KR101285120B1 - 실리콘 웨이퍼의 연마방법 및 실리콘 웨이퍼 - Google Patents
실리콘 웨이퍼의 연마방법 및 실리콘 웨이퍼 Download PDFInfo
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- KR101285120B1 KR101285120B1 KR1020117029117A KR20117029117A KR101285120B1 KR 101285120 B1 KR101285120 B1 KR 101285120B1 KR 1020117029117 A KR1020117029117 A KR 1020117029117A KR 20117029117 A KR20117029117 A KR 20117029117A KR 101285120 B1 KR101285120 B1 KR 101285120B1
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- South Korea
- Prior art keywords
- polishing
- silicon wafer
- wafer
- abrasive grains
- polishing liquid
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 144
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 74
- 239000010703 silicon Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 239000006061 abrasive grain Substances 0.000 claims abstract description 40
- 230000007547 defect Effects 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 150000007514 bases Chemical class 0.000 claims description 7
- -1 nitrogen-containing basic compound Chemical class 0.000 claims description 7
- 238000004438 BET method Methods 0.000 claims description 5
- 238000007517 polishing process Methods 0.000 claims description 5
- 239000011164 primary particle Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 235000012431 wafers Nutrition 0.000 description 85
- 238000011156 evaluation Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000001824 photoionisation detection Methods 0.000 description 4
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 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
- 239000000919 ceramic Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007518 final polishing process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
-
- 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
- H01L21/02024—Mirror polishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
- B24B37/044—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor characterised by the composition of the lapping agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/959—Mechanical polishing of wafer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
연마패드의 표면에 지립을 함유하는 연마액을 공급하고, 실리콘 웨이퍼에 대하여 상기 연마패드를 상대적으로 슬라이딩시킴으로써, 실리콘 웨이퍼의 표면을 연마하는 실리콘 웨이퍼의 연마방법으로서, 상기 연마액에 함유되는 지립의 수가 5×1013개/㎤ 이하임을 특징으로 한다.
Description
도 2는 본 발명의 웨이퍼 제조공정 중의 최종연마공정의 위치매김을 설명하기 위한 흐름도이다.
도 3은 연마액 속에 함유되는 지립의 수와 웨이퍼 표면상에 발생한 PID의 수간의 관계를 나타낸 그래프이다.
Claims (9)
- 연마패드의 표면에 지립(abrasive grains)을 함유하는 연마액을 공급하고, 실리콘 웨이퍼에 대하여 상기 연마패드를 상대적으로 슬라이딩시킴으로써, 실리콘 웨이퍼의 표면을 연마하는 실리콘 웨이퍼의 연마방법으로서,
상기 연마액에 함유되는 지립의 수가 5×1013개/㎤ 이하임을 특징으로 하는 실리콘 웨이퍼의 연마방법. - 제 1항에 있어서,
상기 지립은, BET법에 기초하여 산출된 평균 1차 입경이 10~70nm의 범위인 실리콘 웨이퍼의 연마방법. - 제 1항 또는 제 2항에 있어서,
상기 지립은, SiO2를 함유하는 실리콘 웨이퍼의 연마방법. - 제 1항 또는 제 2항에 있어서,
상기 연마액은, 실리콘에 대한 연마 속도(polishing rate)가 5nm/분 이상인 실리콘 웨이퍼의 연마방법. - 제 1항 또는 제 2항에 있어서,
상기 연마액은, 염기성 화합물 및 수용성 고분자 화합물을 함유하는 실리콘 웨이퍼의 연마방법. - 제 5항에 있어서,
상기 염기성 화합물은, 질소함유 염기성 화합물의 일종인 실리콘 웨이퍼의 연마방법. - 제 5항에 있어서,
상기 수용성 고분자 화합물은, 셀룰로오스 유도체 및 폴리비닐알콜 중 1종 이상인 실리콘 웨이퍼의 연마방법. - 제 1항 또는 제 2항에 있어서,
상기 실리콘 웨이퍼의 연마는, 실리콘 웨이퍼 제조 프로세스의 최종 연마공정 중 마무리 연마로서 수행되는 실리콘 웨이퍼의 연마방법. - 제 1항 또는 제 2항에 기재된 방법에 의해 연마된 웨이퍼로서, 상기 웨이퍼의 연마면의 표면결함 수는, 파티클 카운터에 의한 35nm 이상의 사이즈의 결함을 측정하였을 때의 측정값이, 직경 300mm 웨이퍼로 환산하여 20개 이하인 실리콘 웨이퍼.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2009-136020 | 2009-06-05 | ||
JP2009136020 | 2009-06-05 | ||
PCT/JP2010/059487 WO2010140671A1 (ja) | 2009-06-05 | 2010-05-28 | シリコンウェーハの研磨方法及びシリコンウェーハ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120023752A KR20120023752A (ko) | 2012-03-13 |
KR101285120B1 true KR101285120B1 (ko) | 2013-07-17 |
Family
ID=43297803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020117029117A Ceased KR101285120B1 (ko) | 2009-06-05 | 2010-05-28 | 실리콘 웨이퍼의 연마방법 및 실리콘 웨이퍼 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8877643B2 (ko) |
JP (1) | JP5310848B2 (ko) |
KR (1) | KR101285120B1 (ko) |
DE (1) | DE112010002227B4 (ko) |
SG (1) | SG176631A1 (ko) |
TW (1) | TWI447797B (ko) |
WO (1) | WO2010140671A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5682471B2 (ja) | 2011-06-20 | 2015-03-11 | 信越半導体株式会社 | シリコンウェーハの製造方法 |
US10748778B2 (en) | 2015-02-12 | 2020-08-18 | Fujimi Incorporated | Method for polishing silicon wafer and surface treatment composition |
US11890719B2 (en) * | 2017-10-17 | 2024-02-06 | Sumco Corporation | Method of polishing silicon wafer |
KR20190106679A (ko) * | 2018-03-07 | 2019-09-18 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물 |
WO2025088991A1 (ja) * | 2023-10-24 | 2025-05-01 | 株式会社Sumco | シリコンウェーハの研磨方法 |
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JPH08203861A (ja) * | 1995-01-20 | 1996-08-09 | Sony Corp | 化学的機械研磨方法及び化学的機械研磨装置 |
WO1998054756A1 (fr) | 1997-05-26 | 1998-12-03 | Hitachi, Ltd. | Procede de polissage et procede de fabrication de composant a semi-conducteur dans lequel ledit procede est utilise |
JP2005286047A (ja) | 2004-03-29 | 2005-10-13 | Nitta Haas Inc | 半導体研磨用組成物 |
JP2006303520A (ja) | 2006-06-07 | 2006-11-02 | Renesas Technology Corp | 半導体集積回路装置の製造方法 |
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JP3680624B2 (ja) | 1999-03-31 | 2005-08-10 | 三菱住友シリコン株式会社 | 高平坦度ウェーハの作製方法 |
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SG144688A1 (en) * | 2001-07-23 | 2008-08-28 | Fujimi Inc | Polishing composition and polishing method employing it |
JP2003142435A (ja) | 2001-10-31 | 2003-05-16 | Fujimi Inc | 研磨用組成物およびそれを用いた研磨方法 |
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-
2010
- 2010-05-28 US US13/376,259 patent/US8877643B2/en active Active
- 2010-05-28 SG SG2011089042A patent/SG176631A1/en unknown
- 2010-05-28 KR KR1020117029117A patent/KR101285120B1/ko not_active Ceased
- 2010-05-28 JP JP2011518503A patent/JP5310848B2/ja active Active
- 2010-05-28 WO PCT/JP2010/059487 patent/WO2010140671A1/ja active Application Filing
- 2010-05-28 DE DE112010002227.5T patent/DE112010002227B4/de active Active
- 2010-05-31 TW TW099117428A patent/TWI447797B/zh active
Patent Citations (4)
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JPH08203861A (ja) * | 1995-01-20 | 1996-08-09 | Sony Corp | 化学的機械研磨方法及び化学的機械研磨装置 |
WO1998054756A1 (fr) | 1997-05-26 | 1998-12-03 | Hitachi, Ltd. | Procede de polissage et procede de fabrication de composant a semi-conducteur dans lequel ledit procede est utilise |
JP2005286047A (ja) | 2004-03-29 | 2005-10-13 | Nitta Haas Inc | 半導体研磨用組成物 |
JP2006303520A (ja) | 2006-06-07 | 2006-11-02 | Renesas Technology Corp | 半導体集積回路装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE112010002227T5 (de) | 2012-06-28 |
US8877643B2 (en) | 2014-11-04 |
DE112010002227B4 (de) | 2018-11-29 |
WO2010140671A1 (ja) | 2010-12-09 |
KR20120023752A (ko) | 2012-03-13 |
US20120080775A1 (en) | 2012-04-05 |
DE112010002227T8 (de) | 2012-09-13 |
JP5310848B2 (ja) | 2013-10-09 |
TW201108316A (en) | 2011-03-01 |
SG176631A1 (en) | 2012-01-30 |
TWI447797B (zh) | 2014-08-01 |
JPWO2010140671A1 (ja) | 2012-11-22 |
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