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In this paper an elliptical-shaped patch antenna (15 × 17 × 1.64) mm3 is proposed for super wideband applications. Flexibility is achieved by using polyimide substrate material with a simple and compact design. The proposed design is tuned to cover the 30.9–60 GHz with FR4 substrate and 38–60 GHz with polyimide substrate frequency range that covers the standard SWB band. The proposed antenna resonates at 35.196 GHz with s11 of −27.8 dB for FR4 substrate and it resonates at 38.6 GHz with s11 of −41.9 dB with polyimide substrate and achieves a 22 GHz of impedance bandwidth with polyimide substrate, 29.1 GHz impedance bandwidth for FR4 substrate, respectively. The peak gain is 6.36 dB for FR4 substrate 5.94 dB for polyimide Substrate and radiation characteristics are observed for planar and flexible conditions. The obtained results shows that the proposed super wideband antenna can used to identify the contaminated food and antenna is easily adaptable for all food containers.

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Identification of Contaminated Food Using a Flexible Super Wideband Antenna

  • 会议论文

  • 发表日期：

    2025年

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  • Dattatreya Gopi,
  • B. S. S. V. Ramesh,
  • M. S. S. S. Srinivas,
  • A. V. S. Swathi,
  • P. Govardhan,
  • P. Sai Chandu,
  • M. Nithish,
  • M. Shashi Kiran

摘要

In this paper an elliptical-shaped patch antenna (15 × 17 × 1.64) mm3 is proposed for super wideband applications. Flexibility is achieved by using polyimide substrate material with a simple and compact design. The proposed design is tuned to cover the 30.9–60 GHz with FR4 substrate and 38–60 GHz with polyimide substrate frequency range that covers the standard SWB band. The proposed antenna resonates at 35.196 GHz with s11 of −27.8 dB for FR4 substrate and it resonates at 38.6 GHz with s11 of −41.9 dB with polyimide substrate and achieves a 22 GHz of impedance bandwidth with polyimide substrate, 29.1 GHz impedance bandwidth for FR4 substrate, respectively. The peak gain is 6.36 dB for FR4 substrate 5.94 dB for polyimide Substrate and radiation characteristics are observed for planar and flexible conditions. The obtained results shows that the proposed super wideband antenna can used to identify the contaminated food and antenna is easily adaptable for all food containers.