摘要 |
PROBLEM TO BE SOLVED: To provide a sealed material conformed to a specific condition of an outer tube bulb in the metal halide sealed material for a metal halide discharge lamp that has an ionizable sealed material having containing at least one inert gas, mercury and a metal halogen compound in at least one halogen which includes Tl, Na and rare earths as a metal for a halogen compound. SOLUTION: In the metal halide lamp that has an ionizable sealed material containing at least one inert gas, mercury and a metal halogen compound in at least one halogen which includes Tl, Na and rare earths, the sealed material additionally includes a In halogen compound. COPYRIGHT: (C)2007,JPO&INPIT |