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    • 8. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20060098175A1
    • 2006-05-11
    • US10983336
    • 2004-11-08
    • Pieter De JagerCheng-Qun GuiJacob KlinkhamerEduard Hoeberichts
    • Pieter De JagerCheng-Qun GuiJacob KlinkhamerEduard Hoeberichts
    • G03B27/00
    • G03F7/70475G03F7/70275G03F7/70291G03F7/70358
    • A lithographic apparatus and method for exposing a substrate. An illumination system supplies a series of beams of radiation that are patterned by an array of individually controllable elements. The patterned beams are projected through arrays of lenses onto target portions of a substrate. Each lens in the arrays directs a respective part of the patterned beam towards the substrate. A displacement system causes relative displacement between the substrate and the beam, such that the beams are scanned across the substrate in a predetermined scanning direction. The projection systems are positioned so that each beam is scanned along a respective one of a series of tracks on the substrate. The tracks overlap so that each track comprises a first portion that is scanned by one beam and at least one second portion that overlaps an adjacent track, and is scanned by two beams. A maximum intensity of a first part of each beam directed towards a first portion of the track can be greater than a maximum intensity of a second part of that beam directed towards a second portion of the track, such that the first and second portions of the track are exposed to radiation of substantially the same maximum intensity. Such overlapping of adjacent beams and modulation of the intensity of the beams can allow the optical footprints of different optical columns to be seamed together to enable exposure of large area substrates in a single scan.
    • 一种用于曝光衬底的光刻设备和方法。 照明系统提供一系列由单独可控元件的阵列构图的辐射束。 图案化的光束通过透镜阵列投射到基板的目标部分上。 阵列中的每个透镜将图案化束的相应部分朝向衬底引导。 位移系统引起衬底和梁之间的相对位移,使得束在预定扫描方向上跨过衬底扫描。 投影系统被定位成使得每个光束沿着衬底上的一系列轨道中的相应一个被扫描。 轨道重叠,使得每个轨道包括由一个梁扫描的第一部分和与相邻轨道重叠的至少一个第二部分,并且被两个梁扫描。 朝向轨道的第一部分的每个光束的第一部分的最大强度可以大于朝向轨道的第二部分的该光束的第二部分的最大强度,使得第一部分和第二部分 轨道暴露于基本上相同的最大强度的辐射。 相邻光束的这种重叠和光束强度的调制可以允许将不同光学柱的光学覆盖区缝合在一起以使得能够在单次扫描中暴露大面积的基板。