Dielectric ceramic composition

摘要

A dielectric ceramic composition of high dielectric constant and low dielectric loss, which can be co-fired with Ag electrodes, is provided for use in various parts of electric and electronic appliances. The composition is represented by the following chemical formula:a wt. % {x BaO-y1 Nd2O3-y2 Sm2O3-w Bi2O3-z TiO2}+b wt. % (ZnO-B2O3-SiO2-PbO based glass frit)+c wt. % CuOwherein, 10.0 mol %<=x<=20.0 mol %; 7.0 mol %<=y1+y2<=20.0 mol %; 0.5 mol %<=w<=5.0 mol %; 60.0 mol %<=z<=80.0 mol %, with the proviso that x+y1+y2+w+z=100; 80.0 wt. %<=a<=98.0 wt. %; 1.0 wt. %<=b<=10.0 wt. %; 1.0 wt. %<=c<=10.0 wt. %.