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    MANUFACTURING METHOD OF MAGNETO-RESISTIVE ELEMENT
    122.
    发明申请
    MANUFACTURING METHOD OF MAGNETO-RESISTIVE ELEMENT 有权
    磁电元件的制造方法

    公开(公告)号：US20120288963A1

    公开(公告)日：2012-11-15

    申请号：US13494797

    申请日：2012-06-12

    Applicant: Kazumasa NISHIMURA

    Inventor： Kazumasa NISHIMURA

    IPC: H01L43/12

    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）的方法中能够获得较高MR比的磁阻元件的制造方法。 本发明的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。

    SIMPLE METHOD FOR INTRODUCING MAGNETIC PARTICLES INTO A POLYMER
    126.
    发明申请
    SIMPLE METHOD FOR INTRODUCING MAGNETIC PARTICLES INTO A POLYMER 有权
    将磁性颗粒引入聚合物的简单方法

    公开(公告)号：US20100163778A1

    公开(公告)日：2010-07-01

    申请号：US12600647

    申请日：2007-05-18

    Applicant: Congyun Zhang ,  Weidong Zhou

    Inventor： Congyun Zhang ,  Weidong Zhou

    IPC: H01F1/01

    CPC classification number: C01G49/0018 ,  A61K9/0009 ,  A61K41/0028 ,  A61K49/126 ,  A61K49/143 ,  A61K49/146 ,  A61K49/1818 ,  C01G49/02 ,  C01P2006/42 ,  C08J3/20 ,  C08J3/203 ,  C08K2201/01

    Abstract: The present invention provides a simple method for introducing magnetic particles into a polymer for further preparing a magnetic polymer, the method using the capability of polymer to absorb Fe3+ and other divalent metal ions M2+, adding alkali immediately each time after absorbing Fe3+ or M2+, thereby generating hydrated oxide of the Fe3+ and hydrated oxide of the divalent metal ions in sequence inside the polymer, and then heating, so that the hydrated oxide of the Fe3+ and the hydrated oxide of the divalent metal ions are transformed into magnetic particles MFexOy, where M may be Fe2+, Zn2+, Mg2+, Cu2+, Ca2+, Ba2+, Sr2+, Ni2+, Co2+, Mn2+ and the like, and x=1.0˜2.0; y=3.0˜4.0. Compared with the prior art method, the present one is simpler, wider in application, and more operable.

    Abstract translation: 本发明提供将磁性粒子引入聚合物中用于进一步制备磁性聚合物的简单方法，该方法使用聚合物吸收Fe 3+和其它二价金属离子M2 +的能力，每次在吸收Fe3 +或M2 +后立即加入碱，从而 在聚合物内依次生成Fe 3+的水合氧化物和二价金属离子的水合氧化物，然后加热，使得Fe 3+的水合氧化物和二价金属离子的水合氧化物转变成磁性粒子MFexOy，其中M 可以是Fe2 +，Zn2 +，Mg2 +，Cu2 +，Ca2 +，Ba2 +，Sr2 +，Ni2 +，Co2 +，Mn2 +等，x = 1.0〜2.0; y = 3.0〜4.0 与现有技术相比，本发明方法更简单，应用更广泛，更可操作。

    Magnetic rubber composition for encoder
    127.
    发明申请
    Magnetic rubber composition for encoder 审中-公开
    编码器用磁性橡胶组合物

    公开(公告)号：US20100096582A1

    公开(公告)日：2010-04-22

    申请号：US12654290

    申请日：2009-12-16

    Applicant: Yoshihiko Yamaguchi

    Inventor： Yoshihiko Yamaguchi

    IPC: H01F1/147

    CPC classification number: H01F1/117 ,  C08K3/22 ,  C08K5/548 ,  C08K2201/01 ,  G01D5/244 ,  C08L15/005

    Abstract: A magnetic rubber composition for encoder having a magnetic characteristic in sufficient application range, used as encoder after magnetization as well as heat resistance, water resistance and oil resistance required for use as encoder, and excellent processing property, and capable of being bonded by vulcanization with a metal, is provided. Furthermore, a magnetic rubber composition for encoder capable of obtaining sufficient magnetic force required for encoder on a circumference of the molded encoder as well as capable of effectively restraining variation of the level of magnetic force, is provided. It is provided by comprising 300 to 1,800 parts of strontium-ferrite, or 300 to 1,800 parts of barium-ferrite, or 300 to 1,800 parts of a mixture of strontium-ferrite and barium-ferrite, 0.5 to 2 parts of silane coupling agent, and 1 to 10 parts of lubricating agent, per 100 parts of a hydrogenated nitrile butadiene rubber with 15 to 50% of acrylonitrile amount and 80 to 99% of hydrogenation ratio.

    Abstract translation: 一种用于编码器的磁性橡胶组合物，其具有足够应用范围的磁特性，用作磁化后的编码器以及用作编码器所需的耐热性，耐水性和耐油性，以及优异的加工性能，并且能够通过硫化与 提供金属。 此外，提供了一种用于编码器的磁性橡胶组合物，其能够在模制编码器的圆周上获得编码器所需的足够的磁力，并且能够有效地抑制磁力水平的变化。 通过将锶铁氧体300〜1,800份，钡铁氧体300〜1800份，锶铁氧体和钡铁氧体的混合物300〜1,800份，硅烷偶联剂0.5〜2份， 和1至10份润滑剂，每100份氢化丁腈橡胶中丙烯腈含量为15-50％，氢化率为80-99％。

    Process for producing a permanently magnetic molding
    128.
    发明申请
    Process for producing a permanently magnetic molding 有权
    用于生产永磁成型的方法

    公开(公告)号：US20090267265A1

    公开(公告)日：2009-10-29

    申请号：US12150318

    申请日：2008-04-25

    Applicant: Werner Barlog

    Inventor： Werner Barlog

    IPC: B29C35/02

    CPC classification number: C08K3/22 ,  C08K3/013 ,  C08K2201/01 ,  C08L83/04

    Abstract: A method for producing a permanently-magnetic part, made from a polymeric support material filled with magnetic filler materials on the basis of silicon caoutchouc, hot-vulcanized from at least one starting material, in which the at least one starting material of the silicon caoutchouc is mixed prior to vulcanization with 50 to 95% by weight of high energy ferrite particles of a density of 5.0 to 5.2 g/cm3 and an average particle size of 1.5 to 2.5 μm as the magnetic filler material and is homogenized. Subsequently, the homogenized mixture is introduced into a mold cavity by a temperature-regulated screw and is cross-linked by vulcanization in the mold cavity by the application of heat for forming the molding, wherein during cross-linking a static magnetic field is applied to the mold cavity and the magnetic filler materials are magnetized and aligned in the silicon caoutchouc being cross-linked.

    Abstract translation: 一种永久磁性部件的制造方法，由永久磁铁部件制成，其由填充有硅填充材料的聚合物支撑材料制成，其由至少一种起始材料热硫化，其中所述硅橡胶的至少一种起始材料 在硫化前与50〜95重量％的密度为5.0〜5.2g / cm 3的高能铁素体粒子和1.5〜2.5μm的平均粒径作为磁性填充材料混合并均化。 随后，将均质化的混合物通过温度调节的螺杆引入模腔中，并通过施加热量在模腔中通过硫化而交联成型，其中在交联过程中将静态磁场施加到 模具腔和磁性填充材料被磁化并对准在硅橡胶中交联。

    Magnetic rubber composition for encoder
    129.
    发明申请
    Magnetic rubber composition for encoder 审中-公开

    公开(公告)号：US20060167150A1

    公开(公告)日：2006-07-27

    申请号：US11389256

    申请日：2006-03-27

    Applicant: Yoshihiko Yamaguchi

    Inventor： Yoshihiko Yamaguchi

    IPC: B60C1/00

    CPC classification number: H01F1/117 ,  C08K3/22 ,  C08K5/548 ,  C08K2201/01 ,  G01D5/244 ,  C08L15/005

    Abstract: A magnetic rubber composition for encoder having a magnetic characteristic in sufficient application range, used as encoder after magnetization as well as heat resistance, water resistance and oil resistance required for use as encoder, and excellent processing property, and capable of being bonded by vulcanization with a metal, is provided. Furthermore, a magnetic rubber composition for encoder capable of obtaining sufficient magnetic force required for encoder on a circumference of the molded encoder as well as capable of effectively restraining variation of the level of magnetic force, is provided. It is provided by comprising 300 to 1,800 parts of strontium-ferrite, or 300 to 1,800 parts of barium-ferrite, or 300 to 1,800 parts of a mixture of strontium-ferrite and barium-ferrite, 0.5 to 2 parts of silane coupling agent, and 1 to 10 parts of lubricating agent, per 100 parts of a hydrogenated nitrile butadiene rubber with 15 to 50% of acrylonitrile amount and 80 to 99% of hydrogenation ratio.

    Resin composition
    130.
    发明申请
    Resin composition 审中-公开
    树脂组成

    公开(公告)号：US20040186234A1

    公开(公告)日：2004-09-23

    申请号：US10483078

    申请日：2004-01-08

    Inventor： Masashi Tsukamoto ,  Ichiro Sagae ,  Tsutomu Arakawa

    IPC: C08L033/04 ,  C08L035/02

    CPC classification number: C08L23/16 ,  C08K2201/01 ,  C08L23/0815 ,  C08L23/0846 ,  C08L23/0853 ,  C08L23/0869 ,  C08L23/22 ,  C08L2666/04 ,  C08L2666/06

    Abstract: A resin composition which comprises 50-95 parts by mass of (A) an elastomer with a weight-average molecular weight of at least 300,000 as measured by gel permeation chromatography, 50-5 parts by mass of (B) an ethylene copolymer with a melting point of no higher than 110null C., and (C) a filler at 100-2000 parts by mass based on the total of 100 parts by mass of (A)null(B). The composition has excellent strength and flexibility and allows high density packing of fillers such as magnetic powders.

    Abstract translation: 一种树脂组合物，其包含50〜95质量份的（A）通过凝胶渗透色谱法测定的重均分子量为30万以上的弹性体，（B）乙烯共聚物 熔点不高于110℃，（C）基于100质量份（A）+（B）的总计100-2000质量份的填料。 该组合物具有优异的强度和柔韧性，并且允许诸如磁性粉末的填料的高密度填料。

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