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    Magnetic particle-coated material, magnetic recording medium, electromagnetic shield material, and methods of manufacturing same
    1.
    发明申请
    Magnetic particle-coated material, magnetic recording medium, electromagnetic shield material, and methods of manufacturing same 审中-公开
    磁性粒子涂覆材料，磁记录介质，电磁屏蔽材料及其制造方法

    公开(公告)号：US20060029741A1

    公开(公告)日：2006-02-09

    申请号：US11248411

    申请日：2005-10-13

    申请人： Yasushi Hattori ,  Koukichi Waki ,  Toshio Ishida

    发明人： Yasushi Hattori ,  Koukichi Waki ,  Toshio Ishida

    IPC分类号： B05D5/12 ,  B05D3/02 ,  G11B5/65

    CPC分类号： G11B5/70605 ,  G11B5/84

    摘要： The present invention provides a magnetic particle-coated material having a layer including a CuAu type or Cu3Au type ferromagnetic ordered alloy phase on an organic support. Further, the present invention provides a method of manufacturing a magnetic particle-coated material that sequentially includes a step of manufacturing alloy particles capable of forming a ferromagnetic ordered alloy phase, a step of coating an organic support with the alloy particles to form a coating film, and a step of annealing the coating film in a reducing atmosphere to make the alloy particles into magnetic particles, and further includes a step of oxidizing the alloy particles, the oxidizing step being performed between the alloy particle manufacturing step and the annealing step.

    摘要翻译： 本发明提供一种在有机载体上具有包含CuAu型或Cu 3 N型铁磁性有序合金相的层的磁性颗粒涂覆材料。 此外，本发明提供了一种磁性粒子涂覆材料的制造方法，该方法依次包括制造能够形成铁磁性有序合金相的合金粒子的步骤，用合金粒子涂覆有机载体以形成涂膜的步骤 以及在还原性气氛中对涂膜进行退火以使合金粒子成为磁性粒子的工序，还包括氧化合金粒子的步骤，在合金粒子的制造工序和退火工序之间进行氧化工序。

    Magnetic particle, its production method, magnetic recording medium and its production method
    3.
    发明授权
    Magnetic particle, its production method, magnetic recording medium and its production method 有权
    磁粉，其制备方法，磁记录介质及其制备方法

    公开(公告)号：US07244287B2

    公开(公告)日：2007-07-17

    申请号：US10895938

    申请日：2004-07-22

    申请人： Yasushi Hattori ,  Koukichi Waki ,  Keizo Ogawa

    发明人： Yasushi Hattori ,  Koukichi Waki ,  Keizo Ogawa

    IPC分类号： C22B1/16

    CPC分类号： B82Y25/00 ,  G11B5/70605 ,  H01F1/0054 ,  H01F10/123 ,  Y10T428/12465 ,  Y10T428/12875 ,  Y10T428/12882 ,  Y10T428/12931 ,  Y10T428/294 ,  Y10T428/2982

    摘要： The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form a CuAu-type or Cu3Au-type hard magnetic ordered alloy phase on a support, oxidizing the layer, and annealing the layer in a non-oxidizing atmosphere. The invention also relates to a method of producing a magnetic particle including producing an alloy particle that can form a hard magnetic ordered alloy phase, oxidizing the alloy particle, and annealing the particle in a non-oxidizing atmosphere, and a magnetic particle produced by the foregoing production method. Further, the invention relates to a magnetic recording medium comprising a magnetic layer containing a magnetic particle and a method of producing a magnetic recording medium including forming a layer containing an alloy that can form the foregoing hard magnetic ordered alloy phase, oxidizing the layer, and annealing the layer in a non-oxidizing atmosphere.

    摘要翻译： 本发明涉及一种磁性粒子的制造方法，其特征在于，包括形成含有合金粒子的层，所述合金粒子能够在载体上形成CuAu型或Cu 3 Au型硬磁性有序合金相，氧化 并在非氧化性气氛中退火该层。 本发明还涉及一种制造磁性颗粒的方法，包括制造能够形成硬磁性有序合金相的合金颗粒，氧化合金颗粒和在非氧化性气氛中退火颗粒，以及由 以前的生产方法。 此外，本发明涉及包含含有磁性颗粒的磁性层的磁记录介质和包括形成含有可形成上述硬磁性有序合金相的合金的层的氧化层的磁记录介质的方法，以及 在非氧化性气氛中退火该层。

    Magnetic recording medium and method of producing the same
    5.
    发明申请
    Magnetic recording medium and method of producing the same 审中-公开
    磁记录介质及其制造方法

    公开(公告)号：US20050155214A1

    公开(公告)日：2005-07-21

    申请号：US11080501

    申请日：2005-03-16

    申请人： Yasushi Hattori ,  Koukichi Waki

    发明人： Yasushi Hattori ,  Koukichi Waki

    IPC分类号： G11B5/64 ,  G11B5/65 ,  G11B5/70 ,  G11B5/706 ,  G11B5/84 ,  G11B5/842 ,  G11B5/852 ,  H01F10/12 ,  H01F41/16 ,  H01R43/02

    CPC分类号： G11B5/84 ,  G11B5/70 ,  G11B5/70605 ,  Y10T29/49046 ,  Y10T29/49213 ,  Y10T428/2982

    摘要： A method of producing a magnetic recording medium including the steps of preparing alloy particles capable of forming a CuAu type or Cu3Au type ferromagnetic order alloy phase, forming an alloy particle layer on a support using the alloy particles, oxidizing the alloy particles, and annealing the alloy particle layer in a magnetic field under a reducing atmosphere. Also disclosed is a magnetic recording medium produced by the method, that is, a magnetic recording medium including a magnetic layer which contains magnetic particles in a CuAu type or Cu3Au type ferromagnetic order alloy phase and which has a squareness ratio of 0.75 or higher.

    摘要翻译： 一种制造磁记录介质的方法，包括以下步骤：制备能够形成CuAu型或Cu 3 Au型铁磁顺序合金相的合金颗粒，使用合金颗粒在载体上形成合金颗粒层 氧化合金粒子，并在还原气氛下在磁场中退火合金粒子层。 还公开了一种通过该方法制造的磁记录介质，即包括磁性层的磁记录介质，所述磁性层包含CuAu型或Cu 3 Au型铁磁顺序合金相中的磁性颗粒， 0.75以上的矩形比。

    Magnetic particle, its production method, magnetic recording medium and its production method
    9.
    发明授权
    Magnetic particle, its production method, magnetic recording medium and its production method 失效
    磁粉，其制备方法，磁记录介质及其制备方法

    公开(公告)号：US07335393B2

    公开(公告)日：2008-02-26

    申请号：US10896079

    申请日：2004-07-22

    申请人： Yasushi Hattori ,  Koukichi Waki ,  Keizo Ogawa

    发明人： Yasushi Hattori ,  Koukichi Waki ,  Keizo Ogawa

    IPC分类号： B05D5/12

    CPC分类号： B82Y25/00 ,  G11B5/70605 ,  H01F1/0054 ,  H01F10/123 ,  Y10T428/12465 ,  Y10T428/12875 ,  Y10T428/12882 ,  Y10T428/12931 ,  Y10T428/294 ,  Y10T428/2982

    摘要： The present invention relates to a method of producing a magnetic particle including forming a layer containing an alloy particle that can form CuAu type or Cu3Au type hard magnetic order alloy phase on a support, oxidizing the layer, and annealing the layer in non-oxidizing atmosphere. The invention also relates to a method of producing a magnetic particle including producing an alloy particle that can form hard magnetic order alloy phase, oxidizing the alloy particle, and annealing the particle in non-oxidizing atmosphere, and a magnetic particle produced by the foregoing production method. Further, the invention relates to a magnetic recording medium comprising a magnetic layer containing a magnetic particle and a method of producing a magnetic recording medium including forming a layer containing an alloy that can form the foregoing hard magnetic order alloy phase, oxidizing the layer, and annealing the layer in non-oxidizing atmosphere.

    摘要翻译： 本发明涉及一种磁性粒子的制造方法，其特征在于，在载体上形成含有能够形成CuAu型或Cu 3 Au型硬磁顺序合金相的合金粒子的层，氧化层， 并在非氧化性气氛中退火层。 本发明还涉及一种制造磁性粒子的方法，包括制造能够形成硬磁顺序合金相的合金粒子，氧化合金粒子，以及在非氧化性气氛中对粒子进行退火，以及由上述生产产生的磁性粒子 方法。 此外，本发明涉及包含含有磁性粒子的磁性层的磁记录介质和包括形成含有可形成上述硬磁顺序合金相的合金层的氧化层的磁记录介质的方法，以及 在非氧化性气氛中退火层。

    Nanoparticle, method of producing nanoparticle and magnetic recording medium
    10.
    发明授权
    Nanoparticle, method of producing nanoparticle and magnetic recording medium 失效
    纳米粒子，制备纳米颗粒和磁记录介质的方法

    公开(公告)号：US07066978B2

    公开(公告)日：2006-06-27

    申请号：US10367873

    申请日：2003-02-19

    申请人： Koukichi Waki ,  Yasushi Hattori

    发明人： Koukichi Waki ,  Yasushi Hattori

    IPC分类号： B22F9/24

    CPC分类号： B82Y30/00 ,  B22F1/0018 ,  B22F9/24 ,  B82Y25/00 ,  B82Y40/00 ,  G11B5/65 ,  G11B5/70605 ,  H01F10/123 ,  H01F41/30

    摘要： A method of producing a nanoparticle, the method comprising: a reducing step of adding an reverse micelle solution (II) obtained by mixing a water-insoluble organic solvent containing a surfactant with an aqueous metal salt solution to an reverse micelle solution (I) obtained by mixing a water-insoluble organic solvent containing a surfactant with an aqueous reducing agent solution, to carry out a reducing reaction; and a maturing step of raising the temperature of the reduced mixture to mature the reduced mixture is provided. A method of producing a plural type alloy nanoparticle, the method comprising producing a nanoparticle made of a plural type alloy through a reducing step of mixing one or more reverse micelle solutions (I) containing a metal salt with an reverse micelle solution (II) containing a reducing agent to carry out reducing treatment and a maturing step of carrying out maturing treatment is also provided.

    摘要翻译： 一种纳米粒子的制造方法，其特征在于，包括：还原步骤，将通过将含有表面活性剂的水不溶性有机溶剂与金属盐水溶液混合而得到的反胶束溶液（II）添加到得到的反胶束溶液（I） 通过将含有表面活性剂的水不溶性有机溶剂与还原剂水溶液混合，进行还原反应; 并且提供了将还原的混合物的温度升高以使还原的混合物成熟的熟化步骤。 一种多型合金纳米粒子的制造方法，其特征在于，通过将含有金属盐的一种或多种反胶束溶液（I）与含有金属盐的反胶束溶液（II）混合的还原步骤制备由多种合金制成的纳米粒子的方法，所述反胶束溶液 还提供了进行还原处理的还原剂和进行成熟处理的成熟步骤。