Thermionic emission cathode

Details Thermionic emission cathode Thermionic emission cathode

1981-12-04

1984-11-13

Moore, David K.

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313346R, H01J 116, H01J 1910

Patent

active

044828381

ABSTRACT:
A thermionic emission cathode of a single crystal made of the calcium hexaboride type crystaline structure comprises a top surrounded by natural face inherent to the axial direction of the single crystal.

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