Patent ID: 7550926

Claim:
A capped xenon metal halide discharge lamp for vehicles comprising: an arc tube, with said arc tube having walls, a gas tight outer envelope, with said outer envelope having walls, with said outer envelope disposed surrounding said arc tube, wherein said arc tube is made of pure quartz glass and filled with high pressure xenon, a Mercury (Hg) and metal halide pellet disposed in said arc tube, wherein said outer envelop is made of glass which prevents transmission of ultra violet (UV) light, wherein said arc tube and said outer envelope define a space therebetween, wherein said space is exhausted to form a vacuum, wherein said outer envelope comprises: a portion of said outer envelope disposed proximate to said arc tube and wherein said walls of said arc tube and said walls of said outer envelope are generally parallel, wherein said capped xenon metal halide discharge lamp further comprises: a cap, with said lamp attached to said cap, a plurality of poles formed on said cap, and a hoop having a plurality of holes with said holes matching said plurality of poles formed on said cap.