Discharge tube

Details Discharge tube Discharge tube

1991-12-20

1994-07-19

Horabik, Michael

Electric lamp and discharge devices

With gas or vapor

Having particular electrode structure

313124, 313349, 313625, 313324, H01J 6106

Patent

active

053312490

ABSTRACT:
A discharge tube of the type wherein a voltage is applied across a pair of electrodes to cause a discharge between the anode side electrode and the cathode side electrode. In the new discharge tube, opposing end portions of the pair of electrodes are formed into a non-acute configuration, and a large number of concave or convex portions are formed on a surface at least of the cathode side electrode. A stabilized high discharge voltage can be obtained from an initial stage of discharging with a comparatively small distance between the electrodes. Further, since the surface area of the electrodes is great, exhaustion of the electrodes are dispersed, and the electrodes are superior in durability. Further, since the distance between the electrodes is small, the discharge maintaining voltage is low and the energy loss is decreased.

REFERENCES:
patent: 3270232 (1966-08-01), Bailey, Jr. et al.
patent: 4475055 (1984-10-01), Boettcher
patent: 4493003 (1985-01-01), Mickelson et al.
H. L. Van Der Horst; Discharge Tubes--Phillips Technical Library 1964 pp. 155-156.

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