Electron-bombardment ion source including segmented anode of ele

Details Electron-bombardment ion source including segmented anode of ele Electron-bombardment ion source including segmented anode of ele

1975-02-10

1976-07-13

Demeo, Palmer C.

Electric lamp and discharge devices

With positive or negative ion acceleration

60202, 313154, 313155, 313362, H01J 150, H05H 100

Patent

active

039696464

ABSTRACT:
An electron-bombardment ion source has a chamber into which an ionizable propellant is introduced. Electrons flowing from a cathode to an anode serve to ionize the propellant. The resulting ions are accelerated out of the chamber. To increase the efficiency of ionization of the propellant by the electrons, a magnetic field is established within the chamber. To that end, there are a plurality of successively-spaced segments of electrically-conductive magnetic material. The segments are interconnected so as, collectively, to serve as the anode. Individually adjacent ones of the segments are respectively polarized as magnetic opposites, the segments together serving to establish the magnetic field.

REFERENCES:
patent: 3238715 (1966-03-01), Reader et al.
patent: 3500122 (1970-03-01), Sohl
patent: 3613370 (1971-10-01), Paine

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