The non magnetic bump layer 1202 is preferably deposited by ion beam deposition, and shadowing from the overhanging bi layer mask 1004 allows {HEAD ~ the edge} 1204 to have {TAIL ~ the desired tapered shape} 
to have
The non magnetic bump layer 1202 is preferably deposited by ion beam deposition , and shadowing from the overhanging bi layer mask 1004 allows { HEAD ~ the edge } 1204 to have { TAIL ~ the desired tapered shape }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL