JP2008528309A5 - - Google Patents

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Publication number
JP2008528309A5
JP2008528309A5 JP2007553196A JP2007553196A JP2008528309A5 JP 2008528309 A5 JP2008528309 A5 JP 2008528309A5 JP 2007553196 A JP2007553196 A JP 2007553196A JP 2007553196 A JP2007553196 A JP 2007553196A JP 2008528309 A5 JP2008528309 A5 JP 2008528309A5
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JP
Japan
Prior art keywords
layer
polishing
thickness
polishing pad
backing
Prior art date
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Pending
Application number
JP2007553196A
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English (en)
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JP2008528309A (ja
Filing date
Publication date
Priority claimed from US11/043,361 external-priority patent/US8066552B2/en
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Publication of JP2008528309A publication Critical patent/JP2008528309A/ja
Publication of JP2008528309A5 publication Critical patent/JP2008528309A5/ja
Pending legal-status Critical Current

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Claims (16)

  1. 研磨面第一厚み第一圧縮性、及び約4080のショアD硬さをし、且つ、厚み不均一性を有する研磨層と、
    該研磨層に固定され該第一厚み以下の第二厚みを有し、且つ該第一圧縮性より大きい第二圧縮性を有する裏打ち層と、
    を備え、
    第一厚み第一圧縮性第二厚み、及び第二圧縮性、1.5psi以下の加圧下で該研磨面が該研磨層の厚み不均一性よりゆがむようなものである、
    研磨パッド。
  2. 該第二厚みが、該第一厚みにほぼ等しい、請求項1記載の研磨パッド。
  3. 裏打ち層の硬さが、約110のショアAである、請求項1記載の研磨パッド。
  4. 研磨層の厚みが約30〜90ミルである、請求項1記載の研磨パッド。
  5. 該研磨層と反対側で該裏打ち層に固定された導電性シートを更に備えている、請求項1記載の研磨パッド。
  6. 裏打ち層と該研磨層との間に液体-不浸透性透明シートを更に備えている、請求項1記載の研磨パッド。
  7. 該裏打ち層の該第二厚みと該第二圧縮性の積は、1.5psi以下の加圧で、2ミル以上である、請求項1記載の研磨パッド。
  8. 該裏打層が、ポリウレタン、ポリエーテル又はポリシリコーンの発泡体を含む、請求項1記載の研磨パッド。
  9. 研磨面を有する研磨層と、
    該研磨層における固体光透過部分と、
    該研磨層のうち該研磨面と反対側の面上に位置する裏打ち層であって、光透過部分と整列したアパーチャを有する裏打ち層と、
    該裏打ち層のうち該研磨層と反対側の面上に位置する光透過接着層であって、該裏打ち層の該アパーチャにかかっている接着層と、
    を備えている研磨パッド。
  10. 該接着層が該裏打層に隣接する、請求項記載の研磨パッド。
  11. 該接着層のうち該裏打ち層と反対側の面上に導電層を更に備え、該導電層が、該裏打ち層の該アパーチャと整列したアパーチャを有する、請求項記載の研磨パッド。
  12. 研磨面を有する研磨層と、
    該研磨層のうち該研磨面と反対側の面上に位置する裏打層と、
    を備え、該研磨層の外縁が該裏打層の外縁に覆いかぶさっている、研磨パッド。
  13. 該研磨層と裏打ち層がほぼ円形であり、該裏打ち層の直径が該研磨層の直径未満である、請求項12記載の研磨パッド。
  14. 該研磨層の該外縁が約1/4インチだけ該裏打ち層の該外縁に覆いかぶさっている、請求項12記載の研磨パッド。
  15. 研磨パッド支持体と
    研磨パッド支持体によって保持される研磨パッドであって、研磨面、第一厚み、第一圧縮性、約4080のショアD硬さ、及び厚み不均一性を備えた被覆層と、該被覆層に固定され、該第一厚み以下の第二厚みを有し且つ該第一圧縮性より大きい第二圧縮性を有する裏打ち層と、を有し、該第一厚み第一圧縮性第二厚み、及び第二圧縮性、1.5psi以下の加圧下で該研磨面が該被覆層の該厚み不均一性よりゆがむようなものである、研磨パッドと
    該研磨パッドと接触して基板を保持するキャリアヘッドと
    処理液の供給部と
    該パッド支持体と該キャリアヘッドの少なくとも1つに接続して該研磨パッドと該基板との間に相対運動を引き起こすモータと
    を備えている基板処理装置。
  16. 化学機械的処理方法であって
    基板を研磨パッドの研磨層の研磨面と接触させるステップであって、該研磨層が、研磨面、第一厚みと、第一圧縮性と、約4080のショアD硬さと、厚み不均一性とを有し、且つ、該研磨層が、該第一厚み以下の第二厚みを有し且つ該第一圧縮性より大きい第二圧縮性を有する裏打ち層に固定されている、ステップと
    該研磨面に研磨液を供給するステップと
    該基板と該磨面との間に相対運動を生成させるステップと
    該基板に圧力を加えて、1.5psi以下の加圧で該磨パッドに向かって基板を押圧するステップと
    を含み、
    第一厚み第一圧縮性第二厚み、及び第二圧縮性、該加圧下で該研磨面が該研磨層の該厚み不均一性よりゆがむようなものである、方法。
JP2007553196A 2005-01-26 2006-01-26 低圧研磨のための多層研磨パッド Pending JP2008528309A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/043,361 US8066552B2 (en) 2003-10-03 2005-01-26 Multi-layer polishing pad for low-pressure polishing
PCT/US2006/002599 WO2006081286A2 (en) 2005-01-26 2006-01-24 Multi-layer polishing pad for low-pressure polishing

Publications (2)

Publication Number Publication Date
JP2008528309A JP2008528309A (ja) 2008-07-31
JP2008528309A5 true JP2008528309A5 (ja) 2009-02-26

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Country Status (5)

Country Link
US (2) US8066552B2 (ja)
JP (1) JP2008528309A (ja)
CN (2) CN101107095B (ja)
TW (1) TWI321141B (ja)
WO (1) WO2006081286A2 (ja)

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