Invention Grant
US3982261B1
失效
- Patent Title:
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Application No.: US49648774Application Date: 1974-08-12
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Publication No.: US3982261B1Publication Date: 1987-04-07
- Priority: US49648774 1974-08-12; US29145772 1972-09-22
- Main IPC: H01J1/34
- IPC: H01J1/34 ; H01J29/38 ; H01J31/50 ; H01L21/208 ; H01L29/205 ; H01L31/11 ; H01L33/00 ; H01S5/323
Public/Granted literature
- USB496487I5 Public/Granted day:1976-01-20
Information query
