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High speed transmission cable

  • US 9,355,755 B2
  • Filed: 04/04/2012
  • Issued: 05/31/2016
  • Est. Priority Date: 04/07/2011
  • Status: Active Grant
First Claim
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1. A high speed transmission cable comprisinga first conductor set including one or more inner conductors defining a longitudinal axis of the transmission cable;

  • a first dielectric film comprising a first base layer having a plurality of first protrusions formed on a first major surface of the first base layer, the first dielectric film having first and second longitudinal edges aligned with the first conductor set;

    wherein the first dielectric film is disposed such that the first base layer is partially concentric with the first conductor set and wherein a portion of the first protrusions is disposed between the first conductor set and the first base layer in a region where the first base layer is concentric with the first conductor set;

    a second dielectric film comprising a second base layer having a plurality of second protrusions formed on a first major surface of the second base layer, the second dielectric film having first and second longitudinal edges aligned with the first conductor set;

    wherein the second dielectric film is disposed opposite the first dielectric film such that the second base layer is partially concentric with the first conductor set and wherein a portion of the second protrusions is disposed between the first conductor set and the second base layer in a region where the second base layer is concentric with the first conductor set; and

    a pinched portion forming an insulating envelope around the first conductor set, wherein the first and second protrusions interpenetrate one another in the pinched portion.

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