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    • 1. 发明申请
    • LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
    • LITHOGRAPHIC装置和装置制造方法
    • US20100143832A1
    • 2010-06-10
    • US12632160
    • 2009-12-07
    • Martijn HOUBEN
    • Martijn HOUBEN
    • G03F7/20G03B27/52
    • G03F7/70341G03F7/707
    • In an immersion lithographic apparatus, bubble formation in immersion liquid is reduced or prevented by reducing a gap size or area on a substrate table. The gap size is reduced using an edge member which may be, for example, a ring known as a BES (Bubble Extraction System) ring. Information regarding the shape and/or cross-sectional dimension (e.g., diameter) of the substrate, or information regarding the size of the gap, is transmitted to a controller that controls the edge member in order for the edge member, for example, to be reduced to an appropriate size to reduce the gap as much as possible, desirably without compressing the edge of the substrate. Alternatively or additionally, the gap may be reduced by moving the substrate and/or edge member adjacent the edge of a surface of the substrate table.
    • 在浸没式光刻设备中,通过减小衬底台上的间隙尺寸或面积来降低或防止浸没液中的气泡形成。 使用可以是例如称为BES(气泡提取系统)环的环的边缘构件来减小间隙尺寸。 关于基板的形状和/或横截面尺寸(例如,直径)的信息或关于间隙的尺寸的信息被传送到控制边缘构件以便边缘构件的控制器,例如, 减小到适当的尺寸以尽可能地减小间隙,理想地不压缩基底的边缘。 或者或另外,可以通过移动邻近衬底台的表面的边缘的衬底和/或边缘构件来减小间隙。