Rapid heating dispenser cathode in a holder and method of manufa

Details Rapid heating dispenser cathode in a holder and method of manufa Rapid heating dispenser cathode in a holder and method of manufa

1978-11-16

1980-08-05

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

29 2515, 29515, H01J 912

Patent

active

042154570

ABSTRACT:
By embedding the impregnated and sintered molding of a dispenser cathode in a holder of metal foil of 10 .mu.m to 100 .mu.m thick, such that any gap between the molding and the holder is less than 10 .mu.m a dispenser cathode can be obtained having a long life and/or quick heating properties.

REFERENCES:
patent: 3041717 (1962-07-01), Brown
patent: 3169302 (1965-02-01), Tethal
patent: 3467879 (1969-09-01), Blatter

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