PARTICLE ACCELERATION HAVING LOW ELECTRON GAIN
United States Patent 3488509
Inventors:
Goodrich, George W.
Publication Date:
01/06/1970
Other Classes:
313/103CM, 313/103R, 313/106
International Classes:
H01J31/50; H01J43/24; H01J31/08; H01J43/00; H01J31/50; H01J39/12