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发明名称
MANUFACTURE OF ACTIVE BASE OF BIPOLAR TRANSISTOR
摘要
申请公布号
JPH0319347(A)
申请公布日期
1991.01.28
申请号
JP19900128965
申请日期
1990.05.18
申请人
SIEMENS AG
发明人
ENMERITSUHI BERUTAGUNORI
分类号
H01L29/73;H01L21/22;H01L21/223;H01L21/268;H01L21/331;H01L29/732
主分类号
H01L29/73
代理机构
代理人
主权项
地址
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