Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Electron or ion source
Patent
1979-07-20
1982-03-02
La Roche, Eugene R.
Electric lamp and discharge devices: systems
Discharge device load with fluent material supply to the...
Electron or ion source
250423R, 31323101, 3133621, H01J 2702, H01J 2002
Patent
active
043180280
ABSTRACT:
An improved system for generating an ion beam comprises a nozzle through which a gas to be ionized is fed, and a ring electrode encircling the tip of the nozzle. High positive potential and negative potential are applied to the nozzle and ring electrode, respectively, to create a high intensity electric field. The gas atoms passing through the capillary nozzle are ionized, and the ions so created are accelerated in a direction forwardly from the nozzle by the field. The current level or "brightness" of the ion beam so generated may be controlled by varying the pressure of the gas supplied to the nozzle, or the electrical potential difference applied between the nozzle and ring electrode.
REFERENCES:
patent: 3233404 (1966-02-01), Huber et al.
patent: 3304719 (1967-02-01), Ducati
patent: 3579028 (1971-05-01), Paine
patent: 3903891 (1975-09-01), Brayshaw
Mahoney John F.
Perel Julius
Gardner Paul L.
La Roche Eugene R.
Phrasor Scientific, Inc.
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