Double Loop Inductive Feed Patch Antenna Design for Antimetal UHF RFID Tag

<div>The surface currents of the loop inductive feed planar antenna. (a) One loop inductive feed planar antenna; (b) Double loop inductive feed planar antenna.</div>

International Journal of Antennas and Propagation

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Figure 2

Figure 2: Double Loop Inductive Feed Patch Antenna Design for Antimetal UHF RFID Tag 