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    • 4. 发明公开
    • 나선상 접촉자 및 그 제조방법
    • 螺旋接触及其生产方法
    • KR1020080063492A
    • 2008-07-04
    • KR1020087010788
    • 2006-10-06
    • 가부시키가이샤 어드밴스트 시스템즈 재팬
    • 히라이유키히로
    • H01R13/03
    • C23C14/165C23C10/02C23C10/04C23C10/28C23C10/52C23C14/5806C23C26/00C25D5/022C25D5/50H01R13/2421H01R43/16H05K3/205H05K3/244H05K3/326H05K3/4092H05K2201/0311H05K2201/10674Y10T29/49213Y10T29/49224
    • A process for producing spiral contact (7) that even in an environment of high temperature, exhibits a low permanent set in fatigue and ensures fair spring characteristics, excelling in electrical conductivity. Ni is used as a core metal of spiral contact (7). Dissimilar metal (7b,7b') deposited on the surface of the core metal, Cu substrate (1) and the core metal in the state of being in contact with each other are heated so as to induce diffusion infiltration of atoms of the dissimilar metal (7b,7b') and Cu atoms of the Cu substrate (1) into a surface layer of the core metal, thereby forming alloys (7c,7d). Ti or Al is used as the dissimilar metal (7b,7b') deposited on the surface of the core metal. With respect to the heating temperature, the lower limit thereof is the temperature corresponding to 0.4 time the absolute temperature of melting point of metal with highest melting point among the core metal and dissimilar metal (7b,7b') disposed in contact with each other while the upper limit thereof is the absolute temperature of melting point of metal with lowest melting point thereamong. Alternatively, Cu is used as the core metal, and a barrier material of Ni is interposed between the core metal and the Cu substrate (1).
    • 即使在高温环境下也能产生螺旋接触(7)的工艺,其疲劳永久变形小,并确保弹性特性,导电性优异。 镍用作螺旋接触的核心金属(7)。 沉积在芯金属表面上的不同金属(7b,7b')彼此接触的状态的Cu基底(1)和芯金属被加热,以引起异种金属原子的扩散渗透 (7b,7b')和Cu原子(1)的Cu原子形成为芯金属的表层,由此形成合金(7c,7d)。 使用Ti或Al作为沉积在芯金属表面上的异种金属(7b,7b')。 关于加热温度,其下限是相对于彼此接触的芯金属和异种金属(7b,7b')中的熔点最高的金属的熔点绝对温度的0.4倍的温度, 其上限是熔点最低的金属的熔点绝对温度。 或者,使用Cu作为芯金属,并且Ni的阻挡材料插入在芯金属和Cu基板(1)之间。