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    • 10. 发明申请
    • OPTICAL SYSTEM
    • 光学系统
    • US20050018269A1
    • 2005-01-27
    • US10708183
    • 2004-02-13
    • Markus WeissUlrich Haag
    • Markus WeissUlrich Haag
    • G03F7/20G02B26/08
    • G03F7/70308G03F7/70258G03F7/70891
    • An optical system, for example a projection exposure apparatus for microlithography, has at least one optical element with an optical surface. A correction radiation device is provided that includes at least one correction radiation source for emitting correction radiation. A scanning device has at least one scanning mirror that is irradiated by the correction radiation and driven in such a way that a defined portion of the optical surface of the optical element is scanned with the correction radiation. This results in a correction of imaging characteristics of the optical element by means of heat which is supplied to the optical element by the correction radiation.
    • 光学系统,例如用于微光刻的投影曝光装置,具有至少一个具有光学表面的光学元件。 提供了一种校正辐射装置,其包括用于发射校正辐射的至少一个校正辐射源。 扫描装置具有至少一个由校正辐射照射的扫描镜,并以这样一种方式驱动,使得光学元件的光学表面的限定部分用校正辐射扫描。 这导致通过校正辐射提供给光学元件的热量校正光学元件的成像特性。