An Innovative Miniature UHF RFID Tag Antenna Applied for Metal Surface

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 293)

Abstract

This paper proposes a novel miniature RFID tag antenna used in metal surface structure for UHF radio frequency identification systems. The antenna is designed in the FR4 substrate with size of 18 × 18 × 1.6 mm3. Antenna structure includes two metal trimmed radiators where two short-circuit connected to metal ground plane designed for reducing the interference of the metal surface and two symmetrical zigzag strips to reduce the size of the antenna. Four L-shaped strips and two cutting triangles are added to adjustment conjugate impedance. The antenna 10 dB impedance bandwidth, from 793 to 979 MHz, is suitable for UHF RFID applications.

Keywords

RFID UHF dipole antenna Metallic surface 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Tsung-Fu Chien
    • 1
    • 2
  • Chun-Chieh Wang
    • 1
    • 2
  • Chih-Kuang Wu
    • 1
    • 2
  1. 1.Department of Electrical EngineeringSouthern Taiwan University of Science and TechnologyTainanTaiwan, Republic of China
  2. 2.RFID Research CenterChang Jung Christian UniversityTainanTaiwan, Republic of China

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