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    • 2. 发明申请
    • PRINTED WIRING BOARD
    • 印刷线路板
    • US20140014399A1
    • 2014-01-16
    • US13754185
    • 2013-01-30
    • IBIDEN CO., LTD.
    • Takashi KARIYAToshiki FURUTANITakeshi FURUSAWA
    • H05K1/02
    • H05K1/02H01L21/486H01L23/49816H01L23/49822H01L23/49827H01L23/49894H01L2924/0002H05K1/0271H05K3/4644H05K2201/029H05K2201/09136H01L2924/00
    • A printed wiring board includes a core substrate, first and second buildup structures on surfaces of the core, respectively, and first and second solder-resist layers on the first and second structures, respectively. The core includes insulative substrate, conductive layers on surfaces of the substrate and through-hole conductor connecting the conductive layers, the first structure includes interlayer insulation layer and conductive layer in the first structure, the second structure includes interlayer insulation layer and conductive layer in the second structure, a thickness between the outer surfaces of the first and second solder-resist layers is set in range of from 150 μm or greater and less than 380 μm, and at least one of the core, first and second structures, and first and second solder-resist layers includes reinforcing material in amount such that the board includes the material in amount in range of from 20 to 35 vol. %.
    • 印刷电路板分别包括芯基板,在芯的表面上的第一和第二累积结构以及分别在第一和第二结构上的第一和第二阻焊层。 芯包括绝缘衬底,衬底表面上的导电层和连接导电层的通孔导体,第一结构包括第一结构中的层间绝缘层和导电层,第二结构包括层间绝缘层和导电层 第二结构,第一和第二阻焊层的外表面之间的厚度设定在150μm以上且小于380μm的范围内,以及芯,第一和第二结构中的至少一个,以及第一和第二结构 第二阻焊层包括增强材料,其量使得该板包括量为20至35体积的材料。 %。
    • 5. 发明申请
    • PRINTED WIRING BOARD
    • 印刷线路板
    • US20160113110A1
    • 2016-04-21
    • US14918784
    • 2015-10-21
    • IBIDEN CO., LTD.
    • Takeshi FURUSAWAKota NODA
    • H05K1/02H05K1/11
    • H05K3/4697H05K1/0271H05K1/115H05K2201/068H05K2201/096H05K2201/09827
    • A printed wiring board includes a substrate, a first conductor layer formed on first surface of the substrate, a second conductor layer formed on second surface of the substrate, a through-hole conductor penetrating through the substrate and connecting the first and second conductor layers, a build-up layer formed on the second surface of the substrate and including conductor layers and insulating layers, and a first insulating layer formed on the first surface of the substrate such that the first insulating layer is covering the first conductor layer on the substrate. The substrate has a cavity penetrating through the first insulating layer and substrate such that the cavity is exposing the build-up layer on the second surface of the substrate, and the substrate and insulating layers in the build-up layer are formed such that difference between thermal expansion coefficients of the substrate and insulating layers is set 15 ppm or less.
    • 印刷电路板包括基板,形成在基板的第一表面上的第一导体层,形成在基板的第二表面上的第二导体层,穿透基板并连接第一和第二导体层的通孔导体, 形成在基板的第二表面上并包括导体层和绝缘层的积层,以及形成在基板的第一表面上的第一绝缘层,使得第一绝缘层覆盖基板上的第一导体层。 衬底具有穿透第一绝缘层和衬底的空腔,使得空腔暴露衬底的第二表面上的堆积层,并且形成积层中的衬底和绝缘层,使得 基板和绝缘层的热膨胀系数设定为15ppm以下。