Multi-layer ceramic electronic device and method for producing same
    1.
    发明授权
    Multi-layer ceramic electronic device and method for producing same 有权
    多层陶瓷电子器件及其制造方法

    公开(公告)号:US06400553B2

    公开(公告)日:2002-06-04

    申请号:US09840904

    申请日:2001-04-25

    IPC分类号: H01G406

    CPC分类号: H01G4/232 H01C1/148

    摘要: A multi-layer ceramic electronic device having a device body including alternately arranged dielectric layers and internal electrode layers and external electrodes formed on an outer surface of the device body, wherein the external electrodes have an undercoat layer directly formed on the outer surface of the device body so as to be electrically connected with at least part of the internal electrode layers, an intermediate layer formed on the outer surface of the undercoat layer, and an outer layer formed on the outer surface of the intermediate layer; the undercoat layer includes a first conductive material mainly made of copper and a first glass ingredient; the intermediate layer includes a second conductive material mainly made of a copper-palladium-based alloy; and the outer layer includes a third conductive material mainly made of silver and further containing palladium and a second glass ingredient.

    摘要翻译: 一种多层陶瓷电子器件,其具有包括交替布置的电介质层和形成在器件主体的外表面上的内部电极层和外部电极的器件本体,其中外部电极具有直接形成在器件的外表面上的底涂层 与内部电极层的至少一部分电连接,形成在底涂层的外表面上的中间层和形成在中间层的外表面上的外层; 底涂层包括主要由铜制成的第一导电材料和第一玻璃成分; 中间层包括主要由铜 - 钯基合金制成的第二导电材料; 并且外层包括主要由银制成并且还含有钯和第二玻璃成分的第三导电材料。