CATADIOPTRIC PROJECTION OBJECTIVE
    2.
    发明申请
    CATADIOPTRIC PROJECTION OBJECTIVE 有权
    目标投影目标

    公开(公告)号:US20140111787A1

    公开(公告)日:2014-04-24

    申请号:US14143060

    申请日:2013-12-30

    IPC分类号: G02B17/08

    摘要: A catadioptric projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective has a first, refractive objective part for imaging the pattern provided in the object plane into a first intermediate image; a second objective part including at least one concave mirror for imaging the first Intermediate imaging into a second intermediate image; and a third, refractive objective part for imaging the second intermediate imaging onto the image plane; wherein the projection objective has a maximum lens diameter Dmax, a maximum image field height Y′, and an image side numerical aperture NA; wherein COMP1=Dmax/(Y′·NA2) and wherein the condition COMP1

    摘要翻译: 用于将设置在投影物镜的物平面中的图案成像到投影物镜的像平面上的折反射投射物镜具有用于将设置在物平面中的图案成像为第一中间图像的第一折射目标部分; 第二目标部分,包括用于将第一中间成像成像成第二中间图像的至少一个凹面镜; 以及第三折射物镜部分,用于将所述第二中间成像成像到所述图像平面上; 其中所述投影物镜具有最大透镜直径Dmax,最大像场高度Y'和像侧数值孔径NA; 其中COMP1 = Dmax /(Y'·NA2),并且其中条件COMP1 <10成立。