发明授权
US07116050B2 Metal halide lamp, headlight apparatus for vehicle using the same, and method of manufacturing metal halide lamp
失效
金属卤化物灯，使用其的车辆前照灯装置以及金属卤化物灯的制造方法
- 专利标题： Metal halide lamp, headlight apparatus for vehicle using the same, and method of manufacturing metal halide lamp
- 专利标题（中）： 金属卤化物灯，使用其的车辆前照灯装置以及金属卤化物灯的制造方法
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申请号： US10700399申请日： 2003-11-03
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公开(公告)号： US07116050B2公开(公告)日： 2006-10-03
- 发明人: Nobuhiro Tamura , Seiko Kawashima , Takuya Honma , Hiromichi Kawashima , Hiroyuki Kato , Makoto Deguchi
- 申请人： Nobuhiro Tamura , Seiko Kawashima , Takuya Honma , Hiromichi Kawashima , Hiroyuki Kato , Makoto Deguchi
- 申请人地址： JP Imabari JP Tokyo
- 专利权人： Harison Toshiba Lighting Corp.,Toshiba Lighting & Technology Corporation
- 当前专利权人： Harison Toshiba Lighting Corp.,Toshiba Lighting & Technology Corporation
- 当前专利权人地址： JP Imabari JP Tokyo
- 代理机构： Cooper & Dunham LLP
- 代理商 John P. White, Esq.
- 主分类号： H01J17/20
- IPC分类号： H01J17/20 ; H01J61/12
摘要：
A metal halide lamp comprises a discharge container including a discharge space and a pair of sealing sections. A discharge medium containing a metal halide and a rare gas and essentially free from mercury is sealed in the discharge container. A pair of electrodes are arranged to face each other within the discharge space, and the side edge portions on the side of the proximal end portion of these electrodes are held by the sealing sections. The amount of water contained in the metal halide, i.e., the light-emitting material, included in the metal halide lamp essentially free from mercury, i.e., Hg-less metal halide lamp, is controlled to 50 ppm or less.
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