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公开(公告)号：US2923366A
公开(公告)日：1960-02-02
申请号：US27545252
申请日：1952-03-07
Applicant: CALIFORNIA RESEARCH CORP
Inventor： MEINERS EDWIN P , SCHURMAN GLENN A
IPC: G01V1/00
CPC classification number: G01V1/00
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公开(公告)号：US2787520A
公开(公告)日：1957-04-02
申请号：US27545152
申请日：1952-03-07
Applicant: CALIFORNIA RESEARCH CORP
Inventor： MEINERS EDWIN P , SCHURMAN GLENN A
IPC: H01L41/24
CPC classification number: H01L41/43 , H01L41/1871 , H01L41/257 , Y10T29/42
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