公开(公告)号：JP2014197590A

公开(公告)日：2014-10-16

申请号：JP2013072034

申请日：2013-03-29

Applicant: Tdk株式会社 ,  Tdk Corp ,  Tdk株式会社

Inventor： OKUBO HITOSHI ,  ITO HIDETO ,  MAEDA YOSHIHIRO ,  OTA MANABU ,  KANAME YUYA ,  KAWAHARA TAKAHIRO ,  NAKAGAWA KENJI ,  ITO TOMOKAZU

IPC: H01F17/00 ,  H01F17/04 ,  H01F27/29

Abstract: 【課題】スパイラル導体の最外周ターンの太りを防止すると共に、はんだフィレットの高さを抑え、少量のはんだで所望の実装強度を確保する。【解決手段】基板10の上面10aにはスパイラル導体11、端子電極13、ダミー端子電極15が設けられ、基板10の下面10bにはスパイラル導体12、端子電極14、ダミー端子電極16が設けられている。引出電極26,27は、金属磁性粉含有樹脂層17を貫通して端子電極13の上面及びダミー端子電極15の上面にそれぞれ接続されている。端子電極13,14、ダミー端子電極15,16、並びに引出電極26,27の各外側側面は、磁性粉含有樹脂層17,18に覆われることなく露出しており、端子電極13,14の外側側面と同一平面上にある基板10の側面10c,10dは、金属磁性粉含有樹脂層17,18に覆われることなく端子電極13,14の外側側面とともに露出している。【選択図】図2

Abstract translation: 要解决的问题：为了防止螺旋导体的最外周转弯的增厚，以抑制焊脚的高度，并且通过少量焊料确保所需的安装强度。解决方案：螺旋导体11，端子 电极13和虚设端子电极15设置在基板10的上表面10a上，并且在基板10的下表面10b上设置有螺旋导体12，端子电极14和虚设端子电极16。 提取电极26和27穿透含有树脂层17的金属磁性粉末，分别连接到引出电极13的上表面和虚拟端子电极15的上表面。端子电极13和14的外侧表面 虚拟端子电极15和16以及引出电极26和27被不含磁性粉末的树脂层17和18覆盖而露出。子层的侧表面10c和10d 端子电极13和14的外侧表面的同一平面上的台板10与端子电极13和14的外侧表面一起暴露，而不被含有金属磁性粉末的树脂层17和18覆盖。

公开(公告)号：JP2013201375A

公开(公告)日：2013-10-03

申请号：JP2012070014

申请日：2012-03-26

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： TONOYAMA KYOHEI ,  MORITA MAKOTO ,  ITO TOMOKAZU ,  OKUBO HITOSHI ,  OTA MANABU ,  MAEDA YOSHIHIRO ,  KANAME YUYA ,  MORO EIJI

IPC: H01F17/04 ,  H01F1/20 ,  H01F17/00 ,  H01F27/255 ,  H01F41/02

CPC classification number: H01F41/04 ,  H01F17/0013 ,  H01F27/255 ,  H01F27/292 ,  H01F41/046 ,  H01F2017/046

Abstract: PROBLEM TO BE SOLVED: To provide a planar coil element manufacture of which is facilitated by an easy-to-handle resin, and to provide a manufacturing method therefor.SOLUTION: In a planar coil element 10 and a manufacturing method therefor, a metal magnetic powder-containing resin 20 containing a flat or acicular first metal magnetic powder 30 further contains a second metal magnetic powder 32 having an average particle diameter (1 μm) smaller than that (32 μm) of the first metal magnetic powder 30, and thereby the viscosity of the metal magnetic powder-containing resin 20 decreases significantly. Consequently, the metal magnetic powder-containing resin 20 can be handled easily when it is applied and shaped to surround a coil 19, thus facilitating manufacture of the planar coil element 10.

Abstract translation: 要解决的问题：提供通过易于处理的树脂促进的平面线圈元件的制造，并提供其制造方法。解决方案：在平面线圈元件10及其制造方法中，金属磁 含有扁平或针状的第一金属磁性粉末30的含粉末的树脂20还含有平均粒径（1μm）小于第一金属磁粉30的（32μm）的第二金属磁性粉末32，由此， 含金属磁性粉末的树脂20的粘度显着降低。 因此，含金属磁性粉末的树脂20在被施加和成形为围绕线圈19时可以容易地处理，从而有助于平面线圈元件10的制造。

公开(公告)号：JP2012089543A

公开(公告)日：2012-05-10

申请号：JP2010232239

申请日：2010-10-15

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： ITO TOMOKAZU ,  OKUBO HITOSHI ,  MAEDA YOSHIHIRO ,  AKAGAWA ATSUSHI ,  OTA MANABU

IPC: H01F30/00 ,  H01F17/00 ,  H01F27/28

Abstract: PROBLEM TO BE SOLVED: To improve magnetic coupling between primary winding and secondary winding in a transformer component where multiple printed substrates, each of which is provided with a spiral conductor, are laminated.SOLUTION: A transformer component includes printed substrates 20, 40 in which spiral conductors 21, 41 serving as primary winding are formed and printed substrates 10, 30 in which spiral conductors 11, 31 serving as secondary winding are formed. The printed substrates 10, 20 are laminated so that the spiral conductors 11, 21 are disposed facing each other, and the printed substrates 30, 40 are laminated so that the spiral conductors 31, 41 are disposed facing each other. This structure improves magnetic coupling between the primary winding and the secondary winding. Thus, a transformer component with less transmission loss is provided.

Abstract translation: 要解决的问题：为了改善变压器部件中的初级绕组和次级绕组之间的磁耦合，其中层压有各自具有螺旋导体的多个印刷基板。 解决方案：变压器部件包括印刷基板20,40，其中形成有用作初级绕组的螺旋导体21,41和印刷基板10,30，其中形成有用作次级绕组的螺旋导体11,31。 印刷基板10,20被层叠，使得螺旋形导体11,21彼此面对地布置，并且印刷基板30,40被层叠，使得螺旋形导体31,41相对配置。 该结构改善了初级绕组和次级绕组之间的磁耦合。 因此，提供了具有较少传输损耗的变压器部件。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2006278909A

公开(公告)日：2006-10-12

申请号：JP2005098635

申请日：2005-03-30

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： KIKUCHI TOSHIAKI ,  AKAGAWA ATSUSHI ,  MAEDA YOSHIHIRO ,  YANO YOSHIHIKO

IPC: H01F41/04

Abstract: PROBLEM TO BE SOLVED: To provide small and low resistance coil substrate and coil component, and to provide its manufacturing process. SOLUTION: Since the oil substrate 100 and the coil component 1 are produced through plating growth of a conductor pattern (planar coil 34), the portion 34K in the vicinity of the top of a conductor which became high through plating growth of the conductor is flattened by polishing or cutting while shortening the distance (G) between conductors and the size is reduced. In other words, small and low resistance coil substrate and coil component are attained. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供小型和低电阻线圈基板和线圈部件，并提供其制造工艺。 解决方案：由于油基板100和线圈部件1通过导体图案（平面线圈34）的电镀生长而产生，所以通过电镀生长使导体的顶部附近的部分34K变高 导体通过抛光或切割而平坦化，同时缩短导体之间的距离（G），并减小尺寸。 换句话说，实现了小电阻线圈基板和线圈部件。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2006278479A

公开(公告)日：2006-10-12

申请号：JP2005092166

申请日：2005-03-28

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： KIKUCHI TOSHIAKI ,  AKAGAWA ATSUSHI ,  MAEDA YOSHIHIRO ,  YANO YOSHIHIKO

IPC: H01F17/04 ,  H01F17/00

Abstract: PROBLEM TO BE SOLVED: To provide a coil component which can be easily set with such DC superposition characteristics as different inductances can be attained, respectively, for a plurality of current levels.
SOLUTION: The coil component 1 comprises a coil 34 formed along one plane, an upper magnetic substrate 11 and a lower magnetic substrate 12 arranged to sandwich the coil 34 from the opposite sides. An outer leg 123 is arranged in a region sandwiched by the upper magnetic substrate 11 and the lower magnetic substrate 12. The outer leg 123 is provided with a level difference surfaces 123b and 123c having different distances to the inner surface of the upper magnetic substrate 11.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：为了提供能够容易地设置为具有如下的DC叠加特性的线圈部件，即可以分别获得多个电流水平的不同电感。 解决方案：线圈部件1包括沿着一个平面形成的线圈34，上磁性基板11和下磁性基板12，其布置成从相对侧夹持线圈34。 外腿123布置在由上磁性基板11和下磁性基板12夹持的区域中。外腿123设置有与上磁性基板11的内表面不同的距离的液面差表面123b和123c 。版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2006261583A

公开(公告)日：2006-09-28

申请号：JP2005080241

申请日：2005-03-18

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： KIKUCHI TOSHIAKI ,  AKAGAWA ATSUSHI ,  MAEDA YOSHIHIRO ,  YANO YOSHIHIKO

IPC: H01F17/04

Abstract: PROBLEM TO BE SOLVED: To provide a coil component in which heat resistance is enhanced.
SOLUTION: The coil component 1 comprises a coil 34 formed along one plane, and a core provided along the coil 34 wherein the core has a pair of upper ferrite core 11 and a lower ferrite core 12 arranged to hold the coil 34 between. Resin is interposed between the coil 34 and the upper ferrite core 11 and the lower ferrite core 12, and the resin portion has an adhesive resin layer 40 mixed with spherical rubber filler.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供耐热性提高的线圈部件。 线圈部件1包括沿着一个平面形成的线圈34和沿着线圈34设置的芯，其中芯具有一对上部铁氧体磁心11和下部铁氧体磁芯12，该铁氧体磁芯11被布置成将线圈34保持在 。 树脂插入在线圈34和上铁氧体芯11和下铁氧体芯12之间，树脂部分具有与球形橡胶填料混合的粘合树脂层40。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005210010A

公开(公告)日：2005-08-04

申请号：JP2004017272

申请日：2004-01-26

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： KIKUCHI TOSHIAKI ,  MAEDA YOSHIHIRO ,  AKAGAWA ATSUSHI ,  KOBAYASHI TOYOTAKA

IPC: H01F41/04 ,  H01F17/00 ,  H01F30/00

Abstract: PROBLEM TO BE SOLVED: To provide a coil substrate having coil conductors of high inductances and low resistances and capable of creating it with a few processes, the manufacturing method thereof, and a surface-mounting coil element. SOLUTION: The surface-mounting coil element has a core structure 1 wherein a ferrite core 5 having outside legs abuts in the outside legs against a ferrite core 2 having a central leg, a coil substrate 10 wherein spiral coil conductors 20 are so formed on both the surfaces of an insulating resin film 11 having a through hole (transparent hole 12) in its central portion as to connect the spiral coil conductors 20 of both the surfaces with each other via the through hole, and external electrodes connected with the coil conductors. Hereupon, the clearance between the spiral conductors of the coil conductor 20 is made not larger than 20 μm. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供具有高电感和低电阻的线圈导体的线圈基板，并且能够通过几种工艺制造线圈基板，其制造方法和表面安装线圈元件。 解决方案：表面安装线圈元件具有芯结构1，其中具有外部腿的铁氧体磁心5抵靠着具有中心腿的铁氧体磁芯2抵接在外侧腿部，线圈基板10，其中螺旋线圈导体20是如此 形成在其中心部分具有通孔（透明孔12）的绝缘树脂膜11的两个表面上，以便通过通孔将两个表面的螺旋线圈导体20彼此连接，以及与其连接的外部电极 线圈导体。 因此，线圈导体20的螺旋导体之间的间隙不大于20μm。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2005114954A

公开(公告)日：2005-04-28

申请号：JP2003347970

申请日：2003-10-07

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： KIKUCHI TOSHIAKI ,  AKAGAWA ATSUSHI ,  MAEDA YOSHIHIRO ,  SATO REI

IPC: G03F7/20 ,  H01F41/04

Abstract: PROBLEM TO BE SOLVED: To provide an exposure method for exposing a resist layer formed in a plane parallel to the propagation direction of the exposure light and to provide a low-cost coil component having low resistance of a coil conductor and high production yield, relating to an exposure method used in printed board circuit techniques or semiconductor circuit wiring techniques and to a method for manufacturing a coil component by using the exposure method.
SOLUTION: A photoresist layer 27 is formed on the wall of a through hole 7 formed in a BT resin wafer 21. The BT resin wafer 21 is mounted on a mount plate 29 where a light diffusing face is formed. A photomask 31 is disposed to locate a specified light transmitting pattern near the photoresist layer 27 in the connecting part with the through hole wall, and irradiated with exposure light. The exposure light transmitting through the light transmitting pattern is diffused by the light diffusing face on the mount plate 29 to expose the photoresist layer 27 on the through hole wall near the light transmitting pattern.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种曝光方法，用于使形成在与曝光光的传播方向平行的平面中形成的抗蚀剂层曝光，并提供具有低线圈导体电阻的低成本线圈部件和高生产率 与印刷电路板电路技术或半导体电路布线技术中使用的曝光方法有关的产量，以及通过使用曝光方法制造线圈部件的方法。 解决方案：在形成在BT树脂晶片21上的通孔7的壁上形成光致抗蚀剂层27.BT树脂晶片21安装在形成有光扩散面的安装板29上。 光掩模31设置成在与通孔壁的连接部分中的光致抗蚀剂层27附近定位指定的透光图案，并且用曝光光照射。 通过透光图案透射的曝光光被安装板29上的光漫射面扩散，以露出透光图案附近的通孔壁上的光致抗蚀剂层27。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2013201374A

公开(公告)日：2013-10-03

申请号：JP2012070011

申请日：2012-03-26

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： TONOYAMA KYOHEI ,  MORITA MAKOTO ,  ITO TOMOKAZU ,  OKUBO HITOSHI ,  OTA MANABU ,  MAEDA YOSHIHIRO ,  KANAME YUYA ,  MORO EIJI

IPC: H01F17/04 ,  H01F1/22 ,  H01F17/00 ,  H01F27/255 ,  H01F41/02

CPC classification number: H01F27/255 ,  H01F17/0013 ,  H01F27/292 ,  H01F2017/048

Abstract: PROBLEM TO BE SOLVED: To provide a planar coil element achieving intensity and magnetic permeability at the same time.SOLUTION: In a planar coil element 10, a coil part 19 has a magnetic core part 21 in which metal magnetic powder containing resin 20 includes a first metal magnetic powder 30. Proportion of tilting metal magnetic powder in the first metal magnetic powder 30 is greater in the core part 21 than outside of the core part 21, and in most of the first metal magnetic powder 30 in the core part 21, major axes thereof tilt against a thickness direction and a surface direction of a board 16. Therefore, intensity in the planar coil element 10 is increased comparing to one in a planar coil element 110 in Fig. 9 (a), and magnetic permeability in the planar coil element 10 is also increased comparing to one in a planar coil element 210 in Fig. 9 (b). Thus, the planar coil element is provided with achieving intensity and magnetic permeability on a high level at the same time.

Abstract translation: 要解决的问题：提供同时实现强度和磁导率的平面线圈元件。解决方案：在平面线圈元件10中，线圈部分19具有磁性体部分21，其中含有树脂20的金属磁性粉末包括 第一金属磁性粉末30.第一金属磁性粉末30中的倾斜金属磁性粉末的比例在芯部21中比芯部21的外侧大，并且在芯部21中的大部分第一金属磁性粉末30中， 其长轴相对于板16的厚度方向和表面方向倾斜。因此，与图1中的平面线圈元件110中的一个相比，平面线圈元件10中的强度增加。 与图9（a）中的平面线圈元件210中的平面线圈元件10中的导磁率相比，平面线圈元件10的磁导率也增加。 9（b）。 因此，平面线圈元件同时实现高水平的强度和磁导率。

公开(公告)号：JP2012248629A

公开(公告)日：2012-12-13

申请号：JP2011118360

申请日：2011-05-26

Applicant: Tdk Corp ,  Tdk株式会社

Inventor： ITO TOMOKAZU ,  OKUBO HITOSHI ,  MAEDA YOSHIHIRO ,  OTA MANABU

IPC: H01F17/00 ,  H01F41/04

Abstract: PROBLEM TO BE SOLVED: To prevent the outmost periphery of a flat surface spiral conductor from exposing on a side surface of a coil component.SOLUTION: A coil component 1 includes: a substrate 2; a flat surface spiral conductor 10a formed on a front surface 2t of the substrate 2 by electrolytic plating; and a flat surface conductor 15a which is formed between the outermost periphery of the flat surface spiral conductor 10a and an end part of the substrate 2, from among the front surface 2t of the substrate 2, and is not connected with other conductors on at least the same plane. The flat surface conductor 15a inhibits a plating layer of the outermost periphery from growing in the lateral direction. Thus, the structure prevents the outmost periphery of the flat surface spiral conductor from exposing on a side surface of the coil component.

Abstract translation: 要解决的问题：为了防止平面螺旋导体的最外周暴露在线圈部件的侧表面上。 解决方案：线圈部件1包括：基板2; 通过电解电镀形成在基板2的前表面2t上的平面螺旋导体10a; 以及在基板2的前表面2t之间形成在平面螺旋导体10a的最外周与基板2的端部之间的平坦面导体15a，至少与其它导体不连接 同一架飞机。 平面导体15a抑制最外周的镀层在横向上生长。 因此，该结构防止平面螺旋导体的最外周暴露于线圈部件的侧面。 版权所有（C）2013，JPO＆INPIT