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    Preparation method of tungsten carbide sintered body for friction stir welding tool
    21.
    发明授权
    Preparation method of tungsten carbide sintered body for friction stir welding tool 有权
    用于摩擦搅拌焊接工具的碳化钨烧结体的制备方法

    公开(公告)号：US09580361B2

    公开(公告)日：2017-02-28

    申请号：US14233424

    申请日：2011-12-09

    申请人： Hyun Kuk Park ,  Ik Hyun Oh ,  Hee Jun Yoon ,  Hyeon Taek Son ,  Kwang Jin Lee ,  Hee Seon Bang ,  Han Sur Bang

    发明人： Hyun Kuk Park ,  Ik Hyun Oh ,  Hee Jun Yoon ,  Hyeon Taek Son ,  Kwang Jin Lee ,  Hee Seon Bang ,  Han Sur Bang

    IPC分类号： C04B35/64 ,  B22F3/105 ,  C04B35/56 ,  C04B35/645 ,  B23K20/12 ,  C22C29/08

    CPC分类号： C04B35/64 ,  B22F3/105 ,  B23K20/1245 ,  C04B35/5626 ,  C04B35/645 ,  C04B2235/6562 ,  C04B2235/6581 ,  C04B2235/666 ,  C04B2235/77 ,  C04B2235/96 ,  C22C29/08

    摘要： The present invention relates to a preparation method of a tungsten carbide sintered body for a friction stir welding tool used in a friction stir welding tool of a high melting point material such as steel, titanium and the like or a dissimilar material such as aluminum, magnesium-steel, titanium and the like. The preparation method comprises the following steps: filling a tungsten carbide (WC) powder in a mold made of a graphite material; mounting the mold filled with tungsten carbide powder in a chamber of a discharge plasma sintering apparatus; making a vacuum inside of the chamber; molding the tungsten carbide powder while maintaining a constant pressure inside the mold and increasing the temperature according to a set heat increase pattern until the temperature reaches a final target temperature; and cooling the inside of the chamber while maintaining the pressure pressurized in the mold after the molding step.

    摘要翻译： 本发明涉及一种用于摩擦搅拌焊接工具的碳化钨烧结体的制备方法，该工具用于诸如钢，钛等的高熔点材料的摩擦搅拌焊接工具或诸如铝，镁之类的异种材料 钛，钛等。 该制备方法包括以下步骤：在由石墨材料制成的模具中填充碳化钨（WC）粉末; 将填充有碳化钨粉末的模具安装在放电等离子体烧结装置的腔室中; 在室内进行真空; 在模具内保持恒定压力的同时成型碳化钨粉末，并根据设定的热量增加模式增加温度，直到温度达到最终目标温度; 并且在模制步骤之后保持在模具中加压的压力同时冷却腔室的内部。

    Resistive memory devices and memory systems having the same
    23.
    发明授权
    Resistive memory devices and memory systems having the same 有权
    具有相同的电阻式存储器件和存储器系统

    公开(公告)号：US08649204B2

    公开(公告)日：2014-02-11

    申请号：US13364942

    申请日：2012-02-02

    申请人： Joon Min Park ,  Kwang Jin Lee

    发明人： Joon Min Park ,  Kwang Jin Lee

    IPC分类号： G11C11/00

    CPC分类号： G11C29/1201 ,  G11C13/00 ,  G11C13/0004 ,  G11C13/0038 ,  G11C13/0061 ,  G11C13/0069 ,  G11C29/18

    摘要： A nonvolatile memory device includes an array of resistive memory cells and a write driver, which is configured to drive a selected bit line in the array with a reset current pulse, which is responsive to a first external voltage input through a first terminal/pad of the memory device during a memory cell reset operation. The write driver is further configured to drive the selected bit line in sequence with a first set current pulse, which is responsive to the first external voltage, and a second set current pulse, which is responsive to a second external voltage input through a second terminal/pad of the memory device during a memory cell set operation.

    摘要翻译： 非易失性存储器件包括电阻存储器单元阵列和写驱动器，其被配置为以复位电流脉冲驱动阵列中的选定位线，该复位电流脉冲响应于通过第一端子/ 存储器单元重置操作期间的存储器件。 所述写入驱动器进一步被配置为按照响应于所述第一外部电压的第一设定电流脉冲和第二设定电流脉冲依次驱动所选位线，所述第二设定电流脉冲响应于通过第二端子输入的第二外部电压 /存储器单元设置操作的焊盘。

    RESISTIVE MEMORY DEVICES AND MEMORY SYSTEMS HAVING THE SAME
    25.
    发明申请
    RESISTIVE MEMORY DEVICES AND MEMORY SYSTEMS HAVING THE SAME 有权
    具有电阻记忆体设备和存储器系统

    公开(公告)号：US20120307547A1

    公开(公告)日：2012-12-06

    申请号：US13364942

    申请日：2012-02-02

    申请人： Joon Min Park ,  Kwang Jin Lee

    发明人： Joon Min Park ,  Kwang Jin Lee

    IPC分类号： G11C11/00

    CPC分类号： G11C29/1201 ,  G11C13/00 ,  G11C13/0004 ,  G11C13/0038 ,  G11C13/0061 ,  G11C13/0069 ,  G11C29/18

    摘要： A nonvolatile memory device includes an array of resistive memory cells and a write driver, which is configured to drive a selected bit line in the array with a reset current pulse, which is responsive to a first external voltage input through a first terminal/pad of the memory device during a memory cell reset operation. The write driver is further configured to drive the selected bit line in sequence with a first set current pulse, which is responsive to the first external voltage, and a second set current pulse, which is responsive to a second external voltage input through a second terminal/pad of the memory device during a memory cell set operation.

    摘要翻译： 非易失性存储器件包括电阻存储器单元阵列和写驱动器，其被配置为以复位电流脉冲驱动阵列中的选定位线，该复位电流脉冲响应于通过第一端子/ 存储器单元重置操作期间的存储器件。 所述写入驱动器被进一步配置为按照响应于所述第一外部电压的第一设定电流脉冲和第二设定电流脉冲依次驱动所选择的位线，所述第二设定电流脉冲响应于通过第二端子输入的第二外部电压 /存储器单元设置操作的焊盘。

    MODULE CASE AND HOLLOW FIBER MEMBRANE MODULE USING THE SAME
    26.
    发明申请
    MODULE CASE AND HOLLOW FIBER MEMBRANE MODULE USING THE SAME 有权
    使用相同的模块和中空纤维膜模块

    公开(公告)号：US20120097601A1

    公开(公告)日：2012-04-26

    申请号：US13376124

    申请日：2010-06-03

    申请人： Kwang Jin Lee ,  Moo-Seok Lee ,  Yong-Cheol Shin

    发明人： Kwang Jin Lee ,  Moo-Seok Lee ,  Yong-Cheol Shin

    IPC分类号： B01D63/02

    CPC分类号： B01D63/022 ,  B01D63/021 ,  B01D2313/02 ,  B01D2313/21

    摘要： A hollow fiber membrane module is disclosed, which is capable of preventing a bundle of hollow fiber membranes from being separated from a module case, the hollow fiber membrane module for accommodating a bundle of hollow fiber membranes closely held together through the use of potting agent, including a module case including: a first inner surface serving as a projection on which the bundle of hollow fiber membranes is stably placed; a second inner surface upwardly extending from one end of the first inner surface, the second inner surface including at least one separation-preventing groove to prevent the bundle of hollow fiber membranes from being separated from the module case; a third inner surface downwardly extending from the other end of the first inner surface; and a fourth inner surface connected to the third inner surface.

    摘要翻译： 公开了一种中空纤维膜组件，其能够防止一束中空纤维膜与模块壳体分离，中空纤维膜组件用于容纳通过使用灌封剂紧密地保持在一起的一束中空纤维膜， 包括模块壳体，包括：第一内表面，用作其上稳定放置中空纤维膜束的突起; 从所述第一内表面的一端向上延伸的第二内表面，所述第二内表面包括至少一个分离防止槽，以防止所述中空纤维束束与所述模块壳体分离; 从所述第一内表面的另一端向下延伸的第三内表面; 以及连接到第三内表面的第四内表面。

    Submerged hollow fiber membrane module
    27.
    发明授权
    Submerged hollow fiber membrane module 有权
    浸没式中空纤维膜组件

    公开(公告)号：US07727393B2

    公开(公告)日：2010-06-01

    申请号：US10593480

    申请日：2005-04-06

    申请人： Kwang Jin Lee ,  Moo Seok Lee ,  Yong Cheol Shin ,  Seong Hak Choi ,  Young Tai Woo

    发明人： Kwang Jin Lee ,  Moo Seok Lee ,  Yong Cheol Shin ,  Seong Hak Choi ,  Young Tai Woo

    IPC分类号： B01D63/02 ,  B01D61/00

    CPC分类号： B01D63/02 ,  B01D61/18 ,  B01D63/026 ,  B01D65/08 ,  B01D2313/06 ,  B01D2313/08 ,  B01D2315/06 ,  B01D2321/185 ,  C02F1/444

    摘要： Disclosed is a submerged hollow fiber membrane module which is easy to expand, has a small installation area, and exhibits excellent contamination prevention and durability. The submerged hollow fiber membrane module comprises: (I) a module body divided into two portions which has a permeated water collection space (5) and a permeated water outlet (3); (II) module support tubes (17) which are vertically connected to the upper and lower ends of the module body; (III) a plate type module header insertion layer which is provided with hollow fiber membrane spaces (10), and is inserted into the module body; (IV) a plate type diffusion layer which is provided with a diffusion port (4) and diffusion tubes (11) and is inserted into the module body subsequent to the module header insertion layer; and (V) module headers which are inserted into the module header insertion layer.

    摘要翻译： 公开了一种容易膨胀，安装面积小，防污染性和耐久性优异的浸没式中空纤维膜组件。 浸没式中空纤维膜组件包括：（I）分为两部分的模块体，其具有渗透水收集空间（5）和渗透水出口（3）; （II）模块支撑管（17），其垂直连接到模块主体的上端和下端; （III）板型模块插头层，其设置有中空纤维膜空间（10），并插入模块体内; （IV）板式扩散层，其具有扩散口（4）和扩散管（11），并在模块插入层之后插入模块主体中; 和（V）模块插头插入模块插头层。

    High speed input receiver for generating pulse signal
    28.
    发明授权
    High speed input receiver for generating pulse signal 有权
    用于产生脉冲信号的高速输入接收器

    公开(公告)号：US06507224B1

    公开(公告)日：2003-01-14

    申请号：US10038171

    申请日：2002-01-03

    申请人： Jong Cheol Lee ,  Yong Jin Yoon ,  Kwang Jin Lee

    发明人： Jong Cheol Lee ,  Yong Jin Yoon ,  Kwang Jin Lee

    IPC分类号： G11C2702

    CPC分类号： H03K3/356139 ,  H03K3/012 ,  H03K3/356156

    摘要： An input receiver capable of sensing and amplifying an external signal having a very small swing input signal. The input receiver comprises a clock sampled amplifier for receiving a clock signal and a reference signal, respectively, in response to a first state of a clock signal and a delayed sampling clock signal, and for amplifying and sampling the voltage difference between the external signal and the reference signal, respectively, in response to a transition of the clock and delayed sampling clock signals to a second state; and a pulse generator for pre-charging a power source voltage and selectively pulling down the pre-charged signals to produce a pulse signal, in response to the second state of the delayed sampling clock signal and outputs of the clock sampled amplifier.

    摘要翻译： 一种能够感测和放大具有非常小的摆动输入信号的外部信号的输入接收器。 输入接收机包括响应于时钟信号和延迟采样时钟信号的第一状态分别接收时钟信号和参考信号的时钟采样放大器，并且用于放大和采样外部信号与 分别响应于时钟的转变和延迟的采样时钟信号到第二状态的参考信号; 以及脉冲发生器，用于响应于延迟的采样时钟信号的第二状态和时钟采样放大器的输出，对电源电压进行预充电并选择性地拉低预充电信号以产生脉冲信号。