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Development of Low-Loss Foamed Coaxial Cable

机译:低损耗发泡同轴电缆的开发

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As the communication transmission speed and capacity have increased in recent years, the operating frequency has shifted to higher frequency region. So coaxial cables having low attenuation in high operating frequency are required. For the insulation material of the high-frequency coaxial cable, polyethylene is used because of its low dielectric constant (εr) and low dielectric loss tangent (tan δ) and foams extrusion easily. To reduce attenuation, we developed a new material which was excellent in both melting and dielectric characteristics. Further, we developed a highly foamed coaxial cable insulator having a foamed degree of 85 percent.
机译:近年来,随着通信传输速度和容量的增加,工作频率已经转移到更高的频率区域。因此,需要在高工作频率下具有低衰减的同轴电缆。对于高频同轴电缆的绝缘材料,使用聚乙烯是因为其介电常数(εr)低,介电损耗角正切(tanδ)低,并且泡沫易于挤出。为了减少衰减,我们开发了一种新材料,该材料在熔化和介电特性方面均非常出色。此外,我们开发了泡沫度为85%的高泡沫同轴电缆绝缘子。

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