Patents Examined by Michael P McFadden
  • Patent number: 11961682
    Abstract: A multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, the capacitor body having first to sixth surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, and the second internal electrode being exposed through the fourth, fifth, and sixth surfaces, a first side portion and a second side portion, respectively disposed on the fifth surface and the sixth surface of the capacitor body, and a first external electrode and a second external electrode, respectively connected to the third surface and the fourth surface of the capacitor body to be respectively connected to the first internal electrode and the second internal electrode. The first and second side portions include an acicular second phase including a glass including aluminum (Al) and silicon (Si), manganese (Mn), and phosphorus (P).
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sim Chung Kang, Yong Park, Woo Chul Shin, Ki Pyo Hong
  • Patent number: 11955289
    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 in a first direction with at least one dielectric layer interposed therebetween; and first and second external electrodes spaced apart from each other and disposed on the body to be respectively connected to the at least one first internal electrode and the at least one second internal electrode, wherein each of the first and second external electrodes includes a first conductive layer including a first conductive material and glass; and an oxide layer including an oxide and disposed on at least a portion of an external surface of the first conductive layer.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Soo Yi, Kun Ho Koo, San Kyeong, Hai Joon Lee, Kyung Ryul Lee, Ho Yeol Lee
  • Patent number: 11948747
    Abstract: A dielectric body includes a plurality of crystal grains of which a main component is barium titanate, and an additive including Zr, Eu and Mn. At least one of the plurality of crystal grains has a core-shell structure having a core and a shell. A Zr/Ti atomic concentration ratio is 0.02 or more and 0.10 or less. An Eu/Ti atomic concentration ratio is 0.001 or more and 0.03 or less. A Mn/Ti atomic concentration ratio is 0.005 or more and 0.05 or less. A total atomic concentration of the one or more rare elements is smaller than an atomic concentration of Eu when the dielectric body has the one or more rare earth elements. A median diameter of the plurality of crystal grains is 200 nm or more and 400 nm or less.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 2, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Yuji Tsushima, Koichiro Morita
  • Patent number: 11948753
    Abstract: A manufacturing method of a multilayer ceramic electronic device includes: forming each of stack units by forming each of internal electrode patterns on each of dielectric green sheets, the each of internal electrode patterns including Ni, Sn and Au; forming a multilayer structure by stacking the each of stack units; and firing the multilayer structure, whereby each internal electrode layer is formed from the each of internal electrode patterns and each dielectric layer is formed from the each of the dielectric green sheets wherein, in the each internal electrode layer, an Au concentration near each interface between the each internal electrode layer and the each dielectric layer is larger than an Au concentration in each center portion in a thickness direction.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: April 2, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kazuki Yamada, Kotaro Mizuno, Yoichi Kato, Hidetoshi Masuda
  • Patent number: 11948748
    Abstract: A film capacitor that includes a dielectric resin film containing a cured product of a first organic material and a second organic material; and a metal layer on at least one surface of the dielectric resin film. The first organic material contains an organic polymer having a hydroxy group and a benzene ring in a repeating unit; the second organic material contains 4,4?-diphenylmethane diisocyanate, a modified product of 4,4?-diphenylmethane diisocyanate, or a mixture thereof; and 400 ppm to 700 ppm of chlorine ions and 300 ppm to 500 ppm of phosphorus ions are present inside the dielectric resin film.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: April 2, 2024
    Assignees: MURATA MANUFACTURING CO., LTD., SHIZUKI ELECTRIC CO., INC.
    Inventors: Tomoki Inakura, Tomomichi Ichikawa, Atsushi Kawabata
  • Patent number: 11947398
    Abstract: A sturdy electronic device is provided. A reliable electronic device is provided. A novel electronic device is provided. An electronic device includes a first board, a second board, a display portion having flexibility, and a power storage device having flexibility. The first board and the second board face each other. The display portion and the power storage device are provided between the first board and the second board. The display portion includes a first surface facing the power storage device. The first surface includes a first region not fixed to the power storage device. The first region overlaps with a display region of the display portion.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: April 2, 2024
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventor: Masaaki Hiroki
  • Patent number: 11948744
    Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes disposed alternately with the dielectric layer therebetween and including first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and external electrodes disposed on the body. One end of each internal electrode is connected to the third or fourth surface. The external electrodes include a first electrode layer disposed on the third and fourth surfaces and including a conductive metal and a second electrode layer disposed on the first electrode layer, including silver (Ag) and glass, and further including one or more of palladium (Pd), platinum (Pt), and gold (Au), and the first electrode layer is disposed to cover all of one end of each internal electrode connected to the third and fourth surfaces and does not extend to the other surfaces.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seo Won Jung, Won Kuen Oh, Gyu Ho Yeon, Seo Ho Lee
  • Patent number: 11942271
    Abstract: Disclosed herein is electrode comprising a current collector comprising a conductor layer having at least a first surface; and elongated metal carbide nanostructures extending from the first surface; and a carbonaceous energy storage media disposed on the first surface and in contact with the elongated metal carbide nanostructures. Disclosed herein too is an ultracapacitor comprising at least one electrode comprising a current collector comprising a conductor layer having at least a first surface; and elongated metal carbide nanostructures extending from the first surface; and a carbonaceous energy storage media disposed on the first surface and in contact with the elongated metal carbide nanostructures.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: March 26, 2024
    Assignee: FASTCAP SYSTEMS CORPORATION
    Inventors: Nicolo Michele Brambilla, Fabrizio Martini
  • Patent number: 11935702
    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: November 19, 2021
    Date of Patent: March 19, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yoshiyuki Nomura
  • Patent number: 11923146
    Abstract: A multilayer ceramic capacitor includes a ceramic body having a dielectric layer, a plurality of internal electrodes disposed in the ceramic body, and a first side margin portion and a second side margin portion arranged on end portions of the internal electrodes exposed through respective opposing surfaces of the ceramic body. The ceramic body includes an active portion having the plurality of internal electrodes arranged to overlap each other with the dielectric layer interposed therebetween to form capacitance, and cover portions disposed above an uppermost and below a lowermost internal electrode of the active portion. The first and second side margin portions include tin (Sn), and a content of Sn included in the first and second side margin portions is greater than a content of Sn included in the dielectric layer of the active portion.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eun Jung Lee, Jong Ho Lee, Sim Chung Kang, Ki Pyo Hong
  • Patent number: 11923144
    Abstract: A multilayer ceramic electronic component includes: a body including dielectric layers as well as a plurality of internal electrodes stacked with respective dielectric layers interposed therebetween and including a first metal; and external electrodes disposed on external surfaces of the body including a second metal, wherein at least some of the plurality of internal electrodes include a core-shell region including the first and second metals, and average contents of the second metal in a core portion and a shell portion of the core-shell region are different from each other.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Kim, Dong Jun Jung, Dae Hee Lee, Soo Jeong Jo
  • Patent number: 11923143
    Abstract: A capacitive cable comprised six long, thin and narrow electrode plates or strips (101, 102, 103, 104, 105, 106). Typically, they are 5 km long, 10 cm wide and 0.5 mm thick of aluminum or copper foil. Individual ones of them are separated by 0.25 mm thick polypropylene ribbons (107) insulating the individual strips from each other in an insulating manner. The assembly of strips and ribbons is contained within an insulating sheath 108. At opposite ends (111,112), the alternate strips are cut off short and the remaining fingers (114,115) are joined together and to connection wires (116,117), typically by riveting (118). The wires are insulated and the insulating sheath extends onto the insulation of the wires, whereby the entire cable is insulated for safe contact with foreign objects between the ends.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: March 5, 2024
    Assignee: Enertechnos Limited
    Inventor: Gareth O'Brien
  • Patent number: 11915878
    Abstract: A multilayer ceramic capacitor includes a multilayer body, two external electrodes, and two wall portions. The multilayer body includes a multilayer main body including an inner layer portion in which dielectric layers and internal electrode layers are stacked, and two outer layer portions on opposite sides of the inner layer portion in a stacking direction, two side gap portions on opposite sides of the multilayer main body in a width direction, two main surfaces on opposite sides in the stacking direction, two side surfaces on opposite sides in the width direction, and two end surfaces on opposite sides in a length direction. The two external electrodes each are provided at one of the two end surfaces of the multilayer body, and each extend from the one of the two end surfaces to a portion of the main surface. The wall portions cover portions of the external electrodes at the two end surfaces, and each include a protruding portion that protrudes from the main surface.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: February 27, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Mitsuru Ikeda
  • Patent number: 11915874
    Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on each other with the dielectric layer interposed therebetween; and external electrodes disposed externally on the body, and respectively including a first layer connected to the internal electrode and a second layer covering the first layer, wherein the first layer includes a metal particle including an element A, an oxide of an element Z, formed on the metal particle, and an A-Z intermetallic compound phase, and here, the element Z has a higher ionization tendency than the element A.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Moon Lee, Taek Jung Lee, Sung Ho Lee, Seol Gyeong Park
  • Patent number: 11908624
    Abstract: Disclosed is a broadband capacitor in which an electrode unit comprises a main electrode and a plurality of side electrodes so as to facilitate changing of capacitance value. The disclosed broadband capacitor is formed by alternately stacking a first electrode set, which comprises a first main electrode and a plurality of side electrodes spaced apart from the first main electrode, and a second electrode set, which comprises a second main electrode and a plurality of side electrodes spaced apart from the second main electrode.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: February 20, 2024
    Assignee: AMOTECH CO., LTD.
    Inventor: Byungguk Lim
  • Patent number: 11908626
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a laminate body including first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction, and including a dielectric layer, and a first internal electrode and a second internal electrode stacked in the third direction with the dielectric layer interposed therebetween, a first and a second margin portion; a first connection portion and a second connection portion. The first connection portion includes a first lead electrode connected to the first internal electrode, and the second connection portion includes a second lead electrode connected to the second internal electrode.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Eun Noh, Ji Hyuk Lim, Jong Yun Kim, Eun Jung Lee
  • Patent number: 11901128
    Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Uk Cha, Chang Min Lee, Hye Sung Yoon, Seon A Jang, Ji Hyuk Lim, Ki Yong Lee
  • Patent number: 11894188
    Abstract: An element body of a multilayer capacitor has a plurality of first electrodes and a plurality of second electrodes. At least one of the first electrodes is curved such that a first main body portion is located on an outer side of a first extending portion in a first direction, and at least one of the second electrodes is curved such that a second main body portion is located on an outer side of a second extending portion in the first direction. The following expressions (1) to (6) are satisfied for lengths L0 to L4 in a second direction and distances TL1 to TL3 between main surfaces. 0.03?L1/L0?0.1??(1) 0.1?L2/L0?0.25??(2) 0.75?L3/L0?0.9??(3) 0.9?L4/L0?0.97??(4) 0?(TL1?TL2)/TL1?0.02??(5) 0?(TL1?TL3)/TL1?0.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: February 6, 2024
    Assignee: TDK CORPORATION
    Inventors: Takuya Imaeda, Takashi Morita, Masashi Hatanaka, Toshihiko Kaneko
  • Patent number: 11894191
    Abstract: A multilayer electronic component may include a first internal electrode layer including a first dielectric layer and first to fourth internal electrodes disposed to be spaced apart from each other on the first dielectric layer, a second internal electrode layer including a second dielectric layer and a fifth internal electrode disposed on the second dielectric layer, a body including a capacitance forming portion in which the first internal electrode layer and the second internal electrode layer are alternately disposed, a connection electrode penetrating through the first and second internal electrode layers, spaced apart from the first to fourth internal electrodes, and connected to the fifth internal electrode, first to fourth external electrodes disposed to be connected to the first to fourth internal electrodes, respectively, on the body, and a fifth external electrode disposed to be connected to the connection electrode on the body.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hoon Kim, Ji Hoon Kim, Gyoung Heon Ko, Yong Hoon Kim
  • Patent number: 11887788
    Abstract: An electronic component that includes: a ceramic body; and an external electrode on a surface of the ceramic body, wherein the external electrode includes: a base layer in contact with the surface of the ceramic body, the base layer including a granulate of a metal material and a continuous phase of a titanium-containing oxide present around the granulate of the metal material; and a plating layer on the base layer.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 30, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yuuta Hoshino