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Sensors 2017, 17(9), 2068; doi:10.3390/s17092068

Review of Batteryless Wireless Sensors Using Additively Manufactured Microwave Resonators

School of Electrical and Electronics Engineering, College of Engineering, Chung-Ang University, 221 Heukseok-dong, Dongjak-gu, Seoul 156-756, Korea
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Received: 28 June 2017 / Revised: 1 September 2017 / Accepted: 7 September 2017 / Published: 9 September 2017
(This article belongs to the Special Issue Wireless Rechargeable Sensor Networks)

Abstract

The significant improvements observed in the field of bulk-production of printed microchip technologies in the past decade have allowed the fabrication of microchip printing on numerous materials including organic and flexible substrates. Printed sensors and electronics are of significant interest owing to the fast and low-cost fabrication techniques used in their fabrication. The increasing amount of research and deployment of specially printed electronic sensors in a number of applications demonstrates the immense attention paid by researchers to this topic in the pursuit of achieving wider-scale electronics on different dielectric materials. Although there are many traditional methods for fabricating radio frequency (RF) components, they are time-consuming, expensive, complicated, and require more power for operation than additive fabrication methods. This paper serves as a summary/review of improvements made to the additive printing technologies. The article focuses on three recently developed printing methods for the fabrication of wireless sensors operating at microwave frequencies. The fabrication methods discussed include inkjet printing, three-dimensional (3D) printing, and screen printing. View Full-Text
Keywords: inkjet printing; 3D printing; screen printing; RF sensors; wireless; RF resonators inkjet printing; 3D printing; screen printing; RF sensors; wireless; RF resonators
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Memon, M.U.; Lim, S. Review of Batteryless Wireless Sensors Using Additively Manufactured Microwave Resonators. Sensors 2017, 17, 2068.

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