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    • 41. 发明申请
    • ELECTRIC WIRE CONDUCTOR AND A METHOD OF PRODUCING THE SAME
    • 电线导体及其制造方法
    • US20100071933A1
    • 2010-03-25
    • US12312033
    • 2007-10-30
    • Yasuyuki OtsukaYoshihiro NakaiTaichirou Nishikawa
    • Yasuyuki OtsukaYoshihiro NakaiTaichirou Nishikawa
    • H01B5/08C22F1/04C21D9/60C22F1/043C22F1/047
    • H01B1/023C21D9/60C22C21/02C22C21/08C22F1/00C22F1/02C22F1/04Y02P10/253
    • A conductor excellent in tensile strength, breaking elongation, impact resistance, electrical conductivity, and fatigue resistance, and a production method thereof. The conductor includes elemental wires made from an aluminum alloy containing Si whose content is 0.3-1.2 mass %, Mg whose content makes an Mg/Si weight ratio in a range from 0.8 to 1.8, and a remainder essentially including Al and an unavoidable impurity. The conductor has tensile strength of 240 MPa or more, breaking elongation of 10% or more, impact absorption energy of 8 J/m or more, and electrical conductivity of 40% IACS or more. The production method includes the step of preparing a strand by bunching elemental wires with the above composition, and the step of subjecting the wire to solution treatment, quenching, and aging heat treatment. Solution treatment temperature is 500-580° C., and aging heat treatment temperature is 150-220° C. Heating in solution treatment is high frequency induction heating.
    • 拉伸强度,断裂伸长率,耐冲击性,导电性和耐疲劳性优异的导体及其制造方法。 该导体包括由含有0.3-1.2质量%的Si的铝合金制成的元素线,其含量使得Mg / Si重量比在0.8至1.8的范围内,剩余部分基本上包括Al和不可避免的杂质。 导体的拉伸强度为240MPa以上,断裂伸长率为10%以上,冲击吸收能量为8J / m以上,导电率为40%IACS以上。 制造方法包括通过用上述组成聚束元素线制备股线的步骤,以及对钢丝进行固溶处理,淬火和时效热处理的步骤。 固溶处理温度为500-580℃,时效热处理温度为150-220℃。固溶处理中的加热是高频感应加热。
    • 43. 发明授权
    • Method of manufacturing a copper electrical conductor, especially for
transmitting audio and video signals and quality control method for
such conductors
    • 制造铜电导体的方法,特别是用于传输音频和视频信号以及这种导体的质量控制方法
    • US5443665A
    • 1995-08-22
    • US201179
    • 1994-02-24
    • Tadanori SanoKazuo SawadaYoshihiro NakaiKenji Miyazaki
    • Tadanori SanoKazuo SawadaYoshihiro NakaiKenji Miyazaki
    • C22F1/08C21D8/06
    • C22F1/08
    • A method of manufacturing an improved conductor wire, especially for use as wiring in audio/video devices is disclosed. The conductor consists of copper having a high purity of at least 99.9 wt. %. High purity copper starting material is formed as a rod which is then heat treated at a temperature in the range of 400.degree. C. to 700.degree. C. for 1 minute to 24 hours. The heat treated rod is then cold worked with a reduction in area of at least 65%. This method provides an electrical conductor wire which avoids irregularities of electron density and thereby eliminates phase differences in a high frequency signal, such as an audio or video signal, passing through the wire to obtain clear transmission and reproduction of an audio sound or video image. The method of the invention increases the residual resistance ratio of the conductor wire to at least 179 or by at least 20% as compared to a conventional conductor which is not heat treated according to the invention. Finally, in a quality control method, the expected audio and video transmission characteristics of a manufactured conductor wire can be evaluated by determining the residual resistance ratio of the conductor wire.
    • 公开了一种制造改进的导线的方法,特别是用作音频/视频装置中的布线。 导体由具有至少99.9重量%的高纯度的铜组成。 %。 高纯度铜原料形成为棒,然后在400℃至700℃的温度范围内进行1分钟至24小时的热处理。 然后将热处理的棒冷却至少65%的面积减小。 该方法提供一种避免电子密度不规则的电导线,从而消除通过导线的高频信号(例如音频或视频信号)中的相位差,以获得音频声音或视频图像的清晰的传输和再现。 与根据本发明未经热处理的常规导体相比,本发明的方法将导线的残余电阻比增加至至少179或至少20%。 最后,在质量控制方法中,可以通过确定导线的残余电阻比来评估所制造的导线的预期音频和视频传输特性。