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公开(公告)号:US20050211379A1
公开(公告)日:2005-09-29
申请号:US10810619
申请日:2004-03-29
申请人: Hung-Wen Su , Ming-Hsing Tsai
发明人: Hung-Wen Su , Ming-Hsing Tsai
IPC分类号: B44C1/22
CPC分类号: H01L21/32134 , C23F1/08 , H01L21/67057
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。