Method of reducing work function in carbon coated LaB6 cathodes

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United States of America Patent

PATENT NO 9790620
SERIAL NO

15400427

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Abstract

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A method to reduce the work function of a carbon-coated lanthanum hexaboride (LaB6) cathode wherein the exposed tip of the cathode is exposed to moisture between two heat treatments is provided. The work function may be reduced by 0.01 eV or more.

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Patent Owner(s)

Patent OwnerAddress
NUFLARE TECHNOLOGY INC8-1 SHINSUGITA-CHO ISOGO-KU YOKOHAMA-SHI KANAGAWA 235-8522
NUFLARE TECHNOLOGY AMERICA INC1294 HAMMERWOOD AVENUE SUNNYVALE CA 94089

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katsap, Victor Cornwall, US 28 129

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