发明名称 |
Method for making an indirectly-heated cathode assembly |
摘要 |
In a method for making an indirectly-heated cathode assembly, the steps of spacing the heater from the cathode substrate with a temporary volatilizable spacer, fixing the positions of the heater and cathode with respect to one another with the spacer therebetween, and then volatilizing the spacer.
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申请公布号 |
US4210988(A) |
申请公布日期 |
1980.07.08 |
申请号 |
US19780936529 |
申请日期 |
1978.08.24 |
申请人 |
RCA CORP |
发明人 |
TURNBULL, JOHN C;YODER, BENJAMIN F |
分类号 |
H01J9/04;H01J29/04;(IPC1-7):H01J9/02;H01J9/18 |
主分类号 |
H01J9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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