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公开(公告)号：US07365626B2
公开(公告)日：2008-04-29
申请号：US10959645
申请日：2004-10-06
IPC分类号： H01F5/00
CPC分类号： H01F27/027 , H01F17/04 , H01F17/06 , H01F27/292
摘要： A magnetic device of smaller size and lower profile comprising a coil conductor of high inductance and low resistance is provided. The magnetic device comprises a coil conductor and a multilayer magnetic layer formed so as to cover the periphery of the coil conductor. Further, a magnetic device having higher inductance value and lower conductor resistance value (AC resistance) by selecting a magnetic layer capable of suppressing the eddy current and having excellent magnetic characteristics even designed with smaller size and lower profile.
摘要翻译： 提供具有较小尺寸和较小外形的磁性装置，其包括具有高电感和低电阻的线圈导体。 磁性装置包括线圈导体和形成为覆盖线圈导体周边的多层磁性层。 此外，通过选择能够抑制涡电流并且具有优异的磁特性，甚至设计成更小尺寸和更低轮廓的磁性层，具有较高电感值和较低导体电阻值（AC电阻）的磁性装置。
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公开(公告)号：US07259648B2
公开(公告)日：2007-08-21
申请号：US10516683
申请日：2003-12-11
IPC分类号： H01F5/00
CPC分类号： H01F27/027 , H01F27/292 , H01F37/00 , H01F2017/048 , H01F2017/065
摘要： The invention is comprised of a coil group arranging a plurality of terminal-integrated type coils (1), (4) formed by bending a metal sheet in a preset development form and having a predetermined positional relationship, and a magnetic material (7) burying therein the coil group. For example, axes of the plurality of coils (1), (4) constituting the coil group, are arranged in parallel wherein the center point of at least one coil selected from the plurality of coils (1), (4) and the center point of a coil other than the selected coil are in an staggered arrangement. Due to this, an array type choke coil can be realized which is thin overall and operable with a large current in a high frequency band.
摘要翻译： 本发明包括一组线圈组，其配置多个端子一体型线圈（1），（4），其通过以预定的显影形式弯曲金属片并具有预定的位置关系而形成;以及磁性材料（7） 其中线圈组。 例如，构成线圈组的多个线圈（1），（4）的轴线平行配置，其中，选自多个线圈（1），（4）和中心的至少一个线圈的中心点 除了所选择的线圈之外的线圈的点是交错布置。 由此，可以实现整体上薄且可在高频带中以大电流工作的阵列式扼流线圈。
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公开(公告)号：US07219416B2
公开(公告)日：2007-05-22
申请号：US10842813
申请日：2004-05-11
IPC分类号： H01F7/06
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。
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公开(公告)号：US07158001B2
公开(公告)日：2007-01-02
申请号：US10806385
申请日：2004-03-23
IPC分类号： H01F27/08
CPC分类号： H01F27/027 , H01F21/12 , H01F27/292 , H01F37/00 , H01F2017/046 , H01F2017/048 , H01F2027/2861
摘要： A choke coil according to the invention is configured to include: a coil incorporated with terminals and/or intermediate tap, the coil configured of a metal plate being punched and folded; a magnetic material buried with the coil therein; and a radiator of a material with excellent thermal conductivity disposed on a surface of the magnetic material. A small-sized, low-profile choke coil structurally stable with excellent heat dissipation is to be provided.
摘要翻译： 根据本发明的扼流线圈被配置为包括：端子和/或中间抽头的线圈，所述线圈由冲压和折叠的金属板构成; 在其中埋设有线圈的磁性材料; 以及设置在磁性材料的表面上的具有优良导热性的材料的散热器。 提供一种结构稳定，散热性好的小尺寸，低调扼流线圈。
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公开(公告)号：US20060145804A1
公开(公告)日：2006-07-06
申请号：US10516683
申请日：2003-12-11
IPC分类号： H01F5/00
CPC分类号： H01F27/027 , H01F27/292 , H01F37/00 , H01F2017/048 , H01F2017/065
摘要： The invention is comprised of a coil group arranging a plurality of terminal-integrated type coils (1), (4) formed by bending a metal sheet in a preset development form and having a predetermined positional relationship, and a magnetic material (7) burying therein the coil group. For example, axes of the plurality of coils (1), (4) constituting the coil group, are arranged in parallel wherein the center point of at least one coil selected from the plurality of coils (1), (4) and the center point of a coil other than the selected coil are in an staggered arrangement. Due to this, an array type choke coil can be realized which is thin overall and operable with a large current in a high frequency band.
摘要翻译： 本发明包括一组线圈组，其配置多个端子一体型线圈（1），（4），其通过以预定的显影形式弯曲金属片并具有预定的位置关系而形成;以及磁性材料（7） 其中线圈组。 例如，构成线圈组的多个线圈（1），（4）的轴线平行配置，其中，选自多个线圈（1），（4）和中心的至少一个线圈的中心点 除了所选择的线圈之外的线圈的点是交错布置。 由此，可以实现整体上薄且可在高频带中以大电流工作的阵列式扼流线圈。
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公开(公告)号：US20050068150A1
公开(公告)日：2005-03-31
申请号：US10502162
申请日：2003-10-30
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。
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公开(公告)号：US06558565B1
公开(公告)日：2003-05-06
申请号：US09647708
申请日：2000-11-20
申请人： Nobuya Matsutani , Yuji Mido , Hiroshi Fujii
发明人： Nobuya Matsutani , Yuji Mido , Hiroshi Fujii
IPC分类号： H01F126
CPC分类号： H01F41/0246 , B22F2003/023 , B22F2998/10 , B22F2999/00 , C22C33/0271 , H01F1/14758 , H01F1/26 , B22F9/082 , B22F1/0059 , B22F3/02 , B22F3/1017 , B22F2201/00
摘要： A composite magnetic body used for a choke coil, etc. is formed by compression molding of a mixture of magnetic alloy powder containing iron (Fe) and nickel (Ni) as the main component, an insulating material and a binder of an acrylic resin. In the composite magnetic body, high packing rate of the magnetic alloy powder and good insulation between the powder particles stand together, exhibiting a low core loss and a high magnetic permeability. The composite magnetic body can be formed in various core pieces of complex shapes.
摘要翻译： 用于扼流线圈等的复合磁体通过以铁（Fe）和镍（Ni）为主要成分的磁性合金粉末的混合物，绝缘材料和丙烯酸树脂的粘合剂的压缩成型而形成。 在复合磁体中，磁性合金粉末的高填充率和粉末颗粒之间的绝缘性良好，呈现出低的磁心损耗和高的磁导率。 复合磁体可以形成为各种复杂形状的芯片。
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公开(公告)号：US5518642A
公开(公告)日：1996-05-21
申请号：US314546
申请日：1994-09-28
申请人： Osamu Inoue , Nobuya Matsutani , Koichi Kugimiya , Osamu Ishii , Yasuyuki Aono
发明人： Osamu Inoue , Nobuya Matsutani , Koichi Kugimiya , Osamu Ishii , Yasuyuki Aono
CPC分类号： C04B35/2658
摘要： An oxide magnetic material provided by the present invention contains, as main components, 55 to 59 mol % of Fe.sub.2 O.sub.3 ; 35 to 42 mol % of MnO; and 6 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.3 wt % of CaO; and 0.005 to 0.05 wt % of SiO.sub.2. The other oxide magnetic material provided by the present invention contains, as main components, 61 to 67 mol % of Fe.sub.2 O.sub.3 ; 3 to 36 mol % of MnO; and 30 mol % or less of ZnO, and further contains, as sub-components, 0.05 to 0.5 wt % of CaO; and 0.005 to 0.2 wt % of SiO.sub.2. Such materials can further contain one or more kinds of oxides selected from the group consisting of ZrO.sub.2, HfO.sub.2, Ta.sub.2 O.sub.5, Cr.sub.2 O.sub.3, MoO.sub.3, WO.sub.3, Al.sub.2 O.sub.3, Ga.sub.2 O.sub.3, In.sub.2 O.sub.3, GeO.sub.2, SnO.sub.2, Sb.sub.2 O.sub.3 and Bi.sub.2 O.sub.3. Such magnetic materials of the present invention have the advantages of having an extremely low magnetic loss even when used in the high frequency band and having a minimum magnetic loss at a temperature sufficiently higher than room temperature. Moreover, a switching power supply having a switching frequency of 300 kHz to 5 MHz is provided by using such magnetic materials as a magnetic core.
摘要翻译： 本发明提供的氧化物磁性材料含有55〜59摩尔％的Fe 2 O 3作为主要成分; 35〜42mol％的MnO; 和6mol％以下的ZnO，作为副成分，进一步含有0.05〜0.3重量％的CaO; 和0.005〜0.05重量％的SiO 2。 本发明提供的其它氧化物磁性材料以Fe 2 O 3为主要成分为61〜67摩尔％。 3〜36摩尔％的MnO; 和30摩尔％以下的ZnO，作为副成分，进一步含有0.05〜0.5重量％的CaO; 和0.005〜0.2重量％的SiO 2。 这些材料可以进一步含有选自ZrO 2，HfO 2，Ta 2 O 5，Cr 2 O 3，MoO 3，WO 3，Al 2 O 3，Ga 2 O 3，In 2 O 3，GeO 2，SnO 2，Sb 2 O 3和Bi 2 O 3中的一种以上的氧化物。 本发明的这种磁性材料具有即使在高频带下使用也具有非常低的磁损耗并且在足够高于室温的温度下具有最小的磁损耗的优点。 此外，通过使用这种磁性材料作为磁芯，提供具有300kHz至5MHz的开关频率的开关电源。
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公开(公告)号：US08426249B2
公开(公告)日：2013-04-23
申请号：US12815784
申请日：2010-06-15
IPC分类号： H01L21/00
CPC分类号： H05K3/465 , H01F17/0013 , H01F41/041 , H05K3/002 , H05K3/0052 , H05K3/045 , H05K3/06 , H05K3/107 , H05K3/108 , H05K3/20 , H05K3/4682 , H05K2201/09981 , H05K2203/0571 , H05K2203/0733
摘要： The present invention provides a chip part manufacturing method comprising a separating process capable of suppressing deformation of chip parts, and also provides chip parts. It comprises a step of forming a plurality of frame-like void portions (32) in one main surface of substrate (30) and insulating resin layer (20) having a spiral void portion (40) disposed in the region thereof, a step of forming metal layer (36) in frame-like void portion (32) and spiral void portion (40) and on insulating resin layer (20), a step of polishing metal layer (36) at least up to the upper surface of insulating resin layer and forming coil section (18) in spiral void portion (40), and a step of forming a metal layer for connecting chip parts to frame-like void portion (32), wherein the metal layer is melted and removed by using an etching agent to separate a plurality of chip parts connected to each other by a frame-like connection.
摘要翻译： 本发明提供了一种芯片部件制造方法，其包括能够抑制芯片部件变形的分离工艺，并且还提供芯片部件。 其包括在基板（30）的一个主表面和在其区域中具有螺旋形空隙部分（40）的绝缘树脂层（20）形成多个框状空隙部分（32）的步骤，步骤 在框状空隙部分（32）和螺旋形空隙部分（40）和绝缘树脂层（20）上形成金属层（36），至少在绝缘树脂的上表面上抛光金属层（36） 层和形成螺旋形空间部分（40）中的线圈部分（18），以及形成用于将芯片部分连接到框状空隙部分（32）的金属层的步骤，其中通过使用蚀刻来熔化和去除金属层 代理，以通过框架状连接来分离彼此连接的多个芯片部件。
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公开(公告)号：US08366837B2
公开(公告)日：2013-02-05
申请号：US13255615
申请日：2010-01-14
IPC分类号： H01F1/18
CPC分类号： B22F1/007 , B22F1/0062 , B22F1/02 , C22C1/02 , C22C19/03 , C22C30/00 , C22C33/0228 , C22C38/02 , C22C38/06 , C22C38/08 , C22C38/34 , H01F1/24 , H01F1/26 , H01F41/0246 , H01F2017/048 , Y10T428/256
摘要： The invention can provide a dust core that can counteract a large electric current, achieve an increase in frequency and miniaturization, and achieve an improvement in voltage resistance, and a magnetic element using the same. The dust core of the invention is a dust core including metallic magnetic powder, an inorganic insulating material, and a thermosetting resin, in which the metallic magnetic powder has a Vickers hardness (Hv) in a range of 230≦Hv≦1000, the inorganic insulating material has a compressive strength of 10000 kg/cm2 or lower and is in a mechanical collapse state, and the inorganic insulating material in a mechanical collapse state and the thermosetting resin are interposed between the metallic magnetic powder particles.
摘要翻译： 本发明可以提供可以抵消大电流，实现频率增加和小型化，并且实现耐电压性的提高的防尘芯和使用其的磁性元件。 本发明的防尘芯是包括金属磁性粉末，无机绝缘材料和热固性树脂的防尘芯，其中金属磁性粉末的维氏硬度（Hv）在230＆lt; NlE; Hv＆NlE; 1000的范围内，无机物 绝缘材料的抗压强度为10000kg / cm 2以下，处于机械塌陷状态，机械塌陷状态下的无机绝缘材料和热固性树脂插入在金属磁性粉末颗粒之间。
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