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    Laminated inductor
    6.
    发明授权
    Laminated inductor 有权
    层压电感

    公开(公告)号：US08610525B2

    公开(公告)日：2013-12-17

    申请号：US13426404

    申请日：2012-03-21

    申请人： Hitoshi Matsuura ,  Takayuki Arai ,  Kenji Otake

    发明人： Hitoshi Matsuura ,  Takayuki Arai ,  Kenji Otake

    IPC分类号： H01F27/02 ,  H01F5/00 ,  H01F27/28 ,  H01F27/24

    CPC分类号： H01F17/0013 ,  H01F17/0033

    摘要： A laminated inductor having an internal conductive wire forming region, as well as a top cover region and bottom cover region formed in a manner sandwiching the internal conductive wire forming region between top and bottom; wherein the internal conductive wire forming region has a magnetic part formed with soft magnetic alloy grains, as well as helical internal conductive wires embedded in the magnetic part and constituted by a conductor; and at least one of the top cover region and bottom cover region (or preferably both) is/are formed with soft magnetic alloy grains whose constituent elements are of the same types as those of, and whose average grain size is greater than that of, the soft magnetic alloy grains constituting the magnetic part in the internal conductive wire forming region.

    摘要翻译： 具有内部导电线形成区域的层叠电感器，以及以在顶部和底部之间夹入内部导电线形成区域的方式形成的顶部覆盖区域和底部覆盖区域; 其特征在于，所述内部导线形成区域具有形成有软磁性合金晶粒的磁性部分，以及嵌入在所述磁性部分中并由导体构成的螺旋状内部导电线; 并且顶盖区域和底盖区域（或优选两者）中的至少一个由软磁性合金晶粒形成，其软磁性合金晶粒的组成元素与其平均晶粒尺寸大于其平均晶粒尺寸， 构成内部导线形成区域中的磁性部分的软磁性合金粒子。

    MAGNETIC MATERIAL AND COIL COMPONENT
    7.
    发明申请
    MAGNETIC MATERIAL AND COIL COMPONENT 审中-公开
    磁性材料和线圈组件

    公开(公告)号：US20140225703A1

    公开(公告)日：2014-08-14

    申请号：US14241240

    申请日：2012-01-05

    申请人： Kenji Otake ,  Hitoshi Matsuura

    发明人： Kenji Otake ,  Hitoshi Matsuura

    IPC分类号： H01F1/24 ,  H01F17/04

    CPC分类号： H01F1/24 ,  H01F1/33 ,  H01F17/0033 ,  H01F17/04 ,  H01F2017/048

    摘要： A magnetic material includes a grain compact in which metal grains having oxide films are compacted, wherein the metal grains are constituted by Fe—Si-M soft magnetic alloy (where M represents a metal element that oxidizes more easily than iron), the metal grains in the grain compact are mutually bonded with adjacent metal grains by inter-bonding of their oxide films, and at least some of this bonding of oxide films takes the form of bonding of crystalline oxides, or preferably at least some of the bonding of oxides is based on continuous lattice bond. A coil component has a coil on an interior or surface of an element body wherein the element body uses the magnetic material.

    摘要翻译： 磁性材料包括其中具有氧化膜的金属颗粒被压实的晶粒，其中金属颗粒由Fe-Si-M软磁性合金（其中M表示比铁更容易氧化的金属元素）构成，金属颗粒 晶粒中的晶粒与相邻的金属晶粒通过它们的氧化膜的相互键合而相互结合，并且氧化膜的这种键合中的至少一部分是结晶氧化物的键合形式，或者优选至少一些氧化物的键合是 基于连续晶格键。 线圈部件在元件主体的内部或表面上具有线圈，其中元件主体使用磁性材料。

    MAGNETIC MATERIAL AND COIL COMPONENT
    8.
    发明申请
    MAGNETIC MATERIAL AND COIL COMPONENT 有权
    磁性材料和线圈组件

    公开(公告)号：US20140132383A1

    公开(公告)日：2014-05-15

    申请号：US14114138

    申请日：2012-04-18

    申请人： Hitoshi Matsuura ,  Masahiro Hachiya ,  Kenji Otake

    发明人： Hitoshi Matsuura ,  Masahiro Hachiya ,  Kenji Otake

    IPC分类号： H01F1/01

    CPC分类号： H01F1/01 ,  B22F1/0062 ,  B22F1/0088 ,  B22F1/02 ,  C22C1/0458 ,  C22C38/02 ,  C22C38/18 ,  H01F1/14766 ,  H01F1/22 ,  H01F1/24 ,  H01F1/26 ,  H01F1/33 ,  H01F17/04 ,  H01F41/0246

    摘要： An object is to provide a magnetic material and coil component offering improved magnetic permeability and insulation resistance, while also offering improved high-temperature load, moisture resistance, water absorbency, and other reliability characteristics at the same time. A magnetic material that has multiple metal grains constituted by Fe—Si-M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe), as well as oxide film constituted by an oxide of the soft magnetic alloy and formed on the surface of the metal grains, wherein the magnetic material has bonding parts where adjacent metal grains are bonded together via the oxide film formed on their surface, as well as bonding parts where metal grains are directly bonded together in areas having no oxide film, and resin material is filled in at least some of the voids generating as a result of accumulation of the metal grains.

    摘要翻译： 本发明的目的是提供一种提供改善的磁导率和绝缘电阻的磁性材料和线圈组件，同时同时提供高温负载，耐湿性，吸水性和其它可靠性特性。 具有由Fe-Si-M软磁性合金（其中M是比Fe更容易氧化的金属元素）构成的多个金属颗粒的磁性材料，以及由软磁性合金的氧化物构成的氧化膜，形成于 金属颗粒的表面，其中磁性材料具有通过其表面上形成的氧化物膜将相邻金属颗粒结合在一起的结合部分，以及金属颗粒在没有氧化膜的区域中直接结合在一起的接合部分，以及 由于金属颗粒的积聚而产生的至少一些空隙填充有树脂材料。

    MAGNETIC MATERIAL AND COIL COMPONENT USING SAME
    9.
    发明申请
    MAGNETIC MATERIAL AND COIL COMPONENT USING SAME 有权
    使用相同的磁性材料和线圈组件

    公开(公告)号：US20140049348A1

    公开(公告)日：2014-02-20

    申请号：US14113801

    申请日：2011-10-13

    申请人： Hitoshi Matsuura ,  Kenji Otake

    发明人： Hitoshi Matsuura ,  Kenji Otake

    IPC分类号： H01F1/33 ,  H01F5/00

    CPC分类号： H01F41/0246 ,  B22F2998/00 ,  B22F2998/10 ,  C22C38/34 ,  C22C2202/02 ,  H01F1/14783 ,  H01F1/14791 ,  H01F1/24 ,  H01F1/33 ,  H01F5/00 ,  H01F27/24 ,  H01F27/255 ,  Y10T428/249956 ,  B22F9/082 ,  B22F3/02 ,  B22F3/10 ,  B22F1/02 ,  C22C33/0278

    摘要： A magnetic material suitable for a coil component has multiple metal grains constituted by Fe—Si-M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe) and oxide film formed on the surface of the metal grains, wherein such magnetic material includes a grain compact having bonding parts where adjacent metal grains are bonded together via the oxide film formed on their surface, and bonding parts where metal grains are directly bonded together in areas where oxide film does not exist. The magnetic material is capable of improving both insulation resistance and magnetic permeability.

    摘要翻译： 适用于线圈部件的磁性材料具有由Fe-Si-M软磁性合金（其中M是比Fe更容易氧化的金属元素）构成的多个金属颗粒和形成在金属颗粒表面上的氧化膜，其中 磁性材料包括具有通过其表面上形成的氧化物膜将相邻的金属颗粒结合在一起的结合部分的晶粒，以及在不存在氧化膜的区域中金属颗粒直接结合在一起的接合部。 磁性材料能够提高绝缘电阻和磁导率。

    Laminated inductor
    10.
    发明授权
    Laminated inductor 有权
    层压电感

    公开(公告)号：US08427265B2

    公开(公告)日：2013-04-23

    申请号：US13452635

    申请日：2012-04-20

    申请人： Masahiro Hachiya ,  Takuya Ishida ,  Takayuki Arai ,  Kenji Otake ,  Hitoshi Matsuura

    发明人： Masahiro Hachiya ,  Takuya Ishida ,  Takayuki Arai ,  Kenji Otake ,  Hitoshi Matsuura

    IPC分类号： H01F27/02

    CPC分类号： H01F17/0013 ,  H01F17/0033 ,  H01F2017/0066

    摘要： A laminated inductor includes a laminate constituted by multiple magnetic material layers, and coil conductors formed in a spiral pattern in the laminate. The magnetic material layers are layers of a magnetic material having multiple metal grains constituted by a Fe—Si-M soft magnetic alloy and oxide film formed on the surface of the metal grains. The magnetic material has bonding portions where adjacent metal grains are bonded via the oxide film formed on the respective surfaces of the adjacent metal grains as well as bonding portions of metal grains bonding to each other in areas where no oxide film is present, and at least some of the voids generated by agglomeration of the metal grains are filled with a resin material.

    摘要翻译： 层叠电感器包括由多个磁性材料层构成的层叠体和在层叠体中以螺旋状形成的线圈导体。 磁性材料层是由金属颗粒表面上形成的由Fe-Si-M软磁性合金和氧化膜构成的多个金属晶粒的磁性材料层。 磁性材料具有接合部分，其中相邻金属颗粒通过形成在相邻金属颗粒的各个表面上的氧化物膜以及在不存在氧化膜的区域中彼此接合的金属晶粒的结合部分接合，并且至少 由树脂材料填充由金属颗粒附聚产生的一些空隙。