Title:
HOLLOW CATHODE DISCHARGE DEVICE WITH CONTROL ELECTRODE FOR ELECTRON BEAM FOCUSING
United States Patent 3518484
US Patent References:
Self-focusing electron beam apparatus
- - 3218431
Stabilization circuit for electron beam apparatus
- - 3223885
Perforated hollow cathode discharge device
- - 3262003
Nonthermionic hollow cathode electron beam apparatus
- - 3320475
Self-focusing electron beam apparatus
- - 3218431
Stabilization circuit for electron beam apparatus
- - 3223885
Perforated hollow cathode discharge device
- - 3262003
Nonthermionic hollow cathode electron beam apparatus
- - 3320475
Inventors:
Maskell, Clifford William Alfre
Publication Date:
06/30/1970
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Assignee:
ATOMIC ENERGY AUTHORITY UK
Primary Class:
Other Classes:
219/121.110
International Classes:
H01J17/06; H01J17/44; H01J37/077; H01J17/04; H01J17/38; H01J37/06; H01J17/26; H01J17/06; H01J7/24