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    • 6. 发明授权
    • Lithographic apparatus and lorentz actuator
    • 光刻设备和洛伦兹致动器
    • US08373848B2
    • 2013-02-12
    • US12574553
    • 2009-10-06
    • Fidelus Adrianus BoonHendrikus Pascal Gerardus Johannes Van Agtmaal
    • Fidelus Adrianus BoonHendrikus Pascal Gerardus Johannes Van Agtmaal
    • G03B27/58
    • G03F7/70758
    • A lithographic apparatus includes an actuator for producing a force in a first direction between a first and a second part including a first magnet assembly and a second magnet assembly each attached opposite to each other to the first part of the apparatus, the first magnet assembly including a first main magnet system and a first subsidiary magnet system, and the second magnet assembly including a second main magnet system and a second subsidiary magnet system, the first and second main magnet system defining a space between them in a second direction perpendicular to the first direction. The actuator includes a coil attached to the second part. The distance between at least a part of the first subsidiary magnet system and at least a part of the second subsidiary magnet system is smaller than the minimum distance between the first main magnet system and the second main magnet system.
    • 光刻设备包括用于在包括第一磁体组件和第二磁体组件的第一和第二部分之间沿第一方向产生力的致动器,每个第一磁体组件和第二磁体组件彼此相对地安装到装置的第一部分,第一磁体组件包括 第一主磁体系统和第一辅助磁体系统,并且第二磁体组件包括第二主磁体系统和第二辅助磁体系统,第一和第二主磁体系统在垂直于第一主磁体系统的第二方向 方向。 致动器包括附接到第二部件的线圈。 第一辅助磁体系统的至少一部分与第二辅助磁体系统的至少一部分之间的距离小于第一主磁体系统和第二主磁体系统之间的最小距离。