| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-frequency coaxial cable composed by reducing a voltage standing wave ratio to reduce attenuation. SOLUTION: In this high-frequency coaxial cable 1, an internal solid layer 3, an insulation layer 4 made of resin foam, an external solid layer 5, and an external conductor 6 are arranged on the periphery of an internal conductor 2 in that order. The external solid layer 5 has a dielectric loss tangent value of 1.0×10<SP>-4</SP>or less at 2 GHz. COPYRIGHT: (C)2008,JPO&INPIT
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