Ceramic discharge vessel having tungsten alloy feedthrough

Ceramic envelope device for high-pressure discharge lamp

Ceramic envelope device for high-pressure discharge lamp

Ceramic envelope device for high-pressure discharge lamp

Ceramic envelope device for high-pressure discharge lamp

Ceramic envelope device for high-pressure discharge lamp

Ceramic envelope device for high-pressure discharge lamp, and me

Ceramic envelope device, lamp with such a device, and method of

Ceramic envelope for intensity discharge lamp

Ceramic feedthroughs for discharge lamps

Ceramic high intensity discharge lamp having uniquely shaped...

Ceramic lamp

Ceramic lamp end closure and inlead structure

Ceramic lamps and methods of making same

Ceramic metal halide discharge lamp with NaI/CeI.sub.3 filling

Ceramic metal halide lamp having medium aspect ratio

Ceramic seal for high pressure sodium vapor lamps

Cermet for lamp and ceramic discharge lamp

Cermet insert high voltage holdoff for ceramic/metal vacuum devi

Cold-cathode discharge lamp and lamp device having reduced...