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Large-area compliant tactile sensors using printed carbon nanotube active-matrix backplanes
Chiseon Yeom1, Kevin Chen, Daisuke Kiriya
1Printed Electronics Engineering, World Class University Program in Sunchon National University, Sunchon, Jeonnam, 540-742, South Korea.
Abstract:
A 20 × 20 pixel pressure sensor array based on a printed active-matrix single-wall carbon-nanotube thin-film transistor backplane is presented. Using a gravure printing process that is compatible with fully printed large-area roll-to-roll processing, a 97% device yield is obtained on the 400-transistor backplane. As a proof of concept, pressure sensors are integrated to map the applied tactile pressure across the array.
