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1. 发明授权

US08928055B2 Magnetic memory element 有权
标题翻译：磁记忆元件
公开(公告)号：US08928055B2
公开(公告)日：2015-01-06
申请号：US13601343
申请日：2012-08-31
申请人： Daisuke Saida , Minoru Amano , Junichi Ito
发明人： Daisuke Saida , Minoru Amano , Junichi Ito
IPC分类号： H01L27/22 , G11C11/15
CPC分类号： H01L43/08 , G11C11/161 , G11C11/1659 , H01L27/228 , H01L43/12
摘要： According to one embodiment, a magnetic memory element includes a stacked body and a conductive shield. The stacked body includes first and second stacked units. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. The first ferromagnetic layer has a fixed magnetization in a first direction. A magnetization direction of the second ferromagnetic layer is variable in a second direction. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit includes a third ferromagnetic layer stacked with the first stacked unit in a stacking direction of the first stacked unit. A magnetization direction of the third ferromagnetic layer is variable in a third direction. The conductive shield is opposed to at least a part of a side surface of the second stacked unit. An electric potential of the conductive shield is controllable.
摘要翻译：根据一个实施例，磁存储元件包括堆叠体和导电屏蔽。堆叠体包括第一和第二堆叠单元。第一堆叠单元包括第一和第二铁磁层和第一非磁性层。第一铁磁层在第一方向上具有固定的磁化强度。第二铁磁层的磁化方向在第二方向上是可变的。第一非磁性层设置在第一和第二铁磁层之间。第二堆叠单元包括在第一堆叠单元的层叠方向上与第一堆叠单元堆叠的第三铁磁层。第三铁磁层的磁化方向在第三方向上是可变的。导电屏蔽与第二堆叠单元的侧表面的至少一部分相对。导电屏蔽层的电位是可控的。

2. 发明授权

US08878317B2 Magnetoresistive element and magnetic memory 有权
标题翻译：磁阻元件和磁记忆体
公开(公告)号：US08878317B2
公开(公告)日：2014-11-04
申请号：US13210678
申请日：2011-08-16
申请人： Tadaomi Daibou , Minoru Amano , Daisuke Saida , Junichi Ito , Yuichi Ohsawa , Chikayoshi Kamata , Saori Kashiwada , Hiroaki Yoda
发明人： Tadaomi Daibou , Minoru Amano , Daisuke Saida , Junichi Ito , Yuichi Ohsawa , Chikayoshi Kamata , Saori Kashiwada , Hiroaki Yoda
IPC分类号： H01L29/82 , H01L43/10 , H01F10/32 , H01L43/08 , H01L27/22
CPC分类号： H01L43/02 , H01F10/3254 , H01F10/3272 , H01F10/3286 , H01F10/329 , H01L27/228 , H01L43/08 , H01L43/10
摘要： A magnetoresistive element according to an embodiment includes: a first to third ferromagnetic layers, and a first nonmagnetic layer, the first and second ferromagnetic layers each having an axis of easy magnetization in a direction perpendicular to a film plane, the third ferromagnetic layer including a plurality of ferromagnetic oscillators generating rotating magnetic fields of different oscillation frequencies from one another. Spin-polarized electrons are injected into the first ferromagnetic layer and induce precession movements in the plurality of ferromagnetic oscillators of the third ferromagnetic layer by flowing a current between the first and third ferromagnetic layers, the rotating magnetic fields are generated by the precession movements and are applied to the first ferromagnetic layer, and at least one of the rotating magnetic fields assists a magnetization switching in the first ferromagnetic layer.
摘要翻译：根据实施例的磁阻元件包括：第一至第三铁磁层和第一非磁性层，第一和第二铁磁层各自在垂直于膜平面的方向上具有容易磁化的轴，所述第三铁磁层包括多个铁磁振荡器产生彼此不同振荡频率的旋转磁场。旋转极化电子被注入到第一铁磁层中并通过在第一和第三铁磁层之间流动电流而引起第三铁磁层的多个铁磁振荡器中的进动运动，旋转磁场由进动运动产生，并且是施加到第一铁磁层，并且至少一个旋转磁场有助于第一铁磁层中的磁化切换。

3. 发明授权

US08737122B2 Nonvolatile memory device 有权
标题翻译：非易失性存储器件
公开(公告)号：US08737122B2
公开(公告)日：2014-05-27
申请号：US13416076
申请日：2012-03-09
申请人： Daisuke Saida , Minoru Amano , Tazumi Nagasawa , Yuichi Ohsawa , Junichi Ito
发明人： Daisuke Saida , Minoru Amano , Tazumi Nagasawa , Yuichi Ohsawa , Junichi Ito
IPC分类号： G11C11/15 , G11C11/16
CPC分类号： G11C11/16 , G11C11/161 , G11C11/1659 , G11C11/1673 , G11C11/1675 , H01L27/228 , H01L43/08
摘要： According to one embodiment, a nonvolatile memory device includes a magnetic memory element and a control unit. The magnetic memory element includes a stacked body including first and second stacked units. The first stacked unit includes a first ferromagnetic layer having a magnetization fixed, a second ferromagnetic layer having a magnetization variable and a first nonmagnetic layer provided between the first and second ferromagnetic layers. The second includes a third ferromagnetic layer having a magnetization rorated by a passed current to produce oscillation, a fourth ferromagnetic layer having a magnetization fixed and a second nonmagnetic layer provided between the third and fourth ferromagnetic layers stacked with each other. A frequency of the oscillation changes in accordance with the direction of the magnetization of the second ferromagnetic layer. The control unit includes a reading unit reading out the magnetization of the second ferromagnetic layer.
摘要翻译：根据一个实施例，非易失性存储器件包括磁存储元件和控制单元。磁存储元件包括包括第一和第二堆叠单元的堆叠体。第一堆叠单元包括具有磁化固定的第一铁磁层，具有磁化变化的第二铁磁层和设置在第一和第二铁磁层之间的第一非磁性层。第二铁磁层具有由通过的电流产生振荡的磁化的第三铁磁层，具有磁化固定的第四铁磁层和设置在彼此堆叠的第三和第四铁磁层之间的第二非磁性层。振荡的频率根据第二铁磁层的磁化方向而变化。控制单元包括读出第二铁磁层的磁化的读取单元。

4. 发明授权

US08716034B2 Method of manufacturing magnetic memory 失效
标题翻译：制造磁记忆体的方法
公开(公告)号：US08716034B2
公开(公告)日：2014-05-06
申请号：US13226868
申请日：2011-09-07
申请人： Yuichi Ohsawa , Shigeki Takahashi , Junichi Ito , Daisuke Saida , Kyoichi Suguro , Hiroaki Yoda
发明人： Yuichi Ohsawa , Shigeki Takahashi , Junichi Ito , Daisuke Saida , Kyoichi Suguro , Hiroaki Yoda
IPC分类号： H01L21/00
CPC分类号： H01L43/12 , H01L29/82
摘要： According to one embodiment, a method of manufacturing a magnetic memory, the method includes forming a first magnetic layer having a variable magnetization, forming a tunnel barrier layer on the first magnetic layer, forming a second magnetic layer on the tunnel barrier layer, the second magnetic layer having an invariable magnetization, forming a hard mask layer as a mask on the second magnetic layer, patterning the second magnetic layer by using the mask of the hard mask layer, and executing a GCIB-irradiation by using the mask of the hard mask layer, after the patterning.
摘要翻译：根据一个实施例，一种制造磁存储器的方法，该方法包括形成具有可变磁化强度的第一磁性层，在第一磁性层上形成隧道势垒层，在隧道势垒层上形成第二磁性层，具有不变磁化的磁性层，在第二磁性层上形成硬掩模层作为掩模，通过使用硬掩模层的掩模对第二磁性层进行构图，并使用硬掩模的掩模执行GCIB照射层，图案后。

5. 发明申请

US20130249024A1 MAGNETIC MEMORY ELEMENT AND NONVOLATILE MEMORY DEVICE 有权
标题翻译：磁记忆元件和非易失性存储器件
公开(公告)号：US20130249024A1
公开(公告)日：2013-09-26
申请号：US13601343
申请日：2012-08-31
申请人： Daisuke SAIDA , Minoru Amano , Junichi Ito
发明人： Daisuke SAIDA , Minoru Amano , Junichi Ito
IPC分类号： H01L43/06
CPC分类号： H01L43/08 , G11C11/161 , G11C11/1659 , H01L27/228 , H01L43/12
摘要： According to one embodiment, a magnetic memory element includes a stacked body and a conductive shield. The stacked body includes first and second stacked units. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. The first ferromagnetic layer has a fixed magnetization in a first direction. A magnetization direction of the second ferromagnetic layer is variable in a second direction. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit includes a third ferromagnetic layer stacked with the first stacked unit in a stacking direction of the first stacked unit. A magnetization direction of the third ferromagnetic layer is variable in a third direction. The conductive shield is opposed to at least a part of a side surface of the second stacked unit. An electric potential of the conductive shield is controllable.
摘要翻译：根据一个实施例，磁存储元件包括堆叠体和导电屏蔽。堆叠体包括第一和第二堆叠单元。第一堆叠单元包括第一和第二铁磁层和第一非磁性层。第一铁磁层在第一方向上具有固定的磁化强度。第二铁磁层的磁化方向在第二方向上是可变的。第一非磁性层设置在第一和第二铁磁层之间。第二堆叠单元包括在第一堆叠单元的层叠方向上与第一堆叠单元堆叠的第三铁磁层。第三铁磁层的磁化方向在第三方向上是可变的。导电屏蔽与第二堆叠单元的侧表面的至少一部分相对。导电屏蔽层的电位是可控的。

6. 发明申请

US20120244640A1 METHOD OF MANUFACTURING MULTILAYER FILM 有权
标题翻译：制造多层膜的方法
公开(公告)号：US20120244640A1
公开(公告)日：2012-09-27
申请号：US13226960
申请日：2011-09-07
申请人： Yuichi OHSAWA , Shigeki Takahashi , Junichi Ito , Daisuke Saida , Kyoichi Suguro , Hiroaki Yoda
发明人： Yuichi OHSAWA , Shigeki Takahashi , Junichi Ito , Daisuke Saida , Kyoichi Suguro , Hiroaki Yoda
IPC分类号： H01L43/12
CPC分类号： H01L43/12 , H01L29/82
摘要： According to one embodiment, a method of manufacturing a multilayer film, the method includes forming a first layer, forming a second layer on the first layer, and transcribing a crystal information of one of the first and second layers to the other one of the first and second layers by executing a GCIB-irradiation to the second layer.
摘要翻译：根据一个实施例，一种制造多层膜的方法，该方法包括：形成第一层，在第一层上形成第二层，以及将第一层和第二层之一的晶体信息转录到第一层中的另一层并且通过对第二层执行GCIB照射来产生第二层。

7. 发明申请

US20120124120A1 ADDER 失效
公开(公告)号：US20120124120A1
公开(公告)日：2012-05-17
申请号：US13349871
申请日：2012-01-13
申请人： Hirofumi Morise , Shiho Nakamura , Daisuke Saida , Tsuyoshi Kondo
发明人： Hirofumi Morise , Shiho Nakamura , Daisuke Saida , Tsuyoshi Kondo
IPC分类号： G06F7/50
CPC分类号： G06F7/388
摘要： According to an embodiment, an adder includes first and second wave computing units and a threshold wave computing unit. Each of the first and second wave computing units includes a pair of first input sections, a first wave transmission medium having a continuous film including a magnetic body connected to the first input sections, and a first wave detector outputting a result of computation by spin waves induced in the first wave transmission medium by the signals corresponding to the two bit values. The threshold wave computing unit includes a plurality of third input sections, a third wave transmission medium having a continuous film including a magnetic body connected to the third input sections, and a third wave detector a result of computation by spin waves induced in the third wave transmission medium.
摘要翻译：根据实施例，加法器包括第一和第二波计算单元和阈值波计算单元。第一和第二波形计算单元中的每一个包括一对第一输入部分，具有包括连接到第一输入部分的磁体的连续膜的第一波传播介质和输出通过自旋波的计算结果的第一波检测器在第一波传输介质中通过对应于两位值的信号感应。阈值波计算单元包括多个第三输入部分，具有包括连接到第三输入部分的磁体的连续胶片的第三波传播介质，以及第三波检测器，由第三波中感应的自旋波的计算结果传输介质。

8. 发明申请

US20120068281A1 MAGNETIC RECORDING ELEMENT AND NONVOLATILE MEMORY DEVICE 有权
标题翻译：磁记录元件和非易失性存储器件
公开(公告)号：US20120068281A1
公开(公告)日：2012-03-22
申请号：US13037592
申请日：2011-03-01
申请人： DAISUKE SAIDA , MINORU AMANO , JUNICHI ITO , YUICHI OHSAWA , SAORI KASHIWADA , CHIKAYOSHI KAMATA , SHIGEKI TAKAHASHI
发明人： DAISUKE SAIDA , MINORU AMANO , JUNICHI ITO , YUICHI OHSAWA , SAORI KASHIWADA , CHIKAYOSHI KAMATA , SHIGEKI TAKAHASHI
IPC分类号： H01L29/82
CPC分类号： H01L43/08 , G11C11/161 , G11C11/1659 , H01L27/228
摘要： According to one embodiment, a magnetic recording element includes a stacked body including a first stacked unit and a second stacked unit. The first stacked unit includes a first ferromagnetic layer, a second ferromagnetic layer and a first nonmagnetic layer. Magnetization of the first ferromagnetic layer is substantially fixed in a first direction being perpendicular to a first ferromagnetic layer surface. The second stacked unit includes a third ferromagnetic layer, a fourth ferromagnetic layer and a second nonmagnetic layer. Magnetization of the fourth ferromagnetic layer is substantially fixed in a second direction being perpendicular to a fourth ferromagnetic layer surface. The first direction is opposite to the second direction.
摘要翻译：根据一个实施例，磁记录元件包括包括第一堆叠单元和第二堆叠单元的堆叠体。第一堆叠单元包括第一铁磁层，第二铁磁层和第一非磁性层。第一铁磁层的磁化在垂直于第一铁磁层表面的第一方向上基本固定。第二堆叠单元包括第三铁磁层，第四铁磁层和第二非磁性层。第四铁磁层的磁化在垂直于第四铁磁层表面的第二方向上基本固定。第一方向与第二方向相反。

9. 发明申请

US20090207724A1 Magnetic memory 有权
标题翻译：磁记忆
公开(公告)号：US20090207724A1
公开(公告)日：2009-08-20
申请号：US12320955
申请日：2009-02-10
申请人： Satoshi Yanagi , Yuichi Ohsawa , Shiho Nakamura , Daisuke Saida , Hirofumi Morise
发明人： Satoshi Yanagi , Yuichi Ohsawa , Shiho Nakamura , Daisuke Saida , Hirofumi Morise
IPC分类号： G11B3/70
CPC分类号： G11B25/04 , G11C11/161 , G11C11/1659 , G11C11/1675
摘要： A magnetic memory is provided with a memory cell. The memory cell includes a magnetic recording element, an interconnection to generate a radio-frequency current-induced magnetic field and a ground line. The magnetic recording element is provided with a first magnetic layer whose magnetization direction is substantially fixed, a magnetic recording layer whose magnetization direction is substantially reversed by spin-polarized electrons passing through the magnetic recording layer and a first nonmagnetic layer provided between the first magnetic layer and the magnetic recording layer. The interconnection is provided above the magnetic recording element to generate a radio-frequency current-induced magnetic field acting in a direction substantially perpendicular to a magnetization easy axis of the magnetic recording layer. The ground line is provided on a side opposite to the magnetic recording element with respect to the interconnection.
摘要翻译：磁存储器设置有存储单元。存储单元包括磁记录元件，用于产生射频电流感应磁场和接地线的互连。磁记录元件设置有其磁化方向基本上固定的第一磁性层，其磁化方向基本上由通过磁记录层的自旋极化电子反转的磁记录层和设置在第一磁性层之间的第一非磁性层和磁记录层。互连设置在磁记录元件的上方，以产生沿与磁记录层的易磁化轴基本垂直的方向作用的射频电流感应磁场。接地线相对于互连设置在与磁记录元件相对的一侧上。

10. 发明申请

US20090098412A1 Magnetic recording element, manufacturing method of the same and magnetic storage system using the same 有权
标题翻译：磁记录元件，其制造方法和使用其的磁存储系统
公开(公告)号：US20090098412A1
公开(公告)日：2009-04-16
申请号：US12285429
申请日：2008-10-03
申请人： Yuichi Ohsawa , Shiho Nakamura , Hirofumi Morise , Satoshi Yanagi , Daisuke Saida
发明人： Yuichi Ohsawa , Shiho Nakamura , Hirofumi Morise , Satoshi Yanagi , Daisuke Saida
IPC分类号： G11B5/33
CPC分类号： G11C11/1675 , G11C11/161 , G11C11/1659 , Y10T428/11 , Y10T428/1121 , Y10T428/1143 , Y10T428/115
摘要： A magnetic recording element includes a multilayer having a surface and a pair of electrodes. The multilayer has a first magnetic fixed layer whose magnetization is substantially fixed in a first direction substantially perpendicular to the surface. The multilayer also has a second magnetic fixed layer whose magnetization is substantially fixed in a second direction opposite to the first direction substantially perpendicular to the surface. A third magnetic layer is provided between the first and second magnetic layers. The direction of magnetization of the third ferromagnetic layer is variable. A first intermediate layer is provided between the first and the third magnetic layers. A second intermediate layer is provided between the second and the third magnetic layers. The pair of electrodes is capable of supplying an electric current flowing in a direction substantially perpendicular to the surface to the multilayer. The sectional area taken parallel to the surface at a thickness midpoint of the first magnetic layer is larger than that of the second magnetic layer.
摘要翻译：磁记录元件包括具有表面和一对电极的多层。多层具有第一磁性固定层，其磁化基本上在基本垂直于表面的第一方向固定。多层还具有第二磁性固定层，其磁化基本上固定在与基本上垂直于表面的第一方向相反的第二方向上。第三磁性层设置在第一和第二磁性层之间。第三铁磁层的磁化方向是可变的。第一中间层设置在第一和第三磁性层之间。第二中间层设置在第二和第三磁性层之间。该对电极能够将与表面大致垂直的方向流动的电流供给到多层。在第一磁性层的厚度中点平行于表面截取的截面积大于第二磁性层的截面面积。

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