Miniature cyclotron resonance ion source using small permanent m

Details Miniature cyclotron resonance ion source using small permanent m Miniature cyclotron resonance ion source using small permanent m

1978-09-11

1980-06-03

Demeo, Palmer C.

Electric lamp and discharge devices

With positive or negative ion acceleration

Supplying ionizable material

250427, 313156, 313363, H01J 150, H01J 2700, H05H 100

Patent

active

042063833

ABSTRACT:
An ion source using the cyclotron resonance principle is provided using a miniaturized ion source device in an air gap of a small permanent magnet with a substantially uniform field in the air gap of about 0.5 inch. The device and permanent magnet are placed in an enclosure which is maintained at a high vacuum (typically 10.sup.-7 torr) into which a sample gas can be introduced. The ion-beam end of the device is placed very close to an aperture through which an ion beam can exit into apparatus for an experiment.

REFERENCES:
patent: 2499320 (1950-02-01), Loevinger
patent: 2627034 (1953-01-01), Washburn et al.
patent: 2743370 (1956-04-01), McLaren et al.
patent: 3281617 (1966-10-01), Wood
patent: 3283193 (1966-11-01), Ellison
patent: 3502863 (1970-03-01), Tsuyama et al.
patent: 3924134 (1975-12-01), Uman et al.

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