Figure 4

Surface currents on the front patterned metallic layer at (a) 9.7 and (b) 10.3 GHz when d = 0.5 mm. The black boxes and arrows indicate the magnified areas.

Surface currents on the front patterned metallic layer at (a) 9.7 and (b) 10.3 GHz when d = 0.5 mm. The black boxes and arrows indicate the magnified areas.