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Pick and place machine with improved component pick image processing

  • US 20070091323A1
  • Filed: 09/14/2006
  • Published: 04/26/2007
  • Est. Priority Date: 09/14/2005
  • Status: Active Grant
First Claim
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1. A pick and place machine comprising:

  • a placement head having a nozzle for temporarily adhering a component thereto;

    a robotic system for generating relative movement between the placement head and a workpiece;

    a sensor having an illuminator disposed to direct illumination at the component, the sensor also having image acquisition system disposed to acquire a two-dimensional before-pick shadow image of the nozzle, and to acquire at least one two-dimensional after-pick shadow image of the nozzle and the component; and

    a processor adapted to process the before and after-pick images to characterize a pick operation.

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