双極型静電チャックの特性評価 Performance Evaluation of Bipolar Electrostatic Chucks

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The electrostatic chuck (ESC) is being applied to the wafer stages for various kinds of semiconductor-manufacturing machines. This is because the ESC can control the wafer temperature very precisely if helium backside gas is used at the same time. The basic components of the ESC are an electrode and a dielectric layer. The wafer is attracted to the dielectric layer by the coulomb force generated from the electric charge when DC voltage is applied betwween the electrode and wafer. However, a residual clamping force remains if a charge remains after DC votage release. Preventing this residual clamping force is a key to using the ESC because it degrades wafer throughput. We have examined how this clamping force degrades the performance of a bipolar ESC with electrically independent dual electrodes. The cause of the residual clamping force was studied on the basis of an equilibrium circuit of ESC.

収録刊行物

  • 真空  

    真空 42(9), 840-844, 1999-09-20 

    The Vacuum Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004568470
  • NII書誌ID(NCID)
    AN00119871
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05598516
  • NDL 記事登録ID
    4872314
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-474
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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