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Device for the alignment of a part and a substrate for carrying the part

  • US 4,404,741 A
  • Filed: 10/09/1981
  • Issued: 09/20/1983
  • Est. Priority Date: 05/19/1980
  • Status: Expired due to Fees
First Claim
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1. A device for the alignment of a part and of a substrate designed to receive said part, said device comprising:

  • a plate having a horizontal flat upper surface, said plate being mounted on a fixed base;

    an XY moving table connected with a movable base, said movable base mounted for sliding movement relative to said upper surface of the plate, said table supporting said substrate;

    a blocking device for momentarily preventing translational movement of the movable base on said upper surface, but allowing said base to rotate about a given vertical axis;

    a gripping device to bring the part over the substrate approximately along said given vertical axis and to deposit it vertically onto said substrate; and

    an optical device for viewing the part and the substrate with the direction of observation being along said given vertical axis.

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