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    • 35. 发明公开
    • Low temperature sintered ceramic capacitor with a temperature compensating capability, and method of manufacture
    • 具有温度补偿能力的低温烧结陶瓷电容器及其制造方法
    • EP0225521A3
    • 1989-04-26
    • EP86116113.1
    • 1986-11-20
    • Taiyo Yuden Co., Ltd.
    • Kishi, HiroshiOshio, Minoru TaiyosoMurai, Shunji, TaiyosoWada, Takeshi, TaiyosoFukui, Masami
    • C04B35/49H01G4/12H01B3/12
    • H01G4/008C04B35/486C04B35/49H01G4/1245
    • A temperature compensating capacitor of monolithic or multilayered configuration comprising a dielectric ceramic body and at least two electrodes buried therein. The ceramic body is composed of a major ingredient expressed by the formula, (SrO) k ·(Zr 1-x Ti x )O 2 , where k and x are numerals in the ranges of 0.8 to 1.3 inclusive and of zero to 0.25 inclusive, respectively. To this major ingredient is added a minor proportion of a mixture of boric oxide, silicon dioxide, and one or more metal oxides selected from among barium oxide, magnesium oxide, zinc oxide, strontium oxide and calcium oxide. For the fabrication of capacitors the mixture of the above major ingredient and additives in finely divided form are formed into moldings of desired shape and size, each with at least two electrodes buried therein. The moldings and electrodes are cosintered in a reductive or neutral atmosphere and then are reheated at a lower temperature in an oxidative atmosphere. The cosintering temperature can be so low that nickel or like base metal can be employed as the electrode material.
    • 一种整体式或多层结构的温度补偿电容器,包括一个介电陶瓷体和埋入其中的至少两个电极。 陶瓷体由以下式表示的主要成分组成:(SrO)k·(Zr1-xTix)O2,其中k和x分别为0.8至1.3的范围内的数字和0至0.25的数值。 向该主要成分中加入少量的氧化硼,二氧化硅和一种或多种选自氧化钡,氧化镁,氧化锌,氧化锶和氧化钙的金属氧化物的混合物。 为了制造电容器,将上述主要成分和细分形式的添加剂的混合物制成具有所需形状和尺寸的模制品,每个模制品至少埋有两个电极。 将模制品和电极在还原性或中性气氛中共染料,然后在氧化气氛中在较低温度下再加热。 余氯的温度可以低到可以使用镍或类似的基体金属作为电极材料。