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Shielded electric signal cable having a two-layer semiconductor jacket

  • US 5,208,426 A
  • Filed: 09/03/1991
  • Issued: 05/04/1993
  • Est. Priority Date: 09/03/1991
  • Status: Expired due to Term
First Claim
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1. A shielded electric signal cable comprising from inside to outside:

  • (a) a conductive metal center conductor surrounded by an electrically insulating material;

    (b) at least one electrically conductive metal drain wire positioned along the length of said cable outside of said insulating material;

    (c) a layer of electrically conductive shielding material positioned around said center conductor, said insulating material, and said drain wires as a unit; and

    (d) at least two layers of semiconductive polymer jacketing surrounding the shielding material.

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