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SAR Analysis of Hexagonal-Shaped Slot Loaded Patch Antenna for Hyperthermia Application at 434 MHz
Progress In Electromagnetics Research Letters, Vol. 109, 119-125, 2023
In this article, a low-profile microstrip patch antenna using an FR-4 substrate with relative permittivity of 4.4 and thickness of 1.6 mm is designed. On the top of a substrate, it consists of one metallic hexagonal patch and a metallic-fed hexagonal ringtone, and the ground part of the structure is covered with orthogonal rectangular slots. The designed structure operates in the ISM band of 434 MHz, and the overall size of the antenna is 124x124x1.6 mm3. The antenna provides a valid SAR input profile.
Azharuddin Khan, and Amit Kumar Singh, "SAR Analysis of Hexagonal-Shaped Slot Loaded Patch Antenna for Hyperthermia Application at 434 MHz ," Progress In Electromagnetics Research Letters, Vol. 109, 119-125, 2023.

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