In the nonreciprocal circuit device, a resin layer is formed on {HEAD ~ the surface} of {TAIL ~ a metal case} 
of
In the nonreciprocal circuit device , a resin layer is formed on { HEAD ~ the surface } of { TAIL ~ a metal case }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL