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Pick and place machine with component placement inspection

  • US 20030110610A1
  • Filed: 11/08/2002
  • Published: 06/19/2003
  • Est. Priority Date: 11/13/2001
  • Status: Active Grant
First Claim
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1. A pick and place machine for placing a component upon a workpiece, the machine comprising:

  • a placement head having at least one nozzle for releasably holding the component;

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

    a first image acquisition device disposed to obtain a first view before-image of an intended placement location before placement of the component, and a first view after-image of the intended placement location after placement of the component;

    a second image acquisition device disposed to obtain a second view before-image of an intended placement location before placement of the component, and a second view after-image of the intended placement location after placement of the component; and

    wherein the first and second views are spaced apart to provide stereovision inspection of the intended placement location.

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