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11.发明公开
公开(公告)号：KR1020160089969A
公开(公告)日：2016-07-29
申请号：KR1020150009655
申请日：2015-01-21
Applicant: 서울대학교산학협력단
Abstract: 본발명은복수개의자기소용돌이구조가주기적으로배열된박막구조체를포함하며, 상기박막구조체는수평자화의회전방향이동일한제 1 자기소용돌이및 제 2 자기소용돌이와, 상기제 1 자기소용돌이및 상기제 2 자기소용돌이사이에형성된자기반소용돌이를포함하고, 상기제 1 자기소용돌이및 상기제 2 자기소용돌이와, 상기자기반소용돌이가형성된박막의영역들은일체로연결되어있거나자기고정층; 자기소용돌이를포함하는자유층; 및상기자기고정층과자유층사이에개재되며비자성물질또는부도체로이루어지는중간층;을포함하며, 상기자유층은수평자화의회전방향이동일한제 1 자기소용돌이및 제 2 자기소용돌이와상기제 1 자기소용돌이및 상기제 2 자기소용돌이사이에형성된자기반소용돌이를포함하고, 상기제 1 자기소용돌이및 상기제 2 자기소용돌이와상기자기반소용돌이가형성된영역들은일체로연결되어있는, 자기소용돌이와자기반소용돌이구조를갖는자성박막을이용한신호전달소자및 상기자기소용돌이와자기반소용돌이구조를갖는자성박막을이용한신호전달소자에신호를인가하는단계; 및상기자기소용돌이구조내에구비된핵의회전운동에의해상기핵과인접한부근에배치된다른핵의회전운동을여기시켜상기신호를전달하는단계;를포함하는, 신호전달방법을제공한다.
Abstract translation: 本发明提供一种使用具有磁涡旋结构和磁反涡流的磁性薄膜的信号传递装置，其包括周期性排列有多个磁涡流结构的薄膜结构。 薄膜结构包括具有与水平磁化相同的旋转方向的第一磁涡流和第二磁涡流; 以及形成在第一磁涡流和第二磁涡流之间的磁反涡流，其中形成有第一磁涡旋，第二磁涡和磁反涡流的薄膜区彼此一体地连接。 信号传送装置包括：磁性固定层; 包括磁涡旋的自由层; 介于磁性固定层和自由层之间的中间层，由非磁性材料或非导体形成。 自由层包括具有与水平磁化相同的旋转方向的第一磁涡流和第二磁涡旋，以及在第一磁涡和第二磁漩涡之间形成的磁反涡流。 分别形成有第一磁涡，第二磁涡和磁反涡的区域彼此一体地连接。 本发明还提供了一种传输信号的方法，包括以下步骤：使用具有磁涡旋和磁反涡结构的磁性薄膜将信号施加到信号传输装置; 并且通过激励设置在邻近所述核附近的附近的另一核心的旋转运动，通过设置在所述磁涡流结构内部的细胞核的旋转运动来传递所述信号。 因此，即使用少量的能量也能够容易地产生信号，实现了快速的传播速度和信号控制技术。
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公开(公告)号：KR1020140032756A
公开(公告)日：2014-03-17
申请号：KR1020120099429
申请日：2012-09-07
Applicant: 서울대학교산학협력단
CPC classification number: H01F7/00 , A61K9/0009 , A61K9/5094 , B82Y25/00 , H01F1/0045 , H01F1/0054 , A61K9/16 , A61K9/14 , A61K47/50 , A61K49/08
Abstract: The present invention provides a selective activation method of a magnetic nanoparticle having a magnetic vortex structure. The selective activation method of the magnetic nanoparticle by an embodiment of the present invention comprises the following steps: a step of providing the magnetic nanoparticle with the magnetic vortex structure; a step of applying a first magnetic field to the magnetic nanoparticle for the magnetic nanoparticle to have resonant frequency; and a step of applying a second magnetic field to the magnetic nanoparticle with the resonant frequency for activating the magnetic nanoparticle. [Reference numerals] (S110) Providing a magnetic nanoparticle with magnetic vortex structure; (S120) Applying a first magnetic field to the magnetic nanoparticle for the magnetic nanoparticle to have resonant frequency; (S130) Activating the magnetic nanoparticle by applying a second magnetic field to the magnetic nanoparticle with the resonant frequency
Abstract translation: 本发明提供具有磁涡旋结构的磁性纳米颗粒的选择性活化方法。 本发明实施方案的磁性纳米颗粒的选择性活化方法包括以下步骤：向磁性纳米颗粒提供磁涡旋结构的步骤; 向所述磁性纳米颗粒施加第一磁场以使所述磁性纳米颗粒具有共振频率的步骤; 以及使用具有用于激活磁性纳米颗粒的共振频率的磁性纳米颗粒施加第二磁场的步骤。 （S110）提供具有磁涡旋结构的磁性纳米粒子; （S120）将磁性纳米颗粒的第一磁场施加到磁性纳米颗粒以具有共振频率; （S130）通过以具有共振频率的磁性纳米颗粒施加第二磁场来激活磁性纳米颗粒
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公开(公告)号：KR1020130128570A
公开(公告)日：2013-11-27
申请号：KR1020120052378
申请日：2012-05-17
Applicant: 서울대학교산학협력단
IPC: H01L27/115 , H01L21/8247 , G11C11/15
CPC classification number: G11C11/161 , G11C11/1675 , H01L43/08 , G11C11/16 , H01L27/222 , H01L43/12
Abstract: The present invention relates to a logic device and a method using a magnetic thin film structure having a magnetic vortex structure. The present invention comprises magnetic thin film structures having magnetic vortex structures which are periodically arranged. The feature of the present invention is to output a signal from a signal output magnetic thin film structure if a rotary motion of a magnetic vortex core which is applied to a signal injection magnetic thin film structure arranged over both sides based on the signal output magnetic thin film structure causes a rotary motion of a magnetic vortex core to a neighboring signal output magnetic thin film structure. [Reference numerals] (1) Signal output magnetic thin film;(11) First signal injecting magnetic thin film;(12) Second signal injecting magnetic thin film
Abstract translation: 本发明涉及一种使用具有磁涡旋结构的磁性薄膜结构的逻辑器件和方法。 本发明包括具有定期布置的磁涡旋结构的磁性薄膜结构。 本发明的特征在于，如果基于信号输出磁性薄膜将施加到两侧的信号注入磁性薄膜结构的磁涡流芯的旋转运动输出来自信号输出磁性薄膜结构的信号 膜结构导致磁涡流芯到相邻信号输出磁薄膜结构的旋转运动。 （附图标记）（1）信号输出磁性薄膜;（11）第一信号注入磁性薄膜;（12）第二信号注入磁性薄膜
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公开(公告)号：KR1020090040035A
公开(公告)日：2009-04-23
申请号：KR1020070105596
申请日：2007-10-19
Applicant: 서울대학교산학협력단
IPC: G11C11/15
CPC classification number: G11C11/161 , G11C11/1673 , G11C5/02 , G11C11/15 , H01L27/222 , H01L43/08 , H01L43/10
Abstract: An ultrafast nonvolatile magnetic random access memory is provided to drive a magnetic random access memory with low power consumption by using a pair of driving electrodes or a plurality of electrodes. A reading electrode(110) is used for reading data stored in a magnetic recording element. A pinned layer(120) is formed on the reading electrode with a plate shape, and an insulating film(130) is formed on the pinned layer with the same shape as the pinned layer. The insulating layer is used in order to read out the data of the magnetic recording element. The free layer(140) is formed on the insulating layer with the same shape the insulating layer while being made of a ferromagnetic substance.
Abstract translation: 提供了一种超快速非易失性磁性随机存取存储器，通过使用一对驱动电极或多个电极来驱动具有低功耗的磁性随机存取存储器。 读取电极（110）用于读取存储在磁记录元件中的数据。 在读取电极上形成有板状的层（120），并且在被钉扎层上形成与被钉扎层相同形状的绝缘膜（130）。 为了读出磁记录元件的数据，使用绝缘层。 在由绝缘层形成绝缘层的同时由铁磁性物质形成的自由层（140）形成绝缘层。
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公开(公告)号：KR1020090040033A
公开(公告)日：2009-04-23
申请号：KR1020070105593
申请日：2007-10-19
Applicant: 서울대학교산학협력단
CPC classification number: G11C11/161 , G11C11/1673 , G11B5/39 , G11B5/1278 , G11B2005/3996
Abstract: An information interpretation method of a magnetic recording element is provided to increase the rotation radius of the center of magnetic vortex selectively according to the perpendicular magnetization direction of the center of the magnetic vortex by applying current or magnetic field, whose directions are changed according to time, on a magnetic recording element. An information interpretation method of a magnetic recording element comprises: a step(S2010) for preparing the magnetic recording element including a magnetic free layer with magnetic vortex; a step(S2020) for assigning 0 or 1 according to the perpendicular magnetization direction of the center of the magnetic vortex formed in the magnetic free layer; a step(S2030) for rotating the center of the magnetic vortex on the magnetic free layer; and a step(S2040) for reading 0 or 1 assigned according to the perpendicular magnetization direction of the center of the magnetic vortex.
Abstract translation: 提供磁记录元件的信息解释方法，通过施加电流或磁场，根据时间改变方向，根据磁涡旋中心的垂直磁化方向选择性地增加磁涡旋心的旋转半径 在磁记录元件上。 磁记录元件的信息解释方法包括：制备包括具有磁涡旋的磁性层的磁记录元件的步骤（S2010） 根据形成在磁性自由层中的磁涡的中心的垂直磁化方向分配0或1的步骤（S2020）; 用于在磁性自由层上旋转磁涡旋的中心的步骤（S2030）; 以及用于读取根据磁涡旋中心的垂直磁化方向分配的0或1的步骤（S2040）。
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Patent Agency Ranking
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公开(公告)号：KR1020140098427A
公开(公告)日：2014-08-08
申请号：KR1020130011061
申请日：2013-01-31
Applicant: 서울대학교산학협력단
IPC: H02N11/00
CPC classification number: H02N11/006 , B82Y25/00
Abstract: The present invention relates to a micro motor using a magnetic vortex structure and a nano-ring magnetic thin film. The present invention comprises: a first magnetic thin film which is formed in a ring shape and has a spin alignment of an onion structure including fixed two walls; and a second magnetic thin film which is disposed inside the first magnetic thin film and formed with a magnetic vortex. According to the structure, the present invention can be produced in the size of ultrafine and also can produce the motor capable of rotating at high speed. Therefore, the present invention can be widely used in various small precision machinery fields such as a semiconductor chip and a drug delivery device.
Abstract translation: 本发明涉及一种使用磁涡旋结构和纳米环磁性薄膜的微型电动机。 本发明包括：第一磁性薄膜，其形成为环形并且具有包括固定的两个壁的洋葱结构的旋转取向; 以及第二磁性薄膜，其设置在第一磁性薄膜的内部并形成有磁涡流。 根据该结构，本发明可以以超细的尺寸制造，并且还可以生产能够高速旋转的电机。 因此，本发明可广泛用于各种小型精密机械领域，例如半导体芯片和药物输送装置。
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公开(公告)号：KR101029715B1
公开(公告)日：2011-04-18
申请号：KR1020090106068
申请日：2009-11-04
Applicant: 서울대학교산학협력단
IPC: G11C11/15
CPC classification number: G11C11/1675 , G11C11/5607 , G11C11/16 , G11C5/02 , H01L27/222
Abstract: PURPOSE: A magnetic vortex core for a recording multi-bit magnetic recording element and a switching method thereof are provided to easily switch the vertical magnetic direction and horizontal magnetic direction of the magnetic vortex core by applying at least one pulse current. CONSTITUTION: A lamination structure is prepared. The lamination structure comprises a magnetic film(410), a non-magnetic film(420), and deflection layer(430). The non-magnetic layer is formed on the magnetic film. A deflection layer is formed on the non-magnetic layer. At least one pulse type is applied. The current penetrates the lamination structure. The current converts the magnetization arrangement of the magnetic film.
Abstract translation: 目的：提供一种用于记录多位磁记录元件的磁涡心及其切换方法，以便通过施加至少一个脉冲电流来容易地切换磁涡流核心的垂直磁方向和水平磁方向。 构成：制备层压结构。 层压结构包括磁膜（410），非磁性膜（420）和偏转层（430）。 非磁性层形成在磁性膜上。 在非磁性层上形成偏转层。 至少应用一种脉冲类型。 电流穿透层压结构。 电流转换磁性膜的磁化布置。
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公开(公告)号：KR100947582B1
公开(公告)日：2010-03-15
申请号：KR1020080049681
申请日：2008-05-28
Applicant: 서울대학교산학협력단
IPC: H03H2/00
CPC classification number: H01P1/218 , H01F1/40 , H01F1/408 , Y10T428/32
Abstract: 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자가 개시된다. 본 발명에 따른 스핀파의 주파수 제어가 가능한 마그노닉 결정 스핀파 소자는 자성체로 이루어진 스핀파 도파로를 구비하며, 스핀파 도파로는 스핀파가 일 방향으로 진행되도록 가이드하며, 스핀파의 진행방향과 직교하는 방향의 단면의 형상, 면적 및 중심선 중 적어도 하나가 주기적으로 변화하는 마그노닉 결정부를 구비한다. 본 발명에 따르면, 동종의 자성체로 이루어진 스핀파 도파로를 이용하여 스핀파의 주파수 제어가 손쉽게 가능하게 된다.
스핀파, 마그노닉 결정, 주파수, 도파로, 주기-
公开(公告)号：KR100931553B1
公开(公告)日：2009-12-14
申请号：KR1020070105596
申请日：2007-10-19
Applicant: 서울대학교산학협력단
IPC: G11C11/15
CPC classification number: G11C11/161 , G11C11/1673
Abstract: 자기 랜덤 액세스 메모리가 개시된다. 본 발명에 따른 자기 랜덤 액세스 메모리는 행 및 열로 정렬되는 자기기록소자의 어레이로서, 자기기록소자는 판독전극, 판독전극 상에 형성된 자기고정층, 자기고정층 상에 형성된 절연막, 절연막 상에 형성되고, 자기소용돌이가 형성되어 있는 자기자유층 및 자기자유층과 오믹 콘택되도록 배치되어 있는 복수의 구동전극쌍을 구비한다. 그리고 각각의 자기기록소자는 인접한 자기기록소자와 구동전극쌍 및 판독전극을 공유하여 어레이를 이룬다. 본 발명에 의하면, 자기소용돌이가 형성된 자기자유층을 이용하여 간단한 구조로 수 나노초 이하의 시간으로 스위칭할 수 있는 자기 랜덤 액세스 메모리를 구현하는 것이 가능하다, 또한, 구동전극쌍 또는 구동전극을 복수 개 이용하여 자기 랜덤 액세스 메모리의 구동을 적은 전력으로 명확하게 할 수 있다.
자기기록소자, 자기소용돌이, 유도전압, 고유진동수, TMRAbstract translation: 提供超快非易失性磁性随机存取存储器以通过使用一对驱动电极或多个电极来以低功耗驱动磁性随机存取存储器。 读取电极（110）用于读取存储在磁记录元件中的数据。 在读取电极上以板状形成钉扎层（120），并且在钉扎层上以与钉扎层相同的形状形成绝缘膜（130）。 使用绝缘层来读出磁记录元件的数据。 自由层（140）在由铁磁性物质制成的同时形成在具有相同形状的绝缘层的绝缘层上。
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