Metal vapor discharge lamp with heat insulator and starting aid

Details Metal vapor discharge lamp with heat insulator and starting aid Metal vapor discharge lamp with heat insulator and starting aid

1980-10-02

1983-11-29

Demeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

313594, 313634, 313642, H01J 6130, H01J 6120, H01J 6154

Patent

active

044183003

ABSTRACT:
A metal vapor discharge lamp including an arc tube including an outer bulb and having at least an oxide crystal incorporated in the outer bulb, with a starting aid equipped on the outer circumference of said arc tube; at least one end of said arc tube having a heat insulator to keep the end warm, and a rare gas enclosed at 100 Torr or above together with at least sodium and mercury in said arc tube.

REFERENCES:
patent: 3248590 (1966-04-01), Schmidt
patent: 3900753 (1975-08-01), Richardson
patent: 4039880 (1977-08-01), Beijer et al.
patent: 4146813 (1979-03-01), van Vliet
patent: 4253037 (1981-02-01), Driessen et al.
patent: 4314175 (1982-02-01), Jacobs et al.

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