JP6575463B2 - ウェーハの研磨方法 - Google Patents
ウェーハの研磨方法 Download PDFInfo
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- JP6575463B2 JP6575463B2 JP2016163541A JP2016163541A JP6575463B2 JP 6575463 B2 JP6575463 B2 JP 6575463B2 JP 2016163541 A JP2016163541 A JP 2016163541A JP 2016163541 A JP2016163541 A JP 2016163541A JP 6575463 B2 JP6575463 B2 JP 6575463B2
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- polishing
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- 238000005498 polishing Methods 0.000 title claims description 321
- 238000000034 method Methods 0.000 title claims description 19
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000009826 distribution Methods 0.000 claims description 33
- 239000004744 fabric Substances 0.000 claims description 25
- 235000012431 wafers Nutrition 0.000 description 84
- 238000003754 machining Methods 0.000 description 57
- 230000000052 comparative effect Effects 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
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- 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
- B24B37/005—Control means for lapping machines or devices
-
- 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
- B24B37/27—Work carriers
- B24B37/30—Work carriers for single side lapping of plane surfaces
-
- 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
- H01L21/67—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
- H01L21/67092—Apparatus for mechanical treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
図1に示すような、二つの研磨ヘッド30a、30bを有し、研磨ヘッド毎に個別に圧力制御機構と回転制御機構とを有する研磨装置1を用いてシリコンウェーハの研磨を行った。このような研磨装置は、不二越機械工業株式会社製の片面研磨機の各研磨ヘッドに圧力制御機構と回転制御機構とを装着したものとした。
[研磨加工条件]
加工ウェーハ: 直径300mm P−品<100>
研磨布: 二次研磨クロス 不織布
研磨剤: KOHベースコロイダルシリカ
研磨ヘッド数: 2
研磨ウェーハ枚数: 各ヘッド10枚加工
図12のような、研磨ヘッド毎に個別に圧力制御機構と回転制御機構とを有しておらず、全研磨ヘッドを共通の研磨荷重及び回転速度として研磨を行う従来の研磨装置を用いて、実施例と同様にシリコンウェーハの研磨を行った。
4…研磨剤供給機構、
10a、10b…圧力制御機構、 11a、11b…第一の電空レギュレータ、
12a、12b…第二の電空レギュレータ、 13a、13b…コントローラ、
20a、20b…回転制御機構、 21a、21b…モータ、
22a、22b…コントローラ、
30…複数の研磨ヘッド、 30a、30b…研磨ヘッド、
31a、31b…バックパッド、 32a、32b…リテーナガイド、
33a、33b…第一の空間部、 34a、34b…第二の空間部、
W…ウェーハ。
Claims (2)
- ウェーハを研磨する研磨布が貼り付けられた定盤と、前記ウェーハを保持しながら回転可能であり、前記ウェーハに研磨荷重を加えながら前記研磨布に押し当てることが可能な複数の研磨ヘッドとを具備する研磨装置を用い、前記研磨ヘッドを回転させながら、前記研磨ヘッドで保持されたウェーハを前記研磨布に押し当てて研磨するウェーハの研磨方法であって、
前記研磨装置として、前記複数の研磨ヘッドが、研磨ヘッド毎にそれぞれ個別に、前記研磨ヘッドの研磨荷重を制御する圧力制御機構と前記研磨ヘッドの回転速度を制御する回転制御機構とを有するものを用い、
研磨ヘッド毎に設けられた前記圧力制御機構及び前記回転制御機構によって、前記複数の研磨ヘッドの前記研磨荷重及び前記回転速度を、研磨ヘッド毎にそれぞれ個別に制御して前記ウェーハの研磨を行うとき、
前記研磨ヘッド毎に前記研磨荷重を制御することにより、前記複数の研磨ヘッド間の前記ウェーハの取り代分布差を制御し、前記研磨ヘッド毎に前記回転速度を制御することにより、前記複数の研磨ヘッド間の前記ウェーハの取り代差を制御することを特徴とするウェーハの研磨方法。 - 前記研磨ヘッドを、前記ウェーハの裏面を保持するバックパッド、及び、前記ウェーハの側面を保持する円環状のリテーナガイドを有するものとし、
前記圧力制御機構を、前記研磨荷重として、前記研磨ヘッドに保持された前記ウェーハと前記研磨布との接触圧と、前記リテーナガイドと前記研磨布との接触圧とを制御するものとすることを特徴とする請求項1に記載のウェーハの研磨方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016163541A JP6575463B2 (ja) | 2016-08-24 | 2016-08-24 | ウェーハの研磨方法 |
KR1020197003565A KR102382807B1 (ko) | 2016-08-24 | 2017-08-04 | 연마장치 및 웨이퍼의 연마방법 |
CN201780043825.3A CN109478506B (zh) | 2016-08-24 | 2017-08-04 | 研磨装置以及晶圆的研磨方法 |
PCT/JP2017/028331 WO2018037878A1 (ja) | 2016-08-24 | 2017-08-04 | 研磨装置及びウェーハの研磨方法 |
TW106126627A TWI673138B (zh) | 2016-08-24 | 2017-08-08 | 晶圓的研磨方法 |
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JP2016163541A JP6575463B2 (ja) | 2016-08-24 | 2016-08-24 | ウェーハの研磨方法 |
Publications (2)
Publication Number | Publication Date |
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JP2018032714A JP2018032714A (ja) | 2018-03-01 |
JP6575463B2 true JP6575463B2 (ja) | 2019-09-18 |
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Country Status (5)
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---|---|
JP (1) | JP6575463B2 (ja) |
KR (1) | KR102382807B1 (ja) |
CN (1) | CN109478506B (ja) |
TW (1) | TWI673138B (ja) |
WO (1) | WO2018037878A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20220161388A1 (en) * | 2019-04-05 | 2022-05-26 | Sumco Corporation | Polishing head, polishing apparatus, and method of manufacturing semiconductor wafer |
CN111975469A (zh) * | 2020-08-28 | 2020-11-24 | 上海华力微电子有限公司 | 化学机械研磨的方法及研磨系统 |
US11163551B1 (en) | 2020-10-13 | 2021-11-02 | Argo AI, LLC | Systems and methods for improved smart infrastructure data transfer |
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JPS4833355B1 (ja) | 1968-03-07 | 1973-10-13 | ||
JP3360488B2 (ja) * | 1995-06-20 | 2002-12-24 | ソニー株式会社 | 研磨装置およびこれを用いた研磨方法 |
JPH11285968A (ja) * | 1998-04-01 | 1999-10-19 | Nikon Corp | 研磨方法及び研磨装置 |
KR20010032054A (ko) * | 1998-10-30 | 2001-04-16 | 와다 다다시 | 웨이퍼 연마장치 및 방법 |
US6132295A (en) * | 1999-08-12 | 2000-10-17 | Applied Materials, Inc. | Apparatus and method for grinding a semiconductor wafer surface |
TW495416B (en) * | 2000-10-24 | 2002-07-21 | Ebara Corp | Polishing apparatus |
JP4096286B2 (ja) | 2001-03-30 | 2008-06-04 | 株式会社Sumco | 半導体ウェーハの研磨方法 |
KR100437456B1 (ko) * | 2001-05-31 | 2004-06-23 | 삼성전자주식회사 | 화학적 기계적 평탄화 기계의 폴리싱 헤드 및 그것을이용한 폴리싱방법 |
AU2003221014A1 (en) | 2003-03-31 | 2004-10-25 | Fujitsu Limited | Machining method and machining device |
JP2005268330A (ja) * | 2004-03-16 | 2005-09-29 | Toshiba Ceramics Co Ltd | 半導体ウェーハの研磨方法 |
TWI386989B (zh) * | 2005-02-25 | 2013-02-21 | Ebara Corp | 研磨裝置及研磨方法 |
JP4538805B2 (ja) * | 2005-06-17 | 2010-09-08 | 株式会社ニコン | 研磨装置、これを用いた半導体デバイス製造方法およびこの方法により製造される半導体デバイス |
JP5397084B2 (ja) * | 2009-08-19 | 2014-01-22 | 株式会社大真空 | 研磨装置 |
US8190285B2 (en) * | 2010-05-17 | 2012-05-29 | Applied Materials, Inc. | Feedback for polishing rate correction in chemical mechanical polishing |
JP2012035393A (ja) | 2010-08-11 | 2012-02-23 | Fujikoshi Mach Corp | 研磨装置 |
JP5691796B2 (ja) * | 2011-04-26 | 2015-04-01 | 株式会社Sumco | 研磨装置、および、研磨方法 |
JP2013077770A (ja) * | 2011-09-30 | 2013-04-25 | Globalwafers Japan Co Ltd | 接合ウェーハの製造方法 |
JP5896884B2 (ja) * | 2012-11-13 | 2016-03-30 | 信越半導体株式会社 | 両面研磨方法 |
JP5983422B2 (ja) | 2013-01-21 | 2016-08-31 | 旭硝子株式会社 | ガラス基板の研磨方法及び製造方法 |
JP6197752B2 (ja) * | 2014-06-12 | 2017-09-20 | 信越半導体株式会社 | ウェーハの研磨方法 |
JP2016072372A (ja) * | 2014-09-29 | 2016-05-09 | 株式会社荏原製作所 | 研磨装置 |
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2016
- 2016-08-24 JP JP2016163541A patent/JP6575463B2/ja active Active
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2017
- 2017-08-04 WO PCT/JP2017/028331 patent/WO2018037878A1/ja active Application Filing
- 2017-08-04 CN CN201780043825.3A patent/CN109478506B/zh active Active
- 2017-08-04 KR KR1020197003565A patent/KR102382807B1/ko active IP Right Grant
- 2017-08-08 TW TW106126627A patent/TWI673138B/zh active
Also Published As
Publication number | Publication date |
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CN109478506B (zh) | 2023-05-12 |
KR102382807B1 (ko) | 2022-04-05 |
TW201806701A (zh) | 2018-03-01 |
JP2018032714A (ja) | 2018-03-01 |
KR20190040963A (ko) | 2019-04-19 |
CN109478506A (zh) | 2019-03-15 |
TWI673138B (zh) | 2019-10-01 |
WO2018037878A1 (ja) | 2018-03-01 |
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