Double layer oxide cathode with reducing agent
United States Patent 3333141
US Patent References:
Thermionic cathodes and methods of making
- - 2945150
Oxide coated cathodes and method of manufacture
- - 2950993
Impregnated cathodes
- - 2995674
Amplifier tube having a thermionic cathode without heater
- - 3156844
Thermionic cathode
- - 3159461
Thermionic cathodes and methods of making
- - 2945150
Oxide coated cathodes and method of manufacture
- - 2950993
Impregnated cathodes
- - 2995674
Amplifier tube having a thermionic cathode without heater
- - 3156844
Thermionic cathode
- - 3159461
Inventors:
Henricus, Mulkens Casper Antoni
Pieter, Zalm
Pieter, Zalm
Publication Date:
07/25/1967
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Export Citation:
Assignee:
PHILIPS CORP
Primary Class:
Other Classes:
313/345
International Classes:
H01J1/142; H01J1/28; H01J1/13; H01J1/20
Foreign References:
| AU164984B |