센서학회지 (Journal of Sensor Science and Technology)

  • 제24권4호
  • /
  • Pages.215-218
  • /
  • 2015
  • /
  • 1225-5475(pISSN)
  • /
  • 2093-7563(eISSN)
한국센서학회 (The Korean Sensors Society)
권호 표지
DOI QR코드

DOI QR Code

Ag Electrode Strain Sensor Fabrication Using Laser Direct Writing Process

  • Kim, Hyeonseok (School of Mechanical Engineering, Seoul National University) ;
  • Shin, Jaeho (School of Mechanical Engineering, Seoul National University) ;
  • Hong, Sukjoon (School of Mechanical Engineering, Seoul National University) ;
  • Ko, Seung Hwan (School of Mechanical Engineering, Seoul National University)
  • 투고 : 2015.05.31
  • 심사 : 2015.07.28
  • 발행 : 2015.07.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

As several innovative technologies for flexible electric devices are being realized, demand for in-situ strain monitoring for flexible electric devices is being emphasized. Because flexible devices are commonly influenced by substrate strain, suitable strain sensors for flexible devices are essential for the sophisticated maneuvering of flexible devices. In this study, a flexible strain sensor based on an Ag electrode is prepared on a polyimide substrate using the LDW (laser direct writing) process. In this process, first, the Ag nanoparticles are coated on the substrate and selectively sintered using a focused laser. Because of the advantages of the LDW process (such as being mask-less, using low temperatures, and having non-vacuum characteristics), the entire fabrication process has been dramatically simplified; as a final outcome, a highly reliable strain sensor has been fabricated. Using this strain sensor, various strain conditions that arise from different bending radii can be detected by measuring real-time electrical signals.

키워드

참고문헌

  1. A. Nathan, A. Ahnood, M. T. Cole, L. Sungsik, Y. Suzuki, P. Hiralal, F. Bonaccorso, T. Hasan, L. Garcia-Gancedo, A. Dyadyusha, S. Haque, P. Andrew, S. Hofmann, J. Moultrie, C. Daping, A. J. Flewitt, A. C. Ferrari, M. J. Kelly, J. Robertson, G. Amaratunga, and W. I. Milne, "Flexible electronics: The next ubiquitous platform," Proceedings of the IEEE, Vol. 100, pp. 1486-1517, 2012. https://doi.org/10.1109/JPROC.2012.2190168
  2. J. Yeo, S. Hong, D. Lee, N. Hotz, M.-T. Lee, C. P. Grigoropoulos, and S. H. Ko, "Next generation non-vacuum, maskless, low temperature nanoparticle ink laser digital direct metal patterning for a large area flexible electronics," PLoS ONE, Vol. 7, p. e42315, 2012. https://doi.org/10.1371/journal.pone.0042315
  3. S. Hong, J. Yeo, G. Kim, D. Kim, H. Lee, J. Kwon, H. Lee, P. Lee, and S. H. Ko, "Nonvacuum, maskless fabrication of a flexible metal grid transparent conductor by low-temperature selective laser sintering of nanoparticle ink," ACS Nano, Vol. 7, pp. 5024-5031, 2013/06/25 2013. https://doi.org/10.1021/nn400432z
  4. T. Yamada, Y. Hayamizu, Y. Yamamoto, Y. Yomogida, A. Izadi-Najafabadi, D. N. Futaba, and K. Hata, "A stretchable carbon nanotube strain sensor for human-motion detection," Nat Nano, Vol. 6, pp. 296-301, 2011. https://doi.org/10.1038/nnano.2011.36
  5. J. Yeo, G. Kim, S. Hong, M. S. Kim, D. Kim, J. Lee, H. B. Lee, J. Kwon, Y. D. Suh, H. W. Kang, H. J. Sung, J.-H. Choi, W.-H. Hong, J. M. Ko, S.-H. Lee, S.-H. Choa, and S. H. Ko, "Flexible supercapacitor fabrication by room temperature rapid laser processing of roll-to-roll printed metal nanoparticle ink for wearable electronics application," Journal of Power Sources, Vol. 246, pp. 562-568, 2014. https://doi.org/10.1016/j.jpowsour.2013.08.012
  6. D. Kang, P. V. Pikhitsa, Y. W. Choi, C. Lee, S. S. Shin, L. Piao, B. Park, K.-Y. Suh, T.-i. Kim, and M. Choi, "Ultrasensitive mechanical crack-based sensor inspired by the spider sensory system," Nature, Vol. 516, pp. 222-226, 2014. https://doi.org/10.1038/nature14002