Method of cold cathode replenishment in electron beam apparatus

Details Method of cold cathode replenishment in electron beam apparatus Method of cold cathode replenishment in electron beam apparatus

1982-09-29

1985-01-29

Moore, David K.

Electric lamp and discharge devices: systems

Discharge device load

Movable electrode discharge device

313146, 313147, 314 37, H01J 37067, H01J 130

Patent

active

044968817

ABSTRACT:
This disclosure is concerned with automatically replenishable cold cathode structures and the like wherein the monitoring of a predetermined variation in electron beam performance caused by erosion of the cathode material generates control signals for advancing reserve cathode material into operative position.

REFERENCES:
patent: 2122829 (1938-07-01), Wildenthaler
patent: 2133407 (1938-10-01), Stone
patent: 4052633 (1977-10-01), Schoenmakers
patent: 4305000 (1981-12-01), Cheever
patent: 4340845 (1982-07-01), Hildebrand et al.
patent: 4388560 (1983-06-01), Robinson et al.

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