Patent ID: 6649554
Filing Date: 2003-11-18
Classification: B32B,C04B,H01G

Abstract:
A dielectric composition with increased homogeneity and insulation resistance, comprising a dielectric component represented by the following chemical formula 1 and a sintering aid represented by the following chemical formula 2:(Ba1âˆ’xâˆ’yCaxAy)m(Ti1âˆ’aâˆ’bâˆ’cZraBâ€²bBâ€³c)O3+mâ€ƒâ€ƒChemical Formula 1 wherein 0.01&lE;x&lE;0.10, 0.003&lE;y&lE;0.015, 0.16&lE;a&lE;0.20, 0.003&lE;b&lE;0.015, 0&lE;c&lE;0.015, 1.000&lE;m&lE;1.010; the component A is selected from the group consisting of Y oxides, La oxides, Ho oxides, Dy oxides, Er oxides, Hf oxides and combinations thereof; the component Bâ€² is selected from the group consisting of Mn oxides, Co oxides, Ni oxides and combinations thereof; and the component Bâ€³ is selected from the group consisting of V oxides, Nb oxides, Ta oxides and combinations thereof; zLi2O-2(1-z)SiO2(0&lE;z&lE;0.9)â€ƒâ€ƒChemical Formula 2.