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1. 发明申请

US20110174996A1 EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS AND NOZZLE PROTECTION DEVICE 有权
标题翻译：极光紫外线光源装置和喷嘴保护装置
公开(公告)号：US20110174996A1
公开(公告)日：2011-07-21
申请号：US13081148
申请日：2011-04-06
申请人： Hiroshi SOMEYA , Tamotsu ABE , Hideo HOSHINO
发明人： Hiroshi SOMEYA , Tamotsu ABE , Hideo HOSHINO
IPC分类号： G21F3/00 , G01J3/10
CPC分类号： H05G2/003 , H05G2/006
摘要： A nozzle protection device capable of protecting a target nozzle from heat of plasma without disturbing formation of a stable flow of a target material in an LPP type EUV light source apparatus. This nozzle protection device includes a cooling unit which is formed with an opening for passing the target material therethrough, and which is formed with a flow path for circulating a cooling medium inside, and an actuator which changes a position or a shape of the cooling unit between a first state of evacuating the cooling unit from a trajectory of the target material and a second state of blocking heat radiation from the plasma to the nozzle by the cooling unit while securing a path of the target material in the cooling unit.
摘要翻译：一种喷嘴保护装置，其能够保护目标喷嘴免受等离子体的热量的干扰，而不会在LPP型EUV光源装置中形成稳定的目标材料流。该喷嘴保护装置包括冷却单元，该冷却单元形成有用于使目标材料通过的开口，并且其形成有用于使冷却介质在内部循环的流路;以及致动器，其改变冷却单元的位置或形状在从所述目标材料的轨迹排出所述冷却单元的第一状态和通过所述冷却单元阻止从所述等离子体到所述喷嘴的热辐射的第二状态之间，同时确保所述目标材料在所述冷却单元中的路径。

2. 发明申请

US20110180734A1 EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS 有权
标题翻译：极光超光源光源装置
公开(公告)号：US20110180734A1
公开(公告)日：2011-07-28
申请号：US13081899
申请日：2011-04-07
申请人： Masato MORIYA , Tamotsu ABE , Takashi SUGANUMA , Hiroshi SOMEYA , Takayuki YABU , Akira SUMITANI , Osamu WAKABAYASHI
发明人： Masato MORIYA , Tamotsu ABE , Takashi SUGANUMA , Hiroshi SOMEYA , Takayuki YABU , Akira SUMITANI , Osamu WAKABAYASHI
IPC分类号： H05G2/00
CPC分类号： H05G2/003 , H05G2/008
摘要： An EUV light source apparatus can reliably detect and accurately judge deterioration of an optical element in a laser beam focusing optics disposed within an EUV light generation chamber. This EUV light source apparatus includes: the EUV light generation chamber; a target material supply unit; an EUV light collector mirror; a driver laser; a window; a parabolic mirror which focuses collimated laser beam by reflection and is disposed within the EUV light generation chamber; an energy detector detecting energy of the laser beam diffused without being applied to a target material after being focused by the laser beam focusing optics when the EUV light is not generated; and a processing unit for judging the deterioration of the window and the parabolic mirror according to the laser beam energy detected by the energy detector.
摘要翻译： EUV光源装置可以可靠地检测并准确地判断设置在EUV光产生室内的激光束聚焦光学元件中的光学元件的劣化。该EUV光源装置包括：EUV光产生室; 目标材料供应单位; EUV集光镜; 驱动激光器一个窗口; 抛物面镜，其通过反射聚焦准直激光束并设置在EUV光产生室内; 能量检测器，当不产生EUV光时，检测在被激光束聚焦光学器件聚焦之后不会施加到目标材料上的激光束的能量扩散; 以及处理单元，用于根据由能量检测器检测的激光束能量来判断窗口和抛物面镜的劣化。

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