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公开(公告)号：US11962367B2
公开(公告)日：2024-04-16
申请号：US17800384
申请日：2021-02-24
摘要： An antenna for transfer of information or energy is described. The antenna includes an electrically conductive first layer having a width in a thickness direction of the antenna and extending longitudinally along a length of the first layer between first and second longitudinal ends of the first layer, and an electrically insulative thermally conductive second layer bonded to the first layer along the length of the first layer. The first and second layers are wound to form a plurality of substantially concentric loops. A width and a length of the second layer are substantially co-extensive with the respective width and length of the first layer so as to expose opposing longitudinal edge surfaces of the first layer along the length of the first layer. Coils and assemblies useful for making coils are also described.
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公开(公告)号：US20220262740A1
公开(公告)日：2022-08-18
申请号：US17737285
申请日：2022-05-05
发明人： Jiwoong Kong , Jung Ju Suh , Seong-Woo Woo
IPC分类号： H01L23/552 , H05K9/00
摘要： An electronic assembly according to an embodiment includes: a circuit board including a first edge surface and a trace having an electrical conductivity; an electronic element including a lateral edge spatially spaced apart from the first edge surface, and mounted on the circuit board and electrically connected to the trace; a protection layer including a second edge surface and disposed on the electronic element to substantially cover the electronic element; a magnetic field shielding film including a third edge surface and disposed on the protection layer; and a first metal layer. The first edge surface connects a main top surface of the circuit board and a main bottom surface of the circuit board, the second edge surface connects a main top surface of the protection layer and a main bottom surface of the protection layer, and the third edge surface connects a main top surface of the magnetic field shielding film and a main bottom surface of the magnetic field shielding film, and the first edge surface, the second edge surface, and the third edge surface are substantially aligned with one another to form a coupling edge surface which is substantially planar. In addition, the first metal layer is disposed on the magnetic field shielding film, and covers the main top surface of the magnetic field shielding film and the coupling edge surface.
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公开(公告)号：US10985111B2
公开(公告)日：2021-04-20
申请号：US16822145
申请日：2020-03-18
发明人： Jiwoong Kong , Jung Ju Suh , Seong-Woo Woo
IPC分类号： H01L23/552 , H05K9/00
摘要： An electronic assembly according to an embodiment includes: a circuit board including a first edge surface and a trace having an electrical conductivity; an electronic element including a lateral edge spatially spaced apart from the first edge surface, and mounted on the circuit board and electrically connected to the trace; a protection layer including a second edge surface and disposed on the electronic element to substantially cover the electronic element; a magnetic field shielding film including a third edge surface and disposed on the protection layer; and a first metal layer. The first edge surface connects a main top surface of the circuit board and a main bottom surface of the circuit board, the second edge surface connects a main top surface of the protection layer and a main bottom surface of the protection layer, and the third edge surface connects a main top surface of the magnetic field shielding film and a main bottom surface of the magnetic field shielding film, and the first edge surface, the second edge surface, and the third edge surface are substantially aligned with one another to form a coupling edge surface which is substantially planar. In addition, the first metal layer is disposed on the magnetic field shielding film, and covers the main top surface of the magnetic field shielding film and the coupling edge surface.
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公开(公告)号：US20210005371A1
公开(公告)日：2021-01-07
申请号：US16904997
申请日：2020-06-18
发明人： Jinwook Kim , Seong-Woo Woo , Jung Ju Suh , Matthew R.C. Atkinson
IPC分类号： H01F10/08
摘要： A magnetic film includes one or more magnetically conductive layers. Each magnetically conductive layer is cracked to form a plurality of first through-cracks defining a plurality of magnetically conductive segments. The first through-cracks extend along a first direction and form a first regular pattern along an orthogonal second direction at a first pitch P1, such that a Fourier transform of the first regular pattern has a first peak along the second direction at a first spatial frequency corresponding to the first pitch P1. The first through-cracks have an average length L1 along the first direction. L1/P1 is greater than or equal to 5.
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5.发明申请公开(公告)号：US20200303320A1
公开(公告)日：2020-09-24
申请号：US16822145
申请日：2020-03-18
发明人： Jiwoong Kong , Jung Ju Suh , Seong-Woo Woo
IPC分类号： H01L23/552
摘要： An electronic assembly according to an embodiment includes: a circuit board including a first edge surface and a trace having an electrical conductivity; an electronic element including a lateral edge spatially spaced apart from the first edge surface, and mounted on the circuit board and electrically connected to the trace; a protection layer including a second edge surface and disposed on the electronic element to substantially cover the electronic element; a magnetic field shielding film including a third edge surface and disposed on the protection layer; and a first metal layer. The first edge surface connects a main top surface of the circuit board and a main bottom surface of the circuit board, the second edge surface connects a main top surface of the protection layer and a main bottom surface of the protection layer, and the third edge surface connects a main top surface of the magnetic field shielding film and a main bottom surface of the magnetic field shielding film, and the first edge surface, the second edge surface, and the third edge surface are substantially aligned with one another to form a coupling edge surface which is substantially planar. In addition, the first metal layer is disposed on the magnetic field shielding film, and covers the main top surface of the magnetic field shielding film and the coupling edge surface.
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公开(公告)号：US20230187125A1
公开(公告)日：2023-06-15
申请号：US18105980
申请日：2023-02-06
CPC分类号： H01F27/36 , H01F10/131 , H01F27/361 , H01F1/15333
摘要： A magnetic film includes iron and copper distributed between opposing first and second major surfaces of the magnetic film. The copper has a first atomic concentration C1 at a first depth d1 from the first major surface and a peak second atomic concentration C2 at a second depth d2 from the first major surface, d2>d1, C2/C1≥5.
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公开(公告)号：US20230077474A1
公开(公告)日：2023-03-16
申请号：US17800384
申请日：2021-02-24
摘要： An antenna for transfer of information or energy is described. The antenna includes an electrically conductive first layer having a width in a thickness direction of the antenna and extending longitudinally along a length of the first layer between first and second longitudinal ends of the first layer, and an electrically insulative thermally conductive second layer bonded to the first layer along the length of the first layer. The first and second layers are wound to form a plurality of substantially concentric loops. A width and a length of the second layer are substantially co-extensive with the respective width and length of the first layer so as to expose opposing longitudinal edge surfaces of the first layer along the length of the first layer. Coils and assemblies useful for making coils are also described.
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公开(公告)号：US20210076547A1
公开(公告)日：2021-03-11
申请号：US15733782
申请日：2019-05-07
发明人： Seong-Woo Woo , Jung-Ju Suh
摘要： A shielding tape according to an embodiment of the present disclosure includes a plurality of shielding members discrete from one another on a same plane, and, when the shielding tape is stretched in a first direction which is perpendicular to a thickness direction of the shielding tape, a distance between at least a portion of the shielding members increases, and a distance between the other portion of the shielding members is reduced.
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公开(公告)号：US10588250B2
公开(公告)日：2020-03-10
申请号：US16090755
申请日：2017-03-30
发明人： Seong-Woo Woo , Jinbae Kim , Jung-Ju Suh
IPC分类号： H05K9/00 , H01B11/10 , B32B7/06 , B32B15/09 , B32B15/18 , B32B27/28 , B32B27/36 , B32B3/10 , B32B5/16 , B32B7/12 , B32B15/04 , B32B15/08 , B32B15/16 , B32B15/20 , B32B27/00
摘要： The present disclosure relates to a magnetic shielding tape, which is capable of shielding a high-to-low frequency of a signal transmitted through a cable in shielding of a magnetic field which flows in such a cable or is emitted therefrom, and a method for manufacturing the same. The basic magnetic shielding tape comprises: —a thin film magnetic layer including at least one metal ribbon sheet which is divided into a plurality of fine pieces by flaking process, and a gap provided between adjacent fine pieces among the plurality of fine pieces; —a cover film layer adhered to one side surface of the thin film magnetic layer through a first adhesive layer; and—a conductive layer adhered to the other side surface of the thin film magnetic layer through a second adhesive layer, wherein a size of the gap is determined according to a frequency band of the signal.
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公开(公告)号：US20180359885A1
公开(公告)日：2018-12-13
申请号：US15780693
申请日：2016-11-29
发明人： Seong-Woo Woo
CPC分类号： H05K9/0088 , H01F27/365 , H01F38/14 , H01Q7/06 , H01Q17/004 , H04B5/005 , H05K9/0075
摘要： A magnetic isolator includes a dielectric film having a layer of electrically-conductive soft magnetic material bonded thereto. The layer of electrically-conductive soft magnetic material comprises substantially coplanar electrically-conductive soft magnetic islands separated one from another by gaps. At least some of the gaps are filled with an inorganic dielectric material. The gaps at least partially suppress electrical eddy current induced within the layer of soft magnetic material when in the presence of applied external magnetic field. An electronic device including the magnetic isolator and a method of making the magnetic isolator are also disclosed.
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