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Electronic tattoos: the most multifunctional but imperceptible wearables
Author(s): Hyoyoung Jeong; Nanshu Lu
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Paper Abstract

Wearable electronics are finding emerging applications in mobile health, rehabilitation, prosthetics/exoskeletons, athletic training, human-machine interaction, etc. However, our skin is soft, curvilinear and dynamic whereas wafer-based electronics are hard, planar, and rigid. As a result, state-of-the-art wearables can only be strapped or clipped on human body. The development of flexible and stretchable electronics offers a remedy for such challenge. E-tattoos represent a class of stretchable circuits, sensors, and actuators that are ultrathin, ultrasoft, skin-conformable and deformable just like a temporary tattoo. We introduce a low-cost, dry and freeform “cut-and-paste” and “cut-solder-paste” method invented by my lab to fabricate e-tattoos. This method has been proved to work for thin film metals, polymers, ceramics, as well as 2D materials. Using these method, we created the first truly imperceptible e-tattoos based on graphene, and modular and reconfigurable Bluetooth and NFC enabled wireless e-tattoos.

Paper Details

Date Published: 2 May 2019
PDF: 12 pages
Proc. SPIE 11020, Smart Biomedical and Physiological Sensor Technology XV, 110200P (2 May 2019); doi: 10.1117/12.2518994
Show Author Affiliations
Hyoyoung Jeong, The Univ. of Texas at Austin (United States)
Nanshu Lu, The Univ. of Texas at Austin (United States)

Published in SPIE Proceedings Vol. 11020:
Smart Biomedical and Physiological Sensor Technology XV
Brian M. Cullum; Douglas Kiehl; Eric S. McLamore, Editor(s)

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