Low starting voltage short-arc discharge lamp

Details Low starting voltage short-arc discharge lamp Low starting voltage short-arc discharge lamp

1987-10-22

1989-02-14

Moore, David K.

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313631, H01J 6154, H01J 6106

Patent

active

048048887

ABSTRACT:
A short-arc discharge lamp includes a combination of electrodes arranged in an opposing relation in a discharge space surrounded by silica glass. An expansion and contraction member made of a shape-memory alloy, which contracts at high temperatures, is fixed on one of the electrodes. A lighting start-up discharge terminal is formed at a free end of the expansion and contraction member. A free end of the lighting start-up discharge terminal is in contact with the other electrode at room temperature but is separated from the other electrode at high temperatures.

REFERENCES:
patent: 3488546 (1970-01-01), Paquette

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