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公开(公告)号:US2951321A
公开(公告)日:1960-09-06
申请号:US64480257
申请日:1957-03-08
Applicant: PHILIPS CORP
Inventor: SIDNEY SENNETT ROY
IPC: H01J5/24
CPC classification number: H01J5/24 , H01J2893/0039 , Y10S53/03 , Y10T29/49105
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公开(公告)号:US2873346A
公开(公告)日:1959-02-10
申请号:US64482057
申请日:1957-03-08
Applicant: PHILIPS CORP
Inventor: SIDNEY SENNETT ROY
IPC: H01L21/00
CPC classification number: H01L21/67126
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