KR101744694B1 - 혼합 기공 구조를 갖는 cmp패드 - Google Patents
혼합 기공 구조를 갖는 cmp패드 Download PDFInfo
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- KR101744694B1 KR101744694B1 KR1020120126926A KR20120126926A KR101744694B1 KR 101744694 B1 KR101744694 B1 KR 101744694B1 KR 1020120126926 A KR1020120126926 A KR 1020120126926A KR 20120126926 A KR20120126926 A KR 20120126926A KR 101744694 B1 KR101744694 B1 KR 101744694B1
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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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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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
- B24B37/11—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
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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
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
-
- 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
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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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
- H01L21/34—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 not provided for in groups H01L21/18, H10D48/04 and H10D48/07, with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
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- Engineering & Computer Science (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 Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예에 따른 CMP 패드 제조방법의 단계도이다.
도 3 내지 5는 본 발명의 일 실시예에 따른 우레탄 프리폴리머와 경화제의 혼합 방식을 설명하는 도면이다.
도 6a 및 6b는 본 발명의 일 실시예에 따라 제조된 CMP 패드의 평면 및 단면 사진이다.
도 7은 연마속도의 비교 그래프이다.
도 8은 본 발명에 따라 자연기공이 형성된 CMP 패드와, 질소를 인위적으로 인가하여 형성된, 평균 직경 200㎛ 이상의 기공 형성 CMP 패드(비교예 2)의 2분 연마 후 웨이퍼 두께 분포를 비교한 그래프이다.
Claims (6)
- CMP 패드로서,
상기 패드의 내부 및 표면에 형성된 제 1 기공; 및
상기 패드의 표면에 웰(well) 형태로 개구되어 형성되고 다수 개가 이격되어 분포되는 제 2 기공을 포함하며, 여기에서 상기 제 1 기공의 크기는 20 내지 200㎛ 직경, 공극률은 10 내지 30%이며,
상기 제 2 기공은 250 내지 500㎛의 직경을 가지며, 상기 제 2 기공의 면적은 상기 CMP 패드 전체 면적의 10 내지 40%이며,
상기 제 1 기공은 우레탄 프리폴리머 및 경화제의 혼합물이 반응기 내에서 수평으로 연장되는 회전축에 의해 회전하고 일부가 상기 혼합물 위로 노출되는 스크루 블레이드의 회전에 의해 혼합되는 과정에서 형성되는 것을 특징으로 하는 CMP 패드. - 삭제
- 제 1항에 있어서,
상기 제 2 기공은 상기 CMP 패드 형성 후 외부에서 인가되는 열적 또는 물리적 힘에 의하여 형성되는 것을 특징으로 하는 CMP 패드. - 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120126926A KR101744694B1 (ko) | 2012-11-09 | 2012-11-09 | 혼합 기공 구조를 갖는 cmp패드 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120126926A KR101744694B1 (ko) | 2012-11-09 | 2012-11-09 | 혼합 기공 구조를 갖는 cmp패드 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140060160A KR20140060160A (ko) | 2014-05-19 |
KR101744694B1 true KR101744694B1 (ko) | 2017-06-09 |
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KR1020120126926A Active KR101744694B1 (ko) | 2012-11-09 | 2012-11-09 | 혼합 기공 구조를 갖는 cmp패드 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020227472A1 (en) * | 2019-05-07 | 2020-11-12 | Cabot Microelectronics Corporation | Chemical mechanical planarization pads with constant groove volume |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11813712B2 (en) * | 2019-12-20 | 2023-11-14 | Applied Materials, Inc. | Polishing pads having selectively arranged porosity |
KR102570825B1 (ko) * | 2020-07-16 | 2023-08-28 | 한국생산기술연구원 | 다공성 돌출 패턴을 포함하는 연마 패드 및 이를 포함하는 연마 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008512006A (ja) * | 2004-09-01 | 2008-04-17 | キャボット マイクロエレクトロニクス コーポレイション | 微小孔性領域を有する磨きパッド |
KR100838673B1 (ko) * | 2002-05-07 | 2008-06-16 | 도요 고무 고교 가부시키가이샤 | 연마 패드용 폴리우레탄 발포체의 제조 방법, 폴리우레탄 발포체, 및 연마 패드용 폴리우레탄 발포체의 제조 장치 |
JP2008238399A (ja) * | 1992-08-19 | 2008-10-09 | Rohm & Haas Electronic Materials Cmp Holdings Inc | 研磨パッド |
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2012
- 2012-11-09 KR KR1020120126926A patent/KR101744694B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008238399A (ja) * | 1992-08-19 | 2008-10-09 | Rohm & Haas Electronic Materials Cmp Holdings Inc | 研磨パッド |
KR100838673B1 (ko) * | 2002-05-07 | 2008-06-16 | 도요 고무 고교 가부시키가이샤 | 연마 패드용 폴리우레탄 발포체의 제조 방법, 폴리우레탄 발포체, 및 연마 패드용 폴리우레탄 발포체의 제조 장치 |
JP2008512006A (ja) * | 2004-09-01 | 2008-04-17 | キャボット マイクロエレクトロニクス コーポレイション | 微小孔性領域を有する磨きパッド |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020227472A1 (en) * | 2019-05-07 | 2020-11-12 | Cabot Microelectronics Corporation | Chemical mechanical planarization pads with constant groove volume |
TWI738323B (zh) * | 2019-05-07 | 2021-09-01 | 美商Cmc材料股份有限公司 | 化學機械拋光墊及化學機械拋光晶圓之方法 |
US11938584B2 (en) | 2019-05-07 | 2024-03-26 | Cmc Materials Llc | Chemical mechanical planarization pads with constant groove volume |
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Publication number | Publication date |
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KR20140060160A (ko) | 2014-05-19 |
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