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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

Note that, in both the example and the comparative example, the characteristic impedance was set at 75 g. In addition, the outer diameter of the high frequency signal transmission cable 1 of the example was 7.65 mm, and the outer diameter of the high frequency signal transmission cable of the comparative example was 7.68 mm. In addition, in the high frequency signal transmission cable 1 of the example, the compressed stranded wire conductor was used in the inner conductor 2, while in the high frequency signal transmission cable of the comparative example, the normal stranded wire conductor was used in the inner conductor 2. With these high frequency signal transmission cables being bent with inner diameters of about 12 times the outer diameters of the cables, the attenuation was measured using a network analyzer. Further, the characteristic impedance was measured using a TDR measuring instrument.

TABLE 1 Example Comparative example

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