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公开(公告)号:US2897419A
公开(公告)日:1959-07-28
申请号:US64320957
申请日:1957-03-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: HOWLAND FRANK L , WEST JOHN W
IPC: H01L23/051 , H01L23/48
CPC classification number: H01L23/051 , H01L24/72 , H01L2924/01005 , H01L2924/01006 , H01L2924/01013 , H01L2924/01015 , H01L2924/01018 , H01L2924/01019 , H01L2924/01023 , H01L2924/01027 , H01L2924/01029 , H01L2924/01033 , H01L2924/01047 , H01L2924/01067 , H01L2924/01068 , H01L2924/01074 , H01L2924/01078 , H01L2924/01079 , H01L2924/01322 , H01L2924/12036 , Y10T29/49142 , H01L2924/00