Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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A review of 3D printing technology for piezoresistive strain/loadcell sensors

3D 프린팅 센서 연구 동향 소개-전왜성 변형/로드셀 센서 중심으로

  • Cho, Jeong Hun (Department of Mechanical & Design Engineering, Pukyong National University) ;
  • Moon, Raymond Hyun Woo (Department of Mechanical & Design Engineering, Pukyong National University) ;
  • Kim, Sung Yong (Department of Mechanical & Design Engineering, Pukyong National University) ;
  • Choi, Baek Gyu (Department of Mechanical & Design Engineering, Pukyong National University) ;
  • Oh, Gwang Won (Department of Mechanical & Design Engineering, Pukyong National University) ;
  • Joung, Kwan Young (Innovative Smart Manufacturing R&D Department, KITECH) ;
  • Kang, In Pil (Department of Mechanical & Design Engineering, Pukyong National University)
  • 조정훈 (부경대학교 기계설계공학부) ;
  • 문현우 (부경대학교 기계설계공학부) ;
  • 김성용 (부경대학교 기계설계공학부) ;
  • 최백규 (부경대학교 기계설계공학부) ;
  • 오광원 (부경대학교 기계설계공학부) ;
  • 정관영 (한국생산기술연구원) ;
  • 강인필 (부경대학교 기계설계공학부)
  • Received : 2021.10.20
  • Accepted : 2021.11.23
  • Published : 2021.11.30
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Abstract

The conventional microelectromechanical system (MEMS) process has been used to fabricate sensors with high costs and high-volume productions. Emerging 3D printing can utilize various materials and quickly fabricate a product using low-cost equipment rather than traditional manufacturing processes. 3D printing also can produce the sensor using various materials and design its sensing structure with freely optimized shapes. Hence, 3D printing is expected to be a new technology that can produce sensors on-site and respond to on-demand demand by combining it with open platform technology. Therefore, this paper reviews three standard 3D printing technologies, such as Fused Deposition Modeling (FDM), Direct Ink Writing (DIW), and Digital Light Processing (DLP), which can apply to the sensor fabrication process. The review focuses on strain/load sensors having both sensing material features and structural features as well. NCPC (Nano Carbon Piezoresistive Composite) is also introduced as a promising 3D material due to its favorable sensing characteristics.

Keywords

Acknowledgement

이 논문은 한국연구재단의 재원으로 학문후속세대양성사업(2020R1A6A3A1307), 이공학개인기초연구지원사업 (2018R1D1A1B07048103), 이공분야학문후속세대양성사업 (2019R1A6A3A12031466)의 지원을 받아 수행된 연구임.

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