公开(公告)号：US20130136933A1

公开(公告)日：2013-05-30

申请号：US13700675

申请日：2011-06-28

申请人： Nobuya Matsutani ,  Takeshi Takahashi

发明人： Nobuya Matsutani ,  Takeshi Takahashi

IPC分类号： H01F41/02

CPC分类号： H01F41/0266 ,  B22F2998/10 ,  B22F2999/00 ,  C22C33/0278 ,  C22C38/002 ,  C22C38/02 ,  C22C38/06 ,  C22C38/08 ,  C22C38/14 ,  C22C38/34 ,  C22C2202/02 ,  H01F1/26 ,  H01F41/0246 ,  B22F3/02 ,  B22F2003/248 ,  B22F2201/03

摘要： A composite magnetic material manufactured by mixing a metal magnetic powder with an insulating binder to produce a mixed powder, press-molding the mixed powder to produce a molded product, and heat-treating the molded product in an oxidizing atmosphere at not lower than 80° C. and not higher than 400° C. to form an oxide film on a surface of the molded product. The metal magnetic powder includes Si, Fe, and component A, and the composition thereof satisfies 5.5%≦Si≦9.5%, 10%≦Si+component A≦13.5%, and the remainder is Fe, where % denotes weight %. The component A includes at least one of Ni, Al, Ti, and Mg.

摘要翻译： 一种复合磁性材料，其是通过将金属磁性粉末与绝缘粘合剂混合以制造混合粉末，将该混合粉末压制成型以制备成型产品，并在不低于80℃的氧化气氛中对该模制品进行热处理 并且不高于400℃以在模制产品的表面上形成氧化膜。 金属磁性粉末包括Si，Fe和组分A，其组成满足5.5％@ Si @ 9.5％，10％Si +组分A @ 13.5％，余量为Fe，其中％表示重量％。 组分A包括Ni，Al，Ti和Mg中的至少一种。

公开(公告)号：US08248200B2

公开(公告)日：2012-08-21

申请号：US11909756

申请日：2007-03-19

申请人： Hitoshi Ishimoto ,  Nobuya Matsutani ,  Hidenori Uematsu ,  Koji Shimoyama ,  Michio Ohba ,  Mikio Taoka

发明人： Hitoshi Ishimoto ,  Nobuya Matsutani ,  Hidenori Uematsu ,  Koji Shimoyama ,  Michio Ohba ,  Mikio Taoka

IPC分类号： H01F27/29 ,  H01F38/12 ,  H01F5/00

CPC分类号： H01F17/0006 ,  H01F17/0013 ,  H01F27/002 ,  H01F27/365 ,  H01F41/046 ,  H01F2017/0066 ,  H01F2017/008 ,  H01F2017/048

摘要： In an inductance component, a stress is not locally applied even in the condition where heat is applied to entire component, such as when implementing soldering, so that high reliability is realized. For realizing this, the component includes an element, a coil formed in the element, terminals electrically connected to the coil, and magnetic layers arranged so as to be substantially parallel to a winding surface of the coil are formed in the element and the entirety of the magnetic layers is covered with a material of which thermal expansion and contraction rate is uniform.

摘要翻译： 在电感部件中，即使在对整个部件施加热量的情况下，例如在实施焊接的情况下，也不局部施加应力，从而实现高可靠性。 为了实现这一点，组件包括元件，形成在元件中的线圈，电连接到线圈的端子，并且布置成基本上平行于线圈的绕组表面的磁性层形成在元件中，并且整体 磁性层被热膨胀和收缩率均匀的材料覆盖。

公开(公告)号：US07425883B2

公开(公告)日：2008-09-16

申请号：US11402979

申请日：2006-04-13

申请人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

发明人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

IPC分类号： H01F27/02

CPC分类号： H01F27/2847 ,  H01F17/04 ,  H01F17/062 ,  H01F21/12 ,  H01F27/022 ,  H01F27/027 ,  H01F27/255 ,  H01F27/2804 ,  H01F27/327 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49037 ,  Y10T29/49071 ,  Y10T29/49073 ,  Y10T29/49092

摘要： A magnetic element for multi-phase is composed by burying a plurality of coils in a composite magnetic material such that a negative coupling of magnetic fluxes or a positive coupling of magnetic fluxes exists between at least two coils. This structure more miniaturizes inductors, or choke coils as the multi-phase magnetic element suitably used for application of a large current to many kinds of electronic equipment. Such multi-phase magnetic element has an excellent ripple current property.

摘要翻译： 用于多相的磁性元件通过将复数磁性材料中的多个线圈埋入以使得至少两个线圈之间存在磁通的负耦合或磁通的正耦合。 这种结构将电感器或扼流线圈更小型化为适用于向多种电子设备应用大电流的多相磁性元件。 这种多相磁性元件具有优异的纹波电流特性。

公开(公告)号：US07422697B2

公开(公告)日：2008-09-09

申请号：US10955883

申请日：2004-09-30

申请人： Takeshi Takahashi ,  Nobuya Matsutani ,  Kazuaki Onishi

发明人： Takeshi Takahashi ,  Nobuya Matsutani ,  Kazuaki Onishi

IPC分类号： H01F1/33

CPC分类号： H01F1/33 ,  H01F1/1475 ,  H01F1/14766 ,  H01F1/344 ,  Y10S428/90 ,  Y10S428/928 ,  Y10T428/12028 ,  Y10T428/12056 ,  Y10T428/12465

摘要： A composite sintered magnetic material comprises a kind of metal powder at least one selected from the group consisting of Fe, Fe—Si type, Fe—Ni type, Fe—Ni—Mo type, and Fe—Si—Al type, and a ferrite layer formed from a kind of ferrite powder at least one selected from the group consisting of Ni—Zn type, Mn—Zn type, and Mg—Zn type, wherein a diffusion layer is formed by sintering between both of these to integrates the both.

摘要翻译： 复合烧结磁性材料包括选自Fe，Fe-Si型，Fe-Ni型，Fe-Ni-Mo型和Fe-Si-Al型中的至少一种金属粉末和铁 - 由选自Ni-Zn型，Mn-Zn型和Mg-Zn型中的至少一种铁氧体粉末形成的层，其中通过两者之间的烧结形成扩散层以使两者均一。

公开(公告)号：US20070262840A1

公开(公告)日：2007-11-15

申请号：US11402979

申请日：2006-04-13

申请人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

发明人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

IPC分类号： H01F30/12

CPC分类号： H01F27/2847 ,  H01F17/04 ,  H01F17/062 ,  H01F21/12 ,  H01F27/022 ,  H01F27/027 ,  H01F27/255 ,  H01F27/2804 ,  H01F27/327 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49037 ,  Y10T29/49071 ,  Y10T29/49073 ,  Y10T29/49092

摘要： A magnetic element for multi-phase is composed by burying a plurality of coils in a composite magnetic material such that a negative coupling of magnetic fluxes or a positive coupling of magnetic fluxes exists between at least two coils. This structure more miniaturizes inductors, or choke coils as the multi-phase magnetic element suitably used for application of a large current to many kinds of electronic equipment. Such multi-phase magnetic element has an excellent ripple current property.

摘要翻译： 用于多相的磁性元件通过将复数磁性材料中的多个线圈埋入以使得至少两个线圈之间存在磁通量的负耦合或磁通量的正耦合。 这种结构将电感器或扼流线圈更小型化为适用于向多种电子设备应用大电流的多相磁性元件。 这种多相磁性元件具有优异的纹波电流特性。

公开(公告)号：US07212094B2

公开(公告)日：2007-05-01

申请号：US10502162

申请日：2003-10-30

申请人： Nobuya Matsutani ,  Akihiko Ibata ,  Yoshihisa Takase ,  Takeshi Takahashi

发明人： Nobuya Matsutani ,  Akihiko Ibata ,  Yoshihisa Takase ,  Takeshi Takahashi

IPC分类号： H01F5/00

CPC分类号： H01F17/04 ,  H01F3/02 ,  H01F3/08 ,  H01F3/10 ,  H01F17/0013 ,  H01F17/043 ,  H01F27/34 ,  H01F27/365

摘要： An inductive component in which a large enough inductance is obtainable even when the size is made smaller and the profile is made lower and electronic devices using the inductive component are provided. The inductive component includes a coil, a through hole inside the coil, and a multilayer magnetic layer, and the multilayer magnetic layer is disposed on the top and the bottom surfaces of the coil and the inner wall of the through hole.

摘要翻译： 即使在使尺寸变小并且轮廓变低并且使用电感元件的电子装置被提供的情况下，也可获得足够大的电感的电感分量。 电感部件包括线圈，线圈内的通孔和多层磁性层，多层磁性层设置在线圈的顶面和底面以及通孔的内壁。

公开(公告)号：US07064643B2

公开(公告)日：2006-06-20

申请号：US10488965

申请日：2003-08-25

申请人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

发明人： Nobuya Matsutani ,  Hidenori Uematsu ,  Tsunetsugu Imanishi

IPC分类号： H01F27/29

CPC分类号： H01F27/2847 ,  H01F17/04 ,  H01F17/062 ,  H01F21/12 ,  H01F27/022 ,  H01F27/027 ,  H01F27/255 ,  H01F27/2804 ,  H01F27/327 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49037 ,  Y10T29/49071 ,  Y10T29/49073 ,  Y10T29/49092

摘要： A magnetic element for multi-phase is composed by burying a plurality of coils in a composite magnetic material such that a negative coupling of magnetic fluxes or a positive coupling of magnetic fluxes exists between at least two coils. This structure more miniaturizes inductors, or choke coils as the multi-phase magnetic element suitably used for application of a large current to many kinds of electronic equipment. Such multi-phase magnetic element has an excellent ripple current property.

摘要翻译： 用于多相的磁性元件通过将复数磁性材料中的多个线圈埋入以使得至少两个线圈之间存在磁通的负耦合或磁通的正耦合。 这种结构将电感器或扼流线圈更小型化为适用于向多种电子设备应用大电流的多相磁性元件。 这种多相磁性元件具有优异的纹波电流特性。

公开(公告)号：US06888435B2

公开(公告)日：2005-05-03

申请号：US10843007

申请日：2004-05-11

申请人： Osamu Inoue ,  Junichi Kato ,  Nobuya Matsutani ,  Hiroshi Fujii ,  Takeshi Takahashi

发明人： Osamu Inoue ,  Junichi Kato ,  Nobuya Matsutani ,  Hiroshi Fujii ,  Takeshi Takahashi

IPC分类号： H01F1/24 ,  H01F1/26 ,  H01F1/28 ,  H01F1/33 ,  H01F17/04 ,  H01F27/02 ,  H01F41/02 ,  H01F41/12

CPC分类号： H01F41/127 ,  H01F1/24 ,  H01F1/26 ,  H01F1/28 ,  H01F17/04 ,  H01F27/027 ,  H01F27/292 ,  H01F41/0246 ,  Y10S156/922 ,  Y10T29/49002 ,  Y10T29/4902 ,  Y10T29/49021 ,  Y10T29/49071 ,  Y10T29/49073 ,  Y10T29/49158 ,  Y10T29/49172 ,  Y10T29/49176 ,  Y10T29/4922 ,  Y10T29/49261 ,  Y10T29/49277 ,  Y10T156/1082 ,  Y10T156/11 ,  Y10T428/11 ,  Y10T428/32

摘要： The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol % and an electrical resistivity of at least 104 Ω·cm. When a coil is embedded in this composite magnetic body, a miniature magnetic element can be obtained that has a high inductance value and is excellent in DC bias characteristics.

摘要翻译： 本发明提供一种复合磁体，其含有金属磁性粉末和热固性树脂，其金属磁性粉末的填充率为65体积％〜90体积％，电阻率为至少10体积％ 。厘米。 当将该线圈嵌入该复合磁体时，可以得到具有高电感值且DC偏置特性优异的微型磁性元件。

公开(公告)号：US6063209A

公开(公告)日：2000-05-16

申请号：US061291

申请日：1998-04-17

申请人： Nobuya Matsutani ,  Yuji Mido

发明人： Nobuya Matsutani ,  Yuji Mido

IPC分类号： H01F1/24 ,  H01F1/26 ,  H01F41/02 ,  H01F1/00

CPC分类号： H01F1/26 ,  H01F1/24 ,  H01F41/0246

摘要： A magnetic core of a compressed compact comprises a mixture of magnetic powder and a spacing material, wherein the distance between adjacent magnetic powder particles is controlled by the spacing material. In this constitution, a magnetic core low in core loss, high in magnetic permeability, and excellent in direct-current superposing characteristic is realized.

摘要翻译： 压缩压块的磁芯包括磁粉和间隔材料的混合物，其中相邻的磁粉颗粒之间的距离由间隔材料控制。 在这种结构中，实现了磁芯损耗低，磁导率高，直流叠加特性优异的磁芯。

公开(公告)号：US20110272622A1

公开(公告)日：2011-11-10

申请号：US13144592

申请日：2010-01-14

申请人： Yuya Wakabayashi ,  Takeshi Takahashi ,  Nobuya Matsutani

发明人： Yuya Wakabayashi ,  Takeshi Takahashi ,  Nobuya Matsutani

IPC分类号： H01F1/06 ,  B22F7/00 ,  H01F41/02 ,  H01F3/08

CPC分类号： H01F41/0246 ,  B22F2998/00 ,  C21D6/008 ,  C21D8/12 ,  C22C19/03 ,  C22C30/00 ,  C22C33/0228 ,  C22C38/02 ,  C22C38/06 ,  C22C38/08 ,  C22C38/34 ,  C22C2202/02 ,  C22F1/10 ,  H01F1/1475 ,  H01F1/14766 ,  H01F1/14791 ,  H01F1/24 ,  H01F1/33 ,  H01F3/08 ,  B22F2303/01 ,  B22F2301/35 ,  B22F2303/05 ,  B22F2301/052 ,  B22F2301/15 ,  B22F2302/25 ,  B22F2302/35

摘要： A composite magnetic material is manufactured having magnetic properties that can excellently cope with the decreasing size and increasing electric current of magnetic elements, such as choke coils, and can be used in a high frequency range, a dust core using the composite magnetic material, and a method of manufacturing the same. The dust core includes magnetic metal powder and an insulating material, in which the magnetic metal powder has a Vickers hardness (Hv) of 230≦Hv≦1000, the insulating material has a compressive strength of 10000 kg/cm2 or lower and is in a mechanical collapsed state, and the insulating material in a mechanical collapsed state is interposed in the magnetic metal powder.

摘要翻译： 制造具有能够极好地应对诸如扼流线圈等磁性元件的尺寸减小和电流增加的磁性的复合磁性材料，并且可以在高频范围内使用，使用复合磁性材料的防尘芯和 其制造方法。 防尘芯包括磁性金属粉末和绝缘材料，其中磁性金属粉末的维氏硬度（Hv）为230＆nlE; Hv＆nlE; 1000，绝缘材料的抗压强度为10000kg / cm 2以下，处于 机械收缩状态，并且机械收缩状态的绝缘材料插入到磁性金属粉末中。