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发明名称
SEMICONDUCTOR DEVICE WITH MULTILAYER BASE CONTACT
摘要
申请公布号
US5068710(A)
申请公布日期
1991.11.26
申请号
US19890396687
申请日期
1989.08.22
申请人
HITACHI, LTD.
发明人
OWADA, NOBUO;HORIUCHI, MITSUAKI;TSUNEOKA, MASATOSHI;TANEOKA, TADAYUKI
分类号
H01L29/43;H01L21/02;H01L21/28;H01L21/285;H01L21/3205;H01L21/331;H01L29/45;H01L29/73;H01L29/732
主分类号
H01L29/43
代理机构
代理人
主权项
地址
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