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公开(公告)号：US3527989A
公开(公告)日：1970-09-08
申请号：US3527989D
申请日：1969-02-07
Applicant: IBM
Inventor： CUZNER DAVID E , MULHOLLAND PATRICK J
IPC: H01L23/467 , H01L25/03 , H05K7/20 , H05K1/04
CPC classification number: H01L23/467 , H01L25/03 , H01L2924/0002 , H01L2924/00
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