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전도성 에폭시를 이용한 직물 위에 구현된 건식 생체전위 전극의 연구
차두열,정정모,김덕수,양희준,최교상,최종명,장성필,Cha, Doo-Yeol,Jung, Jung-Mo,Kim, Deok-Su,Yang, Hee-Jun,Choi, Kyo-Sang,Choi, Jong-Myong,Chang, Sung-Pil 한국전기전자재료학회 2013 전기전자재료학회논문지 Vol.26 No.5
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).