发明名称 |
ELECTRODE FOR ULTRA-HIGH PRESSURE MERCURY LAMP AND ULTRA-HIGH PRESSURE MERCURY LAMP |
摘要 |
Disclosed is a tungsten electrode for ultra-high pressure mercury lamps comprising an electrode rod, a first coil wound around the front end side of the electrode, and a second coil wound around the electrode rod starting from the end of the first coil. The tungsten wire of the first coil is smaller in diameter than the tungsten wire of the second coil.
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申请公布号 |
US2011037385(A1) |
申请公布日期 |
2011.02.17 |
申请号 |
US20090989504 |
申请日期 |
2009.04.15 |
申请人 |
IWASAKI ELECTRIC CO., LTD. |
发明人 |
NISHIMURA JUNPEI;YOSHIZAWA TOSHIO |
分类号 |
H01J61/04;H01J1/00;H01R43/16 |
主分类号 |
H01J61/04 |
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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