-
公开(公告)号:US20060215140A1
公开(公告)日:2006-09-28
申请号:US10540067
申请日:2003-12-18
IPC分类号: G03B27/72
CPC分类号: G03F7/706 , G03F7/7025 , G03F7/7085
摘要: The performance of an illumination system in, for example, a lithographic projection apparatus can be measured accurately and reliably by means of a test object (55) comprising at least one Fresnel zone lens (30) and an associated reference mark, preferably a ring (40). By superposed imaging of these and detecting and evaluating the composed image (56), telecentricity errors and aberrations of the illumination can be measured.
摘要翻译: 可以通过包括至少一个菲涅耳区透镜(30)和相关联的参考标记的测试对象(55)来精确和可靠地测量例如光刻投影设备中的照明系统的性能,优选为环( 40)。 通过这些的叠加成像和检测和评估合成图像(56),可以测量照明的远心误差和像差。