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High frequency signal transmission cable

專利號
US10867725B1
公開日期
2020-12-15
申請人
Hitachi Metals, Ltd.（JP Tokyo）
發(fā)明人
Detian Huang; Yoshinori Tsukamoto; Masashi Moriyama; Hideyuki Sagawa; Takahiro Sugiyama
IPC分類
H01B7/02; H01B11/06; H01B1/02; H01B13/22; H01B7/30; H01B11/18
技術(shù)領(lǐng)域
insulator,plating,layer,crack,conductor,cable,shield,in,frequency,braided
地域： Tokyo

摘要

A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of the crack suppressing layer. The crack suppressing layer suppresses the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.

說明書

The crack suppressing layer 7 is formed, e.g., by tube extruding the resin over the periphery of the insulator 3. If the outer surface of the insulator 3 is melted by heat during the formation of the crack suppressing layer 7, the insulator 3 and the crack suppressing layer 7 are joined together at the interface with the insulator 3 and the crack suppressing layer 7 being in contact with each other. For the purpose of avoiding this, as the resin to be used in the crack suppressing layer 7, the resin having a lower melting point than that of the resin to be used in the insulator 3 may be used. The crack suppressing layer 7 is formed by tube extruding the resin having a lower melting point than that of the resin to be used in the insulator 3 at a temperature at which the outer surface of the insulator 3 is not melted. Note that the crack suppressing layer 7 may be composed of a plurality of layers.

權(quán)利要求

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