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FATIH ALPER1, OZLEM COSKUN1,*
In this study, a unique microstrip implant antenna design that can be used for biotelemetry applications is proposed. Antenna size is designed as 30 mm *28 mm*1.59 mm. In its design, FR4 base material with dielectric constant of 4.3, loss tangent of 0.025 and height of 1.52 mm was used. The analysis of the implant antenna was performed in the CST Microwave Studio program. After the desired values were obtained, the tissue model was created and the implant antenna was placed in the skin tissue. The return loss and SAR value of the designed microstrip implant antenna were measured at 2.45 GHz in the ISM band. As a result of the measurements, the return loss in and out of the tissue was observed as -18 dB and -33 dB, and the SAR value as 153 W/kg, respectively. Then, the antenna was realized with the printed circuit technology, a phantom fluid was created showing the properties of the skin tissue, and the antenna was placed in this fluid. Finally, the simulation and experimental results of the designed antenna were evaluated and compared with the studies in the literature. It has been observed that the measurement results in the skin tissue are quite compatible with the simulation results.
Microstrip implant antenna, Biotelemetry, In-vivo application.
FATIH ALPER, OZLEM COSKUN, Design of a microstrip implant antenna for biotelemetry applications, Optoelectronics and Advanced Materials - Rapid Communications, 16, 9-10, September-October 2022, pp.430-436 (2022).
Submitted at: Oct. 26, 2021
Accepted at: Oct. 5, 2022
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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