公开(公告)号：US06720731B2

公开(公告)日：2004-04-13

申请号：US10229003

申请日：2002-08-28

申请人： Yukio Yasuda ,  Yoshinoir Aiura

发明人： Yukio Yasuda ,  Yoshinoir Aiura

IPC分类号： H01J1720

CPC分类号： H01J61/0732 ,  G03F7/70016 ,  H01J61/20 ,  H01J61/86

摘要： A short arc mercury discharge lamp including an arc tube filled with at least mercury and a rare gas, a cathode and an anode positioned opposite to each other within the arc tube, the cathode having an tapered area which tapers in a direction towards the anode and a projection which protrudes from the tapered area in a direction towards the anode. The amount of mercury to be added in the arc tube is in a range of 0.2≦n≦52, where n is the weight (mg/cm3) of the mercury per unit of volume, and a pressure of the rare gas to be added in the arc tube is in a range of 0.1≦p≦800, where p is the pressure (kPa) of the rare gas at an ambient temperature of 25° C.

摘要翻译： 一种短弧汞灯放电灯，其包括在电弧管内至少填充有汞和稀有气体的电弧管，阴极和阳极，阴极具有朝向阳极的方向逐渐变细的锥形区域， 从朝向阳极的方向从锥形区域突出的突起。 添加在电弧管中的汞的量在0.2 <= n <52的范围内，其中n是每单位体积的汞的重量（mg / cm 3），以及 添加到电弧管中的稀有气体在0.1 <= p <= 800的范围内，其中p是在25℃的环境温度下稀有气体的压力（kPa）