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A Study on the Formation of Detection Electrode for the IED Removal Robot by Using A Photosensitive CNT Paste

감광성 CNT 페이스트를 이용한 IED 폭발물 제거로봇 탐지전극 형성에 관한 연구

  • Kwon, Hye Jin (Precedent Study Planning Team, Defence Agency for Technology and Quality)
  • 권혜진 (국방기술품질원 선행연구계획팀)
  • Received : 2018.02.01
  • Accepted : 2018.02.23
  • Published : 2018.05.01

Abstract

In this study, two important requirements for the home production of a robot to detect and remove improvised explosive devices (IEDs) are presented in terms of the total cost for robot system development and the performance improvement of the mine detection technology. Firstly, cost analyses were performed in order to provide a reasonable solution following an engineering estimate method. As a result, the total cost for a mass production system without the mine detection system was estimated to be approximately 396 million won. For the case including the mine detection system, the total cost was estimated to be approximately 411 million won, in which labor costs and overhead charges were slightly increased and the material costs for the mine detection system were negligible. Secondly, a method for fabricating the carbon nanotube (CNT) based gas detection sensor was studied. The detection electrodes were formed by a photolithography process using a photosensitive CNT paste. As a result, this method was shown to be a scalable and expandable technology for producing excellent mine detection sensors. In particular, it was found that surface treatments by using adhesive taping or ion beam bombardment methods are effective for exposing the CNTs to the ambient air environment. Fowler-Nordheim (F-N) plots were obtained from the electron-emission characteristics of the surface treated CNT paste. The F-N plot suggests that sufficient electrons are available for transport between CNT surfaces and chemical molecules, which will make an effective chemiresistive sensor for the advanced IED detection system.

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