Coaxial cable

This invention provides a high-frequency coaxial cable comprising an inner conductor and an insulator layer covering the surface of the inner conductor. In the coaxial cable, the insulator layer has satisfactory side pressure resistance, and the attenuation level in the transmission is low. An insul...

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Bibliographic Details
Main Authors SERIZAWA HAJIME, TANIKITA MASUMI
Format Patent
LanguageChinese
English
Published 18.08.2010
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:This invention provides a high-frequency coaxial cable comprising an inner conductor and an insulator layer covering the surface of the inner conductor. In the coaxial cable, the insulator layer has satisfactory side pressure resistance, and the attenuation level in the transmission is low. An insulating layer having a higher foaming level and a higher mechanical strength as compared with the conventional insulating layer can be formed by foam molding a resin composition comprising a cyclic olefin resin, a high-density polyethylene, and a low-density polyethylene and/or a linear low-density polyethylene. As a result, the insulator layer covered on the inner conductor in the coaxial cable has lowered dielectric loss tangent and lowered permittivity and possesses excellent transmission characteristics and mechanical properties.
Bibliography:Application Number: CN20088108311