Multilayered substrate
    24.
    发明授权
    Multilayered substrate 有权
    多层基材

    公开(公告)号:US09474167B2

    公开(公告)日:2016-10-18

    申请号:US14061160

    申请日:2013-10-23

    Abstract: Disclosed herein is a multilayered substrate including: a second insulating layer having a fine pattern layer formed on an upper surface thereof; and a third insulating layer having a circuit pattern layer formed on an upper surface thereof and formed of a material different from the second insulating layer, the circuit pattern layer having a pattern pitch larger than that of the fine pattern layer, thereby making it possible to solve a warpage problem and perform refinement and improvement in a degree of integration of an inner wiring.

    Abstract translation: 本文公开了一种多层基板,包括:在其上表面上形成有精细图案层的第二绝缘层; 以及第三绝缘层,其具有形成在其上表面上并且由与第二绝缘层不同的材料形成的电路图案层,该电路图案层具有比精细图案层的间距大的图案间距,从而使得可以 解决翘曲问题,并且在内部布线的集成度方面进行细化和改进。

    MULTI-LAYER PRINTED CIRCUIT BOARDS SUITABLE FOR LAYER REDUCTION DESIGN
    28.
    发明申请
    MULTI-LAYER PRINTED CIRCUIT BOARDS SUITABLE FOR LAYER REDUCTION DESIGN 有权
    多层印刷电路板适用于层间减少设计

    公开(公告)号:US20160120018A1

    公开(公告)日:2016-04-28

    申请号:US14554923

    申请日:2014-11-26

    Abstract: A multi-layer printed circuit board comprises: at least two insulation layers, respectively having glass fiber cloth and cured resin covering thereon, the insulation layers being stacked on each other; an internal trace layer formed between two neighboring insulation layers; and an external trace layer formed on an outer surface of the outermost insulation layer; wherein the insulation layers have a dielectric constant of 3.4 or less, and the internal and external trace layers have a trace width between 40 and 75 micrometers, such that the multi-layer printed circuit board has a characteristic impedance between 45 and 55 Ω in single-ended signaling and between 90 and 110 Ω in differential signaling.

    Abstract translation: 多层印刷电路板包括:分别具有玻璃纤维布和覆盖在其上的固化树脂的至少两个绝缘层,所述绝缘层彼此堆叠; 在两个相邻绝缘层之间形成的内部迹线层; 以及形成在最外绝缘层的外表面上的外部迹线层; 其中所述绝缘层具有3.4或更小的介电常数,并且所述内部和外部迹线层具有介于40和75微米之间的迹线宽度,使得所述多层印刷电路板具有在45和55之间的特征阻抗; 在单端信令和90和110之间和OHgr; 差分信号。

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