According to an embodiment of the present invention, a subassembly for a phased array radar includes a substrate generally lying in a first plane, the substrate including a plurality of transmit/receive modules coupled to a mounting surface and a plurality of radiating elements formed adjacent the mounting...http://www.google.de/patents/US7511664?utm_source=gb-gplus-sharePatent US7511664 - Subassembly for an active electronically scanned array