wherein the imbedded electrode is formed in {TAIL ~ the shape} of a curvilinear winding or in {HEAD ~ the shape} of a curvilinear winding with reversals in direction, 
wherein the imbedded electrode is formed in { TAIL ~ the shape } of a curvilinear winding or in { HEAD ~ the shape } of a curvilinear winding with reversals in direction ,
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH