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