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.
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
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