Apparatus and method for removing metal from wafer edge
    61.
    发明申请
    Apparatus and method for removing metal from wafer edge 审中-公开
    从晶片边缘去除金属的装置和方法

    公开(公告)号:US20050211379A1

    公开(公告)日:2005-09-29

    申请号:US10810619

    申请日:2004-03-29

    IPC分类号: B44C1/22

    摘要: Apparatus and method for removing copper from wafer edge. The apparatus of the invention includes a bath tank for containing a chemical bath, a rotatable wafer chuck for holding a wafer vertical to the chemical bath, wherein at least the edge of the wafer is covered with a metal layer, and a sliding element is disposed on one end of the rotatable wafer chuck such that the rotatable wafer chuck can move in a vertical direction to the chemical bath.

    摘要翻译: 从晶片边缘去除铜的装置和方法。 本发明的装置包括用于容纳化学浴液的浴槽,用于将晶片垂直于化学浴保持的可旋转晶片卡盘,其中晶片的至少边缘被金属层覆盖,并且设置滑动元件 在可旋转的晶片卡盘的一端上,使得可旋转的晶片卡盘可以在垂直方向上移动到化学浴槽。