Boride cathodes
United States Patent 2659685
US Patent References:
Electron tube cathode
- - 2438732

Coated anode for electron discharge devices
- - 2447973


Inventors:
Lafferty, James M.
Publication Date:
11/17/1953
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Assignee:
GEN ELECTRIC
Primary Class:
428/627
Other Classes:
148/316, 313/346R, 428/408, 427/77, 148/317
International Classes:
C25C7/02; H01J1/148; H01J17/06; C25C7/00; H01J1/13; H01J17/04