Method and apparatus for generating highly dense uniform plasma

Details Method and apparatus for generating highly dense uniform plasma Method and apparatus for generating highly dense uniform plasma

1993-03-30

1994-09-06

Pascal, Robert J.

Electric lamp and discharge devices: systems

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

Plasma generating

31511121, 31511171, 31511181, 118723R, H01J 724

Patent

active

053451457

ABSTRACT:
A plasma generating method comprises: a first step of disposing a plurality of lateral electrodes at lateral sides of a plasma generating part in a vacuum chamber; a second step of respectively applying, to the lateral electrodes, high frequency electric powers of which frequencies are the same as one another and of which phases are different from one another, thereby to excite, in the plasma generating part, a high frequency rotating electric field to cause electrons under translational motions in the plasma generating part to present oscillating or rotating motions; and a third step of applying, to the plasma generating part, a magnetic field substantially at a right angle to the working plane of the high frequency rotating electric field, thereby to convert the translational movement of the electrons in the plasma generating part into revolving motions under oscillating or rotating motions by which the electrons revolve in the plasma generating part. The high frequency rotating electric field and the magnetic field cause the electrons in the plasma generating part to be confined therein.

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