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    • 7. 发明授权
    • Lithographic method and assembly
    • 平版印刷方法和装配
    • US09423701B2
    • 2016-08-23
    • US13438526
    • 2012-04-03
    • Shaoxian ZhangJohannes Jacobus Matheus BaselmansJohannes Christiaan Maria Jasper
    • Shaoxian ZhangJohannes Jacobus Matheus BaselmansJohannes Christiaan Maria Jasper
    • G03B27/68G03F7/20
    • G03F7/706G03F7/70616G03F7/70625
    • A lithographic method of determining a sensitivity of a property of a pattern feature to change in optical aberrations of a lithographic apparatus used to provide that pattern feature. The method includes controlling a configuration of the lithographic apparatus to establish a first aberration state, forming a first image of the pattern feature with that lithographic apparatus when the lithographic apparatus is in that first aberration state, measuring a property of the image, controlling a configuration of the lithographic apparatus to establish a second, different, aberration state, forming an image of the same pattern feature with that lithographic apparatus when the lithographic apparatus is in that second aberration state, measuring a same property of the image, and using the measurements to determine the sensitivity of the property of the pattern feature to changes in the aberration state.
    • 确定图案特征的属性的灵敏度以改变用于提供该图案特征的光刻设备的光学像差的光刻方法。 该方法包括控制光刻设备的配置以建立第一像差状态,当光刻设备处于第一像差状态时,利用该光刻设备形成图案特征的第一图像,测量图像的属性,控制配置 的光刻设备,以建立第二,不同的像差状态,当光刻设备处于第二像差状态时,与该光刻设备形成相同图案特征的图像,测量图像的相同特性,并使用测量值 确定图案特征的属性对像差状态变化的敏感度。