High-pressure discharge lamp, particularly low-rated power discharge
lamp, with enhanced quality of light output
    3.
    发明授权
    High-pressure discharge lamp, particularly low-rated power discharge lamp, with enhanced quality of light output 失效
    高压放电灯,特别是低功率放电灯,具有提高的光输出质量

    公开(公告)号:US5629585A

    公开(公告)日:1997-05-13

    申请号:US510185

    申请日:1995-08-02

    摘要: To improve the arc stability of high-pressure discharge lamps, particularlyf power ratings of up to about only 250 W, the cathode (4) is formed as an elongated, essentially cylindrical base body (8) having a tapering, conical region (9) terminating in a tip (10). The base body (8), only, is covered with a carbide coating along its length, except for an end portion for electrical connection; the carbide coating starts at the junction or transition between the cylindrical base body portion and the conical end portion. This cathode construction is easier and cheaper to make than prior art cathodes, by coating an essentially cylindrical cathode and then etching or grinding and polishing the tapering end region (9). The electrode is preferably made essentially of tungsten, doped with thorium oxide present up to about 0.6%, optionally also potassium, aluminum and silicon in tiny amounts. The electrode spacing is between 0.4 to 0.8 mm, and when used as a mercury high-pressure discharge lamp, filled with 70 to 130 mg per cubic centimeter mercury; when used as a xenon lamp, the xenon fill is preferably present at a cold fill pressure of between about 2 and 15 bar.

    摘要翻译: 为了提高高压放电灯的电弧稳定性,特别是功率额定值高达约250W的电弧稳定性,阴极(4)形成为具有锥形圆锥形区域(9)的细长的基本上圆柱形的基体(8) )终止在尖端(10)中。 除了用于电连接的端部部分之外,基体(8)仅沿着其长度覆盖碳化物涂层; 碳化物涂层从圆筒形基体部分和锥形端部之间的接合或过渡开始。 这种阴极结构比现有技术的阴极通过涂覆基本上圆柱形的阴极然后蚀刻或研磨和抛光锥形端部区域(9)更容易和更便宜。 电极优选基本上由钨制成,掺杂有高达约0.6%的氧化钍,任选地还含有少量的钾,铝和硅。 电极间距在0.4〜0.8mm之间,当用作汞高压放电灯时,填充70〜130mg /立方厘米汞柱; 当用作氙气灯时,氙气填充物优选以约2至15巴的冷填充压力存在。

    Current bushing system for a lamp
    4.
    发明申请
    Current bushing system for a lamp 审中-公开
    电流套管系统

    公开(公告)号:US20070035252A1

    公开(公告)日:2007-02-15

    申请号:US11501038

    申请日:2006-08-09

    IPC分类号: H01J17/04

    摘要: The invention discloses a current bushing system for a lamp, having molybdenum foils, which are embedded in a gas-tight manner in at least one end section of the lamp and on which, in each case at two opposite narrow sides, an outer power supply line and an electrode or an outer power supply line and an inner power supply line are arranged. According to the invention, the power supply lines and/or electrodes have, at least in sections, a coating which is designed such that the fusion behavior of the power supply lines and/or electrodes is impaired in the coating region.

    摘要翻译: 本发明公开了一种用于灯的电流衬套系统,其具有钼箔,其以气密的方式嵌入灯的至少一个端部中,并且在每个情况下在两个相对的窄侧上具有外部电源 线和电极或外部电源线和内部电源线。 根据本发明,电源线和/或电极至少部分具有设计成使得电源线和/或电极的熔化行为在涂覆区域中受损的涂层。