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    • 6. 再颁专利
    • Positioning device having two object holders
    • 具有两个物体支架的定位装置
    • USRE40043E1
    • 2008-02-05
    • US10347491
    • 1998-02-27
    • Yim-Bun Patrick KwanGerrit Maarten BonnemaErik Roelof LoopstraHarmen Klaas Van Der SchootGerjan Peter Veldhuis
    • Yim-Bun Patrick KwanGerrit Maarten BonnemaErik Roelof LoopstraHarmen Klaas Van Der SchootGerjan Peter Veldhuis
    • G03B27/42G03B11/00
    • G03F7/70733B23Q1/621B23Q1/623B23Q11/0032G03F7/70716G03F7/70741G03F7/7075G03F7/709H01L21/682
    • A positioning device has first and second object holders that are guided over a guiding surface extending parallel to an X-direction and parallel to a Y-direction perpendicular to the X-direction and which are displaceable over the guiding surface from a first position into a second position by means of a displacement system. The displacement system includes a first displacement unit and a second displacement unit to which the object holders can be alternately coupled. The first displacement unit is suitable for carrying out a first series of positioning steps of the first object holder in the first position and for displacing the first object holder from the first position into an intermediate position between the first and second positions. The second displacement unit is suitable for carrying out a second series of positioning steps of the second object holder in the second position, simultaneously with and independently of the first displacement unit, and for displacing the second object holder from the second position into the intermediate position. In the intermediate position, the object holders are exchanged, after which the first series of positioning steps can be carried out by the first displacement unit with the second object holder in the first position and the second series of positioning steps can be carried out by the second displacement unit with the first object holder in the second position. The positioning device is suitable for use in a lithographic device to carry out an exposure process with a first semiconductor substrate in an exposure position and, simultaneously therewith and independently thereof, a characterization process with a second semiconductor substrate in a characterization position.
    • 定位装置具有第一和第二物体保持器,所述第一和第二物体保持器被引导到平行于X方向并且平行于与X方向垂直的Y方向延伸的引导表面,并且可以在引导表面上从第一位置移动到 通过位移系统的第二位置。 位移系统包括第一位移单元和第二位移单元,物体保持器可以交替地联接到该位移单元。 第一位移单元适于在第一位置执行第一物体保持器的第一系列定位步骤,并且用于将第一物体保持器从第一位置移动到第一位置和第二位置之间的中间位置。 第二位移单元适于在与第一位移单元同时且独立于第二位置执行第二对象保持器的第二系列定位步骤,并且用于将第二物体保持器从第二位置移动到中间位置 。 在中间位置,更换物体保持器,之后可以通过第一位移单元执行第一系列定位步骤,使第二物体保持器处于第一位置,并且第二系列定位步骤可以由 第二位移单元,其中第一对象保持器处于第二位置。 该定位装置适用于光刻设备,以在曝光位置中与第一半导体衬底进行曝光处理,并且同时进行曝光处理,并且独立于此,具有表征位置的第二半导体衬底的表征过程。