Glow discharge tube for spectral-analytical tests

Details Glow discharge tube for spectral-analytical tests Glow discharge tube for spectral-analytical tests

1983-06-03

1985-06-18

Moore, David K.

Electric lamp and discharge devices: systems

Discharge device load with fluent material supply to the...

Electron or ion source

315110, 313619, H01J 724

Patent

active

045243034

ABSTRACT:
A glow discharge tube for emission spectral analysis is disclosed. The tube includes an anode cavity which is connected on one side to a carrier gas source and is connected on the other side to a first vacuum pump. The anode cavity is in communication, by way of a restrictor, with a cathode cavity which is connected to a second vacuum pump. The second pump produces a vacuum that is greater than that produced by the first pump. To reduce the margin of error in the accuracy of spectral-analytical tests, the gas pressure in the main cavity is maintained at a constant value by an electronic control which regulates the amount of carrier gas being fed to the anode cavity.

REFERENCES:
patent: 3566304 (1971-02-01), Neusel et al.
M. G. Zakharchenko et al., A Stabilisation Unit for a Cold Cathode Glow Discharge Electron-Beam Gun, 12/75, p. 56, Automatic Weld., (GB) vol. 28 #12.

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