Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent
1995-03-29
1996-08-13
Patel, Nimeshkumar D.
Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
313346DC, H01J 114
Patent
active
055459455
ABSTRACT:
A thermionic cathode having an overcoating of emissive material having a position including a mixture Aluminum Tungstate and Scandium Tungstate which react, when heated, to provide the cathode with enhanced electron emissions.
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Branovich Louis E.
Eckart Donald W.
Fischer Paul
Anderson William H.
DiGiorgio James A.
Patel Nimeshkumar D.
The United States of America as represented by the Secretary of
Zelenka Michael
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