METHOD FOR COATING EMISSIVE CATHODE Russian patent published in 2001 - IPC

Abstract RU 2177657 C1

FIELD: electronic engineering. SUBSTANCE: proposed method involves impregnation of cathode base made of porous carbon material with alkali-earth metal solution the latter being, essentially, aqueous solution of halide (bromide, iodide, or barium chloride), this procedure being followed by its heat treatment in vacuum at decomposition temperature of respective halide until the latter is fully removed. EFFECT: reduced electron emission work. 4 cl, 1 dwg, 6 ex

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RU 2 177 657 C1

Authors

Baturin A.S.

Borisov A.G.

Korsakov V.S.

Plavich L.A.

Tishin Ju.I.

Sheshin E.P.

Dates

2001-12-27—Published

2001-01-22—Filed