| 摘要 |
<p>The invention relates to a metal halide lamp provided with a discharge vessel having a ceramic wall. The discharge vessel has two electrodes whose tips have an interspacing EA. The discharge vessel has an internal diameter Di over said distance EA. According to the invention, the discharge vessel has a filling which comprises NaJ and CeJ3 while at the same time the relation EA/Di > 5 is complied with.</p> |
