15 April 2016 A flexible dual mode tactile and proximity sensor using carbon microcoils
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This paper proposes a flexible dual mode tactile and proximity sensor using Carbon Microcoils (CMCs). The sensor consists of a Flexible Printed Circuit Board (FPCB) electrode layer and a dielectric layer of CMCs composite. In order to avoid damage from frequent contacts, the sensor has all electrodes on the same plane and a polymer covering is placed on the top of the sensor. CMCs can be modeled as complex LCR circuit and the sensitivity of the sensor highly depends on the CMC content. Proper CMC content is experimentally investigated and applied to make the CMCs composite for the dielectric layer. The CMC sensor measures the capacitance for tactile stimulus and inductance for proximity stimulus. A prototype with a size of 30 × 30 × 0.6 π‘šπ‘š3, is manufactured and its feasibility is experimentally validated.
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Hyo Seung Han, Hyo Seung Han, Junwoo Park, Junwoo Park, Tien Dat Nguyen, Tien Dat Nguyen, Uikyum Kim, Uikyum Kim, Soon Cheol Jeong, Soon Cheol Jeong, Doo In Kang, Doo In Kang, Hyouk Ryeol Choi, Hyouk Ryeol Choi, "A flexible dual mode tactile and proximity sensor using carbon microcoils", Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979838 (15 April 2016); doi: 10.1117/12.2220160; https://doi.org/10.1117/12.2220160

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