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    • 5. 发明授权
    • Lithographic apparatus and positioning apparatus
    • 平版印刷设备和定位设备
    • US07405811B2
    • 2008-07-29
    • US11135637
    • 2005-05-24
    • Marcel Hendrikus Maria BeemsJoe Sakai
    • Marcel Hendrikus Maria BeemsJoe Sakai
    • G03B27/62G03B27/42G03B27/58
    • G03F7/70775
    • A lithographic apparatus comprises a substrate table to hold a substrate, a reference structure and a measurement system to measure a position of the substrate table with respect to the reference structure. The measurement system comprises a first measurement system to measure a position of the substrate table with respect to an intermediate structure and a second measurement system to measure a position of the intermediate structure with respect to the reference structure. The intermediate structure may be connected or connectable to a drive mechanism to drive the substrate table. A distance between the substrate table and the intermediate structure, and a distance between the intermediate structure and the reference structure may be small which results in a highly accurate position measurement.
    • 光刻设备包括用于保持衬底的衬底台,参考结构和测量系统,以测量衬底台相对于参考结构的位置。 测量系统包括测量衬底台相对于中间结构的位置的第一测量系统和用于测量中间结构相对于参考结构的位置的第二测量系统。 中间结构可以连接或连接到驱动机构以驱动衬底台。 衬底台和中间结构之间的距离以及中间结构与参考结构之间的距离可能较小,这导致高度准确的位置测量。
    • 7. 发明授权
    • Lithographic apparatus and device manufacturing method
    • 光刻设备和器件制造方法
    • US07349072B2
    • 2008-03-25
    • US10960788
    • 2004-10-08
    • Marcel Hendrikus Maria BeemsEngelbertus Antonius Fransiscus Van Der Pasch
    • Marcel Hendrikus Maria BeemsEngelbertus Antonius Fransiscus Van Der Pasch
    • G03B27/54G03B27/42G01B11/02
    • G03F7/70941G03F7/70775
    • Embodiments of the invention include an interferometer measurement system in which at least one reflective surface is arranged such that, in use, the beam path of interferometer radiation of the interferometer measurement system incident on the at least one reflective surface has an offset angle in the range of from 0.1 to 10 milliradians with respect to the normal to the at least one reflective surface. In that way, the effect of spurious radiation on the interferometer measurement system produced within the interferometer measurement system may be suppressed. In another embodiment, a parallel-sided plate is used in an interferometer measurement system to obtain a signal dependent on the angle of a beam of radiation reflected from a mirror. In that way, the flatness of the mirror can be mapped. One surface of the plate is a beam-splitter and the opposite surface of the plate is a reflector.
    • 本发明的实施例包括干涉仪测量系统,其中布置至少一个反射表面,使得在使用中,入射在至少一个反射表面上的干涉仪测量系统的干涉仪辐射的光束路径具有在该范围内的偏移角 相对于至少一个反射表面的法线为0.1至10毫弧度。 以这种方式,可以抑制杂散辐射对干涉仪测量系统内产生的干涉仪测量系统的影响。 在另一个实施例中,在干涉仪测量系统中使用平行侧板以获得取决于从反射镜反射的辐射束的角度的信号。 以这种方式,可以映射镜的平面度。 板的一个表面是分束器,并且板的相对表面是反射器。
    • 8. 发明授权
    • Lithographic apparatus and positioning apparatus
    • 平版印刷设备和定位设备
    • US07349069B2
    • 2008-03-25
    • US11109860
    • 2005-04-20
    • Marcel Hendrikus Maria BeemsJoe Sakai
    • Marcel Hendrikus Maria BeemsJoe Sakai
    • G03B27/42G03B27/62
    • G03F7/70775
    • A lithographic apparatus comprises a substrate table to hold a substrate, a reference structure and a measurement system to measure a position of the substrate table with respect to the reference structure. The measurement system comprises a first measurement system to measure a position of the substrate table with respect to an intermediate structure and a second measurement system to measure a position of the intermediate structure with respect to the reference structure. The intermediate structure may be connected or connectable to a drive mechanism to drive the substrate table. A distance between the substrate table and the intermediate structure, resp. a distance between the intermediate structure and the reference structure may be small which results in a highly accurate position measurement.
    • 光刻设备包括用于保持衬底的衬底台,参考结构和测量系统,以测量衬底台相对于参考结构的位置。 测量系统包括测量衬底台相对于中间结构的位置的第一测量系统和用于测量中间结构相对于参考结构的位置的第二测量系统。 中间结构可以连接或连接到驱动机构以驱动衬底台。 衬底台与中间结构之间的距离, 中间结构和参考结构之间的距离可能较小,这导致高度精确的位置测量。