公开(公告)号：US20160322706A1

公开(公告)日：2016-11-03

申请号：US15098854

申请日：2016-04-14

Applicant: TDK Corporation

Inventor： Toshifumi KOMACHI ,  Hirohumi ASOU ,  Toshio TOMONARI

IPC: H01Q7/00 ,  G06K19/077 ,  H01F27/24 ,  H01Q1/22 ,  H01F27/28

CPC classification number: H01Q7/00 ,  G06K19/07773 ,  H01F27/24 ,  H01F27/28 ,  H01F27/292 ,  H01F27/362 ,  H01F38/14 ,  H01Q1/2225

Abstract: An antenna device is provided with a magnetic core having a winding core, an antenna coil having a wire wound around the winding core, and a metal layer crossing a coil axis direction of the antenna coil. The metal layer has a slit and an edge of the slit crosses an inner diameter portion of the antenna coil in a plan view.

Abstract translation: 天线装置设置有具有卷绕芯的磁芯，具有缠绕在绕组芯上的线的天线线圈和与天线线圈的线圈轴线交叉的金属层。 金属层具有狭缝，并且狭缝的边缘在俯视图中与天线线圈的内径部分交叉。

公开(公告)号：US20150334885A1

公开(公告)日：2015-11-19

申请号：US14710831

申请日：2015-05-13

Applicant: TDK CORPORATION

Inventor： Toshio TOMONARI ,  Hirohumi ASOU ,  Toshihiro KUROSHIMA

IPC: H05K9/00 ,  C23C18/31 ,  C23C18/16

CPC classification number: H05K9/0083 ,  C23C18/165 ,  C23C18/31 ,  H05K9/0075 ,  H05K9/0084 ,  H05K9/0088 ,  Y10T428/24314 ,  Y10T428/31678 ,  Y10T428/31681

Abstract: A magnetism suppressing sheet is provided with a metallic foil formed by plating and a magnetic film formed by applying magnetic metal powder-containing resin paste to one main surface of the metallic foil. A manufacturing method of a magnetism suppressing sheet includes the steps of preparing a support film on which a metallic foil has been formed, and forming a magnetic film by applying a magnetic metal powder-containing paste to one main surface of the metallic foil.

Abstract translation: 磁阻抑制片设置有通过电镀形成的金属箔和通过在金属箔的一个主表面上涂覆含有磁性金属粉末的树脂膏形成的磁性膜。 磁抑制片的制造方法包括以下步骤：制备其上形成有金属箔的支撑膜，并通过在金属箔的一个主表面上涂覆含金属粉末的糊状物形成磁性膜。

公开(公告)号：US20170338547A1

公开(公告)日：2017-11-23

申请号：US15595555

申请日：2017-05-15

Applicant: TDK Corporation

Inventor： Toshifumi KOMACHI ,  Toshio TOMONARI ,  Hirohumi ASOU

IPC: H01Q1/24 ,  H01Q9/04 ,  H01Q7/00

CPC classification number: H01Q1/243 ,  H01Q7/00 ,  H01Q9/0407 ,  H04B5/00 ,  H04B5/0031 ,  H04B5/0056

Abstract: Disclosed herein is an antenna device that includes a planar coil pattern having first, second, third and fourth sections, the first and second sections being opposite to each other, and the third and fourth sections being opposite to each other, and a metal layer having at least one aperture. A part of the first section and a part of the second section overlap the metal layer, and a remaining part of the first section and a remaining part of the second section overlap the aperture. A part or an entirety of both the third and fourth sections overlaps the metal layer or the aperture.

公开(公告)号：US20170263373A1

公开(公告)日：2017-09-14

申请号：US15446601

申请日：2017-03-01

Applicant: TDK CORPORATION

Inventor： Syun ASHIZAWA ,  Toshio TOMONARI ,  Hirohumi ASOU ,  Emi ITO

IPC: H01F27/28 ,  H01F27/29

Abstract: A coil device includes a winding core with a coil portion wound by a wire, first and second flanges with open magnetic circuit respectively formed on both sides of the winding core in an axial direction, and a first facing surface of the first flange and a second facing surface of the second flange facing each other in the axial direction on an outer circumference side of the coil portion. S1/S2 is 0.2 to 1.0, where S1 is a maximum lateral cross sectional area of the winding core as seen from the axial direction, and S2 is a projected overlapping area overlapped by the first facing surface and the second facing surface as seen from the axial direction.

公开(公告)号：US20160323019A1

公开(公告)日：2016-11-03

申请号：US15099046

申请日：2016-04-14

Applicant: TDK Corporation

Inventor： Toshifumi KOMACHI ,  Hirohumi ASOU ,  Toshio TOMONARI

IPC: H04B5/00 ,  H01Q7/06 ,  H01Q1/24 ,  H01Q1/52

CPC classification number: H04B5/0081 ,  H01Q7/08

Abstract: An antenna device is provided with a magnetic core having a winding core and first and second flanges provided at one end and the other end of the winding core, respectively, an antenna coil constituted of a wire wound around the winding core, and a metal layer disposed parallel to a coil axis direction of the antenna coil. The metal layer has a slit overlapped with at least a part of the first flange in a plan view.

Abstract translation: 天线装置设置有具有卷绕芯的磁芯和分别设置在绕组芯的一端和另一端的第一和第二凸缘，由围绕绕芯的绕组构成的天线线圈和金属层 平行于天线线圈的线圈轴线方向设置。 金属层在平面图中具有与第一凸缘的至少一部分重叠的狭缝。

公开(公告)号：US20150303573A1

公开(公告)日：2015-10-22

申请号：US14696899

申请日：2015-04-27

Applicant: TDK CORPORATION

Inventor： TOSHIO TOMONARI ,  Hirohumi ASOU ,  Toshifumi KOMACHI

IPC: H01Q7/00 ,  H01Q7/06

CPC classification number: H01Q7/00 ,  H01Q7/06

Abstract: A coil component is provided with a substrate; an antenna coil formed into a loop-shaped or spiral-shaped on the substrate; and first and second metallic layers disposed so as to overlap the antenna coil in a planar view and to form a slit sandwiched the first and second metallic layers. The slit overlaps with an inner diameter portion of the antenna coil . At least one of the first and second metallic layers is formed into a loop shape having an opening. The antenna coil overlaps with the opening of at least one of the first and second metallic layers in a planar view.

Abstract translation: 线圈部件设置有基板; 在基板上形成为环状或螺旋状的天线线圈; 以及在平面图中与天线线圈重叠设置的第一和第二金属层，并且形成夹在第一和第二金属层之间的狭缝。 狭缝与天线线圈的内径部分重叠。 第一和第二金属层中的至少一个形成为具有开口的环形。 在平面图中，天线线圈与第一和第二金属层中的至少一个的开口重叠。