摘要:
A dielectric ceramic composition for microwave applications consists essentially of the compound having a formula B'B.sub.2 "O.sub.6, wherein B' is at least one metal selected from the group of Mg, Ca, Co, Mn,Ni and Zn, and wherein B" is one of Nb or Ta, and additionally includes at least one compound selected from the group of CuO, V.sub.2 O.sub.5, La.sub.2 O.sub.3, Sb.sub.2 O.sub.5, WO.sub.3, MnCO.sub.3, MgO, SrCO.sub.3, ZNO, and Bi.sub.2 O.sub.3 as an additive, wherein the amount of the additive is 0.05% to 2.0% by weight of the total weight of the composition.
摘要:
The disclosed invention relates to Bi2O3—ZnO—Ta2O5 dielectric compounds and compositions, and to their manufacture. The compounds of the invention have outstanding K, Q, TCF, and TCC. Examples of these properties include a K of between 58 and 80, a low dielectric loss (tan &dgr;
摘要:
A low temperature sinterable dielectric ceramic composition, as well as a multilayer ceramic chip capacitor and a ceramic electronic device. The dielectric ceramic composition comprises a major composition represented by the general formula: x{αBaO, (1−α)SrO}-y{SiO2}-z{(1−β)ZrO2, β Al2O3} (wherein x, y and z are weight percentages; x+y+z=100, 55≦x≦75, 10≦y≦35, and 5≦z≦30, α and β are moles; 0.4≦α≦0.8, and 0.01≦β≦0.07) and 2 to 10 parts by weight of a Zn—B-silicate glass composition, per 100 parts by weight of the major composition. The multilayer ceramic chip capacitor and a multilayer ceramic circuit board for the electronic device comprise a plurality of dielectric ceramic layers, internal electrodes arrayed inside the dielectric ceramic layers, and outer electrodes electrically connected to the internal electrodes, characterized in that the dielectric ceramic layer is a sintered body of the dielectric ceramic composition mentioned above, and the internal electrode is made of a conductive base metal material.
摘要翻译:低温可烧结介电陶瓷组合物,以及多层陶瓷片状电容器和陶瓷电子器件。 介电陶瓷组合物包含由以下通式表示的主要组成:x {αBaO,(1-α)SrO} -y {SiO 2} -z {(1-β)ZrO 2,其中x,y和z是重量百分比; x + y + z = 100,55 <= x < = 75,10 <= y <= 35,5 <= z <= 30,α和β为摩尔数;0.4≤α≤0.8,0.01≤β≤0.07)和2〜10重量份 的Zn-B硅酸盐玻璃组合物,每100重量份的主要组成。 多层陶瓷片状电容器和用于电子器件的多层陶瓷电路板包括多个电介质陶瓷层,排列在电介质陶瓷层内部的内部电极和与内部电极电连接的外部电极,其特征在于介电陶瓷层为 上述介电陶瓷组合物的烧结体,内部电极由导电性基体金属材料构成。