Design and Characterization of Ink-Jet and Screen Printed HF RFID Antennas

2012 Fourth International EURASIP Workshop on RFID Technology Pub Date : 2012-09-27 DOI:10.1109/RFID.2012.22

José F. Salmerón, Almudena Rivadeneyra Torres, J. Banqueri, Migue A. Carvajal

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引用次数: 17

Abstract

The physical and electrical characterization of several patterns printed by ink-jet and screen printing are presented in this work. The main goal is to determine suitable techniques to manufacture RFID antennas by using different conductive Ag inks, pastes and substrates commonly used in RFID. The physical characterization consisted of measurements of the layer thickness and the RMS roughness of the patterns. DC electrical characterization has been carried out to study different conductive inks and substrates pointing out the lowest sheet resistance and the best printability for each analyzed case. Using the optimal conditions obtained from this work, coil inductors have been fabricated by both techniques in order to validate the present study. Ink-jet printed antennas have been fabricated with Sun Tronic Ag ink on PEI substrates and screen printed antennas have been fabricated on various substrates using screen mesh densities of 90h and 140h. Finally, a semi-passive RFID tag for the HF band providing temperature and humidity sensor capabilities is presented.

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喷墨和丝网印刷高频射频识别天线的设计与特性

本文介绍了喷墨和丝网印刷的几种图案的物理和电气特性。主要目标是通过使用RFID中常用的不同导电银油墨、浆料和基板来确定制造RFID天线的合适技术。物理表征包括测量层厚度和图案的均方根粗糙度。对不同导电油墨和基材进行了直流电学表征，指出了每种分析情况下的最低片材电阻和最佳印刷适性。利用从这项工作中获得的最佳条件，用这两种技术制作了线圈电感器，以验证本研究。在PEI衬底上用Sun Tronic Ag油墨制作了喷墨印刷天线，在不同的衬底上使用90h和140h的丝网密度制作了丝网印刷天线。最后，提出了一种提供温度和湿度传感器功能的高频半被动RFID标签。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 Fourth International EURASIP Workshop on RFID Technology

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