Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1993-06-28
1995-02-14
Bradley, P. Austin
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 50, 204221, H01J 902, H01J 130
Patent
active
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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Betsui Keiichi
Fukuta Shin'ya
Bradley P. Austin
Fujitsu Limited
Knapp Jeffrey T.
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