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. 2021 Feb 15;8(1):19–27. doi: 10.1089/soro.2019.0129

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© Manav Tyagi et al. 2021; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons Attribution Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are cited.

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FIG. 9. — Microrobotic devices with varied dimensions depicting the scale of fabrication. (A, B) Electrical actuation of a microrobotic structure with four flexible moving arms/legs and a rigid body. The fingers are 300 μm wide and 2000 μm long. The body is 2000 × 5000 μm² and is multiple layers thick. (C) Three microrobotic actuators placed in oxidized state along a millimeter scale. (D) The smallest (in inset) and the largest microrobot placed in reduced state along with a LEGO minifigure. Color images are available online.