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Hierarchical branched micro-truss structure and methods of manufacturing the same

  • US 9,771,998 B1
  • Filed: 08/18/2014
  • Issued: 09/26/2017
  • Est. Priority Date: 02/13/2014
  • Status: Active Grant
First Claim
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1. A branched hierarchical micro-truss structure, comprising:

  • a first layer comprising a plurality of interconnected struts; and

    a second layer comprising a plurality of struts branching outward from an end of each of a plurality of the struts in the first layer, each strut in the second layer having a first end at the end of one of the struts in the first layer and a second end opposite the first end,wherein a number of struts in the second layer is greater than a number of struts in the first layer,wherein a first group of struts in the second layer is separated from a second group of struts in the second layer adjacent to the first group, the first group of struts in the second layer branching out from one of the plurality of struts in the first layer and the second group of struts in the second layer branching out from another one of the plurality of struts in the first layer, andwherein the second ends of the first group of struts in the second layer are not directly connected to the second ends of the second group of struts in the second layer.

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