Patents Examined by David M Sinclair
  • Patent number: 11417465
    Abstract: A multilayer capacitor includes an element body, an external electrode, and a plurality of internal electrodes, and a relationship of R1<T is satisfied in a first cross section extending in a direction in which the pair of end surfaces face each other, extending in a lamination direction of the plurality of internal electrodes, and including an electrode portions and a connecting portions when a radius of curvature of an edge line surface is R1 and a thickness between the side surface and the internal electrode at a position at which the side surface and the internal electrode are closest to each other in the lamination direction is T.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: August 16, 2022
    Assignee: TDK CORPORATION
    Inventors: Daisuke Yoshida, Yuki Takahashi, Hikaru Hirabayashi, Takuto Okamoto, Masato Kimura
  • Patent number: 11410816
    Abstract: A multilayer ceramic electronic component includes a multilayer ceramic electronic component body and a pair of metal terminals. The multilayer ceramic electronic component body includes a multilayer body including laminated ceramic layers and inner electrode layers and first and second outer electrodes provided on both end surfaces of the multilayer body. The metal terminals are connected to the outer electrodes. The inner electrode layers are perpendicular or substantially perpendicular to a mounting surface and include extended portions that extend to the end surfaces and portions of the first and second side surfaces. The distance between ends of the first and second outer electrodes on one of the first and second side surfaces is in a range from about 1.8% to about 31.3% of a length dimension of the multilayer ceramic electronic component in a direction connecting both end surfaces of the multilayer ceramic electronic component body.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 9, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Masakazu Itamochi
  • Patent number: 11404222
    Abstract: Disclosed herein is a complex generator including a hydrophilic fiber membrane coated with an adsorption material. Electrical energy is generated in such a manner that the adsorption material is adsorbed onto a polar solvent in some region of the hydrophilic fiber membrane by asymmetrical wetting of the polar solvent for the hydrophilic fiber membrane.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: August 2, 2022
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Il-Doo Kim, Tae-Gwang Yun, Jin Gook Bae
  • Patent number: 11404221
    Abstract: An electrolytic capacitor module includes at least two types of electrolytic capacitors (4-1, 4-2) having etching pits in electrode foils. The at least two types of electrolytic capacitors (4-1, 4-2) are different in length of the etching pits and are connected in parallel. The number of electrolytic capacitors to be mounted is the same or different. The electrolytic capacitors (4-1, 4-2) are each an electrolytic capacitor with an etching pit length of 27 [?m] or less or an electrolytic capacitor with an etching pit length over 27 [?m]. Such a configuration enhances performance of the electrolytic capacitors in a high-frequency region, keeps a rate of decrease in capacitance low in the high-frequency region, and enhances a ripple current capability in the high-frequency region.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: August 2, 2022
    Assignee: NIPPON CHEMI-CON CORPORATION
    Inventor: Atsushi Yoshida
  • Patent number: 11393629
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric and an internal electrode, an electrode layer electrically connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a graphene platelet, and a base resin.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Kuen Oh, Tae Gyeom Lee, Hang Kyu Cho, Hye Hun Park, Han Seong Jung
  • Patent number: 11393630
    Abstract: A multilayer electronic component has a body and a non-conductive resin layer. The non-conductive resin layer includes a body cover portion disposed in a region of an external surface of the body in which an electrode layer of an external electrode is not disposed, and an extending portion extending from the body cover portion between the electrode layer and a conductive resin layer of the external electrode, to thereby suppress arc discharge, improve bending strength, and improve moisture resistance.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Seok Yi, Jung Min Kim, Bon Seok Koo, Chang Hak Choi, Il Ro Lee, Byung Woo Kang, San Kyeong, Hae Sol Kang
  • Patent number: 11387047
    Abstract: A capacitor assembly that is capable of exhibiting good electrical properties even under a variety of conditions is provided. More particularly, the capacitor contains a capacitor element that includes a porous anode body that contains a valve metal compound, a dielectric that overlies the anode body and includes an oxide of the valve metal compound, a solid electrolyte that overlies the dielectric, wherein the solid electrolyte includes at least one conductive polymer layer that contains a sulfonyl ion, and an organofunctional silane that is bonded to the oxide of the dielectric and is capable of bonding to the sulfonyl ion of the conductive polymer layer.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 12, 2022
    Assignee: KYOCERA AVX Components Corporation
    Inventors: Jan Petrzilek, Miloslav Uher, Tomas Hofirek
  • Patent number: 11380488
    Abstract: A multilayer electronic component includes a silicon (Si) organic compound layer having a body cover portion disposed in a region in which an electrode layer and a conductive resin layer are not disposed, of external surfaces of a body, and an extending portion disposed to extend from the body cover portion between a conductive resin layer and a plating layer of an external electrode, and thus, may improve bending strength and moisture resistance reliability.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Yeong Kim, Woo Chul Shin, Ji Hong Jo
  • Patent number: 11373806
    Abstract: A film capacitor that includes a dielectric resin film and a metal layer on one surface of the dielectric resin film. The dielectric resin film has a crosslink density at 225° C. of 2700 mol/m3 or more, or the dielectric resin film has a storage elastic modulus at 125° C. of 1.1 GPa or more.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: June 28, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tomomichi Ichikawa, Tomoki Inakura, Shinichi Kobayashi
  • Patent number: 11348730
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes; and first and second side margin portions disposed on end portions of the internal electrodes exposed to the first and second surfaces, wherein each of the first and second side margin portions is divided into a first region adjacent to an outer side surface of the side margin portion and a second region adjacent to the internal electrodes exposed to the first and second surfaces, and a content of magnesium (Mg) contained in the second region is higher than a content of magnesium (Mg) contained in the first region.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 31, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Ji Hong Jo, Ki Pyo Hong
  • Patent number: 11342121
    Abstract: The multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and first and second internal electrodes disposed inside the ceramic body, and disposed to oppose each other with the dielectric layer interposed therebetween. When an average thickness of the dielectric layer is referred to as td and a standard deviation of a thickness of the dielectric layer in each position is referred to as ?td, while an average thickness of the first and second internal electrodes is referred to as to and a standard deviation of a thickness of a pre-determined region of any layer of the internal electrodes in each position is referred to as ?te, a ratio (?te/?td) of the standard deviation of the internal electrodes in each position to the standard deviation of the thickness of the dielectric layer in each position satisfies 1.10??te/?td?1.35.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Sung Kim, Hyeong Sik Yun, Woo Chul Shin, Joon Woon Lee
  • Patent number: 11342129
    Abstract: A solid electrolytic capacitor is provided that contains a casing material that encapsulates the capacitor element. The casing material is formed from a curable resinous matrix that has a coefficient of thermal expansion of about 42 ppm/° C. or less at a temperature above the glass transition temperature of the resinous matrix. Further, the capacitor exhibits an initial equivalence series resistance of about 200 mohms or less as determined at an operating frequency of 100 kHz and temperature of 23° C., and the ratio of the equivalence series resistance of the capacitor after being exposed to a temperature of 125° C. for 560 hours to the initial equivalence series resistance of the capacitor is about 2.0 or less.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: May 24, 2022
    Assignee: KYOCERA AVX Components Corporation
    Inventors: Jiri Navratil, Frantisek Priban, Lotfi Djebara
  • Patent number: 11342117
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes; and first and second side margin portions disposed on end portions of the internal electrodes exposed to the first and second surfaces, wherein each of the first and second side margin portions is divided into a first region adjacent to an outer side surface of the side margin portion and a second region adjacent to the internal electrodes exposed to the first and second surfaces, and a content of magnesium (Mg) contained in the second region is higher than a content of magnesium (Mg) contained in the first region.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Yong Park, Ji Hong Jo, Ki Pyo Hong
  • Patent number: 11342119
    Abstract: A multilayer capacitor and a method of manufacturing includes a conductive resin layer of an external electrode disposed on a first electrode layer. The conductive resin layer includes a conductive connecting part and an intermetallic compound contacting the first electrode layer and the conductive connecting part. The conductive connecting part contacts a plurality of metal particles and a second electrode layer, such that the 7 equivalent series resistance (ESR) of the multilayer capacitor is decreased and warpage strength of the multilayer capacitor is improved.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Min Kim, Bon Seok Koo, Jung Wook Seo, Yoon Hee Lee, Kun Hoi Koo
  • Patent number: 11335503
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces to each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes disposed in the ceramic body, each exposed to the first and second surfaces and having one ends exposed to the third or fourth surface; and a first side margin portion and a second side margin portion disposed, respectively, on the first and second surfaces of the ceramic body, wherein a metal or a metal oxide is disposed in each of the first and second side margin portions, and a ratio of a diameter of the metal or the metal oxide to a thickness of the dielectric layer is 0.8 or less.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Ji Hong Jo, Ki Pyo Hong
  • Patent number: 11322303
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of first and second internal electrodes alternately exposed to opposing surfaces of the body in a length direction with respective dielectric layers interposed therebetween, and first and second external electrodes disposed at opposing ends of the body in the length direction and connected to the first and second internal electrodes, respectively. The plurality of first and second internal electrodes include nickel (Ni) and antimony (Sb) or germanium (Ge).
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Jin Kim, Chang Hak Choi, Byung Chui Jang, Jin Kyung Park
  • Patent number: 11315743
    Abstract: An electrochemical device includes: an electricity storage device that includes positive and negative electrodes stacked via a separator and wound, and lead plates electrically connected to the positive or negative electrode; a connection plate having a first surface on an electricity storage device side and a second surface opposite to the first surface, the lead plates being stacked and welded to the first surface; and a rupture disc connected to the second surface, the lead plates being welded to the connection plate at first and second welding portions on the first surface separated from each other, a lead plate on a connection plate side being welded to the connection plate at the first and second welding portions, a lead plate on a side opposite to the connection plate being welded to the connection plate at the first welding portion and unwelded to the connection plate at the second welding portion.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: April 26, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Katsunori Yokoshima, Hiroto Mori
  • Patent number: 11309136
    Abstract: The purpose of the present invention is to provide an electrolyte solution for an electrolytic capacitor which has high withstand voltage. The electrolyte solution for an electrolytic capacitor that is used contains: an organic solvent; an acrylic polymer which has hydroxy group and/or carboxy group; and an electrolyte. A concentration of hydroxy groups included in the organic solvent is 10 mmol/g or less with respect to the weight of the organic solvent.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: April 19, 2022
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumiyuki Tanabe, Takahiro Shiba, Yoshihiko Akazawa, Takao Mukai
  • Patent number: 11302476
    Abstract: A capacitor component includes a body having a stacked portion in which first internal electrodes and second internal electrodes are alternately stacked with each other and with dielectric layers therebetween in a first direction, and having first and second connection portions disposed on opposite surfaces of the stacked portion, respectively, in a second direction perpendicular to the first direction. First and second external electrodes are disposed on the first and second connection portions, respectively. The first and second connection portions each include a metal layer disposed on the stacked portion and a ceramic layer disposed on the metal layer. Corners of the body have a rounded shape in a cross-section of the body extending in the first and second directions.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: April 12, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Ki Pyo Hong, Jung Tae Park, Jong Hwa Lee
  • Patent number: 11295900
    Abstract: An electrolytic capacitor that includes a resin molded body having opposed first and second end surfaces, the body including a stack that includes a capacitor element with an anode exposed at the first end surface, a dielectric layer on a surface of the anode, and a cathode opposite to the anode and exposed at the second end surface, and a sealing resin that encloses the stack; a first external electrode on the first end surface of the resin molded body and electrically connected to the anode; and a second external electrode on a second end surface of the resin molded body and electrically connected to the cathode, wherein the first external electrode and the second external electrode each include a resin electrode layer containing a conductive component and a resin component.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 5, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yasuhiro Tamatani, Kazuya Kusuda, Kazutoyo Horio, Takeshi Furukawa