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    • 66. 发明授权
    • Hooked electrode for arc lamp
    • 电弧灯吊钩电极
    • US4988917A
    • 1991-01-29
    • US285903
    • 1988-12-16
    • David A. Cox
    • David A. Cox
    • H01J61/073
    • H01J61/0732
    • A hooked arc discharge lamp electrode may be formed with electrodes slanting towards each other and towards the electrode roots. The hooking back of the electrode tips forms a gap between the electrode tip and the electrode shaft that prevents the arc from wandering across. The arc is then confined to a small area from the electrode tip area on the side away from the gap. The arc is prevented from wandering down the electrode shafts away from the optically ideal location, and to a potentially destructive position adjacent the envelope wall.
    • 钩状电弧放电灯电极可以形成有电极彼此朝向电极根部倾斜。 电极尖端的钩环在电极尖端和电极轴之间形成一个间隙,防止电弧流过。 然后将电弧限制在远离间隙的一侧的电极尖端区域的小区域。 防止电弧使电极轴远离光学理想位置,并且与邻近封套壁的潜在的破坏性位置相抵消。