公开(公告)号：US06483240B2

公开(公告)日：2002-11-19

申请号：US09801085

申请日：2001-03-06

申请人： Daniel Joseph O'Hare ,  Richard O. Shaffner ,  Richard P. Gilliard

发明人： Daniel Joseph O'Hare ,  Richard O. Shaffner ,  Richard P. Gilliard

IPC分类号： H01J61073

CPC分类号： H01J61/0735 ,  H01J61/86

摘要： A high pressure mercury lamp comprises a quartz envelope that contains an atmosphere and a pair of arc-discharge electrodes. These are coil-wound tungsten that has been doped to grain-stabilize the tungsten crystalline structure, e.g., with potassium or potassium and alumina. Preferred potassium doping levels of the tungsten material are in the range of 35-75 ppm. A suitable commercial product of alumina and potassium doped tungsten material is Type BSD-Sylvania. The atmosphere generally comprises a rare gas like xenon, to which is added no more than 0.2 mg/mm3 of mercury so as to keep operating pressure under 200 bar (197 atm). But the electrical power applied is sufficient to maintain arc power loadings of at least 150 watts/mm. The resultant wall loading is more than 0.8 watts/mm2, and lamp operating-power levels can be greater than 150 watts.

摘要翻译： 高压汞灯包括含有气氛的石英外壳和一对电弧放电电极。 这些是已被掺杂以晶化稳定钨晶体结构的卷绕钨，例如用钾或钾和氧化铝。 钨材料优选的钾掺杂浓度在35-75ppm的范围内。 氧化铝和掺杂钾的钨材料的合适商业产品是BSD-Sylvania型。 气氛通常包括象氙气这样的稀有气体，其中添加不超过0.2mg / mm 3的汞，以保持操作压力在200巴（197atm）以下。 但是所施加的电力足以保持至少150瓦特/毫米的电弧功率负载。 所得到的壁装载量大于0.8瓦特/平方毫米，灯的工作功率水平可以大于150瓦特。

公开(公告)号：US4798995A

公开(公告)日：1989-01-17

申请号：US915370

申请日：1986-10-06

申请人： Richard P. Gilliard ,  Daniel M. Cap ,  Timothy D. Russell

发明人： Richard P. Gilliard ,  Daniel M. Cap ,  Timothy D. Russell

IPC分类号： H01J61/20 ,  H01J61/12 ,  H01J61/82 ,  H01J17/20 ,  H01J61/22

CPC分类号： H01J61/125 ,  H01J61/827

摘要： In an arc tube for a high intensity metal halide discharge lamp, a particular composition of metal halide dose is provided to control thorium transport to the electrodes within the arc tube and tungsten transport to the wall to improve arc tube performance.

摘要翻译： 在用于高强度金属卤化物放电灯的电弧管中，提供金属卤化物剂量的特定组成以控制钍传输到电弧管内的电极并且钨传输到壁以改善电弧管性能。