公开(公告)号：US20140320250A1

公开(公告)日：2014-10-30

申请号：US14324585

申请日：2014-07-07

Applicant: Sumida Corporation

Inventor： Satoru YAMADA ,  Yoshiyuki HATAYAMA

IPC: H01F27/29 ,  H01F41/06

CPC classification number: H01F27/29 ,  H01F27/2823 ,  H01F41/064 ,  H01F41/071 ,  H01F2017/048

Abstract: A coil component includes an air-core winding wire portion wound by a wire with a plurality of wound layers by alignment winding, a spiral shaped wound portion in which the wire wound in a spiral shape from an inner edge of an end surface toward an outer edge thereof along the end surface while in contact with the end surface on one side in the axis direction of the winding wire portion, a first lead portion extended and extracted outward from a winding first end point of the spiral shaped wound portion, and a second lead portion extended and extracted outward from a winding second end point at the outer circumference of the winding wire portion.

Abstract translation: 线圈部件包括由具有通过对准绕组的多个卷绕层的线缠绕的空心绕组线，螺旋形缠绕部分，其中线从端表面的内边缘向外部缠绕成螺旋形状 其沿着所述端面与所述绕线部的轴线方向的一侧的端面接触，从所述螺旋状卷绕部的卷绕的第一端部向外延伸并向外伸出的第一引导部， 引线部分从卷绕线部分的外周上的绕组第二端点向外延伸和提取。

公开(公告)号：US20160035483A1

公开(公告)日：2016-02-04

申请号：US14881872

申请日：2015-10-13

Applicant: SUMIDA CORPORATION

Inventor： Satoru YAMADA ,  Yoshiyuki HATAYAMA

IPC: H01F27/29

CPC classification number: H01F27/29 ,  H01F17/04 ,  H01F27/292 ,  H01F41/10 ,  H01F2017/048 ,  Y10T29/49071 ,  Y10T29/49073

Abstract: A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part of the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core.

Abstract translation: 线圈部件包括由磁性材料形成的芯部，嵌入在芯部中的线圈，从芯部的侧表面突出的线圈的端子部分的一部分，以及从侧面突出的部分 并且部分地与线圈的端子部分的突出部分连接。 线圈的端子部分的突出部分和平板状端子的突出部分分别沿着芯的侧表面朝着芯的底表面侧弯曲，并且线圈的端子部分的突出和弯曲部分 布置在板状端子的突出部分和弯曲部分之间。

公开(公告)号：US20190035549A1

公开(公告)日：2019-01-31

申请号：US16149462

申请日：2018-10-02

Applicant: SUMIDA CORPORATION

Inventor： Satoru YAMADA

IPC: H01F41/02

CPC classification number: H01F41/0246

Abstract: A magnetic element, comprising: a coil having two terminal-ends, a core pressed and molded around the coil, and two terminal units connecting to the two terminal-ends of the coil, wherein a first concave portions is formed on a side surface of the core, a second concave portion for accommodating one of the two terminal-ends of the coil, is formed at a upper boundary of the first concave portion, and a third concave portion for accommodating one of the two terminal units, is formed at a upper boundary of the first concave portion and near the second concave portion.

公开(公告)号：US20190392977A1

公开(公告)日：2019-12-26

申请号：US16558938

申请日：2019-09-03

Applicant: SUMIDA CORPORATION

Inventor： Mitsugu KAWARAI ,  Satoru YAMADA ,  Kazuyuki KIKUCHI ,  Tomohiro KAJIYAMA ,  Juichi OOKI ,  Motomi TAKAHASHI ,  Tsutomu OTSUKA

IPC: H01F27/24 ,  H01F27/29 ,  H01F27/28

Abstract: An electronic component includes; a magnetic-body core having a plate-shaped portion and a core portion which extends from an upper surface of the plate-shaped portion; a winding wire which includes a wound portion wound by a rectangular wire into an Edgewise winding form and two non-wound portions extending from the wound portion to two distal ends, and the core portion is inserted through the wound portion; and a magnetic exterior body which covers at least the wound portion and the core portion. The two non-wound portions are respectively arranged along a bottom surface and at least one of the side surfaces of the plate-shaped portion. Parts of the two non-wound portions arranged along the bottom surface are electrodes.

公开(公告)号：US20190304660A1

公开(公告)日：2019-10-03

申请号：US16363197

申请日：2019-03-25

Applicant: SUMIDA CORPORATION

Inventor： Mitsugu KAWARAI ,  Satoru YAMADA

IPC: H01F27/255 ,  H01F27/28 ,  H01F1/28 ,  B22F1/00 ,  C22C38/40 ,  C22C38/06 ,  C22C38/02 ,  B22F5/00

Abstract: A coil component including a coil formed by winding an insulation-coated wire and a composite magnetic body embed with the coil, wherein the composite magnetic body contains: a metallic magnetic powder made by powderizing a metallic magnetic material and a binder resin; and wherein the average particle size D50[μm] of the metallic magnetic powder satisfies the following formula (1): D50≤2.192×(Fmax)−0.518×ρ0.577  (1) wherein (Fmax) is an upper limit operation-frequency [MHz] at which Q-value starts decreasing beyond the maximum value in a case of increasing the frequency applied to the coil component, and “ρ” is electrical-resistivity [μΩ·cm] of the metallic magnetic material.

公开(公告)号：US20170221623A1

公开(公告)日：2017-08-03

申请号：US15488864

申请日：2017-04-17

Applicant: SUMIDA CORPORATION

Inventor： Mitsugu KAWARAI ,  Satoru YAMADA ,  Kazuyuki KIKUCHI ,  Tomohiro KAJIYAMA ,  Juichi OOKI ,  Motomi TAKAHASHI ,  Tsutomu OTSUKA

IPC: H01F27/24 ,  H01F27/29 ,  H01F27/28

CPC classification number: H01F27/24 ,  H01F27/00 ,  H01F27/2823 ,  H01F27/29

Abstract: An electronic component includes; a magnetic-body core having a plate-shaped portion and a core portion which extends from an upper surface of the plate-shaped portion; a winding wire which includes a wound portion wound by a rectangular wire into an Edgewise winding form and two non-wound portions extending from the wound portion to two distal ends, and the core portion is inserted through the wound portion; and a magnetic exterior body which covers at least the wound portion and the core portion. The two non-wound portions are respectively arranged along a bottom surface and at least one of the side surfaces of the plate-shaped portion. Parts of the two non-wound portions arranged along the bottom surface are electrodes.

公开(公告)号：US20180061558A1

公开(公告)日：2018-03-01

申请号：US15662485

申请日：2017-07-28

Applicant: SUMIDA CORPORATION

Inventor： Yoshiyuki TAHARA ,  Teruaki TANAKA ,  Akihiko NAKAMURA ,  Satoru YAMADA ,  Mitsugu KAWARAI

IPC: H01F27/29 ,  H01F27/24 ,  H01F27/28 ,  H01F27/30 ,  H01F41/02 ,  H05K13/04

CPC classification number: H01F27/292 ,  H01F17/04 ,  H01F27/24 ,  H01F27/28 ,  H01F27/306 ,  H01F41/0206 ,  H01F41/0246 ,  H01F41/10 ,  H01F2017/048 ,  H05K13/04

Abstract: A terminal plate member on which a terminal of a coil component is mounted including: an annular frame having an inner peripheral edge; a pair of extension members extending from the inner peripheral edge of the annular frame toward an inner space of the annular frame member in a first direction; and a deformable section provided in the annular frame at proximal end of one of the pair of extension members, the deformable section having a more easily deformable property than other sections of the annular frame when force is applied. The deformable section is provided along at least an entire width in a second direction of the one of the pair of extension members. The second direction is perpendicular to the first direction.

公开(公告)号：US20160247626A1

公开(公告)日：2016-08-25

申请号：US15049821

申请日：2016-02-22

Applicant: SUMIDA CORPORATION

Inventor： Mitsugu KAWARAI ,  Satoru YAMADA ,  Kazuyuki KIKUCHI ,  Tomohiro KAJIYAMA ,  Juichi OOKI ,  Motomi TAKAHASHI ,  Tsutomu OTSUKA

IPC: H01F27/29 ,  H01F27/28 ,  H01F27/24

CPC classification number: H01F27/24 ,  H01F27/00 ,  H01F27/2823 ,  H01F27/29

Abstract: An electronic component which includes a first side-surface and a second side-surface facing the first side-surface, including: a magnetic-body core including a plate-shaped portion and a core portion; a winding wire which includes a wound portion wound with a rectangular wire and two non-wound portions, and of which the core portion is inserted through the wound portion; a magnetic exterior body; a first electrode member including a first side-surface exposed-portion; and a second electrode member including a second side-surface exposed-portion, wherein the first side-surface exposed-portion includes a first connecting portion which extend along the height direction of the first side-surface, the first connecting portion is connected to one of the non-wound portions, the second side-surface exposed-portion includes a second connecting portion which extends along the height direction of the second side-surface, and the second connecting portion is connected to the other of the non-wound portions.

Abstract translation: 一种电子部件，包括：第一侧面和与所述第一侧面对置的第二侧面，包括：具有板状部和芯部的磁性体芯; 绕线，其包括缠绕有矩形线的卷绕部和两个非缠绕部，并且其中所述芯部通过所述卷绕部插入; 磁性外壳体; 包括第一侧表面暴露部分的第一电极部件; 以及包括第二侧面露出部分的第二电极部件，其中，所述第一侧面露出部分包括沿着所述第一侧面的高度方向延伸的第一连接部，所述第一连接部与一个 所述第二侧面露出部分包括沿着所述第二侧面的高度方向延伸的第二连接部，所述第二连接部与所述非卷绕部中的另一方连接。

公开(公告)号：US20160225521A1

公开(公告)日：2016-08-04

申请号：US15007666

申请日：2016-01-27

Applicant: SUMIDA CORPORATION

Inventor： Satoru YAMADA

IPC: H01F41/02

CPC classification number: H01F41/0246

Abstract: A manufacturing method of a magnetic element including the steps of: sandwiching and holding at least one of a terminal unit and a coil terminal-end of a coil between a tubular-shaped upper-side die and a tubular-shaped lower-side die; filling a magnetic material in the tubular-shaped portion; and pressure-molding a core, whose side surface follows the inner walls of the upper-side die and the lower-side die by using an upper-side punch and also by using a lower-side punch, wherein at least a portion of the inner wall of the upper-side die and at least a portion of the inner wall of the lower-side die have respective different distances with respect to the center of the tubular-shaped portion, and in the step of pressure-molding, there is formed a core concave-portion having a step on the outside surface of the core, by transcription, and at least one of the terminal unit and the coil terminal-end is at the boundary.

Abstract translation: 一种磁性元件的制造方法，包括以下步骤：在管状上侧模具和管状下侧模具之间夹持并保持线圈的端子单元和线圈端​​子中的至少一个; 在管状部分中填充磁性材料; 并且通过使用上侧冲头以及也通过使用下侧冲头将其侧表面跟随上侧模具和下侧模具的内壁进行加压成型，其中至少部分 上侧模具的内壁和下侧模具的内壁的至少一部分相对于筒状部的中心具有不同的距离，在加压成型工序中， 通过转录形成具有在芯的外表面上的台阶的芯凹部，并且终端单元和线圈末端中的至少一个处于边界。

公开(公告)号：US20130154780A1

公开(公告)日：2013-06-20

申请号：US13693766

申请日：2012-12-04

Applicant: Sumida Corporation

Inventor： Satoru YAMADA ,  Kazuyuki KIKUCHI ,  Yoshiyuki TAHARA

IPC: H01F27/29

CPC classification number: H01F27/29 ,  H01F17/043 ,  H01F27/292

Abstract: A coil component including: a magnetic core which is formed by a magnetic material and which has a top surface, a bottom surface facing the top surface and a side surface continuous approximately perpendicularly to the top surface and the bottom surface; a coil which is buried inside the magnetic core and whose end portion protrudes from the side surface of the magnetic core; a flat-shaped terminal which protrudes from the side surface of the magnetic core, is bent toward the bottom surface of the magnetic core and is connected with the end portion of the coil, wherein there is formed an opening portion at a position corresponding to the place which is bent for the flat-shaped terminal from the side surface to the bottom surface of the magnetic core.

Abstract translation: 一种线圈部件，包括：由磁性材料形成的磁芯，其具有顶表面，面向顶表面的底表面和大致垂直于顶表面和底表面连续的侧表面; 埋在磁芯内的线圈，其端部从磁芯的侧面突出; 从磁芯的侧面突出的扁平状的端子朝向磁芯的底面弯曲并且与线圈的端部连接，其中在对应于该磁芯的位置处形成有开口部 从磁性体的侧面到底面弯曲的扁平形端子的位置。