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1. 发明申请

US20090015845A1 OPTICAL SYSTEM OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS 有权
标题翻译：微波投影曝光装置的光学系统
公开(公告)号：US20090015845A1
公开(公告)日：2009-01-15
申请号：US12195920
申请日：2008-08-21
申请人： Joerge Tschischgale , Toralf Gruner
发明人： Joerge Tschischgale , Toralf Gruner
IPC分类号： G01B11/02 , G03B27/42
CPC分类号： G03F7/70591 , G03B13/00 , G03F7/70266
摘要： In a method for improving imaging properties of an illumination system or a projection objective of a microlithographic projection exposure apparatus, which comprises an optical element having a surface, the shape of the surface is measured directly at various points. To this end, a measuring beam is directed on the points, and the reflected or refracted beam is measured, e.g. using an interferometer. Based on deviations of the measured shape from a target shape, corrective measures are derived so that the imaging errors of the optical system are improved. The corrective measures may comprise a change in the position or the shape of the optical element being analyzed, or another optical element of the optical system. The target shape of the surface may, for example, be determined so that the optical element at least partially corrects imaging errors caused by other optical elements.
摘要翻译：在用于改善包括具有表面的光学元件的微光刻投影曝光装置的照明系统或投影物镜的成像特性的方法中，直接在各个点测量表面的形状。为此，测量光束被引导到这些点上，并且测量反射或折射的光束。使用干涉仪。基于测量形状与目标形状的偏差，导出校正措施，使得光学系统的成像误差得到改善。校正措施可以包括被分析的光学元件的位置或形状的改变，或光学系统的另一个光学元件的变化。例如，可以确定表面的目标形状，使得光学元件至少部分地校正由其它光学元件引起的成像误差。

2. 发明授权

US07733501B2 Optical system of a microlithographic projection exposure apparatus 有权
标题翻译：微光刻投影曝光装置的光学系统
公开(公告)号：US07733501B2
公开(公告)日：2010-06-08
申请号：US12195920
申请日：2008-08-21
申请人： Joerge Tschischgale , Toralf Gruner
发明人： Joerge Tschischgale , Toralf Gruner
IPC分类号： G01B11/02
CPC分类号： G03F7/70591 , G03B13/00 , G03F7/70266
摘要： In a method for improving imaging properties of an illumination system or a projection objective of a microlithographic projection exposure apparatus, which comprises an optical element having a surface, the shape of the surface is measured directly at various points. To this end, a measuring beam is directed on the points, and the reflected or refracted beam is measured, e.g. using an interferometer. Based on deviations of the measured shape from a target shape, corrective measures are derived so that the imaging errors of the optical system are improved. The corrective measures may comprise a change in the position or the shape of the optical element being analyzed, or another optical element of the optical system. The target shape of the surface may, for example, be determined so that the optical element at least partially corrects imaging errors caused by other optical elements.
摘要翻译：在用于改善包括具有表面的光学元件的微光刻投影曝光装置的照明系统或投影物镜的成像特性的方法中，直接在各个点测量表面的形状。为此，测量光束被引导到这些点上，并且测量反射或折射的光束。使用干涉仪。基于测量形状与目标形状的偏差，导出校正措施，使得光学系统的成像误差得到改善。校正措施可以包括被分析的光学元件的位置或形状的改变，或光学系统的另一个光学元件的变化。例如，可以确定表面的目标形状，使得光学元件至少部分地校正由其它光学元件引起的成像误差。

3. 发明授权

US07920275B2 Optical system of a microlithographic projection exposure apparatus 有权
标题翻译：微光刻投影曝光装置的光学系统
公开(公告)号：US07920275B2
公开(公告)日：2011-04-05
申请号：US12765285
申请日：2010-04-22
申请人： Joerge Tschischgale , Toralf Gruner
发明人： Joerge Tschischgale , Toralf Gruner
IPC分类号： G01B11/02
CPC分类号： G03F7/70591 , G03B13/00 , G03F7/70266
摘要： In a method for improving imaging properties of an illumination system or a projection objective of a microlithographic projection exposure apparatus, which comprises an optical element having a surface, the shape of the surface is measured directly at various points. To this end, a measuring beam is directed on the points, and the reflected or refracted beam is measured, e.g. using an interferometer. Based on deviations of the measured shape from a target shape, corrective measures are derived so that the imaging errors of the optical system are improved. The corrective measures may comprise a change in the position or the shape of the optical element being analyzed, or another optical element of the optical system. The target shape of the surface may, for example, be determined so that the optical element at least partially corrects imaging errors caused by other optical elements.
摘要翻译：在用于改善包括具有表面的光学元件的微光刻投影曝光装置的照明系统或投影物镜的成像特性的方法中，直接在各个点测量表面的形状。为此，测量光束被引导到这些点上，并且测量反射或折射的光束。使用干涉仪。基于测量形状与目标形状的偏差，导出校正措施，使得光学系统的成像误差得到改善。校正措施可以包括被分析的光学元件的位置或形状的改变，或光学系统的另一个光学元件的变化。例如，可以确定表面的目标形状，使得光学元件至少部分地校正由其它光学元件引起的成像误差。

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