Multi-layer printed circuit boards having properties suitable for layer reduction design
    2.
    发明授权
    Multi-layer printed circuit boards having properties suitable for layer reduction design 有权
    多层印刷电路板,具有适合层压设计的特性

    公开(公告)号:US09392683B2

    公开(公告)日:2016-07-12

    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 55Ω in single-ended signaling and between 90 and 110Ω 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。

    Multi-layer printed circuit boards with dimensional stability
    4.
    发明授权
    Multi-layer printed circuit boards with dimensional stability 有权
    具有尺寸稳定性的多层印刷电路板

    公开(公告)号:US09545018B2

    公开(公告)日:2017-01-10

    申请号:US14558193

    申请日:2014-12-02

    Abstract: A multi-layer printed circuit board comprises: a core comprising a core insulation layer and traces formed on two sides of the core insulation layer; a plurality of insulation layers sequentially formed at two sides of the core; and a plurality of trace layers respectively formed between two insulation layers and on the outmost insulation layers; wherein the core insulation layer contains a resin material different from that of the insulation layers, such that the core insulation layer has a dimensional stability superior to that of the insulation layers.

    Abstract translation: 多层印刷电路板包括:芯,其包括芯绝缘层和形成在芯绝缘层的两侧上的迹线; 在芯的两侧依次形成多个绝缘层; 以及分别形成在两个绝缘层之间和最外层绝缘层上的多个迹线层; 所述芯绝缘层含有不同于所述绝缘层的树脂材料,使得所述芯绝缘层的尺寸稳定性优于所述绝缘层的尺寸稳定性。

    Resin composition, copper-clad laminate and printed circuit board for use therewith
    5.
    发明授权
    Resin composition, copper-clad laminate and printed circuit board for use therewith 有权
    树脂组合物,覆铜层压板和与其一起使用的印刷电路板

    公开(公告)号:US09394438B2

    公开(公告)日:2016-07-19

    申请号:US13759800

    申请日:2013-02-05

    Abstract: A resin composition includes (A) an epoxy resin; (B) a benzoxazine (BZ) resin; (C) a styrene maleic anhydride (SMA) copolymer; and (D) a polyester. The resin composition includes specific ingredients of a polyester and is characterized by specific proportions thereof so as to achieve a low delta Tg value of copper clad laminates manufactured in accordance with the resin composition and attain a low dielectric constant, a low dielectric dissipation factor, high heat resistance, and high fire retardation of the copper clad laminates and printed circuit boards manufactured in accordance with the resin composition.

    Abstract translation: 树脂组合物包含(A)环氧树脂; (B)苯并恶嗪(BZ)树脂; (C)苯乙烯马来酸酐(SMA)共聚物; 和(D)聚酯。 树脂组合物包括聚酯的特定成分,其特征在于其特定比例,以便实现根据树脂组合物制造的覆铜层压板的低ΔTg值,并获得低介电常数,低介电损耗因子,高 根据树脂组合物制造的覆铜层压板和印刷电路板的耐热性,高阻燃性。

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