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    Conductive paste and electronic part equipped with electrode wiring formed from same
    2.
    发明授权
    Conductive paste and electronic part equipped with electrode wiring formed from same 有权
    导电膏和电子部件配备有由其形成的电极布线

    公开(公告)号：US08945436B2

    公开(公告)日：2015-02-03

    申请号：US13203876

    申请日：2009-03-27

    Applicant: Takuya Aoyagi ,  Takashi Naito ,  Hiroki Yamamoto ,  Takahiko Kato

    Inventor： Takuya Aoyagi ,  Takashi Naito ,  Hiroki Yamamoto ,  Takahiko Kato

    IPC: H01B1/22 ,  H01L31/0224 ,  H01B1/16 ,  H01J11/22 ,  H01L31/0352 ,  H01L31/068

    CPC classification number: H01L31/022425 ,  H01B1/16 ,  H01J11/22 ,  H01J2211/225 ,  H01L31/03529 ,  H01L31/068 ,  H01L31/0682 ,  Y02E10/547

    Abstract: Provided is a conductive paste which contains an inexpensive metal, such as copper or aluminum, as an electrode wiring material and has oxidation resistance that enables the paste to withstand a high-temperature process performed in an oxidizing atmosphere and an electronic part equipped with electrode wiring formed from the paste. The electronic part in accordance with the present invention is equipped with electrode wiring that comprises a conductive glass phase containing transition metals and phosphorus, metal particles, and none of the substances prohibited by the RoHS directive. The electronic part is characterized in that each of the transition metals contained in the conductive glass phase is present in the state of having a plurality of oxidation numbers and that the proportion of the atoms which have the largest oxidation number for each transition metal satisfies a given relationship.

    Abstract translation: 本发明提供一种导电性糊剂，其含有诸如铜或铝的廉价金属作为电极配线材料，并且具有能够使膏体经受在氧化气氛中进行的高温处理和具有电极配线的电子部件的抗氧化性 由膏形成。 根据本发明的电子部件配备有包含含有过渡金属和磷，金属颗粒以及RoHS指令禁止的物质的导电玻璃相的电极配线。 电子部件的特征在于，导电性玻璃相中含有的过渡金属中的每一种以具有多个氧化数的状态存在，并且每个过渡金属具有最大氧化数的原子的比例满足给定的 关系。

    ELECTRONIC COMPONENT PROVIDED WITH CU-AL-CO-BASED ALLOY ELECTRODE OR WIRING
    3.
    发明申请
    ELECTRONIC COMPONENT PROVIDED WITH CU-AL-CO-BASED ALLOY ELECTRODE OR WIRING 有权
    电子元件提供基于铜合金的电极或接线

    公开(公告)号：US20120285733A1

    公开(公告)日：2012-11-15

    申请号：US13263359

    申请日：2010-04-08

    Applicant: Takahiko Kato ,  Takashi Naito ,  Hiroki Yamamoto ,  Takuya Aoyagi ,  Seiichi Watanabe ,  Seiji Miura ,  Norihito Sakaguchi ,  Kazuki Aoshima ,  Kenji Ohkubo

    Inventor： Takahiko Kato ,  Takashi Naito ,  Hiroki Yamamoto ,  Takuya Aoyagi ,  Seiichi Watanabe ,  Seiji Miura ,  Norihito Sakaguchi ,  Kazuki Aoshima ,  Kenji Ohkubo

    IPC: H01B1/02 ,  H05K1/09 ,  H01B5/00

    CPC classification number: C22C9/01 ,  C22C9/06 ,  H01J1/02 ,  H01J2211/225 ,  H01L31/022425 ,  H05K1/092 ,  Y02E10/50

    Abstract: An object of the present invention is to provide an electronic component using a Cu-based conductive material that can suppress oxidization even in a heat treatment in an oxidizing atmosphere and that can suppress an increase in an electrical resistance. In an electronic component having an electrode or a wiring, a ternary alloy made from three elements consisting of Cu, Al, and Co is used as a Cu-based wiring material that can prevent oxidization of the electrode or the wiring. Specifically, part or the whole of the electrode or the wiring has a chemical composition in which an Al content is 10 at % to 25 at %, a Co content is 5 at % to 20 at %, and the balance is composed of Cu and unavoidable impurities, and the chemical composition represents a ternary alloy in which two phases of a Cu solid solution formed by Al and Co being dissolved into Cu and a CoAl intermetallic compound coexist together.

    Abstract translation: 本发明的目的是提供一种使用Cu基导电材料的电子部件，即使在氧化气氛中的热处理中也能够抑制氧化，并且能够抑制电阻的增加。 在具有电极或布线的电子部件中，使用由Cu，Al和Co组成的三个元素制成的三元合金作为能够防止电极或布线的氧化的Cu系布线材料。 具体地说，电极或布线的一部分或全部具有Al含量为10原子％至25原子％的Co化学组成，Co含量为5原子％至20原子％，余量由Cu和 不可避免的杂质，化学组成表示三元合金，其中由Al和Co形成的Cu固溶体中的两相溶解于Cu和CoAl金属间化合物共存。

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