Low noise signal transmission cable

Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath

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Details

174 36, 174106R, 174106SC, 174109, H01B 734

Patent

active

054770114

ABSTRACT:
An improved low noise electrical signal transmission cable is disclosed. The cable employs an insulative layer of expanded polytetrafluoroethylene (PTFE) which is bonded in fixed relative position with a surrounding shield layer through use of an adhesive, such as fluorinated ethylenepropylene (FEP) or perfluoroalkoxy polymer (PFA). The bonding process reduces the separation of layers which can sometimes occur with expanded PTFE insulative cables and avoids the generation of unwanted triboelectric signals that can result from such separation.

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International Search Report for PCT/US94/11899 (2 pages).
Literature: "Special Audio, Communication, and Instrumentation Cables Low Tribo-electric Noise Coaxial Cables"; Belden Cooper Ind.;Date: Unknown; p. 260.
Literature: "Mini-Noise" Coaxial Cable; Malco Microdot Inc.; pp. 16-19; Date: Unknown.
Literature: "Extrusion Foaming of Coaxial Cables of Melt-Fabricable Fluorocarbon Resins"; Author: Stuart K. Randa; DuPont Co.; Date: Nov. 18, 1981.

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