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发明名称
FORMATION OF CONTACT HOLE
摘要
申请公布号
JPH01117342(A)
申请公布日期
1989.05.10
申请号
JP19870275040
申请日期
1987.10.30
申请人
OKI ELECTRIC IND CO LTD
发明人
HOUGEN HIROSHI
分类号
H01L21/3205;H01L21/28;H01L21/302;H01L21/3065
主分类号
H01L21/3205
代理机构
代理人
主权项
地址
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