发明公开
EP1760531A1 Lithographic method 审中-公开
Lfhografisf Verfahren

Lithographic method
摘要:
In calibration of overlay performance of an immersion lithographic apparatus, two sets of overlay data are obtained from exposures carried out using normal and reversed meanders. The two data sets can then be used to eliminate effects due to wafer cooling.
信息查询
0/0