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61. 发明专利

JP2006041266A Magnetoresistive effect element, and magnetic head and magnetic reproducing apparatus using element 有权
标题翻译：使用元件的磁感应元件和磁头和磁性再生装置
公开(公告)号：JP2006041266A
公开(公告)日：2006-02-09
申请号：JP2004220512
申请日：2004-07-28
申请人： Toshiba Corp , 株式会社東芝
发明人： YUASA HIROMI , FUKUZAWA HIDEAKI , IWASAKI HITOSHI
IPC分类号： H01L43/08 , G11B5/39 , H01F10/32 , H01L43/10 , H01L43/12
摘要： PROBLEM TO BE SOLVED: To obtain an enormous resistance change rate based on a point contact between ferromagnetic substances with excellent reproducibility using a practical device structure, and indispensable when it is utilized as a magnetic reproducing head or the like.
SOLUTION: The magnetic resistance effect element 1 comprises a magnetization fixing layer 5 having a ferroelectric metal film of which a magnetization direction is fixed substantially in one direction, a magnetization free layer 7 having a ferromagnetic metal film of which a magnetization direction changes corresponding to an external magnetic field, an intermediate layer 6 interposed between the magnetization fixed layer 5 and the magnetization free layer 7, and a pair of electrodes 3, 4 for conducting a sense current perpendicularly to the film surface of each layer. The intermediate layer 6 includes an insulating layer 13 and a conduction 14 composed of a semi-metal compound or a semiconductor compound having a magnetic moment disposed in the insulating layer 13.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：使用实用的装置结构，以具有优异的再现性的铁磁性物质之间的点接触获得巨大的电阻变化率，并且当其用作磁性再现头等时是必不可少的。解决方案：磁阻效应元件1包括具有铁磁金属膜的磁化固定层5，磁化方向基本上沿一个方向固定，磁化自由层7具有磁化方向改变的强磁性金属膜对应于外部磁场，介于磁化固定层5和磁化自由层7之间的中间层6和用于传导垂直于每个膜的膜表面的感测电流的一对电极3,4。中间层6包括绝缘层13和由半金属化合物或具有设置在绝缘层13中的磁矩的半导体化合物构成的导体14.版权所有（C）2006，JPO＆NCIPI

62. 发明专利

JP2005285936A Magnetoresistive effect element, magnetic reproducing head, and magnetic reproduction device 审中-公开
标题翻译：电磁效应元件，磁性再生头和磁性再生器件
公开(公告)号：JP2005285936A
公开(公告)日：2005-10-13
申请号：JP2004094988
申请日：2004-03-29
申请人： Toshiba Corp , 株式会社東芝
发明人： YUASA HIROMI , FUKUZAWA HIDEAKI , IWASAKI HITOSHI , HASHIMOTO SUSUMU
IPC分类号： G11B5/39 , H01F10/16 , H01F10/32 , H01L43/08 , H01L43/10
摘要： PROBLEM TO BE SOLVED: To provide a current perpendicular to plane magnetoresistive effect element, capable of realizing stable reproduction of large resistance variational amount due to point contact.
SOLUTION: The magnetoresistive element is provided with a magnetization fixed layer 1 with a first magnetic material film 11 consisting of (Fe100-xCox)100-yNiy (0≤x≤100, 0≤y≤20); a free magnetization layer 5 with a second magnetic material film 51, consisting of (Fe100-xCox)100-yNiy (0≤x≤100, 0≤y≤20); an insulator layer 31 comprising a first surface contacted with the magnetization fixed layer, and a second surface contacted with the free magnetization layer; an interlayer, comprising a metal magnetic material 33 and consisting of {(Ni100-yFey)100-zCoz}100-xMx (0≤x≤40, 0≤y≤30, 0≤z≤30), where M expresses Cu, Pd, Pt, B, N, Au, or Ag, which is extended to the second surface from the first surface, and contacted with the first and second magnetic material layers; and a pair of electrodes connected electrically so as to energize sense current in almost perpendicular direction to the layer surface of the laminated body consisting of the layers 1, 5, and 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供垂直于平面磁阻效应元件的电流，能够实现由于点接触而导致的大电阻变化量的稳定再现。解决方案：磁阻元件设置有具有由（Fe100-xCox）100-yNiy（0≤x≤100,0≤y≤20）构成的第一磁性材料膜11的磁化固定层1。由（Fe100-xCox）100-yNiy（0≤x≤100,0≤y≤20）组成的具有第二磁性材料膜51的自由磁化层5; 包括与磁化固定层接触的第一表面的绝缘体层31和与自由磁化层接触的第二表面; 包含金属磁性体33，由ä（Ni100-yFey）100-zCoz} 100-xMx（0≤x≤40,0≤y≤30,0≤z≤30）组成的中间层，其中M表示Cu， Pd，Pt，B，N，Au或Ag，其从第一表面延伸到第二表面，并与第一和第二磁性材料层接触; 以及一对电极，其电连接，以便在与由层5,5组成的层叠体的层表面几乎垂直的方向上激励感测电流。（C）2006，JPO＆NCIPI

63. 发明专利

JP2005259976A Magnetoresistance effect element, magnetic head and magnetic recording and reproducing device 审中-公开
标题翻译：磁阻效应元件，磁头和磁记录和再现装置
公开(公告)号：JP2005259976A
公开(公告)日：2005-09-22
申请号：JP2004069410
申请日：2004-03-11
申请人： Toshiba Corp , 株式会社東芝
发明人： FUKUYA HIROMI , FUKUZAWA HIDEAKI , YUASA HIROMI , HASHIMOTO SUSUMU , IWASAKI HITOSHI
IPC分类号： G11B5/39 , G01R33/09 , G11B5/127 , G11B5/33 , H01F10/26 , H01F10/32 , H01L43/08
CPC分类号： H01L43/08 , B82Y10/00 , B82Y25/00 , G01R33/093 , G11B5/3906 , G11B2005/3996 , H01F10/3259 , H01F10/3272 , H01F41/325
摘要： PROBLEM TO BE SOLVED: To provide a magnetoresistance effect element which realizes a high magnetoresistance changing amount by restraining or recovering the deterioration of crystallinity. SOLUTION: The magnetoresistance effect element is equipped with a magnetization fixed layer comprising a magnetic film in which a magnetizing direction is fixed in one direction substantially; a nonmagnetic intermediate layer formed on the magnetization fixed layer; a magnetization free layer having the crystalline structure of bcc structure and comprising a magnetic film whose magnetizing direction is changed in accordance with an external magnetic field; a cap layer formed on the magnetization free layer and having the crystalline structure of fcc structure, hcp structure or the bcc structure while the most proximity distance between atoms is larger than the magnetization free layer; and a pair of electrodes provided to conduct a sense current into a substantially orthogonal direction to the film surfaces of the magnetization fixed layer, the nonmagnetic intermediate layer, the magnetization free layer, and the cap layer. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供通过抑制或回收结晶度劣化来实现高磁阻变化量的磁阻效应元件。解决方案：磁阻效应元件配备有磁化固定层，磁化固定层包括磁化膜，其中磁化方向基本上在一个方向上固定; 形成在磁化固定层上的非磁性中间层; 具有bcc结构的晶体结构的磁化自由层，并且包括磁化膜，其磁化方向根据外部磁场而变化; 形成在磁化自由层上并具有fcc结构，hcp结构或bcc结构的晶体结构的盖层，而原子之间的最接近距离大于无磁化层; 以及一对电极，用于将感测电流传导到与磁化固定层，非磁性中间层，磁化自由层和盖层的膜表面基本上正交的方向。版权所有（C）2005，JPO＆NCIPI

64. 发明专利

JP2005033216A Magnetoresistance effect element, magnetic head, and magnetic recording/reproducing device 有权
标题翻译：磁阻效应元件，磁头和磁记录/再现装置
公开(公告)号：JP2005033216A
公开(公告)日：2005-02-03
申请号：JP2004237406
申请日：2004-08-17
申请人： Toshiba Corp , 株式会社東芝
发明人： KAMIGUCHI YUZO , YUASA HIROMI , NAGATA TOMOHIKO , YODA HIROAKI
IPC分类号： G11B5/39 , H01F10/16 , H01F10/30 , H01F10/32 , H01L43/08 , H01L43/10
摘要： PROBLEM TO BE SOLVED: To provide a practical magnetoresistance effect element which has a suitable resistance value, is capable of obtaining high sensitivity, and has few magnetic layers to be controlled, and further, to provide a magnetic head, and a magnetic recording/reproducing device which use the element.
SOLUTION: In the magnetoresistance effect element through which sense current flows in a direction perpendicular to film surface, if pin or free layer is laminated by two or more kinds of ferromagnetic layers, the practical magnetoresistance effect element having the suitable resistance value is capable of obtaining the high sensitivity, and having few the magnetic layers to be controlled can be provided while it effectively utilizes spin parasitic scattering effect.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有合适的电阻值的实用的磁阻效应元件，能够获得高灵敏度，并且具有很少的磁层被控制，并且还提供一种磁头和一个磁性使用该元件的记录/再现装置。解决方案：在感应电流沿垂直于膜表面的方向流动的磁阻效应元件中，如果通过两种或多种铁磁层层叠引脚或自由层，则具有适当电阻值的实际磁阻效应元件为能够获得高灵敏度，并且可以提供几乎没有要控制的磁性层，同时有效地利用自旋寄生散射效应。版权所有（C）2005，JPO＆NCIPI

65. 发明专利

JP2003060263A Magnetoresistive effect element, magnetic head, and magnetic reproducer 有权
标题翻译：磁感应元件，磁头和磁性复制器
公开(公告)号：JP2003060263A
公开(公告)日：2003-02-28
申请号：JP2001246583
申请日：2001-08-15
申请人： Toshiba Corp , 株式会社東芝
发明人： YUASA HIROMI , KAMIGUCHI YUZO , YOSHIKAWA MASAHISA , KOUI KATSUHIKO , IWASAKI HITOSHI , NAGATA TOMOHIKO , SAKAKUBO TAKEO , SAHASHI MASASHI
IPC分类号： G01R33/09 , G11B5/00 , G11B5/39 , H01F10/30 , H01F10/32 , H01L43/08 , H01L43/10
CPC分类号： B82Y25/00 , B82Y10/00 , G01R33/093 , G11B5/00 , G11B5/3903 , G11B2005/3996 , H01F10/30 , H01F10/3227 , H01F10/3272 , H01F10/3295 , H01L43/10
摘要： PROBLEM TO BE SOLVED: To provide a magnetoresistive effect element with a large variation range in resistance, a magnetic head with the magnetoresistive effect element, and a magnetic reproducer with respect to a vertical conducting type magnetoresistive element having a pin valve structure. SOLUTION: In a spin valve type element, an interface insertion layer (32 or 34), made of material with large spin dependent interface scattering, is inserted at a magnetized fixed layer (16) or a magnetized free layer (20) on the side of a nonmagnetic intermediate layer (18). In addition, when a nonmagnetic back face layer (36) is inserted in an interface on the side which is not in contact with the nonmagnetic intermediate layer, a spin-dependent interface scattering at an interface of magnetized fixed layer/nonmagnetic back face layer or at an interface of magnetized free layer/nonmagnetic back face layer is available, and the output can be increased.
摘要翻译：要解决的问题：提供一种电阻变化范围大的磁阻效应元件，具有磁阻效应元件的磁头和相对于具有销阀结构的垂直导电型磁阻元件的磁性再现器。解决方案：在自旋阀型元件中，由具有大自旋相关界面散射的材料制成的界面插入层（32或34）插入在磁化固定层（16）或侧面上的磁化自由层（20）的非磁性中间层（18）。此外，当非磁性背面层（36）插入在与非磁性中间层不接触的一侧的界面中时，在磁化固定层/非磁性背面层的界面处的自旋相关界面在磁化自由层/非磁性背面层的界面是可用的，并且可以增加输出。

66. 发明专利

JP2015043247A 磁気記録ヘッド、及びこれを用いた磁気記録再生装置审中-公开
标题翻译：磁记录头和磁记录再现装置
公开(公告)号：JP2015043247A
公开(公告)日：2015-03-05
申请号：JP2013174606
申请日：2013-08-26
申请人：株式会社東芝 , Toshiba Corp
发明人： KOI KATSUHIKO , YUASA HIROMI , SHIMIZU MARIKO , MURAKAMI SHUICHI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/3133 , G11B5/235 , G11B5/3106 , G11B5/3136 , G11B2005/0021
摘要：【課題】動作中の温度が高い環境でも高周波発振素子の温度が低く保たれて発振が劣化することのない、高周波アシスト磁気記録ヘッドを得る。【解決手段】実施形態に係る磁気記録ヘッドは、発振積層体と主磁極の間に冷却発熱材料が設けられ、冷却発熱材料は該発振積層体から順に積層された、発振積層体の断面積と同じ断面積を有する第1の熱電材料層、発振積層体の断面積と同じ断面積を有する第1の金属材料層、主磁極と同じ断面積を有する第2の金属材料層、及び主磁極と同じ断面積を有する第2の熱電材料層を含む。【選択図】図1
摘要翻译：要解决的问题：提供一种能够将高频振荡元件保持在低温下的高频辅助磁记录头，以防止即使在高温操作环境下的振动也会降低。解决方案：磁记录头包括：第一热电材料层，其在振荡层叠和主极之间具有冷却发热材料，其中所述冷却发热材料的横截面面积与所述振荡层压体的横截面面积相同，所述横截面面积从振荡层压; 第一金属材料层，其截面积与振荡层压板的横截面积相同; 第二金属材料层，其横截面积与主极的截面积相同; 以及具有与主极相同的横截面积的第二热电材料层。

67. 发明专利

JP2014216333A 熱電変換素子审中-公开
标题翻译：热电转换器
公开(公告)号：JP2014216333A
公开(公告)日：2014-11-17
申请号：JP2013089414
申请日：2013-04-22
申请人：株式会社東芝 , Toshiba Corp
发明人： YUASA HIROMI , KAMIGUCHI YUZO
IPC分类号： H01L29/82 , H01L35/18 , H01L35/20 , H01L37/00
CPC分类号： H01L37/00
摘要：【課題】本発明の実施形態によれば、高い発電効率を有する熱電変換素子を提供することができる。【解決手段】熱電変換素子は、基板と、非磁性金属層と、前記基板と前記非磁性金属層との間に設けられ、磁化が一方向に固定された絶縁強磁性層と、前記絶縁強磁性層と前記非磁性金属層との間に設けられた金属強磁性層と、を備える。【選択図】図1
摘要翻译：要解决的问题：提供具有高发电效率的热电换能器。解决方案：热电换能器包括：基板; 非磁性金属层; 绝缘铁磁层，设置在基板和非磁性金属层之间，其磁化在一个方向上固定; 以及设置在绝缘铁磁层和非磁性金属层之间的金属铁磁层。

68. 发明专利

JP2011244938A Blood pressure sensor 有权
标题翻译：血压传感器
公开(公告)号：JP2011244938A
公开(公告)日：2011-12-08
申请号：JP2010119568
申请日：2010-05-25
申请人： Toshiba Corp , 株式会社東芝
发明人： YUASA HIROMI , FUKUZAWA HIDEAKI , FUJI YOSHIHIKO , DEVIN GIDDINGS , HARA MICHIKO , MURAKAMI SHUICHI
IPC分类号： A61B5/022
CPC分类号： A61B5/02141 , A61B5/0004 , A61B5/021 , A61B5/6824 , A61B5/6833 , A61B2560/0214 , A61B2562/028 , G01L9/16 , G01L19/06 , G01L19/069
摘要： PROBLEM TO BE SOLVED: To provide a blood pressure sensor for measuring a blood pressure with high sensitivity and continuous way.SOLUTION: A blood pressure sensor includes: a substrate mounted on a blood pressure measurement part of a subject and bent to generate a tensile stress at least in one direction; a first electrode provided on the substrate; a pinned magnetic layer provided on the first substrate and having magnetization in one direction; a nonmagnetic layer provided on the pinned magnetic layer; a magnetic free layer provided on the nonmagnetic layer and having magnetization in a variable direction; and a second electrode provided on the magnetic free layer. The magnetization direction of the magnetic free layer is different from the first direction in which the tensile stress is generated and from a direction perpendicular to the first direction.
摘要翻译：要解决的问题：提供一种用于以高灵敏度和连续的方式测量血压的血压传感器。解决方案：血压传感器包括：安装在受试者的血压测量部分上并弯曲以至少在一个方向产生拉伸应力的基底; 设置在所述基板上的第一电极; 设置在第一基板上并具有一个方向的磁化的钉扎磁性层; 设置在被钉扎的磁性层上的非磁性层; 设置在非磁性层上并具有可变方向的磁化的无磁性层; 以及设置在无磁层上的第二电极。磁性自由层的磁化方向不同于产生拉伸应力的第一方向和与第一方向垂直的方向。版权所有（C）2012，JPO＆INPIT

69. 发明专利

JP2011228545A Magnetoresistance effect element and magnetic recording and reproducing device 有权
标题翻译：磁阻效应元件和磁记录和再现装置
公开(公告)号：JP2011228545A
公开(公告)日：2011-11-10
申请号：JP2010098191
申请日：2010-04-21
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKEO AKIHIKO , FUJI YOSHIHIKO , YUASA HIROMI , HARA MICHIKO , MURAKAMI SHUICHI , FUKUZAWA HIDEAKI
IPC分类号： H01L43/08 , G11B5/39 , H01L43/10
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , B82Y40/00 , G01R33/093 , G01R33/098 , G11B5/3906 , H01F10/3254 , H01F10/3272 , H01F41/307 , H01F41/325 , H01L43/08 , Y10T428/1114
摘要： PROBLEM TO BE SOLVED: To provide a magnetoresistance effect element with a high MR change rate and a magnetic recording/reproducing device using the element.SOLUTION: The magnetoresistance effect element includes: a laminate including a cap layer, a magnetized fixing layer, a magnetized free layer arranged between the cap layer and the magnetized fixing layer, a tunnel insulating spacer layer arranged between the magnetized fixing layer and the magnetized free layer, and a function layer installed in the magnetized fixing layer, between the magnetized fixing layer and the tunnel insulating spacer layer, between the tunnel insulating spacer layer and the magnetized free layer, in the magnetized free layer or between the magnetized free layer and the cap layer has an oxide including at least one element selected from Zn, In, Sn and Cd and at least one element selected from Fe, Co and Ni; and a pair of electrodes for making a current flow vertically to a film face of the laminate.
摘要翻译：要解决的问题：提供具有高MR变化率的磁阻效应元件和使用该元件的磁记录/再现装置。解决方案：磁阻效应元件包括：层叠体，包括盖层，磁化固定层，布置在盖层和磁化固定层之间的磁化自由层，隧道绝缘隔离层，布置在磁化固定层和磁化自由层和安装在磁化固定层中的功能层之间，磁化固定层和隧道绝缘间隔层之间，隧道绝缘间隔层和磁化自由层之间，磁化自由层或磁化自由层之间并且所述盖层具有包括选自Zn，In，Sn和Cd中的至少一种元素的氧化物和选自Fe，Co和Ni中的至少一种元素; 以及用于使电流垂直于层压体的膜面的一对电极。版权所有（C）2012，JPO＆INPIT

70. 发明专利

JP2011210368A Magnetic recording medium 有权
标题翻译：磁记录介质
公开(公告)号：JP2011210368A
公开(公告)日：2011-10-20
申请号：JP2011142037
申请日：2011-06-27
申请人： Toshiba Corp , 株式会社東芝
发明人： KAMATA YOSHIYUKI , YUASA HIROMI , MURAKAMI SHUICHI , FUKUZAWA HIDEAKI , HARA MICHIKO , FUJI YOSHIHIKO , SAKURAI MASATOSHI
IPC分类号： G11B5/65 , G11B5/72
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording medium (patterned medium) that removes process damage to prevent deterioration in magnetic property.SOLUTION: The magnetic recording medium includes: protruding patterns of magnetic recording layers, patterns of nonmagnetic layers formed by deactivating magnetism of the magnetic recording layer and formed between the protruding patterns of the magnetic recording layers with a height lower than the height of the protruding patterns of the magnetic recording layers, and carbon protection films formed on the protruding patterns of the magnetic recording layers and patterns of the nonmagnetic layers. The surfaces of the patterns of the nonmagnetic layer are formed in porous shapes.
摘要翻译：要解决的问题：提供一种消除工艺损伤以防止磁性劣化的磁记录介质（图案化介质）。解决方案：磁记录介质包括：磁记录层的突出图案，通过去磁的磁性形成的非磁性层的图案磁记录层形成在磁记录层的突出图案之间的高度低于磁记录层的突出图案的高度，以及形成在磁记录层的突出图案上的碳保护膜和非磁性层。非磁性层的图案的表面形成为多孔形状。

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