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http://dx.doi.org/10.5850/JKSCT.2021.45.1.168

Development and Structural Design of Textile Touch Sensor Easily Implemented  

Kim, Ji-seon (Dept. of Smart Wearables Engineering, Soongsil University)
Park, Jinhee (Dept. of Organic Materials & Fiber Engneering, Soongsil University)
Kim, Jooyoung (Dept. of Organic Materials & Fiber Engneering, Soongsil University)
Publication Information
Journal of the Korean Society of Clothing and Textiles / v.45, no.1, 2021 , pp. 168-179 More about this Journal
Abstract
This study presents and develops a textile type touch sensor structural design that is easy to implement. First, the design of the touch sensor circuit finds the size of the switch with the easiest finger contact and selects a structure with a long circuit with the lowest resistance value. An experiment is performed on a change in an electrostatic capacitance value that accompanies the distance on the electrode and the magnitude of the electrode area of the structure; however, the structure having the distance on the electrode and the large electrode area shows the best resistance change. The laundry assessment was conducted three times at a time and ten times at a time with an average standard deviation less than one ohm, with little change in resistance. Consequently, there were no problems with durability and performance for laundry. Finally, in the bending evaluation, the difference in resistance can be seen between 1-2 ohms and was developed as a smart wearable in the future; in addition, there was no problem as a difference in resistance can be seen between 1 and 2 ohms.
Keywords
Smart wearable; Textile touch sensor; Textronics; Implementation method; Soft electronics;
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