Conductive bonding material, electronic component, and electronic device
    37.
    发明专利
    Conductive bonding material, electronic component, and electronic device 审中-公开
    导电粘接材料,电子元件和电子器件

    公开(公告)号:JP2013119089A

    公开(公告)日:2013-06-17

    申请号:JP2011266729

    申请日:2011-12-06

    Abstract: PROBLEM TO BE SOLVED: To provide a conductive bonding material surely mountable by primary reflow heating and prevented from re-melting in secondary reflow heating, an electronic component using the conductive bonding material, and an electronic device with the electronic component mounted thereon.SOLUTION: The conductive bonding material contains copper particles coated with either gallium or a gallium alloy, and either tin particles or tin alloy particles. It is prefarably that the gallium alloy is one of Ga-Ni alloy, a Ga-Cu alloy, a Ga-Sn alloy and a Ga-Au alloy, the volume average particle diameter of copper particles is 0.5 μm or more and 30 μm or less, the average thickness of a coating film containing either the gallium or the gallium alloy is 0.5 μm or more and 10 μm or less, and the like.

    Abstract translation: 要解决的问题:为了提供可通过初级回流加热可靠地安装的导电接合材料,并且防止二次回流加热中的再熔化,使用导电接合材料的电子部件以及安装有电子部件的电子器件 。

    解决方案:导电接合材料包含用镓或镓合金涂覆的铜颗粒,以及锡颗粒或锡合金颗粒。 优选的是,镓合金是Ga-Ni合金,Ga-Cu合金,Ga-Sn合金和Ga-Au合金之一,铜粒子的体积平均粒径为0.5μm以上且30μm以下 含镓或镓合金的涂膜的平均厚度为0.5μm以上且10μm以下。 版权所有(C)2013,JPO&INPIT

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