Patent ID: 6335301
Filing Date: 2002-01-01
Classification: C04B,H01G

Abstract:
A dielectric ceramic composition, comprising:a main component expressed by a composition formula [SrZrO3]x+[CaTiO3](1âˆ’x) wherein â€œxâ€  indicating a mole ratio in the composition formula satisfies 1.00&gE;x&gE;0.60; and a sub component including at least B2O3, SiO2 and Li2O, and satisfying: 1.80>a&gE;0.25 1.80>b&gE;0.20 1.80>c&gE;0 1.10>d&gE;0 6.30>e&gE;0.05 10.00>a+b+c+d+e&gE;0.50 â€ƒwhere a content ratio of B2O3 is â€œaâ€  parts by weight, a content ratio of SiO2 is â€œbâ€  parts by weight, a content ratio of ZnO is â€œcâ€  parts by weight, a content ratio of Al2O3 is â€œdâ€  parts by weight and a content ratio of Li2O is â€œeâ€  parts by weight with respect to 100 parts by weight of said main component.