| 发明名称 |
HIGH-PRESSURE SODIUM VAPOUR DISCHARGE LAMP WITH MERCURY AND XENON |
| 摘要 |
<p>The invention relates to a high-pressure sodium vapour discharge lamp provided with a discharge tube containing mercury and xenon as well as sodium. The sodium vapour pressure - in the operating condition of the lamp is within a given range. In accordance with the invention a xenon filling pressure is used which is between 50 and 1000 torr. As a result a lamp can be obtained which haa high luminous efficacy in the operating condition.</p> |
| 申请公布号 |
CA1111892(A) |
申请公布日期 |
1981.11.03 |
| 申请号 |
CA19780300592 |
申请日期 |
1978.04.06 |
| 申请人 |
N.V. PHILIPS'GLOEILAMPENFABRIEKEN |
发明人 |
JACOBS, CORNELIS A.J.;BRUGMANS, MARINUS F. |
| 分类号 |
H01J61/22;H01J61/88;(IPC1-7):01J11/02 |
主分类号 |
H01J61/22 |
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