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. 2021 Dec 22;7(52):eabl8313. doi: 10.1126/sciadv.abl8313

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Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 4. — (A) Schematic of the flexible large-scale e-skin with the exploded view of one single sensing pixel. (B) Optical image of the flexible large-scale e-skin. (C, E, and G) Optical images of the flexible large-scale e-skin with a Z-shaped, a J-shaped, and a U-shaped acrylic block on it, respectively. (D, F, and H) The corresponding pressure profiles measured by the e-skin. (I) Optical image of the flexible large-scale e-skin with different objects placed on it. (J) 3D bar charts of pressure distribution corresponding to (I). (K) Optical image of the deformed flexible large-scale e-skin with a PDMS substrate. (L and M) Optical images of the flexible large-scale e-skin mounted onto the forearm in a conformal form and under compression. (N) Optical images of the e-skin mounted onto the forearm pressed by two fingers. (O and P) The pressure and temperature profiles given by the e-skin. Photo credit: M. Cai, Zhejiang University.