Catadioptric projection objective
    1.
    发明申请
    Catadioptric projection objective 失效
    反射折射投影物镜

    公开(公告)号:US20020167734A1

    公开(公告)日:2002-11-14

    申请号:US10114919

    申请日:2002-04-03

    IPC分类号: G02B027/14 G02B027/12

    摘要: There is provided a catadioptric projection objective that includes (a) an object plane having a rectangular object field, and (b) a beam splitter situated in a light path after the object plane, having a rectangular surface adapted to the object field and having an aspect ratio not equal to 1.

    摘要翻译: 提供了一种反折射投射物镜,其包括(a)具有矩形物体场的物平面,以及(b)位于物平面之后的光路中的分束器,具有适于物场的矩形表面,并具有 长宽比不等于1。