KR20060133082A - 반도체 웨이퍼의 표면 거칠기 제어용 알칼리 에천트 - Google Patents
반도체 웨이퍼의 표면 거칠기 제어용 알칼리 에천트 Download PDFInfo
- Publication number
- KR20060133082A KR20060133082A KR1020067022989A KR20067022989A KR20060133082A KR 20060133082 A KR20060133082 A KR 20060133082A KR 1020067022989 A KR1020067022989 A KR 1020067022989A KR 20067022989 A KR20067022989 A KR 20067022989A KR 20060133082 A KR20060133082 A KR 20060133082A
- Authority
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- South Korea
- Prior art keywords
- weight
- sodium hydroxide
- wafer
- etchant
- semiconductor wafer
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 230000003746 surface roughness Effects 0.000 title claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 183
- 239000007864 aqueous solution Substances 0.000 claims abstract description 40
- 238000005530 etching Methods 0.000 claims description 32
- 239000003513 alkali Substances 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 22
- 235000012431 wafers Nutrition 0.000 description 78
- 235000011121 sodium hydroxide Nutrition 0.000 description 55
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 20
- 229910052710 silicon Inorganic materials 0.000 description 20
- 239000010703 silicon Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000005498 polishing Methods 0.000 description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 10
- 229960002050 hydrofluoric acid Drugs 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000003486 chemical etching Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture 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
- H01L21/30—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/02—Etching, surface-brightening or pickling compositions containing an alkali metal hydroxide
-
- 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
-
- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture 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
- H01L21/30—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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Weting (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (6)
- 수산화나트륨 수용액으로서, 중량 농도가 55중량%∼70중량%인 것을 특징으로 하는 반도체 웨이퍼의 표면 거칠기 제어용 알칼리 에천트.
- 청구항 1에 있어서, 상기 수산화나트륨 수용액의 중량 농도가 60중량%∼70중량%일 때는, 해당 수용액의 온도가 80℃-90℃이고, 상기 수산화나트륨 수용액의 중량 농도가 55중량%∼60중량%일 때는, 해당 수용액의 온도가 85℃∼90℃인 반도체 웨이퍼의 표면 거칠기 제어용 알칼리 에천트.
- 온도를 80℃∼90℃, 중량 농도를 60중량%∼70중량%로 한 수산화나트륨 수용액 또는 온도를 85℃∼90℃, 중량 농도를 55중량%∼60중량%로 한 수산화나트륨 수용액에, 양면을 경면 연마한 반도체 웨이퍼의 한쪽 주면을 접촉시키고, 해당 주면을 에칭하는 공정을 갖는 반도체 웨이퍼의 제조 방법.
- 청구항 3에 있어서, 상기 에칭 공정 후에, 상기 에천트가 접촉한 웨이퍼의 주면을 산 용액으로 중화하는 공정을 더 갖는 반도체 웨이퍼의 제조 방법.
- 청구항 4에 있어서, 상기 산 용액은 오존을 포함하는 것을 특징으로 하는 반도체 웨이퍼의 제조 방법.
- 청구항 4에 있어서, 상기 산 용액에 의한 중화 공정의 후에, 오존 용액을 이용해 웨이퍼 표면을 처리하는 것을 특징으로 하는 반도체 웨이퍼의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004109870A JP4424039B2 (ja) | 2004-04-02 | 2004-04-02 | 半導体ウェーハの製造方法 |
JPJP-P-2004-00109870 | 2004-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060133082A true KR20060133082A (ko) | 2006-12-22 |
KR100858774B1 KR100858774B1 (ko) | 2008-09-16 |
Family
ID=35125357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067022989A KR100858774B1 (ko) | 2004-04-02 | 2005-03-25 | 반도체 웨이퍼의 표면 거칠기 제어용 알칼리 에천트 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7851375B2 (ko) |
EP (1) | EP1742256B1 (ko) |
JP (1) | JP4424039B2 (ko) |
KR (1) | KR100858774B1 (ko) |
TW (1) | TW200539274A (ko) |
WO (1) | WO2005098921A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4517867B2 (ja) * | 2005-01-31 | 2010-08-04 | 株式会社Sumco | シリコンウェーハ表面形状制御用エッチング液及び該エッチング液を用いたシリコンウェーハの製造方法 |
US20080206992A1 (en) * | 2006-12-29 | 2008-08-28 | Siltron Inc. | Method for manufacturing high flatness silicon wafer |
JP5261960B2 (ja) * | 2007-04-03 | 2013-08-14 | 株式会社Sumco | 半導体基板の製造方法 |
JP2009004675A (ja) * | 2007-06-25 | 2009-01-08 | Shin Etsu Handotai Co Ltd | シリコンウエーハのエッチング方法及び装置 |
DE102008014166B3 (de) * | 2008-03-14 | 2009-11-26 | Rena Gmbh | Verfahren zur Herstellung einer Siliziumoberfläche mit pyramidaler Textur |
JP2009283616A (ja) * | 2008-05-21 | 2009-12-03 | Sumco Corp | 半導体ウェーハ |
JP2009289877A (ja) * | 2008-05-28 | 2009-12-10 | Sumco Corp | 半導体ウェーハ |
JP2009298680A (ja) * | 2008-06-17 | 2009-12-24 | Sumco Corp | 半導体ウェーハ |
CN102356454B (zh) * | 2009-03-31 | 2014-03-26 | 栗田工业株式会社 | 蚀刻液的处理装置以及处理方法 |
KR101024927B1 (ko) | 2009-07-30 | 2011-03-31 | 노바테크인더스트리 주식회사 | 에칭 공정에서의 세정 방법 |
KR20120091371A (ko) * | 2010-02-26 | 2012-08-17 | 가부시키가이샤 사무코 | 반도체 웨이퍼의 제조 방법 |
JP7023211B2 (ja) * | 2018-10-23 | 2022-02-21 | Sumco Techxiv株式会社 | ポリッシュドシリコンウェーハのエッチング条件調整方法及びそれを用いたポリッシュドシリコンウェーハの製造方法 |
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JPS4111011Y1 (ko) | 1964-10-20 | 1966-05-23 | ||
JPS63221967A (ja) | 1987-03-10 | 1988-09-14 | Fujitsu Ltd | 研磨加工後のリンス方法 |
JP2711389B2 (ja) | 1987-08-28 | 1998-02-10 | ユー,エス,フィルター/アローヘッド、インコーポレイテッド | 集積回路製作方法 |
JPH02178919A (ja) * | 1988-12-29 | 1990-07-11 | Matsushita Electron Corp | シリコン基板への不純物拡散方法 |
JP2830706B2 (ja) | 1993-07-24 | 1998-12-02 | 信越半導体株式会社 | シリコンウエーハのエッチング方法 |
JP3678505B2 (ja) | 1995-08-29 | 2005-08-03 | 信越半導体株式会社 | 半導体ウェーハをエッチングするためのアルカリ溶液の純化方法及び半導体ウェーハのエッチング方法 |
JP3522475B2 (ja) * | 1996-03-11 | 2004-04-26 | 三菱住友シリコン株式会社 | シリコンウェーハ表面粗さ制御用のエッチャント |
JPH09270396A (ja) | 1996-03-29 | 1997-10-14 | Komatsu Electron Metals Co Ltd | 半導体ウェハの製法 |
JP3658454B2 (ja) | 1996-03-29 | 2005-06-08 | コマツ電子金属株式会社 | 半導体ウェハの製造方法 |
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 |
MY119304A (en) | 1997-12-11 | 2005-04-30 | Shinetsu Handotai Kk | Silicon wafer etching method and silicon wafer etchant |
DE19953152C1 (de) | 1999-11-04 | 2001-02-15 | Wacker Siltronic Halbleitermat | Verfahren zur naßchemischen Oberflächenbehandlung einer Halbleiterscheibe |
JP3943869B2 (ja) | 2000-06-29 | 2007-07-11 | 信越半導体株式会社 | 半導体ウエーハの加工方法および半導体ウエーハ |
GB2368971B (en) | 2000-11-11 | 2005-01-05 | Pure Wafer Ltd | Process for Reclaimimg Wafer Substrates |
JP3413726B2 (ja) * | 2000-12-28 | 2003-06-09 | 株式会社スーパーシリコン研究所 | ウエハ洗浄方法 |
JP2003007672A (ja) | 2001-06-25 | 2003-01-10 | Toshiba Ceramics Co Ltd | シリコン半導体ウェーハのエッチング方法 |
JP2003229392A (ja) * | 2001-11-28 | 2003-08-15 | Shin Etsu Handotai Co Ltd | シリコンウエーハの製造方法及びシリコンウエーハ並びにsoiウエーハ |
JP3890981B2 (ja) * | 2002-01-07 | 2007-03-07 | 株式会社Sumco | アルカリエッチング液及びこのエッチング液を用いたシリコンウェーハのエッチング方法並びにこの方法を用いたシリコンウェーハの表裏面差別化方法 |
TW200411759A (en) * | 2002-09-18 | 2004-07-01 | Memc Electronic Materials | Process for etching silicon wafers |
JP4426192B2 (ja) | 2003-02-14 | 2010-03-03 | ニッタ・ハース株式会社 | 研磨用組成物の製造方法 |
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KR20050065312A (ko) * | 2003-12-25 | 2005-06-29 | 마츠시타 덴끼 산교 가부시키가이샤 | 반도체웨이퍼의 세정방법 |
JP4517867B2 (ja) | 2005-01-31 | 2010-08-04 | 株式会社Sumco | シリコンウェーハ表面形状制御用エッチング液及び該エッチング液を用いたシリコンウェーハの製造方法 |
-
2004
- 2004-04-02 JP JP2004109870A patent/JP4424039B2/ja not_active Expired - Lifetime
-
2005
- 2005-03-25 WO PCT/JP2005/005527 patent/WO2005098921A1/ja active Application Filing
- 2005-03-25 EP EP05726977.1A patent/EP1742256B1/en active Active
- 2005-03-25 KR KR1020067022989A patent/KR100858774B1/ko active IP Right Grant
- 2005-03-25 US US10/599,576 patent/US7851375B2/en active Active
- 2005-03-31 TW TW094110355A patent/TW200539274A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2005294682A (ja) | 2005-10-20 |
WO2005098921A1 (ja) | 2005-10-20 |
EP1742256A4 (en) | 2007-06-06 |
EP1742256B1 (en) | 2018-08-15 |
US20070298618A1 (en) | 2007-12-27 |
TW200539274A (en) | 2005-12-01 |
EP1742256A1 (en) | 2007-01-10 |
US7851375B2 (en) | 2010-12-14 |
TWI292586B (ko) | 2008-01-11 |
KR100858774B1 (ko) | 2008-09-16 |
JP4424039B2 (ja) | 2010-03-03 |
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