Singapore;
Singapore||Institute for Health Innovation & Technology (iHealthtech);
Beijing 100084;
Applied Mechanics Laboratory;
National University of Singapore;
P.R. China||Department of Materials Science and Engineering;
Tsinghua University;
Singapore 119276;
P.R. China;
P.R. China||Laboratory of Flexible Electronics Technology;
Department of Engineering Mechanics;
期刊名称：
Science
i s s n：
0036-8075
年卷期：
2024 年
384 卷
May 31 TN.6699 期
页 码：
987-994
页 码：
摘 要：
Human skin sensing of mechanical stimuli originates from transaction of mechanoreceptors that converts external forces into electrical signals. Although imitating the spatial distribution of those mechanoreceptors can enable developments of electronic skins capable of decoupled sensing of normal/shear forces and strains, it remains elusive. We report a three-dimensionally (3D) architected electronic skin (denoted as 3DAE-Skin) with force and strain sensing components arranged in a 3D layout that mimics that of Merkel cells and Ruffini endings in human skin. This 3DAE-Skin shows excellent decoupled sensing performances of normal force, shear force, and strain and enables development of a tactile system for simultaneous modulus/curvature measurements of an object through touch. Demonstrations include rapid modulus measurements of fruits, bread, and cake with various shapes and degrees of freshness.
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