Contact ionization apparatus

Details Contact ionization apparatus Contact ionization apparatus

1979-02-08

1981-01-20

Dixon, Harold A.

Radiant energy

Ion generation

Field ionization type

250424, 250426, 313351, H01J 2700

Patent

active

042464811

ABSTRACT:
An arrangement wherein atoms are ionized by contact with a heated ionizing surface and the ions are accelerated along an acceleration path towards an acceleration electrode, and wherein, in order to achieve high current densities, the heated surface is convexly curved towards the acceleration electrode and has a radius of curvature which is substantially smaller than the length of the acceleration path.

REFERENCES:
patent: 2809314 (1957-10-01), Herb
patent: 3336475 (1967-08-01), Kilpatrick
patent: 3355615 (1967-11-01), Le Bihan et al.
patent: 4088919 (1978-05-01), Clampitt
"Electrohydrodynamic Ion Source", by John F. Mahoney et al., Journal of Aied Physics, vol. 40, No. 13, 12/69, pp. 5101-5105.

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