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    • 1. 发明申请
    • ON-HEAD COMPONENT ALIGNMENT USING MULTIPLE AREA ARRAY IMAGE DETECTORS
    • 使用多区域阵列图像检测器的头部组件对齐
    • US20100295935A1
    • 2010-11-25
    • US12769151
    • 2010-04-28
    • Steven K. CaseTimothy A. SkunesDavid W. DuquetteSean D. SmithBeverly Caruso
    • Steven K. CaseTimothy A. SkunesDavid W. DuquetteSean D. SmithBeverly Caruso
    • H04N7/18
    • H01L21/681H05K13/0812
    • A sensor for sensing component offset and orientation when held on a nozzle of a pick and place machine is provided. The sensor includes a plurality of two-dimensional cameras, a backlight illuminator and a controller. Each camera has a field of view that includes a nozzle of the pick and place machine. The backlight illuminator is configured to direct illumination toward the plurality of two-dimensional cameras. The backlight illuminator is positioned on an opposite side of a nozzle from the plurality of two-dimensional cameras. The controller is coupled to the plurality of two-dimensional cameras and the backlight illuminator. The controller is configured to determine offset and orientation information of the component(s) based upon a plurality of backlit shadow images detected by the plurality of two-dimensional cameras. The controller provides the offset and orientation information to a controller of the pick and place machine.
    • 提供了用于在保持在拾放机的喷嘴上时感测部件偏移和取向的传感器。 传感器包括多个二维照相机,背光照明器和控制器。 每个相机具有包括拾取和放置机器的喷嘴的视野。 背光照明器被配置成朝向多个二维照相机引导照明。 背光照明器位于与多个二维照相机的喷嘴相反的一侧。 控制器耦合到多个二维照相机和背光照明器。 控制器被配置为基于由多个二维相机检测到的多个背光阴影图像来确定部件的偏移和取向信息。 控制器向拾取和放置机器的控制器提供偏移和取向信息。