发明名称 Electrolytic copper-stripping liquid and electrolytic stripping method
摘要 The present invention provides an electrolytic copper-stripping liquid free from a cyan compound, which comprises a copper compound or an aromatic nitro compound as a copper-oxidizing agent, and which has a pH of from 9 to 12. Also disclosed is an electrolytic stripping method using the electrolytic stripping liquid.
申请公布号 US2005126926(A1) 申请公布日期 2005.06.16
申请号 US20040971898 申请日期 2004.10.22
申请人 SHINKO ELECTRIC INDUSTRIES CO., LTD. 发明人 OGIHARA YOKO;NAKAZAWA MASAO
分类号 C25F3/14;C25F5/00;H01L23/50;(IPC1-7):C25F5/00 主分类号 C25F3/14
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