Dispenser cathode units of electron guns with low voltage control rod for high power O-type electron vacuum devices

S S Drozdov,O Yu Maslennikov, A A Luchin, A B Ushakov,O V Ivanov

international vacuum electronics conference（2002）

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摘要

A series of electron guns with low voltage control rod and containing Os-coated dispenser cathodes are used in high power TWT. These guns show high reliability as well as lifetime. Basic scheme of designing and producing of both the electron guns and the cathode units has been developed.

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关键词

cathodes,os,temperature control,electron gun,testing,current density,low voltage,anodes,electron emission

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