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    • 4. 发明授权
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US07630059B2
    • 2009-12-08
    • US11491493
    • 2006-07-24
    • Hans ButlerJan-Gerard Cornelis Van Der ToornMartijn HoukesWilhelmus Franciscus Johannes Simons
    • Hans ButlerJan-Gerard Cornelis Van Der ToornMartijn HoukesWilhelmus Franciscus Johannes Simons
    • G03B27/58H02N3/00
    • G03F7/70725
    • A control system to control a position parameter of a stage in a lithographic apparatus includes a stage controller to control a position parameter of the stage in at least a first direction. The control system includes a disturbance torque estimator to estimate a disturbance torque on the stage, the disturbance torque about an axis extending in a second direction, the second direction being substantially perpendicular to the first direction. The control system includes a correction signal calculator, the correction signal calculator provided with the estimated disturbance torque and a signal representative of a position of the stage in a third direction, the third direction being substantially perpendicular to the first and second directions. The correction signal calculator determines a feedforward correction signal to correct a position error of the stage in the first direction due to the disturbance torque, the feedforward correction signal to be fed to the stage.
    • 用于控制光刻设备中的台的位置参数的控制系统包括:阶段控制器,用于至少在第一方向上控制台的位置参数。 所述控制系统包括用于估计所述载物台上的扰动扭矩的扰动扭矩估计器,围绕在第二方向上延伸的轴线的扰动扭矩,所述第二方向基本上垂直于所述第一方向。 所述控制系统包括校正信号计算器,所述校正信号计算器具有估计的干扰转矩和表示所述载物台在第三方向上的位置的信号,所述第三方向基本上垂直于所述第一和第二方向。 校正信号计算器确定前馈校正信号,以由于干扰转矩,馈送到级的前馈校正信号来校正第一方向上的级的位置误差。
    • 6. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20080018877A1
    • 2008-01-24
    • US11491493
    • 2006-07-24
    • Hans ButlerJan-Gerard Cornelis Van Der ToornMartijn HoukesWilhelmus Franciscus Johannes Simons
    • Hans ButlerJan-Gerard Cornelis Van Der ToornMartijn HoukesWilhelmus Franciscus Johannes Simons
    • G03B27/58
    • G03F7/70725
    • A control system to control a position parameter of a stage in a lithographic apparatus includes a stage controller to control a position parameter of the stage in at least a first direction. The control system includes a disturbance torque estimator to estimate a disturbance torque on the stage, the disturbance torque about an axis extending in a second direction, the second direction being substantially perpendicular to the first direction. The control system includes a correction signal calculator, the correction signal calculator provided with the estimated disturbance torque and a signal representative of a position of the stage in a third direction, the third direction being substantially perpendicular to the first and second directions. The correction signal calculator determines a feedforward correction signal to correct a position error of the stage in the first direction due to the disturbance torque, the feedforward correction signal to be fed to the stage.
    • 用于控制光刻设备中的台的位置参数的控制系统包括:阶段控制器,用于至少在第一方向上控制台的位置参数。 所述控制系统包括用于估计所述载物台上的扰动扭矩的扰动扭矩估计器,围绕在第二方向上延伸的轴线的扰动扭矩,所述第二方向基本上垂直于所述第一方向。 所述控制系统包括校正信号计算器,所述校正信号计算器具有估计的干扰转矩和表示所述载物台在第三方向上的位置的信号,所述第三方向基本上垂直于所述第一和第二方向。 校正信号计算器确定前馈校正信号,以由于干扰转矩,馈送到级的前馈校正信号来校正第一方向上的级的位置误差。