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    • 5. 发明专利
    • Conductive paste
    • 导电胶
    • JP2014167914A
    • 2014-09-11
    • JP2014043774
    • 2014-03-06
    • Hitachi Ltd株式会社日立製作所Hitachi Chemical Co Ltd日立化成株式会社
    • AOYAGI TAKUYANAITO TAKASHIHASHIBA YUJIYOSHIMURA KEITACHIZONO SHINICHI
    • H01B1/22C09D5/24C09D7/12C09D201/00C09J9/02C09J11/04C09J201/00H01B1/00H01B1/16H05K1/09
    • PROBLEM TO BE SOLVED: To provide a conductive paste which is used for electrode wiring having high water resistance and humidity resistance and having high reliability.SOLUTION: In a conductive paste, a plurality of particles 4 formed of aluminum and/or an alloy including aluminum, and a powder comprising an oxide 5 are dispersed in a binder resin dissolved in a solvent. The oxide 5 has a glass phase 5a, and contains vanadium having a valence of 4 or less. The powder is contained in an amount of 0.1-10 pts.wt. based on 100 pts.wt. of the particles 4. The particles 4 comprise a particle group having a volume percentage of about 95% in a particle diameter range of 0.5 μm and more and less than 1.5 μm, and a particle group having a volume percentage of about 95% in a particle diameter range of 1.5 μm and more and less than 8 μm. The vanadium having a valence of 4 or less is contained in an amount of 60% or more by atom number. The oxide 5 contains at least one of copper (Cu) and boron (B).
    • 要解决的问题:提供一种用于具有高耐水性和耐湿性并且具有高可靠性的电极布线的导电浆料。解决方案:在导电浆料中,由铝和/或包含铝的合金形成的多个颗粒4 ,并且将包含氧化物5的粉末分散在溶解在溶剂中的粘合剂树脂中。 氧化物5具有玻璃相5a,并且含有4价以下的钒。 该粉末的含量为0.1-10重量份 基于100重量 的颗粒4.粒子4包含在0.5μm以上且小于1.5μm的粒径范围内的体积百分比为约95%的粒子群,以及粒子群体的体积百分比为约95%的粒子群 粒径范围为1.5μm以上且小于8μm。 化合价为4以下的钒的含量为原子数的60%以上。 氧化物5含有铜(Cu)和硼(B)中的至少一种。