Dust core with {HEAD ~ specific relationship} between {TAIL ~ particle diameter} and coating thickness, and method for producing same 
between
Dust core with { HEAD ~ specific relationship } between { TAIL ~ particle diameter } and coating thickness , and method for producing same
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH