Method for extending cathode life in vidicon tubes

Details Method for extending cathode life in vidicon tubes Method for extending cathode life in vidicon tubes

1975-08-28

1977-04-19

Tupman, W.

316 12, 316 25, H01J 922

Patent

active

040184897

ABSTRACT:
By heating as many of the electrodes as possible in a vidicon tube during and after the cathode activation, the potentiality for gas contamination of the electrodes is greatly reduced and the life of the tube is extended.

REFERENCES:
patent: 2532315 (1950-12-01), Johnson
patent: 2870315 (1959-01-01), Lindsay
patent: 3728004 (1973-04-01), Waymouth

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