A planar coil construction, especially adapted for use in a force-producing device such as a de-icer, includes first and second sheet-like members, each defined by a continuous electrical conductor having a plurality of turns and first and second ends. The first end of the first conductor defines an...http://www.google.es/patents/US5142767?utm_source=gb-gplus-sharePatente US5142767 - Method of manufacturing a planar coil construction
Method of manufacturing a planar coil construction
