发明名称 |
Short arc type discharge lamp |
摘要 |
A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode comprises a main part made from tungsten and a tip end part made from thoriated tungsten, wherein thorium oxide particles having been peripherally coated with thorium are contained in the tip end part of said cathode.
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申请公布号 |
US8525410(B2) |
申请公布日期 |
2013.09.03 |
申请号 |
US201113173074 |
申请日期 |
2011.06.30 |
申请人 |
IKEUCHI MITSURU;SHIMIZU AKIHIRO;ARIMOTO TOMOYOSHI;USHIO DENKI KABUSHIKI KAISHA |
发明人 |
IKEUCHI MITSURU;SHIMIZU AKIHIRO;ARIMOTO TOMOYOSHI |
分类号 |
H01J61/06 |
主分类号 |
H01J61/06 |
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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