发明名称 Method for forming bumps using dummy wafer
摘要 A method for forming bumps including the steps of forming bumps on a dummy wafer. The dummy wafer is diced into dummy chips and the bumps formed on the dummy chips are inspected. Thus only good bumps are transferred to a real chip on which circuit patterns are formed.
申请公布号 US6057168(A) 申请公布日期 2000.05.02
申请号 US19990237897 申请日期 1999.01.27
申请人 FUJITSU LIMITED 发明人 SEYAMA, KIYOTAKA;OTA, HIDEKI;USUI, YASUHIRO;SATOH, KAZUAKI
分类号 H01L21/60;(IPC1-7):H01L21/44 主分类号 H01L21/60
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