Inkjet Printed Planar Coil Antenna Analysis for NFC Technology Applications

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left"></td><td align="center" colspan="2">Comparison</td><td align="center"><svg height="14.85" id="M64" style="vertical-align:-2.22495pt" version="1.1" viewbox="0 0 17.6875 14.85" width="17.6875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,12.013)"><path d="M162 -163h-61v866h61v-866z" id="x7C"></path></g><g transform="matrix(.017,0,0,-.017,4.533,12.013)"><path d="M485 501l-30 -4q-15 64 -35 90q-12 16 -33.5 22t-68.5 6h-74q-21 0 -26.5 -5t-5.5 -26v-458q0 -62 15.5 -78t83.5 -20v-28h-270v28q58 4 72 20t14 78v399q0 61 -13.5 77t-71.5 20v28h433q0 -51 10 -149z" id="x393"></path></g><g transform="matrix(.017,0,0,-.017,13.152,12.013)"><path d="M162 -163h-61v866h61v-866z" id="x7C"></path></g>
</svg> [dB]</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left" rowspan="3">4 layers</td><td align="center">A</td><td align="center">S</td><td align="center">−25.16</td></tr><tr><td align="center">A</td><td align="center">M</td><td align="center">−21.94</td></tr><tr><td align="center">S</td><td align="center">M</td><td align="center">−20.35</td></tr><tr><td align="left" colspan="4"><hr/></td></tr><tr><td align="left" rowspan="3">6 layers</td><td align="center">A</td><td align="center">S</td><td align="center">−22.78</td></tr><tr><td align="center">A</td><td align="center">M</td><td align="center">−15.39</td></tr><tr><td align="center">S</td><td align="center">M</td><td align="center">−14.08</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

tab4

Table 4

Table 4: Inkjet Printed Planar Coil Antenna Analysis for NFC Technology Applications 