Patents Examined by Michael P McFadden
  • Patent number: 12100555
    Abstract: A multilayer ceramic capacitor includes first dielectric ceramic layers each with a thickness of about 0.48 ?m or more and about 0.50 ?m or less in the lamination direction, and additional dielectric ceramic layers each with a thickness of about 10 ?m or more and about 15 ?m or less in the width direction. A number of dielectric particles in each first dielectric ceramic layer in a thickness direction is three or more and six or less. A number of dielectric particles in each additional dielectric ceramic layer in a thickness direction is 100 or more and 150 or less. When the number of dielectric particles in each of first dielectric ceramic layer is NT, and the number of dielectric particles in each additional dielectric ceramic layer is NW, a ratio of NT to NW is about 1:23.08 or more and about 1:46.15 or less.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: September 24, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yoshiyuki Abe, Kazuhisa Uchida
  • Patent number: 12094658
    Abstract: A dielectric composition includes dielectric particles and first segregations. The dielectric particles each include a perovskite compound represented by ABO3 as a main component. The first segregations each include at least Ba, V, and O. A molar ratio (Ba/Ti) of Ba to Ti detected in the first segregations is 1.20 or more.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: September 17, 2024
    Assignee: TDK CORPORATION
    Inventors: Toshihiro Iguchi, Yuichiro Sueda, Ryota Namiki
  • Patent number: 12087511
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer and including first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces. A plurality of internal electrodes is disposed inside the ceramic body, connected to the first and second surfaces, and have one ends connected to the third and fourth surfaces. First and second side margin parts are disposed on end portions of the internal electrodes connected to the first and second surfaces. The ceramic body includes an active portion forming capacitance by including the plurality of internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween. An average Sn content in a region adjacent to the side margin part of the active portion is greater than an average Sn content in a central region of the active portion.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: September 10, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Myeong Jeon, Ki Yong Lee, Jin Woo Kim, Chang Hak Choi
  • Patent number: 12087513
    Abstract: In a multilayer capacitor, when a distance between a surface of a first external electrode at an apex position of the first external electrode and a curved surface is defined as Ht, and a distance between the apex position and an apex position of the main surface in a facing direction of the pair of main surfaces is defined as Y, 0<Y<Ht is satisfied for each of the pair of first external electrodes at least on the curved surface side, and a distance between a surface of the second external electrode at an apex position of the second external electrode and the main surface is defined as Hs, Ht>Hs is satisfied for each of the pair of second external electrodes on both sides of the pair of main surfaces.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: September 10, 2024
    Assignee: TDK CORPORATION
    Inventors: Masahiro Iwama, Toru Onoue, Kohei Sumiya
  • Patent number: 12080487
    Abstract: A multilayer ceramic capacitor includes a multilayer body and a pair of external electrodes at both ends of the multilayer body in a length direction and covering a pair of end surfaces, and connected to internal electrode layers. The pair of external electrodes each include a first external electrode layer covering each of the end surfaces and connected to the internal electrode layers, a second external electrode layer on the first external electrode layer, and a plated layer on the second external electrode layer, the first external electrode layer includes Ni and dielectric particles, the second external electrode layer includes Cu and glass, and a metal group including at least one of Sn, In, Ga, Zn, Bi, Pb, Fe, V, Y, or Cu is included at an interface between the first and second external electrode layers.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: September 3, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Akitaka Doi
  • Patent number: 12080480
    Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on one another with the dielectric layer interposed therebetween, and external electrodes disposed externally on the body, and each connected to the plurality of internal electrodes, wherein at least one of the plurality of internal electrodes includes an alloy region formed in a region in contact with a corresponding external electrode of the external electrodes, and the alloy region includes a nickel (Ni)-chromium (Cr) alloy.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Hee Lee, Soo Jeong Jo, Kang Ha Lee, Yoon A Park, Jin Woo Chun, Berm Ha Cha, Myung Jun Park, Jong Ho Lee
  • Patent number: 12080481
    Abstract: A multi-layer ceramic electronic component includes: a ceramic body having a substantially rectangular parallelepiped shape; and external electrodes each including a base layer, a conductive resin layer, and first and second conductive layers. A conductive filler includes a core portion and a silver coating film made of silver and covering the core portion. In a cross-section parallel to the first and second axes, when a straight line parallel to the first axis is drawn to pass through a range distant from a base end portion, and when a thickness of the first conductive layer along the line is a conductor thickness, and the sum of lengths of the silver coating film along the line in all the conductive fillers on the line is a total thickness of silver coating, a ratio of the conductor thickness to the total thickness of silver coating is 2 or more and 10 or less.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: September 3, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Satoshi Kobayashi, Kiyoshiro Yatagawa, Takahisa Fukuda
  • Patent number: 12080486
    Abstract: An electronic component includes a main body including first and second end surfaces opposed to each other in a length direction, first and second side surfaces opposed to each other in a width direction, and first and second main surfaces opposed to each other in a thickness direction and that has a rectangular substantially rectangular parallelepiped shape, a first outer electrode provided at a first end side in the length direction of the main body, and a second outer electrode provided a second end side in the length direction of the main body. Each of the first and second outer electrodes includes first through fourth protrusions.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: September 3, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Takahiro Hirao
  • Patent number: 12080485
    Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrodes alternately stacked on one another, and two external electrodes on two end surfaces of the multilayer body. The internal electrodes include first internal electrodes and second internal electrodes arranged alternately. A distance between the first internal electrodes adjacent to each other includes a distance T11 and a distance T12. The distance T11 is greater than the distance T12. A distance between the second internal electrodes adjacent to each other includes a distance T21 and a distance T22. The distance T21 is greater than the distance T22.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: September 3, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yasuyuki Shimada
  • Patent number: 12080473
    Abstract: In some examples, an isolation transformer can include a first wire having a first insulation thickness and a second wire having a second insulation thickness that is different than the first insulation thickness. The isolation transformer can further include a plurality of magnetic cores of magnetic material that can be configured to surround portions of each of the first and second wires along respective circumferences of the first and second wires to provide the isolation transformer.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: September 3, 2024
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventor: Gary M. Rackson
  • Patent number: 12081169
    Abstract: A multilayer ceramic radiofrequency mixer can include a first termination, a second termination, a third termination, and a fourth termination. A plurality of interleaved electrodes may include a first set of electrodes connected with the first termination, a second set of electrodes connected with the second termination, a third set of electrodes connected with the third termination, and a fourth set of electrodes connected with the fourth termination. A plurality of dielectric layers may be disposed between respective electrodes of the pluralities of interleaved electrodes. A dielectric constant of the plurality of dielectric layers may vary less than 10% in response to a DC bias voltage applied to the plurality of interleaved electrodes.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: September 3, 2024
    Assignee: KYOCERA AVX Components Corporation
    Inventors: Joseph M. Hock, Jeffrey C. Cain
  • Patent number: 12073997
    Abstract: A multilayer ceramic capacitor includes internal electrode layers and dielectric layers laminated alternately, and external electrodes on end surfaces. The internal electrode layers extend in a length direction and a width direction. The dielectric layers include about 100 moles or more and about 101 moles or less of Ca with respect to 100 moles of Zr. One side in the length direction of the internal electrode layers is connected to one of the external electrodes. Another side of the internal electrode layers is not connected to the external electrodes. A length at a middle portion in the width direction of the internal electrode layers is defined as L1, and a length at an end portion in the width direction is defined as L2, the internal electrode layers include a curved end side extending in the width direction so that L2<L1 is satisfied.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: August 27, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Tatsuya Izumi
  • Patent number: 12070609
    Abstract: Various embodiments of an electrical component and a method of forming such component are disclosed. The electrical component includes a substrate having a first major surface, a second major surface, and cavity disposed in the substrate. The cavity extends between the first major surface and a recessed surface. Tantalum material is disposed within the cavity. Further, the tantalum material includes tantalum particles. The electrical component also includes a dielectric layer disposed on the tantalum particles and an electrolyte cathode layer disposed on the dielectric layer. The electrical component further includes a cathode electrode disposed on the electrolyte cathode layer and over the cavity.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: August 27, 2024
    Assignee: Medtronic, Inc.
    Inventors: Mark R. Boone, Joachim Hossick-Schott, Mark Henschel
  • Patent number: 12068116
    Abstract: A multilayer ceramic capacitor includes a ceramic element body including ceramic layers and internal electrode layers, and a pair of external electrodes on both end surfaces of the ceramic element body so as to be electrically connected to the internal electrode layers. Each of the external electrodes includes a base electrode layer and a resin external electrode layer stacked on the base electrode layer. The resin external electrode layer includes a thermosetting resin and a metal powder and amine, isocyanate, epoxy, mercapto, and/or ureido silane coupling agents.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: August 20, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yoshiyuki Nomura
  • Patent number: 12062498
    Abstract: A multilayer ceramic capacitor includes a multilayer body including laminated ceramic layers, first and second principal surfaces in a height direction, first and second lateral surfaces in a width direction, and first and second end surfaces in a length direction, first and second internal electrode layers on the ceramic layers and respectively exposed to the first and second end surfaces, first and second external electrodes respectively electrically connected to the first and second internal electrode layers, and portions of the first and second principal surfaces and the first and second lateral surfaces. The first and second external electrodes each include an underlying electrode layer including a metal component, a plating layer on the underlying electrode layer, and a fatty acid on at least a surface of the underlying electrode layer.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: August 13, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takeshi Itamochi, Yoshiyuki Nomura
  • Patent number: 12052836
    Abstract: A display device includes: a first module including a first housing and a first roller portion; a plurality of support portions having first end portions fixed to the first roller portion and extending in a first direction; a display panel disposed to overlap the support portions and including a first surface and a second surface opposite to the first surface; and a second module including a second housing to which second end portions of the support portions are fixed. The support portions are disposed on the second surface, the support portions include a first support portion, and a second support portion spaced apart from the first support portion in a second direction intersecting the first direction, the first support portion includes a concave pattern concave in a direction facing the second surface, and the second support portion includes a convex pattern convex in the direction facing the second surface.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: July 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Ho Ahn, Beom Jin Kim, Tae Woong Kim, Sang Jun Lee, Jin Hwan Choi
  • Patent number: 12051543
    Abstract: There is provided a multilayer electronic component in which a short circuit between the internal electrodes, a decrease in capacitance, a decrease in breakdown voltage, and the like, may be suppressed by controlling an area fraction occupied by a region in which an intensity of brightness in a capacitance formation portion is 110% or more and 126% or less of an average value of an intensity of brightness of a cover portion.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: July 30, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae Mun, Gi Long Kim, Tae Gyeom Lee, Byung Rok Ahn, Kyoung Jin Cha, Jong Ho Lee
  • Patent number: 12046422
    Abstract: A multilayer electrical component including a plurality of parallel plate electrodes embedded in a dielectric body between first and second conductive terminations is disclosed. The dielectric body and the plurality of parallel plate electrodes form a plurality of capacitive layers each comprising a series of capacitors between the first and second conductive terminations. Each capacitor of the capacitive layers is partly defined by a gap in one of the parallel plate electrodes, wherein a gap of the one capacitive layer is laterally offset relative to a gap of an adjacent capacitive layer and a total capacitance of the adjacent capacitive layers is equivalent.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: July 23, 2024
    Assignee: Knowles (UK) Ltd.
    Inventors: Angela Ellmore, Stephen Thomas Hopwood, Simon Grant
  • Patent number: 12040137
    Abstract: A multilayer capacitor includes: a body including internal electrodes stacked in a first direction; and first and second external electrodes disposed on the body. A portion of the first external electrode overlaps the body in the first direction and does not overlap a remainder of the first external electrode in the first direction. A portion of the second external electrode overlaps the body in the first direction and does not overlap a remainder of the second external electrode in the first direction. At least one of the external electrodes includes: a second electrode layer covering a first electrode layer, which covers one portion of an edge of the body. A width W1 of a portion of the first electrode layer, closest to the one portion of the edge, is narrower than a width W2 of an end of the second electrode layer, farthest from the first electrode layer.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: July 16, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ghyu Ahn, Soo Hwan Son, Hwi Dae Kim
  • Patent number: 12033803
    Abstract: A multilayer capacitor includes: a body including a stack structure in which at least one first internal electrode and at least one second internal electrode are alternately stacked on each other having at least one dielectric layer interposed therebetween in a first direction; first and second external electrodes disposed on the body while being spaced apart from each other to be respectively connected to first internal electrode and second internal electrode; and first and second bumps respectively having one surfaces disposed on the first or second external electrode and including at least one hole positioned in the one surface or the other surface, wherein AV indicates a total area of the at least one hole, AB indicates an area of the one surface of the first or second bump, facing the first or second external electrode, and AV/AB is greater than 0.012 and less than 0.189.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: July 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Man Su Byun, Se Hun Park, Soo Hwan Son, Taek Jung Lee