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118 条记录 (耗时 0.031 秒)

    MAGNETORESISTIVE ELEMENT
    61.
    发明申请
    MAGNETORESISTIVE ELEMENT 有权
    磁电元件

    公开(公告)号：US20120182647A1

    公开(公告)日：2012-07-19

    申请号：US13360856

    申请日：2012-01-30

    申请人： Hiromi Fuke ,  Susumu Hashimoto ,  Masayuki Takagishi ,  Hitoshi Iwasaki

    发明人： Hiromi Fuke ,  Susumu Hashimoto ,  Masayuki Takagishi ,  Hitoshi Iwasaki

    IPC分类号： G11B5/39 ,  C23C8/00

    CPC分类号： G11B5/3909 ,  B82Y10/00 ,  B82Y25/00 ,  G01R33/093 ,  G11B5/3906 ,  G11B2005/3996 ,  H01L43/08 ,  Y10T428/1107

    摘要： According to one embodiment, a magnetoresistive element includes a first ferromagnetic layer a magnetization direction of which is pinned, a second ferromagnetic layer a magnetization direction of which is changed depending on an external magnetic field, an intermediate layer arranged between the first ferromagnetic layer and the second ferromagnetic layer and including an insulating layer and a magnetic conductive column, an alloy layer formed between the magnetic conductive column in the intermediate layer and the second ferromagnetic layer and including at least one of FeCoAl and FeCoAlCu, and a pair of electrodes configured to supply a current perpendicularly to a film plane of a stacked film including the first ferromagnetic layer, the intermediate layer, the alloy layer and the second ferromagnetic layer.

    摘要翻译： 根据一个实施例，磁阻元件包括其磁化方向被钉扎的第一铁磁层，其磁化方向根据外部磁场而改变的第二铁磁层，布置在第一铁磁层和第二铁磁层之间的中间层 第二铁磁层，并且包括绝缘层和导电柱，在中间层中的导电柱和第二铁磁层之间形成并且包括FeCoAl和FeCoAlCu中的至少一种的合金层，以及一对电极， 垂直于包括第一铁磁层，中间层，合金层和第二铁磁层的层叠膜的膜平面的电流。

    Magnetic recording apparatus utilizing a spin torque oscillator which interacts with an antenna layer in the magnetic recording medium
    62.
    发明授权
    Magnetic recording apparatus utilizing a spin torque oscillator which interacts with an antenna layer in the magnetic recording medium 有权
    利用与磁记录介质中的天线层相互作用的自旋扭矩振荡器的磁记录装置

    公开(公告)号：US08120875B2

    公开(公告)日：2012-02-21

    申请号：US12512237

    申请日：2009-07-30

    申请人： Masayuki Takagishi ,  Kenichiro Yamada ,  Hitoshi Iwasaki ,  Tomomi Funayama ,  Masahiro Takashita ,  Mariko Shimizu

    发明人： Masayuki Takagishi ,  Kenichiro Yamada ,  Hitoshi Iwasaki ,  Tomomi Funayama ,  Masahiro Takashita ,  Mariko Shimizu

    IPC分类号： G11B5/127

    CPC分类号： G11B5/314 ,  G11B2005/001 ,  G11B2005/0024

    摘要： A magnetic recording apparatus includes a magnetic recording head having a magnetic pole and a spin torque oscillator, the spin torque oscillator being placed adjacent to the magnetic pole and includes at least two magnetic layers of a first magnetic layer and a second magnetic layer, and a magnetic recording medium includes two magnetic layers of a recording layer and an antenna layer, the recording layer including a hard magnetic material, such that the antenna layer is formed closer to the magnetic recording head than the recording layer, in which the antenna layer has a resonance frequency fa lower than a resonance frequency fr of the recording layer, greater than a resonance frequency of the second magnetic layer, and the recording layer and the antenna layer are ferromagnetically coupled to each other.

    摘要翻译： 磁记录装置包括具有磁极和自旋扭矩振荡器的磁记录头，该旋转扭矩振荡器被放置成与磁极相邻，并且包括至少两个第一磁性层和第二磁性层的磁性层，以及 磁记录介质包括记录层和天线层的两个磁性层，记录层包括硬磁性材料，使得天线层比记录层更靠近磁记录头，其中天线层具有 谐振频率fa低于记录层的谐振频率fr，大于第二磁性层的共振频率，并且记录层和天线层彼此铁磁耦合。

    Magnetoresistive element, magnetic head, and magnetic reproducing apparatus
    66.
    发明申请
    Magnetoresistive element, magnetic head, and magnetic reproducing apparatus 审中-公开
    磁阻元件，磁头和磁再现装置

    公开(公告)号：US20070230069A1

    公开(公告)日：2007-10-04

    申请号：US11727404

    申请日：2007-03-26

    申请人： Hiromi Fuke ,  Susumu Hashimoto ,  Masayuki Takagishi ,  Hitoshi Iwasaki

    发明人： Hiromi Fuke ,  Susumu Hashimoto ,  Masayuki Takagishi ,  Hitoshi Iwasaki

    IPC分类号： G11B5/33

    CPC分类号： G11B5/3906 ,  B82Y10/00 ,  B82Y25/00 ,  G01R33/093 ,  G11B2005/3996 ,  H01L43/10

    摘要： A magnetoresistive element has a magnetization pinned layer including a magnetic film a magnetization direction of which is substantially pinned in one direction, a magnetization free layer including a magnetic film a magnetization direction of which is varied depending on an external magnetic field, a composite spacer layer interposed between the magnetization pinned layer and the magnetization free layer, and including an insulating portion and a magnetic metal portion, and a pair of electrodes configured to supply a sense current in a direction perpendicular to planes of the magnetization pinned layer, the composite spacer layer and the magnetization free layer, in which the magnetic film included in the magnetization pinned layer and being in contact with the composite spacer layer has a bcc structure.

    摘要翻译： 磁阻元件具有磁化被钉扎层，该磁化被钉扎层包括磁化膜，其磁化方向基本上被固定在一个方向上，磁化自由层包括磁化膜，其磁化方向根据外部磁场而变化，复合间隔层 插入在磁化固定层和磁化自由层之间，并且包括绝缘部分和磁性金属部分，以及一对电极，被配置为在与磁化被钉扎层的平面垂直的方向上提供感测电流，复合间隔层 和磁化自由层，其中包括在磁化被钉扎层中并与复合间隔层接触的磁性膜具有bcc结构。

    Magnetic head assembly
    68.
    发明授权
    Magnetic head assembly 有权
    磁头组件

    公开(公告)号：US08687321B2

    公开(公告)日：2014-04-01

    申请号：US12382940

    申请日：2009-03-26

    申请人： Kenichiro Yamada ,  Hitoshi Iwasaki ,  Masayuki Takagishi ,  Tomomi Funayama

    发明人： Kenichiro Yamada ,  Hitoshi Iwasaki ,  Masayuki Takagishi ,  Tomomi Funayama

    IPC分类号： G11B5/60

    CPC分类号： G11B5/314 ,  G11B5/02 ,  G11B5/3146 ,  G11B2005/0005 ,  G11B2005/0024 ,  H03B15/006

    摘要： A magnetic head assembly includes: a magnetic recording head, a head slider, a suspension and an actuator arm. The magnetic recording head includes a spin torque oscillator and a main magnetic pole. The spin torque oscillator includes, a first magnetic layer including at least one selected from the group consisting of a Fe—Co—Al alloy, a Fe—Co—Si alloy, a Fe—Co—Ge alloy, a Fe—Co—Mn alloy a Fe—Co—Cr alloy and a Fe—Co—B alloy, a second magnetic layer, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. The main magnetic pole is placed together with the spin torque oscillator. The magnetic recording head is mounted on the head slider. The head slider is mounted on one end of the suspension. The actuator arm is connected to other end of the suspension.

    摘要翻译： 磁头组件包括：磁记录头，磁头滑块，悬架和致动器臂。 磁记录头包括自旋扭矩振荡器和主磁极。 自旋转矩振荡器包括：第一磁性层，其包括选自由Fe-Co-Al合金，Fe-Co-Si合金，Fe-Co-Ge合金，Fe-Co-Mn 合金Fe-Co-Cr合金和Fe-Co-B合金，第二磁性层和设置在第一磁性层和第二磁性层之间的中间层。 主磁极与自旋扭矩振荡器一起放置。 磁记录头安装在磁头滑块上。 磁头滑块安装在悬架的一端。 执行器臂连接到悬架的另一端。

    MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY WITH THE SAME, AND DISK DRIVE
    69.
    发明申请
    MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY WITH THE SAME, AND DISK DRIVE 审中-公开
    磁记录头，头盖组装及磁盘驱动

    公开(公告)号：US20120262821A1

    公开(公告)日：2012-10-18

    申请号：US13296004

    申请日：2011-11-14

    申请人： Tomoko Taguchi ,  Masayuki Takagishi ,  Katsuhiko Koui ,  Kenichiro Yamada ,  Hitoshi Iwasaki

    发明人： Tomoko Taguchi ,  Masayuki Takagishi ,  Katsuhiko Koui ,  Kenichiro Yamada ,  Hitoshi Iwasaki

    IPC分类号： G11B5/23 ,  G11B17/02 ,  G11B5/48

    CPC分类号： G11B5/314 ,  G11B5/235 ,  G11B2005/0024

    摘要： According to one embodiment, a magnetic recording head includes a main pole configured to apply a recording magnetic field perpendicular to a recording medium, a trailing-shield pole opposed to the main pole with a recording gap therebetween, a high-frequency oscillator between the main pole and the trailing-shield pole in the recording gap, configured to produce a high-frequency magnetic field, a magnetic seed layer between the main pole and the high-frequency oscillator and in contact with the main pole, and a highly oriented magnetic layer of a soft magnetic material superposed on the magnetic seed layer between the main pole and the high-frequency oscillator and in contact with the high-frequency oscillator.

    摘要翻译： 根据一个实施例，磁记录头包括被配置为施加垂直于记录介质的记录磁场的主极，与主极相对的后屏蔽极，其间具有记录间隙，在主体之间的高频振荡器 磁极和后屏蔽极在记录间隙中，被配置为产生高频磁场，主极和高频振荡器之间的磁性种子​​层，并与主极接触，并且高取向磁性层 叠置在主极与高频振荡器之间的磁性种子​​层上并与高频振荡器接触的软磁性材料。

    Current perpendicular to plane magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device
    70.
    发明授权
    Current perpendicular to plane magneto-resistance effect element, magnetic head, and magnetic recording/reproducing device 失效
    电流垂直于平面磁阻效应元件，磁头和磁记录/再现装置

    公开(公告)号：US08125744B2

    公开(公告)日：2012-02-28

    申请号：US12076438

    申请日：2008-03-18

    申请人： Masayuki Takagishi ,  Hitoshi Iwasaki ,  Masahiro Takashita ,  Michiko Hara ,  Dan Abels ,  Xin Li

    发明人： Masayuki Takagishi ,  Hitoshi Iwasaki ,  Masahiro Takashita ,  Michiko Hara ,  Dan Abels ,  Xin Li

    IPC分类号： G11B5/39

    CPC分类号： G11B5/3983 ,  B82Y25/00 ,  G01R33/093 ,  G11B5/3906 ,  G11B5/398 ,  H01L43/08

    摘要： A current perpendicular to plane magneto-resistance effect element includes: a magneto-resistance effect film comprised of a fixed magnetization layer, a free magnetization layer, and a complex spacer layer including an insulating layer and current paths formed through the insulating layer; a biasing mechanism for stabilizing the free magnetization layer; a shielding mechanism for ensuring a reproducing resolution of the magneto-resistance effect element; and a pair of electrodes for flowing a current perpendicular to a film surface of the magneto-resistance effect element; wherein a resistance area product (RA:Ω×μm2) is set to 0.00062×√{square root over ((GAP))}×TW+0.06 when a track width of the magneto-resistance effect element is defined as TW (nm) and a gap length of the magneto-resistance effect element is defined as GAP (nm).

    摘要翻译： 垂直于平面磁阻效应元件的电流包括：由固定磁化层，自由磁化层和包含绝缘层的复合间隔层和通过绝缘层形成的电流通路构成的磁阻效应膜; 用于稳定自由磁化层的偏置机构; 用于确保磁阻效应元件的再现分辨率的屏蔽机构; 以及一对电极，用于垂直于磁阻效应元件的膜表面流动电流; 其中，当磁阻效应元件的磁道宽度被定义为TW（nm）时，电阻面积乘积（RA:＆OHgr;×μm2）被设定为0.00062×√{（GAP））的平方根}×TW + 0.06 ），磁阻效应元件的间隙长度被定义为GAP（nm）。