公开(公告)号：US20090002117A1

公开(公告)日：2009-01-01

申请号：US12213409

申请日：2008-06-19

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F27/24

CPC分类号： H01F17/0006 ,  H01F17/04 ,  H01F2017/0066 ,  H01F2017/048

摘要： A coil component is provided, and the coil component for an inductor is deformable dependent on flex of a flexible printed board due to elapse of time when mounted thereon, and has high resistance against dropping impact and has an inductance value. The coil component includes an anisotropic compound magnetic sheet which is layered on at least any one or both of the upper surface and the lower surface of an air core coil formed spirally in a plane and which is composed of flat or needle-shaped soft magnetic metal powder, which has a major axis and a minor axis and is dispersed in a resin material, the major axis of which corresponds to an in-plane direction of the air core coil.

摘要翻译： 提供线圈部件，并且用于电感器的线圈部件随安装在其上时由于柔性印刷电路板的弯曲而变形，并且具有高的抗掉落冲击阻力并具有电感值。 线圈部件包括各向异性化合物磁性片，其层叠在由平面或针状软磁性金属构成的空心线圈的上表面和下表面中的至少一个或两个上螺旋形成 粉末，其具有长轴和短轴，并且分散在树脂材料中，其长轴对应于空芯线圈的面内方向。

公开(公告)号：US08093978B2

公开(公告)日：2012-01-10

申请号：US13154939

申请日：2011-06-07

申请人： Mitsugu Kawarai ,  Tetsuo Yoshida

发明人： Mitsugu Kawarai ,  Tetsuo Yoshida

IPC分类号： H01F21/06

CPC分类号： H01F21/06 ,  H01F21/065 ,  H02N2/025

摘要： A coil component 1 includes: a pot core 2; a coil 10 for generating magnetic flux when a predetermined electric current is supplied; a piezoelectric actuator 15 for changing the position of a movable core portion 11 with respect to the coil 10 in response to a control signal supplied from the outside and for passing the movable core portion 11 through the magnetic flux of closed magnetic-path, which is generated by the coil 10. Also, the piezoelectric actuator 15 includes: a piezoelectric device 9 for creating displacement in parallel with the thickness direction caused by the control signal, a moving body 11 connected to the piezoelectric device 9 and the movable core portion 11 for moving the movable core portion 11 in response to the displacement which occurred for the piezoelectric device 9, and a friction-drive rod 13 for rendering the moving body 11 moved by the displacement which occurred for the piezoelectric device 9 to be stationary at a predetermined position.

摘要翻译： 线圈部件1包括：锅芯2; 用于当提供预定电流时产生磁通量的线圈10; 压电致动器15，用于响应于从外部提供的控制信号改变可动芯部11相对于线圈10的位置，并使可动芯部11通过闭合磁路的磁通， 此外，压电致动器15包括：用于产生由控制信号引起的与厚度方向平行的位移的压电装置9，与压电装置9连接的移动体11和可动芯部11，用于 使可动铁心部分11响应于压电装置9发生的位移而移动;以及摩擦驱动杆13，用于使移动体11移动，使压电装置9发生的位移停止在预定位置 。

公开(公告)号：US20090197063A1

公开(公告)日：2009-08-06

申请号：US12162669

申请日：2007-01-25

申请人： Fumio Uchikiba ,  Tsutomu Otsuka ,  Mitsugu Kawarai

发明人： Fumio Uchikiba ,  Tsutomu Otsuka ,  Mitsugu Kawarai

IPC分类号： B32B5/16 ,  B05D5/12

CPC分类号： H01F1/26 ,  B29C70/62 ,  B29K2995/0008 ,  H01F41/16 ,  Y10T428/25

摘要： Provided are composite magnetic sheet which has excellent magnetic properties while high strength and thickness reduction are realized and a method of producing the composite magnetic sheet. The composite magnetic sheet 1 includes at least a resin 20 and a metal magnetic powder 10. The metal magnetic powder 10 contains flat powder having a major axis and a minor axis, the flat powder having a diameter of the major axis in the range of not less than 5 μm and not more than 80 μm and having an aspect ratio defined by a dimension ratio between the major axis and the minor axis in the range of not less than 5 and not more than 20. In the composite magnetic sheet 1, the metal magnetic powder 10 is dispersed so that the major axis is aligned parallel along the surface of the composite magnetic sheet 1.

摘要翻译： 提供了具有优异的磁特性并实现高强度和厚度减少的复合磁性片以及复合磁性片的制造方法。 复合磁性片1至少包括树脂20和金属磁性粉末10.金属磁性粉末10包含具有长轴和短轴的扁平粉末，扁平粉末的长轴直径不在范围内 小于5μm且不大于80μm，并且具有由长轴和短轴之间的尺寸比限定在不小于5且不大于20的范围内的纵横比。在复合磁性片1中， 分散金属磁性粉末10，使得长轴沿着复合磁性薄片1的表面平行排列。

公开(公告)号：US07397335B2

公开(公告)日：2008-07-08

申请号：US11092614

申请日：2005-03-30

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F5/00

CPC分类号： H01F17/0033 ,  H01F3/14 ,  H01F17/0013

摘要： The superimposition characteristics are improved in an inductance device provided with coils having sections with different numbers of windings. The inductance device includes a ring-shaped coil having n winding section 31 in which the number of windings is n and n+1, magnetic circuit materials mounted within and without the ring of aforementioned coil through which magnetic flux is passed to form a magnetic circuit, and a magnetic gap that blocks either the magnetic flux that was formed so as to surround aforementioned n winding section 31 or the magnetic flux that was formed so as to surround aforementioned n+1 winding section 32.

摘要翻译： 在具有不同绕组数的线圈的线圈的电感器件中，叠加特性得到改善。 电感器件包括一个具有n个绕组部分31的环形线圈，其中绕组数为n和n + 1，安装在上述线圈的环内并且不具有通过磁通的环形成磁路的磁路材料 以及阻挡形成为围绕上述n个卷绕部31的磁通或形成为围绕上述n + 1绕组部32的磁通的磁隙。

公开(公告)号：US20050218742A1

公开(公告)日：2005-10-06

申请号：US11092614

申请日：2005-03-30

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F27/24 ,  H01F3/14 ,  H01F17/00 ,  H01F27/28 ,  H01F37/00 ,  H02K1/00 ,  H02K3/00

CPC分类号： H01F17/0033 ,  H01F3/14 ,  H01F17/0013

摘要： The superimposition characteristics are improved in an inductance device provided with coils having sections with different numbers of windings. The inductance device includes a ring-shaped coil having n winding section 31 in which the number of windings is n and n+1, magnetic circuit materials mounted within and without the ring of aforementioned coil through which magnetic flux is passed to form a magnetic circuit, and a magnetic gap that blocks either the magnetic flux that was formed so as to surround aforementioned n winding section 31 or the magnetic flux that was formed so as to surround aforementioned n+1 winding section 32.

摘要翻译： 在具有不同绕组数的线圈的线圈的电感器件中，叠加特性得到改善。 电感器件包括一个具有n个绕组部分31的环形线圈，其中绕组数为n和n + 1，安装在上述线圈的环内并且不具有通过磁通的环形成磁路的磁路材料 以及阻挡形成为围绕上述n个卷绕部31的磁通或形成为围绕上述n + 1绕组部32的磁通的磁隙。

公开(公告)号：US07859377B2

公开(公告)日：2010-12-28

申请号：US12213409

申请日：2008-06-19

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F27/02

CPC分类号： H01F17/0006 ,  H01F17/04 ,  H01F2017/0066 ,  H01F2017/048

摘要： A coil component is provided, and the coil component for an inductor is deformable dependent on flex of a flexible printed board due to elapse of time when mounted thereon, and has high resistance against dropping impact and has an inductance value. The coil component includes an anisotropic compound magnetic sheet which is layered on at least any one or both of the upper surface and the lower surface of an air core coil formed spirally in a plane and which is composed of flat or needle-shaped soft magnetic metal powder, which has a major axis and a minor axis and is dispersed in a resin material, the major axis of which corresponds to an in-plane direction of the air core coil.

摘要翻译： 提供线圈部件，并且用于电感器的线圈部件随安装在其上时由于柔性印刷电路板的弯曲而变形，并且具有高的抗掉落冲击阻力并具有电感值。 线圈部件包括各向异性化合物磁性片，其层叠在由平面或针状软磁性金属构成的空心线圈的上表面和下表面中的至少一个或两个上螺旋形成 粉末，其具有长轴和短轴，并且分散在树脂材料中，其长轴对应于空芯线圈的面内方向。

公开(公告)号：US07449984B2

公开(公告)日：2008-11-11

申请号：US11379934

申请日：2006-04-24

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F27/02

CPC分类号： H01F17/045 ,  H01F17/043 ,  H01F27/292 ,  H01F27/327 ,  H01F41/127 ,  H01F2003/106 ,  H01F2017/046 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49021 ,  Y10T29/4903 ,  Y10T29/49155 ,  Y10T29/49158 ,  Y10T29/49172

摘要： There are provided a magnetic element capable of enhancing magnetic permeability of a magnetic member, improving a direct current superposition characteristic, and improving production efficiency and a method of manufacturing the magnetic element. The magnetic element includes a coil (30) formed of a conductor having an insulating film, a first core member (20) constituted of insulative soft magnetic ferrite and covering the coil (30), and a second core member (50) having soft magnetic metal powder as material and surrounded by the first core member (20). Furthermore, the magnetic element includes a third core member (40) which has soft magnetic metal powder as material and a higher filling ratio of the soft magnetic metal powder than the second core member 50 and is surrounded by the first core member (20).

摘要翻译： 提供了能够提高磁性部件的磁导率，提高直流叠加特性，提高生产效率的磁性元件及其制造方法。 磁性元件包括由具有绝缘膜的导体形成的线圈（30），由绝缘软磁性铁氧体构成并覆盖线圈（30）的第一芯体（20）和具有软磁性的第二芯体（50） 金属粉末作为材料并被第一芯体（20）包围。 此外，磁性元件包括具有作为材料的软磁性金属粉末和软磁性金属粉末比第二芯体50更高的填充率并被第一芯体（20）包围的第三芯体（40）。

公开(公告)号：US07397336B2

公开(公告)日：2008-07-08

申请号：US11556848

申请日：2006-11-06

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F5/00

CPC分类号： H01F17/04 ,  H01F17/06 ,  H01F27/255 ,  H01F27/292

摘要： Disclosed is a coil component having a magnetic core that is made of a magnetic material, and a terminal electrode portion and a coil portion that are made of a conductive material, wherein the coil components is configured such that the magnetic material and the conductive material contact with each other, and there is a relation of RM≧20ZO when an insulation resistance of the magnetic core is RM (Ω) and a peak impedance of the coil component is ZO (Ω).

摘要翻译： 公开了一种具有由磁性材料制成的磁芯的线圈部件和由导电材料制成的端子电极部分和线圈部分，其中线圈部件被构造成使得磁性材料和导电材料接触 并且当磁芯的绝缘电阻为R M（Ω）时，存在R＆lt; M＆lt; / SUB＆gt; = 20Z＆lt; O＆lt; ），线圈部件的峰值阻抗为Z O（Ω）。

公开(公告)号：US20060186978A1

公开(公告)日：2006-08-24

申请号：US11379925

申请日：2006-04-24

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H01F27/02

CPC分类号： H01F17/045 ,  H01F17/043 ,  H01F27/292 ,  H01F27/327 ,  H01F41/127 ,  H01F2003/106 ,  H01F2017/046 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49021 ,  Y10T29/4903 ,  Y10T29/49155 ,  Y10T29/49158 ,  Y10T29/49172

摘要： There are provided a magnetic element capable of enhancing magnetic permeability of a magnetic member, improving a direct current superposition characteristic, and improving production efficiency and a method of manufacturing the magnetic element. The magnetic element includes a coil (30) formed of a conductor having an insulating film, a first core member (20) constituted of insulative soft magnetic ferrite and covering the coil (30), and a second core member (50) having soft magnetic metal powder as material and surrounded by the first core member (20). Furthermore, the magnetic element includes a third core member (40) which has soft magnetic metal powder as material and a higher filling ratio of the soft magnetic metal powder than the second core member 50 and is surrounded by the first core member (20).

摘要翻译： 提供了能够提高磁性部件的磁导率，提高直流叠加特性，提高生产效率的磁性元件及其制造方法。 磁性元件包括由具有绝缘膜的导体形成的线圈（30），由绝缘软磁性铁氧体构成并覆盖线圈（30）的第一芯体（20）和具有软磁性的第二芯体（50） 金属粉末作为材料并被第一芯体（20）包围。 此外，磁性元件包括具有作为材料的软磁性金属粉末和软磁性金属粉末比第二芯体50更高的填充率并被第一芯体（20）包围的第三芯体（40）。

公开(公告)号：US09257891B2

公开(公告)日：2016-02-09

申请号：US13521789

申请日：2010-08-27

申请人： Mitsugu Kawarai

发明人： Mitsugu Kawarai

IPC分类号： H02K35/02

CPC分类号： H02K35/02

摘要： A vibration type electromagnetic generator is formed by a nonmagnetic material and includes a hollow first pipe whose both end portions are closed, a magneto coil which is wound around the periphery of the first pipe and which is provided with solenoid coils, and a movable magnet which is arranged inside the first pipe and which is movable along a winding axis direction of a magneto coil. Then, the movable magnet includes a plurality of magnets and a magnet fixing unit composed of a nonmagnetic body for fixing the plurality of magnets whose same magnetic poles are facing one another, and among the plurality of solenoid coils, the coil length of one or more solenoid coils are made to be length equal to or greater than the magnet length of the magnet.

摘要翻译： 振动型电磁发电机由非磁性材料形成，包括两端封闭的中空第一管，卷绕在第一管周边并设有螺线管线圈的发电线圈和可动磁铁， 布置在第一管内部并且可沿着磁线圈的卷绕轴线方向移动。 然后，可动磁体包括多个磁体和由非磁性体构成的磁体固定单元，该非磁性体用于固定相同磁极彼此相对的多个磁体，并且在多个螺线管线圈中，一个或多个磁体的线圈长度 螺线管线圈的长度等于或大于磁体的磁体长度。