Printed circuit board via with radio frequency absorber
    5.
    发明授权
    Printed circuit board via with radio frequency absorber 失效
    带射频吸收器的印刷电路板通孔

    公开(公告)号:US07375290B1

    公开(公告)日:2008-05-20

    申请号:US11545921

    申请日:2006-10-11

    Abstract: A printed circuit board with vias that reduce or eliminate radio frequency interference and method of forming the same. The printed circuit board includes non-conductive layers, conductive-layers interspersed between the non-conductive layers, vias extending through the non-conductive layers and the conductive layers, radio frequency absorbing material within each of the vias, where the radio frequency absorbing material is at a conductive layer within the printed circuit board at which a conductive trace is not connected to a via, an insulating layer over each radio frequency absorbing material, and a cylindrical conductive material within via and over each insulating layer.

    Abstract translation: 具有减少或消除射频干扰的通孔的印刷电路板及其形成方法。 印刷电路板包括非导电层,散布在非导电层之间的导电层,延伸穿过非导电层和导电层的通孔,每个通孔内的射频吸收材料,其中射频吸收材料 在印刷电路板内的导电层上,导电迹线未连接到通孔,每个射频吸收材料上的绝缘层,以及每个绝缘层之内和之上的圆柱形导电材料。

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