2 (en) | 2001-12-24 | 2013-10-01 | Crystal Is, Inc. | Method and apparatus for producing large, single-crystals of aluminum nitride |
US20060005763A1 (en) * | 2001-12-24 | 2006-01-12 | Crystal Is, Inc. | Method and apparatus for producing large, single-crystals of aluminum nitride |
US7379203B2 (en) * | 2002-03-22 | 2008-05-27 | Laser Substrates, Inc. | Data capture during print process |
US6791120B2 (en) * | 2002-03-26 | 2004-09-14 | Sanyo Electric Co., Ltd. | Nitride-based semiconductor device and method of fabricating the same |
JP2003327497A (ja) * | 2002-05-13 | 2003-11-19 | Sumitomo Electric Ind Ltd | GaN単結晶基板、窒化物系半導体エピタキシャル基板、窒化物系半導体素子及びその製造方法 |
US20060288929A1 (en) * | 2005-06-10 | 2006-12-28 | Crystal Is, Inc. | Polar surface preparation of nitride substrates |
US8349077B2 (en) * | 2005-11-28 | 2013-01-08 | Crystal Is, Inc. | Large aluminum nitride crystals with reduced defects and methods of making them |
CN101331249B (zh) | 2005-12-02 | 2012-12-19 | 晶体公司 | 掺杂的氮化铝晶体及其制造方法 |
JP4939087B2 (ja) * | 2006-03-15 | 2012-05-23 | 住友電気工業株式会社 | 窒化ガリウム系基板、窒化ガリウム系基板の評価方法及び窒化ガリウム系基板の製造方法。 |
US9034103B2 (en) | 2006-03-30 | 2015-05-19 | Crystal Is, Inc. | Aluminum nitride bulk crystals having high transparency to ultraviolet light and methods of forming them |
CN101454487B (zh) * | 2006-03-30 | 2013-01-23 | 晶体公司 | 氮化铝块状晶体的可控掺杂方法 |
US8476158B2 (en) | 2006-06-14 | 2013-07-02 | Sumitomo Electric Industries, Ltd. | Method of preparing and storing GaN substrate, prepared and stored GaN substrate, and semiconductor device and method of its manufacture |
JP4714087B2 (ja) * | 2006-06-14 | 2011-06-29 | 住友電気工業株式会社 | GaN基板の保存方法、および半導体デバイスの製造方法 |
US7585772B2 (en) * | 2006-07-26 | 2009-09-08 | Freiberger Compound Materials Gmbh | Process for smoothening III-N substrates |
EP2024992B1 (de) | 2006-07-26 | 2017-03-01 | Freiberger Compound Materials GmbH | Verfahren zum glätten von iii-n-substraten |
CN107059116B (zh) | 2007-01-17 | 2019-12-31 | 晶体公司 | 引晶的氮化铝晶体生长中的缺陷减少 |
US9771666B2 (en) | 2007-01-17 | 2017-09-26 | Crystal Is, Inc. | Defect reduction in seeded aluminum nitride crystal growth |
WO2008094464A2 (en) * | 2007-01-26 | 2008-08-07 | Crystal Is, Inc. | Thick pseudomorphic nitride epitaxial layers |
US8080833B2 (en) | 2007-01-26 | 2011-12-20 | Crystal Is, Inc. | Thick pseudomorphic nitride epitaxial layers |
US8088220B2 (en) * | 2007-05-24 | 2012-01-03 | Crystal Is, Inc. | Deep-eutectic melt growth of nitride crystals |
US7824929B2 (en) * | 2007-10-22 | 2010-11-02 | Toyoda Gosei Co., Ltd. | Method for producing group III nitride-based compound semiconductor |
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JP5806734B2 (ja) | 2010-06-30 | 2015-11-10 | クリスタル アイエス, インコーポレーテッドCrystal Is, Inc. | 熱勾配制御による窒化アルミニウム大単結晶成長 |
US8962359B2 (en) | 2011-07-19 | 2015-02-24 | Crystal Is, Inc. | Photon extraction from nitride ultraviolet light-emitting devices |
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WO2014151264A1 (en) | 2013-03-15 | 2014-09-25 | Crystal Is, Inc. | Planar contacts to pseudomorphic electronic and optoelectronic devices |
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US3643331A (en) * | 1970-06-24 | 1972-02-22 | Bodo Futterer | Metal plate having stabilized friction properties |
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1998
- 1998-09-23 KR KR1019980039499A patent/KR100277968B1/ko not_active IP Right Cessation
-
1999
- 1999-09-21 US US09/400,294 patent/US6211089B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200105260A (ko) * | 2019-02-28 | 2020-09-07 | 에임즈마이크론 주식회사 | 질화갈륨 기판의 가공 장치 및 가공 방법 |
KR102198949B1 (ko) | 2019-02-28 | 2021-01-06 | 에임즈마이크론 주식회사 | 질화갈륨 기판의 가공 장치 및 가공 방법 |
Also Published As
Publication number | Publication date |
---|---|
US6211089B1 (en) | 2001-04-03 |
KR20000020751A (ko) | 2000-04-15 |
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