发明名称 |
Electrode for discharge tube, and discharge tube using it |
摘要 |
A discharge tube is comprised of a glass bulb, a cathode, and an anode. Impregnating porous tungsten with barium makes the cathode tip portion. A clearance between the end face of a lead rod and the end face of the cathode tip portion is filled with a molybdenum-ruthenium brazing filler metal.
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申请公布号 |
US6664733(B2) |
申请公布日期 |
2003.12.16 |
申请号 |
US20010912384 |
申请日期 |
2001.07.26 |
申请人 |
HAMAMATSU PHOTONICS K.K. |
发明人 |
HARADA NOBUHARU;ISHIHARA SYOJI |
分类号 |
H01J61/06;H01J9/02;H01J17/06;H01J61/073;(IPC1-7):H01J17/04 |
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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