Apparatus for detecting negative ions

Details Apparatus for detecting negative ions Apparatus for detecting negative ions

1979-07-23

1983-12-27

Dixon, Harold

Radiant energy

Ionic separation or analysis

250294, 250300, 250423R, B01D 5944, H01J 2700

Patent

active

044233248

ABSTRACT:
A negative ion detector converts negative ions to positive ions by means of a conversion anode which is maintained at a relatively high positive voltage. The resultant positive ions are detected by a standard continuous dynode electron multiplier which has its detection signal output at ground potential.

REFERENCES:
patent: 2213140 (1940-08-01), Kallmann et al.
patent: 3136908 (1964-06-01), Weinman
patent: 3660655 (1972-05-01), Wardell
patent: 3898456 (1975-08-01), Dietz
patent: 4066894 (1978-01-01), Hunt
patent: 4267448 (1981-05-01), Feser et al.
Large Aperture Detector by Gibbs & Commins Rev. Sci. Inst. vol. 37, No. 10, Oct. 1966 pp.1385-1390.
Secondary Positive Ion . . . by Bradley Jour. Applied Physics vol. 30, No. 1 Jan. 1959, pp. 1-8.

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