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    • 6. 发明申请
    • CATADIOPTRIC PROJECTION OBJECTIVE
    • 目标投影目标
    • WO2005069055A3
    • 2006-03-02
    • PCT/EP2005000262
    • 2005-01-13
    • ZEISS CARL SMT AGSHAFER DAVIDULRICH WILHELMDODOC AURELIANVON BUENAU RUDOLFMANN HANS-JUERGENEPPLE ALEXANDER
    • SHAFER DAVIDULRICH WILHELMDODOC AURELIANVON BUENAU RUDOLFMANN HANS-JUERGENEPPLE ALEXANDER
    • G02B17/08G03F7/20G02B17/00
    • G03F7/70958G02B13/22G02B17/0812G02B17/0892G03F7/70225G03F7/70275G03F7/70341G03F7/70966
    • A catadioptric projection objective (200) for imaging a pattern provided in an object plane (201) of the projection objective onto an image plane (202) of the projection objective comprises: a first objective part (210) for imaging the pattern provided in the object plane into a first intermediate image; a second objective part (220) for imaging the first intermediate imaging into a second intermediate image; a third objective part (230) for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror (221) having a first continuous mirror surface and at least one second concave mirror (222) having a second continuous mirror surface are arranged upstream of the second intermediate image; pupil surfaces are formed between the object plane and the first intermediate image, between the first and the second intermediate image and between the second intermediate image and the image plane; and all concave mirrors are arranged optically remote from a pupil surface. The system has potential for very high numerical apertures at moderate lens material mass consumption.
    • 用于将设置在投影物镜的物平面(201)中的图案成像到投影物镜的像平面(202)上的反射折射投射物镜(200)包括:第一物镜部分(210),用于对设置在投影物镜 物平面成为第一中间图像; 第二目标部分(220),用于将第一中间成像成像成第二中间图像; 用于将所述第二中间成像直接成像到所述图像平面上的第三目标部分(230) 其中具有第一连续镜面的第一凹面镜(221)和具有第二连续镜面的至少一个第二凹面镜(222)布置在所述第二中间图像的上游; 瞳孔表面形成在物平面与第一中间图像之间,第一和第二中间图像之间以及第二中间图像与图像平面之间; 并且所有凹面反射镜光学地远离光瞳表面布置。 该系统具有中等透镜材料质量消耗的非常高的数值孔径的潜力。
    • 10. 发明申请
    • CATADIOPTRIC PROJECTION OBJECTIVE WITH INTERMEDIATE IMAGES
    • 具有中间图像的目标投影
    • WO2005111689A3
    • 2006-06-08
    • PCT/EP2005005250
    • 2005-05-13
    • ZEISS CARL SMT AGDODOC AURELIANULRICH WILHELMEPPLE ALEXANDER
    • DODOC AURELIANULRICH WILHELMEPPLE ALEXANDER
    • G02B17/08G03F7/20
    • G03F7/70058G02B17/06G02B17/08G02B17/0804G02B17/0892G03F7/7015G03F7/70225G03F7/70275
    • A catadioptric projection objective for imaging of a pattern, which is arranged on the object plane of the projection objective, on the image plane of the projection objective has a first objective part for imaging of an object field to form a first real intermediate image, a second objective part for production of a second real intermediate image using the radiation coming from the first objective part; and a third objective part for imaging of the second real intermediate image on the image plane. The second objective part is a catadioptric objective part with a concave mirror. A first folding mirror for deflection of the radiation coming from the object plane in the direction of the concave mirror and a second folding mirror for deflection of the radiation coming from the concave mirror in the direction of the image plane are provided. A field lens with a positive refractive power is arranged between the first intermediate image and/or the first folding mirror and the concave mirror, in an area close to the field of the first intermediate image.
    • 用于对投影物镜的物平面上配置的图案进行成像的反射折射投射物镜具有用于对物场进行成像以形成第一实际中间像的第一物镜部分, 使用来自第一目标部分的辐射来生成第二实际中间图像的第二目标部分; 以及用于在图像平面上成像第二实际中间图像的第三目标部分。 第二个目标部分是具有凹面镜的反射折射物镜部分。 提供了用于使来自物体平面的辐射在凹面镜的方向上偏转的第一折叠镜和用于在像面方向偏转来自凹面镜的辐射的第二折叠镜。 在第一中间图像和/或第一折叠镜和凹面镜之间,在靠近第一中间图像的场的区域内布置具有正屈光力的场透镜。