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发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH0297056(A)
申请公布日期
1990.04.09
申请号
JP19880249505
申请日期
1988.10.03
申请人
RICOH CO LTD
发明人
OKUBO HIDE;KOSAKA DAISUKE
分类号
H01L21/8247;H01L21/768;H01L27/00;H01L29/788;H01L29/792
主分类号
H01L21/8247
代理机构
代理人
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地址
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