In such case, a height of the magnetic member is preliminarily set such that the magnetic member protrudes from the surface of the substrate and removing {HEAD ~ the protruded portion} of {TAIL ~ the magnetic member} regulates an amount of protrusion 
of
In such case , a height of the magnetic member is preliminarily set such that the magnetic member protrudes from the surface of the substrate and removing { HEAD ~ the protruded portion } of { TAIL ~ the magnetic member } regulates an amount of protrusion
OTH OTH OTH 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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH