Radiant energy – Ion generation – Field ionization type
Patent
1975-03-19
1976-04-06
Church, Craig E.
Radiant energy
Ion generation
Field ionization type
250426, 313360, H01J 3734
Patent
active
039492303
ABSTRACT:
An ion beam source of the Penning type having an electrostatic tube lens, an ion-immersion lens and a conical screen.
REFERENCES:
patent: 2724056 (1955-11-01), Slepian
patent: 2733346 (1956-01-01), Oppenheimer
Church Craig E.
Jenear Glaswerk Schott & Gen.
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