Make-alive electrode for an arc discharge device
United States Patent 3202862

Inventors:
Paley, James J.
Publication Date:
08/24/1965
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Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
313/171, 252/512
International Classes:
H01J13/06; H01J13/34; H01J13/00
US Patent References:
2917649Ignitron
2974040Process to produce void free refractory boride product