发明名称 Electropolishing apparatus and polishing method
摘要 Disclosed herein is an electropolishing apparatus including a polishing surface plate including a cathode and disposed turnably, a polishing pad disposed on the polishing surface plate, to be impregnated with an electropolishing liquid, and showing electric conduction from the face side to the back side thereof in the state of being impregnated with the electropolishing liquid, a substrate holding unit for holding a work substrate with a work surface of the work substrate opposed to a polishing surface of the polishing pad, the substrate holding unit turnably disposed at a position opposed to the polishing pad, an anode brought into contact with the work surface of the work substrate held by the substrate holding unit, a chemical liquid supply unit for supplying a chemical liquid used for polishing onto the polishing pad, and a power source for supplying electric power between the cathode and the anode.
申请公布号 US2004149592(A1) 申请公布日期 2004.08.05
申请号 US20040762691 申请日期 2004.01.22
申请人 SONY CORPORATION 发明人 KOMAI NAOKI;YASUDA ZENYA;SATO SHUZO
分类号 B23H5/08;B23H5/06;B24B57/02;C25F3/16;C25F7/00;H01L21/304;(IPC1-7):B23H3/00 主分类号 B23H5/08
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