发明申请
- 专利标题： SHORT ARC TYPE DISCHARGE LAMP
- 专利标题（中）： 短弧型放电灯
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申请号： US13173098申请日： 2011-06-30
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公开(公告)号： US20120001542A1公开(公告)日： 2012-01-05
- 发明人: Mitsuru IKEUCHI , Akihiro SHIMIZU , Tomoyoshi ARIMOTO
- 申请人： Mitsuru IKEUCHI , Akihiro SHIMIZU , Tomoyoshi ARIMOTO
- 申请人地址： JP Tokyo
- 专利权人： USHIO DENKI KABUSHIKI KAISHA
- 当前专利权人： USHIO DENKI KABUSHIKI KAISHA
- 当前专利权人地址： JP Tokyo
- 优先权： JP2010-151813 20100702
- 主分类号： H01J61/04
- IPC分类号： H01J61/04
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 an emitter part made from thoriated tungsten, and said emitter part having been diffusion bonded to the main part via a joint face, wherein gaps are formed locally at said joint face of said main part and the emitter part.