High-pressure mercury vapor discharge lamp

Details High-pressure mercury vapor discharge lamp High-pressure mercury vapor discharge lamp

1989-04-17

1992-04-28

DeMeo, Palmer C.

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

313639, H01J 6120, H01J 6184

Patent

active

051091810

ABSTRACT:
A high-pressure mercury vapor discharge lamp whose envelope two tungsten electrodes disposed therein of tungsten and a filling containing a rare gas, a quantity of mercury larger than 0.2 mg/mm.sup.3 at a mercury a pour pressure of more than 200 bar and at least one of the halogens chlorine, bromine or iodine in a quantity between 10.sup.-6 and 10.sup.-4 .mu.mol/mm.sup.3. The wall load in operation is higher than 1 W/mm.sup.2.

REFERENCES:
patent: 3382396 (1968-05-01), Holmes et al.
patent: 4594529 (1986-06-01), De Vrijer

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