Restorable cold cathode in a gas discharge electron gun

Details Restorable cold cathode in a gas discharge electron gun Restorable cold cathode in a gas discharge electron gun

1975-05-08

1977-10-04

Demeo, Palmer C.

Electric lamp and discharge devices

With movable electrode or shield

219121EB, 313217, 313237, 3151118, H01J 302, H01J 724, H01J 1706

Patent

active

040526330

ABSTRACT:
Restorable cold cathode in a gas discharge electron ion gun in which the eroded material in the active surface of the cathode is restored by supplying new material in the form of a wire which is moved through a hole in the cathode body by means of a screw spindle.

REFERENCES:
patent: 2892118 (1959-06-01), Gretener
patent: 3393339 (1968-07-01), Hill et al.
patent: 3418510 (1968-12-01), Melhart
patent: 3486064 (1969-12-01), Stauffer
patent: 3678334 (1972-07-01), Dugdale et al.
patent: 3891824 (1975-06-01), Essers

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