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    MAGNETORESISTIVE DEVICE AND MAGNETIC MEMORY
    1.
    发明申请
    MAGNETORESISTIVE DEVICE AND MAGNETIC MEMORY 有权
    磁性器件和磁性存储器

    公开(公告)号：US20130028011A1

    公开(公告)日：2013-01-31

    申请号：US13424769

    申请日：2012-03-20

    申请人： Eiji KITAGAWA ,  Naoharu SHIMOMURA ,  Hiroaki Yoda ,  Junichi ITO ,  Minoru AMANO ,  Chikayoshi KAMATA ,  Keiko ABE

    发明人： Eiji KITAGAWA ,  Naoharu SHIMOMURA ,  Hiroaki Yoda ,  Junichi ITO ,  Minoru AMANO ,  Chikayoshi KAMATA ,  Keiko ABE

    IPC分类号： G11C11/16

    CPC分类号： G11C11/161 ,  G11C11/1659 ,  G11C11/1673 ,  G11C11/1675 ,  G11C19/0808

    摘要： A magnetoresistive device of an embodiment includes: first and second devices each including, a first magnetic layer having a changeable magnetization perpendicular to a film plane, a second magnetic layer having a fixed and perpendicular magnetization, and a nonmagnetic layer interposed between the first and second magnetic layers, the first and second devices being disposed in parallel on a first face of an interconnect layer; and a TMR device including a third magnetic layer having perpendicular magnetic anisotropy and having a changeable magnetization, a fourth magnetic layer having a fixed magnetization parallel to a film plane, and a tunnel barrier layer interposed between the third and fourth magnetic layers, the TMR device being disposed on a second face of the interconnect layer, and the third magnetic layer being magnetostatically coupled to the first magnetic layers of the first and second devices.

    摘要翻译： 实施例的磁阻装置包括：第一和第二装置，每个包括：具有垂直于膜平面的可变磁化的第一磁性层，具有固定和垂直磁化的第二磁性层，以及介于第一和第二磁化层之间的非磁性层 磁性层，所述第一和第二装置平行布置在互连层的第一面上; 以及包括具有垂直磁各向异性并且具有可变磁化的第三磁性层的TMR器件，具有与膜平面平行的固定磁化强度的第四磁性层和介于第三和第四磁性层之间的隧道势垒层，TMR器件 布置在所述互连层的第二面上，并且所述第三磁性层被静磁耦合到所述第一和第二器件的第一磁性层。

    Magnetoresistive device and nonvolatile memory with the same
    2.
    发明授权
    Magnetoresistive device and nonvolatile memory with the same 有权
    磁阻器件与非易失性存储器相同

    公开(公告)号：US08879307B2

    公开(公告)日：2014-11-04

    申请号：US13424769

    申请日：2012-03-20

    申请人： Eiji Kitagawa ,  Naoharu Shimomura ,  Hiroaki Yoda ,  Junichi Ito ,  Minoru Amano ,  Chikayoshi Kamata ,  Keiko Abe

    发明人： Eiji Kitagawa ,  Naoharu Shimomura ,  Hiroaki Yoda ,  Junichi Ito ,  Minoru Amano ,  Chikayoshi Kamata ,  Keiko Abe

    IPC分类号： G11C11/00 ,  G11C11/16 ,  G11C19/08

    CPC分类号： G11C11/161 ,  G11C11/1659 ,  G11C11/1673 ,  G11C11/1675 ,  G11C19/0808

    摘要： A magnetoresistive device of an embodiment includes: first and second devices each including, a first magnetic layer having a changeable magnetization perpendicular to a film plane, a second magnetic layer having a fixed and perpendicular magnetization, and a nonmagnetic layer interposed between the first and second magnetic layers, the first and second devices being disposed in parallel on a first face of an interconnect layer; and a TMR device including a third magnetic layer having perpendicular magnetic anisotropy and having a changeable magnetization, a fourth magnetic layer having a fixed magnetization parallel to a film plane, and a tunnel barrier layer interposed between the third and fourth magnetic layers, the TMR device being disposed on a second face of the interconnect layer, and the third magnetic layer being magnetostatically coupled to the first magnetic layers of the first and second devices.

    摘要翻译： 实施例的磁阻装置包括：第一和第二装置，每个包括：具有垂直于膜平面的可变磁化的第一磁性层，具有固定和垂直磁化的第二磁性层，以及介于第一和第二磁化层之间的非磁性层 磁性层，所述第一和第二装置平行布置在互连层的第一面上; 以及包括具有垂直磁各向异性并且具有可变磁化的第三磁性层的TMR器件，具有与膜平面平行的固定磁化强度的第四磁性层和介于第三和第四磁性层之间的隧道势垒层，TMR器件 布置在所述互连层的第二面上，并且所述第三磁性层被静磁耦合到所述第一和第二器件的第一磁性层。

    Magnetoresistive element and magnetic memory
    4.
    发明授权
    Magnetoresistive element and magnetic memory 有权
    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。

    Magnetic memory and method of manufacturing the same
    5.
    发明授权
    Magnetic memory and method of manufacturing the same 有权
    磁存储器及其制造方法

    公开(公告)号：US08710605B2

    公开(公告)日：2014-04-29

    申请号：US13231894

    申请日：2011-09-13

    申请人： Shigeki Takahashi ,  Yuichi Ohsawa ,  Junichi Ito ,  Chikayoshi Kamata ,  Saori Kashiwada ,  Minoru Amano ,  Hiroaki Yoda

    发明人： Shigeki Takahashi ,  Yuichi Ohsawa ,  Junichi Ito ,  Chikayoshi Kamata ,  Saori Kashiwada ,  Minoru Amano ,  Hiroaki Yoda

    IPC分类号： H01L29/72

    CPC分类号： H01L43/12 ,  H01L27/228 ,  H01L43/08 ,  H01L43/10

    摘要： A magnetic memory according to an embodiment includes: at least one memory cell comprising a magnetoresistive element as a memory element, and first and second electrodes that energize the magnetoresistive element. The magnetoresistive element includes: a first magnetic layer having a variable magnetization direction perpendicular to a film plane; a tunnel barrier layer on the first magnetic layer; and a second magnetic layer on the tunnel barrier layer, and having a fixed magnetization direction perpendicular to the film plane. The first magnetic layer including: a first region; and a second region outside the first region so as to surround the first region, and having a smaller perpendicular magnetic anisotropy energy than that of the first region. The second magnetic layer including: a third region; and a fourth region outside the third region, and having a smaller perpendicular magnetic anisotropy energy than that of the third region.

    摘要翻译： 根据实施例的磁存储器包括：包括作为存储元件的磁阻元件的至少一个存储单元，以及激励磁阻元件的第一和第二电极。 磁阻元件包括：具有与膜平面垂直的可变磁化方向的第一磁性层; 在第一磁性层上的隧道阻挡层; 以及隧道势垒层上的第二磁性层，并且具有与膜平面垂直的固定的磁化方向。 所述第一磁性层包括：第一区域; 以及围绕第一区域的第一区域外的第二区域，并且具有比第一区域小的垂直磁各向异性能量。 第二磁性层包括：第三区域; 以及第三区域外的第四区域，并且具有比第三区域小的垂直磁各向异性能量。

    MAGNETORESISTIVE ELEMENT AND MAGNETIC MEMORY
    6.
    发明申请
    MAGNETORESISTIVE ELEMENT AND MAGNETIC MEMORY 有权
    磁性元件和磁记忆

    公开(公告)号：US20120241827A1

    公开(公告)日：2012-09-27

    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： H01L27/22 ,  H01L43/10 ,  H01L43/02

    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。

    Magnetoresistive effect device and magnetic memory
    7.
    发明授权
    Magnetoresistive effect device and magnetic memory 有权
    磁阻效应器和磁记忆体

    公开(公告)号：US08223533B2

    公开(公告)日：2012-07-17

    申请号：US12556883

    申请日：2009-09-10

    申请人： Jyunichi Ozeki ,  Naoharu Shimomura ,  Sumio Ikegawa ,  Tadashi Kai ,  Masahiko Nakayama ,  Hisanori Aikawa ,  Tatsuya Kishi ,  Hiroaki Yoda ,  Eiji Kitagawa ,  Masatoshi Yoshikawa

    发明人： Jyunichi Ozeki ,  Naoharu Shimomura ,  Sumio Ikegawa ,  Tadashi Kai ,  Masahiko Nakayama ,  Hisanori Aikawa ,  Tatsuya Kishi ,  Hiroaki Yoda ,  Eiji Kitagawa ,  Masatoshi Yoshikawa

    IPC分类号： G11C11/00

    CPC分类号： H01L27/228 ,  B82Y25/00 ,  G11C11/161 ,  G11C11/5607 ,  H01F10/123 ,  H01F10/3254 ,  H01F10/3277 ,  H01F10/3286 ,  H01F10/329 ,  H01L43/08

    摘要： A magnetic memory includes a magnetoresistive effect device comprising: a first ferromagnetic layer that has magnetic anisotropy in a direction perpendicular to a film plane thereof; a first nonmagnetic layer that is provided on the first ferromagnetic layer; a first reference layer that is provided on the first nonmagnetic layer, has magnetic anisotropy in a direction perpendicular to a film plane thereof, has magnetization antiparallel to a magnetization direction of the first ferromagnetic layer, and has a film thickness that is 1/5.2 to 1/1.5 times as large as a film thickness of the first ferromagnetic layer in the direction perpendicular to the film plane; a second nonmagnetic layer that is provided on the first reference layer; and a storage layer that is provided on the second nonmagnetic layer, has magnetic anisotropy in a direction perpendicular to a film plane thereof, and has a magnetization direction varied by spin-polarized electrons caused by flowing the current to the magnetoresistive effect device.

    摘要翻译： 磁存储器包括磁阻效应器件，包括：在垂直于其膜平面的方向上具有磁各向异性的第一铁磁层; 设置在第一铁磁层上的第一非磁性层; 设置在第一非磁性层上的第一参考层在垂直于其膜平面的方向上具有磁各向异性，具有与第一铁磁层的磁化方向反平行的磁化，并且具有1 / 5.2〜 在第一铁磁层的垂直于膜平面的方向上的膜厚度的1/15倍; 设置在第一参考层上的第二非磁性层; 并且设置在第二非磁性层上的存储层在垂直于其膜平面的方向上具有磁各向异性，并且由于使电流流向磁阻效应器而引起的由自旋极化电子变化的磁化方向。