JP5593337B2 - ポリウレタン研磨パッド - Google Patents
ポリウレタン研磨パッド Download PDFInfo
- Publication number
- JP5593337B2 JP5593337B2 JP2012009792A JP2012009792A JP5593337B2 JP 5593337 B2 JP5593337 B2 JP 5593337B2 JP 2012009792 A JP2012009792 A JP 2012009792A JP 2012009792 A JP2012009792 A JP 2012009792A JP 5593337 B2 JP5593337 B2 JP 5593337B2
- Authority
- JP
- Japan
- Prior art keywords
- isocyanate
- polishing pad
- prepolymer
- reaction product
- polishing
- 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.)
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
本発明は、半導体基板、光学基板及び磁性基板の少なくとも一つを平坦化するのに適した研磨パッドであって、プレポリマーポリオールと多官能芳香族イソシアネートとの、イソシアネート末端化反応生成物を形成するプレポリマー反応から形成された流込み成形ポリウレタンポリマー材料を含み、前記多官能芳香族イソシアネートが8重量%未満の脂肪族イソシアネートを有するものであり、前記イソシアネート末端化反応生成物が4.5〜8.7重量%の未反応NCOを有するものであり、前記イソシアネート末端化反応生成物が、硬化剤ポリアミン類、硬化剤ポリオール類、硬化剤アルコールアミン類及びそれらの混合物からなる群より選択される硬化剤で硬化させたものであり、少なくとも0.1容量%の充填材又は気孔を含む研磨パッドを提供する。
流込み成形ポリウレタン研磨パッドは、半導体基板、光学基板及び磁性基板を平坦化するのに適している。パッドの具体的な研磨性は、一部には、プレポリマーポリオールと多官能イソシアネートとのプレポリマー反応生成物から生じる。研磨パッドを形成するためには、プレポリマー生成物を、硬化剤ポリアミン類、硬化剤ポリオール類、硬化剤アルコールアミン類及びそれらの混合物からなる群より選択される硬化剤で硬化させる。プレポリマー反応生成物中の未反応NCOの量を制御すると、ポリウレタン流込み成形を通じて多孔性パッドの均一性を改善することができることがわかった。
以下の表は、ポリウレタンケークを流込み成形するためのプレポリマー及び微小球の配合物を提示する。これらの配合物は、様々なプレポリマー配合物を用い、気孔を作るために様々な量のポリマー微小球を含有するものであった。これらの配合物は、トルエンジイソシアネート[TDI]とポリテトラメチレンエーテルグリコール[PTMEG]、ポリプロピレンエーテルグリコール[PPG]及びエステル主鎖とでイソシアネート末端化プレポリマーから試験した。以下の表に示すように、配合物1〜9は本発明の配合物を表し、配合物A〜Eは比較例を表す。特に、比較例Aは、米国特許第5,578,362号の実施例1の配合物に対応し、比較例Bは、Rohm and Haas Electronic Materials CMP Technologiesによって販売されているIC1000(商標)ポリウレタン研磨パッドの配合物に対応する。イソシアネート末端化プレポリマーに含まれる未反応NCOの量は5.3〜9.11%であった。
Claims (4)
- 半導体基板、光学基板及び磁性基板の少なくとも一つを平坦化するのに適した研磨パッドであって、プレポリマーであるポリプロピレンエーテルグリコールとトルエンジイソシアネートとのイソシアネート末端化反応生成物を形成するプレポリマー反応から形成された流込み成形ポリウレタンポリマー材料を含み、前記イソシアネート末端化反応生成物が5.55〜5.85重量%のイソシアナト基(NCO)を有するものであり、前記イソシアネート末端化反応生成物を、4,4’−メチレン−ビス−o−クロロアニリン(MBCA)硬化剤で硬化させたものであり、少なくとも0.1容量%の充填材又は気孔を含む研磨パッド。
- 前記4,4’−メチレン−ビス−o−クロロアニリン(MBCA)硬化剤及び前記イソシアネート末端化反応生成物が、80%〜120%のNCOに対するNH2の化学量論比を有する、請求項1記載の研磨パッド。
- 半導体基板を平坦化するのに適した研磨パッドであって、プレポリマーであるポリプロピレンエーテルグリコールとトルエンジイソシアネートとのイソシアネート末端化反応生成物を形成するプレポリマー反応から形成された流込み成形ポリウレタンポリマー材料を含み、前記イソシアネート末端化反応生成物が5.55〜5.85重量%のイソシアナト基(NCO)を有するものであり、前記イソシアネート末端化反応生成物を、4,4’−メチレン−ビス−o−クロロアニリン(MBCA)硬化剤を膨張性ポリマー微小球とともに用いて硬化させたものであり、少なくとも0.1容量%の気孔を含む研磨パッド。
- 前記4,4’−メチレン−ビス−o−クロロアニリン(MBCA)硬化剤及び前記イソシアネート末端化反応生成物が、80%〜120%のNCOに対するNH2の化学量論比を有する、請求項3記載の研磨パッド。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/772,054 US20050171224A1 (en) | 2004-02-03 | 2004-02-03 | Polyurethane polishing pad |
US10/772,054 | 2004-02-03 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006552126A Division JP4954716B2 (ja) | 2004-02-03 | 2005-01-13 | ポリウレタン研磨パッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012115982A JP2012115982A (ja) | 2012-06-21 |
JP5593337B2 true JP5593337B2 (ja) | 2014-09-24 |
Family
ID=34808579
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006552126A Active JP4954716B2 (ja) | 2004-02-03 | 2005-01-13 | ポリウレタン研磨パッド |
JP2012009792A Active JP5593337B2 (ja) | 2004-02-03 | 2012-01-20 | ポリウレタン研磨パッド |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006552126A Active JP4954716B2 (ja) | 2004-02-03 | 2005-01-13 | ポリウレタン研磨パッド |
Country Status (7)
Country | Link |
---|---|
US (3) | US20050171224A1 (ja) |
EP (1) | EP1716193A1 (ja) |
JP (2) | JP4954716B2 (ja) |
KR (1) | KR101141880B1 (ja) |
CN (1) | CN1914241B (ja) |
TW (1) | TWI378994B (ja) |
WO (1) | WO2005077999A1 (ja) |
Families Citing this family (98)
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-
2004
- 2004-02-03 US US10/772,054 patent/US20050171224A1/en not_active Abandoned
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2005
- 2005-01-13 CN CN2005800037363A patent/CN1914241B/zh not_active Ceased
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- 2005-01-13 JP JP2006552126A patent/JP4954716B2/ja active Active
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- 2005-01-13 WO PCT/US2005/001192 patent/WO2005077999A1/en active Application Filing
- 2005-01-28 TW TW094102742A patent/TWI378994B/zh active
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2008
- 2008-06-04 US US12/156,685 patent/US8288448B2/en active Active
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JP4954716B2 (ja) | 2012-06-20 |
CN1914241B (zh) | 2011-03-23 |
US20110054057A9 (en) | 2011-03-03 |
JP2007520617A (ja) | 2007-07-26 |
JP2012115982A (ja) | 2012-06-21 |
US7414080B2 (en) | 2008-08-19 |
EP1716193A1 (en) | 2006-11-02 |
US20080242755A1 (en) | 2008-10-02 |
TW200530382A (en) | 2005-09-16 |
TWI378994B (en) | 2012-12-11 |
US20050171224A1 (en) | 2005-08-04 |
US20050171225A1 (en) | 2005-08-04 |
WO2005077999A1 (en) | 2005-08-25 |
US8288448B2 (en) | 2012-10-16 |
CN1914241A (zh) | 2007-02-14 |
KR20060124686A (ko) | 2006-12-05 |
KR101141880B1 (ko) | 2012-05-03 |
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