JP5149243B2 - 微小孔性研磨パッド - Google Patents
微小孔性研磨パッド Download PDFInfo
- Publication number
- JP5149243B2 JP5149243B2 JP2009143456A JP2009143456A JP5149243B2 JP 5149243 B2 JP5149243 B2 JP 5149243B2 JP 2009143456 A JP2009143456 A JP 2009143456A JP 2009143456 A JP2009143456 A JP 2009143456A JP 5149243 B2 JP5149243 B2 JP 5149243B2
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- Prior art keywords
- polishing pad
- polishing
- less
- polymer
- gas
- 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
-
- 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
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/041—Microporous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
(b)単相溶液から研磨パッドを形成すること、を含む研磨パッド基材を製造するための方法。
この実施例は均一な孔径を有する微小孔性発泡体・ロッドを製造するための方法を示す。
この実施例は本発明の研磨パッドを調製するための方法を示す。
この実施例は本発明の研磨パッドを調製するための方法を示す。
この実施例は、本発明の微小孔性発泡体研磨パッドが良好な研磨特性を有することを示す。
この実施例は、本発明の微小孔性発泡体研磨パッドが良好な研磨特性を有することを示す。
この実施例は、本発明の微小孔性発泡体研磨パッドが浸透性であり、研磨の間に研磨組成物を輸送することができることを示す。
この実施例は、本発明の微小孔性発泡体研磨パッドが従来型の独立気泡微小孔性研磨パッドに比べて優れた研磨速度を有することを示す。
この実施例は、加圧ガス注入法を用いて本発明の研磨パッドを調製するための方法を示す。
Claims (17)
- 熱可塑性ポリウレタンが20以下のメルト・フロー・インデックス(MFI)、50,000g/モル〜300,000g/モルの分子量、および1.1〜6の多分散性インデックスを有し、50μm以下の平均孔径を持つ熱可塑性ポリウレタン発泡体を含む、化学機械研磨用の研磨パッド。
- ウレタン発泡体が350MPa〜1000MPaの曲げ弾性率を有する請求項1に記載の研磨パッド。
- 熱可塑性ポリウレタンがずり速度150l/sおよび205℃の温度で2〜10のレオロジー・プロセシング・インデックスを有する請求項1に記載の研磨パッド。
- 熱可塑性ウレタン発泡体が、圧縮率の平均%7以下、反発弾性率の平均%35以上、およびショアD硬度40〜90を有する請求項1に記載の研磨パッド。
- キャリア押下げ圧力0.028MPa、スラリー流量100ml/分、プラテン回転速度60rpm、およびキャリア回転速度55rpm〜60rpmを伴い、少なくとも600Å/分の速度で二酸化ケイ素ウエハーを研磨することができる化学機械研磨用のポリウレタン研磨パッドであって、該研磨パッドは研磨剤粒子を含有せず、外部的に作製した表面織目を全く含まず、
前記研磨パッドが、50μm以下の平均孔径を持つ熱可塑性ポリウレタン発泡体を含み;該熱可塑性ポリウレタンが、20以下のメルト・フロー・インデックス(MFI)、50,000g/モル〜300,000g/モルの分子量、および1.1〜6の多分散性インデックスを有するものである化学機械研磨用のポリウレタン研磨パッド。 - 研磨パッドが5%以下の空隙率を有する請求項5に記載の研磨パッド。
- 研磨パッドが50μm以下の平均孔径を有する孔を含む請求項5に記載の研磨パッド。
- (a)ポリマー樹脂を、高い温度および圧力にガスを晒すことにより生成される超臨界ガスと組み合わせて単相溶液を生成すること、および
(b)単相溶液から研磨パッドを形成すること、を含む研磨パッド基材を製造するための方法であって;
前記研磨パッドが、50μm以下の平均孔径を持つ熱可塑性ポリウレタン発泡体を含み;該熱可塑性ポリウレタンが、20以下のメルト・フロー・インデックス(MFI)、50,000g/モル〜300,000g/モルの分子量、および1.1〜6の多分散性インデックスを有するものである、研磨パッド基材を製造するための方法。 - ガスがC−H結合を含有しない請求項8に記載の方法。
- ガスが窒素、二酸化炭素、またはそれらの組合せを含む請求項9に記載の方法。
- ポリマー樹脂が、熱可塑性エラストマー、熱可塑性ポリウレタン、ポリオレフィン、ポリカーボネート、ポリビニルアルコール、ナイロン、エラストマーゴム、スチレン系ポリマー、多環芳香族、フルオロポリマー、ポリイミド、架橋ポリウレタン、架橋ポリオレフィン、ポリエーテル、ポリエステル、ポリアクリレート、エラストマー・ポリエチレン、ポリテトラフルオロエチレン、ポリエチレンテレフタレート、ポリイミド、ポリアラミド、ポリアリーレン、ポリスチレン、ポリメチルメタクリレート、それらのコポリマーおよびブロックコポリマー、およびそれらの混合物およびブレンドからなる群から選択される請求項8に記載の方法。
- 研磨パッドが、溶液cm3当り105を超える成長核を生みだすために十分な単相溶液における熱力学的不安定性を造りだすことにより形成される請求項8に記載の方法。
- 超臨界ガスの量が単相溶液全体積の0.01%〜5%である請求項8に記載の方法。
- ガスがポリマー樹脂と混合する前に超臨界ガスに変換される請求項8に記載の方法。
- ガスがポリマー樹脂と混合した後に超臨界ガスに変換される請求項8に記載の方法。
- ガスが二酸化炭素であり、温度が150℃〜250℃であり、および圧力が7MPa〜35MPaである請求項10に記載の方法。
- 研磨パッドが、ポリマー・シート中への押出し成形、多層シートの同時押出し成形、射出成形、圧縮成形、ブロー成形、ブロン(blown)・フィルム、多層ブロンフィルム、キャスト・フィルム、熱成形、およびラミネーションからなる群から選択される技術を用いて単相溶液から形成される請求項8に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38273902P | 2002-05-23 | 2002-05-23 | |
US60/382,739 | 2002-05-23 | ||
US10/281,782 | 2002-10-28 | ||
US10/281,782 US6913517B2 (en) | 2002-05-23 | 2002-10-28 | Microporous polishing pads |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004507027A Division JP4624781B2 (ja) | 2002-05-23 | 2003-05-21 | 微小孔性研磨パッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009274208A JP2009274208A (ja) | 2009-11-26 |
JP5149243B2 true JP5149243B2 (ja) | 2013-02-20 |
Family
ID=29552962
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004507027A Expired - Fee Related JP4624781B2 (ja) | 2002-05-23 | 2003-05-21 | 微小孔性研磨パッド |
JP2009143456A Expired - Fee Related JP5149243B2 (ja) | 2002-05-23 | 2009-06-16 | 微小孔性研磨パッド |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004507027A Expired - Fee Related JP4624781B2 (ja) | 2002-05-23 | 2003-05-21 | 微小孔性研磨パッド |
Country Status (8)
Country | Link |
---|---|
US (4) | US6913517B2 (ja) |
EP (1) | EP1509364B1 (ja) |
JP (2) | JP4624781B2 (ja) |
KR (1) | KR100790217B1 (ja) |
CN (3) | CN102189506B (ja) |
AU (1) | AU2003228036A1 (ja) |
TW (1) | TW590853B (ja) |
WO (1) | WO2003099518A1 (ja) |
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2002
- 2002-10-28 US US10/281,782 patent/US6913517B2/en not_active Expired - Lifetime
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2003
- 2003-05-21 AU AU2003228036A patent/AU2003228036A1/en not_active Abandoned
- 2003-05-21 WO PCT/IB2003/002123 patent/WO2003099518A1/en active Application Filing
- 2003-05-21 KR KR1020047018820A patent/KR100790217B1/ko active IP Right Grant
- 2003-05-21 JP JP2004507027A patent/JP4624781B2/ja not_active Expired - Fee Related
- 2003-05-21 CN CN2011100932939A patent/CN102189506B/zh not_active Expired - Lifetime
- 2003-05-21 CN CNB038175835A patent/CN100377837C/zh not_active Expired - Lifetime
- 2003-05-21 EP EP03725504.9A patent/EP1509364B1/en not_active Expired - Lifetime
- 2003-05-21 CN CN2008100049703A patent/CN101219531B/zh not_active Expired - Lifetime
- 2003-05-23 TW TW092113999A patent/TW590853B/zh not_active IP Right Cessation
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- 2004-03-03 US US10/792,348 patent/US6935931B2/en not_active Expired - Lifetime
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Also Published As
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TW590853B (en) | 2004-06-11 |
US6899598B2 (en) | 2005-05-31 |
CN100377837C (zh) | 2008-04-02 |
JP2005532176A (ja) | 2005-10-27 |
JP4624781B2 (ja) | 2011-02-02 |
WO2003099518A1 (en) | 2003-12-04 |
CN101219531A (zh) | 2008-07-16 |
JP2009274208A (ja) | 2009-11-26 |
EP1509364A1 (en) | 2005-03-02 |
US20040177563A1 (en) | 2004-09-16 |
US6896593B2 (en) | 2005-05-24 |
KR20050004184A (ko) | 2005-01-12 |
TW200404648A (en) | 2004-04-01 |
US20040171338A1 (en) | 2004-09-02 |
US20030220061A1 (en) | 2003-11-27 |
CN102189506B (zh) | 2013-03-13 |
KR100790217B1 (ko) | 2007-12-31 |
EP1509364B1 (en) | 2013-09-04 |
US20040171340A1 (en) | 2004-09-02 |
US6913517B2 (en) | 2005-07-05 |
CN102189506A (zh) | 2011-09-21 |
CN101219531B (zh) | 2011-05-04 |
US6935931B2 (en) | 2005-08-30 |
AU2003228036A1 (en) | 2003-12-12 |
CN1671509A (zh) | 2005-09-21 |
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