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    • 6. 发明公开
    • Support device with a tiltable object table, and optical lithographic device provided with such a support device
    • Schützeinrichtungmit kippbarem Objekttisch,und optische Lithographieeinrichtung mit einer derartigen Einrichtung。
    • EP0503712A1
    • 1992-09-16
    • EP92200610.1
    • 1992-03-03
    • Philips Electronics N.V.ASM Lithography B.V.
    • Bouwer, Adrianus GerardusBaggen, Marcel Coenraad MarieJanssen, Henricus Wilhelmus AloysiusBartray, Petrus Rutgerusvan Eijk, Jan
    • H01L21/00G03F7/20
    • G03F7/70825B23Q1/36B23Q1/5462G03F7/70716H01L21/682
    • A support device comprising a first and a second bearing unit for guiding the support device along a base surface and a straight guide extending parallel to the base surface, respectively. The support device has an object table which is coupled to a rigidification member and which is displaceable relative to the two bearing units in a z-direction transverse to the base surface and is tiltable about at least one axis of rotation directed parallel to the base surface by means of three force actuators. The rigidification member is coupled to the second bearing unit by means of a coupling member which is elastically deformable in the z-direction, and coupled to the first bearing unit via the force actuators, whereby a statically determined coupling of the rigidification member and the object table to the two bearing units is obtained.
      The support device is particularly suitable for displacements of an object in the sub-micron range, such as, for example, in an optical lithographic device. In particular, an accurate focusing of the object may be obtained by the use of the support device in an optical lithographic device.
    • 一种支撑装置,包括用于沿基面引导支撑装置的第一和第二轴承单元和分别平行于基座表面延伸的直线导轨。 该支撑装置具有一个被连接到刚性化构件上的物镜台,它能够相对于两个轴承单元沿横向于基座表面的z方向移动,并且可围绕平行于底面的至少一个旋转轴线倾斜 通过三个力致动器。 刚性构件通过可在z方向上可弹性变形的联接构件联接到第二轴承单元,并且经由力致动器联接到第一轴承单元,由此刚性确定的刚性构件和物体的联接 得到两个轴承单元的表。 支撑装置特别适用于亚微米范围内的物体的位移,例如在光学平版印刷装置中。 特别地,可以通过在光学平版印刷设备中使用支持装置来获得对象的精确聚焦。