Patent ID: 6740614
Filing Date: 2004-05-25
Classification: C03C,C04B

Abstract:
A dielectric ceramic composition, represented by the following chemical formula 1:Chemical Formula 1 a wt. % {x BaOâ€”y1Nd2O3â€”y2Sm2O3â€”w Bi2O3â€”z TiO2}+b wt. % (ZnOâ€”B2O3â€”SiO2â€”PbO based glass frit)+c wt. % CuO wherein, 10.0 mol %&lE;x&lE;20.0 mil %; 7.0 mol %&lE;y1+y2&lE;20.0 mol %; y2&gE;1 mol%; 0.5 mol %&lE;w&lE;5.0 mol %; 60.0 mol %&lE;z&lE;80.0 mol %, with the proviso that x+y1+y2+w+z=100; 80.0 wt. %&lE;a&lE;98.0 wt. %; 1.0 wt. %&lE;b&lE;10.0 wt. %; 1.0 wt. %&lE;c&lE;10.0 wt. %.