High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

2007-11-20

2007-11-20

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

C313S638000, C313S571000, C313S572000

Reexamination Certificate

active

10840362

ABSTRACT:
A high-pressure discharge lamp has a lamp bulb of silica glass encapsulating mercury, an inactive gas, and a mixed halogen gas containing at least two halogen gases, and at least a pair of electrodes disposed in the lamp bulb in confronting relation to each other. The type and content of a primary halogen gas whose content is the greatest in the mixed halogen gas are determined based on a bulb wall load.

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