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    • 6. 发明申请
    • SUBSTRATE MOUNTING TABLE OF SUBSTRATE PROCESSING APPARATUS
    • 基板加工装置基板安装台
    • US20110116207A1
    • 2011-05-19
    • US12947214
    • 2010-11-16
    • Tetsuji SATOTakashi KitazawaAkihiro Yoshimura
    • Tetsuji SATOTakashi KitazawaAkihiro Yoshimura
    • H01L21/683
    • H01L21/6831
    • A substrate mounting table of a substrate processing apparatus includes a base portion and a circular plate-shaped electrostatic chuck adhered to an upper surface of the base portion by an adhesive layer. The electrostatic chuck has a circular attracting surface to support a substrate. The substrate mounting table further includes an annular focus ring arranged around the electrostatic chuck to surround the substrate and to cover an outer peripheral portion of the upper surface of the base portion. The electrostatic chuck has a two-layer structure including an upper circular part and a lower circular part having a diameter larger than that of the upper circular part. An outer peripheral portion of the lower circular part and an outer peripheral portion of the adhesive layer adhering the lower circular part to the base portion are covered with the focus ring.
    • 基板处理装置的基板安装台包括基部和通过粘合层粘附到基部的上表面的圆形板状静电卡盘。 静电吸盘具有支撑衬底的圆形吸引表面。 基板安装台还包括围绕静电卡盘布置以围绕基板并覆盖基部的上表面的外周部分的环形聚焦环。 静电卡盘具有包括上部圆形部分和直径大于上部圆形部分的直径的下部圆形部分的两层结构。 下部圆形部分的外围部分和将下部圆形部分粘附到基部的粘合剂层的外周部分被聚焦环覆盖。