Linear aperture pseudospark switch

Details Linear aperture pseudospark switch Linear aperture pseudospark switch

1997-07-09

2000-08-15

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313538, H01J 4014

Patent

active

061040223

ABSTRACT:
The present invention is of a glow discharge switch operating in the low pressure regime where gas breakdown is limited by the distance between electron-gas particle collisions (pseudospark discharge). The invention utilizes linear discharge apertures (length greater than width) in the electrodes. The linear apertures provide significantly higher current conduction without discharge constriction than conventional round-hole pseudospark switches. A radial version of the linear pseudospark switch also is disclosed that provides for self-canceling of the magnetic fields induced by the discharge, and thus prevents discharge constriction and provides for very high current conduction.

REFERENCES:
patent: 2821637 (1958-01-01), Roberts et al.
patent: 3183390 (1965-05-01), Grader et al.
patent: 4335465 (1982-06-01), Christiansen et al.
patent: 5091819 (1992-02-01), Christiansen et al.
patent: 5126638 (1992-06-01), Dethlefsen
patent: 5146141 (1992-09-01), Rohde
patent: 5399941 (1995-03-01), Grothaus
patent: 5502356 (1996-03-01), McGeoch

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