Metal halide lamp and automotive headlamp apparatus

Details Metal halide lamp and automotive headlamp apparatus Metal halide lamp and automotive headlamp apparatus

2006-11-28

2006-11-28

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

C313S025000, C313S640000, C313S643000

Reexamination Certificate

active

07141932

ABSTRACT:
A metal halide lamp includes a fire-resistant and translucent hermetic vessel containing amounts of scandium halide and sodium halide sealed in the hermetic vessel satisfying the formula of 0.25<a/(a+b)<0.5, where reference character “a” denotes the mass of scandium halide and reference character “b” denotes the mass of sodium halide.

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