A method of manufacturing electric machines comprised of geometrically patterned arrays of permanent magnets, soft magnetic materials, and electrical conductors deposited by kinetic spraying methods directly atop a carrier. The magnets and planar coils of the present invention may be integrally formed...http://www.google.com.au/patents/US6592935?utm_source=gb-gplus-sharePatent US6592935 - Method of manufacturing electromagnetic devices using kinetic spray
