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    • 1. 发明申请
    • OPTICAL SYSTEM FOR A MICROLITHOGRAPHIC PROJECTION APPARATUS
    • 用于微晶投影装置的光学系统
    • WO2011147658A1
    • 2011-12-01
    • PCT/EP2011/056830
    • 2011-04-29
    • CARL ZEISS SMT GMBHSÄNGER, IngoSCHARNWEBER, RalfDITTMANN, OlafGRUNER, ToralfWEIß, GundulaMAJOR, András G.VOGT, MartinDEGÜNTHER, MarkusWANGLER, JohannesKORB, ThomasWALDIS, Severin
    • SÄNGER, IngoSCHARNWEBER, RalfDITTMANN, OlafGRUNER, ToralfWEIß, GundulaMAJOR, András G.VOGT, MartinDEGÜNTHER, MarkusWANGLER, JohannesKORB, ThomasWALDIS, Severin
    • G03F7/20
    • G03F7/70116G03F7/70566
    • The invention concerns an optical system for a microlithographic projection exposure apparatus and a microlithographic exposure method. In an embodiment an optical system for a microlithographic projection exposure apparatus includes at least one mirror arrangement (200, 720, 730, 920) having a plurality of mirror elements (200a, 200b, 200c, 721, 722, 733, 731, 732, 733,...) which are displaceable independently of each other for altering an angular distribution of the light reflected by the mirror arrangement (200, 720, 730, 920), and at least one manipulator (300, 720, 910) which is arranged downstream of said mirror arrangement (200, 720, 730, 920) in the light propagation direction and has a raster arrangement of manipulator elements (301, 302,..., 600, 721, 722, 723,... ) in such a way that light incident on the manipulator (300, 600, 720, 910) in operation of the optical system is influenced differently in its polarisation state and/or in its intensity in dependence on the incidence location, wherein at least two mutually different illumination settings (420, 520) are adjustable by the variation in an angular distribution of the light reflected by the mirror arrangement (200), wherein said illumination settings (420, 520) differ from each other in that identical regions of a pupil plane of the illumination system (10) are illuminated with light of a different polarisation state.
    • 本发明涉及一种用于微光刻投影曝光装置和微光刻曝光方法的光学系统。 在一个实施例中,用于微光刻投影曝光装置的光学系统包括具有多个反射镜元件(200a,200b,200c,721,722,733,731,732,920)的至少一个反射镜装置(200,720,730,920) 733,...),其可彼此独立地移位,以改变由反射镜装置(200,720,730,920)反射的光的角分布,以及至少一个操纵器(300,720,910),其是 在光传播方向上布置在所述反射镜装置(200,720,730,920)的下游,并且具有光栅装置,其中所述操纵元件(301,302,...,600,721,722,723,...) 入射在光学系统操作的操纵器(300,600,720,910)上的光的偏振状态和/或其强度根据入射位置受到不同的影响,其中至少两个相互不同 照明设置(420,520)可通过角度dist的变化进行调节 由反射镜装置(200)反射的光的贡献,其中所述照明设置(420,520)彼此不同,因为照明系统(10)的光瞳平面的相同区域被不同偏振态的光照射 。