Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Study on Micro Dried Bio-potential Electrodes Using Conductive Epoxy on Textile Fabrics

전도성 에폭시를 이용한 직물 위에 구현된 건식 생체전위 전극의 연구

  • 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)
  • Received : 2013.03.29
  • Accepted : 2013.04.24
  • Published : 2013.05.01
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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).

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References

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