专利内容由知识产权出版社提供
专利名称：Curved tube type ultra high pressure
mercury arc discharge lamp device
发明人：Takashi Fujimura,Yoshifumi Tomita,Kiyoshi
Sawatari
申请号：US06/306714申请日：19810929公开号：US04482842A公开日：19841113
摘要：In a curved tube type ultra high pressure mercury discharge lamp device of thetype comprising an arcuate glass tube, a quantity of mercury contained in both ends ofthe glass tube and electrodes projecting into the glass tube beyond surfaces of themercury for creating electric discharge between the electrodes, throttles are formed onan inner surface of the glass tube near the electrodes. The throttles have diameterssmaller than an inner diameter of the glass tube and the mercury is contained in spacesbetween the throttles and the both ends of the glass tube.
申请人：HITACHI, LTD.
代理人：Charles E. Pfund
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