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    • 3. 发明申请
    • OPTICAL SYSTEM, IN PARTICULAR ILLUMINATION DEVICE OR PROJECTION OBJECTIVE OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS
    • 光学系统,特别是照明设备或投影微波投影曝光装置的目标
    • WO2008119794A1
    • 2008-10-09
    • PCT/EP2008/053847
    • 2008-03-31
    • CARL ZEISS SMT AGTOTZECK, MichaelGRUNER, ToralfFIOLKA, Damian
    • TOTZECK, MichaelGRUNER, ToralfFIOLKA, Damian
    • G03F7/20
    • G03F7/70566
    • The invention relates to an optical system, in particular an illumination device or a projection objective of a microlithographic projection exposure apparatus, comprising a polarization compensator (100, 200, 300, 400, 800, 900), which has at least one polarization-modifying partial element (110-140, 210-240, 310-340, 410-440, 810-840, 910-940), and a manipulator (150, 250, 722, 851-854, 951a-954a, 951b-954b), by means of which the position of the at least one partial element can be altered, wherein, in the optical system, at least one operating mode (501-504) can be set in which the intensity, over a region which belongs to a plane perpendicular to the optical axis (OA) and which can be illuminated with light from said light source, does not exceed 20% of the maximum intensity in said plane, and wherein the manipulator (150, 250, 722, 851-854, 951a-954a, 951b-954b) is arranged in said region.
    • 本发明涉及光学系统,特别是微光刻投影曝光装置的照明装置或投影物镜,该光学装置或投影物镜包括极化补偿器(100,200,300,400,800,900),其具有至少一个偏振修正 部分元件(110-140,210-240,310-340,410-440,810-840,910-940)和操纵器(150,250,722,851-854,951a-954a,951b-954b) ,借助于此可以改变至少一个部分元件的位置,其中在光学系统中,可以设置至少一个操作模式(501-504),其中强度在属于 垂直于光轴(OA)的并且可以用来自所述光源的光照射的平面不超过所述平面中最大强度的20%,并且其中所述操纵器(150,250,722,851-854,951a -954a,951b-954b)布置在所述区域中。