The bottom shield layer 10 and the top shield layer 30, each having a thickness of about 1 μm, each are composed of {HEAD ~ a soft magnetic material} that exhibits {TAIL ~ a satisfactory magnetic shielding effect}, for example, an iron nickel alloy  
exhibits
The bottom shield layer 10 and the top shield layer 30 , each having a thickness of about 1 μm , each are composed of { HEAD ~ a soft magnetic material } that exhibits { TAIL ~ a satisfactory magnetic shielding effect } , for example , an iron nickel alloy
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 HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH