Ion source with closed electron drift

Details Ion source with closed electron drift Ion source with closed electron drift

1996-12-26

1999-08-31

Lee, Benny T.

Electric lamp and discharge devices: systems

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

Electron or ion source

31511191, 60202, 3133621, H01J 3708, F03H 500

Patent

active

059457813

ABSTRACT:
A closed electron drift ion source comprising a main annular channel for ionization and acceleration that is open at its downstream end, and that has at least an inside wall constituted by a material that is electrically conductive. Terminal parts taken to a potential that is lower than that of an anode extend the downstream end of the annular channel. The ion source also includes a hollow cathode, ionizable gas feed means associated with the cathode, and with the anode, anode bias means, and means for creating a magnetic field in the main annular channel. The invention is particularly applicable to industrial treatment methods.

REFERENCES:
patent: 3735591 (1973-05-01), Burkhart
patent: 5475354 (1995-12-01), Valentian et al.
patent: 5763989 (1998-06-01), Kaufman
The Culham Study Group: "Neutral Injection Heating of Toroidal Reactors", 71, Culham Laboratory, Abingdon Berkshire XP002013816.
"Theory of Ion Acceleration with Closed Electron Drift", H. Kaufmann, Journal of Spacecraft and Rockets, vol. 21, Nov.-Dec. 21, 1984, No. 6, New York, pp. 558-562, XP002013815.

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