Additively manufacturable micro-mechanical logic gates

Song, Yuanping; Panas, Robert M.; Chizari, Samira; Shaw, Lucas A.; Jackson, Julie A.; Hopkins, Jonathan B.; Pascall, Andrew J.

doi:10.1038/s41467-019-08678-0

Title: Additively manufacturable micro-mechanical logic gates

Journal Article · Wed Feb 20 00:00:00 EST 2019 · Nature Communications

DOI:https://doi.org/10.1038/s41467-019-08678-0· OSTI ID:1497285

^[1]; Panas, Robert M. ^[2]; Chizari, Samira ^[1]; Shaw, Lucas A. ^[1];

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Univ. of California, Los Angeles, CA (United States). Dept. of Mechanical and Aerospace Engineering
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Materials Engineering Division

Early examples of computers were almost exclusively based on mechanical devices. Although electronic computers became dominant in the past 60 years, recent advancements in three-dimensional micro-additive manufacturing technology provide new fabrication techniques for complex microstructures which have rekindled research interest in mechanical computations. Here we propose a new digital mechanical computation approach based on additively-manufacturable micro-mechanical logic gates. The proposed mechanical logic gates (i.e., NOT, AND, OR, NAND, and NOR gates) utilize multi-stable micro-flexures that buckle to perform Boolean computations based purely on mechanical forces and displacements with no electronic components. A key benefit of the proposed approach is that such systems can be additively fabricated as embedded parts of microarchitected metamaterials that are capable of interacting mechanically with their surrounding environment while processing and storing digital data internally without requiring electric power.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Univ. of California, Los Angeles, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); LLNL Laboratory Directed Research and Development (LDRD) Program; US Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF)

Grant/Contract Number:: AC52-07NA27344; FA9550–15–1–0321; DGE-1650604

OSTI ID:: 1497285

Report Number(s):: LLNL-JRNL-751319; 937145

Journal Information:: Nature Communications, Vol. 10; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 59 works

Citation information provided by
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Cited By (3)

A soft matter computer for soft robots Garrad, M.; Soter, G.; Conn, A. T. Science Robotics, Vol. 4, Issue 33 https://doi.org/10.1126/scirobotics.aaw6060	journal	August 2019
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Figures / Tables (3)

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