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Inspecting apparatus of mounting state of component or printing state of cream solder in mounting line of electronic component

  • US 6,167,149 A
  • Filed: 06/08/1999
  • Issued: 12/26/2000
  • Est. Priority Date: 06/30/1992
  • Status: Expired due to Fees
First Claim
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1. An inspecting apparatus for use in correcting a relative position of a printed circuit board workpiece and a metal mask of a cream solder printing apparatus, said inspecting apparatus comprising:

  • an image pick-up device operable to obtain an image of cream solders on the printed circuit board;

    a printing position detector operable to detect, from the image, printing positions of the cream solders printed at least at three points on the printed circuit board, to obtain a print shift amount for correcting a relative position of the metal mask and the printed circuit board;

    an output device operable to output the print shift amount; and

    an automatic position setter operable to set the relative position of the metal mask and the printed circuit board based on the print shift amount.

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