Patents Examined by Nguyen T. Ha
  • Patent number: 10770232
    Abstract: A multilayer electronic component for enhancing damp proof reliability includes: a capacitor body including a plurality of dielectric layers, and first and second internal electrodes, alternately disposed across the dielectric layers to expose one end of the first and second electrodes through third and fourth surfaces of the capacitor body; first and second conductive layers disposed on the third and fourth surfaces of the capacitor body and connected to the first and second internal electrodes, respectively; first and second plating layers covering surfaces of the first and second conductive layers; and a plurality of coating layers configured in a multilayer structure on a surface of the capacitor body to expose the first and second plating layers and having an entire thickness of 10 nm to 200 nm.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Hun Han, Sung Min Cho, Dong Joon Oh
  • Patent number: 10679790
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer and having first and second surfaces opposing each other in a width direction, third and fourth surfaces connecting the first and second surfaces in a length direction, and fifth and sixth surfaces opposing each other in a thickness direction, internal electrodes disposed inside the ceramic body, exposed through the first and second surfaces, and having one end portion exposed through the third or fourth surface, and first and second side margin portions disposed on edges of the internal electrodes, exposed through the first and second surfaces. In a cross-section cut along a width-thickness plane of the ceramic body, an area of an oxide region disposed on the edges of the internal electrodes is less than 10% of an overall area of the internal electrodes exposed through the first and second surfaces.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: June 9, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Jang Yeol Lee, Ji Hong Jo
  • Patent number: 10672558
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein: a region in which a set of internal electrode layers exposed to the first edge face of the multilayer structure face with another set of internal electrode layers exposed to the second edge face of the multilayer structure is a capacity region; at least a part of the circumference region around the capacity region has a protective region of which an average grain diameter of a main component ceramic is larger than that of the capacity region and of which a concentration of a donor element in the main component ceramic is larger than that of the capacity region.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 2, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Koichiro Morita
  • Patent number: 10672559
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein 1.5?Db/Da?10.0 is satisfied in a side margin region that covers edge portions to which the plurality of internal electrode layers extend toward two side faces other than the first edge face and the second edge face, when Da is an average grain diameter of a main component ceramic within 20 ?m from an edge of the plurality of internal electrode layers in the side margin region and Db is an average grain diameter of a main component ceramic within 20 ?m from a surface layer of the side margin region.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: June 2, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Yasuyuki Inomata, Yasuhisa Kono, Mina Amano
  • Patent number: 10658112
    Abstract: A multilayer capacitor includes a capacitor body including first and second internal electrodes disposed alternately in a width direction; first and second external electrodes spaced apart from each other on a mounting surface; and a first insulating layer disposed between the first and second external electrodes, in which the first and second internal electrodes each include a body portion, a first lead portion extending from the body portion toward the mounting surface and electrically connected to the first and second external electrodes, and a second lead portion extending from the body portion toward a surface of the capacitor body opposing the mounting surface, and the first and second lead portions extend from each body portion in a diagonal direction relative to each other.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Heung Kil Park, Jong Hwan Park
  • Patent number: 10650965
    Abstract: A film capacitor includes a main body portion including a dielectric film and a metal film; and external electrodes, and the external electrodes are disposed at a pair of main body ends in a first direction of the main body portion, respectively. The metal film includes a first portion connected to one of the external electrodes which is disposed at one of the main body ends, a second portion disposed at the other main body end, and a third portion disposed between the first portion and the second portion in the first direction, and a film thickness of the third portion is smaller than a film thickness of the second portion.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: May 12, 2020
    Assignee: KYOCERA Corporation
    Inventor: Naoki Kikuchi
  • Patent number: 10650977
    Abstract: A method of manufacturing a ceramic electronic component includes forming a dielectric layer including a plurality of ceramic nanosheets on a first electrode, treating the dielectric layer with an acid, and forming a second electrode on the dielectric layer, a ceramic electronic component, and an electronic device.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: May 12, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Yoon Chul Son, Minoru Osada, Takayoshi Sasaki, Chan Kwak, Doh Won Jung, Youngjin Cho
  • Patent number: 10650967
    Abstract: An electrical storage capacitor provides a primary electrode is in electrical communication with a primary conducting layer having thickness in the range of 20 nm to 100 micron, a secondary electrode is in electrical communication with a secondary conducting layer having thickness in the range of 20 nm to 1 micron, a high energy density dielectric layer having relative dielectric permittivity greater than ?R?70 and thickness less than 1 micron that is formed between the primary electrode and the secondary electrode, wherein the high energy density dielectric has a dielectric polarization response that is determined solely by orbital deformations of the atomic species forming said high energy density dielectric.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: May 12, 2020
    Inventor: L. Pierre de Rochemont
  • Patent number: 10650966
    Abstract: A multilayer ceramic electronic component such as a multilayer ceramic capacitor capable of maintaining insulation properties even when a current is passed through the capacitor after an occurrence of a short-circuit due to, for example, a high voltage or a high current is provided. A multilayer ceramic electronic component including an element body 4 formed by laminating dielectric layers 10 and internal electrode layers 12 alternately. The internal electrode layers contains copper and/or silver as a main component. The dielectric voidage is lower than the internal electrode voidage.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 12, 2020
    Assignee: TDK CORPORATION
    Inventor: Toshihiro Iguchi
  • Patent number: 10650971
    Abstract: A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Byeong Chan Kwon, Ji Hyun Park, Do Heung Na, Jae Yeol Choi, Sung Hyun Cho
  • Patent number: 10650968
    Abstract: A multilayer ceramic capacitor includes dielectric layers and internal electrode layers provided on the dielectric layers. The dielectric layers each include a perovskite compound that includes Ca and Zr, and optionally Sr and Ti. Mn is disposed at an interface between one of the dielectric layers and one of the internal electrode layers, and a Mn/Zr molar ratio at the interface is not less than about 0.117.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: May 12, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takeshi Koga, Teppei Akiyoshi, Masayuki Ishihara, Katsuhiko Hara
  • Patent number: 10636572
    Abstract: Provided is a multilayer ceramic electronic device which is capable of preventing decrease of the specific permittivity and of showing less drop of capacitance, even when the dielectric grains constituting the dielectric layers become smaller for thinning of the dielectric layers, wherein Dg/Di?1 is satisfied, in case that “Di” is an average grain size of the first dielectric grains constituting the dielectric layer in the capacitance region and “Dg” is an average grain size of the second dielectric grains in an exterior area.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 28, 2020
    Assignee: TDK CORPORATION
    Inventors: Toshihiko Kaneko, Shogo Murosawa
  • Patent number: 10629374
    Abstract: A composite electronic component includes a composite body including: a multilayer ceramic capacitor including a first ceramic body including a plurality of dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween and stacked to be perpendicular to a lower surface of the first ceramic body, and a ceramic chip being coupled to the multilayer ceramic capacitor and disposed on a lower portion of the multilayer ceramic capacitor, the ceramic chip including a second ceramic body, first and second terminal electrodes disposed on upper and lower portions of the second ceramic body and connected to the first and second external electrodes, respectively.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soo Hwan Son, Young Ghyu Ahn, Man Su Byun
  • Patent number: 10629378
    Abstract: A multilayer capacitor includes: a first internal electrode layer including first and second internal electrodes spaced apart from each other with an insulating portion interposed therebetween; a second internal electrode layer including a third internal electrode; a body including the first and second internal electrode layers alternately disposed with respective dielectric layers interposed therebetween; first and second external electrodes disposed on the body to be electrically connected to the first and second internal electrodes, respectively; a connection electrode penetrating through the body to thereby be electrically connected to the third internal electrode; and a third external electrode disposed on the body to be electrically connected to the connection electrode.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Pil Lee, Jin Kyung Joo, Young Key Kim, Taek Jung Lee
  • Patent number: 10629373
    Abstract: A thin film capacitor includes a body including a dielectric layer, a first internal electrode layer and a second internal electrode layer, a melting point of a material included in the first internal electrode layer being lower than a melting point of a material included in the second internal electrode layer, and a first external electrode and a second external electrode disposed on an upper surface of the body, the second internal electrode layer being disposed on an upper surface of the first internal electrode layer and a lower surface of the first internal electrode layer opposing the upper surface of the first internal electrode layer.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Soo Yoon, Su Bong Jang, Sang Jong Lee, Seung Hee Hong
  • Patent number: 10622157
    Abstract: An improved multilayer ceramic capacitor is described. The multilayered ceramic capacitor comprises first internal electrodes and second internal electrodes. The first internal electrodes and said second internal electrodes are parallel with dielectric there between. A first external termination is in electrical connection with the first internal electrodes and a second external termination is in electrical contact with the second internal electrodes. A closed void layer, comprising at least one closed void, is between electrodes.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: April 14, 2020
    Assignee: KEMET Electronics Corporation
    Inventor: John Bultitude
  • Patent number: 10622153
    Abstract: A multilayer capacitor includes a body including an active region including a plurality of first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween and upper and lower cover regions, and having first and second surfaces opposing each other and third and fourth surfaces opposing each other, the first and second internal electrodes being exposed to the third and fourth surfaces, respectively, first and second external electrodes disposed on the third and fourth surfaces, respectively, and connected to the first and second internal electrodes, respectively, and a plurality of dummy electrodes disposed in the lower cover region. A total thickness of the dummy electrodes disposed in the lower cover region is less than 20% of a sum of a thickness of the lower cover region and a thickness of one of the first and second external electrodes disposed on a mounting surface of the body.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwi Dae Kim, Sang Soo Park, Young Ghyu Ahn
  • Patent number: 10622148
    Abstract: A multi-layer ceramic capacitor includes: a multi-layer unit including a capacitance forming unit including internal electrodes laminated in a first direction, a drawn portion extending from the capacitance forming unit in a second direction, and a cover that covers the capacitance forming unit and the drawn portion in the first direction, the multi-layer unit having a main surface facing in the first direction, an end surface facing in the second direction, and a side surface facing in a third direction; and a side margin provided to the side surface, the side surface including a first straight portion including an outer edge of the main surface and extending in the second direction, a second straight portion including an outer edge of the end surface and extending in the first direction, and a corner portion that connects the first and second straight portions with each other, the corner portion being curved.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: April 14, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Ryo Ono, Tetsuhiko Fukuoka, Shoji Kusumoto, Akihiko Kono
  • Patent number: 10622163
    Abstract: The present disclosure further provides an exemplary energy storage device fabricated from rectangular-tube polyaniline (PANI) that is chemically synthesized by a simple and convenient method. The rectangular-tube PANI, as an active material, is synthesized on a functionalized carbon cloth (FCC) as a substrate, and the obtained composite is immobilized on a stainless steel mesh as a current collector. The present disclosure additionally presents a facile technique for the direct synthesis of PANI nanotubes, with rectangular pores, on chemically activated CC.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: April 14, 2020
    Assignee: The Regents of the University of California
    Inventors: Richard B. Kaner, Maher F. El-Kady, Mir Fazlollah Mousavi, Masumeh Hashemi, Mohammad S. Rahmanifar
  • Patent number: 10614955
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other; a plurality of internal electrodes disposed in the ceramic body; and first and second side margin portions disposed on end portions of the internal electrodes exposed to the first and second surfaces, wherein the ceramic body includes an active portion, and cover portions disposed on upper and lower surfaces of the active portion, each of the first and second side margin portions is divided into a first region and a second region, each of the cover portions is divided into a first region and a second region, and contents of magnesium (Mg) contained in the second regions of the cover portions and the first and second side margin portions are larger than those of magnesium (Mg) contained in the first regions thereof, respectively.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: April 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Ji Hong Jo