Patent ID: 6274526
Filing Date: 2001-08-14
Classification: C04B

Abstract:
A dielectric ceramic composition for microwave which comprises a basic: composition represented by compositional formula: 2aBaO--bLn.sub.2 O.sub.3 --cBi.sub.2 O.sub.3 --2dTiO.sub.2, wherein Ln.sub.2 O.sub.3 represents (eNd.sub.2 O.sub.3 +fSm.sub.2 O.sub.3 +gEu.sub.2 O.sub.3); a+b+c+d=1; and e+f+g=1, in which 0.0913<a.ltoreq.0.1429, 0.2098<b<0.3003, 0<c<0.0856, 0.5714.ltoreq.d<0.6043, 0.27<e<0.80, 0.18<f<0.70, 0<g<0.20, and 0.15<a/d<0.25.