Patent ID: 6444336
Filing Date: 2002-09-03
Classification: C04B,H01L

Abstract:
A dielectric composite material comprising at least two crystal phases of different components with TiO2 as a first component and a material selected from the group consisting of Ba1âˆ’xSrxTiO3 where x is from 0.3 to 0.7, Pb1âˆ’xCaxTiO3 where x is from 0.4 to 0.7, Sr1âˆ’xPbxTiO3 where x is from 0.2 to 0.4, Ba1âˆ’xCdxTiO3 where x is from 0.02 to 0.1, BaTi1âˆ’xZrxO3 where x is from 0.2 to 0.3, BaTi1âˆ’xSnxO3 where x is from 0.15 to 0.3, BaTi1âˆ’xHfxO3 where x is from 0.24 to 0.3, Pb1âˆ’1.3LaxTiO3+0.2x where x is from 0.23 to 0.3, (BaTiO3)x(PbFe0.5Nb0.5O3)1âˆ’x where x is from 0.75 to 0.9, (PbTiO3)x(PbCo0.5W0.5O3)1âˆ’x where x is from 0.1 to 0.45, (PbTiO3)x(PbMg0.5W0.5O3)1âˆ’xwhere x is from 0.2 to 0.4, and (PbTiO3)x(PbFe0.5Ta0.5O3)1âˆ’xwhere x is from 0 to 0.2, as the second component.