| 摘要 |
<p>The invention relates to a high-pressure discharge lamp for use in the vertical position, having a tubular ceramic discharge vessel (1), the electrodes (2,3) being connected to current lead-through members (4,5) which have been provided one at each end of the discharge vessel, a first, upper current lead-through member (4) consisting of material which is resistant to attack by halogens and/or halides, for example molybdenum, and a second, lower current lead-through member (5) comprising a hydrogen-permeable material, for example niobium.</p> |
