CN1179821C - 具有独立限位环和多区域压力控制结构的气动隔膜式抛光头及其使用方法 - Google Patents
具有独立限位环和多区域压力控制结构的气动隔膜式抛光头及其使用方法 Download PDFInfo
- Publication number
- CN1179821C CN1179821C CNB018121713A CN01812171A CN1179821C CN 1179821 C CN1179821 C CN 1179821C CN B018121713 A CNB018121713 A CN B018121713A CN 01812171 A CN01812171 A CN 01812171A CN 1179821 C CN1179821 C CN 1179821C
- Authority
- CN
- China
- Prior art keywords
- support
- pressure
- diaphragm
- substrate
- wafer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
-
- 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
-
- 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
- B24B37/32—Retaining rings
-
- 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
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)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20421200P | 2000-05-12 | 2000-05-12 | |
US09/570,369 | 2000-05-12 | ||
US09/570,370 | 2000-05-12 | ||
US09/570,370 US6506105B1 (en) | 2000-05-12 | 2000-05-12 | System and method for pneumatic diaphragm CMP head having separate retaining ring and multi-region wafer pressure control |
US09/570,369 US6558232B1 (en) | 2000-05-12 | 2000-05-12 | System and method for CMP having multi-pressure zone loading for improved edge and annular zone material removal control |
US60/204,212 | 2000-05-12 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100881994A Division CN100433269C (zh) | 2000-05-12 | 2001-05-11 | 抛光装置以及与其一起使用的基片托架 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1440321A CN1440321A (zh) | 2003-09-03 |
CN1179821C true CN1179821C (zh) | 2004-12-15 |
Family
ID=27394636
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100881994A Expired - Fee Related CN100433269C (zh) | 2000-05-12 | 2001-05-11 | 抛光装置以及与其一起使用的基片托架 |
CNB018121713A Expired - Fee Related CN1179821C (zh) | 2000-05-12 | 2001-05-11 | 具有独立限位环和多区域压力控制结构的气动隔膜式抛光头及其使用方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100881994A Expired - Fee Related CN100433269C (zh) | 2000-05-12 | 2001-05-11 | 抛光装置以及与其一起使用的基片托架 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1284840A2 (ja) |
JP (1) | JP2003533359A (ja) |
KR (1) | KR100811172B1 (ja) |
CN (2) | CN100433269C (ja) |
AU (1) | AU2001259745A1 (ja) |
WO (1) | WO2001087541A2 (ja) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6506105B1 (en) | 2000-05-12 | 2003-01-14 | Multi-Planar Technologies, Inc. | System and method for pneumatic diaphragm CMP head having separate retaining ring and multi-region wafer pressure control |
US6558232B1 (en) | 2000-05-12 | 2003-05-06 | Multi-Planar Technologies, Inc. | System and method for CMP having multi-pressure zone loading for improved edge and annular zone material removal control |
US6540590B1 (en) | 2000-08-31 | 2003-04-01 | Multi-Planar Technologies, Inc. | Chemical mechanical polishing apparatus and method having a rotating retaining ring |
TWI246448B (en) * | 2000-08-31 | 2006-01-01 | Multi Planar Technologies Inc | Chemical mechanical polishing (CMP) head, apparatus, and method and planarized semiconductor wafer produced thereby |
KR100470227B1 (ko) * | 2001-06-07 | 2005-02-05 | 두산디앤디 주식회사 | 화학기계적 연마장치의 캐리어 헤드 |
JP4353673B2 (ja) * | 2002-04-18 | 2009-10-28 | 株式会社荏原製作所 | ポリッシング方法 |
CN100400236C (zh) | 2002-09-27 | 2008-07-09 | 小松电子金属股份有限公司 | 一种研磨装置和晶片制造方法 |
TWI238754B (en) * | 2002-11-07 | 2005-09-01 | Ebara Tech Inc | Vertically adjustable chemical mechanical polishing head having a pivot mechanism and method for use thereof |
EP2797109B1 (en) * | 2004-11-01 | 2018-02-28 | Ebara Corporation | Polishing apparatus |
US20080032603A1 (en) * | 2006-08-03 | 2008-02-07 | 3M Innovative Properties Company | Sanding tool |
JP5464820B2 (ja) * | 2007-10-29 | 2014-04-09 | 株式会社荏原製作所 | 研磨装置 |
KR101617716B1 (ko) | 2008-03-25 | 2016-05-03 | 어플라이드 머티어리얼스, 인코포레이티드 | 개량된 캐리어 헤드 멤브레인 |
DE102009030298B4 (de) * | 2009-06-24 | 2012-07-12 | Siltronic Ag | Verfahren zur lokalen Politur einer Halbleiterscheibe |
US20120021673A1 (en) * | 2010-07-20 | 2012-01-26 | Applied Materials, Inc. | Substrate holder to reduce substrate edge stress during chemical mechanical polishing |
CN102172887B (zh) * | 2011-02-16 | 2013-01-30 | 清华大学 | 抛光头 |
KR101196652B1 (ko) * | 2011-05-31 | 2012-11-02 | 주식회사 케이씨텍 | 캐리어 헤드의 멤브레인 결합체 및 이를 구비한 캐리어 헤드 |
CN102922411B (zh) * | 2011-08-10 | 2015-12-16 | 无锡华润上华科技有限公司 | 防止晶片滑片的化学机械研磨方法 |
WO2013112764A1 (en) * | 2012-01-25 | 2013-08-01 | Applied Materials, Inc. | Retaining ring monitoring and control of pressure |
US9050700B2 (en) * | 2012-01-27 | 2015-06-09 | Applied Materials, Inc. | Methods and apparatus for an improved polishing head retaining ring |
JP5807580B2 (ja) * | 2012-02-15 | 2015-11-10 | 信越半導体株式会社 | 研磨ヘッド及び研磨装置 |
KR101301001B1 (ko) * | 2012-06-14 | 2013-08-28 | 에스엔유 프리시젼 주식회사 | 파손방지 기능을 구비한 기판처리 시스템 |
KR200465446Y1 (ko) | 2012-09-09 | 2013-02-19 | 전용준 | 캐리어 헤드 하우징과 보유 링 간의 결합 상태 점검 기능을 갖는 화학 기계적 연마 장치의 캐리어 헤드 |
CN103817591B (zh) * | 2012-11-16 | 2016-08-03 | 有研半导体材料有限公司 | 一种抛光机碎片处理装置 |
KR102191916B1 (ko) * | 2013-06-26 | 2020-12-16 | 주식회사 케이씨텍 | 화학 기계적 연마 장치의 캐리어 헤드 |
CN104347467A (zh) * | 2013-07-23 | 2015-02-11 | Ap系统股份有公司 | 衬底固持模块和包含所述衬底固持模块的衬底处理设备 |
KR101494757B1 (ko) * | 2013-07-23 | 2015-02-25 | 에이피시스템 주식회사 | 기판 지지 모듈 및 이를 구비하는 기판 처리 장치 |
KR101487414B1 (ko) * | 2013-09-11 | 2015-01-29 | 주식회사 엘지실트론 | 웨이퍼의 연마 장치 |
JP6232297B2 (ja) | 2014-01-21 | 2017-11-15 | 株式会社荏原製作所 | 基板保持装置および研磨装置 |
TWI656944B (zh) * | 2014-05-14 | 2019-04-21 | 日商荏原製作所股份有限公司 | 研磨裝置 |
KR101559282B1 (ko) | 2014-05-19 | 2015-10-19 | 주식회사 티에스시 | 웨이퍼연마장치용 멤브레인 및 이를 포함하는 화학기계식 웨이퍼연마장치 |
US9566687B2 (en) * | 2014-10-13 | 2017-02-14 | Sunedison Semiconductor Limited (Uen201334164H) | Center flex single side polishing head having recess and cap |
CN105856056B (zh) * | 2015-01-19 | 2018-03-02 | 大族激光科技产业集团股份有限公司 | 一种异形面自动抛光装置 |
CN105058225A (zh) * | 2015-07-07 | 2015-11-18 | 武汉新芯集成电路制造有限公司 | 研磨垫固定装置及化学机械研磨装置 |
US9744640B2 (en) * | 2015-10-16 | 2017-08-29 | Applied Materials, Inc. | Corrosion resistant retaining rings |
CN105397574B (zh) * | 2015-12-09 | 2017-08-25 | 浙江工业大学 | 一种加工间隙可调的液动压悬浮抛光装置 |
CN105538045B (zh) * | 2015-12-09 | 2018-06-26 | 浙江工业大学 | 基于自适应和固定加工间隙的液动压悬浮抛光方法及装置 |
CN105479325B (zh) * | 2015-12-30 | 2018-04-17 | 天通吉成机器技术有限公司 | 一种适用于大型单面研磨抛光设备的分区加压装置及方法 |
US9873179B2 (en) * | 2016-01-20 | 2018-01-23 | Applied Materials, Inc. | Carrier for small pad for chemical mechanical polishing |
US10654216B2 (en) * | 2016-03-30 | 2020-05-19 | Canon Kabushiki Kaisha | System and methods for nanoimprint lithography |
TWI568537B (zh) * | 2016-09-08 | 2017-02-01 | Vibration grinding machine structure | |
TWI572444B (zh) * | 2016-09-08 | 2017-03-01 | Vibration grinding machine structure | |
JP7162000B2 (ja) * | 2017-03-06 | 2022-10-27 | アプライド マテリアルズ インコーポレイテッド | Cmp位置特定研磨(lsp)用に設計された螺旋及び同心運動 |
JP6986930B2 (ja) * | 2017-11-07 | 2021-12-22 | 株式会社荏原製作所 | 基板研磨装置および研磨方法 |
CN108145586B (zh) * | 2018-01-03 | 2019-10-11 | 京东方科技集团股份有限公司 | 抛光设备及抛光方法 |
CN109202697A (zh) * | 2018-11-20 | 2019-01-15 | 北京半导体专用设备研究所(中国电子科技集团公司第四十五研究所) | 抛光头、抛光设备以及抛光头的使用方法 |
KR20200070825A (ko) * | 2018-12-10 | 2020-06-18 | 삼성전자주식회사 | 연마 균일도를 제어할 수 있는 화학 기계적 연마 장치 |
CN110142689B (zh) * | 2019-04-17 | 2021-09-14 | 杭州众硅电子科技有限公司 | 一种晶圆装载支架、晶圆装载系统及晶圆装片方法 |
CN110802507A (zh) * | 2019-11-11 | 2020-02-18 | 上海华力微电子有限公司 | 研磨头和化学机械研磨设备 |
CN111496658B (zh) * | 2020-03-13 | 2021-06-04 | 郑玲佳 | 一种适应性强的扫光机 |
CN111496598B (zh) * | 2020-04-24 | 2021-08-24 | 广东博智林机器人有限公司 | 一种平面打磨装置和平面打磨机器人 |
CN111571444A (zh) * | 2020-05-15 | 2020-08-25 | 中国科学院微电子研究所 | 研磨垫修整装置 |
US11890715B2 (en) | 2020-06-24 | 2024-02-06 | Applied Materials, Inc. | Polishing carrier head with piezoelectric pressure control |
CN111823130A (zh) * | 2020-07-17 | 2020-10-27 | 中国科学院微电子研究所 | 一种抛光头及抛光装置 |
CN111922888B (zh) * | 2020-08-11 | 2022-04-29 | 西安奕斯伟材料科技有限公司 | 边缘抛光装置和抛光方法 |
US20220143779A1 (en) * | 2020-11-10 | 2022-05-12 | Applied Materials, Inc. | Polishing head with local wafer pressure |
CN114505782B (zh) * | 2020-11-17 | 2023-08-04 | 长鑫存储技术有限公司 | 固定装置及检测系统 |
CN112605848A (zh) * | 2020-11-29 | 2021-04-06 | 厦门理工学院 | 电磁式重心可调抛光盘机构及抛光方法 |
CN112792725B (zh) * | 2021-02-03 | 2022-09-30 | 华海清科股份有限公司 | 一种用于化学机械抛光的柔性膜、承载头及抛光设备 |
KR102650422B1 (ko) * | 2021-03-17 | 2024-03-22 | 미크로 기켄 가부시키가이샤 | 연마 헤드 및 연마 처리 장치 |
CN113290426B (zh) * | 2021-04-15 | 2022-10-21 | 金华博蓝特新材料有限公司 | 提高晶片抛光厚度均匀性的方法 |
CN113878488B (zh) * | 2021-10-18 | 2022-09-06 | 华海清科(北京)科技有限公司 | 一种化学机械抛光头和抛光系统 |
CN114310652A (zh) * | 2021-12-30 | 2022-04-12 | 金陵科技学院 | 一种软脆材料柔性研磨装置 |
CN114700871B (zh) * | 2022-03-11 | 2023-11-24 | 上海致领半导体科技发展有限公司 | 一种第三代半导体化学机械抛光装置 |
CN115091359B (zh) * | 2022-05-26 | 2023-09-05 | 浙江晶盛机电股份有限公司 | 抛光载体 |
CN115008342B (zh) * | 2022-06-15 | 2023-08-25 | 安徽禾臣新材料有限公司 | 一种晶片抛光用防崩角的无蜡垫及其生产工艺 |
CN115431176B (zh) * | 2022-11-08 | 2023-01-31 | 烟台环球机床装备股份有限公司 | 一种抛光机床用抛光压力调节装置 |
CN115816298A (zh) * | 2022-12-29 | 2023-03-21 | 西安奕斯伟材料科技有限公司 | 定盘、抛光设备和抛光方法 |
CN116372786B (zh) * | 2023-06-05 | 2023-08-18 | 北京特思迪半导体设备有限公司 | 一种晶圆抛光设备 |
CN116442103B (zh) * | 2023-06-13 | 2023-08-29 | 深圳市鲁光电子科技有限公司 | 一种第三代半导体精密加工装置 |
CN117245542B (zh) * | 2023-11-17 | 2024-01-23 | 苏州博宏源机械制造有限公司 | 晶圆双面抛光设备及工艺 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0169932B1 (de) * | 1984-08-03 | 1987-04-22 | Wilhelm Loh Wetzlar Optikmaschinen GmbH & Co. KG | Vorrichtung zum Halten von empfindlichen Werkstücken, insbesondere von optischen Linsen und anderen optischen Bauelementen |
US4918869A (en) * | 1987-10-28 | 1990-04-24 | Fujikoshi Machinery Corporation | Method for lapping a wafer material and an apparatus therefor |
JP3311116B2 (ja) * | 1993-10-28 | 2002-08-05 | 株式会社東芝 | 半導体製造装置 |
US5820448A (en) * | 1993-12-27 | 1998-10-13 | Applied Materials, Inc. | Carrier head with a layer of conformable material for a chemical mechanical polishing system |
US5738574A (en) * | 1995-10-27 | 1998-04-14 | Applied Materials, Inc. | Continuous processing system for chemical mechanical polishing |
JP3552845B2 (ja) * | 1996-04-25 | 2004-08-11 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
US6183354B1 (en) * | 1996-11-08 | 2001-02-06 | Applied Materials, Inc. | Carrier head with a flexible membrane for a chemical mechanical polishing system |
US5941758A (en) * | 1996-11-13 | 1999-08-24 | Intel Corporation | Method and apparatus for chemical-mechanical polishing |
DE19651761A1 (de) * | 1996-12-12 | 1998-06-18 | Wacker Siltronic Halbleitermat | Verfahren und Vorrichtung zum Polieren von Halbleiterscheiben |
US6056632A (en) * | 1997-02-13 | 2000-05-02 | Speedfam-Ipec Corp. | Semiconductor wafer polishing apparatus with a variable polishing force wafer carrier head |
TW431942B (en) * | 1997-04-04 | 2001-05-01 | Tokyo Seimitsu Co Ltd | Polishing device |
US5957751A (en) * | 1997-05-23 | 1999-09-28 | Applied Materials, Inc. | Carrier head with a substrate detection mechanism for a chemical mechanical polishing system |
US6107203A (en) * | 1997-11-03 | 2000-08-22 | Motorola, Inc. | Chemical mechanical polishing system and method therefor |
FR2778129B1 (fr) * | 1998-05-04 | 2000-07-21 | St Microelectronics Sa | Disque support de membrane d'une machine de polissage et procede de fonctionnement d'une telle machine |
US6251215B1 (en) * | 1998-06-03 | 2001-06-26 | Applied Materials, Inc. | Carrier head with a multilayer retaining ring for chemical mechanical polishing |
US6422927B1 (en) * | 1998-12-30 | 2002-07-23 | Applied Materials, Inc. | Carrier head with controllable pressure and loading area for chemical mechanical polishing |
US6093089A (en) * | 1999-01-25 | 2000-07-25 | United Microelectronics Corp. | Apparatus for controlling uniformity of polished material |
DE19941903A1 (de) * | 1999-09-02 | 2001-03-15 | Wacker Siltronic Halbleitermat | Verfahren und Vorrichtung zum Polieren einer Halbleiterscheibe |
-
2001
- 2001-05-11 CN CNB2004100881994A patent/CN100433269C/zh not_active Expired - Fee Related
- 2001-05-11 KR KR1020027015207A patent/KR100811172B1/ko not_active IP Right Cessation
- 2001-05-11 EP EP01933311A patent/EP1284840A2/en not_active Withdrawn
- 2001-05-11 JP JP2001583983A patent/JP2003533359A/ja active Pending
- 2001-05-11 WO PCT/US2001/015306 patent/WO2001087541A2/en active Application Filing
- 2001-05-11 AU AU2001259745A patent/AU2001259745A1/en not_active Abandoned
- 2001-05-11 CN CNB018121713A patent/CN1179821C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1284840A2 (en) | 2003-02-26 |
KR100811172B1 (ko) | 2008-03-10 |
CN1440321A (zh) | 2003-09-03 |
AU2001259745A1 (en) | 2001-11-26 |
KR20030010621A (ko) | 2003-02-05 |
WO2001087541A3 (en) | 2002-03-28 |
CN1638057A (zh) | 2005-07-13 |
CN100433269C (zh) | 2008-11-12 |
JP2003533359A (ja) | 2003-11-11 |
WO2001087541A2 (en) | 2001-11-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1179821C (zh) | 具有独立限位环和多区域压力控制结构的气动隔膜式抛光头及其使用方法 | |
US6558232B1 (en) | System and method for CMP having multi-pressure zone loading for improved edge and annular zone material removal control | |
US6623343B2 (en) | System and method for CMP head having multi-pressure annular zone subcarrier material removal control | |
TW553799B (en) | System and method for pneumatic diaphragm cmp head having separate retaining ring and multi-region wafer pressure control | |
CN101053069A (zh) | 抛光设备 | |
CN1217387C (zh) | 单晶片的制造方法及研磨装置以及单晶片 | |
CN1684800A (zh) | 研磨装置、研磨头及研磨方法 | |
KR101767272B1 (ko) | 연마 장치 | |
CN1169654C (zh) | 化学机械抛光用的多层扣环 | |
US6872130B1 (en) | Carrier head with non-contact retainer | |
TW201318767A (zh) | 研磨頭及研磨裝置 | |
CN1791970A (zh) | 衬底保持装置和抛光装置 | |
WO1999051397A1 (en) | Polishing device | |
JP2000317819A (ja) | ウェーハ研磨装置 | |
CN1066083C (zh) | 圆柱件夹持器、具有夹持器的机加工设备及其机加工方法 | |
US6540590B1 (en) | Chemical mechanical polishing apparatus and method having a rotating retaining ring | |
KR20010078222A (ko) | 연마 장치의 연마 헤드 구조 | |
CN1698185A (zh) | 基板保持装置和抛光装置 | |
US6527625B1 (en) | Chemical mechanical polishing apparatus and method having a soft backed polishing head | |
KR100920709B1 (ko) | 화학기계적폴리싱(cmp) 헤드, 장치, 및 방법 및 그에의해 생산된 평탄화된 반도체웨이퍼 | |
CN1928475A (zh) | 减压干燥装置及基板干燥方法 | |
CN1748293A (zh) | 衬底保持装置以及抛光装置 | |
US6641461B2 (en) | Chemical mechanical polishing apparatus having edge, center and annular zone control of material removal | |
CN101607381B (zh) | 化学机械抛光头、设备和方法以及平面化半导体晶片 | |
CN1644317A (zh) | 抛光工件的抛光装置及方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041215 Termination date: 20100511 |