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公开(公告)号：US3509429A
公开(公告)日：1970-04-28
申请号：US3509429D
申请日：1968-01-15
Applicant: IBM
Inventor： CRAIG RAYMOND M , CROWE JAMES W , WILKIE EARL L
CPC classification number: H01L23/36 , H01L2924/0002 , H01L2924/00
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