[D-2-3] High Gain and High Directivity UWB Bow-tie Antenna with High Impedance Metamaterial Surface S. Kubota1, N. Sasaki1, Y. Kayaba1, W. Moriyama1, T. Kozaki1, T. Kikkawa1 (1.Hiroshima Univ.) https://doi.org/10.7567/SSDM.2009.D-2-3