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1. (WO2017034553) SPARSE TRUSS STRUCTURES AND METHODS OF MAKING THE SAME

Pub. No.:    WO/2017/034553    International Application No.:    PCT/US2015/046771
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Wed Aug 26 01:59:59 CEST 2015
IPC: B81B 1/00
B81C 1/00
Applicants: HRL LABORATORIES, LLC
Inventors: CLOUGH, Eric, C.
ENSBERG, Jie
JACOBSEN, Alan, J.
HUNDLEY, Jacob, M.
CARTER, William
SCHAEDLER, Tobias, A.
Title: SPARSE TRUSS STRUCTURES AND METHODS OF MAKING THE SAME
Abstract:
A sparse micro-truss structure having a series of unit cells arranged in an array is disclosed. Each of the unit cells includes a series of struts interconnected at a node. Adjacent unit cells are spaced apart by a gap. Spacing apart the adjacent unit cells is configured to reduce the sensitivity of the sparse micro-truss structure to premature mechanical failure due to buckling in one or more of the struts compared to related art micro-truss structures having a series of fully interconnected unit cells.