Charged particle control device

Details Charged particle control device Charged particle control device

1989-08-22

1991-07-09

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

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

Plasma generating

31511121, 31511141, 31511181, 31323131, 250423R, H05H 124

Patent

active

050308858

ABSTRACT:
A plasma source of charged particles includes a particle extraction control device consisting of an electrode having an exit hole in it and a planar solenoid arranged to produce, when energized, a magnetic field across the exit hole in the electrode, the magnitude of the magnetic field and potentials applied to extraction electrodes being variable so as to enable different charged particles to be emitted by the source.

REFERENCES:
patent: 3619684 (1971-11-01), Andrew et al.
patent: 3955091 (1976-05-01), Robinson et al.
patent: 4149055 (1979-04-01), Seliger et al.
patent: 4531077 (1985-07-01), Dagenhart
patent: 4760262 (1988-07-01), Sampayan et al.
patent: 4841197 (1989-06-01), Takayama et al.
patent: 4857809 (1989-08-01), Torii et al.

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