Glow discharge starter containing boron

Details Glow discharge starter containing boron Glow discharge starter containing boron

1988-04-14

1989-06-06

Moore, David K.

Electric lamp and discharge devices

With gas or vapor

Negative or cathode glow device

313558, 2521816, 420416, 337 22, H01J 1724, H01J 6164

Patent

active

048374830

ABSTRACT:
A glow discharge starter having an hermetically sealed envelope of vitreous material, a seal located at one end thereof and containing an ionizable medium. A pair of electrical conductors extend through the seal and terminate in a spaced relationship to form a pair of electrodes within the envelope. At least one of the electrodes has a bimetallic element secured thereto. A coating comprising lanthanum, nickel and boron is disposed on a surface within the envelope. Preferably, the coating comprises from about 2 percent to about 4 percent boron. The coating is effective in improving the aging efficiency and the temperature stability of the glow discharge starter.

REFERENCES:
patent: 1023208 (1912-04-01), Lesmuller
patent: 4646050 (1987-02-01), Kling et al.

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