High-pressure mercury vapor discharge lamp with a space

Details High-pressure mercury vapor discharge lamp with a space High-pressure mercury vapor discharge lamp with a space

2007-11-06

2007-11-06

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

C313S573000

Reexamination Certificate

active

10547593

ABSTRACT:
A high-pressure mercury vapor discharge lamp has an envelope which contains two electrodes made from tungsten and a filling in a discharge space. The filling essentially consists of mercury, rare gas, and a halogen that is free in the operating condition. The envelope further has a second space.

REFERENCES:
patent: 38 13421 (1989-11-01), None
patent: 3813421 (1989-11-01), None
patent: 1107284 (2001-06-01), None
patent: 07240184 (1995-09-01), None

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