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3D 프린팅 센서 연구 동향 소개-전왜성 변형/로드셀 센서 중심으로
조정훈 ( Jeong Hun Cho ),문현우 ( Raymond Hyun Woo Moon ),김성용 ( Sung Yong Kim ),최백규 ( Baek Gyu Choi ),오광원 ( Gwang Won Oh ),정관영 ( Kwan Young Joung ),강인필 ( In Pil Kang ) 한국센서학회 2021 센서학회지 Vol.30 No.6
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.