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