Flexible Microstrip Antenna for Skin Contact Application

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="745426.fig.002a" src="https://static.hindawi.com/articles/ijap/volume-2012/745426/figures/745426.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b><svg height="16.15" id="M10" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 29.275 16.15" width="29.275" 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="M457 488l-30 -3q-17 148 -131 148q-53 0 -84.5 -34.5t-31.5 -82.5q0 -42 25.5 -72t74.5 -62l33 -22q63 -42 95 -85t32 -102q0 -84 -67 -137t-163 -53q-58 0 -113 22t-70 43l-4 152l27 4q4 -32 15 -62.5t31 -59.5t53.5 -47t76.5 -18q56 0 92 35t36 96q0 39 -25 70t-78 68
l-31 22q-32 23 -53.5 41.5t-45 57t-23.5 77.5q0 82 58 132.5t156 50.5q46 0 101 -17l18.5 -6t17 -6t8.5 -3q-4 -55 0 -147z" id="x1D446"></path></g>
<g transform="matrix(.012,0,0,-.012,12.688,16.088)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.012,0,0,-.012,18.399,16.088)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
<g transform="matrix(.017,0,0,-.017,24.738,12.013)"><path d="M162 -163h-61v866h61v-866z" id="x7C"></path></g>
</svg> parameter of the antenna with and without skin layer</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="745426.fig.002b" src="https://static.hindawi.com/articles/ijap/volume-2012/745426/figures/745426.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Radiation pattern </td></tr></table></td></tr></table>

<table>Simulation results of the initial flexible microstrip antenna design before modifying for optimized skin contact operation. </table>

International Journal of Antennas and Propagation

Flexible Microstrip Antenna for Skin Contact Application

Figure 2