ELECTRON EMISSION SOURCE WITH SHARPLY DEFINED EMITTING AREA
United States Patent 3436584
US Patent References:
Thermionic cathodes
- - 3013171
Solar simulation apparatus
- - 3270239
Rhenium supported metallic boride cathode emitters
- - 3312856
Thermionic cathodes
- - 3013171
Solar simulation apparatus
- - 3270239
Rhenium supported metallic boride cathode emitters
- - 3312856
Inventors:
Hughes, William C.
Peroutky, Donald C.
Peroutky, Donald C.
Publication Date:
04/01/1969
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Export Citation:
Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
313/311, 313/345, 313/336
International Classes:
H01J37/065; H01J37/06; H01J19/06; H01J19/10
Foreign References:
| DE1186953B |