| 发明名称 |
Short arc type discharge lamp |
| 摘要 |
A short arc type discharge lamp has a pair of electrodes, at least one of which has an electrode body and an axis part. A taper part is formed at a base side of the electrode body. Plural holes extending in an axis direction of the electrode in line are formed at the taper part.
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| 申请公布号 |
US7999475(B2) |
申请公布日期 |
2011.08.16 |
| 申请号 |
US20090591097 |
申请日期 |
2009.11.09 |
| 申请人 |
USHIO DENKI KABUSHIKI KAISHA |
发明人 |
ISHIKAWA HIROHISA;KUMADA TOYOHIKO;NAGAMACHI NOBUHIRO |
| 分类号 |
H01J17/04;H01J61/073 |
主分类号 |
H01J17/04 |
| 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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