Flexible and Printable Phase Shifter with Polymer Actuator for 12-GHz Band

DOI Web Site 18 References
  • SATO Fumio
    Research Center for Organic Electronics, Yamagata University
  • YOKOYAMA Michio
    Department of Bio-systems engineering, Faculty of Engineering/Graduate School of Science and Engineering, Yamagata University
  • USAMI Yudai
    Department of Bio-systems engineering, Faculty of Engineering/Graduate School of Science and Engineering, Yamagata University
  • YAZAWA Kentaro
    Department of Bio-systems engineering, Faculty of Engineering/Graduate School of Science and Engineering, Yamagata University
  • KUKI Takao
    Department of Electronics and Informatics, School of Science and Engineering, Kokushikan University
  • TOKITO Shizuo
    Research Center for Organic Electronics, Yamagata University

Abstract

<p>The authors have proposed a new type of flexible and printable 12GHz-band phase shifter using polymer actuator for the first time. Polymer bending actuator was used as a termination device of a reflection-type 3-dB, 90° hybrid coupler as the phase-shift control unit which controls the electrical length of the waveguide for microwave signals by the applied bias voltage. The microstrip line circuit of the device has been fabricated using low-cost screen printing method. Polymer bending actuator having three-layer stacking structure, in which an ionic liquid electrolyte layer is sandwiched with two conductive network composite layers, was formed by wet processes. The authors have confirmed that the phase shift could be controlled in analog by low driving voltages of 2-7 V for the actuator with a insertion loss of 2.73 dB. This phase shifter can be integrated with flexible patch antenna and the current flexible polymer electronics devices such as transistors.</p>

Journal

  • IEICE Transactions on Electronics

    IEICE Transactions on Electronics E101.C (10), 767-774, 2018-10-01

    The Institute of Electronics, Information and Communication Engineers

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