Device for radio frequency powered glow discharge spectrometry w

Details Device for radio frequency powered glow discharge spectrometry w Device for radio frequency powered glow discharge spectrometry w

1990-10-01

1992-02-04

Berman, Jack I.

Radiant energy

Ionic separation or analysis

With sample supply means

250281, 250282, 250423R, H01J 4904

Patent

active

050862260

ABSTRACT:
A method and apparatus for analyzing solid sample materials mounted externally to the apparatus is provided wherein a low pressure glow discharge is initiated by applying a radio frequency potential to an integral, continuous solid sample and an electrically grounded anode in the presence of an inert gas, the glow discharge being maintained such that the inert gas is ionized and the ionized gas sputters sample material, the sputtered sample material then passing into an analyzer region for analysis.

REFERENCES:
patent: 3588601 (1971-06-01), Yamasaki
patent: 3626234 (1971-12-01), Grimm
patent: 4128336 (1978-12-01), Butler
patent: 4853539 (1989-08-01), Hall et al.
patent: 4912324 (1990-03-01), Clark et al.
patent: 5006706 (1991-04-01), Marcus
Donohue et al., "Radiofrequency Cavity Ion Source in Solids Mass Spectrometry", Analytical Chemistry, vol. 47, No. 9, Aug. 1975, pp. 1528-1531.

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