Multi-arrayed micro-patch emitter with integral control grid

Details Multi-arrayed micro-patch emitter with integral control grid Multi-arrayed micro-patch emitter with integral control grid

1979-09-14

1981-03-03

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313348, 313107, 313250, 313302, 313304, 29 251, 29 2516, H01J 188, H01J 1942

Patent

active

042543576

ABSTRACT:
A multi-arrayed electron emitter for microwave tubes in which the emitting urface is an array of continually replenished low-work-function regions, (micro-patches), whose boundaries include a control grid which is integral with the cathode surface and which controls emission from the low-work-function micro-patches. The continually replenished low-work-function regions are uniformly positioned relative to a matrix of uniformly spaced openings through which the low-work-function material is released.

REFERENCES:
patent: 3154711 (1964-10-01), Beggs
patent: 3373307 (1968-03-01), Zalm et al.
patent: 3638062 (1972-01-01), Beggs
patent: 3694260 (1972-09-01), Beggs
patent: 3967150 (1976-06-01), Lien et al.
patent: 4096406 (1978-06-01), Miram et al.
patent: 4165473 (1979-08-01), Falce

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