The sintered dielectric ceramic 1 wherein {HEAD ~ the sintering aid} consists essentially of {TAIL ~ boron oxide}, barium oxide, and zinc oxide 
consists essentially of
The sintered dielectric ceramic 1 wherein { HEAD ~ the sintering aid } consists essentially of { TAIL ~ boron oxide } , barium oxide , and zinc oxide
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH