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METHOD AND DEVICE FOR GENERATING EUV RADIATION OR SOFT X-RAYS WITH ENHANCED EFFICIENCY

机译:产生具有较高效率的EUV辐射或软X射线的方法和装置

摘要

The present invention relates to an electrically operated discharge, by a method and apparatus for generating optical radiation, in particular EUV radiation or soft x-ray. Plasma 15 is ignited in a gas medium between at least two electrodes (1,2), wherein the gas medium is applied to one or several surface (s) moving in the discharge space and one or several pulsed energy beams at least in part, at least in part, it generated from a liquid material (6) that by evaporation. In the proposed method and apparatus the at least two consecutive pulses within a time interval of each electrical discharge on said surface (s) (9, 18) is applied. By this means, the collecting possible conversion efficiency is increased as compared to using only a single energy pulse in each of the electric discharge. ;
机译:电动放电技术领域本发明涉及一种通过产生光辐射,特别是EUV辐射或软X射线的方法和设备进行的电动放电。在至少两个电极(1,2)之间的气体介质中点燃等离子体15,其中该气体介质被施加到在放电空间中移动的一个或多个表面上,并且至少部分地施加一个或多个脉冲能量束,它至少部分地是由液态材料(6)通过蒸发产生的。在所提出的方法和设备中,在所述一个或多个表面(9、18)上的每个放电的时间间隔内施加至少两个连续的脉冲。通过这种方式,与在每个放电中仅使用单个能量脉冲相比,提高了收集可能的转换效率。 ;

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