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    METHOD FOR MANUFACTURING MAGNETIC PARTICLE COMPOSITE
    23.
    发明公开
    METHOD FOR MANUFACTURING MAGNETIC PARTICLE COMPOSITE 审中-公开
    VERFAHREN ZUR HERSTELLUNG EINES MAGNETPARTIKELVERBUNDSTOFFES

    公开(公告)号：EP2805987A1

    公开(公告)日：2014-11-26

    申请号：EP12866176.6

    申请日：2012-01-18

    Applicant: RBC Bioscience Corp.

    Inventor： YOUNG, Tai-Horng ,  CHANG, Hsu-Hsien ,  KUAN, Cheng-Chun ,  CHUNG, Ting-Hao

    IPC: C08J3/16 ,  C08K3/10

    CPC classification number: C08J3/215 ,  C08K9/10 ,  C08K2201/01 ,  C08K2201/011

    Abstract: Disclosed is a method for manufacturing a magnetic particle composite, which comprises the following steps: providing magnetic nanoparticles; providing water-soluble macromolecules, and dissolving the water-soluble macromolecules to form a water-soluble macromolecular solution; uniformly mixing the magnetic nanoparticles with the water-soluble macromolecular solution to form a first mixed solution; providing a dispersed solution, and uniformly mixing the dispersed solution with the frrst mixed solution to form a second mixed solution; and finally adding a hardener into the second mixed solution to form a magnetic particle composite. This manufacturing method is used to form a magnetic particle composite through control of boundary tension between immiscible liquid phases and to control the particle size of a finished product. Therefore, magnetic particle composites of different particle sizes and different saturation magnetization values can be manufactured by using a simple process at a low cost.

    Abstract translation: 公开了一种制造磁性颗粒复合材料的方法，包括以下步骤：提供磁性纳米颗粒; 提供水溶性大分子，并溶解水溶性大分子形成水溶性大分子溶液; 将磁性纳米粒子与水溶性高分子溶液均匀混合，形成第一混合溶液; 提供分散溶液，并将分散的溶液与第一混合溶液均匀混合以形成第二混合溶液; 最后在第二混合溶液中加入固化剂，形成磁性颗粒复合体。 该制造方法用于通过控制不混溶液相之间的边界张力来形成磁性颗粒复合物并且控制成品的粒度。 因此，可以通过使用简单的方法以低成本制造不同粒径和不同饱和磁化值的磁性颗粒复合材料。

    METHOD FOR MANUFACTURING A MAGNETORESISTIVE ELEMENT
    24.
    发明公开
    METHOD FOR MANUFACTURING A MAGNETORESISTIVE ELEMENT 有权
    VERFAHREN ZUR HERSTELLUNG EINES MAGNETORESISTIVEN ELEMENTS

    公开(公告)号：EP2521194A1

    公开(公告)日：2012-11-07

    申请号：EP10841058.0

    申请日：2010-12-28

    Applicant: Canon Anelva Corporation

    Inventor： NISHIMURA Kazumasa

    IPC: H01L43/12 ,  G11B5/39 ,  H01L21/8246 ,  H01L27/105 ,  H01L43/08 ,  H01L43/10

    CPC classification number: H01L43/12 ,  B82Y10/00 ,  B82Y25/00 ,  C08K2201/01 ,  G01R33/093 ,  G01R33/098 ,  G11B5/3906 ,  G11B5/3909

    Abstract: The present invention provides a manufacturing method of a magneto-resistive element capable of obtaining a higher MR ratio, in a method of forming a metal oxide layer (e.g., MgO layer) by oxidation treatment of a metal layer (e.g., Mg layer). An embodiment of the present invention includes the steps of; providing a substrate having a first ferromagnetic layer; fabricating a tunnel barrier layer on the first ferromagnetic layer; and forming a second ferromagnetic layer on the tunnel barrier layer. The step of fabricating the tunnel barrier layer includes; the steps of; depositing a first metal layer on the first ferromagnetic layer; oxidizing the first metal layer; depositing a second metal layer on the oxidized first metal layer; and performing heating treatment on the oxidized first metal layer and the second metal layer at a temperature at which the second metal layer boils.

    Abstract translation: 本发明提供了在通过金属层（例如Mg层）的氧化处理形成金属氧化物层（例如，MgO层）的方法中能够获得更高MR比的磁阻元件的制造方法。 本发明的一个实施例包括以下步骤： 提供具有第一铁磁层的衬底; 在所述第一铁磁层上制造隧道势垒层; 以及在隧道势垒层上形成第二铁磁层。 制造隧道势垒层的步骤包括： 的步骤; 在第一铁磁层上沉积第一金属层; 氧化第一金属层; 在氧化的第一金属层上沉积第二金属层; 在第二金属层沸腾的温度下对氧化的第一金属层和第二金属层进行加热处理。

    Magnetic dispersions of ferrite particles with high magnetic energy product in flexible highly saturated nitrile rubber and methods of producing the same
    28.
    发明公开
    Magnetic dispersions of ferrite particles with high magnetic energy product in flexible highly saturated nitrile rubber and methods of producing the same 失效
    具有高灵敏度高耐磨尼龙橡胶的高磁性能量产品的铁氧体颗粒的磁性分散体及其生产方法

    公开(公告)号：EP0418807A3

    公开(公告)日：1991-12-11

    申请号：EP90117920.0

    申请日：1990-09-18

    Applicant: RJF INTERNATIONAL CORPORATION

    Inventor： Srail, Raymond Charles ,  Glover, Richard August ,  Ho Kuan, Tiong ,  Szczepanski, Thomas Raymond

    IPC: H01F1/117

    CPC classification number: H01F1/117 ,  C08K3/22 ,  C08K3/24 ,  C08K2201/01 ,  Y10S428/90 ,  C08L15/005

    Abstract: A flexible magnetic blend composition is pro­vided which is comprised of high energy ferrite magnetic particles in a flexible high temperature resistant and oil resistant polymer binder. The binder system is preferably a highly saturated nitrile rubber (HSN) or a polymer alloy of the same in which a HSN is the major polymer containing alloying polymers and/or additives which are compatible with processing, subsequent electron beam curing, and final product performance. The system binder is highly loaded usually from 55 to 65 volume percent with the high energy ferrite particles, i.e, barium and/or strontium ferrite particles, which can produce bonded magnets with a maximum energy product of at least 1.0 megagauss-oersteds, a remenance, Br, of at least 2000 gauss, a coercive force, H c , of at least 1800 oersteds, and an intrinsic coercivity, H ci , of at least 2000 oersteds. The process for production of this system involves the binder system and ferrite particles being mixed, the ferrite particles oriented in a preferred direction during processing, then formed into a final geometry before being cured by high voltage electron beam radiation, preferably in excess of 3,000,000 electron volts. The electron beam curing in the solid state fixes dimensional stability, magnetic properties, oil, solvent, and chemical resistance of the part even when exposed to subsequent hostile temperature environments of 125 o C or higher. Any off geometry parts or trim produced in the process prior to radiation curing can be recycled through processing several times without fear of premature cure.

    Magnetic dispersions of ferrite particles with high magnetic energy product in flexible highly saturated nitrile rubber and methods of producing the same
    29.
    发明公开
    Magnetic dispersions of ferrite particles with high magnetic energy product in flexible highly saturated nitrile rubber and methods of producing the same 失效
    具有在高饱和丁腈橡胶具有高磁能积及其制造方法分散铁氧体磁性粒子。

    公开(公告)号：EP0418807A2

    公开(公告)日：1991-03-27

    申请号：EP90117920.0

    申请日：1990-09-18

    Applicant: RJF INTERNATIONAL CORPORATION

    Inventor： Srail, Raymond Charles ,  Glover, Richard August ,  Ho Kuan, Tiong ,  Szczepanski, Thomas Raymond

    IPC: H01F1/117

    CPC classification number: H01F1/117 ,  C08K3/22 ,  C08K3/24 ,  C08K2201/01 ,  Y10S428/90 ,  C08L15/005

    Abstract: A flexible magnetic blend composition is pro­vided which is comprised of high energy ferrite magnetic particles in a flexible high temperature resistant and oil resistant polymer binder. The binder system is preferably a highly saturated nitrile rubber (HSN) or a polymer alloy of the same in which a HSN is the major polymer containing alloying polymers and/or additives which are compatible with processing, subsequent electron beam curing, and final product performance. The system binder is highly loaded usually from 55 to 65 volume percent with the high energy ferrite particles, i.e, barium and/or strontium ferrite particles, which can produce bonded magnets with a maximum energy product of at least 1.0 megagauss-oersteds, a remenance, Br, of at least 2000 gauss, a coercive force, H c , of at least 1800 oersteds, and an intrinsic coercivity, H ci , of at least 2000 oersteds. The process for production of this system involves the binder system and ferrite particles being mixed, the ferrite particles oriented in a preferred direction during processing, then formed into a final geometry before being cured by high voltage electron beam radiation, preferably in excess of 3,000,000 electron volts. The electron beam curing in the solid state fixes dimensional stability, magnetic properties, oil, solvent, and chemical resistance of the part even when exposed to subsequent hostile temperature environments of 125 o C or higher. Any off geometry parts or trim produced in the process prior to radiation curing can be recycled through processing several times without fear of premature cure.

    Abstract translation: 柔性磁性共混物组合物以柔性耐高温和耐油聚合物粘合剂提供的所有其由高能量的铁氧体磁性粒子。 粘合剂体系优选是高饱和丁腈橡胶（HSN）或其中A HSN是含有合金化聚合物和/或添加剂，其与处理，随后电子束固化兼容的主要聚合物相同的聚合物合金，和最终产品的性能 ， 该系统的粘合剂是高度一般装入55〜65％（体积）与高能量的铁氧体颗粒，即，钡和/或锶的铁氧体颗粒，其可产生粘结磁铁与至少1.0兆高斯 - 奥斯特的最大能量积，一个remenance ，BR，至少2000高斯，矫顽力，HC，至少1800奥斯特，并禀矫顽力，HCl，至少2000奥斯特的。 用于生产该系统的过程涉及所述粘合剂体系和混合铁素体粒子，在加工过程中，然后成形为最终的几何形状由高电压电子束辐射固化，优选超过3000000电子之前在优选的方向上取向的铁素体粒子 伏。 在固体状态下修正的尺寸稳定性，磁学性质，耐油，耐溶剂和耐化学性的部分的即使当暴露于125 ℃或更高敌对随后的温度环境下的电子束固化。 任何几何关部分或在此过程中辐射固化之前修剪产生可通过几次处理，而不用担心过早固化的被回收。

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