The development of graphene-based flex sensors using printed electronics for physical rehabilitation and assistive applications

  • Authors:
  • Surapa Thiemjarus;Patiya Pasakon;Chakrit Sriprachuabwong;Tanom Lomas;Adisorn Tuantranont;Atis Atiset;Rungsemund Chunvichit

  • Affiliations:
  • Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, Thailand;Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, Thailand;Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, Thailand;Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, Thailand;Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, Thailand;Thanmmasat University, Bangkok, Thailand;Thanmmasat University, Bangkok, Thailand

  • Venue:
  • Proceedings of the 7th International Convention on Rehabilitation Engineering and Assistive Technology
  • Year:
  • 2013

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Abstract

Flex sensors have several promising uses as measurement devices in physical rehabilitation and assistive applications. Most commercial conductive-ink based flex sensors, however, are prone to delamination due to cracking and humidity. Size and flexibility of sensor substrates are also hurdles for practical device designs. This paper presents the development of flex sensors based on the printed technology. The experimental results report the effect of various combination of fabrication settings, i.e., different contact point materials during measurement, the use of graphene-modified vs. pure carbon pastes as the first layer material, different pattern parameters (i.e., sensor width, sensor length, pattern length and interval length), and measurement before and after one week time.