公开(公告)号：US20100141909A1

公开(公告)日：2010-06-10

申请号：US12519077

申请日：2007-11-27

申请人： Arnoud Cornelis Wassink ,  Vadim Yevgenyevich Banine ,  Vladimir Vitalevitch Ivanov ,  Konstantin Nikolaevitch Koshelev ,  Theodorus Petrus Maria Cadee ,  Vladimir Mihailòvitch Krivtsun ,  Derk Jan Wilfred Klunder ,  Maarten Marinus Johannes Wilhelmus Van Herpen ,  Paul Peter Anna Antonius Brom ,  Wouter Anthon Soer ,  Denis Alexandrovich Glushkov

发明人： Arnoud Cornelis Wassink ,  Vadim Yevgenyevich Banine ,  Vladimir Vitalevitch Ivanov ,  Konstantin Nikolaevitch Koshelev ,  Theodorus Petrus Maria Cadee ,  Vladimir Mihailòvitch Krivtsun ,  Derk Jan Wilfred Klunder ,  Maarten Marinus Johannes Wilhelmus Van Herpen ,  Paul Peter Anna Antonius Brom ,  Wouter Anthon Soer ,  Denis Alexandrovich Glushkov

IPC分类号： G03B27/54 ,  G21K5/04

CPC分类号： G03F7/70933 ,  G03F7/70858 ,  G03F7/70883 ,  G03F7/70916 ,  G03F7/70925 ,  G03F7/70983 ,  H05G2/003 ,  H05G2/005

摘要： A radiation system for generating a beam of radiation that defines an optical axis is provided. The radiation system includes a plasma produced discharge source for generating EUV radiation. The discharge source includes a pair of electrodes constructed and arranged to be provided with a voltage difference, and a system for producing a plasma between the pair of electrodes so as to provide a discharge in the plasma between the electrodes. The radiation system also includes a debris catching shield for catching debris from the electrodes. The debris catching shield is constructed and arranged to shield the electrodes from a line of sight provided in a predetermined spherical angle relative the optical axis, and to provide an aperture to a central area between the electrodes in the line of sight.

摘要翻译： 提供了一种用于产生限定光轴的辐射束的辐射系统。 辐射系统包括用于产生EUV辐射的等离子体产生的放电源。 放电源包括一对构造和布置成具有电压差的电极，以及用于在一对电极之间产生等离子体的系统，以便在电极之间的等离子体中提供放电。 辐射系统还包括用于从电极捕获碎屑的碎片捕获屏蔽。 碎片捕捉屏蔽被构造和布置成屏蔽电极与相对于光轴以预定球面角度提供的视线，并为视线中的电极之间的中心区域提供孔。