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90 条记录 (耗时 0.044 秒)

    Magneto-resistive effect type head
    71.
    发明授权
    Magneto-resistive effect type head 失效
    磁阻效应型头

    公开(公告)号：US06219206B1

    公开(公告)日：2001-04-17

    申请号：US09383214

    申请日：1999-08-26

    申请人： Shiroyasu Odai ,  Matahiro Komuro

    发明人： Shiroyasu Odai ,  Matahiro Komuro

    IPC分类号： G11B539

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/3133 ,  G11B5/3903 ,  G11B5/40 ,  G11B2005/3996 ,  Y10T29/49048

    摘要： In a magneto-resistive effect type head having provided between a lower shield layer and an upper shield layer an MR sensor with a magneto-resistive effect or a gigantic magneto-resistive effect; electrode layers electrically connected to the MR sensor; and lower and upper insulating layers mangetically and electrically isolating the MR sensor and the electrode layer from the shield layers, when the gap length is reduced and the lower and upper insulating layers are decreased in thickness, the insulating layers are more liable to a dielectric breakdown by static electricity produced in the manufacturing process of the magnetic head. In a magneto-resistive effect head, the portion of the insulating layer in which the MR sensor 30 and the lower or upper shield layer 10 or 60 do not face each other (in other words, the second lower insulating layer 22 or the second upper insulating layer 52) is formed by a lower-resistivity insulating film than the other portion of the insulating layer in which the MR sensor and the layers 10 or 60 face each other (in other words, the first lower insulating layer 21 or the first upper insulating layer 51). If electric charge accumulates in the electrode layer or shield layer by static electricity, a minute current flows through the low-resistivity insulating film, reducing a potential difference between the electrode layer and the shield layer and therefore the insulating layers can be prevented from breaking by static electricity.

    摘要翻译： 在具有下屏蔽层和上屏蔽层之间的具有磁阻效应或巨大磁阻效应的MR传感器的磁阻效应型磁头中， 电连接到MR传感器的电极层; 并且下绝缘层和上绝缘层将MR传感器和电极层与屏蔽层电气隔离，当间隙长度减小并且下绝缘层和上绝缘层的厚度减小时，绝缘层更容易受到介电击穿 通过在磁头的制造过程中产生的静电。 在磁阻效应头中，MR传感器30和下或上屏蔽层10或60不面对的绝缘层的部分（换句话说，第二下绝缘层22或第二上层 绝缘层52）通过比MR传感器和层10或60彼此面对的绝缘层的另一部分（换句话说，第一下绝缘层21或第一上层 绝缘层51）。 如果电荷通过静电积累在电极层或屏蔽层中，则微小电流流过低电阻绝缘膜，减小了电极层与屏蔽层之间的电位差，因此可以防止绝缘层破裂 静电。

    Ferromagnetic compound magnet
    74.
    发明授权
    Ferromagnetic compound magnet 失效
    铁磁复合磁铁

    公开(公告)号：US08764917B2

    公开(公告)日：2014-07-01

    申请号：US12956253

    申请日：2010-11-30

    申请人： Hiroyuki Suzuki ,  Matahiro Komuro ,  Yuichi Satsu ,  Takao Imagawa

    发明人： Hiroyuki Suzuki ,  Matahiro Komuro ,  Yuichi Satsu ,  Takao Imagawa

    IPC分类号： H01F1/055

    CPC分类号： H01F1/055 ,  C22C38/005 ,  H01F1/0552 ,  H01F1/11 ,  H01F1/112

    摘要： A ferromagnetic compound magnet in accordance with the present invention includes a ferromagnetic compound based on a binary alloy containing R—Fe system (R is a 4f transition element or Y) or a ternary allay containing R—Fe-T system (R is a 4f transition element or Y, and T is a 3d transition element except for Fe, or Mo, Nb or W), the ferromagnetic compound being characterized by: atomic percentage of the element R to the element Fe or to the elements Fe and T is 15% or lower; an element F is incorporated into an interstitial position in a crystal lattice of the alloy. The ferromagnetic compound is expressed in a chemical formula of: R2Fe17Fx; R2(Fe,T)17Fx; R3Fe29Fy; R3(Fe,T)29Fy; RFe12Fz; or R(Fe,T)12Fz (0

    摘要翻译： 根据本发明的铁磁性复合磁体包括基于含有R-Fe体系的二元合金（R为4f过渡元素或Y）或含有R-Fe-T体系的三元共聚物（R为4f）的铁磁性化合物 过渡元素或Y，T是除Fe或Mo，Nb或W以外的3d过渡元素），铁磁性化合物的特征在于：元素R与元素Fe或元素Fe和T的原子百分比为15 ％以下; 元素F被结合到合金的晶格中的间隙位置。 铁磁性化合物以化学式表示：R2Fe17Fx; R2（Fe，T）17Fx; R3Fe29Fy; R3（Fe，T）29Fy; RFe12Fz; 或R（Fe，T）12Fz（0

    Rotating machine with sintered magnet and method for producing sintered magnet
    76.
    发明授权
    Rotating machine with sintered magnet and method for producing sintered magnet 有权
    带烧结磁体的旋转机及烧结磁体制造方法

    公开(公告)号：US08350430B2

    公开(公告)日：2013-01-08

    申请号：US13453634

    申请日：2012-04-23

    申请人： Matahiro Komuro ,  Yuichi Satsu ,  Yoshii Morishita ,  Shigeaki Funyu ,  Mitsuo Katayose

    发明人： Matahiro Komuro ,  Yuichi Satsu ,  Yoshii Morishita ,  Shigeaki Funyu ,  Mitsuo Katayose

    IPC分类号： H02K1/02 ,  H02K1/27 ,  H02K21/12

    CPC分类号： H02K1/02 ,  H01F1/0577 ,  H01F41/0293 ,  H02K1/2766

    摘要： An R—Fe—B sintered magnet has a structure including main phase crystal grains and a grain boundary area surrounding the crystal grains. The sintered magnet includes fluorine and a specified metal element selected from elements belonging to Group 2 through Group 16 of periodic table excepting the rare earth element, carbon and boron. The fluorine has a higher concentration in a region closer to a magnet surface than in the center. The specified element also has a higher concentration in the region closer to the surface. The sintered magnet includes oxyfluoride containing carbon, Dy and the metal element in a grain boundary area region at a distance of 1 μm or greater from the magnet surface, and the carbon has a higher concentration than the concentration of the metal element in a region at a distance of 1 μm to 500 μm from the magnet surface.

    摘要翻译： R-Fe-B烧结磁体具有包括主相晶粒和围绕晶粒的晶界区域的结构。 烧结磁体包括除了稀土元素，碳和硼之外的选自元素周期表第2族至第16族的元素中的氟和特定金属元素。 在比中心更靠近磁体表面的区域中，氟具有较高的浓度。 指定的元件在更靠近表面的区域中也具有较高的浓度。 烧结磁体包括在磁体表面上距离为1μm以上的晶界区域中含有碳，Dy和金属元素的氟化氢，并且碳的浓度高于金属元素的浓度 与磁体表面的距离为1μm至500μm。

    RARE-EARTH MAGNET
    78.
    发明申请
    RARE-EARTH MAGNET 审中-公开
    稀土磁铁

    公开(公告)号：US20120175986A1

    公开(公告)日：2012-07-12

    申请号：US13346756

    申请日：2012-01-10

    申请人： Matahiro Komuro ,  Yuichi Satsu ,  Kunihiro Maeda ,  Yuzo Kozono

    发明人： Matahiro Komuro ,  Yuichi Satsu ,  Kunihiro Maeda ,  Yuzo Kozono

    IPC分类号： H02K21/12 ,  B32B15/04

    CPC分类号： H02K1/02 ,  H01F1/0572 ,  H01F1/0577 ,  H01F41/0293 ,  Y10T428/32 ,  Y10T428/325

    摘要： In a ferromagnetic material containing at least one kind of rare-earth element, a layer containing at least one kind of alkaline earth element or rare-earth element and fluorine is formed at the grain boundary or near the powder surface of the ferromagnetic material. A further layer containing at least one kind of rare-earth element, having a fluorine concentration lower than that of the layer described first and having a rare-earth element concentration higher than that of the host phase of the ferromagnetic material, or an oxide layer containing a rare-earth element is formed in adjacent with a portion of the layer described first.

    摘要翻译： 在含有至少一种稀土元素的铁磁材料中，在铁磁材料的晶界或粉末表面附近形成含有至少一种碱土金属或稀土元素和氟的层。 含有至少一种稀土元素的另一层，其氟浓度低于首先介绍的层，其稀土元素浓度高于铁磁材料的主相，或氧化物层 含有稀土元素的层与第一层的一部分相邻地形成。

    Sintered magnet and rotating machine equipped with the same
    80.
    发明授权
    Sintered magnet and rotating machine equipped with the same 有权
    烧结磁体和旋转机配备相同

    公开(公告)号：US07800271B2

    公开(公告)日：2010-09-21

    申请号：US12361238

    申请日：2009-01-28

    申请人： Matahiro Komuro ,  Yuichi Satsu ,  Yutaka Matsunobu ,  Takashi Yasuhara

    发明人： Matahiro Komuro ,  Yuichi Satsu ,  Yutaka Matsunobu ,  Takashi Yasuhara

    IPC分类号： H02K1/27 ,  H01F1/057 ,  B05D5/00

    CPC分类号： H01F41/0293

    摘要： The sintered magnet and the rotating machine equipped with the same are disclosed. The sintered magnet includes crystal grains of a ferromagnetic material consisting mainly of iron, and a fluoride compound or oxyfluoride compound layer containing at least one element selected from an alkali metal element, an alkali earth metal element, and a rare earth element. The layer is formed inside some of the crystal grains or in a part of a grain boundary part. An oxyfluoride compound or fluoride compound layer containing carbon in a stratified form is formed on an outermost surface of the crystal grains. The fluoride compound or oxyfluoride compound layer has a concentration gradient of carbon, contains at least one light rare earth element and at least one heavy rare earth element. The heavy rare earth element has a concentration lower than that of the light rare earth element.

    摘要翻译： 公开了烧结磁体和配备有烧结磁体的旋转机械。 烧结磁体包括主要由铁组成的铁磁材料的晶粒和含有选自碱金属元素，碱土金属元素和稀土元素中的至少一种元素的氟化合物或氟氧化物化合物层。 该层形成在一些晶粒内部或部分晶界部分中。 在晶粒的最外表面上形成含有分层形式的碳的氟氧化物化合物或氟化物化合物层。 氟化合物或氟氧化物化合物层具有碳的浓度梯度，含有至少一种轻稀土元素和至少一种重稀土元素。 重稀土元素的浓度低于轻稀土元素。