METHOD FOR MANUFACTURING CIRCUIT BOARD AND CIRCUIT BOARD
    141.
    发明申请
    METHOD FOR MANUFACTURING CIRCUIT BOARD AND CIRCUIT BOARD 审中-公开
    制造电路板和电路板的方法

    公开(公告)号:US20170034920A1

    公开(公告)日:2017-02-02

    申请号:US15039949

    申请日:2014-11-28

    Abstract: The present invention relates to a method for manufacturing a circuit board including the steps of preparing a substrate containing silicon at least at a surface, applying a paste containing aluminum particles onto the substrate, forming a conductor layer on the substrate by firing the substrate to which the paste has been applied, forming a resist film having a specific pattern on the conductor layer, and removing with an etchant, the conductor layer in a portion where the resist film has not been formed, the etchant containing fluoride ions and metal ions of a metal M of which standard electrode potential is higher in value than a standard electrode potential of aluminum, and to a circuit board which can be manufactured with such a method.

    Abstract translation: 本发明涉及一种制造电路板的方法,包括以下步骤:至少在表面上制备含有硅的衬底,将含有铝颗粒的糊料施加到衬底上,通过烧制衬底在基底上形成导体层, 已经施加了糊剂,在导体层上形成具有特定图案的抗蚀剂膜,并且用蚀刻剂除去未形成抗蚀剂膜的部分中的导体层,含有氟化物离子的蚀刻剂和金属离子的蚀刻剂 标准电极电位的值比铝的标准电极电位高的金属M,以及可以用这种方法制造的电路板。

    POWER-MODULE SUBSTRATE AND POWER MODULE
    146.
    发明申请
    POWER-MODULE SUBSTRATE AND POWER MODULE 有权
    电源模块基板和电源模块

    公开(公告)号:US20150223317A1

    公开(公告)日:2015-08-06

    申请号:US14423281

    申请日:2013-06-27

    Inventor: Sotaro Oi

    Abstract: To provide a power-module substrate having a multi-layered structure which can meet higher integration by improving a performance of a power-cycle and a performance of a heat cycle: a plurality of circuit-layer metal-plates 4A to 4E, 5A, and 5B made of copper or copper alloy are bonded in a layered state intermediating a first ceramic substrate 2; a metal member 12 connecting both the circuit-layer metal-plates disposed on both surfaces of the first ceramic substrate 2 is inserted into a through hole 11 formed in the first ceramic substrate 2; a second ceramic substrate 3 is bonded on a surface of one side of the circuit-layer metal-plates 4A to 4E, 5A and 5B in the layered state; and a heat-radiation-layer metal-plate 6 made of aluminum or aluminum alloy is bonded on a surface of the second ceramic substrate 3 counter to the circuit-layer metal-plates 4A to 4E, 5A, and 5B.

    Abstract translation: 提供具有多层结构的功率模块基板,其可以通过提高功率循环的性能和加热循环的性能来满足更高的集成度:多个电路层金属板4A至4E,5A, 由铜或铜合金制成的5B以中间化第一陶瓷基板2的层状结合; 将设置在第一陶瓷基板2的两面的电路层金属板连接的金属部件12插入到形成在第一陶瓷基板2中的通孔11中; 第二陶瓷基板3以层叠状态接合在电路层金属板4A〜4E,5A,5B的一侧的表面上; 在第二陶瓷基板3的与电路层金属板4A〜4E,5A,5B相反的表面上接合由铝或铝合金构成的散热层金属板6。

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