The method 14, wherein {HEAD ~ each} of the magnetic particles has {TAIL ~ an easy axis} parallel to a surface of the substrate 
has
The method 14 , wherein { HEAD ~ each } of the magnetic particles has { TAIL ~ an easy axis } parallel to a surface of the substrate
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH