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    • 3. 发明申请
    • SYSTEM AND METHOD FOR INSPECTING WORKPIECES HAVING MICROSCOPIC FEATURES
    • 用于检查具有微观特征的工件的系统和方法
    • WO2007080568A2
    • 2007-07-19
    • PCT/IL2006/001418
    • 2006-12-11
    • ORBOTECH LTD.SAPHIER, OferADIN, RaananFISCH, David
    • SAPHIER, OferADIN, RaananFISCH, David
    • G06K9/00
    • G06K9/033G06K2209/19
    • Apparatus for high resolution processing of a generally planar workpiece having microscopic features to be imaged, comprising a video camera acquiring at least two candidate images of a microscopic portion on generally planar workpiece; a motion controller operative to effect motion, relative to the workpiece, of at least an optical element of the video camera along an optical axis extending generally normally to a location on a surface of the workpiece, the video camera acquiring the at least two candidate images at selected time intervals, each of the at least two candidate images differing by at least one image parameter; an image selector operative to select an individual image from among the at least two candidate images according to predefined criteria of image quality; and a selected image analyzer operative to analyze at least a portion of the individual image selected by the image selector.
    • 一种用于具有要成像的微观特征的大体平面的工件的高分辨率处理的装置,包括摄像机,其在大致平面的工件上获取微观部分的至少两个候选图像; 运动控制器,其操作以沿着通常大致延伸到工件表面上的位置的光轴实现至少摄像机的光学元件相对于工件的运动,摄像机获取至少两个候选图像 在选定的时间间隔,所述至少两个候选图像中的每一个与至少一个图像参数不同; 图像选择器,用于根据图像质量的预定标准从所述至少两个候选图像中选择单个图像; 以及选择的图像分析器,用于分析由图像选择器选择的单个图像的至少一部分。