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    • 7. 发明申请
    • SHIELDED ELECTRICAL CABLE
    • 屏蔽电缆
    • US20160360655A1
    • 2016-12-08
    • US15235151
    • 2016-08-12
    • 3M INNOVATIVE PROPERTIES COMPANY
    • Douglas B. Gundel
    • H05K9/00H01B7/08
    • H05K9/0098H01B7/0823H01B7/0838H01B7/0861H01B7/0876H01B7/0892H01B7/188H01B11/00H01B11/04H01B11/10H01B11/1091H01B11/1891H01B11/1895H01B11/203
    • A shielded electrical cable includes a conductor set that includes two or more insulated conductors and a ground conductor adjacent to and in the same plane as the insulated conductors. The cable also includes a shielding film disposed around the conductor set, and two non-conductive polymeric layers disposed around the conductor set and the shielding film. The polymeric layers include concentric portions substantially concentric with the ground conductor having a first cross-sectional area and parallel portions where the two non-conductive polymeric layers are substantially parallel to each other. The cable also includes a transition portion providing a gradual transition between the concentric portion and the parallel portion of the two non-conductive polymeric layers. The transition portion has a second cross-sectional area defined as the area between the shielding film and the two non-conductive polymeric layers between first transition points where the two non-conductive polymeric layers deviate from being substantially concentric with the ground conductor and second transition points where the two non-conductive polymeric layers deviate from being substantially parallel. The second cross-sectional area is equal to or smaller than the first cross-sectional area.
    • 屏蔽电缆包括导体组,其包括两个或更多个绝缘导体和与绝缘导体相邻并在同一平面内的接地导体。 电缆还包括设置在导体组周围的屏蔽膜和设置在导体组和屏蔽膜周围的两个非导电聚合物层。 聚合物层包括基本上与接地导体同心的同心部分,其具有第一横截面积和平行部分,其中两个非导电聚合物层基本上彼此平行。 电缆还包括过渡部分,其提供两个非导电聚合物层的同心部分和平行部分之间的逐渐过渡。 过渡部分具有第二横截面积,其被定义为在第一转变点之间的屏蔽膜和两个非导电聚合物层之间的区域,其中两个非导电聚合物层偏离与接地导体基本上同心并且第二转变 两个非导电聚合物层基本上平行偏离的点。 第二横截面积等于或小于第一横截面积。