Dielectric ceramic materials with insulated boundaries between {HEAD ~ crystal grains}, and process for {TAIL ~ preparation} 
Dielectric ceramic materials with insulated boundaries between { HEAD ~ crystal grains } , and process for { TAIL ~ preparation }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL