High pressure discharge lamp

Details High pressure discharge lamp High pressure discharge lamp

1980-05-29

1987-02-10

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

315 74, 315106, H01J 744, H01J 1734, H01J 1978, H01J 2996

Patent

active

046425209

ABSTRACT:
High-pressure discharge lamps generating UV radiation are provided with an internal safety switch, that interrupts the current circuit through the lamp upon fracture of the outer lamp envelope. In lamps according to the invention the safety switch is a member of a material selected from the group consisting of zirconium-aluminum alloys, sintered zirconium powder and sintered mixtures of zirconium powder and nickel powder.

REFERENCES:
patent: 3458756 (1969-07-01), Kotsch
patent: 4013919 (1977-03-01), Corbley
patent: 4195251 (1980-03-01), Bamberg
patent: 4208614 (1980-06-01), Strauss et al.
patent: 4233542 (1980-11-01), Oostvogels et al.
patent: 4305020 (1981-12-01), Nalepa

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