Negative ion generator

Details Negative ion generator Negative ion generator

1982-02-11

1984-05-08

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

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

Electron or ion source

250423R, 250424, 313304, H01J 2702

Patent

active

044477619

ABSTRACT:
A negative ion generator is formed from a magnetically insulated transmission line having a coating of graphite on the cathode for producing negative ions and a plurality of apertures on the opposed anode for the release of negative ions. Magnetic insulation keeps electrons from flowing from the cathode to the anode. A transverse magnetic field removes electrons which do escape through the apertures from the trajectory of the negative ions.

REFERENCES:
patent: 4045677 (1977-08-01), Humphries, Jr. et al.
patent: 4298798 (1981-11-01), Huffman
Keller et al., "High-Current Low-Divergence Ion Beam from a Concave Multiple-Aperture Source Electrode," Sep. 1975, IBM Technical Disclosure Bulletin, vol. 18, No. 4, pp. 1057-1058.
"Negative Ion Losses in Magnetically Insulated Vacuum Gaps," Van Devender et al., Appl. Phys. Lett. 38 (4), Feb. 1981.
"Negative Ion Production in Magnetically Insulated Transmission Lines," Stinnett et al., Bull. Am. Phys. Soc., 26, 1099, Abstract 9E8, Oct. 1981.

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