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    • 69. 发明授权
    • Circuit board
    • 电路板
    • US07759583B2
    • 2010-07-20
    • US11528683
    • 2006-09-28
    • Makoto MuraiRyosuke Usui
    • Makoto MuraiRyosuke Usui
    • H05K1/11
    • H05K3/421H05K1/0373H05K3/0055H05K3/4626H05K2201/0209H05K2201/09509Y10T428/24917Y10T428/24926
    • A circuit board, having improved adhesion between its via conductor and insulating layer, is provided. The circuit board includes a first wiring layer, a second wiring layer, the insulating layer, a filler, and the via conductor. The first wiring layer and the second wiring layer are electrically insulated from each other by the insulating layer. The filler which has a favorable thermal conductivity is added into the insulating layer. The via conductor establishing electrical connection between the first wiring layer and the second wiring layer is formed in a predetermined position of the insulating layer. The via conductor is in direct contact with part of the filler added into the insulating layer.
    • 提供了一种电路板,其通孔导体和绝缘层之间具有改善的粘合性。 电路板包括第一布线层,第二布线层,绝缘层,填料和通孔导体。 第一布线层和第二布线层通过绝缘层彼此电绝缘。 将具有良好导热性的填料加入到绝缘层中。 在第一布线层和第二布线层之间建立电连接的通孔导体形成在绝缘层的预定位置。 通孔导体与添加到绝缘层中的填料的一部分直接接触。