MULTI-CAMERA SENSOR FOR THREE-DIMENSIONAL IMAGING OF A CIRCUIT BOARD
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app pub date -
Jan 14, 2014
filing date -
Jan 17, 2013
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Abstract
A system for sensing a three-dimensional topology of a circuit board is provided. An illumination source projects an illumination pattern from a first angle of incidence. A first camera acquires an image of the structured light pattern on the circuit board from a second angle of incidence. A second camera simultaneously acquires an image of the structured light pattern on the circuit board from a third angle of incidence, the third angle of incidence differing from the second angle of incidence. A controller is coupled to the illumination source and to the at least two camera devices. The controller generates a height topology of the circuit board based on images acquired from the at least two camera devices of the structure light illuminator.
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