| 发明名称 |
Super-high pressure mercury lamp |
| 摘要 |
<p>A high pressure mercury lamp (10) for a projector device in which a discharge vessel (11) made of quartz glass is filled with at least 0.15mg/mm3 mercury in which both devitrification of as well as damage to the discharge vessel (11) can be eliminated is obtained by the quartz glass of the discharge vessel (11) being given a fictive temperature of 1000°C to 1250°C, a total content of alkali metals of 0.1ppm by weight to 3ppm by weight and an aluminum content of from 1ppm by weight to 30ppm by weight.
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| 申请公布号 |
EP1261018(A3) |
申请公布日期 |
2006.01.25 |
| 申请号 |
EP20020011182 |
申请日期 |
2002.05.21 |
| 申请人 |
USHIODENKI KABUSHIKI KAISHA |
发明人 |
FUKUSHIMA, KENSUKE;OKAMOTO, TETU |
| 分类号 |
H01J61/82;H01J61/20;H01J61/86;H01J61/30 |
主分类号 |
H01J61/82 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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