Patents Examined by Michael P McFadden
  • Patent number: 11594372
    Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers which are stacked and internal electrode layers which are stacked, and external electrodes, each connected to the internal electrode layers. The external electrodes each include a conductive resin layer and a plated layer on the conductive resin layer. The conductive resin layer includes a resin portion, conductive fillers dispersed in the resin portion, and metal particles dispersed unevenly in a distribution differing from that of the conductive fillers in the conductive resin layer. An abundance ratio of the metal particles to the resin portion is higher on a side of the plated layer of the conductive resin layer than on a side of the conductive resin layer close to the multilayer body.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: February 28, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yoshiyuki Nomura
  • Patent number: 11594376
    Abstract: An electronic component and a board having the same mounted thereon are provided. The electronic component includes an electronic component including a capacitor array in which a plurality of multilayer capacitors including a capacitor body and a pair of external electrodes, respectively disposed on both end portions of the capacitor body in a first direction, are stacked in a second direction, perpendicular to the first direction, and a length of a multilayer capacitor, disposed on a lower end in the second direction, in the first direction is less than a length of another multilayer capacitor in the first direction; and a pair of metal frames, respectively disposed to be connected to the pair of external electrodes of the multilayer capacitor disposed on the lower end.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Beom Joon Cho, Won Young Jang, Hyeok Jin Park
  • Patent number: 11587711
    Abstract: An electronic component includes a body having a side surface, coil conductor layers wound along main surfaces parallel to the side surface, and capacitor conductor layers each having a substantially plate-like shape parallel to the side surface. The coil conductor layers and the capacitor conductor layers are arranged in a widthwise direction perpendicular to the side surface. The capacitor conductor layers include first and second capacitor conductor layers adjacent to each other in the widthwise direction. The coil conductor layers include a first coil conductor layer that is in the same layer as the first capacitor conductor layer and a second coil conductor layer that is in the same layer as the second capacitor conductor layer. The shortest distance between the first coil conductor layer and the first capacitor conductor layer is larger than the shortest distance between the second coil conductor layer and the second capacitor conductor layer.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: February 21, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Shimpei Tanabe, Rikiya Sano, Hiromi Miyoshi
  • Patent number: 11587737
    Abstract: A multilayer ceramic capacitor includes a ceramic main including first internal electrodes each drawn out to and reaching a pair of end surfaces and second internal electrodes each drawn out to and reaching a pair of side surfaces. A pair of end-surface external electrodes are respectively provided on the pair of end surfaces to be connected to the first internal electrodes, and a pair of side-surface external electrodes are respectively provided on the pair of side surfaces to be connected to the second internal electrodes. Each of the second internal electrodes has drawn-out parts that extend from an electrode main part and reach the pair of side surfaces, and with respect to each of the pair of side surfaces, two or more of the drawn-out parts are provided to extend from the electrode main part and reach the side surface.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: February 21, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takashi Sasaki, Tomohiko Zaima
  • Patent number: 11581147
    Abstract: An electronic component includes: an ESD discharge member including a substrate having first and second surfaces opposing each other, first and second through-holes penetrating through the substrate, and first and second conductors; and a multilayer capacitor disposed on the first surface of the substrate, in which the multilayer capacitor may include: a capacitor body; and first and second external electrodes disposed outside the capacitor body and connected to the first and second conductors, respectively, and the first and second conductors may include first and second via electrodes coated on inner walls of the first and second through-holes, respectively.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Heung Kil Park, Gu Won Ji, Sang Soo Park
  • Patent number: 11574774
    Abstract: A multilayer electronic component includes a body including a plurality of dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connected to the first surface and the second surface and opposing each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other, a plurality of internal electrodes disposed inside of the body, exposed to the first surface and the second surface, and having one ends exposed to the third or fourth surfaces, side margin portions disposed on the first surface and the second surface, and external electrodes disposed on the third surface and the fourth surface. The side margin portions and the plurality of dielectric layers include a metal, and a total amount of the metal included in the side margin portions is greater than that of the plurality of dielectric layers.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Tae Han, Sun Ho Yoon, Jeong Ryeol Kim, Myung Hwa You, Young Joon Oh, Seul A Park
  • Patent number: 11569038
    Abstract: A multilayer ceramic electronic component includes first and second multilayer ceramic electronic component bodies facing each other in a length direction that connects first and second end surfaces. A first metal terminal is connected to a first outer electrode. A second metal terminal is connected to a fourth outer electrode. An outer casing covers the first and second multilayer ceramic electronic component bodies, and at least a portion of each of the first and second metal terminals. A third metal terminal is exposed from the outer casing.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 31, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Satoshi Miyauchi
  • Patent number: 11569042
    Abstract: A capacitor and a method for manufacturing the capacitor are provided. The capacitor comprises (1) a capacitor main body including an outer package case, an opening sealing member attached to an inside of an open portion of the outer package case and a terminal lead penetrating through the opening sealing member; (2) a base attached to an outside of the open portion of the outer package case, the base including an insertion through hole through which the terminal lead passes to be disposed on an outer side of the base; and (3) a resin layer between the base and the opening sealing member.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: January 31, 2023
    Assignee: NIPPON CHEMI-CON CORPORATION
    Inventors: Ryuuta Inoue, Yu Miura, Kouichi Nakata
  • Patent number: 11562859
    Abstract: A multilayered capacitor includes a shock absorbing layer disposed between an upper layer of a capacitor body and a conductive resin layer of an external electrode and between a lower layer of the capacitor body and the conductive resin layer of the external electrode. A length of the shock absorbing layer is longer than that of the conductive resin layer, thereby improving warpage strength characteristics of the capacitor body.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Seok Yi, Jung Min Kim, Chang Hak Choi, Bon Seok Koo, Byung Woo Kang, Hae Sol Kang, San Kyeong, Jun Hyeon Kim
  • Patent number: 11557436
    Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrode layers, first and second external electrodes provided on respective opposing end surfaces, and third and fourth external electrodes provided on any side surface. The internal electrode layers include first and second internal electrode layers connected to the first and second external electrodes, respectively, and third and fourth internal electrode layers connected to the third and fourth external electrodes, respectively. The third internal electrode layer is provided at a distance from the first internal electrode layer, and the fourth internal electrode layer is provided at a distance from the second internal electrode layer.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: January 17, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yuta Fukutomi, Tomohiro Kageyama, Tatsuya Suzuki
  • Patent number: 11557432
    Abstract: A ceramic electronic device includes: a multilayer chip having a structure in which each of dielectric layers and each of internal electrode layers are alternately stacked; and external electrodes provided on end faces of the multilayer chip, wherein a main component of the external electrodes is a first metal, wherein the internal electrode layers include the first metal and a second metal of which a melting point is higher than that of the first metal, wherein a diffusion coefficient of the first metal with respect to the second metal is larger than that of the second metal with respect to the first metal, wherein a number of a cavity in a range of 10 numbers of the internal electrode layers that are next to each other and are connected to a same external electrode of the first external electrode and the second external electrode is 1 or less.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: January 17, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takehiro Tanaka, Kotaro Mizuno, Yusuke Kowase
  • Patent number: 11538635
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers, an active region and upper and lower cover regions; first and second internal electrodes disposed with the dielectric layer interposed therebetween in the active region to be alternately exposed through both end surfaces of the body; and first and second external electrodes disposed on both ends of the body and connected to the first and second internal electrodes, respectively. The body further includes a buffer layer including first and second dummy electrodes disposed on a lower surface of the lower cover region to be spaced apart from each other in a length direction of the body, and a groove is recessed in a lower surface of the buffer layer.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyo Joong Kim, Dong Su Cho
  • Patent number: 11532437
    Abstract: A multilayer device and a method for producing a multilayer device are disclosed. In an embodiment a multilayer device includes a main body having at least two external electrodes, at least one first internal electrode; at least one second internal electrode, wherein each internal electrode is electrically conductively connected to an external electrode, a plurality of ceramic layers, wherein the ceramic layers comprise the internal electrodes and at least one dielectric layer, wherein, viewed along a stack direction of the ceramic layers, the dielectric layer being arranged between the internal electrodes, and wherein the dielectric layer is printed onto at least one sub-region of one of the ceramic layers.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: December 20, 2022
    Assignee: TDK ELECTRONICS AG
    Inventor: Thomas Puerstinger
  • Patent number: 11532438
    Abstract: A multilayer electronic component includes a multilayer body including dielectric layers and inner electrode layers. Each of the dielectric layers includes first crystal grains defining and functioning as plate-shaped objects that have an average thickness of less than or equal to about 300 nm and an average aspect ratio of more than or equal to about 5, each of the inner electrode layers includes second crystal grains defining and functioning as plate-shaped objects that have an average thickness of less than or equal to about 150 nm and an average aspect ratio of more than or equal to about 5, where an aspect ratio is represented by a ratio of a major axis of each plate-shaped object to a thickness of the plate-shaped object with the major axis of the plate-shaped object being orthogonal or substantially orthogonal to a thickness direction of the plate-shaped object.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: December 20, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takehisa Sasabayashi, Kiyoshiro Ishibe, Kenji Ueno, Ai Fukumori, Akihiro Tsuru, Daisuke Hamada
  • Patent number: 11532994
    Abstract: Electrical energy storage device (1), including at least one electrical component (2) and a busbar (5) for electrical power distribution, where the electrical component (2) is arranged on the busbar (5), and at least a first contact side (11) and/or a second contact side (12) of the electrical component (2) is connected to the busbar (5) by a contact element (8), and wherein the contact element (8) is formed at least partially as a mesh (7). The electrical component (2) is preferably a capacitor.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: December 20, 2022
    Assignee: ROGERS BV
    Inventor: Jan Daneels
  • Patent number: 11533012
    Abstract: An integrated power control assembly mounted on an axial end of a three-phase motor includes a substrate, two input busbars each of positive and negative polarities alternatively spaced apart on the substrate, a plurality of sets of paired devices, and three output busbars corresponding to the three phases of the motor, wherein a set of paired devices includes a switching semiconductor and a diode. An inner input busbar has edges adjacent to an inner input busbar of opposite polarity and an outer input busbar of opposite polarity and configured to have at least twice as many devices as the outer input busbars. One or more sets of paired devices are disposed axially on outer input busbars and on inner input busbars along the edges. An individual output busbar is disposed over and electrically coupled to one or more sets of paired devices disposed on adjacent input busbars of opposite polarity.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: December 20, 2022
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Shohei Suenaga, Shailesh N. Joshi, Danny J. Lohan, Yanghe Liu
  • Patent number: 11527359
    Abstract: A multilayer ceramic electronic component includes a ceramic body having a capacitance forming portion in which first and second internal electrodes are alternately laminated with respective dielectric layers interposed therebetween, and first and second external electrodes respectively disposed on surfaces of the ceramic body. The first and second internal electrodes are respectively exposed to surfaces of the ceramic body, and first and second protrusions, each including a carbon compound, are respectively disposed on end portions of the first and second internal electrodes exposed to the surfaces of the ceramic body.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Duk Yun, Young Hoon Song, Dong Hwi Shin, Seon Young Yoo, Yu Seop Lee
  • Patent number: 11524923
    Abstract: Provided is a dielectric ceramic composition including a first component and a second component, wherein the first component comprises an oxide of Ca of 0.00 mol % to 35.85 mol % an oxide of Sr of 0.00 mol % to 47.12 mol %, an oxide of Ba of 0.00 mol % to 51.22 mol %, an oxide of Ti of 0.00 mol % to 17.36 mol %, an oxide of Zr of 0.00 mol % to 17.36 mol %, an oxide of Sn of 0.00 mol % to 2.60 mol %, an oxide of Nb of 0.00 mol % to 35.32 mol %, an oxide of Ta of 0.00 mol % to 35.32 mol %, and an oxide of V of 0.00 mol % to 2.65 mol %, and the second component includes at least (a) an oxide of Mn of 0.005% by mass to 3.500% by mass and (b) an oxide of Cu and/or an oxide of Ru.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: December 13, 2022
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Takeshi Nomura, Yukari Sasaki
  • Patent number: 11515091
    Abstract: A multilayer capacitor includes a capacitor body in which a first capacitor portion and a second capacitor portion are disposed to face each other with a connection region disposed therebetween, the connection portion having a predetermined thickness in which an internal electrode is not formed. The first capacitor portion comprises first and second internal electrodes that are alternately disposed with a dielectric layer interposed therebetween, and the second capacitor portion comprises third and fourth internal electrodes that are alternately disposed with a dielectric layer interposed therebetween. First and second external electrodes connected to the internal electrodes respectively comprise first and second internal layers containing copper (Cu), and first and second external layers containing silver (Ag) or nickel (Ni), and palladium (Pd).
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong In Kim, Min Jun Kim, Byung Kil Seo, Mi Ok Park
  • Patent number: 11508533
    Abstract: A capacitor includes a first metal layer disposed on a wafer or substrate, a first polarized dielectric layer above the first metal layer and comprising a plurality of electrets formed by aligning molecular dipoles throughout a three-dimensional surface area of a polarizable dielectric material during polarization by applying a momentary electric field of positive or negative polarity, a second metal layer disposed on the first polarized dielectric layer to electrically isolate the first polarized dielectric layer, and a second polarized dielectric layer above the second metal layer, the second polarized dielectric layer comprising a plurality of electrets formed by aligning molecular dipoles throughout a three-dimensional surface area of a polarizable dielectric material during polarization by applying a second momentary electric field of opposing polarity.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: November 22, 2022
    Assignee: FLASH POWER CAPACITORS, LLC
    Inventor: Edward L. Davis