JP2006013523A - 共有結合粒子を有する研磨パッドおよび研磨パッドの製造方法 - Google Patents
共有結合粒子を有する研磨パッドおよび研磨パッドの製造方法 Download PDFInfo
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- JP2006013523A JP2006013523A JP2005195615A JP2005195615A JP2006013523A JP 2006013523 A JP2006013523 A JP 2006013523A JP 2005195615 A JP2005195615 A JP 2005195615A JP 2005195615 A JP2005195615 A JP 2005195615A JP 2006013523 A JP2006013523 A JP 2006013523A
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- Prior art keywords
- abrasive particles
- matrix material
- pad
- polishing pad
- polishing
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- 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.)
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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
- B24B37/11—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
- B24B37/245—Pads with fixed abrasives
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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
-
- 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
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- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
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- 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
- Y10S451/00—Abrading
- Y10S451/921—Pad for lens shaping tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
【解決手段】研磨パッド10は、本体11、分子結合リンク30、および本体全体に実質的に均一に分散した研磨粒子20を有する。本体11はポリマー性マトリクス材料12から作製され、分子結合リンク30はマトリクス材料12に共有結合される。実質的に全ての研磨粒子20は、少なくとも1つの分子結合リンク30に共有結合される。分子結合リンク30は、研磨粒子20をマトリクス材料12に確実に固定し、パッド全体への研磨粒子20の分布の均一性を増強し、実質的に研磨粒子20がパッドから脱離するのを防止する。
【選択図】図2
Description
化学的−機械的平坦化(「CMP」)プロセスは、超高密度集積回路の製造において、ウエハの表層から材料を除去する。典型的なCMPプロセスにおいて、ウエハは、スラリーの存在下、制御された化学的条件、圧力条件、速度条件、および
温度条件のもとで研磨パッドを圧する。スラリー溶液は、ウエハ表面をすり減らす研磨粒子、およびウエハ表面を酸化および/またはエッチングする化学薬品を有する。従って、相対運動がウエハとパッドとの間に与えられる場合、材料は、研磨粒子(機械的除去)およびスラリー中の化学薬品(化学的除去)によって、ウエハ表面から除去される。
本発明の研磨パッドは、CMPプロセスによって半導体ウエハを平坦化するために使用される;研磨パッドは、本体、分子結合リンク、および本体全体に実質的に均一に分散した研磨粒子を有する。本体は、ポリマー性マトリクス材料から作製され、そして分子結合リンクは、マトリクス材料に共有結合する。実質的に全ての研磨粒子はまた、少なくとも1つの分子結合リンクに共有結合する。分子結合リンクは、研磨粒子をマトリクス材料に確実に固定して、パッド全体の研磨粒子の分布の均一性を増強し、そして研磨粒子がパッドから脱離することを実質的に防止する。
本発明の研磨パッドは、パッド全体に研磨粒子の均一な分布を有し、そして研磨粒子はパッドに共有結合し、研磨粒子がパッドから脱離することを実質的に防止する。本発明の重要な局面は、研磨パッドのマトリクス材料および研磨粒子の両方に共有結合する分子結合リンクを提供することである。分子結合リンクは、以下の有利な作用を行う:(1)研磨粒子がマトリクス材料が硬化される前に集塊することを実質的に防止する;そして(2)マトリクス材料に研磨粒子を確保する。従って、分子結合リンクは、マトリクス材料全体の研磨粒子の分布の均一性を増強し、そして研磨粒子が研磨パッドから脱離することを実質的に防止する。
Claims (1)
- 半導体ウエハ研磨パッドであって、
ポリマー性マトリクス材料から作製される本体と、
該マトリクス材料に共有結合した結合分子と、
該本体全体に実質的に均一な分布で該結合分子に共有結合した研磨粒子と
を有し、
該結合分子は、該研磨粒子を該マトリクス材料に固定し、該研磨粒子と該マトリクス材料との間の該固定は、静電的化学的−機械的平坦化スラリーの存在下で維持される、研磨パッド。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/589,774 US5624303A (en) | 1996-01-22 | 1996-01-22 | Polishing pad and a method for making a polishing pad with covalently bonded particles |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52625697A Division JP4171846B2 (ja) | 1996-01-22 | 1997-01-21 | 共有給合された粒子を有する研磨パッドおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006013523A true JP2006013523A (ja) | 2006-01-12 |
JP4174607B2 JP4174607B2 (ja) | 2008-11-05 |
Family
ID=24359467
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52625697A Expired - Fee Related JP4171846B2 (ja) | 1996-01-22 | 1997-01-21 | 共有給合された粒子を有する研磨パッドおよびその製造方法 |
JP2005195615A Expired - Fee Related JP4174607B2 (ja) | 1996-01-22 | 2005-07-04 | 共有結合粒子を有する研磨パッドおよび研磨パッドの製造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52625697A Expired - Fee Related JP4171846B2 (ja) | 1996-01-22 | 1997-01-21 | 共有給合された粒子を有する研磨パッドおよびその製造方法 |
Country Status (8)
Country | Link |
---|---|
US (3) | US5624303A (ja) |
EP (1) | EP0876242B1 (ja) |
JP (2) | JP4171846B2 (ja) |
KR (1) | KR100459528B1 (ja) |
AT (1) | ATE218413T1 (ja) |
AU (1) | AU1832897A (ja) |
DE (1) | DE69713057T2 (ja) |
WO (1) | WO1997026114A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140097486A (ko) * | 2011-11-29 | 2014-08-06 | 넥스플래너 코퍼레이션 | 기초 레이어 및 연마면 레이어를 가진 연마 패드 |
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- 1997-01-21 AT AT97903862T patent/ATE218413T1/de not_active IP Right Cessation
- 1997-01-21 WO PCT/US1997/000861 patent/WO1997026114A1/en active IP Right Grant
- 1997-01-21 JP JP52625697A patent/JP4171846B2/ja not_active Expired - Fee Related
- 1997-01-21 DE DE69713057T patent/DE69713057T2/de not_active Expired - Lifetime
- 1997-01-21 KR KR10-1998-0705588A patent/KR100459528B1/ko not_active IP Right Cessation
- 1997-01-21 AU AU18328/97A patent/AU1832897A/en not_active Abandoned
- 1997-02-12 US US08/798,001 patent/US5823855A/en not_active Expired - Lifetime
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KR20140097486A (ko) * | 2011-11-29 | 2014-08-06 | 넥스플래너 코퍼레이션 | 기초 레이어 및 연마면 레이어를 가진 연마 패드 |
KR101685678B1 (ko) | 2011-11-29 | 2016-12-12 | 넥스플래너 코퍼레이션 | 기초 레이어 및 연마면 레이어를 가진 연마 패드 |
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US5879222A (en) | 1999-03-09 |
JP4171846B2 (ja) | 2008-10-29 |
KR19990081877A (ko) | 1999-11-15 |
KR100459528B1 (ko) | 2005-06-02 |
DE69713057T2 (de) | 2003-01-23 |
DE69713057D1 (de) | 2002-07-11 |
AU1832897A (en) | 1997-08-11 |
ATE218413T1 (de) | 2002-06-15 |
WO1997026114A1 (en) | 1997-07-24 |
US5823855A (en) | 1998-10-20 |
JP4174607B2 (ja) | 2008-11-05 |
EP0876242A1 (en) | 1998-11-11 |
JP2000503601A (ja) | 2000-03-28 |
EP0876242B1 (en) | 2002-06-05 |
US5624303A (en) | 1997-04-29 |
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