Coil Or Coil Turn Supports Or Spacers Patents (Class 336/199)
  • Patent number: 11195651
    Abstract: An inductance element includes a magnetic core and a coil having a portion embedded in the magnetic core. This portion includes a wound portion formed by winging a wire-shaped coil material including a wire-shaped conductive material and an insulating coating. The insulating coating includes a thin-walled portion reduced in thickness. A biting ratio R is defined by formula: R=ds/B, which is from 0.4 to 0.85 inclusive, where B is the average thickness of inter-coil insulating coatings, and ds is an upper biting limit obtained by measuring a biting depth, approximating a frequency distribution of the results by a normal distribution, and computing, as the upper biting limit, the sum of the mean da of the normal distribution and the product of 3.99 and the standard deviation ?. The biting depth is obtained by subtracting, from the average thickness B, the thickness of the thin-walled portion.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: December 7, 2021
    Assignee: Alps Alpine Co., Ltd.
    Inventors: Akinori Kojima, Seisaku Imai, Akira Sato, Keiichiro Sato
  • Patent number: 11170922
    Abstract: A coil device is provided with a coil and a holder which holds the coil. The coil is formed by a conductive wire being wound in a wound wire direction and includes a plurality of turns that are adjacent in a direction intersecting the wound wire direction. The holder includes a plurality of first holding portions that hold the conductive wire in such a way that the conductive wire passes along a plurality of first paths corresponding to the plurality of turns, and at least one second holding portion which holds the conductive wire in such a way that the conductive wire passes along a second path extending in a direction intersecting the wound wire direction and connecting the first paths.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: November 9, 2021
    Assignee: IHI CORPORATION
    Inventors: Kenji Nishimura, Susumu Tokura, Jun Araki
  • Patent number: 10797518
    Abstract: A wireless charging resource includes: processing elements; insulating elements; and coils, where the processing elements, insulating elements, and coils are arranged in a repeating array. A method of wireless charging includes: sending, from a charging resource, an analog ping to identify charging coils associated with a charging receiver; sending a digital ping to identify optimal charging coils; and activating the optimal charging coils in order to provide charging power to the charging receiver. A method of generating a layout for a wireless charging transmitter includes: determining an available area; calculating a number of coils to be included in an array; arranging a first set of coils including the number of coils on a first coil layer; arranging a second set of coils including the number of coils on a second coil layer; and arranging a third set of coils including the number of coils on a third coil layer.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: October 6, 2020
    Inventor: Ying Xiong
  • Patent number: 10566825
    Abstract: A method of transferring wireless power using magnetic induction, can include selecting a coil among a plurality of coils partially overlapping each other; sensing a current flowing through the selected coil; receiving an amount of power requested by a wireless power receiver; and controlling an output voltage of a DC-DC converter based on the current flowing through the selected coil and the amount of power requested by the wireless power receiver, in which the controlling the output voltage of the DC-DC converter includes: dividing the output voltage of the DC-DC converter to generate a divided output voltage; and adjusting a level of the output voltage of the DC-DC converter with a feedback signal based on the divided output voltage, in which the dividing the output voltage includes damping the output voltage by a first resistor, a second resistor and a third resistor, and the first resistor is connected between an output terminal of the DC-DC converter and a feedback port of the DC-DC converter, the secon
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: February 18, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jay Park
  • Patent number: 10546685
    Abstract: A wireless power transmitting apparatus can include a first transmitting coil; a second transmitting coil; a third transmitting coil on the first transmitting coil and the second transmitting coil; and a substrate to accommodate the first transmitting coil, the second transmitting coil, and the third transmitting coil, in which the substrate includes a wall to surround a part of an outer circumference of the first transmitting coil and a part of an outer circumference of the second transmitting coil; a first protrusion to surround a first part of an outer circumference of the third transmitting coil; and a second protrusion to surround a second part of the outer circumference of the third transmitting coil, in which the first protrusion comprises a first stepped portion to support the third transmitting coil, and the second protrusion comprises a second stepped portion to support the third transmitting coil.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: January 28, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jay Park, Soon Young Hyun
  • Patent number: 10447084
    Abstract: A wireless charging mat has a surface area for receiving an electronic device to be charged. The surface area of the charging mat includes an inner region having a rough surface texture and an outer region having s smooth surface texture, and the outer region is elevated relative to the inner region.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: October 15, 2019
    Assignee: Apple Inc.
    Inventors: Timothy J. Rasmussen, Eric S. Jol, Paul J. Thompson
  • Patent number: 10340711
    Abstract: Embodiments describe a wireless charging device including: a housing having a planar charging surface and one or more walls that define an interior cavity; a transmitter coil arrangement positioned within the interior cavity; and a faraday cage enclosing the transmitter coil arrangement. The faraday cage includes: an electromagnetic shield positioned between the transmitter coil arrangement and the first shell; an interconnection structure positioned within the interior cavity below the transmitter coil arrangement, the interconnection structure including a plurality of packaged electrical components mounted on the interconnection structure; a ferromagnetic shield positioned between the transmitter coil arrangement and the interconnection structure; and a conductive grounding fence disposed around a perimeter of the interconnection structure and between the electromagnetic shield and the interconnection structure.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 2, 2019
    Assignee: Apple Inc.
    Inventors: Christopher S. Graham, Demetrios B. Karanikos, Darshan R. Kasar, Paul J. Thompson, Eric S. Jol, Grant S. Haug, Karl Ruben F. Larsson
  • Patent number: 10320221
    Abstract: A wireless power charging system includes a reception coil unit including an insulating layer, a first coil including a first body portion disposed as a spiral on one surface of the insulating layer and a first lead portion extending from one end of the first body portion and led out of the insulating layer, and a second coil including a second body portion formed on the other surface of the insulating layer and electrically connected to the other end of the first body portion through a via and a second lead portion extending from the second body portion and led out of the insulating layer. The second coil has a width larger than that of the first coil and has a thickness smaller than that of the first coil.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 11, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Min Lee, Jung Young Cho, Doo Ho Park
  • Patent number: 10276294
    Abstract: A coil component includes a body part including a magnetic material; a coil part disposed in the body part; and an electrode part disposed on the body part, wherein the coil part includes a supporting member, a coil conductor disposed on at least one surface of the supporting member and having a conductor pattern of a planar coil shape, and an insulator filling a space between the conductor patterns and covering an outer surface of the conductor pattern, and the conductor pattern has an aspect ratio (H1/W1), which is a ratio of a height H1 to a width W1, of 3 to 9, and a method of manufacturing the same.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hun Kim, Young Ku Lyu, Boum Seock Kim
  • Patent number: 10277043
    Abstract: Embodiments describe a wireless charging device including a housing having a charging surface and first and second walls defining an interior cavity, and a transmitter coil arrangement disposed within the interior cavity and configured to generate a time-varying magnetic flux and an electric field during wireless power transfer, where each of the plurality of transmitter coils has a central axis positioned a lateral distance away from the central axes of all other transmitter coils of the plurality of transmitter coils.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 30, 2019
    Assignee: Apple Inc.
    Inventors: Christopher S. Graham, Demetrios B. Karanikos, Darshan R. Kasar, Paul J. Thompson, Eric S. Jol, Grant S. Haug, Karl Ruben F. Larsson, Stefan A. Kowalski
  • Patent number: 9812243
    Abstract: A transformer assembly includes a housing with a sealed housing interior, a transformer disposed within the housing interior and having a core with windings wrapped about the core, and a condenser mounted to the housing. The condenser is in fluid communication with the housing interior. A surface of the windings bounds a coolant channel extending between the windings and the condenser to convey coolant of a first phase to the condenser and receive coolant of a second phase from the condenser.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: November 7, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Adam M. White, Mustansir Kheraluwala, Frank Z. Feng, Kris H. Campbell, Charles Shepard
  • Patent number: 9293994
    Abstract: An electric power source device has a transformer, primary side semiconductor components, secondary side semiconductor components, a choke coil, a base plate and first circuit substrate and one or more second circuit substrates. The transformer has a primary side coil and a secondary side coil. The primary side semiconductor components form a primary side circuit connected to the primary side coil. The secondary side semiconductor components form a secondary side circuit connected to the secondary side coil. The choke coil has a smoothing circuit for smoothing an output voltage. The transformer, the primary side semiconductor components, the secondary side semiconductor components and the choke coil are formed on the base plate. The first circuit substrate is arranged parallel to the base plate. The second circuit substrate is arranged parallel to a normal line of the first circuit substrate.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: March 22, 2016
    Assignee: DENSO CORPORATION
    Inventors: Shuji Kurauchi, Katsutoyo Misawa, Yuuki Takemoto, Yuuichi Handa, Shotaro Yamasaki
  • Patent number: 9024713
    Abstract: Methods and devices for an extreme duty transformer with wet wound primary and secondary winding encapsulated with a resin and having corrugated insulating material as cooling ducts as a transformer capable of withstanding extreme mechanical stresses in an underground mining environment. The method includes providing a resin impregnated rectangular winding form, forming a secondary winding with alternating layers of magnet wire with a resin impregnated insulating collar above and below the magnet wire and corrugated insulating material extending the full or partial circumference and width of the coil. An insulating layer of corrugated material and resin impregnated insulation is wound to separate the primary from the secondary windings.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: May 5, 2015
    Assignee: Power Distribution Products, Inc.
    Inventor: Kurt Carlson
  • Patent number: 9009951
    Abstract: An electromagnetic component includes a coil portion with a multi-layer stack structure, a molded body encapsulating the coil portion, and two electrodes respectively coupled to two terminals of the coil portion. The coil portion is fabricated using plating, laminating and/or pressing manufacturing techniques.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: April 21, 2015
    Assignee: Cyntec Co., Ltd.
    Inventors: Wei-Chien Chang, Chia-Chi Wu, Lang-Yi Chiang, Tsung-Chan Wu, Jih-Hsu Yeh
  • Publication number: 20150086040
    Abstract: An apparatus and method for optimizing a parametric emitter system having a pot core inductive device coupled between an amplifier and emitter. The pot core inductive device allows for adjustments of the air gap formed between the two halves of the pot core structure to adjust its inductive value. This post-manufacture adjustability allows for corrections of differences caused by operations of other components in the audio system and to account for slight differences in the electrical circuit of different amplifier/emitter combinations. As efficiency of the system is dependent on the functional relationship between the amplifier, inductive device, and emitter, this allows for fine tuning of the signal to obtain high quality.
    Type: Application
    Filed: September 24, 2013
    Publication date: March 26, 2015
    Applicant: Parametric Sound Corporation
    Inventor: ELWOOD GRANT NORRIS
  • Patent number: 8981889
    Abstract: Disclosed herein is a common mode filter with an ESD protection pattern built therein. The common mode filter includes a base substrate that is made of an insulating material, a first insulating layer that is formed on the base substrate, a coil-shaped internal electrode that is formed on the first insulating layer, a second insulating layer that is formed on the internal electrode, a first external electrode terminal that is formed on the second insulating layer, a first ferrite resin layer that is formed on the second insulating layer and receives the first external electrode terminal, an ESD protection pattern that is formed on the first external electrode terminal, a second external electrode terminal that is formed on the ESD protection pattern, and a second ferrite resin layer that is formed on the first ferrite resin layer and receives the second external electrode terminal.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Young Seuck Yoo, Kang Heon Hur, Jun Hee Bae, Yong Suk Kim, Sang Moon Lee, Won Chul Sim, Young Do Kweon, Sung Kwon Wi
  • Patent number: 8981890
    Abstract: There are provided a non-magnetic composition for a ceramic electronic component, a ceramic electronic component manufactured by using the same, and a manufacturing method thereof. The non-magnetic composition for a ceramic electronic component includes a compound represented by ZnCuTiO4 such that the inductance decreasing rate at the high current and the capacitance rate of change of the magnetic body after the application of current according to the temperature change are insensitive, whereby the stable operational characteristics of the ceramic electronic component may be secured.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: March 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sung Yong An, Min Kyoung Cheon, Ho Yoon Kim, Young Il Lee, Myeong Gi Kim
  • Patent number: 8961384
    Abstract: An electrical system having an underlying structure resembling the double helix most commonly associated with DNA is used to produce useful electromagnetic fields for health applications and/or medical applications.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: February 24, 2015
    Assignee: Medical Energetics Ltd
    Inventor: David G. Schmidt
  • Publication number: 20150048916
    Abstract: A transformer is configured to receive an input electrical signal at input nodes and supply an output electrical signal at output nodes. The transformer includes windings wound on the core between the input and output nodes. The windings define a signal path to transform the input electrical signal into the output electrical signal along the signal path. The transformer includes a first insulated conductive layer arranged between first and second windings configured to receive a first bias voltage. The transformer includes a second insulated conductive layer arranged spatially proximate to the first and second windings configured to receive a second bias voltage. The first and second insulated conductive layers form an electrostatic field that is based on a potential difference between the first and second bias voltages independent of the signal path. The windings are arranged to be within the formed electrostatic field.
    Type: Application
    Filed: September 6, 2013
    Publication date: February 19, 2015
    Applicant: The Quest Group
    Inventor: Garth Judson POWELL
  • Patent number: 8933772
    Abstract: A coil component comprises: a coil bobbin, which has a coil-winding section in an outer circumferential portion so that a coil is to be wound on the coil-winding section, and which has a through-hole in a central portion thereof; a first core and a second core, which have a plurality of magnetic legs respectively, wherein a certain leg of the plurality of the magnetic legs of the first core and a certain leg of the plurality of the magnetic legs of the second core are inserted into the through-hole of the coil bobbin to face each other with a predetermined gap, and wherein facing surfaces of the certain legs of the magnetic legs are fixed by an adhesive; and a protective cover, which is positioned between the coil bobbin and the certain legs to suppress the adhesive from being attached to the coil bobbin.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: January 13, 2015
    Assignee: Minebea Co., Ltd.
    Inventors: Mitsuaki Suzuki, Masahiro Tanaka
  • Publication number: 20150009006
    Abstract: There is provided a transformer including: a bobbin; a primary coil member mounted in the bobbin; and a secondary coil member formed integrally with the bobbin.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 8, 2015
    Inventors: Jong Hae KIM, Jae Sun WON, Young Min LEE, Hwi Beom SHIN, Se Kyo CHUNG, Sang Dae KIM
  • Publication number: 20140306791
    Abstract: An inverter is offered which has a substrate having a capacitor, a semiconductor device, and so on mounted thereon, a metal enclosure securely holding the substrate, and a choke coil of an open magnetic path structure. The choke coil has a rod-like core disposed perpendicularly to the substrate. The choke coil is electrically connected with the substrate via coil terminals on a coil element. At least one cutout is formed in a surface of the substrate which is located opposite to one axial end (lower end) of the rod-like core of the choke coil.
    Type: Application
    Filed: April 10, 2014
    Publication date: October 16, 2014
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Takuro KANAZAWA, Kinya NAKATSU, Haruaki MOTODA
  • Publication number: 20140286054
    Abstract: An inductive component (1a . . . 1e) with at least two coils (2 . . . 4b) in a closed main magnetic circuit (5a . . . 5j) for guiding a magnetic main flux (?H) penetrating all coils (2 . . . 4b) is specified. The inductive component furthermore comprises a leakage field guide component (6a . . . 8c) or a plurality of leakage field guide components (6a . . . 8c), wherein a leakage field guide component (6a . . . 8c) is arranged between two coils (2 . . . 4b) in each case, separated by two air gaps (E . . . J) from the main magnetic circuit and intended for guiding a magnetic leakage flux ?S different from the main flux ?H. The main magnetic circuit (5a . . . 5j) and/or the leakage field guide components (6a . . . 8c) consist of a magnetically isotropic material. Furthermore, the invention relates to a use of a choke (1a . . . 1e) with leakage field guide component (6a . . . 8c) for guiding a leakage flux (?S) arising in the choke (1a . . . 1e) as a PFC (Power Factor Correction) choke.
    Type: Application
    Filed: October 19, 2012
    Publication date: September 25, 2014
    Applicant: BRUSA Elektronik AG
    Inventor: Axel Krause
  • Publication number: 20140184151
    Abstract: There are provided a coil for cordless charging, which may be formed as a thin coil in spite of the presence of a plurality of coils included therein, and a cordless charging apparatus using the same. The cordless charging apparatus includes: a coil unit including coil substrates having a coil pattern and a connection substrate having one end interposed between the coil substrates and electrically connected to the coil pattern and the other end electrically connected to the outside; and a case accommodating the coil unit therein.
    Type: Application
    Filed: March 11, 2013
    Publication date: July 3, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Mok HAN, Hyeon Gil Nam, Jae Suk Sung, Hyung Wook Cho, Ki Won Chang, Sung Heum Park, Sung Eun Cho, Dae Seong Jeon
  • Patent number: 8717136
    Abstract: A thin film inductor having yokes, one or more of which is laminated, and one or more conductors passing between the yokes. The laminated yoke or yokes help reduce eddy currents and/or hysteresis losses.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: May 6, 2014
    Assignee: International Business Machines Corporation
    Inventors: Robert E. Fontana, Jr., William J. Gallagher, Philipp Herget, Eugene J. O'Sullivan, Lubomyr T. Romankiw, Naigang Wang, Bucknell C. Webb
  • Patent number: 8665051
    Abstract: A vertical transformer comprising a core provided with a middle leg installing a first and a second coils, a side leg, a first connection part connecting an end of the middle leg and that of the side leg, and a second connection part connecting the other end of the middle leg and that of the side leg, a first bobbin provided with a first hollow cylinder where at least either the first or the second coil is wound, and a core on-board face connected to an end of the first hollow cylinder, and an adhesive hardened part connecting a connection side face, and the core on-board face, and formed by hardening an adhesion, wherein the core on-board face is provided with a positioning part positioning the connection side face, and a positioning projection, is formed on both sides of the first connection part.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 4, 2014
    Assignee: TDK Corporation
    Inventors: Hiroshi Maeda, Toru Honma
  • Patent number: 8653924
    Abstract: The invention provides a reactor to be built in a power converter. In the reactor, an induction component composed of a coil being a winding of a conductor wire, a core in which interior a magnetic path is formed and an insulation bobbin positioning and engaging a wire wound part of the coil is housed in a case to be soaked with a mold resin. Inner bottom face of the case has a plurality of surfaces having not less than two different heights letting the outside bottom of the case a reference surface, and the lower end face of the core is in contact with any of the case inner bottom surfaces excluding the lowest inner bottom surface. As a result, the reactor is suitable for on-vehicle applications to achieve reduced article variation as well as a longer service life, a shorter operation time and decreased cost.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: February 18, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masaru Kobayashi, Takao Mitsui, Matahiko Ikeda, Naoki Moritake, Hirotoshi Maekawa, Ryuichi Ishii, Kenji Matsuda, Toshinori Yamane
  • Patent number: 8648687
    Abstract: A symmetric planar transformer having adjustable leakage inductance has a circuit board, two first bobbins mounted respectively on opposite side surfaces of the circuit board, two primary windings mounted respectively on the first bobbins, two secondary windings disposed respectively between the circuit board and the first bobbins, two second bobbins disposed respectively between adjacent first bobbins and primary windings, two pad sets disposed respectively between adjacent first bobbins and second bobbins, and a magnetic core assembly mounted through the circuit board, the first and second bobbins, the secondary and primary windings and the pad sets. Adjusting the numbers of the at least one pad of each pad set also adjusts distances between the primary and secondary windings to allow the secondary windings to have the same leakage. Thus, a balanced electric current is induced.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: February 11, 2014
    Assignee: Acbel Polytech Inc.
    Inventors: Dong-Sheng Li, Huai-Shen Tsai, Wei-Liang Lin, Sheng-Chih Chang
  • Publication number: 20140028433
    Abstract: There is provided a transformer including: a bobbin; a primary coil member mounted in the bobbin; and a secondary coil member formed integrally with the bobbin.
    Type: Application
    Filed: November 15, 2012
    Publication date: January 30, 2014
    Applicants: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY, SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Hae KIM, Jae Sun Won, Young Min Lee, Hwi-Beom Shin, Se Kyo CHUNG, Sang Dae KIM
  • Publication number: 20140022041
    Abstract: There is provided a power inductor including: a main body; and first and second external electrodes formed on both end portions of the main body, wherein the main body includes: upper and lower cover layers; at least one coil support layer having a through hole formed in a center thereof, at least one first recess portion formed in both lateral surfaces thereof and a plurality of second recess portions formed in respective corners thereof, and disposed between the upper and lower cover layers; and first and second coil layers formed on both surfaces of the coil support layer and having respective one ends thereof connected to the first and second external electrodes.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Soo PARK, Young Ghyu AHN, Jung Min PARK, Min Cheol PARK
  • Patent number: 8624698
    Abstract: A transformer capable of security insulting reliability and a power module having the same are provided. The transformer includes: a winding unit having at least one winding space in which a plurality of coils are wound in a stacked manner on an outer circumferential surface of a cylindrical body portion; and a terminal fastening unit formed to extend from one end of the winding unit in an outer diameter direction and having a plurality of external connection terminals fastened to an end thereof, wherein a width of the winding space is less than 0.45 times that of a diameter of the body portion.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: January 7, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Deuk Hoon Kim, Dae Young Hwang, Myeong Jeong Kim, Jong Woo Kim, Chang Yong Kwon
  • Patent number: 8610531
    Abstract: A microcoil is manufactured by rolling a trace unit in such a way as to form at least one winding. The trace unit is comprised of a conductive trace attached to a flexible insulating film. A preferred embodiment of the microcoil contains both a first winding and a second winding electrically connected and spaced apart by ajoining portion. The microcoil may be used for internal magnetic resonance imaging of patient by attaching the microcoil to a catheter.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: December 17, 2013
    Assignee: Medtronic, Inc.
    Inventor: Gerald W. Mills
  • Patent number: 8598973
    Abstract: A reactor that is fabricated with high productivity is provided. The reactor 1 includes an annular magnetic core 11, a coil molded product 12A, and an external resin portion 13. The coil molded product 12A is disposed around an outer periphery of the magnetic core 11, the external resin portion 13 covers an outer periphery of an assembly 10 of the magnetic core 11 and the coil molded product 12A. The magnetic core 2 includes a plurality of core pieces that are combined so as to form an annular shape. The magnetic core 2 is fixed in the annular shape using the external resin portion 13 that covers the magnetic core without use of adhesive. The coil molded product 12A includes a coil 12 formed of a helically wound wire 12w and an internal resin portion 12c that maintains the coil 12 in a compressed state. Since the magnetic core 11 is formed without adhesive, a bonding step is not required. Due to use of the coil molded product 12A, the coil 12 needs not be compressed while forming the reactor 1.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: December 3, 2013
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Hajime Kawaguchi
  • Patent number: 8593247
    Abstract: There is provided a chip-type coil component, including: a body formed by laminating a plurality of magnetic layers, and having a lower surface provided as a mounting area, an upper surface corresponding thereto, two end surfaces, and two lateral surfaces; conductor patterns formed on the magnetic layers, respectively, and connected to each other to have a coil structure; and external electrodes formed on at least one external surface of the body, and electrically connected to the conductor patterns, the external electrodes each being formed on the lower surface and spaced apart from edges thereof. Short circuits between electronic components may be prevented and sticking strength between the chip-type coil component and a substrate may be increased.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: November 26, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Jin Jeong, Jae Wook Lee
  • Publication number: 20130307658
    Abstract: A transformer includes a bobbin. The bobbin includes a base and a main body. The main body is disposed on the base. The main body has a channel passing through the main body. The channel has two openings. Each of the openings has a first center. The main body includes a first main body portion and a second main body portion respectively at two sides of a first plane that is parallel to the base and passes through the first centers. The second main body portion is connected between the first main body portion and the base. The first main body portion and the second main body portion are asymmetric and have different heights relative to the first plane.
    Type: Application
    Filed: September 14, 2012
    Publication date: November 21, 2013
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Yu-Chin LIN, Yu-Jen HUANG, Zhi-Liang ZHANG
  • Patent number: 8564393
    Abstract: A coil component 100 is provided with a substrate 11, a thin-film coil layer 12 provided on the substrate 11, first and second bump electrodes 13a, 13b provided on a surface of the thin-film coil layer 12, a first lead conductor 20 provided on the surface of the thin-film coil layer 12 together with the first and second bump electrodes 13a, 13b and formed integrally with the first bump electrode 13a, and an insulator layer 14 provided between the first bump electrode 13a and the second bump electrode 13b. The thin-film coil layer 12 contains a first spiral conductor 16 which is a plane coil pattern. The first bump electrode 13a is connected to an internal peripheral end of the first spiral conductor 16 via the first lead conductor 20. The second bump electrode 13b is connected to an external peripheral end of the first spiral conductor 16.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: October 22, 2013
    Assignee: TDK Corporation
    Inventors: Tomonaga Nishikawa, Makoto Yoshida, Tomokazu Ito, Hiroshi Kamiyama, Takeshi Okumura, Sho Nakagomi
  • Patent number: 8552829
    Abstract: A transformer device includes a glass substrate having a first side and a second side arranged opposite the first side. A first recess is formed at the first side of the glass substrate. A second recess is formed at the second side of the glass substrate. The first and second recesses are arranged opposite to each other. A first coil is arranged in the first recess and a second coil is arranged in the second recess.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: October 8, 2013
    Assignee: Infineon Technologies Austria AG
    Inventors: Friedrich Kroener, Carsten von Koblinski
  • Patent number: 8552827
    Abstract: The present invention provides a coil component provided with a magnetic core and a coil wound around the magnetic core. The coil component of the present invention is provided with an eddy-current generation member using any one of or any combination of a tape member using a conductive metallic foil, a thin film using a conductive metal material, a ribbon using a conductive metal material, a coated film using a conductive metal material, and a plate member using a conductive metal material. In a coil antenna adopting the coil component of the present invention, it is enabled to adjust the Q value to a desired value without increasing the direct current resistance value.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: October 8, 2013
    Assignee: Sumida Corporation
    Inventors: Yoshiki Kudo, Fumihito Meguro, Tsuyoshi Sato, Takanobu Rokuka, Shinji Okamura
  • Patent number: 8536967
    Abstract: In a coil bobbin, a cover section is provided as a spacer section which abuts against a heat radiating section that functions as a heat radiating terminal of the first coil winding, from a direction following the axis line of the tubular section. Here, when performing heat radiation from the coil winding, since the cover section which abuts against the heat radiating terminal when the coil winding is fixed to the heat radiating object functions as an insulating member, then the radiation of heat from the coil winding is raised without increasing the number of parts.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: September 17, 2013
    Assignee: TDK Corporation
    Inventor: Kouji Kaneko
  • Publication number: 20130176095
    Abstract: A thin film inductor having yokes, one or more of which is laminated, and one or more conductors passing between the yokes. The laminated yoke or yokes help reduce eddy currents and/or hysteresis losses.
    Type: Application
    Filed: January 10, 2012
    Publication date: July 11, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Robert E. Fontana, JR., William J. Gallagher, Philipp Herget, Eugene J. O'Sullivan, Lubomyr T. Romankiw, Naigang Wang, Bucknell C. Webb
  • Publication number: 20130169403
    Abstract: A magnetic component and manufacturing method thereof are described. The manufacturing method includes the following steps: (1) coating an insulation material on the surface of a magnetic core to form an insulation magnetic core; (2) bending the conducting material into a predetermined shape to form a preformed conductive body; and (3) assembling the mold conducting body with the insulation magnetic core to form a magnetic component. The method of the present invention easily manufactures the magnetic component with a shrinkage size and good insulation characteristic between the preformed conductive body and the insulation magnetic core.
    Type: Application
    Filed: June 21, 2012
    Publication date: July 4, 2013
    Applicant: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventor: Jun SUN
  • Publication number: 20130162100
    Abstract: There is provided a dielectric composition, including: a basic powder including BamTiO3(0.995?m?1.010); a first subcomponent including 0.1 to 0.6 mole of zirconium (Zr) oxide or carbide, based on 100 moles of the basic powder; a second subcomponent including 0.8 to 6.0 moles of oxide or carbide including at least one of magnesium (Mg), strontium (Sr), and barium (Ba); a third subcomponent including 0.2 to 1.8 moles of oxide including at least one rare earth element; a fourth subcomponent including 0.05 to 0.30 mole of oxide including at least one transition metal; a fifth subcomponent including 0.05 to 0.35 mole of oxide including at least one of vanadium (V), niobium (Nb), and tantalum (Ta); and a sixth subcomponent including 0.5 to 4.0 moles of oxide including at least one of silicon (Si) and aluminum (Al).
    Type: Application
    Filed: September 14, 2012
    Publication date: June 27, 2013
    Inventors: Sung Hyung KANG, Du Won Choi, Min Sung Song, Chan Hee Nam
  • Patent number: 8471664
    Abstract: A transformer without coil racks includes a winding set, multiple conductive plates and an insulation mounting sheet. The winding set includes a coil portion and a magnetic core set running through the coil portion. The magnetic core set includes at least one inner magnetic core portion and at least two outer magnetic core portions that are spaced from each other by a gap. Each conductive plate includes a connecting section and two extended arms connected to two ends of the connecting section and running through the gap. The insulation mounting sheet includes multiple retaining slots corresponding to the gap to allow the extended arms to pass through and multiple retaining portions each being formed between two neighboring retaining slots to prevent the extended arms from contacting each other. The conductive plates run through the retaining slots and are confined by the retaining portions from moving.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: June 25, 2013
    Assignee: Zippy Technology Corp.
    Inventors: Yung-Hsin Huang, Tzung-Han Lee, Yun-Chen Chen
  • Patent number: 8439023
    Abstract: An ignition coil, in particular for an internal combustion engine of a motor vehicle, having a secondary winding situated on a coil body for the production of a high voltage at a spark plug, having a contact sleeve that electrically contacts the secondary winding and that is capable of being pushed over an end area of the coil body and that has at least one contact element for the secondary winding, and having a holding-down element that can be pushed over the contact sleeve and that acts on the at least one contact element of the contact sleeve. In its end position, the holding-down element protrudes beyond the at least one contact element of the contact sleeve, seen in the axial direction of the coil body, and covers the at least one contact element.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: May 14, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Konstantin Lindenthal, Johannes Kappeler, Holger Raaf, Thomas Breckle
  • Publication number: 20130113592
    Abstract: A magnetic component and a method for manufacturing a low profile, magnetic component. The method comprises the steps of providing at least one sheet, coupling at least a portion of at least one winding to the at least one sheet, and laminating the at least one sheet with at least a portion of the at least one winding. The magnetic component comprises at least one sheet and at least a portion of at least one winding coupled to the at least one sheet, wherein the at least one sheet is laminated to at least a portion of the at least one winding. The winding may comprise a clip, a preformed coil, a stamped conductive foil, or an etched trace using chemical or laser etching. The sheet may comprise any material capable of being laminated and/or rolled, including, but not limited to, flexible magnetic powder sheets.
    Type: Application
    Filed: December 28, 2012
    Publication date: May 9, 2013
    Applicant: Cooper Technologies Company
    Inventor: Cooper Technologies Company
  • Patent number: 8410887
    Abstract: In a built-in-coil substrate, when viewed in perspective in a stacking direction in which insulating layers of a substrate body are stacked, mutually superposed second coil elements are located further inward than inner peripheries of mutually superposed first coil elements. A cavity is continuous between at least one of the second coil elements and one insulating layer that is in contact with the second coil element(s), and another insulating layer that opposes the second coil element(s) such that the second coil element(s) are exposed, and, when viewed in perspective in the stacking direction, the cavities have annular shapes and extend further inward than the outer peripheries of the mutually superposed first coil elements, there being an interval provided between the cavities and these outer peripheries, and further outward than the inner peripheries of the mutually superposed second coil elements.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: April 2, 2013
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Jyunichi Nanjyo, Hiroki Sakamoto
  • Patent number: 8395470
    Abstract: An asymmetrical planar transformer having controllable leakage inductance is provided. The asymmetrical planar transformer includes a circuit board, a winding rack, a primary winding, a secondary winding, and a magnetic core assembly. Via hole is formed on circuit board. Winding rack includes several annular plates, a tubular shell, and a through hole. The first, second, and third annular plates are arranged in parallel. Position of through hole is corresponding to that of via hole. Primary winding is disposed between first and second annular plates, and is electrically connected with circuit board. Secondary winding, with annular shape, is disposed between second annular plate and third annular plate, and is electrically connected with circuit board. Magnetic core assembly includes magnetic column which is passed through via hole of circuit board and through hole of winding rack. Through hole is extended through secondary winding, first annular plate, second annular plate, and third annular plate.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: March 12, 2013
    Inventor: Chih-Hao Lin
  • Publication number: 20130057557
    Abstract: This disclosure provides implementations of high surface area stacked layered metallic structures, devices, apparatus, systems, and related methods. A plurality of stacked layers on a substrate may be manufactured from a plating bath including a first metal and a second metal. A modulated plating current can deposit alternate first metal layers and alloy layers, the alloy layers including the first metal and the second metal. Gaps between the alloy layers can be formed by selectively etching some portions of the first metal layers to define a stacked layered structure. Stacked layered structures may be useful in applications to form capacitors, inductors, catalytic reactors, heat transfer tubes, non-linear springs, filters, batteries, and heavy metal purifiers.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 7, 2013
    Applicant: QUALCOMM MEMS TECHNOLOGIES, INC.
    Inventors: Ravindra Vaman Shenoy, Philip Jason Stephanou, Ana Rangelova Londergan, Evgeni Petrovich Gousev
  • Publication number: 20130057378
    Abstract: Disclosed herein are a magnetic substrate, a common mode filter, a method for manufacturing a magnetic substrate, and a method for manufacturing a common mode filter. The common mode filter includes: a coil part including an insulation layer and a conductor pattern formed in the insulation layer; and a magnetic substrate coupled to one surface or both surfaces of the coil part, wherein the magnetic substrate includes: an electrostatic absorbing layer made of an electrostatic absorbing material; a magnetic layer provided on one surface or both surfaces of the electrostatic absorbing layer and made of a magnetic material; and an electrode provided between the magnetic layer and the electrostatic absorbing layer and made of a conductive material. Therefore, common mode filter may maintain high efficiency characteristics while preventing an electrostatic discharge phenomenon.
    Type: Application
    Filed: August 9, 2012
    Publication date: March 7, 2013
    Inventors: Sung Kwon WI, Jeong Bok KWAK, Sang Moon LEE, Young Seuck YOO, Yong Suk KIM
  • Patent number: 8378770
    Abstract: An inductor assembly includes a base and an inductor component. When the inductor component is disposed on the base, the distance between the inductor component and a nearby electronic component is increased by a connecting element or a carrying element of the base, and the inductor component is prevented from contacting the nearby electronic component by a spacing element of the base.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: February 19, 2013
    Assignee: Delta Electronics, Inc.
    Inventors: Pi-Fan Chen, Su-Chiung Hsu, Zhi-Liang Zhang, Ming-Cheng Lee