发明名称 Under-bump metallization (UBM) structure and method of forming the same
摘要 An under-bump metallization (UBM) structure in a semiconductor device includes a copper layer, a nickel layer, and a Cu-Ni-Sn intermetallic compound (IMC) layer between the copper layer and the nickel layer.
申请公布号 US8581420(B2) 申请公布日期 2013.11.12
申请号 US201113009377 申请日期 2011.01.19
申请人 TSAI TSUNG-FU;KUO YIAN-LIANG;CHANG CHIH-HORNG;TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD. 发明人 TSAI TSUNG-FU;KUO YIAN-LIANG;CHANG CHIH-HORNG
分类号 H01L23/02 主分类号 H01L23/02
代理机构 代理人
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