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Penetration barrier for additive manufacturing

  • US 10,486,373 B2
  • Filed: 04/16/2014
  • Issued: 11/26/2019
  • Est. Priority Date: 01/16/2014
  • Status: Active Grant
First Claim
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1. A non-transitory processor readable medium having instructions thereon that when executed cause an additive manufacturing machine to:

  • form a first layer of build material;

    form a second layer of build material over the first layer;

    selectively add a coalescing agent to the second layer;

    solidify build material in the second layer to form a slice; and

    before the second layer of build material is formed, form a barrier, using the build material of the first layer, that is separable from the slice, such that the coalescing agent applied to the second layer is prevented from penetrating into the build material in the first layer.

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