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发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH02250381(A)
申请公布日期
1990.10.08
申请号
JP19890070627
申请日期
1989.03.24
申请人
HITACHI LTD
发明人
NAGAI AKIRA
分类号
H01L23/52;H01L21/3205;H01L39/06
主分类号
H01L23/52
代理机构
代理人
主权项
地址
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