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