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    • 3. 发明专利
    • Lithographic apparatus comprising substrate table
    • 包含基板的平面设备
    • JP2014170957A
    • 2014-09-18
    • JP2014093766
    • 2014-04-30
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • BUTLER HANSJAN VAN EIJKHOL SVEN ANTOINE JOHANNJOHANNES PETRUS MARTINUS BERNARDUSYAN-SHAN HUANG
    • H01L21/027G03F7/20H01L21/68
    • G03F7/70783G03F7/70758
    • PROBLEM TO BE SOLVED: To provide a lithographic apparatus that enables accurate focus positioning of a substrate.SOLUTION: A lithographic apparatus includes: an illumination system configured to adjust a radiation beam; and a support medium constructed to support a patterning device capable of imparting the radiation beam with a pattern in its cross-section to form a patterned radiation beam. The lithographic apparatus further includes: a substrate table constructed to hold a substrate; a positioner constructed to position the substrate table; a projection system configured to project the patterned radiation beam onto a target portion of the substrate; a substrate surface actuator arranged to engage a part of a surface of the substrate facing the projection system; and a position controller configured to control a position of the substrate table and arranged to drive the positioner and the substrate surface actuator.
    • 要解决的问题:提供能够准确地对基板进行聚焦定位的光刻设备。解决方案:光刻设备包括:照明系统,被配置为调节辐射束; 以及支撑介质,其构造成支撑能够在其横截面中赋予辐射束图案以形成图案化的辐射束的图案形成装置。 所述光刻设备还包括:衬底台,其构造成保持衬底; 定位器,其被构造成定位所述衬底台; 投影系统,被配置为将所述图案化的辐射束投影到所述基板的目标部分上; 衬底表面致动器,被布置成接合面向所述投影系统的所述衬底的表面的一部分; 以及位置控制器,被配置为控制所述基板台的位置并被布置成驱动所述定位器和所述基板表面致动器。
    • 6. 发明专利
    • Lithographic apparatus and method for measuring position
    • 平面设备和测量位置的方法
    • JP2011211173A
    • 2011-10-20
    • JP2011039324
    • 2011-02-25
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • BUTLER HANSVAN DER PASCH ENGELBERTUS ANTONIUS FRANSISCUS
    • H01L21/027G01B9/02G01B11/00H01L21/68
    • G01B11/14G03B27/58
    • PROBLEM TO BE SOLVED: To provide an improved lithographic apparatus of which positional accuracy performance is advanced.SOLUTION: The lithographic apparatus includes: a support being moveable relative to a reference structure in a direction; a first position measurement system configured to provide a first measurement signal in a first frequency range, the first measurement signal representative of a position of the support relative to the reference structure in the direction; a second position measurement system configured to provide a second measurement signal in a second frequency range, the second measurement signal representative of the position of the support relative to the reference structure in the direction; and a processor configured to (a) filter the first measurement signal so as to attenuate a signal component having a frequency in the second frequency range, (b) filter the second measurement signal so as to attenuate a signal component having a frequency in the first frequency range, and (c) combine the filtered first measurement signal and the filtered second measurement signal into a combined measurement signal representative of the position of the support relative to the reference structure in the direction.
    • 要解决的问题:提供一种位置精度性能提高的改进的光刻设备。解决方案:光刻设备包括:支撑件可相对于参考结构在一个方向上移动; 第一位置测量系统,被配置为在第一频率范围内提供第一测量信号,所述第一测量信号表示所述支撑件相对于所述参考结构在所述方向上的位置; 第二位置测量系统,被配置为在第二频率范围内提供第二测量信号,所述第二测量信号表示所述支撑件相对于所述参考结构在所述方向上的位置; 以及处理器,其被配置为(a)对所述第一测量信号进行滤波,以便衰减具有在所述第二频率范围内的频率的信号分量,(b)滤除所述第二测量信号,以便衰减具有所述第一频率的信号分量 频率范围,以及(c)将滤波的第一测量信号和滤波的第二测量信号组合成表示支撑件相对于参考结构在该方向上的位置的组合测量信号。
    • 9. 发明专利
    • Lithographic apparatus and improvement of alignment in device manufacturing method
    • 设备制造方法的平面设备和对准改进
    • JP2010267963A
    • 2010-11-25
    • JP2010108166
    • 2010-05-10
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • BUTLER HANS
    • H01L21/027
    • G03B27/32G03F9/70G03F9/7096
    • PROBLEM TO BE SOLVED: To accurately align a projected image and a substrate. SOLUTION: When the substrate is scanned relative to the image in the lithographic apparatus, a scanning mechanism has coarse accuracy compared with precise patterns of the image to be exposed onto the substrate. In order to ensure that the image and the substrate are aligned at some point in time, an oscillation is imparted to a substrate table or a device that aligns the image, such as a mask table. An oscillation frequency is chosen corresponding to the maximum value of an alignment error. The frequency of a radiation pulse is adjusted so as to most accurately align the image and the substrate. The timing of the radiation pulse of the image may be adjusted so as to achieve accurate alignment when the oscillation is not imparted. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:准确地对准投影图像和基板。 解决方案:当相对于光刻设备中的图像扫描基板时,扫描机构与要暴露于基板上的图像的精确图案相比具有粗略的精度。 为了确保图像和基板在某个时间点对准,向基板台或对准图像的装置(例如掩模台)施加振荡。 选择对应于对准误差的最大值的振荡频率。 调整辐射脉冲的频率,以最准确地对准图像和基板。 可以调整图像的辐射脉冲的定时,以便在不施加振荡时实现准确的对准。 版权所有(C)2011,JPO&INPIT