Non-reducing dielectric ceramic composition
    10.
    发明授权
    Non-reducing dielectric ceramic composition 失效
    非还原电介质陶瓷组合物

    公开(公告)号:US5403797A

    公开(公告)日:1995-04-04

    申请号:US187103

    申请日:1994-01-21

    CPC分类号: H01G4/1227 C04B35/4682

    摘要: To provide a non-reducing dielectric ceramic composition for multilayer ceramic capacitor, in which decrease of specific resistance and shortening of life time do not occur due to reduction of dielectric ceramic composition even when it is fired in neutral or reducing atmosphere and capacitance does not vary extensively due to temperature change, the non-reducing dielectric ceramic composition according to the present invention comprises 86.32 to 97.64 mols of BaTiO.sub.3, 0.01 to 10.00 mols of Y.sub.2 O.sub.3, 0.01 to 10.00 mols of MgO, and 0.001 to 0.200 mol of V.sub.2 O.sub.5. An additive containing 0.01 to 1.0 mol % of at least one or more of MnO, Cr.sub.2 O.sub.3, or Co.sub.2 O.sub.3, and further, an additive containing 0.5 to 10.0 mol % of {Ba.sub.A, Ca.sub.(1-A) }SiO.sub.3 (where 0.ltoreq.A.ltoreq.1) may be added.

    摘要翻译: 为了提供一种用于多层陶瓷电容器的非还原电介质陶瓷组合物,其中即使在中性或还原性气氛中烧制时介电陶瓷组合物的还原也不会发生电阻率的降低和寿命缩短,并且电容不变 广泛地由于温度变化,本发明的非还原电介质陶瓷组合物包含86.32至97.64摩尔的BaTiO 3,0.01至10.00摩尔的Y 2 O 3,0.01至10.00摩尔的MgO和0.001至0.200摩尔的V 2 O 5。 含有0.01〜1.0摩尔%的MnO,Cr 2 O 3或Co 2 O 3中的至少一种以上的添加剂,以及含有0.5〜10.0摩尔%的{BaA,Ca(1-A)} SiO 3(其中0 < = A