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    • 9. 发明授权
    • Radiation reduction exposure apparatus and method of manufacturing
semiconductor device
    • 减光曝光装置及半导体装置的制造方法
    • US6014421A
    • 2000-01-11
    • US847404
    • 1997-04-24
    • Yuji ChibaMasami Tsukamoto
    • Yuji ChibaMasami Tsukamoto
    • G03F7/20H01L21/027H01L21/30
    • G03F7/70233G03F7/70283G03F7/703G03F7/70358G03F7/70708G03F7/70725
    • An X-ray reduction exposure apparatus which provides a preferable image forming system in an entire mask surface area of a reflection type mask, can reduce curvature of the field and astigmatism of the transfer image even in scan exposure and, therefore, can obtain high transfer precision, and the apparatus contributes to the manufacture of a semiconductor element having high reliability. The X-ray reduction exposure apparatus has, as a characteristic feature, a drive mechanism for driving a mask scan stage substantially along the curvature surface of the mask. This drive mechanism is constituted by a main drive section (linear motor or the like) linearly driven in a direction corresponding to the moving direction of a mask scan stage and a sub-drive section (actuator or the like) driven perpendicularly to the drive direction, otherwise, constituted by a main drive section and a guide having a shape which is the same as the curvature surface shape of the mask.
    • 在反射型掩模的整个掩模表面区域中提供优选的图像形成系统的X射线减少曝光装置即使在扫描曝光中也可以减小转印图像的曲率和像散,因此可以获得高转印 并且该装置有助于制造具有高可靠性的半导体元件。 作为特征,X射线减少曝光装置具有用于基本上沿着掩模的曲率表面驱动掩模扫描台的驱动机构。 该驱动机构由与驱动方向垂直驱动的荫罩扫描台和副驱动部(致动器等)的移动方向对应的方向直线驱动的主驱动部(直线电机等)构成, 否则由主驱动部分和具有与掩模的曲率表面形状相同的形状的引导件构成。