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    • 31. 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。
    • 35. 发明申请
    • CATADIOPTRIC PROJECTION OBJECTIVE
    • 目标投影目标
    • WO2004090600A2
    • 2004-10-21
    • PCT/EP2004/003708
    • 2004-04-07
    • CARL ZEISS SMT AGEPPLE, AlexanderDODOC, Aurelian
    • EPPLE, AlexanderDODOC, Aurelian
    • G02B17/08
    • G02B17/0892G02B17/08G03F7/70225G03F7/70275
    • A catadioptric projection objective for imaging a pattern arranged in the object plane (102) of the projection objective into the image plane (104) of the projection objective has a catadioptric first objective part (105) having at least one concave mirror (106), and a dioptric second objective part (108) in which there is situated a pupil surface (111) near the image. At least one concave lens (140, 145) with a concave surface (140', 145') directed towards the pupil surface (111) is arranged in a near zone (160) of the pupil surface. There are no lenses with a strongly curved concave surface directed towards the image plane between the pupil surface and the image plane. Such projection objectives can be produced in a way which saves material in conjunction with good optical correction, and are relatively insensitive to production-induced deviations from the ideal de sign.
    • 用于将布置在投影物镜的物平面(102)中的图案成像到投影物镜的像平面(104)中的反射折射投射物镜具有反射折射的第一物镜部分(105),其具有至少一个凹面镜(106), 以及其中在图像附近设置瞳孔表面(111)的屈光度第二目标部分(108)。 具有指向瞳孔表面(111)的凹表面(140',145')的至少一个凹透镜(140,145)布置在瞳孔表面的近区(160)中。 没有透镜具有朝向瞳孔表面和图像平面之间的图像平面的强烈弯曲的凹面。 这样的投影物镜可以以与光学校正良好相结合的方式产生,并且对生产诱导的理想偏差的偏差相对不敏感。