Ion generating apparatus

Details Ion generating apparatus Ion generating apparatus

1981-03-19

1983-12-27

La Roche, Eugene R.

Electric lamp and discharge devices: systems

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

Electron or ion source

3133621, 31323141, 31511191, 250426, H01J 3300

Patent

active

044233558

ABSTRACT:
An ion generating apparatus comprises a cylindrical vacuum vessel within which an anode and cathodes are disposed. The anode is provided with an inner tubular hollow portion and the cathodes are located near both end openings of the anode. The apparatus further comprises means for applying a voltage between the anode and the cathodes, a magnetic field generator, means for supplying operating gas into the hollow portion of the anode, and an evacuating device. At least one of the cathodes is provided with a through hole at the central portion thereof. The apparatus further comprises a control electrode stretched in the hollow portion in parallel with but apart from the central axis of the hollow portion.

REFERENCES:
patent: 3949230 (1976-04-01), Bach
patent: 3955118 (1976-05-01), Flemming

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