Abstract
A rectangular meandering-microstrip patch antenna (RM-MPA) with short pin for implant antenna and biomedical applications at industrial, scientific, and medical (ISM) band is proposed. The rectangular patch has a length of l = 14 mm and a width of w = 9.4 mm. The substrate and superstrate are made of Rogers 3210 with dielectric constant equals to 10.2. The RM-MPA is placed between the substrate and superstrate dielectric layers whose same thickness equals 0.635 mm. The proposed antenna is fed by a 50-Ω coaxial probe, at the centre of the length and edge of the width of the patch. The input impedance of the patch antenna varies with the patch geometry. Thus, the geometry of the patch changed to achieve impedance matching at the ISM band. The rectangular patch divided into three sections along width for meandering. The resonance frequency is tuned by meandering each section. The proposed antenna is simulated in free space and skin phantom. The proposed antenna has an efficiency of 90%, bandwidth of 1.02%. Both radiation pattern and SAR have evaluated which SAR level is below the safety and satisfies SAR standards. Finally, the antenna is tested in minced meat and tissue liquid.
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MS did the design and simulation and MSB did the fabricated, measured and wrote the article.
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Seydi, M., Bayati, M.S. Design, Simulation and Fabrication of an Implanted Antenna at ISM Band in Body Tissue. Wireless Pers Commun 122, 2023–2033 (2022). https://doi.org/10.1007/s11277-021-08978-z
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DOI: https://doi.org/10.1007/s11277-021-08978-z