The method 8, wherein {HEAD ~ the step} of smoothing comprises coating the screened grains with a metal film having {TAIL ~ a heat conductivity} substantially the same as that of the magnetic material 
The method 8 , wherein { HEAD ~ the step } of smoothing comprises coating the screened grains with a metal film having { TAIL ~ a heat conductivity } substantially the same as that of the magnetic material
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH