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http://dx.doi.org/10.4313/JKEM.2013.26.5.367

Study on Micro Dried Bio-potential Electrodes Using Conductive Epoxy on Textile Fabrics  

Cha, Doo-Yeol (Department of Electronic Engineering, Inha University)
Jung, Jung-Mo (Department of Electronic Engineering, Inha University)
Kim, Deok-Su (Department of Electronic Engineering, Inha University)
Yang, Hee-Jun (Department of Electronic Engineering, Inha University)
Choi, Kyo-Sang (Department of Electronic Engineering, Inha University)
Choi, Jong-Myong (Department of Electronic Engineering, Inha University)
Chang, Sung-Pil (Department of Electronic Engineering, Inha University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.26, no.5, 2013 , pp. 367-372 More about this Journal
Abstract
In this paper, micro dried bio-potential electrodes are demonstrated for sEMG (surface ElectroMyoGraphic) signal measurement using conductive epoxy on the textile fabric. Micro dried bio-potential electrodes on the textile fabric substrate have several advantages over the conventional wet/dry electrodes such as good feeling of wearing, possibility of extended-wearing due to the good ventilation. Also these electrodes on the textile fabric can easily apply to the curved skin surface. These electrodes are fabricated by the screen-printing process with the size of $1mm{\times}10mm$ and the resultant resistance of these electrodes have the average value of $0.4{\Omega}$. The conventional silver chloride electrode shows the average value of $0.3{\Omega}$. However, the electrode on the textile fabric are able to measure the sEMG signal without feeling of difference and this electrode shows the lower resistance of $1.03{\Omega}$ than conventional silver chloride electrode with $2.8{\Omega}$ in the condition of the very sharp curve surface (the radius of curvature is 40 mm).
Keywords
Dried bio-potentional electrode; sEMG (surfaceElectroMyoGraphic); Conductive epoxy; Textile fabrics; Curved skin surface; Screen-printing process; Resistance; Silver chloride;
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