Cathode structure
United States Patent 2445993
US Patent References:
Heater construction for cathodes
- - 1797990
Oxide coated cathode for heavy duty service
- - 2032179
Vacuum tube and method of making the same
- - 2078892
Electron emitter
- - 2146365
Thermionic cathode assembly
- - 2244358
Heater construction for cathodes
- - 1797990
Oxide coated cathode for heavy duty service
- - 2032179
Vacuum tube and method of making the same
- - 2078892
Electron emitter
- - 2146365
Thermionic cathode assembly
- - 2244358
Inventors:
Beggs, James E.
Publication Date:
07/27/1948
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Export Citation:
Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
313/300, 313/265, 313/266, 174/50.550, 313/553, 313/310, 313/251, 313/233, 313/257, 417/51, 313/337, 313/262, 313/254, 313/270, 313/250, 313/263, 313/561, 174/50.580, 445/31
International Classes:
H01J1/20
US Patent References: