FOAM COAXIAL CABLE AND METHOD OF MANUFACTURING THE SAME

Title:

FOAM COAXIAL CABLE AND METHOD OF MANUFACTURING THE SAME

Document Type and Number:

WIPO Patent Application WO2004112059

Kind Code:

B1

Abstract:

A foam coaxial cable, comprising an inner conductor (1), a foam insulating layer (2) formed on the outer periphery of the inner conductor (1), an outer conductor (3) formed on the outer periphery of the foam insulating layer (2), and an outer cover (4) formed on the outer periphery of the outer conductor (3). A skin layer (11) having a generally complete round outline is formed on the outer periphery of the foam insulating layer (2). Thus, the productivity of the foam insulating layer (2) can be increased by increasing the accuracy of the characteristic impedance values of the cable while increasing the flexibility and mechanical strength of the cable.

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Inventors:

KIMURA HIROYUKI (JP)
IWASAKI MITSUO (JP)
MURAYAMA SHIGERU (JP)
MATSUMURA SHIGERU (JP)

Application Number:

PCT/JP2004/007117

Publication Date:

February 24, 2005

Filing Date:

May 19, 2004

Export Citation:

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Assignee:

HIRAKAWA HEWTECH CORP (JP)
ADVANTEST CORP (JP)
KIMURA HIROYUKI (JP)
IWASAKI MITSUO (JP)
MURAYAMA SHIGERU (JP)
MATSUMURA SHIGERU (JP)

International Classes:

H01B11/18; H01B13/016; (IPC1-7): H01B11/18; H01B13/00

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