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    • 4. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20070139634A1
    • 2007-06-21
    • US11312649
    • 2005-12-21
    • Heine Mulder
    • Heine Mulder
    • G03B27/54
    • G03F7/70141G03F7/70091
    • Lithographic apparatus includes an illumination system for conditioning a radiation beam, a support for supporting a patterning device for imparting a cross-sectional pattern to the radiation beam to form a patterned radiation beam, and a substrate table for holding a substrate. A projection system is provided for projecting the patterned radiation beam onto a target portion of the substrate. Conditioning optics and an adjustable aperture are provided to condition the radiation beam from the illumination system, and a detector is provided to detect the size and divergence of the radiation beam propagated through the aperture and to provide a feedback signal in dependence thereon. An actuator serves to effect adjustment of at least one of the optics and the aperture to vary at least one optical characteristic of the radiation beam, and a control device is provided to control the actuator in response to the feedback signal from the detector.
    • 平版印刷设备包括用于调节辐射束的照明系统,用于支撑用于赋予辐射束以形成图案化辐射束的横截面图案的图案形成装置的支撑件以及用于保持衬底的衬底台。 提供了一种投影系统,用于将图案化的辐射束投影到基板的目标部分上。 提供调理光学元件和可调节孔径以调节来自照明系统的辐射束,并且提供检测器以检测通过孔传播的辐射束的尺寸和发散度,并根据其提供反馈信号。 致动器用于实现至少一个光学元件和孔径的调节以改变辐射束的至少一个光学特性,并且提供控制装置以响应于来自检测器的反馈信号来控制致动器。