Patents Examined by Kazi Hossain
  • Patent number: 10734145
    Abstract: The present invention relates to a coil (1) for an inductor (6), comprised by metal wire (2) wound circular around a centre axis (C), wherein the wire has an electrically insulating layer (3) insulating each turn of the wire in the winding from neighbouring turns, the shape of the complete winding, building up the coil (1), is substantially toroidal having a substantially elliptic cross section, wherein the thermal heat conductivity is above 1 W/m*K more preferably above 1.2 and most preferably above 1.5. The invention further relates to a magnetic core (7) suitable for an inductor (6), where in the core is made of a soft magnetic composite material made of metallic particles and a binder material, said particles are in the range of 1 ?m-1000 ?m, particles that are larger than 150 ?m are coated with a ceramic surface to provide particle to particle electrical insulation, wherein the volume of magnetic, metallic particles to total core volume is 0.5-0.9.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: August 4, 2020
    Assignee: Comsys AB
    Inventors: Oscar H. Bjarnasen, Tord Cedell
  • Patent number: 10510475
    Abstract: The invention proposes an induction component produced using thin film technology which can be used for a variety of functions. It contains, on a magnet core with a ring shape, two coil devices which, for their Part, are in turn constructed from at least two coils. The adjacent end windings of adjacent coils are connected to one another and to a common solder pad within each coil device. This makes it possible to connect individual coils and thus to utilize different functions of the induction component.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: December 17, 2019
    Assignee: Wuerth Elektronik eiSos GmbH & Co. KG
    Inventors: Dragan Dinulovic, Alexander Gerfer
  • Patent number: 10497505
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Patent number: 10490343
    Abstract: Three or more of n inductors are arranged inside an insulating member. Inside the insulating member, each of the inductors includes coil conductors that are contained in respective coil conductor layers that are stacked in a first direction and via conductors, each of which connects the coil conductors that are contained in the coil conductor layers adjoining in the first direction. Each of the coil conductor layers contains the n coil conductors of the inductors, and a pattern formed of the coil conductors contained in each of the coil conductor layers has n-fold rotational symmetry.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: November 26, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kota Takayama, Yoshihiro Imanishi, Yu Ishiwata, Kiyomi Ikemoto
  • Patent number: 10262791
    Abstract: A configuration for replacing a multi-phase transformer includes a plurality of single phase transformers each having a housing which is filled with an insulating fluid and in which a core with a high-voltage winding and a low-voltage winding is disposed. The configuration can be set up flexibly and also connected easily and conveniently to a supply network or consumer network by providing each housing with at least one cable connection and connecting each cable connection through a cable line to an outdoor connection which is air insulated, constructed for outdoor use and set up separately from the housing.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: April 16, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventor: Christian Ettl
  • Patent number: 10256032
    Abstract: An electronic component includes: a magnetic body; first and second internal coil parts embedded in the magnetic body to be spaced apart from each other and including coil conductors disposed on first and second support members; and a spacer part disposed between the first and second internal coil parts and suppressing mutual interference of magnetic fields generated by the first and second internal coil parts.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: April 9, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Dong Jin Jeong
  • Patent number: 10236111
    Abstract: Techniques and mechanisms for delivering power with a transformer. In an embodiment, the transformer comprises a dielectric slab structure, a first conductor, a layer of ferromagnetic material disposed around first windings of the first conductor, and a second conductor which forms second windings around the layer of ferromagnetic material. For one of the first windings or one of the second windings, a cross-section of the winding conforms to a rectangle, wherein a width of the cross-section which is more than a height of the cross-section. A ferromagnetic material of the ferrite layer extends between successive ones of the first windings. In another embodiment, a volume fraction of the ferromagnetic material in the ferrite layer is equal to or less than ninety seven percent (97%).
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 19, 2019
    Assignee: Intel Corporation
    Inventor: Arvind Sundaram
  • Patent number: 10224141
    Abstract: A coupled inductor comprises an annular core 1 and coils 2a, 2b wound around the core. The annular core 1 includes a sendust core having a maximum differential permeability that is equal to or greater than 30.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: March 5, 2019
    Assignee: TAMURA CORPORATION
    Inventors: Naoki Inoue, Toshikazu Ninomiya
  • Patent number: 10224139
    Abstract: A coil device includes two core members, one of which is E-shaped. The E-shaped core member has left and right side faces, and a center leg that extends in a vertical direction. A conducting wire is wound around a core, the core being composed of the two core members arranged to face each other in the vertical direction with a gap between the two core members. The conducting wire is wound around the center leg. First and second heat-sinking plates made of metal are bent so as to be in contact with upper and side faces of the core. The first and second plates are arranged so that first edges of the plates are placed left-right symmetrically with respect to the core with a gap between the edges. Second edges of the plates are in contact with a metal heat-sinking board where the core is placed.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 5, 2019
    Assignee: FDK Corporation
    Inventors: Yuko Kanazawa, Masaru Shinoda, Kiyoto Ono, Tetsu Yamanaka, Mikio Kitaoka
  • Patent number: 10224138
    Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body; a conductive element disposed in the body; a first metal layer, disposed on the body and electrically connected to a terminal of the conductive element; a conductive and adhesive layer, overlaying on the first metal layer; and a second metal layer, overlaying on the first metal layer and the conductive and adhesive layer, wherein a first conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer and the conductive and adhesive layer, and a second conductive path is formed from the terminal of the conductive element to the second metal layer via the first metal layer without passing through the conductive and adhesive layer.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 5, 2019
    Assignee: CYNTEC CO., LTD.
    Inventors: Chi-Hsun Lee, Hsieh-Shen Hsieh, Sen-Huei Chen
  • Patent number: 10210988
    Abstract: Disclosed herein is a coil component that includes a drum core having a winding core and first and second flange portions provided at opposite ends of the winding core; a wire wound around the winding core; terminal electrodes provided in the first and second flange portions, the terminal electrodes being connected to ends of the wire; and a magnetic top plate made of magnetic-powder containing resin in which magnetic powder is mixed in binder resin, the magnetic top plate being fixed to the first and second flange portions. The magnetic top plate has a lower surface facing the first and second flange portions and an upper surface located opposite to the lower surface. The density of the binder resin is higher in a surface layer part on a side of the lower surface than in a surface layer part on a side of the upper surface.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: February 19, 2019
    Assignee: TDK CORPORATION
    Inventors: Yoshihiro Kawasaki, Syun Ashizawa, Hirohumi Asou, Nobuo Takagi
  • Patent number: 10192675
    Abstract: A pulse transformer includes a drum core having a winding core, two flanges on end portions of the winding core and each having a notch formed in the upper portion, two terminal electrodes and a center tap disposed on one of the flanges, two further terminal electrodes and another center tap disposed on the other flange, a coil includes four wires wound around the winding core of the drum core and connected to the terminal electrodes and the center taps, two of the wires are wound in one direction, and the other wires are wound in another direction, two of the wires cross each other at the inner surface of one of the flanges, and the other wires cross each other at the inner surface of the other flange.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 29, 2019
    Assignee: Tai-Tech Advanced Electronics Co., Ltd.
    Inventors: Ming Yen Hsieh, Hsiang Chung Yang
  • Patent number: 10170232
    Abstract: A toroid inductor includes a plurality of first turns configured in a first ring shape and a plurality of second turns configured in a second ring shape. The plurality of first turns includes a plurality of first upper interconnects, a plurality of first lower interconnects, and a plurality of first vias coupled to the plurality of first upper interconnects and to the plurality of first lower interconnects. The plurality of second turns is at least partially intertwined with the plurality of first turns. The plurality of second turns includes a plurality of second upper interconnects, a plurality of second lower interconnects, and a plurality of second vias coupled to the plurality of second upper interconnects and to the plurality of second lower interconnects.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: January 1, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Yue Li, Charles David Paynter, Ryan David Lane
  • Patent number: 10163557
    Abstract: Devices and methods including a though-hole inductor for an electronic package are shown herein. Examples of the through-hole inductor include a substrate including at least one substrate layer. Each substrate layer including a dielectric layer having a first surface and a second surface. An aperture included in the dielectric layer is located from the first surface to the second surface. The aperture includes an aperture wall from the first surface to the second surface. A conductive layer is deposited on the first surface, second surface, and the aperture wall. At least one coil is cut from the conductive layer and located on the aperture wall.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: December 25, 2018
    Assignee: Intel Corporation
    Inventors: William J. Lambert, Mihir K Roy, Mathew J Manusharow, Yikang Deng
  • Patent number: 10163562
    Abstract: An embodiment apparatus comprises a magnetic core comprising a first side and a second side opposite the first side, a first winding comprising a first portion wound around the first side and a second portion wound around the second side, a second winding comprising a third portion wound around the first side and a fourth portion wound around the second side, wherein the second portion and the fourth portion are coupled to each other.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: December 25, 2018
    Assignee: Futurewei Technologies, Inc.
    Inventors: Dianbo Fu, Yunfeng Liu, Yanshen Hu
  • Patent number: 10157705
    Abstract: The electric circuit includes a first inductor and a third inductor that, when viewed in plan view from a first direction, wind around a first axis extending in the first direction, and a second inductor that, when viewed in plan view from the first direction, winds around a second axis extending in the first direction. A second region where the second inductor is provided overlaps, in the first direction, with a first region where the first inductor is provided or a third region where the third inductor is provided. When a common mode signal is inputted to the first inductor to third inductor, the orientation of a magnetic field produced in the first axis by the first inductor and the third inductor is opposite from the orientation of a magnetic field produced in the second axis by the second inductor.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 18, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hiromu Fukushima, Masaki Kitajima, Kuniaki Yosui
  • Patent number: 10157707
    Abstract: A coil component includes a first core, a second core, a lead wire, an outside mark, and an inside mark. The first core includes a winding portion and a pair of core ends. The second core connects a pair of the core ends and includes an inside surface and an outside surface. The lead wire is wound around the winding portion. The outside mark is formed on the outside surface of the second core and designed to change its arrangement at the time of rotating the second core by 90 degrees in a rotational direction whose central axis is along a normal direction of the outside surface. The inside mark with undulation is formed on the inside surface of the second core and designed to change its arrangement at the time of rotating the second core by 90 degrees in the rotational direction.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 18, 2018
    Assignee: TDK CORPORATION
    Inventors: Nobuo Takagi, Tasuku Mikogami, Setu Tsuchida, Hiroyuki Abe
  • Patent number: 10153079
    Abstract: A laminated coil component is configured by laminating a plurality of magnetic layers and a plurality of coil conductors in a lamination direction. In a cross-section taken along a width direction of the coil conductors, each coil conductor has a first surface on one side in the lamination direction, a second surface on another side in the lamination direction, and side surfaces on both sides in the width direction. The second surface makes contact with the magnetic layer. A hollow cavity portion is formed between the magnetic layer, and the first surface and both side surfaces. The hollow cavity portion has a first extended portion, extending outward in a direction intersecting with the lamination direction, on the first surface side, on at least one of both end sides in the width direction.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: December 11, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hiroki Hashimoto, Masayuki Oishi
  • Patent number: 10115513
    Abstract: An integrated inductor structure includes a guard ring, a patterned ground shield, and an inductor. The guard ring includes an inner ring, an outer ring, and an interlaced structure. The inner ring is disposed in a first metal layer, and includes at least two inner ring openings. The outer ring is disposed in a second metal layer, and includes at least one outer ring opening. The interlaced structure is coupled to one of the at least two inner ring openings and the outer ring opening in an interlaced manner, such that the outer ring opening is enclosed. The patterned ground shield is disposed at an inner side of the inner ring, and coupled to the inner ring and the outer ring. The inductor is formed above the guard ring and the patterned ground shield.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: October 30, 2018
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Hsiao-Tsung Yen, Yuh-Sheng Jean, Ta-Hsun Yeh
  • Patent number: 10115516
    Abstract: The present invention relates to a planar inductor for progressive case hardening, comprising a carrier and an induction coil, which is accommodated by the carrier and exposed on a first side of the carrier and which is in the form of a conductor loop. According to the invention, the inductor comprises two spacing elements, which are space apart from one another and inserted into the carrier and which protrude from the carrier and beyond the conductor loop on the first side. The invention further relates to a preferred method for producing the planar inductor.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: October 30, 2018
    Assignee: THYSSENKRUPP ROTHE ERDE GMBH
    Inventors: Marco Burtchen, Mathieu Raymond Karl Langels