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公开(公告)号：US11282630B2
公开(公告)日：2022-03-22
申请号：US16374657
申请日：2019-04-03
发明人： Koichi Yamaguchi , Masashi Hattori
摘要： A common mode choke coil includes a body, a first spiral conductor, a second spiral conductor, a first extension conductor, and a second extension conductor. The thickness of the first extension conductor is equal to or less than (thickness of the first spiral conductor)/(winding number of the first spiral conductor), and the width of the first extension conductor is equal to or more than (width of the first spiral conductor)×(thickness of the first spiral conductor)/(thickness of the first extension conductor). The thickness of the second extension conductor is equal to or less than (thickness of the second spiral conductor)/(winding number of the second spiral conductor), and the width of the second extension conductor is equal to or more than (width of the second spiral conductor)×(thickness of the second spiral conductor)/(thickness of the second extension conductor).
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公开(公告)号：US10855172B2
公开(公告)日：2020-12-01
申请号：US15833208
申请日：2017-12-06
发明人： Kenichi Ito , Shun Takai , Koichi Yamaguchi
摘要： A shield includes an inductor that includes outer electrodes and that is mounted on a substrate in or on which a wiring pattern is formed, a second capacitor that is electrically connected between one of the outer electrodes of the inductor and a ground pattern formed in or on the substrate, and a shield member that is disposed so as to cover the inductor and electrically connected to the one of the outer electrodes of the inductor, to which the second capacitor is connected. The second capacitor has frequency characteristics such that, when the self-resonance frequency of the second capacitor serves as a boundary, the impedance of the second capacitor decreases as the frequency increases on the low frequency side and that the impedance of the second capacitor increases as the frequency increases on the high frequency side.
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公开(公告)号：US11682517B2
公开(公告)日：2023-06-20
申请号：US16572413
申请日：2019-09-16
CPC分类号： H01F27/2804 , H01F27/29 , H01F27/32 , H01F41/0233 , H01F41/041 , H01F2027/2809
摘要： An inductor component comprises an element body; first and second inductors in the body; first and second columnar wirings in the body with end surfaces exposed from a first principal surface of the body and electrically connected to the first inductor; third and fourth columnar wirings in the body with end surfaces exposed from the first principal surface and electrically connected to the second inductor; first through fourth external terminals contacting the end surfaces of the first through fourth columnar wirings, respectively; and an insulating film on the first principal surface covering a portion of the end surface of the first and third columnar wiring not contacting the first and third terminals, respectively. The first terminal is closer to the third terminal than the fourth terminal, and a shortest distance between the first and third terminals is longer than a shortest distance between the first and third columnar wirings.
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公开(公告)号：US11942255B2
公开(公告)日：2024-03-26
申请号：US17002604
申请日：2020-08-25
CPC分类号： H01F27/2804 , H01F27/255 , H01F27/32 , H01F41/0246 , H01F41/041 , H01F41/12
摘要： An inductor component includes an element body including a magnetic layer containing a resin and a magnetic powder; a coil wiring line arranged inside the element body; and an insulating coating film covering the coil wiring line and not including a magnetic material. In a cross section perpendicular to an extension direction of the coil wiring line, a top surface thickness of a part of the insulating coating film covering the top surface of the coil wiring line and a side surface thickness of parts of the insulating coating film covering side surfaces of the coil wiring line are less than or equal to 10 μm, and a corner thickness of parts of the insulating coating film that cover corners of the coil wiring line interposed between the top surface and the side surfaces is at least half of the top surface thickness and/or the side surface thickness.
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公开(公告)号：US11437182B2
公开(公告)日：2022-09-06
申请号：US16175564
申请日：2018-10-30
发明人： Koichi Yamaguchi , Koshi Himeda
摘要： An electronic component comprising a coil component having an element body containing ceramic, a coil disposed in the element body, and an external electrode disposed in the element body and electrically connected to the coil; and a mold resin sealing the coil component. The electronic component further comprises an electrode film in contact with an outer surface of the mold resin; and a connection conductor disposed in the mold resin and electrically connecting the external electrode and the electrode film.
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公开(公告)号：US11424062B2
公开(公告)日：2022-08-23
申请号：US15863546
申请日：2018-01-05
发明人： Koichi Yamaguchi
摘要： A flexible inductor mounted on a flexible substrate can be deformed while following deflection of the flexible substrate over time, and has high resistance to drop impact. The flexible inductor includes a coil substrate having a spiral conductor on at least one of upper and lower surfaces, and first and second magnetic sheets laminated on the upper and lower surfaces, respectively. First and second outer electrodes are provided in a peripheral edge portion of the lower surface. The first and second electrodes make direct contact with the lower surface, and are electrically connected to outermost and innermost end portions, respectively, of the spiral conductor. The second magnetic sheet is laminated on the lower surface other than portions corresponding to the first and second outer electrodes. Thicknesses of the first and second outer electrodes are equal to or larger than a thickness of the second magnetic sheet.
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公开(公告)号：US11043323B2
公开(公告)日：2021-06-22
申请号：US15202767
申请日：2016-07-06
发明人： Koichi Yamaguchi
IPC分类号： H01F21/02 , H01F27/255 , H01F21/06
摘要： First and second coils are disposed coaxially with a gap provided therebetween and are configured to mutually cancel out magnetic fields provided thereby. A receptacle portion that defines a space traversing at least a portion of a magnetic flux produced by the coils is provided, and a magnetic powder is contained in the receptacle portion so as to occupy a portion of the space. The magnetic powder moves within the space, and this movement produces a change in the magnetic flux. This change in the magnetic flux appears in the form of a change in the inductance value.
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公开(公告)号：US11742127B2
公开(公告)日：2023-08-29
申请号：US16943134
申请日：2020-07-30
CPC分类号： H01F17/0013 , H01F17/04 , H01F27/292 , H01F27/32 , H01F2017/048
摘要： An inductor component includes a base body, a first coil line and a second coil line, a first substantially columnar line and a second substantially columnar line, and a third substantially columnar line and a fourth substantially columnar line. The first substantially columnar line is located closer to the third substantially columnar line than the fourth substantially columnar line. A minimum distance X1 between the first substantially columnar line and the third substantially columnar line is shorter than a minimum distance Y between a first portion of the first coil line and a second portion of the second coil line.
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公开(公告)号：US09997288B2
公开(公告)日：2018-06-12
申请号：US14872980
申请日：2015-10-01
CPC分类号： H01F17/0006 , H01F17/04 , H01F27/292
摘要： An electronic component includes a body and a coil. The body includes first to fourth insulator layers composed of an anisotropic magnetic material, an internal magnetic circuit composed of an isotropic magnetic material and an external magnetic circuit composed of an isotropic magnetic material. The second and third insulator layers cover an upper surface and a lower surface of the coil from a z-axis direction. The internal magnetic circuit and the external magnetic circuit are adjacent to each other in a direction orthogonal to the z-axis direction. In addition, a direction of easy magnetization of the anisotropic magnetic material used in the first to fourth insulator layers is orthogonal to the z-axis direction.
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