发明授权
US07663741B2 Lithographic apparatus, device manufacturing method, calibration method and computer program product 失效
光刻设备,器件制造方法,校准方法和计算机程序产品

Lithographic apparatus, device manufacturing method, calibration method and computer program product
摘要:
To calibrate a lithographic apparatus contrast in the aerial image is measured for a plurality of different settings of available manipulators of the projection system. Appropriate settings of the manipulators are determined as those giving the maximum contrast values.
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