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US08329584B2 Method of manufacturing semiconductor device 有权
制造半导体器件的方法

Method of manufacturing semiconductor device
摘要:
A post-CMP cleaning process of a copper layer is to be performed as follows. An alkaline aqueous solution, a polycarboxylic acid, BTA, and an alkaline aqueous solution are sequentially brought into contact with a primary surface of a silicon substrate over which the copper layer is provided.
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