Abstract
Radio frequency identification (RFID) is a non-contact automatic identification technology that allows transmission of information and power via radio frequency signals. It has advantages including a short recognition distance, favorable efficiency, and reliable security. Planar antennas are an important aspect of RFID tags, and are usually manufactured by winding, screen-printing, and etching methods. These production processes typically involve thermal/mechanical stresses, chemical corrosion and other manufacturing processes which restrict the choice of substrate. On the other hand, direct writing technology provides a number of advantages, including no restrictions on the substrate, reduced costs, and simplified manufacturing processes. Because of these advantages, we propose a fabrication process for a spiral antenna using direct writing technology of a conductive material. The direct writing system was developed using a dispensing system and a 3-axis stage system. Consequently, a planar spiral antenna for an NFC tag was fabricated. The inductance of the fabricated spiral antenna was in good agreement with the designed value.
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Recommended by Associate Editor Keun Park
Yu-Quan Bai received a B.E. degree of Mechanical Engineering from Yanbian University, China in 2012, and is currently pursuing a Master of Engineering degree at Yanbian University, as well as a master’s degree in Mechanical Engineering at Chungbuk National University.
In Hwan Lee majored in mechanical engineering and graduated from Sung Kyun Kwan University in 1990, and then, he completed a master’s degree from the same university in 1992. Then he completed a Ph.D. at POSTECH in 2003. Currently, he is a professor at the Chungbuk National University.
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Bai, YQ., Kim, MK., Lee, I.H. et al. Fabrication of a planar spiral antenna using direct writing technology. J Mech Sci Technol 29, 2461–2465 (2015). https://doi.org/10.1007/s12206-015-0542-y
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DOI: https://doi.org/10.1007/s12206-015-0542-y