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    • 16. 发明授权
    • Printed wiring board
    • 印刷电路板
    • US09185799B2
    • 2015-11-10
    • US13836123
    • 2013-03-15
    • IBIDEN CO., LTD.
    • Naoto IshidaTakema Adachi
    • H05K1/00H05K1/03H05K3/46H05K1/02H05K1/18
    • H05K1/0306H01L2224/16227H01L2224/81192H01L2924/15311H01L2924/3511H05K1/0271H05K1/185H05K3/4673H05K2201/0209H05K2201/068
    • A printed wiring board includes a core substrate including an insulative substrate, a first conductive layer formed on first surface of the insulative substrate, and a second conductive layer formed on second surface of the insulative substrate, a first buildup laminated on first surface of the core and including an interlayer insulation layer, a conductive layer formed on the insulation layer, and a via conductor penetrating through the insulation layer and connected to the conductive layer, and a second buildup laminated on second surface of the core and including an interlayer insulation layer, a conductive layer formed on the interlayer insulation layer, and a via conductor penetrating through the insulation layer and connected to the conductive layer. The insulation layer of the first buildup has thermal expansion coefficient set higher than thermal expansion coefficient of the insulation layer of the second buildup.
    • 印刷电路板包括具有绝缘基板的芯基板,形成在绝缘基板的第一面上的第一导电层和形成在绝缘基板的第二面上的第二导电层,层叠在芯的第一面上的第一积层 并且包括层间绝缘层,形成在所述绝缘层上的导电层和穿过所述绝缘层并连接到所述导电层的通孔导体,以及层叠在所述芯的第二表面上并包括层间绝缘层的第二堆积层, 形成在层间绝缘层上的导电层和穿过绝缘层并连接到导电层的通孔导体。 第一次堆积的绝缘层的热膨胀系数设定为高于第二次堆积的绝缘层的热膨胀系数。
    • 17. 发明授权
    • Printed wiring board and method for manufacturing the same
    • 印刷电路板及其制造方法
    • US09078366B2
    • 2015-07-07
    • US14041858
    • 2013-09-30
    • IBIDEN CO., LTD.
    • Takema Adachi
    • H05K1/03H05K1/11H05K3/46H05K3/42
    • H05K1/036H05K3/427H05K3/429H05K3/4602H05K3/465H05K3/4676H05K2201/09854Y10T29/49165
    • A printed circuit board has a core substrate, a first conductive pattern on first surface of the substrate, a second conductive pattern on second surface of the substrate, and a through-hole conductor formed of plated material through the substrate such that the conductor is connecting the first and second patterns. The plated material is filling a through hole in the substrate, the substrate includes an insulation layer including inorganic fiber and resin, a first resin layer on one surface of the insulation layer and having the first surface of the substrate, and a second resin layer on the opposite surface of the insulation layer and having the second surface of the substrate, the first and second resin layers do not contain inorganic fiber material, and the sum of thicknesses of the first and second resin layers is set in the range of 20% or less of thickness of the substrate.
    • 印刷电路板具有芯基板,在基板的第一表面上的第一导电图案,在基板的第二表面上的第二导电图案,以及由电镀材料穿过基板形成的通孔导体,使得导体连接 第一和第二种模式。 电镀材料填充基板中的通孔,基板包括绝缘层,其包括无机纤维和树脂,在绝缘层的一个表面上具有第一树脂层并且具有基板的第一表面,以及第二树脂层, 绝缘层的相对表面并具有基板的第二表面,第一和第二树脂层不含有无机纤维材料,第一和第二树脂层的厚度之和设定在20%的范围内 衬底厚度较小。