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    • 2. 发明申请
    • Electrochemical mechanical polishing apparatus conditioning method, and conditioning solution
    • 电化学机械抛光装置调理方法,调理溶液
    • US20080188162A1
    • 2008-08-07
    • US12068300
    • 2008-02-05
    • Itsuki KobataYasushi TomaAkira KoderaTsukuru SuzukiYuji MakitaTakayuki Saito
    • Itsuki KobataYasushi TomaAkira KoderaTsukuru SuzukiYuji MakitaTakayuki Saito
    • B24B49/00
    • B24B53/017B23H5/08B24B37/042B24B37/046B24B49/10H01L21/32125H01L21/7684
    • An electrochemical mechanical polishing apparatus is for use in polishing of a conductive material (e.g., metal) on a surface of a substrate by combination of electrochemical action and mechanical action. This apparatus includes a polishing table having divided electrodes and adapted to hold a polishing pad having a polishing surface, a polishing head adapted to hold a workpiece having a conductive film and to press the workpiece against the polishing surface, a second electrode for supplying an electric current to the conductive film, an electrolytic-solution supply section for supplying an electrolytic solution to the polishing surface, a detecting section adapted to detect a signal corresponding to a thickness of the conductive film, a variable resistance unit having the same number of variable resistors as the number of divided electrodes, a moving mechanism for providing relative movement between the workpiece and the polishing surface, and a control section adapted to control each of the variable resistors based on the signal from the detecting section.
    • 电化学机械抛光装置用于通过电化学作用和机械作用的组合在基底表面上抛光导电材料(例如金属)。 该装置包括具有分割电极并且适于保持具有抛光表面的抛光垫的抛光台,用于保持具有导电膜的工件并将工件压靠抛光表面的抛光头,用于提供电 电流至导电膜的电解液供应部分,用于向研磨表面供应电解液的电解溶液供应部分,用于检测对应于导电膜厚度的信号的检测部分,具有相同数目的可变电阻器的可变电阻单元 作为分割电极的数量,用于在工件和抛光表面之间提供相对移动的移动机构,以及适于基于来自检测部分的信号来控制每个可变电阻器的控制部分。