Method of producing metallic microscale cold cathodes

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly

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445 50, 204221, H01J 902, H01J 130

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053890264

ABSTRACT:
Microscale cold cathodes include a metallic emitter tip with a very sharp end. The microscale cold cathodes are manufactured by forming a cone of metal on a substrate, oxidizing the surface of the cone, and removing the oxidized film from the cone surface to produce an emitter tip.

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