A broadband phased antenna is comprised of multiple patches which are dirly feed. The multiple patches provide the broadband patch antenna having overlapping narrow frequency bands and comprise a ground-plane element, multiple antenna elements, multiple dielectric layers, an RF feed line, and a feed...http://www.google.de/patents/US6118406?utm_source=gb-gplus-sharePatent US6118406 - Broadband direct fed phased array antenna comprising stacked patches
