KR20040034427A - 실리콘의 습식화학적 처리방법 및 장치 - Google Patents
실리콘의 습식화학적 처리방법 및 장치 Download PDFInfo
- Publication number
- KR20040034427A KR20040034427A KR1020030071117A KR20030071117A KR20040034427A KR 20040034427 A KR20040034427 A KR 20040034427A KR 1020030071117 A KR1020030071117 A KR 1020030071117A KR 20030071117 A KR20030071117 A KR 20030071117A KR 20040034427 A KR20040034427 A KR 20040034427A
- Authority
- KR
- South Korea
- Prior art keywords
- vessel
- silicon
- chemical treatment
- etchant
- wet chemical
- Prior art date
Links
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 46
- 239000010703 silicon Substances 0.000 title claims abstract description 46
- 239000000126 substance Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 153
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005530 etching Methods 0.000 claims abstract description 31
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 42
- 230000004913 activation Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 235000012431 wafers Nutrition 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
-
- 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
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
-
- 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
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/67086—Apparatus for fluid treatment for etching for wet etching with the semiconductor substrates being dipped in baths or vessels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (10)
- 물, 질산 및 불화수소산을 함유한 에칭액을 사용하여 실리콘의 습식화하학적 처리를 하는 방법에 있어서, 에칭액은 먼저 실리콘의 습식화학적 처리에 대한 사용전에 질소산화물(NOx)을 에칭액에 투입하여 활성화 되는 것을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 제1항에 있어서, 질소산화물(NOx)는 질소인산화물(NO), 질소이산화물(NO2), 디니트로겐 테트록시드(N2O4) 또는 그의 혼합물임을 특징으로 하는 실리콘으 습식화학적 처리방법.
- 제1항 또는 2항에 있어서, 질소산화물(NOx)은 에칭액이 질소산화물로 포화될 때까지 삽입됨을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 제1항에 있어서, 활성화에 사용되는 질소산화물(NOx)은 제1용기(1)에서 에칭액으로 실리콘의 습식화학적 처리시 생성되며, 에칭액은 물, 질산 및 불화수소산을 함유하며, 형성된 질소산화물(NOx)은 신성한 에칭액을 활성화하기 위하여 제1용기에서 배출되고 물, 질산 및 불화수소산을 함유한 신성한 에칭액(5)을 가지고 있는 제2용기(2)에 투입되는 것을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 제4항에 있어서, 습식화학적 처리시 형성된 질소산화물(NOx)이 펌프(9)에 의해 제1용기(1)에서 추출되어 제2용기(2)에 유입됨을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 제4항 또는 5항에 있어서, 제1용기(1)에서 배출된 질소산화물(NOx)은 신성한 에칭액(5)을 펌프(7)에 의해 순환시키는 회로(6)에 공급됨을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 제1항에 있어서, 습식화학적 처리는 단결정 실리콘웨이퍼에 연관됨을 특징으로 하는 실리콘의 습식화학적 처리방법.
- 물, 질산 및 불화수소산을 함유한 에칭액을 통하여 실리콘이 습식화학적 처리되는 제1용기와, 신성한 에칭액(5)이 준비된 제2용기(2)와, 습식화학적 처리시 제1용기에서 형성된 질소산화물(NOx)을 제2용기에 통과시키며 제1용기와 제2용기 사이에 있는 접속라인(8)으로 이루어진 것을 특징으로 하는 장치.
- 제8항에 있어서, 신성한 에칭액을 펌프(7)에 의해 순환시키는 회로(6)를 함유하고, 접속라인(8)이 제1용기(1)와 상기 회로(6) 사이에 접속됨을 특징으로 하는 장치.
- 제9항에 있어서, 제1용기(1)에서 질소산화물(NOx)을 빨아들여, 그것을 상기 회로(6)에 공급하는 펌프(9)를 함유함을 특징으로 하는 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248481A DE10248481B4 (de) | 2002-10-17 | 2002-10-17 | Verfahren und Vorrichtung zur nasschemischen Behandlung von Silicium |
DE10248481.3 | 2002-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040034427A true KR20040034427A (ko) | 2004-04-28 |
KR100581619B1 KR100581619B1 (ko) | 2006-05-22 |
Family
ID=32086988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030071117A KR100581619B1 (ko) | 2002-10-17 | 2003-10-13 | 실리콘의 습식화학적 처리방법 및 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7083741B2 (ko) |
JP (1) | JP3909321B2 (ko) |
KR (1) | KR100581619B1 (ko) |
CN (1) | CN1332068C (ko) |
DE (1) | DE10248481B4 (ko) |
TW (1) | TWI240018B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100902888B1 (ko) * | 2008-03-07 | 2009-06-16 | 윤대식 | 실리콘 폐기물로부터의 저분자 실리콘 화합물 회수 방법 |
US20110048931A1 (en) * | 2009-08-25 | 2011-03-03 | Makarov Vladimir V | FIB Process for Selective and Clean Etching of Copper |
US20110048929A1 (en) * | 2009-08-25 | 2011-03-03 | Makarov Vladimir V | FIB Process for Selective and Clean Etching of Copper |
JP5858770B2 (ja) * | 2011-12-19 | 2016-02-10 | 芝浦メカトロニクス株式会社 | 基板処理システム |
JP6139634B2 (ja) * | 2015-11-02 | 2017-05-31 | 芝浦メカトロニクス株式会社 | 基板処理方法及び基板処理システム |
JP6317801B2 (ja) * | 2016-12-20 | 2018-04-25 | 芝浦メカトロニクス株式会社 | 基板処理システム |
CN110158155A (zh) * | 2019-06-03 | 2019-08-23 | 西安奕斯伟硅片技术有限公司 | 一种硅块的处理方法和处理装置 |
JP7455713B2 (ja) | 2020-09-17 | 2024-03-26 | 株式会社Screenホールディングス | 基板処理方法 |
US11869774B2 (en) * | 2020-09-25 | 2024-01-09 | Changxin Memory Technologies, Inc. | Method for improving etching rate of wet etching |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2013830A1 (en) * | 1970-03-23 | 1971-10-07 | Licentia Gmbh | Etching semi-conductors with acid soln having |
JPS4936792B1 (ko) * | 1970-10-15 | 1974-10-03 | ||
JPH0296334A (ja) * | 1988-10-01 | 1990-04-09 | Nisso Eng Kk | 高温エッチング液の循環方法 |
JP3077304B2 (ja) * | 1991-10-09 | 2000-08-14 | 日産自動車株式会社 | エッチング装置 |
US5843322A (en) * | 1996-12-23 | 1998-12-01 | Memc Electronic Materials, Inc. | Process for etching N, P, N+ and P+ type slugs and wafers |
DE19927527B4 (de) * | 1999-06-16 | 2007-02-08 | Siltronic Ag | Verfahren zur naßchemischen Behandlung einer Halbleiterscheibe |
SG92720A1 (en) * | 1999-07-14 | 2002-11-19 | Nisso Engineering Co Ltd | Method and apparatus for etching silicon |
JP2001250804A (ja) * | 2000-03-03 | 2001-09-14 | Mitsubishi Gas Chem Co Inc | 過酸化水素による亜硝酸イオンの制御方法 |
JP2002043274A (ja) * | 2000-07-25 | 2002-02-08 | Kanto Chem Co Inc | ポリシリコン膜の表面処理剤及びそれを用いたポリシリコン膜の表面処理方法 |
-
2002
- 2002-10-17 DE DE10248481A patent/DE10248481B4/de not_active Expired - Fee Related
-
2003
- 2003-10-13 KR KR1020030071117A patent/KR100581619B1/ko not_active IP Right Cessation
- 2003-10-15 TW TW092128628A patent/TWI240018B/zh not_active IP Right Cessation
- 2003-10-15 JP JP2003355312A patent/JP3909321B2/ja not_active Expired - Fee Related
- 2003-10-15 US US10/686,365 patent/US7083741B2/en not_active Expired - Fee Related
- 2003-10-17 CN CNB2003101014817A patent/CN1332068C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7083741B2 (en) | 2006-08-01 |
CN1332068C (zh) | 2007-08-15 |
DE10248481A1 (de) | 2004-05-06 |
JP3909321B2 (ja) | 2007-04-25 |
TWI240018B (en) | 2005-09-21 |
TW200406506A (en) | 2004-05-01 |
US20040129679A1 (en) | 2004-07-08 |
DE10248481B4 (de) | 2006-04-27 |
CN1497066A (zh) | 2004-05-19 |
JP2004140368A (ja) | 2004-05-13 |
KR100581619B1 (ko) | 2006-05-22 |
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