Patents Examined by Tsz Chan
  • Patent number: 9236181
    Abstract: A laminated coil component includes a magnetic material part containing a metal magnetic material and a first glass component, and a nonmagnetic material part containing a ceramic material and a second glass component, and a coil conductor is formed so that at least the main surface of a coil pattern is in contact with the nonmagnetic material part. The magnetic material part is formed with the volume content of the first glass component based on the total amount of the metal magnetic material and the first glass component is 46 to 60 vol %. The nonmagnetic material part is formed with the volume content of the second glass component based on the total amount of the ceramic material and the second glass component is 69 to 79 vol %. A laminated coil component having good high-frequency characteristics and magnetic characteristics is obtained and a method for producing the laminated coil component.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: January 12, 2016
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Eiichi Maeda
  • Patent number: 9236172
    Abstract: A conductor pattern of a coil part formed in a spiral shape on a magnetic substrate, which includes: a primary conductor pattern; and a secondary conductor pattern formed on the primary conductor pattern. The primary conductor pattern is formed to have a longitudinal section including a first horizontal portion and a first vertical portion electrically connected to an end portion of one surface of the first horizontal portion. The secondary conductor pattern is formed to have a longitudinal section including a second horizontal portion corresponding to the first horizontal portion and a second vertical portion electrically connected to an end portion of one surface of the second horizontal portion.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: January 12, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Moon Lee, Yong Suk Kim, Jeong Bok Kwak, Young Seuck Yoo, Sung Kwon Wi
  • Patent number: 9236173
    Abstract: The present invention discloses a coil part including: a lower magnetic body; primary and secondary lower patterns formed on the lower magnetic body in a spiral shape in parallel to each other; a lower insulating layer covering the primary and secondary lower patterns; primary and secondary upper patterns electrically connected to the primary and secondary lower patterns, respectively, and formed on the lower insulating layer in a spiral shape in parallel to each other to correspond to the primary and secondary lower patterns; and an upper magnetic body formed on the primary and secondary upper patterns, wherein the primary and secondary upper patterns have portions which cross the primary and secondary lower patterns on the plane, and a method of manufacturing the same.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: January 12, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Seuck Yoo, Young Ghyu Ahn, Yong Suk Kim, Sang Moon Lee, Jeong Bok Kwak, Kang Heon Hur, Sung Kwon Wi
  • Patent number: 9236177
    Abstract: A common mode filter is disclosed. The common mode filter in accordance with an embodiment of the present invention includes: a magnetic substrate; a coil pattern formed on the magnetic substrate; a dielectric layer formed on the magnetic substrate so as to cover an upper part, a lower part and a side surface of the coil pattern; and a first coupling agent interposed between the magnetic substrate and the dielectric layer so as to prevent the magnetic substrate and the dielectric layer from being separated.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: January 12, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju-Hwan Yang, Won-Chul Sim, Chang-Bae Lee, Jin-Ho Hong, Keun-Yong Lee, Sa-Yong Lee, Young-Do Kweon
  • Patent number: 9218903
    Abstract: A reconfigurable multi-stack inductor formed within a semiconductor structure may include a first inductor structure located within a first metal layer of the semiconductor structure, a first ground shielding structure located within the first metal layer that is electrically isolated from and circumferentially bounds the first inductor structure, and a second inductor structure located within a second metal layer of the semiconductor structure, whereby the second inductor structure is electrically coupled to the first inductor structure.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: December 22, 2015
    Assignee: International Business Machines Corporation
    Inventors: Pinping Sun, Chengwen Pei, Zheng Xu
  • Patent number: 9214265
    Abstract: A single- or multi-phase dry-type transformer includes at least two coils. A barrier between phases made of an electrically insulating material is arranged in the intermediate space between the individual coils.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: December 15, 2015
    Assignee: ABB TECHNOLOGY AG
    Inventors: Benjamin Weber, Bhavesh Patel, Burak Esenlik, Frank Cornelius, Marcos Bockholt, Jens Tepper, Rafael Murillo, Carlos Roy
  • Patent number: 9214270
    Abstract: An electronic component includes a first conductor layer including a first conductor pattern P1, a first insulating layer covering the first conductor layer, a first opening h1 passing through the first insulting layer to expose top and side surfaces of the first conductor pattern P1 therethrough, and a second conductor layer formed on the first insulating layer and including a second conductor pattern P2 connected to the first conductor pattern P1 through the first opening h1. A first opening region which is a planar region inside the first opening h1 includes a first region in which the first conductor pattern P1 is formed and a second region in which the first conductor pattern P1 is not formed. The second conductor pattern P2 is embedded in both the first and second regions of the first opening h1.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: December 15, 2015
    Assignee: TDK CORPORATION
    Inventors: Fumio Watanabe, Naozumi Ishikawa, Hiroshi Kamiyama
  • Patent number: 9208935
    Abstract: An electronic component including a substrate, an insulating unit provided on the substrate, and a conductor coil provided within the insulating unit, wherein a distance from the outermost portion of the conductor coil in one axial direction to the outermost portion of the substrate in one axial direction is greater than 0.0125 times a length of the substrate in one axial direction, thus having enhanced reliability.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chan Yoon, Won Chul Sim, Young Seuck Yoo, Sung Kwon Wi
  • Patent number: 9208937
    Abstract: A choke includes a single-piece core entirely made of a same material, the single-piece core having two boards and a pillar located between the two boards, a winding space being located among the two boards and the pillar, wherein the pillar has a non-circular and non-rectangular cross section along a direction substantially perpendicular to an axial direction of the pillar, the cross section of the pillar has a first axis and a second axis intersecting with each other at a center of the cross section of the pillar and are substantially perpendicular with each other, the first axis is longer than the second axis, and the cross section of the pillar is substantially symmetrical to both of the first axis and the second axis.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: December 8, 2015
    Assignee: CYNTEC CO., LTD.
    Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo
  • Patent number: 9190203
    Abstract: Provided are a transformer cooling apparatus and a transformer assembly including the same. The transformer cooling apparatus includes a first plate on which a transformer including a magnetic member and a coil is seated, a second plate disposed on a side of the first plate, the second plate being spaced apart from the first plate, and a coolant passage in which a coolant flows, the coolant passage being defined between the first plate and the second plate.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: November 17, 2015
    Assignee: LSIS Co., Ltd.
    Inventors: Jun Seok Eom, Jae Ho Lee
  • Patent number: 9183982
    Abstract: The present invention provides a fault current limiter which can reduce an abnormal current, such as a fault current, in a power system through the magnetic turn-off which increases the reactance of an electric circuit by changing the magnetic circuit. The fault current limiter for limiting a current supplied through a power supply path, according to the present invention, includes: an iron core having three legs of which the upper and lower portions are connected to each other; a primary winding wound around each of the three legs of the iron core and having both ends connected to the power supply path; and a secondary winding wound around each of the three legs of the iron core and having both ends connected to each other through a first switching device.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 10, 2015
    Inventor: Young-hyun Moon
  • Patent number: 9183978
    Abstract: The present invention discloses a filter for removing noise, which includes: a lower magnetic body; primary and secondary patterns spirally provided on the lower magnetic body in parallel to each other; an insulating layer for covering the primary and secondary patterns; and an upper magnetic body provided on the insulating layer, wherein the primary and secondary patterns are formed to have a ratio of vertical thickness (T) to horizontal width (W) of 0.27?T/W?2.4. According to the present invention, it is possible to improve performance and capacity by implementing high common-mode impedance in the same frequency and reduce manufacturing costs by simplifying structures and processes.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ghyu Ahn, Sung Kwon Wi, Dong Seok Park, Yong Suk Kim, Ill Kyoo Park, Young Seuck Yoo, Sang Soo Park
  • Patent number: 9177712
    Abstract: A transformer includes a first planar coil having two input ends, with a distance being between the two input ends; and a second planar coil, having two output ends. The two input ends correspond to two points on relative positions of the second planar coil, and a coil path distance of the two points on the second planar coil is equal to the distance.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 3, 2015
    Assignee: MStar Semiconductor, Inc.
    Inventor: Min-Chiao Chen
  • Patent number: 9153547
    Abstract: An inductor structure comprised of a magnetic section and a single turn solenoid. The single turn solenoid to contain within a portion of the magnetic section and circumscribed by the magnetic section.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: October 6, 2015
    Assignee: Intel Corporation
    Inventors: Ankur Mohan Crawford, Henning Braunisch, Rajendran Nair, Gilroy Vandentop, Shan X. Wang
  • Patent number: 9142347
    Abstract: Semiconductor packages with air core inductors (ACIs) having metal-density layer units of fractal geometry are described. In an example, an inductor structure includes a stack of metal loops. One or more input terminals is coupled to the stack of metal loops. One or more output terminals is coupled to the stack of metal loops. One or more metal-density layer units is disposed above and over the stack of metal loops. At least one of the metal-density layer units has a fractal geometry.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: September 22, 2015
    Assignee: Intel Corporation
    Inventor: Miguel Camarena Sainz
  • Patent number: 9142346
    Abstract: A transformer includes a pair of first coils and at least one second coil. The first and second coils are stacked so that the at least one second coil is interposed between the first coils in a common winding axial direction of the first and second coils. Each of the first coils is covered by insulating films and integrated with the insulating films into an integrated body, so that the first coils are electrically insulated from the at least one second coil.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: September 22, 2015
    Assignee: DENSO CORPORATION
    Inventors: Hideki Itou, Yuji Hayashi, Masamichi Ishikawa
  • Patent number: 9129741
    Abstract: Embodiments of the invention relate to a method and system for transferring power wirelessly to electronic devices. The system can utilize magnetic coupling between two coils at close proximity to transfer sufficient power to charge an electronic device. Embodiments of the invention pertain to an array of spiral coils that can be used to transmit power for transfer to receiver coils. Potential applications of this technology include charging consumer electronic devices (cell phones, laptops, PDAs, etc), developing hermetically sealed devices for extreme environments, and less invasive transcutaneous energy transfer (TET) systems. Various embodiments of the subject system can be referred to as PowerPad system. Embodiments can incorporate one or more of the following: planar inductors, PCB transformers, and very high frequency power supplies.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: September 8, 2015
    Assignee: Qualcomm Incorporated
    Inventor: Ryan Tseng
  • Patent number: 9117580
    Abstract: A choke includes a single-piece core made of a same material, the single-piece core having a first board, a second board, and a pillar located between the first and second boards, a winding space located among the first board, the second board and the pillar, wherein the pillar has a non-circular and non-rectangular cross section having a first axis and a second axis substantially perpendicularly intersecting with each other at a center of the cross section of the pillar, and wherein a circumference of the cross section of the pillar includes two arc edges, four first substantially straight edges substantially parallel to the first axis, and two second substantially straight edges substantially parallel to the second axis, each of the first substantially straight edges being a joint of and in direct contact with one of the arc edges and one of the second substantially straight edges.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: August 25, 2015
    Assignee: CYNTEC CO., LTD.
    Inventors: Tsung-Chan Wu, Roger Hsieh, Yi-Min Huang, Lan-Chin Hsieh, Yu-Ching Kuo, Chia-Hui Lai
  • Patent number: 9111675
    Abstract: An inductor implemented in an integrated circuit is described. The inductor comprises a plurality of loops of the inductor in at least a first metal layer and a second metal layer of a plurality of metal layers; and a plurality of vias connecting ends of loops of the plurality of loops in different metal layers; wherein each loop of the first metal layer which is connected to a corresponding loop of the second metal layer overlies the corresponding loop of the second metal layer. A method of implementing an inductor in an integrated circuit is also described.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: August 18, 2015
    Assignee: XILINX, INC.
    Inventor: Vassili Kireev
  • Patent number: 9111933
    Abstract: A distributed active transformer is provided comprising a primary and a secondary winding. The primary winding comprises a first set of conductive vias extending in a direction between a first surface and a second surface of an element, a first set of first electrically conductive lines extending along the first surface, and a first set of second electrically conductive lines extending along the second surface. The secondary winding comprises a second set of conductive vias extending in a direction between the first surface and the second surface, a second set of first electrically conductive lines extending along the first surface, and a second set of second electrically conductive lines extending along the second surface. When energized, the primary winding generates magnetic flux extending in a direction parallel to the first surface and the second surface. The secondary winding receives energy transferred by the magnetic flux generated by the primary winding.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: August 18, 2015
    Assignee: International Business Machines Corporation
    Inventors: Gary D. Carpenter, Alan J. Drake, Rachel Gordin, Michael J. Shapiro, Edmund J. Sprogis