{HEAD ~ a first magnetic material layer} which comprises a magnetic material and has {TAIL ~ a first magnetization} directed in a direction perpendicular to a film surface 
has
{ HEAD ~ a first magnetic material layer } which comprises a magnetic material and has { TAIL ~ a first magnetization } directed in a direction perpendicular to a film surface
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH