Issue 38, 2015

Highly selective flexible tactile strain and temperature sensors against substrate bending for an artificial skin

Abstract

Flexible devices can conformally cover any surfaces and interact with different stimuli such as human touch. Although a flexible tactile sensor has been reported as an artificial skin application, distinguishing between a tactile force and strain due to substrate bending remains challenging. Here we report a highly selective tactile force sensor against bending on the basis of strain engineering by fabricating a cantilever structure. The proposed device achieves a 4–23 times improvement in selectivity compared to conventional pressure sensitive rubber. As a proof-of-concept for e-skin, an array composed of highly selective tactile force sensors and temperature sensors is successfully demonstrated to imitate human skin.

Graphical abstract: Highly selective flexible tactile strain and temperature sensors against substrate bending for an artificial skin

Article information

Article type
Communication
Submitted
18 Feb 2015
Accepted
19 Mar 2015
First published
20 Mar 2015

RSC Adv., 2015,5, 30170-30174

Highly selective flexible tactile strain and temperature sensors against substrate bending for an artificial skin

K. Kanao, S. Harada, Y. Yamamoto, W. Honda, T. Arie, S. Akita and K. Takei, RSC Adv., 2015, 5, 30170 DOI: 10.1039/C5RA03110A

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