| 摘要 |
<p>The invention relates to a metal-halide lamp comprising a discharge vessel (3) with a ceramic wall, the discharge vessel (3) enclosing a discharge space which contains an ionizable filling, which filling contains a quantity of halide of Na, Ca and Tl in addition to Hg. According to the invention, the ionizable filling comprises CaI2 in a molar quantity which lies between 20 and 50% of the total molar quantity of the halides. Preferably, the molar quantity of CaI2 lies between 25 and 35% of the total molar quantity of the halides.</p> |
