US Patent 11069953 Electrically small antenna

An electrically small low profile antenna is disclosed. The antenna comprises circuit board comprising a composite laminate, formed of a magnetic material and having at least one antenna element disposed on a top surface of the composite laminate, a conductive ground plane disposed on a bottom surface of the composite laminate, and a conductor, extending through the composite laminate between the top surface and the bottom surface of the composite laminate, the conductor forming a microstrip feed extending from an antenna input to the antenna element.