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

Figure 10

The return loss and 3D radiation pattern for (a) the copper foil antenna and the additive technique antenna at 75°C for (b) 5 minutes, (c) 10 minutes, and (d) 15 minutes.

(a)

(b)

(c)

(d)