JP4741375B2 - 半導体ウェハの真空吸着用部材 - Google Patents
半導体ウェハの真空吸着用部材 Download PDFInfo
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- JP4741375B2 JP4741375B2 JP2006020953A JP2006020953A JP4741375B2 JP 4741375 B2 JP4741375 B2 JP 4741375B2 JP 2006020953 A JP2006020953 A JP 2006020953A JP 2006020953 A JP2006020953 A JP 2006020953A JP 4741375 B2 JP4741375 B2 JP 4741375B2
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- 239000011347 resin Substances 0.000 claims description 84
- 229920005989 resin Polymers 0.000 claims description 84
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 41
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 27
- 238000005498 polishing Methods 0.000 description 83
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 65
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- 230000007423 decrease Effects 0.000 description 4
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
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- 238000007088 Archimedes method Methods 0.000 description 2
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
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- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
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- Mechanical Treatment Of Semiconductor (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
が構成され、該多孔質セラミックスを構成する前記結晶粒子および前記珪素の周囲に、撥水性樹脂を被着形成してなるものである。
研磨によって真空吸着用部材2に発生する静電気を逃がすことができ、真空吸着用部材2に微細な研磨屑やゴミが静電付着し、開気孔6を目詰まりさせるおそれがない。このため、小さな直径の半導体ウェハを加工した後、この半導体ウェハよりも大きな直径の半導体ウェハを加工しても、半導体ウェハを真空吸着する力が全く弱まることがないので、大きな直径の半導体ウェハ厚みのばらつきをさらに低減することができる。したがって、多孔質セラミックスを構成する結晶粒子4は、主成分が炭化珪素からなることが重要である。
表1〜3の試料をそれぞれ複数個作製するため、まず、直径297mm、厚み7mmの形状の多孔質セラミックス(炭化珪素質多孔質体、アルミナ−ガラス複合体、炭化珪素−ガラス複合体、炭化珪素−珪素複合体)を次のように作製した。
実施例1で作製した表3の試料No.15で用いた炭化珪素−珪素複合体からなる多孔質セラミックスを同様に作製し、撥水性樹脂として、実施例1で用いたフッ素樹脂の代わりに、導電性高分子であるポリピロールを分散溶媒であるメチルエチルケトン(MEK)に分散させた溶液に多孔質セラミックスを含浸し、乾燥して本発明の試料(これを試料Cとする。)を作製し、試料Cを用いて、実施例1の条件でシリコンウェハを研磨した。その後、真空吸着装置に組み込まれた真空吸着用部材を洗浄、乾燥し、電気的にアースを取りながら、精密研磨用砥石を用いて、10分間精密研磨した。
4,54:結晶粒子
6,56:開気孔
8:撥水性樹脂
10:接合剤
12,62:支持部材
14a,14b,64a,64b,64:吸引孔
16a,16b,16,66a,66b,66:吸着面
20,70:真空吸着装置
Claims (1)
- 平均結晶粒径が150〜200μmの炭化珪素の結晶粒子同士が珪素を介して接合されて、20〜50体積%の気孔率を有する多孔質セラミックスが構成され、該多孔質セラミックスを構成する前記結晶粒子および前記珪素の周囲に、撥水性樹脂を被着形成してなることを特徴とする半導体ウェハの真空吸着用部材。
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JP2007201363A JP2007201363A (ja) | 2007-08-09 |
JP4741375B2 true JP4741375B2 (ja) | 2011-08-03 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4885165B2 (ja) * | 2008-03-13 | 2012-02-29 | 太平洋セメント株式会社 | 真空吸着装置 |
JP5463025B2 (ja) * | 2008-12-02 | 2014-04-09 | 株式会社タンケンシールセーコウ | 真空吸着パッドおよび真空吸着装置 |
JP2011041991A (ja) * | 2009-08-19 | 2011-03-03 | Disco Abrasive Syst Ltd | ウエーハの研削装置 |
EP2301905A1 (en) * | 2009-09-28 | 2011-03-30 | ABC Taiwan Electronics Corp. | Porous ceramic preparation method |
JP6360756B2 (ja) * | 2014-09-05 | 2018-07-18 | 株式会社ディスコ | チャックテーブル |
JP6402047B2 (ja) * | 2015-02-17 | 2018-10-10 | 株式会社東京精密 | ウエハの受け渡し装置及び方法 |
JP6464818B2 (ja) * | 2015-02-27 | 2019-02-06 | 株式会社東京精密 | ダイシング装置及びダイシング装置用のテーブル |
CN113614053A (zh) * | 2019-03-26 | 2021-11-05 | 松下知识产权经营株式会社 | 疏水构件以及使用了该疏水构件的建筑构件和用水场所构件 |
WO2020203680A1 (ja) * | 2019-03-29 | 2020-10-08 | 京セラ株式会社 | ガスプラグ、静電吸着用部材およびプラズマ処理装置 |
JP7555011B2 (ja) * | 2019-09-30 | 2024-09-24 | パナソニックIpマネジメント株式会社 | 複合部材 |
JP7515965B2 (ja) | 2020-02-17 | 2024-07-16 | 株式会社ディスコ | ポーラス板の製造方法、チャックテーブルの製造方法及び加工装置 |
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JPS624446A (ja) * | 1985-06-29 | 1987-01-10 | Ibiden Co Ltd | 触媒担体 |
JP2736020B2 (ja) * | 1994-12-13 | 1998-04-02 | シーケーディ株式会社 | 自己洗浄機能を有する真空チャック |
JP2005279788A (ja) * | 2004-03-26 | 2005-10-13 | Ibiden Co Ltd | 研削・研磨用真空チャック |
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