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    • 6. 发明授权
    • Copper alloy with high strength and high conductibility, and method for manufacturing same
    • 具有高强度,高导电性的铜合金及其制造方法
    • US08652274B2
    • 2014-02-18
    • US13580954
    • 2010-12-07
    • Dae Hyun KimDong Woo LeeIn Dal KimSang Young ChoiJi Hoon LeeBo Min Jeon
    • Dae Hyun KimDong Woo LeeIn Dal KimSang Young ChoiJi Hoon LeeBo Min Jeon
    • C22C9/02C22F1/08
    • C22C9/00C22C1/02C22F1/08
    • A copper alloy includes Si to facilitate deoxidation, and can be easily manufactured even when including elements such as Cr or Sn. The copper alloy has high conductivity and high workability without negatively affecting the tensile strength. The copper alloy contains 0.2 to 0.4 wt % of Cr, 0.05 to 0.15 wt % of Sn, 0.05 to 0.15 wt % of Zn, 0.01 to 0.30 wt % of Mg, 0.03 to 0.07 wt % of Si, with the remainder being Cu and inevitable impurities. A method for manufacturing the copper alloy includes obtaining a molten metal having the described composition; obtaining an ingot; heating the ingot at a temperature of 900-1000° C. to perform a hot rolling process; cold rolling; performing a first aging process at a temperature of 400-500° C. for 2 to 8 hours; cold rolling; and performing a second aging process at a temperature of 370-450° C. for 2 to 8 hours.
    • 铜合金包括Si以促进脱氧,并且即使当包括诸如Cr或Sn的元素时也可以容易地制造。 铜合金具有高导电性和高加工性,而不会对拉伸强度产生不利影响。 铜合金含有0.2〜0.4重量%的Cr,0.05〜0.15重量%的Sn,0.05〜0.15重量%的Zn,0.01〜0.30重量%的Mg,0.03〜0.07重量%的Si,余量为Cu, 不可避免的杂质。 制造铜合金的方法包括获得具有所述组成的熔融金属; 获得锭; 在900-1000℃的温度下加热锭以进行热轧过程; 冷轧 在400-500℃的温度下进行第一次老化处理2至8小时; 冷轧 并在370-450℃的温度下进行2至8小时的第二时效处理。
    • 9. 发明申请
    • DEVICE AND METHOD FOR MEASURING FINE PARTICLE CONCENTRATION
    • 用于测量细颗粒浓度的装置和方法
    • US20100332148A1
    • 2010-12-30
    • US12871069
    • 2010-08-30
    • Young-Ho ChoDong Woo LeeSoyeon Yi
    • Young-Ho ChoDong Woo LeeSoyeon Yi
    • G01N15/06
    • G01N15/12G01N15/1056G01N2015/0073G01N2015/1006G01N2015/1062
    • Disclosed is a device for measuring the concentration of the particles contained in a fluid. The device comprises a control volume body having a predetermined effective volume. An inlet path is formed at an end of the control volume body to feed the fluid into the control volume body therethrough. An outlet path is formed at another end of the control volume body to discharge the fluid from the control volume body therethrough. Measuring instruments are provided at the inlet path and the outlet path to emit electrical signals when the fine particles pass through the inlet path and the outlet path. A computing machine receives the electrical signals transmitted from the measuring instruments, and then computes the number and the concentration of fine particles contained in the control volume body. The device is easily integrated with Micro-TAS (Total analysis System).
    • 公开了一种用于测量流体中所含的颗粒的浓度的装置。 该装置包括具有预定有效体积的控制体积体。 入口路径形成在控制体积体的端部,以将流体供给到通过其中的控制体积体中。 出口路径形成在控制体积体的另一端,以便从控制体积体中排出流体。 当微粒通过入口路径和出口路径时,测量仪器设置在入口路径和出口路径处以发出电信号。 计算机接收从测量仪器发送的电信号,然后计算控制体积体中所含微粒的数量和浓度。 该设备可轻松与Micro-TAS(Total Analysis System)集成。