Oxide cathode

Details Oxide cathode Oxide cathode

H - Electricity

01

J

313/187, 117/225

H01J 1/14 (2006.01) H01J 1/144 (2006.01) H01J 1/32 (2006.01) H01J 29/04 (2006.01)

Patent

CA 2015399

ABSTRACT; "Oxide cathode." The emission properties of oxide cathodes, in which yttrium oxide, scandium oxide or a rare earth oxide is added to the electron-emissive material, are improved by using fine-grained yttrium, scandium or rare earth instead of coarse-grained oxide.

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