Method for making an indirectly-heated cathode assembly

Details Method for making an indirectly-heated cathode assembly Method for making an indirectly-heated cathode assembly

1978-08-24

1980-07-08

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29424, H01J 902, H01J 918

Patent

active

042109884

ABSTRACT:
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.

REFERENCES:
patent: 2413731 (1947-01-01), Samuel
patent: 3118080 (1964-01-01), Koppius
patent: 3379566 (1968-04-01), Hannan
patent: 3696498 (1972-10-01), Leontaritis
patent: 3822392 (1974-07-01), Bowes et al.

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