Electric lamp or space discharge component or device manufacturi – Process – Electrode making
Patent
1998-03-24
1999-11-16
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
Electrode making
H01J 902
Patent
active
059847522
ABSTRACT:
An electron emission cathode includes: an n-type semiconductor film including diamond particles partially projecting from a surface of the n-type semiconductor film; and an anode opposing the n-type semiconductor film with a vacuum interposed therebetween. Electrons are emitted by applying a voltage between the anode and the n-type semiconductor film.
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Kotera Koichi
Tanaka Hiroyoshi
Uchida Masao
Matsushita Electric - Industrial Co., Ltd.
Ramsey Kenneth J.
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