Glow discharge starter containing radioactive alloy

Electric lamp and discharge devices – With radioactive material

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Details

313619, 337 22, 337 27, H01J 6508, H01H 6100

Patent

active

047615834

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 at least one radioactive dopant is disposed on a surface within the envelope. The coating is sufficient to reduce the dark effect by improving the dark starting of the glow discharge starter.

REFERENCES:
patent: 2324907 (1941-07-01), Clack
patent: 2824985 (1953-12-01), Foulke
patent: 4646049 (1987-02-01), Kling et al.
patent: 4646050 (1987-02-01), Kling et al.

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