Thermionic cathode and process for preparing the same

Details Thermionic cathode and process for preparing the same Thermionic cathode and process for preparing the same

H - Electricity

01

J

313/187, 316/47

H01J 1/14 (2006.01)

Patent

CA 1173489

BFN 7164 Abstract A thermionic cathode is disclosed employing an alkaline earth metal hydroxyoxy carbonate as an emission material. Cathodes in accordance with the present invention are capable of operating in the range of 650°C to 800°C and can be formed by compressing a powdered mixture of the emission material and a metal.

399740

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