Patents Examined by Mang Tin Bik Lian
  • Patent number: 11114229
    Abstract: In an embodiment, a coil component includes an insulator part and a coil part. The insulator part is constituted by an electrical insulation material, and is no more than 600 ?m long and no more than 600 ?m high. The coil part is wound around one axis and placed inside the insulator part. The coil part has an opening part constituted by straight line parts and curved line parts and whose shape as viewed from the one axis direction is an approximate rectangle, wherein the line length of the curved line parts along the inner periphery of the opening part is no more than 40% of the line length of the inner periphery of the opening part. The coil component can satisfy both a size reduction need and the properties need.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: September 7, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takayuki Sekiguchi, Tsuyoshi Ogino
  • Patent number: 11107622
    Abstract: A coil component includes a body having a first surface and a second surface opposing each other in a thickness direction of the body and including a core formed in the thickness direction; a coil part embedded in the body and including at least one turn around the core; an insulating layer disposed on the first surface of the body; a bonded conductive layer disposed on the insulating layer and having a surface roughness of the first surface which is in contact with the insulating layer greater than a surface roughness of the second surface opposing the first surface of the bonded conductive layer; and external electrodes connected to the coil part and covering the bonded conductive layer.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Soo Kang, Byeong Cheol Moon, Joung Gul Ryu, Ju Hwan Yang
  • Patent number: 11107620
    Abstract: For a substrate of a coil component, there are arranged a plurality of through-holes; the pattern-wiring is provided with a loop-shaped portion surrounding the circumference of a center hole which penetrates the substrate a pair of end portions which extend from that loop-shaped portion; and the neighboring two through-holes within the plurality of through-holes penetrate the substrate in a state that at least a part of each of the openings thereof superimpose each of the pair of end portions and is connected electrically with each of the end portions. In addition, the opening of one of the through-holes at one of the end portions within the pair of end portions is provided at a biased position close to the other of the end portions with respect to the center of the one of the end portions in the intersecting-direction.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: August 31, 2021
    Assignee: SUMIDA CORPORATION
    Inventors: Tomoyuki Kanno, Hiroyuki Momoi
  • Patent number: 11107616
    Abstract: A coil component includes a body in which a coil part is embedded. The coil part includes a support member, pattern walls formed on the support member, and coil patterns extending between the pattern walls on the support member, and the pattern walls include support portions having a width greater than an average width of the pattern walls.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Do Choi, Yu Jong Kim, Sung Min Moon, Tae Ryung Hu, Sang Seob Kim, Dong Min Kim
  • Patent number: 11107623
    Abstract: An inductor includes a coil including a winding portion and a lead-out portion, a body constituted by a magnetic member and enclosing the coil, a protection layer disposed on a surface of the body, and an outer electrode. The body has a bottom surface, a top surface, two end surfaces, two side surfaces, and first and second R-chamfered sections. The outer electrode includes first and second electrode regions. The first electrode region is located on the bottom surface and is electrically connected to the lead-out portion. The second electrode region is located on the protection layer on each end surface. The radius of curvature of the first R-chamfered section in a cross section perpendicular to the bottom surface and the end surfaces is smaller than that of the second R-chamfered section in a cross section perpendicular to the end surfaces and the side surfaces.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 31, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hideaki Ooi, Naotaka Hata, Kuniaki Watanabe, Hiroaki Takashima
  • Patent number: 11094451
    Abstract: An electronic component comprises: a magnetic core having a flat base and a core, the flat base having a top, a bottom, and first and second opposite sides, the core is on the top; a winding having an edgewise coil including a wound flat wire and the core, the winding having two non-wound flat wires extending therefrom; and a magnetic exterior body covering the core and the edgewise coil. The two non-wound flat wires extend along the top, the first side, the bottom and then the second side, and the two non-wound flat wires are non-adhesively positioned around the flat base. The two non-wound flat wires on the bottom are externally exposed electrodes. The second side inclines towards the core. The two ends of the two non-wound flat wires are embedded into the magnetic exterior body to fix the two non-wound flat wires to the magnetic exterior body.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: August 17, 2021
    Inventors: Shinichi Sakamoto, Zhigang Cheng, Fernando Chan Mock, Mitsugu Kawarai
  • Patent number: 11087918
    Abstract: A 0.5-displacement region in which a first wire and a second wire are displaced by 0.5 turns from each other, and a 1.5-displacement region in which the first wire and the second wire are displaced by 1.5 turns in an opposite direction to a 0.5-displacement region are distributed along an axis direction on a winding core portion. The sum of the number of turns of the second wire located in the 0.5-displacement region being twice or more and five times or less than the sum of the number of turns of the second wire located in the 1.5-displacement region.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 10, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masashi Miyamoto, Shigeto Yamamoto, Kentaro Yamaguchi
  • Patent number: 11075030
    Abstract: An inductor according to an aspect of the present disclosure is an inductor array comprising a plurality of wire-wound type coils. The inductor array comprises a body comprising a first wire-wound type coil, a second wire-wound type coil, a fixation member, and a sealing material sealing the first wire-wound type coil, the second wire-wound type coil, and the fixation member, and comprising magnetic materials; and external electrodes arranged on an external surface of the body. The fixation member comprises a support portion and a core portion passing through the support portion. The first and second wire-wound type coils are arranged to be spaced apart from each other by the fixation member. The fixation member comprises magnetic materials.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chan Yoon, Dong Hwan Lee, Young Ghyu Ahn, Won Chul Sim
  • Patent number: 11069475
    Abstract: Structures and methods for reducing physical space of two or three inductors while maintaining low magnetic coupling between the inductors are presented. According to one aspect, the inductors share their volume spaces and have (substantially) orthogonal far field magnetic vectors. According to another aspect, the inductors are fabricated on planar layers of a stacked structure that includes conductive and non-conductive layers. According to an additional aspect, a coil structure of one of the inductors passes through a volume space of another inductor. According to another aspect, coil structures of two of the inductors are interlaced. According to another aspect, relative placement of two coil structures of two inductors is based on a number of windings of one of the two coil structures above and below the other coil structure. According to another aspect, a shape of a coil structure of one inductor follows a near field magnetic vector of another inductor.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: July 20, 2021
    Assignee: pSemi Corporation
    Inventor: Norman L. Frederick, Jr.
  • Patent number: 11069469
    Abstract: A coil electronic component includes a magnetic body, wherein the magnetic body includes a substrate, and a coil part including patterned insulating films disposed on the substrate, a first plating layer formed between the patterned insulating films by plating, and a second plating layer disposed on the first plating layer.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: July 20, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woon Chul Choi, Ji Hye Oh, Jung Hyuk Jung, Han Wool Ryu
  • Patent number: 11069468
    Abstract: An object of the present disclosure is to provide a common mode choke coil with high impedance and small variation. A common mode choke coil includes magnetic core having winding core part and a pair of flange parts provided on opposite ends of winding core part, external electrodes formed on each of flange parts, a pair of windings wound on winding core part, with each of the ends being drawn out and joined to one of external electrodes, and magnetic plate joined to the pair of flange parts with adhesive. Magnetic plate has joining parts joined to flange parts and opposing part opposing winding core part, and surface roughness of joining parts is smaller than surface roughness of opposing part.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: July 20, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomohiro Fujita, Yuji Yasuoka, Kenji Ueno, Yoshiko Higashi, Tsutomu Inuduka, Kazuhiro Okuda, Ryohei Harada
  • Patent number: 11069473
    Abstract: An inductor includes a coil including a winding portion and an lead-out portion, a body constituted by a magnetic member and enclosing the coil, a protection layer disposed on a surface of the body, and an outer electrode. The body has a bottom surface, a top surface, two end surfaces, two side surfaces, and first and second R-chamfered sections. The outer electrode includes first and second electrode regions. The first electrode region is located on the bottom surface and is electrically connected to the lead-out portion. The second electrode region is located on the protection layer on each end surface. The number of conductive particles in the first electrode region intersecting with a unit length of a straight line perpendicular to the bottom surface is greater than that in the second electrode region intersecting with a unit length of a straight line perpendicular to the end surface.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: July 20, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hideaki Ooi, Naotaka Hata, Kuniaki Watanabe, Hiroaki Takashima
  • Patent number: 11062830
    Abstract: A magnetic device includes a magnetic core, a plurality of first windings forming respective first winding turns, and a second winding forming a second winding turn. Each first winding turn is within the second winding turn, as seen when the magnetic device is viewed cross-sectionally in a first direction. Yet another magnetic device includes a magnetic core, one or more first windings, and one or more second windings magnetically isolated from the one or more first windings.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: July 13, 2021
    Assignee: Volterra Semiconductor LLC
    Inventors: Alexandr Ikriannikov, Anthony J. Stratakos
  • Patent number: 11056263
    Abstract: An inductor includes a core, first and second terminal electrodes, a wire, and a cover member. The core includes a shaft portion and first and second support portions. The wire includes a wound portion wound around the shaft portion, first and second connection end portions connected to the first and second terminal electrodes, respectively, a first wiring portion between the wound portion and the first connection end portion, and a second wiring portion between the wound portion and the second connection end portion. The cover member covers a top surface of the shaft portion. The first wiring portion and the second wiring portion are at least partly covered by the cover member.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: July 6, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Sunao Noya
  • Patent number: 11049638
    Abstract: An inductor and method for making the same are provided. The inductor includes a coil formed from a conductor and having a serpentine shape. The coil may have an ā€œSā€-shape. The coil has two leads extending from opposite ends of the coil. An inductor body surrounds the coil and portions of the leads. The leads may be wrapped around the body to create contact points on the exterior of the inductor.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: June 29, 2021
    Assignee: VISHAY DALE ELECTRONICS, LLC
    Inventors: Benjamin M. Hanson, Darek Blow, Chris Gubbels
  • Patent number: 11049639
    Abstract: Micro-fabricated coils are described. In some situations, the micro-fabricated coils include interleaved coils. In some situations, pairs of interleaved coils are stacked with respect to each other, separated by an insulating material. In some situations, the interleaved coils have an S-shape. The interleaved coils may be employed in a galvanic isolator.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: June 29, 2021
    Assignee: Analog Devices, Inc.
    Inventor: Kenneth G. Richardson
  • Patent number: 11049649
    Abstract: An isolation transformer includes a transformer core. First and second through-bores extend through the transformer core from a first surface to a second surface. Each through-bore has an elongated profile with at least a portion of the elongated profile providing a respective flat winding surface. The flat winding surfaces are spaced apart by a central portion of the transformer core. The transformer is wound with a six-wire cable having a central non-conductive core. First, second, third, fourth, fifth and sixth conductive wires are positioned around and adjacent to the central non-conductive core in a substantially equally spaced angular relationship. The second conductive wire is positioned between the first conductive wire and the third conductive wire; and the fifth conductive wire is positioned between the fourth conductive wire and the sixth conductive wire. The conductive wires are twisted about the central non-conductive core at a selected twist density.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 29, 2021
    Inventors: Victor H. Renteria, Chun Wing (Alan) Ng, Wai Shun Leung
  • Patent number: 11049645
    Abstract: A transformer is disclosed. The transformer includes a first coil including a first stack of wire disks stacked in a first direction; an exterior barrier arranged to form a first air gap between outer sides of the wire disks of the first stack of wire disks and the exterior barrier; an interior barrier arranged to form a second air gap between inner sides of the wire disks of the first stack of wire disks and the interior barrier; a wind generator arranged to generate an air flow in the first direction; a core in the form of a cylinder that is surrounded by the first coil; and an air guiding plate fixed to one of the exterior barrier and the interior barrier, to guide the air flow in a second direction along first stack gaps between the wire disks of the first stack of wire disks. The transformer effectively improves the heat dissipation of the coil and thus allows a smaller transformer in size.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 29, 2021
    Assignee: ABB Power Grids Switzerland AG
    Inventors: Ye Xu, Yong Wang, Qiongfang Lu, Wenhao Li
  • Patent number: 11049646
    Abstract: A noise filter (10) is equipped with a plurality of conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is inserted through the winding portions of the a plurality of conductors and made of a magnetic material. The ring-shaped core is composed of a pair of divisional cores (41) and (42) which are combined together by joining each pair of joining surfaces (43) and (44), located at each end, of the pair of divisional cores and. The one divisional core is straight and is inserted through the winding portions of the a plurality of conductors. The other divisional core has partition walls (45) each of which is located between adjacent ones of the a plurality of conductors, projects toward the one divisional core, and serves to form a magnetic path between the partition wall and the one divisional core.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 29, 2021
    Assignees: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hayato Iizuka, Kazuma Kayo, Hiroshi Aihara
  • Patent number: 11043329
    Abstract: In a planar coil element, a dead space in a non-overlapping region is reduced by designing a total width of a first resin wall and a first turn located in the non-overlapping region to be narrow, more specifically, by designing the total width to be narrower than a total width of a second turn outside the first turn and a second resin wall located inside the turn and also than a total width of a third turn on the outer side and a third resin wall located inside the turn. As a result, a volume of a magnetic element body in a magnetic core portion of a coil can be increased, and an, inductance value, which is a magnetic characteristic, can also be improved.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: June 22, 2021
    Assignee: TDK CORPORATION
    Inventors: Hitoshi Ohkubo, Masazumi Arata, Takahiro Kawahara, Hokuto Eda, Hiroki Tsujiai