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发明名称
摘要
申请公布号
JP2876846(B2)
申请公布日期
1999.03.31
申请号
JP19910240317
申请日期
1991.08.28
申请人
NIPPON DENKI KK
发明人
OOTSUKA AKIO
分类号
H01L21/52;H01L21/60;H01L23/28;H01L23/48;H01L23/50;(IPC1-7):H01L21/52
主分类号
H01L21/52
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代理人
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