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首页> 外文期刊>IEEE transactions on electronics packaging manufacturing >Performance of Printed Polymer-Based RFID Antenna on Curvilinear Surface
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Performance of Printed Polymer-Based RFID Antenna on Curvilinear Surface

机译：曲面上基于聚合物的印刷RFID天线的性能

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摘要

The performance of flexible printed RFID tags affixed onto cylindrical containers is dependent on the inductive behavior of the bent antenna on the tag. Conductive polymeric coil antennas were screen printed onto flexible substrates, and the coil resistances, the inductances, and the S-parameters of the antenna coils were measured and analyzed. The RFID dies were mounted onto the antenna coils and the read ranges were characterized as a function of curvature. The results show that the coil inductance decreased slowly with increasing curvature, and the maximum read range of the tags was markedly reduced with the curvature. The decrease in the coil inductance and the maximum read range were hypothesized to vary with the projected bent coil area instead of the geometric coil area. Experimental results confirmed that the maximum read range of an RFID tag affixed on a curvilinear surface can be predicted by the classical inductive coupling model with the bent projected coil area. On the basis of the experimental and analytical results, a reading reliability factor of two is proposed as a design parameter for flexible RFID tags.
机译：粘贴在圆柱形容器上的柔性印刷RFID标签的性能取决于标签上弯曲天线的感应特性。将导电聚合物线圈天线丝网印刷在柔性基板上，并测量和分析天线线圈的线圈电阻，电感和S参数。将RFID管芯安装在天线线圈上，并将读取范围作为曲率的函数。结果表明，线圈电感随着曲率的增加而缓慢减小，并且标签的最大读取范围随着曲率的增加而明显减小。假设线圈电感的减小和最大读取范围随投影弯曲线圈面积而不是几何线圈面积而变化。实验结果证实，通过弯曲的投影线圈面积的经典感应耦合模型可以预测粘贴在曲线表面上的RFID标签的最大读取范围。根据实验和分析结果，提出将读取可靠性因子设为2作为柔性RFID标签的设计参数。

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