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    • 3. 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。
    • 6. 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。
    • 8. 发明授权
    • Method and apparatus for controlling the rotation of a turntable which is capable of instantly and accurately moving a disc mounting unit regardless of rotation speed variation or aging of parts
    • 用于控制转盘的旋转的方法和装置,其能够即时且精确地移动盘安装单元,而不管部件的转速变化或老化
    • US06603721B2
    • 2003-08-05
    • US09891373
    • 2001-06-27
    • Dong Sik KimDong Woo Lee
    • Dong Sik KimDong Woo Lee
    • G11B1518
    • G11B17/228G11B17/226
    • The present invention relates to a method and an apparatus for controlling the rotation of a turntable, in order to move a disk mounting portion selected among a plurality of disk mounting portions installed on the turntable to a pickup side by a key input signal of a user which includes rotating the turntable by supplying a driving voltage to a turntable driving motor, sensing a rotational velocity of the turntable and the extract output delay time Td of the driving voltage of the motor for stopping the pertinent disk mounting portion at a reproducing position on the basis of the sensed rotation velocity, and cutting off the driving voltage output of the turntable driving motor after confirming the approach of the pertinent disk mounting portion to a reproducing position and confirming the output delay time. Accordingly, the disk mounting portion selected by a user is accurately moved to a request position regardless of the rotational velocity variation or aging of parts due to the load quantity variation of the turntable.
    • 本发明涉及一种用于控制转台旋转的方法和装置,以便通过用户的键输入信号将安装在转台上的多个盘安装部分中选择的盘安装部分移动到拾取侧 其包括通过向转盘驱动电机提供驱动电压来旋转转盘,感测转台的旋转速度和电动机的驱动电压的提取输出延迟时间Td,用于在相关盘安装部分上的再现位置停止 检测到的旋转速度的基础,并且在确认相关盘安装部分进入再现位置并确认输出延迟时间之后,切断转盘驱动电机的驱动电压输出。 因此,由于转台的负载量变化,由用户选择的盘安装部分被精确地移动到请求位置,而与零件的旋转速度变化或老化无关。
    • 9. 发明授权
    • High strength high conductivity Cu-alloy of precipitate growth
suppression type and production process
    • 高强度高导电铜合金沉淀生长抑制型及生产工艺
    • US5846346A
    • 1998-12-08
    • US756358
    • 1996-11-26
    • Dong Woo LeeIn Dal Kim
    • Dong Woo LeeIn Dal Kim
    • B21B3/00C22C9/06C22F1/08H01B1/02C22C9/02
    • H01B1/026C22C9/06B21B2003/005
    • This invention relates to a high strength, high electrical conductivity copper alloy having excellent mechanical and physical properties, including thermal softening resistance, in which precipitate particles are finely dispersed (growth of the precipitate is suppressed), and the production process. The alloy is the precipitation suppressed copper alloy consisted of 0.5.about.4.0 wt % nickel, 0.1.about.1.0 wt % silicon, 0.05.about.0.8 wt % tin (Sn) and balance copper and inevitable impurities, wherein sizes of precipitate particles are below 0.5 .mu.m. The production process includes the steps of melting and casting raw materials, surface machining and cold rolling of the ingot, subjecting the cold rolled ingot to a precipitation process at a temperature ranging 450.about.520 deg. C. for 5.about.12 hours, cold rolling the precipitation processed material, and subjecting the cold rolled material to a tension annealing process at a temperature ranging 350.about.550 deg. C. for below 90 seconds.
    • 本发明涉及一种高精度,高导电性的铜合金,其具有优异的机械和物理性能,包括热稳定性,其中沉淀颗粒细分散(沉淀物的生长被抑制))和制备方法。 该合金是沉淀抑制铜合金,由0.5%的差异为4.0%的镍,0.1%的1.0%的硅,0.05%的0.8wt%的锡(Sn)和余量的铜和不可避免的杂质组成,其中沉淀颗粒的尺寸低于0.5μm 。 生产过程包括熔炼和铸造原料的步骤,锭的表面加工和冷轧,在450°F的温度下对冷轧锭进行沉淀过程。 C.对于5差12小时,冷沉淀处理的材料,并在350分贝550度的温度下对冷轧材料进行拉伸退火处理。 C.低于90秒。