Dispenser cathode and process for preparing it

Electric lamp or space discharge component or device manufacturi – Process – Electrode making

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H01J 904

Patent

active

053184688

ABSTRACT:
A dispenser cathode with multilayer sintered body is suggested, wherein the layers have a thickness of between 0.01 and 10 mm and have different compositions.

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patent: 4982133 (1991-01-01), Choi

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