High-pressure mercury discharge lamp

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

2011-07-05

2011-07-05

Patel, Ashok (Department: 2889)

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

C313S632000

Reexamination Certificate

active

07973476

ABSTRACT:
The invention relates to a high-pressure mercury discharge lamp for DC operation at a nominal wattage of more than 1.5 kW. Said high-pressure mercury discharge lamp comprises an anode, at least some areas of which are made of a material containing at least some tungsten, said material having a grain number of more than 200 grains per mm2and a density of more than 19.05 g/cm3.

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