The inductor coil is formed of {HEAD ~ a bi layer metal laminate} that has {TAIL ~ an inner metal layer} and an outer metal layer 
has
The inductor coil is formed of { HEAD ~ a bi layer metal laminate } that has { TAIL ~ an inner metal layer } and an outer metal layer
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH