KR20060088032A - 에칭 액체 및 이를 사용하는 실리콘 웨이퍼 제조 방법 - Google Patents
에칭 액체 및 이를 사용하는 실리콘 웨이퍼 제조 방법 Download PDFInfo
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- KR20060088032A KR20060088032A KR1020060007983A KR20060007983A KR20060088032A KR 20060088032 A KR20060088032 A KR 20060088032A KR 1020060007983 A KR1020060007983 A KR 1020060007983A KR 20060007983 A KR20060007983 A KR 20060007983A KR 20060088032 A KR20060088032 A KR 20060088032A
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- silicon wafer
- polishing
- etching
- wafer
- etching liquid
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- 238000005530 etching Methods 0.000 title claims abstract description 159
- 238000000034 method Methods 0.000 title claims abstract description 142
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 239000010703 silicon Substances 0.000 title claims abstract description 120
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 120
- 239000007788 liquid Substances 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000005498 polishing Methods 0.000 claims abstract description 78
- 238000007517 polishing process Methods 0.000 claims abstract description 38
- 239000003513 alkali Substances 0.000 claims abstract description 35
- 239000013078 crystal Substances 0.000 claims abstract description 14
- 238000007598 dipping method Methods 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 75
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 72
- 239000000843 powder Substances 0.000 claims description 36
- 239000000377 silicon dioxide Substances 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 36
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 abstract description 32
- 235000012431 wafers Nutrition 0.000 description 173
- 230000000052 comparative effect Effects 0.000 description 29
- 235000011121 sodium hydroxide Nutrition 0.000 description 23
- 239000003795 chemical substances by application Substances 0.000 description 17
- 239000004575 stone Substances 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002146 bilateral effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100493712 Caenorhabditis elegans bath-42 gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/08—Etching
- C30B33/10—Etching in solutions or melts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Weting (AREA)
Abstract
Description
Claims (7)
- 실리콘 웨이퍼 표면 형상을 제어하는 에칭 액체에 있어서,실리카 분말이 알칼리 수용액 내에 균일하게 분산되어 있는,에칭 액체.
- 제 1 항에 있어서,상기 알칼리 수용액은 40 내지 50 중량 % 소듐 수산화물 수용액이며,상기 알칼리 수용액에 첨가되는 상기 실리카 분말의 첨가율은 상기 소듐 수산화물에 대해서 1 g/L 내지 100 g/L 인,에칭 액체.
- 제 1 항 또는 제 2 항에 있어서,상기 실리카 분말의 평균 입자 직경이 50 내지 5000 nm 인,에칭 액체.
- 실리콘 웨이퍼를 제조하는 방법에 있어서,실리콘 단결정봉을 슬라이싱함으로써 획득된 얇은 디스크 형상 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 폴리싱 또는 래핑하는 평탄화 공정과,제 1 항 또는 제 2 항에 따른 에칭 액체 내부로 상기 실리콘 웨이퍼를 담그 며 이로써 상기 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 에칭하는 에칭 공정과,상기 에칭된 실리콘 웨이퍼의 상기 하부측 표면과 상기 상부측 표면을 동시에 폴리싱하는 양측 동시 폴리싱 공정을 순서대로 포함하는,실리콘 웨이퍼 제조 방법.
- 실리콘 웨이퍼를 제조하는 방법에 있어서,실리콘 단결정봉을 슬라이싱함으로써 획득된 얇은 디스크 형상 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 폴리싱 또는 래핑하는 평탄화 공정과,제 1 항 또는 제 2 항에 따른 에칭 액체 내부로 상기 실리콘 웨이퍼를 담그며 이로써 상기 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 에칭하는 에칭 공정과,상기 에칭된 실리콘 웨이퍼의 상기 하부측 표면과 상기 상부측 표면을 하나씩 폴리싱하는 일측 폴리싱 공정을 순서대로 포함하는,실리콘 웨이퍼 제조 방법.
- 실리콘 웨이퍼를 제조하는 방법에 있어서,실리콘 단결정봉을 슬라이싱함으로써 획득된 얇은 디스크 형상 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 폴리싱 또는 래핑하는 평탄화 공정과,제 3 항에 따른 에칭 액체 내부로 상기 실리콘 웨이퍼를 담그며 이로써 상 기 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 에칭하는 에칭 공정과,상기 에칭된 실리콘 웨이퍼의 상기 하부측 표면과 상기 상부측 표면을 동시에 폴리싱하는 양측 동시 폴리싱 공정을 순서대로 포함하는,실리콘 웨이퍼 제조 방법.
- 실리콘 웨이퍼를 제조하는 방법에 있어서,실리콘 단결정봉을 슬라이싱함으로써 획득된 얇은 디스크 형상 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 폴리싱 또는 래핑하는 평탄화 공정과,제 3 항에 따른 에칭 액체 내부로 상기 실리콘 웨이퍼를 담그며 이로써 상기 실리콘 웨이퍼의 하부측 표면과 상부측 표면을 에칭하는 에칭 공정과,상기 에칭된 실리콘 웨이퍼의 상기 하부측 표면과 상기 상부측 표면을 하나씩 폴리싱하는 일측 폴리싱 공정을 순서대로 포함하는,실리콘 웨이퍼 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2005-00022764 | 2005-01-31 | ||
JP2005022764A JP4517867B2 (ja) | 2005-01-31 | 2005-01-31 | 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 |
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KR20060088032A true KR20060088032A (ko) | 2006-08-03 |
KR100661329B1 KR100661329B1 (ko) | 2006-12-27 |
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KR1020060007983A KR100661329B1 (ko) | 2005-01-31 | 2006-01-25 | 에칭 액체 및 이를 사용하는 실리콘 웨이퍼 제조 방법 |
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US (2) | US7288207B2 (ko) |
JP (1) | JP4517867B2 (ko) |
KR (1) | KR100661329B1 (ko) |
TW (1) | TWI302717B (ko) |
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KR100771314B1 (ko) * | 2006-11-16 | 2007-10-29 | 삼성전기주식회사 | 세라믹 나노 분말을 함유하는 회로 형성용 에칭액 및 이를이용한 회로 형성방법 |
KR100939808B1 (ko) * | 2006-10-31 | 2010-02-02 | 에스. 오. 이. 떼끄 씰리꽁 오 냉쉴라또흐 떼끄놀로지 | 실리콘 표면상의 결함 특정화 방법, 실리콘 표면용 에칭조성물 및 에칭 조성물을 이용한 실리콘 표면 처리공정 |
KR101064801B1 (ko) * | 2010-10-18 | 2011-09-14 | 주식회사 엘지실트론 | 실리콘 웨이퍼의 결정결함 평가방법 |
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US8389409B2 (en) | 2009-06-24 | 2013-03-05 | Siltronic Ag | Method for producing a semiconductor wafer |
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2005
- 2005-01-31 JP JP2005022764A patent/JP4517867B2/ja active Active
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2006
- 2006-01-23 TW TW095102489A patent/TWI302717B/zh active
- 2006-01-25 KR KR1020060007983A patent/KR100661329B1/ko active IP Right Grant
- 2006-01-31 US US11/345,009 patent/US7288207B2/en active Active
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2007
- 2007-03-19 US US11/688,041 patent/US20070184658A1/en not_active Abandoned
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100939808B1 (ko) * | 2006-10-31 | 2010-02-02 | 에스. 오. 이. 떼끄 씰리꽁 오 냉쉴라또흐 떼끄놀로지 | 실리콘 표면상의 결함 특정화 방법, 실리콘 표면용 에칭조성물 및 에칭 조성물을 이용한 실리콘 표면 처리공정 |
KR100771314B1 (ko) * | 2006-11-16 | 2007-10-29 | 삼성전기주식회사 | 세라믹 나노 분말을 함유하는 회로 형성용 에칭액 및 이를이용한 회로 형성방법 |
KR101217431B1 (ko) * | 2008-02-28 | 2013-01-02 | 하야시 퓨어 케미칼 가부시키가이샤 | 실리콘 이방성 에칭액 조성물 |
US8389409B2 (en) | 2009-06-24 | 2013-03-05 | Siltronic Ag | Method for producing a semiconductor wafer |
KR101291880B1 (ko) * | 2009-06-24 | 2013-07-31 | 실트로닉 아게 | 반도체 웨이퍼 제조 방법 |
KR101064801B1 (ko) * | 2010-10-18 | 2011-09-14 | 주식회사 엘지실트론 | 실리콘 웨이퍼의 결정결함 평가방법 |
Also Published As
Publication number | Publication date |
---|---|
US7288207B2 (en) | 2007-10-30 |
US20060169667A1 (en) | 2006-08-03 |
JP2006210760A (ja) | 2006-08-10 |
US20070184658A1 (en) | 2007-08-09 |
KR100661329B1 (ko) | 2006-12-27 |
TWI302717B (en) | 2008-11-01 |
TW200723389A (en) | 2007-06-16 |
JP4517867B2 (ja) | 2010-08-04 |
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