JP5252271B2 - 研磨装置 - Google Patents
研磨装置 Download PDFInfo
- Publication number
- JP5252271B2 JP5252271B2 JP2008120113A JP2008120113A JP5252271B2 JP 5252271 B2 JP5252271 B2 JP 5252271B2 JP 2008120113 A JP2008120113 A JP 2008120113A JP 2008120113 A JP2008120113 A JP 2008120113A JP 5252271 B2 JP5252271 B2 JP 5252271B2
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- JP
- Japan
- Prior art keywords
- polishing
- substrate
- polished
- cathode
- anode
- 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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- 238000005498 polishing Methods 0.000 title claims description 169
- 239000000758 substrate Substances 0.000 claims description 95
- 230000007246 mechanism Effects 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 239000008151 electrolyte solution Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
- 229910052802 copper Inorganic materials 0.000 description 13
- 239000010949 copper Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 238000012937 correction Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
P1 第1位置
P2 第2位置
1 研磨装置
10 基板回転機構
11 基板チャック
20 パッド回転機構
21 研磨ヘッド
23 研磨パッド(23s 研磨面)
30 ヘッド移動機構(移動機構)
40 加工液供給装置
60 電解研磨用電源装置
100 電極構造
110 リテーナリング(陰極部材)
115 陰極
120 パッド電極120(陽極部材)
125 陽極
155 係合部材
Claims (4)
- 研磨対象面が上向きとなる水平姿勢で基板を保持し、上下に延びる回転軸廻りに回転駆動される基板チャックと、
前記基板よりも小径の研磨パッドを研磨面が下向きとなる水平姿勢で保持し、上下に延びる回転軸廻りに回転駆動される研磨ヘッドと、
前記研磨ヘッドと前記基板とを相対移動させて前記研磨面を前記研磨対象面に当接させる移動機構と、
前記研磨対象面に加工液を供給する加工液供給装置とを備え、
前記研磨ヘッドには、下端部が前記研磨面に露出する陽極部材が設けられ、
前記基板チャックは、上面に基板支持面が形成された円盤状のチャックプレートと、前記チャックプレートの外周部に形成され、上面が前記基板支持面よりも低い電極支持部と、前記電極支持部に設けられた円環状の陰極部材とを有し、
前記陰極部材は、上端部が前記電極支持部の上面から上方に突出し且つ前記基板支持面に支持された前記基板の外周縁部と離隔するように前記電極支持部に設けられ、
前記基板チャック及び前記研磨ヘッドを回転させて前記研磨対象面に前記研磨面を当接させ、前記加工液供給装置により前記研磨対象面に電解液を供給しながら前記陽極部材と前記陰極部材との間に電圧を印加することにより、前記基板の外周縁部から流れ落ちて前記電極支持部の上面と前記陰極部材の内面とにより形成される凹部に流入した電解液を介して前記陽極部材と前記陰極部材とが電気的に接続され、前記研磨対象面に形成された金属膜が電解研磨されるように構成したことを特徴とする研磨装置。 - 前記陰極部材に係合する係合部材を有し、
前記係合部材が、前記基板チャックの回転に伴って前記陰極部材と相対摺動して前記陰極部材の表面を露出状態に保持するように構成したことを特徴とする請求項1に記載の研磨装置。 - 前記係合部材が前記陰極部材に係脱可能に設けられ、前記電解研磨を行う際に前記係合部材が前記陰極部材に係合されるように構成したことを特徴とする請求項2に記載の研磨装置。
- 前記陽極部材は、下端部が前記研磨面に近接した第1位置と、前記第1位置よりも上方に位置し下端部が前記研磨面から離隔した第2位置とに移動可能に設けられ、
前記加工液供給装置により前記研磨対象面に前記電解液を供給して電解研磨を行う際に前記陽極部材が前記第1位置に配設され、
前記加工液供給装置により前記研磨対象面にスラリーを供給して化学的機械研磨を行う際に前記陽極部材が前記第2位置に配設されるように構成したことを特徴とする請求項1から請求項3のいずれか一項に記載の研磨装置。
Priority Applications (1)
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---|---|---|---|
JP2008120113A JP5252271B2 (ja) | 2008-05-02 | 2008-05-02 | 研磨装置 |
Applications Claiming Priority (1)
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JP2008120113A JP5252271B2 (ja) | 2008-05-02 | 2008-05-02 | 研磨装置 |
Related Child Applications (1)
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JP2013088517A Division JP5590477B2 (ja) | 2013-04-19 | 2013-04-19 | 研磨装置 |
Publications (2)
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JP2009269109A JP2009269109A (ja) | 2009-11-19 |
JP5252271B2 true JP5252271B2 (ja) | 2013-07-31 |
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JP2008120113A Active JP5252271B2 (ja) | 2008-05-02 | 2008-05-02 | 研磨装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111584354B (zh) | 2014-04-18 | 2021-09-03 | 株式会社荏原制作所 | 蚀刻方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0740065U (ja) * | 1993-12-27 | 1995-07-18 | 東芝機械株式会社 | 電解複合研磨用工具 |
JP4644954B2 (ja) * | 2000-03-09 | 2011-03-09 | ソニー株式会社 | 研磨装置 |
WO2003090962A1 (en) * | 2002-04-23 | 2003-11-06 | Koninklijke Philips Electronics N.V. | A method, an apparatus,a control system and a computer program to perform an automatic removal of cathode depositions during a bi polar electrochemical machining |
JP2004209588A (ja) * | 2002-12-27 | 2004-07-29 | Ebara Corp | 研磨装置及び研磨方法 |
JP2004223665A (ja) * | 2003-01-24 | 2004-08-12 | Sony Corp | 電解研磨装置および研磨方法 |
JP2004273929A (ja) * | 2003-03-11 | 2004-09-30 | Matsushita Electric Ind Co Ltd | 電子デバイスの製造方法及び化学的機械研磨装置 |
JP2005317625A (ja) * | 2004-04-27 | 2005-11-10 | Tokyo Seimitsu Co Ltd | 化学的機械研磨装置及びウェーハ |
JP2007189196A (ja) * | 2005-12-14 | 2007-07-26 | Ebara Corp | 研磨パッド及び研磨装置 |
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- 2008-05-02 JP JP2008120113A patent/JP5252271B2/ja active Active
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