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公开(公告)号：US3341787A
公开(公告)日：1967-09-12
申请号：US24174362
申请日：1962-12-03
Applicant: TEXAS INSTRUMENTS INC
Inventor： BIARD JAMES R , WILLIAMS CHARLES S
IPC: H01S3/0933
CPC classification number: H01S3/0933
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2.发明授权Electronic method and apparatus utilizing photoemissive means for testing circuit board continuity 失效电子方法和设备利用光电装置测试电路板连续性
公开(公告)号：US3436651A
公开(公告)日：1969-04-01
申请号：US3436651D
申请日：1966-12-23
Applicant: TEXAS INSTRUMENTS INC
Inventor： HELMS JOHN D , WILLIAMS CHARLES S
IPC: G01R31/309 , G01R31/02
CPC classification number: G01R31/309
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