KR100647148B1 - 실리콘 웨이퍼용 고순도 알칼리 에칭액 및 실리콘웨이퍼의 알칼리 에칭 방법 - Google Patents
실리콘 웨이퍼용 고순도 알칼리 에칭액 및 실리콘웨이퍼의 알칼리 에칭 방법 Download PDFInfo
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- KR100647148B1 KR100647148B1 KR1020040110308A KR20040110308A KR100647148B1 KR 100647148 B1 KR100647148 B1 KR 100647148B1 KR 1020040110308 A KR1020040110308 A KR 1020040110308A KR 20040110308 A KR20040110308 A KR 20040110308A KR 100647148 B1 KR100647148 B1 KR 100647148B1
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- etching
- silicon wafer
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- alkali etching
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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
- H01L21/3063—Electrolytic etching
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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
- H01L21/30608—Anisotropic liquid etching
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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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02019—Chemical etching
Abstract
Description
Claims (3)
- 삭제
- 알칼리 에칭액을 이용하여 실리콘 웨이퍼를 알칼리 에칭하는 단계를 포함하는 실리콘 웨이퍼의 알칼리 에칭 방법으로서,상기 알칼리 에칭액은Cu, Ni, Mg 및 Cr 원소 함유량이 1ppb 이하, Pb 및 Fe 원소 함유량이 5ppb 이하, Al, Ca 및 Zn 원소 함유량이 10ppb 이하, 질산염(nitrate)을 제외한 질소 화합물, 염화물, 황산염 및 인산염이 1ppm 이하인, 고순도의 수산화나트륨 40∼60wt%을 포함하고,O.O1∼10wt% 의 질산염을 더 포함하는 것을 특징으로 하는 실리콘 웨이퍼의 알칼리 에칭 방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003425672 | 2003-12-22 | ||
JPJP-P-2003-00425672 | 2003-12-22 |
Publications (2)
Publication Number | Publication Date |
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KR20050063733A KR20050063733A (ko) | 2005-06-28 |
KR100647148B1 true KR100647148B1 (ko) | 2006-11-23 |
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KR1020040110308A KR100647148B1 (ko) | 2003-12-22 | 2004-12-22 | 실리콘 웨이퍼용 고순도 알칼리 에칭액 및 실리콘웨이퍼의 알칼리 에칭 방법 |
Country Status (7)
Country | Link |
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US (1) | US7288206B2 (ko) |
EP (1) | EP1548812B1 (ko) |
JP (1) | JP4700333B2 (ko) |
KR (1) | KR100647148B1 (ko) |
CN (1) | CN100415934C (ko) |
DE (1) | DE602004022125D1 (ko) |
TW (1) | TWI254985B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4552616B2 (ja) * | 2004-11-22 | 2010-09-29 | セイコーエプソン株式会社 | エッチング液及びその製造方法、並びに液体噴射ヘッドの製造方法 |
JP4835069B2 (ja) * | 2005-08-17 | 2011-12-14 | 株式会社Sumco | シリコンウェーハの製造方法 |
JP5017709B2 (ja) * | 2006-09-07 | 2012-09-05 | ジルトロニック アクチエンゲゼルシャフト | シリコンウェーハのエッチング方法および半導体シリコンウェーハの製造方法 |
JP2008166805A (ja) * | 2006-12-29 | 2008-07-17 | Siltron Inc | 高平坦度シリコンウェハーの製造方法 |
JP5142592B2 (ja) | 2007-06-06 | 2013-02-13 | 関東化学株式会社 | 基板の洗浄またはエッチングに用いられるアルカリ性水溶液組成物 |
CN101884095B (zh) * | 2007-10-04 | 2012-06-27 | 三菱瓦斯化学株式会社 | 硅蚀刻液和蚀刻方法 |
JP2009141165A (ja) * | 2007-12-07 | 2009-06-25 | Siltronic Japan Corp | シリコンウェハのエッチング方法 |
JP5379441B2 (ja) * | 2008-10-09 | 2013-12-25 | 関東化学株式会社 | 基板処理用アルカリ性水溶液組成物 |
JP5216749B2 (ja) * | 2009-11-02 | 2013-06-19 | ジルトロニック アクチエンゲゼルシャフト | シリコンウエーハの加工方法 |
EP2983195A1 (en) * | 2014-08-04 | 2016-02-10 | EpiGan NV | Semiconductor structure comprising an active semiconductor layer of the iii-v type on a buffer layer stack and method for producing semiconductor structure |
Family Cites Families (10)
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JP3380658B2 (ja) | 1995-09-19 | 2003-02-24 | 鶴見曹達株式会社 | アルカリ溶液の精製方法 |
CN1188817A (zh) * | 1996-11-15 | 1998-07-29 | Memc电子材料有限公司 | 在超声场的存在下用稀化学蚀刻剂控制二氧化硅蚀刻速率 |
JP3686910B2 (ja) | 1997-09-29 | 2005-08-24 | 三菱住友シリコン株式会社 | シリコンウェーハのエッチング方法 |
JP3400694B2 (ja) | 1997-11-14 | 2003-04-28 | 東芝セラミックス株式会社 | シリコンウエハのエッチング方法 |
MY120464A (en) | 1997-12-09 | 2005-10-31 | Shinetsu Handotai Kk | Semiconductor wafer processing method and semiconductor wafers produced by the same |
JP4113288B2 (ja) * | 1998-09-04 | 2008-07-09 | スピードファム株式会社 | 研磨用組成物およびそれを用いたシリコンウェーハの加工方法 |
US6338805B1 (en) * | 1999-07-14 | 2002-01-15 | Memc Electronic Materials, Inc. | Process for fabricating semiconductor wafers with external gettering |
US6225136B1 (en) * | 1999-08-25 | 2001-05-01 | Seh America, Inc. | Method of producing a contaminated wafer |
JP2001250807A (ja) * | 1999-12-28 | 2001-09-14 | Shin Etsu Handotai Co Ltd | エッチング液、エッチング方法及び半導体シリコンウェーハ |
JP3563017B2 (ja) * | 2000-07-19 | 2004-09-08 | ロデール・ニッタ株式会社 | 研磨組成物、研磨組成物の製造方法及びポリシング方法 |
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- 2004-12-06 JP JP2004353252A patent/JP4700333B2/ja active Active
- 2004-12-16 DE DE602004022125T patent/DE602004022125D1/de active Active
- 2004-12-16 EP EP04029853A patent/EP1548812B1/en active Active
- 2004-12-21 TW TW093139905A patent/TWI254985B/zh active
- 2004-12-22 KR KR1020040110308A patent/KR100647148B1/ko active IP Right Grant
- 2004-12-22 CN CNB2004101037349A patent/CN100415934C/zh active Active
- 2004-12-22 US US11/020,832 patent/US7288206B2/en active Active
Also Published As
Publication number | Publication date |
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TW200522194A (en) | 2005-07-01 |
US20050133759A1 (en) | 2005-06-23 |
CN100415934C (zh) | 2008-09-03 |
US7288206B2 (en) | 2007-10-30 |
JP2005210085A (ja) | 2005-08-04 |
KR20050063733A (ko) | 2005-06-28 |
JP4700333B2 (ja) | 2011-06-15 |
TWI254985B (en) | 2006-05-11 |
DE602004022125D1 (de) | 2009-09-03 |
EP1548812B1 (en) | 2009-07-22 |
EP1548812A1 (en) | 2005-06-29 |
CN1648287A (zh) | 2005-08-03 |
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