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dielectric compositions with high dielektrozitaetskonstante and fine korngroessen
dielectric compositions with high dielektrozitaetskonstante and fine korngroessen
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机译:高介电常数和细晶粒尺寸的介电组合物
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摘要
A composition comprising finely divided particles of modified barium titanate; and an admixture of calcium, titanium and manganese; the modified barium titanate particles containing Zr, Zn and Nb homogeneously distributed on an atomic scale throughout the particles according to the formula: BaTi1-(x+3y/2)(ZrxZny/2Nby) O3 wherein x=0.01-0.20 and y=0.005-0.075. This composition forms a dielectric layer having a Curie Temperature below 25 DEG C., a dielectric constant of at least 10,000 and grain size of 5 microns or less and is useful in multilayer electrical devices such as circuits and capacitors.
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