Effect of Substrate Material on the Electromagnetic Properties of the Photolithography Printed Antenna

Figure 11

Radiation pattern at various resonating frequencies. (a) At 2.1 GHz, (b) at 2.6 GHz, (c) at 4.6 Hz, (d) at 5.5 GHz, (e) at 6.1 GHz, and (f) at 7.1 GHz.

(a)

(b)

(c)

(d)

(e)

(f)