Fabrication of a Flexible RFID Antenna by Using the Novel Environmentally Friendly Additive Process

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Processes</td><td class="align_center">RFID copper foil sample-subtractive method</td><td class="align_center">Novel additive method RFID sample at 75°C</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Reading distance (m)</td><td class="align_center">8.5</td><td class="align_center">9</td></tr><tr><td class="align_left">Impedance (Ω)</td><td class="align_center">0.637</td><td class="align_center">0.245</td></tr><tr><td class="align_left">Maximum gain (dBi)</td><td class="align_center">2.24</td><td class="align_center">2.87</td></tr><tr><td class="align_left">Maximum efficiency (%)</td><td class="align_center">51.14</td><td class="align_center">53.63</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of performance for RFID tag antenna with Schottky diode by using the subtractive process and the novel additive process.</div>

International Journal of Antennas and Propagation

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Table 4

Table 4: Fabrication of a Flexible RFID Antenna by Using the Novel Environmentally Friendly Additive Process 