DE102007024460B4 - Chemisch-mechanisches Polierkissen - Google Patents
Chemisch-mechanisches Polierkissen Download PDFInfo
- Publication number
- DE102007024460B4 DE102007024460B4 DE102007024460.8A DE102007024460A DE102007024460B4 DE 102007024460 B4 DE102007024460 B4 DE 102007024460B4 DE 102007024460 A DE102007024460 A DE 102007024460A DE 102007024460 B4 DE102007024460 B4 DE 102007024460B4
- Authority
- DE
- Germany
- Prior art keywords
- polishing
- polymeric
- protrusions
- polymer
- polymeric matrix
- 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.)
- Active
Links
Images
Classifications
-
- 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
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/442,076 US7169030B1 (en) | 2006-05-25 | 2006-05-25 | Chemical mechanical polishing pad |
| US11/442,076 | 2006-05-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102007024460A1 DE102007024460A1 (de) | 2007-11-29 |
| DE102007024460B4 true DE102007024460B4 (de) | 2021-12-16 |
Family
ID=37681809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102007024460.8A Active DE102007024460B4 (de) | 2006-05-25 | 2007-05-25 | Chemisch-mechanisches Polierkissen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7169030B1 (https=) |
| JP (1) | JP5346445B2 (https=) |
| KR (1) | KR101360654B1 (https=) |
| CN (1) | CN100540224C (https=) |
| DE (1) | DE102007024460B4 (https=) |
| FR (1) | FR2901498B1 (https=) |
| TW (1) | TWI402334B (https=) |
Families Citing this family (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7445847B2 (en) * | 2006-05-25 | 2008-11-04 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad |
| US8479523B2 (en) * | 2006-05-26 | 2013-07-09 | General Electric Company | Method for gas turbine operation during under-frequency operation through use of air extraction |
| US7371160B1 (en) | 2006-12-21 | 2008-05-13 | Rohm And Haas Electronic Materials Cmp Holdings Inc. | Elastomer-modified chemical mechanical polishing pad |
| US7438636B2 (en) * | 2006-12-21 | 2008-10-21 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad |
| US7569268B2 (en) * | 2007-01-29 | 2009-08-04 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad |
| US20090062414A1 (en) * | 2007-08-28 | 2009-03-05 | David Picheng Huang | System and method for producing damping polyurethane CMP pads |
| US8052507B2 (en) * | 2007-11-20 | 2011-11-08 | Praxair Technology, Inc. | Damping polyurethane CMP pads with microfillers |
| US20100035529A1 (en) * | 2008-08-05 | 2010-02-11 | Mary Jo Kulp | Chemical mechanical polishing pad |
| JP5323447B2 (ja) * | 2008-10-29 | 2013-10-23 | 大和化成工業株式会社 | 研磨砥石 |
| US8303375B2 (en) | 2009-01-12 | 2012-11-06 | Novaplanar Technology, Inc. | Polishing pads for chemical mechanical planarization and/or other polishing methods |
| JP2012528487A (ja) * | 2009-05-27 | 2012-11-12 | ロジャーズ コーポレーション | 研磨パッド、それを用いた組成物および、その製造と使用方法 |
| US8257544B2 (en) | 2009-06-10 | 2012-09-04 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad having a low defect integral window |
| US8697239B2 (en) | 2009-07-24 | 2014-04-15 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Multi-functional polishing pad |
| US8551201B2 (en) * | 2009-08-07 | 2013-10-08 | Praxair S.T. Technology, Inc. | Polyurethane composition for CMP pads and method of manufacturing same |
| JP5606083B2 (ja) * | 2010-01-29 | 2014-10-15 | 日本発條株式会社 | 独泡ウレタンシート及びその製造方法 |
| CN103153539B (zh) * | 2010-10-26 | 2015-09-09 | 东洋橡胶工业株式会社 | 研磨垫及其制造方法 |
| MY159320A (en) * | 2010-10-26 | 2016-12-30 | Rohm & Haas Elect Materials Cmp Holdings Inc | Polishing pad and method for producing same |
| US8512427B2 (en) | 2011-09-29 | 2013-08-20 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Acrylate polyurethane chemical mechanical polishing layer |
| US20150059254A1 (en) * | 2013-09-04 | 2015-03-05 | Dow Global Technologies Llc | Polyurethane polishing pad |
| US20150306731A1 (en) * | 2014-04-25 | 2015-10-29 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad |
| US20150375361A1 (en) * | 2014-06-25 | 2015-12-31 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing method |
| US9259821B2 (en) * | 2014-06-25 | 2016-02-16 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing layer formulation with conditioning tolerance |
| US9731398B2 (en) | 2014-08-22 | 2017-08-15 | Rohm And Haas Electronic Materials Cmp Holding, Inc. | Polyurethane polishing pad |
| US9873180B2 (en) | 2014-10-17 | 2018-01-23 | Applied Materials, Inc. | CMP pad construction with composite material properties using additive manufacturing processes |
| US10875153B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Advanced polishing pad materials and formulations |
| US10399201B2 (en) | 2014-10-17 | 2019-09-03 | Applied Materials, Inc. | Advanced polishing pads having compositional gradients by use of an additive manufacturing process |
| US9776361B2 (en) | 2014-10-17 | 2017-10-03 | Applied Materials, Inc. | Polishing articles and integrated system and methods for manufacturing chemical mechanical polishing articles |
| US10821573B2 (en) | 2014-10-17 | 2020-11-03 | Applied Materials, Inc. | Polishing pads produced by an additive manufacturing process |
| SG11201703114QA (en) | 2014-10-17 | 2017-06-29 | Applied Materials Inc | Cmp pad construction with composite material properties using additive manufacturing processes |
| US10875145B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Polishing pads produced by an additive manufacturing process |
| US11745302B2 (en) | 2014-10-17 | 2023-09-05 | Applied Materials, Inc. | Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process |
| US9481070B2 (en) * | 2014-12-19 | 2016-11-01 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | High-stability polyurethane polishing pad |
| DE102015220090B4 (de) * | 2015-01-14 | 2021-02-18 | Siltronic Ag | Verfahren zum Abrichten von Poliertüchern |
| US9630293B2 (en) | 2015-06-26 | 2017-04-25 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad composite polishing layer formulation |
| US9457449B1 (en) | 2015-06-26 | 2016-10-04 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pad with composite polishing layer |
| US9539694B1 (en) | 2015-06-26 | 2017-01-10 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Composite polishing layer chemical mechanical polishing pad |
| KR20230169424A (ko) | 2015-10-30 | 2023-12-15 | 어플라이드 머티어리얼스, 인코포레이티드 | 원하는 제타 전위를 가진 연마 제품을 형성하는 장치 및 방법 |
| US10593574B2 (en) | 2015-11-06 | 2020-03-17 | Applied Materials, Inc. | Techniques for combining CMP process tracking data with 3D printed CMP consumables |
| US10391605B2 (en) | 2016-01-19 | 2019-08-27 | Applied Materials, Inc. | Method and apparatus for forming porous advanced polishing pads using an additive manufacturing process |
| US10086494B2 (en) | 2016-09-13 | 2018-10-02 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | High planarization efficiency chemical mechanical polishing pads and methods of making |
| US10208154B2 (en) | 2016-11-30 | 2019-02-19 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Formulations for chemical mechanical polishing pads and CMP pads made therewith |
| AU2018227869B2 (en) | 2017-03-03 | 2023-02-09 | Dow Global Technologies Llc | Low density polyurethane elastomer foam with high ball rebound |
| CN106891246B (zh) * | 2017-03-30 | 2019-05-07 | 湖北鼎龙控股股份有限公司 | 一种用于半导体、光学材料和磁性材料表面平坦化的化学机械抛光垫 |
| US20180304539A1 (en) | 2017-04-21 | 2018-10-25 | Applied Materials, Inc. | Energy delivery system with array of energy sources for an additive manufacturing apparatus |
| KR101835087B1 (ko) * | 2017-05-29 | 2018-03-06 | 에스케이씨 주식회사 | 다공성 폴리우레탄 연마패드 및 이를 사용하여 반도체 소자를 제조하는 방법 |
| US10391606B2 (en) | 2017-06-06 | 2019-08-27 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Chemical mechanical polishing pads for improved removal rate and planarization |
| US11471999B2 (en) | 2017-07-26 | 2022-10-18 | Applied Materials, Inc. | Integrated abrasive polishing pads and manufacturing methods |
| US11072050B2 (en) | 2017-08-04 | 2021-07-27 | Applied Materials, Inc. | Polishing pad with window and manufacturing methods thereof |
| WO2019032286A1 (en) | 2017-08-07 | 2019-02-14 | Applied Materials, Inc. | ABRASIVE DISTRIBUTION POLISHING PADS AND METHODS OF MAKING SAME |
| KR101949905B1 (ko) * | 2017-08-23 | 2019-02-19 | 에스케이씨 주식회사 | 다공성 폴리우레탄 연마패드 및 이의 제조방법 |
| US11179822B2 (en) | 2017-08-31 | 2021-11-23 | Hubei Dinghui Microelectronics Materials Co., Ltd | Polyurethane polishing layer, polishing pad comprising polishing layer, method for preparing polishing layer and method for planarizing material |
| US10464187B2 (en) | 2017-12-01 | 2019-11-05 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | High removal rate chemical mechanical polishing pads from amine initiated polyol containing curatives |
| KR102054309B1 (ko) * | 2018-04-17 | 2019-12-10 | 에스케이씨 주식회사 | 다공성 연마 패드 및 이의 제조방법 |
| KR20210042171A (ko) | 2018-09-04 | 2021-04-16 | 어플라이드 머티어리얼스, 인코포레이티드 | 진보한 폴리싱 패드들을 위한 제형들 |
| US11331767B2 (en) | 2019-02-01 | 2022-05-17 | Micron Technology, Inc. | Pads for chemical mechanical planarization tools, chemical mechanical planarization tools, and related methods |
| KR102277418B1 (ko) * | 2019-05-21 | 2021-07-14 | 에스케이씨솔믹스 주식회사 | 가교 밀도가 향상된 연마패드 및 이의 제조방법 |
| US11638978B2 (en) * | 2019-06-10 | 2023-05-02 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Low-debris fluopolymer composite CMP polishing pad |
| CN110170917A (zh) * | 2019-07-10 | 2019-08-27 | 蓝思科技(长沙)有限公司 | 一种抛光衬垫及其制备方法 |
| CN110528287B (zh) * | 2019-08-08 | 2022-03-08 | 安徽安利材料科技股份有限公司 | 一种毛刷式高耐用化学机械抛光聚氨酯材料及其制备方法 |
| KR102177748B1 (ko) * | 2019-11-28 | 2020-11-11 | 에스케이씨 주식회사 | 다공성 연마 패드 및 이의 제조방법 |
| US11813712B2 (en) | 2019-12-20 | 2023-11-14 | Applied Materials, Inc. | Polishing pads having selectively arranged porosity |
| US11806829B2 (en) | 2020-06-19 | 2023-11-07 | Applied Materials, Inc. | Advanced polishing pads and related polishing pad manufacturing methods |
| US11878389B2 (en) | 2021-02-10 | 2024-01-23 | Applied Materials, Inc. | Structures formed using an additive manufacturing process for regenerating surface texture in situ |
| KR102572960B1 (ko) * | 2021-06-10 | 2023-09-01 | 에프엔에스테크 주식회사 | 복수의 패턴 구조체를 포함하는 연마 패드 |
| CN117247739B (zh) * | 2023-09-20 | 2026-03-17 | 上海宗易工贸有限公司 | 一种半导体晶片抛光材料及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1950559A1 (de) | 1968-10-07 | 1970-04-16 | Minnesota Mining & Mfg | Haertbare Epoxy-Amin-Formmassen |
| DE2845784A1 (de) | 1977-12-09 | 1979-06-13 | Ihara Chemical Ind Co | Verfahren zur herstellung von polyurethan-elastomeren |
| DE69812127T2 (de) | 1997-04-04 | 2003-11-27 | Rodel Holdings, Inc. | Polierkissen und verfahren zu seiner herstellung |
| US20050079806A1 (en) | 2003-10-09 | 2005-04-14 | James David B. | Polishing pad |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY114512A (en) | 1992-08-19 | 2002-11-30 | Rodel Inc | Polymeric substrate with polymeric microelements |
| US5814409A (en) | 1994-05-10 | 1998-09-29 | Asahi Kasei Kogyo Kabushiki Kaisha | Expanded fluorine type resin products and a preparation process thereof |
| US6648733B2 (en) * | 1997-04-04 | 2003-11-18 | Rodel Holdings, Inc. | Polishing pads and methods relating thereto |
| US6682402B1 (en) * | 1997-04-04 | 2004-01-27 | Rodel Holdings, Inc. | Polishing pads and methods relating thereto |
| US6022268A (en) | 1998-04-03 | 2000-02-08 | Rodel Holdings Inc. | Polishing pads and methods relating thereto |
| US6514301B1 (en) | 1998-06-02 | 2003-02-04 | Peripheral Products Inc. | Foam semiconductor polishing belts and pads |
| US7718102B2 (en) | 1998-06-02 | 2010-05-18 | Praxair S.T. Technology, Inc. | Froth and method of producing froth |
| US6022903A (en) | 1998-07-09 | 2000-02-08 | Arco Chemical Technology L.P. | Permanent gas blown microcellular polyurethane elastomers |
| US6095902A (en) * | 1998-09-23 | 2000-08-01 | Rodel Holdings, Inc. | Polyether-polyester polyurethane polishing pads and related methods |
| US6267644B1 (en) | 1998-11-06 | 2001-07-31 | Beaver Creek Concepts Inc | Fixed abrasive finishing element having aids finishing method |
| US6860802B1 (en) | 2000-05-27 | 2005-03-01 | Rohm And Haas Electric Materials Cmp Holdings, Inc. | Polishing pads for chemical mechanical planarization |
| US6736709B1 (en) | 2000-05-27 | 2004-05-18 | Rodel Holdings, Inc. | Grooved polishing pads for chemical mechanical planarization |
| US6454634B1 (en) | 2000-05-27 | 2002-09-24 | Rodel Holdings Inc. | Polishing pads for chemical mechanical planarization |
| CN100496896C (zh) * | 2000-12-01 | 2009-06-10 | 东洋橡膠工业株式会社 | 研磨垫 |
| JP4763161B2 (ja) * | 2001-06-19 | 2011-08-31 | 善二郎 小柳津 | 研磨パッド又はバフ材、これに用いる研磨用ポリ尿素弾性硬質フォーム及びその製造方法 |
| WO2004046216A1 (en) * | 2002-11-18 | 2004-06-03 | Dong Sung A & T Co., Ltd. | Method of fabricating polyurethane foam with micro pores and polishing pad tehrefrom |
| JP2004303280A (ja) | 2003-03-28 | 2004-10-28 | Hoya Corp | 情報記録媒体用ガラス基板の製造方法 |
| SG111222A1 (en) * | 2003-10-09 | 2005-05-30 | Rohm & Haas Elect Mat | Polishing pad |
| US20050171224A1 (en) | 2004-02-03 | 2005-08-04 | Kulp Mary J. | Polyurethane polishing pad |
-
2006
- 2006-05-25 US US11/442,076 patent/US7169030B1/en active Active
-
2007
- 2007-05-04 TW TW096115813A patent/TWI402334B/zh active
- 2007-05-23 KR KR1020070050489A patent/KR101360654B1/ko active Active
- 2007-05-25 CN CNB2007101092458A patent/CN100540224C/zh active Active
- 2007-05-25 JP JP2007138565A patent/JP5346445B2/ja active Active
- 2007-05-25 FR FR0755265A patent/FR2901498B1/fr active Active
- 2007-05-25 DE DE102007024460.8A patent/DE102007024460B4/de active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1950559A1 (de) | 1968-10-07 | 1970-04-16 | Minnesota Mining & Mfg | Haertbare Epoxy-Amin-Formmassen |
| DE2845784A1 (de) | 1977-12-09 | 1979-06-13 | Ihara Chemical Ind Co | Verfahren zur herstellung von polyurethan-elastomeren |
| DE69812127T2 (de) | 1997-04-04 | 2003-11-27 | Rodel Holdings, Inc. | Polierkissen und verfahren zu seiner herstellung |
| US20050079806A1 (en) | 2003-10-09 | 2005-04-14 | James David B. | Polishing pad |
Non-Patent Citations (2)
| Title |
|---|
| ASTM D1938 |
| ASTM D624-00e1 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5346445B2 (ja) | 2013-11-20 |
| TWI402334B (zh) | 2013-07-21 |
| CN101077569A (zh) | 2007-11-28 |
| FR2901498B1 (fr) | 2010-09-03 |
| KR101360654B1 (ko) | 2014-02-07 |
| FR2901498A1 (fr) | 2007-11-30 |
| KR20070114018A (ko) | 2007-11-29 |
| TW200813199A (en) | 2008-03-16 |
| DE102007024460A1 (de) | 2007-11-29 |
| JP2007313640A (ja) | 2007-12-06 |
| CN100540224C (zh) | 2009-09-16 |
| US7169030B1 (en) | 2007-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102007024460B4 (de) | Chemisch-mechanisches Polierkissen | |
| DE102007024459A1 (de) | Chemisch-mechanisches Polierkissen | |
| KR101526010B1 (ko) | 화학 기계적 연마 패드 | |
| KR101630464B1 (ko) | 다관능성 연마 패드 | |
| DE102017008616A1 (de) | Chemisch-mechanische Polierkissen mit hoher Planarisierungseffizienz und Verfahren zu deren Herstellung | |
| DE102015006980A1 (de) | Chemisch-Mechanisches Polierverfahren | |
| DE102015007033A1 (de) | Chemisch-mechanische Polierschichtformulierung mit Konditionierungstoleranz | |
| DE602004010871T2 (de) | Polierscheibe | |
| DE102015016424A1 (de) | CMP-Gießverfahren mit eingestellter Viskosität | |
| DE102013018258A1 (de) | Weiches und konditionierbares chemisch-mechanisches Polierkissen | |
| DE102015016427A1 (de) | Gießverfahren für ein CMP-Kissen mit eingestellter Expansion | |
| DE102016007767A1 (de) | Formulierung für eine verbundpolierschicht für ein chemisch-mechanisches polierkissen | |
| DE102015016425A1 (de) | Polyurethan-Polierkissen mit hoher Stabilität | |
| DE102016012533A1 (de) | Chemisch-mechanisches Polierverfahren | |
| DE102019007230A1 (de) | Chemisch-mechanisches polierkissen und polierverfahren | |
| DE102014013023A1 (de) | Polyurethan-Polierkissen | |
| DE102016007771A1 (de) | Verfahren zur Herstellung einer Polierschicht für ein chemisch-mechanisches Polierkissen | |
| DE102023113441A1 (de) | CMP-Kissen mit einer Polierschicht mit niedriger Dichte | |
| DE102022122010A1 (de) | Komprimierbares, nicht-netzförmiges polyharnstoff-polierkissen | |
| DE102018003387A1 (de) | Verfahren zur Herstellung von chemisch-mechanischen Polierschichten mit verbesserter Einheitlichkeit | |
| DE102016007775A1 (de) | Chemisch-mechanisches Polierkissen und Verfahren zu dessen Herstellung | |
| DE102023113425A1 (de) | Verfahren zur Herstellung von Polierkissen mit niedriger Dichte | |
| DE102022122023A1 (de) | Heterogenes fluorpolymergemisch-polierkissen | |
| DE102022122007A1 (de) | Fluoriertes polyharnstoff-copolymer-kissen | |
| DE102023113432A1 (de) | CMP-Kissen mit sehr stark expandierten polymeren Mikrokügelchen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: B24D0013000000 Ipc: B24B0037140000 |
|
| R012 | Request for examination validly filed |
Effective date: 20140505 |
|
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: B24D0013000000 Ipc: B24B0037140000 Effective date: 20140513 |
|
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final | ||
| R081 | Change of applicant/patentee |
Owner name: DUPONT ELECTRONIC MATERIALS HOLDING, INC., NEW, US Free format text: FORMER OWNER: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC., NEWARK, DEL., US |
|
| R082 | Change of representative |
Representative=s name: MUELLER-BORE & PARTNER PATENTANWAELTE PARTG MB, DE Representative=s name: ABITZ & PARTNER PATENTANWAELTE MBB, DE |
|
| R082 | Change of representative |
Representative=s name: MUELLER-BORE & PARTNER PATENTANWAELTE PARTG MB, DE |