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    • 1. 发明授权
    • Ultrafast magnetic recording element and nonvolatile magnetic random access memory using the magnetic recording element
    • 使用磁记录元件的超快磁记录元件和非易失磁性随机存取存储器
    • US08324696B2
    • 2012-12-04
    • US12738652
    • 2008-10-17
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • H01L29/82
    • G11C11/155H01L27/222H01L43/08
    • Provided are an ultrafast magnetic recording element and a nonvolatile magnetic random access memory using the same. The magnetic recording element includes a read electrode, a magnetic pinned layer formed on the read electrode, and an insulating layer or a conductive layer formed on the magnetic pinned layer. The magnetic recording element includes a magnetic free layer formed on the insulating layer or the conductive layer, in which a magnetic vortex is formed, and a plurality of drive electrodes applying a current or magnetic field to the magnetic free layer. According to the magnetic recording elements, the magnetic recording element with a simple structure can be realized using a magnetic layer with a magnetic vortex formed, and the magnetic recording element can be accurately driven with low power using a plurality of drive electrodes.
    • 提供了一种超快磁记录元件和使用其的非易失磁性随机存取存储器。 磁记录元件包括读电极,形成在读电极上的磁性钉扎层,以及形成在磁性钉扎层上的绝缘层或导电层。 磁记录元件包括形成在其上形成磁涡流的绝缘层或导电层上的无磁性层和向无磁层施加电流或磁场的多个驱动电极。 根据磁记录元件,具有简单结构的磁记录元件可以使用形成有磁涡流的磁性层来实现,并且可以使用多个驱动电极以低功率精确地驱动磁记录元件。
    • 5. 发明授权
    • Method for recording of information in magnetic recording element and method for recording of information in magnetic random access memory
    • 在磁记录元件中记录信息的方法和用于在磁随机存取存储器中记录信息的方法
    • US08300453B2
    • 2012-10-30
    • US12738655
    • 2008-10-17
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • G11C11/14
    • G11C11/1675G11C11/161G11C11/1673
    • Provided are a method for recording information in a magnetic recording element and a method for recording information in a magnetic random access memory. The method for recording information in a magnetic recording element includes preparing the magnetic recording element having a magnetic free layer in which a magnetic vortex is formed. A current or a magnetic field whose direction varies with time is applied to the magnetic free layer to switch a core orientation of a magnetic vortex formed in the magnetic free layer to an upward direction or downward direction from a top surface of the magnetic free layer “0” or “1” is assigned according to the direction of the core orientation of the magnetic vortex formed in the magnetic free layer. According to the method for recording information in a magnetic recording element of the present invention, the core orientation of the magnetic vortex formed in the magnetic free layer of the magnetic recording element can be selectively switched by applying a current or magnetic field whose direction varies with time to the magnetic recording element, so that information can be easily and correctly recorded, lower power is consumed in recording information, and the switching for recording information can be performed very rapidly.
    • 提供了一种在磁记录元件中记录信息的方法和用于在磁随机存取存储器中记录信息的方法。 用于在磁记录元件中记录信息的方法包括制备具有形成磁涡流的无磁层的磁记录元件。 向磁性层施加方向随时间变化的电流或磁场,以将磁性自由层中形成的磁涡流的芯取向从无磁层0的上表面向上方向或向下方向切换 或1根据形成在磁性自由层中的磁涡流的芯取向的方向来分配。 根据本发明的磁记录元件中记录信息的方法,可以通过施加电流或磁场来选择性地切换形成在磁记录元件的磁性自由层中的磁涡流的芯取向,该电流或磁场的方向随着 从而可以容易且正确地记录信息,在记录信息中消耗较低的功率,并且可以非常快速地执行用于记录信息的切换。
    • 6. 发明授权
    • Sectional chessboard
    • 剖面棋盘
    • US5871212A
    • 1999-02-16
    • US941021
    • 1997-09-30
    • Ki-suk Lee
    • Ki-suk Lee
    • A63F3/00A63F3/02A63F9/10A63F9/12
    • A63F3/02A63F9/10A63F2003/00372A63F9/12
    • A sectional chessboard includes a number of sections corresponding to blocks of a chessboard which are formed by injection molding or press work and each section of the chessboard has protrusions and grooves around all sides thereof to be respectively engaged with grooves and protrusions of other sections so that all adjoining sides of each section is jointed together for playing chess as a complete chessboard, wherein it becomes possible to reduce the bulk of the chessboard so that users may conveniently carry them anywhere to play chess and the manufacturing cost may be reduced.
    • 剖面棋盘包括对应于通过注射成型或冲压加工形成的棋盘块的多个部分,棋盘的每个部分在其所有侧面上具有突出和凹槽,以分别与其他部分的凹槽和突起接合,使得 每个部分的所有相邻侧面被连接在一起作为一个完整的棋盘下棋,其中可以减少棋盘的大部分,使得用户可以方便地将其放置在任何地方下棋,并且可以降低制造成本。
    • 8. 发明申请
    • METHOD FOR READ-OUT OF INFORMATION IN MAGNETIC RECORDING ELEMENT AND METHOD FOR READ-OUT OF INFORMATION IN MAGNETIC RANDOM ACCESS MEMORY
    • 用于读取磁记录元件中的信息的方法和用于读取磁性随机存取存储器中的信息的方法
    • US20100271728A1
    • 2010-10-28
    • US12738657
    • 2008-10-17
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • G11B5/02
    • G11C11/1675G11C11/161G11C11/1673
    • Provided are a method for read-out of information in a magnetic recording element and a method for read-out of information in a magnetic random access memory. In the method, a magnetic recording element including a magnetic free layer where a magnetic vortex is formed is prepared, and “0” or “1” is assigned according to a core orientation of a magnetic vortex formed in the magnetic free layer. The magnetic vortex core formed in the magnetic free layer rotates on the magnetic free layer by applying a current or magnetic field, of which a direction varies with time, to the magnetic free layer with the magnetic vortex formed. “0” or “1” assigned according to the core orientation of the magnetic vortex formed in the magnetic free layer is read out by measuring a characteristic caused by a difference in a rotation radius of the magnetic vortex core. Herein, the rotation radius of the magnetic vortex core, which is formed in the magnetic free layer and rotates by the applied current or magnetic field, varies with the core orientation of the magnetic vortex formed in the magnetic free layer.
    • 提供了一种用于读出磁记录元件中的信息的方法和用于在磁随机存取存储器中读出信息的方法。 在该方法中,制备包括形成磁涡流的无磁性层的磁记录元件,并且根据形成在磁性自由层中的磁涡的芯取向分配“0”或“1”。 形成在磁性自由层中的磁涡流芯通过在形成磁涡流的情况下通过施加一个方向随时间变化的电流或磁场在磁性自由层上旋转。 通过测量由磁涡旋芯的旋转半径的差引起的特性,读出根据磁性自由层中形成的磁涡流的芯取向分配的“0”或“1”。 这里,形成在磁性自由层中并通过施加的电流或磁场旋转的磁涡流核心的旋转半径随着在无磁层中形成的磁涡流的磁芯取向而变化。
    • 9. 发明申请
    • ULTRAFAST MAGNETIC RECORDING ELEMENT AND NONVOLATILE MAGNETIC RANDOM ACCESS MEMORY USING THE MAGNETIC RECORDING ELEMENT
    • 使用磁记录元件的超声波磁记录元件和非易失性磁性随机存取存储器
    • US20100207220A1
    • 2010-08-19
    • US12738652
    • 2008-10-17
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • Sang-Koog KimKi-Suk LeeYoung-Sang Yu
    • H01L29/82
    • G11C11/155H01L27/222H01L43/08
    • Provided are an ultrafast magnetic recording element and a nonvolatile magnetic random access memory using the same. The magnetic recording element includes a read electrode, a magnetic pinned layer formed on the read electrode, and an insulating layer or a conductive layer formed on the magnetic pinned layer. The magnetic recording element includes a magnetic free layer formed on the insulating layer or the conductive layer, in which a magnetic vortex is formed, and a plurality of drive electrodes applying a current or magnetic field to the magnetic free layer. Alternatively, the magnetic recording element includes a magnetic free layer in which a magnetic vortex is formed, a plurality of drive electrodes applying a current or a magnetic field to the magnetic free layer, and a read line disposed around the magnetic free layer. Herein, a current generated by a voltage induced by the movement of a magnetic vortex core flows through the read line. According to the magnetic recording elements, the magnetic recording element with a simple structure can be realized using a magnetic layer with a magnetic vortex formed, and the magnetic recording element can be accurately driven with low power using a plurality of drive electrodes.
    • 提供了一种超快磁记录元件和使用其的非易失磁性随机存取存储器。 磁记录元件包括读电极,形成在读电极上的磁性钉扎层,以及形成在磁性钉扎层上的绝缘层或导电层。 磁记录元件包括形成在其上形成磁涡流的绝缘层或导电层上的无磁性层和向无磁层施加电流或磁场的多个驱动电极。 或者,磁记录元件包括其中形成磁涡流的无磁性层,向无磁性层施加电流或磁场的多个驱动电极以及设置在无磁性层周围的读取线。 这里,由磁涡流芯的运动引起的电压产生的电流流过读线。 根据磁记录元件,具有简单结构的磁记录元件可以使用形成有磁涡流的磁性层来实现,并且可以使用多个驱动电极以低功率精确地驱动磁记录元件。