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公开(公告)号:US5658406A
公开(公告)日:1997-08-19
申请号:US343855
申请日:1994-11-17
CPC分类号: B29C47/28 , B29C47/0016 , B29C47/003 , B29C47/027 , H01B13/24 , B29L2031/3462
摘要: Method of making a twisted conductor wire unit in which each wire of the pair is individually insulated. The twisted pair is provided with an outer extruded polymeric layer while a vacuum is applied to the pair at the extrusion position. The vacuum draws the polymeric layer down onto the pair and forces the insulated wires together along the length of the unit. The vacuum is insufficient to produce substantial longitudinal indentations in the polymer layer. This avoids spaces being provided between the insulated wires in the finished structure and provides a substantially constant distance between the wires to improve electrical and cross-talk characteristics.
摘要翻译: 制造双绞线单元的方法,其中该对中的每根线分别绝缘。 双绞线设置有外挤出的聚合物层,同时在挤出位置对该对施加真空。 真空将聚合物层向下拉到一对上,并将绝缘电线沿着单元的长度迫使。 真空不足以在聚合物层中产生显着的纵向压痕。 这避免了在成品结构中的绝缘电线之间提供空间,并且在电线之间提供基本上恒定的距离以提高电气和串扰特性。
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公开(公告)号:US5424491A
公开(公告)日:1995-06-13
申请号:US133392
申请日:1993-10-08
CPC分类号: H01B11/02
摘要: High frequency cable with short twist lays with the insulation thickness of conductors being different from that of others, the thickness of insulation being dependent upon twist lay length so as to achieve a desired characteristic impedance and signal attenuation.
摘要翻译: 具有短捻的高频电缆的导体绝缘厚度与其他导体的绝缘厚度不同,绝缘厚度取决于捻线长度,以达到所需的特性阻抗和信号衰减。
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