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公开(公告)号：US2725505A
公开(公告)日：1955-11-29
申请号：US39501653
申请日：1953-11-30
Applicant: RCA CORP
Inventor： WEBSTER JR WILLIAM M , WOOLSTON JOHN R
IPC: H01L23/16 , H01L23/467 , H01L23/473
CPC classification number: H01L23/473 , H01L23/16 , H01L23/467 , H01L24/00 , H01L2924/12036 , Y10S165/905 , H01L2924/00
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