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Method and apparatus for the computer-controlled manufacture of three-dimensional objects from computer data

  • US 6,169,605 B1
  • Filed: 09/07/1994
  • Issued: 01/02/2001
  • Est. Priority Date: 01/31/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus for producing a three-dimensional object, comprising:

  • a platform for supporting a target surface; and

    an integrated printhead for forming a layer over said target surface, said integrated printhead movable relative to said platform, comprising;

    a first jet for controllably dispensing a first material at selected locations of said target surface; and

    a dispenser mounted on said printhead in a lagging spaced-apart relationship relative to said first jet in a direction of movement of said integrated printhead relative to said platform, for dispensing a second material at other locations of said target surface simultaneously with said first jet;

    wherein said integrated printhead further comprises;

    means for planarizing the layer formed by said first jet and said dispenser, to form a substantially planar target surface at the top surface of said layer.

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