Patents by Inventor Shinobu CHIKUMA

Shinobu CHIKUMA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11538634
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and having a rectangular parallelepiped shape, and first and second outer electrodes covering both end surfaces of the multilayer body and extending from both the end surfaces so as to cover at least portions of a first main surface, a second main surface, a first side surface, and a second side surface of the multilayer body. An insulating layer is provided on a surface of the first main surface of the multilayer body. The first outer electrode and the second outer electrode disposed on the first main surface side are disposed on the insulating layer.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: December 27, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shinobu Chikuma
  • Patent number: 11521799
    Abstract: Each of a supporting-terminal-equipped capacitor chip and a mounted structure thereof includes a capacitor chip and first and second supporting terminals that each have electric conductivity. A maximum diameter size of the first supporting terminal when viewed in an axial direction is larger than a maximum length size of a portion of a first outer electrode on a second main surface in a length direction. A maximum diameter size of the second supporting terminal when viewed in the axial direction is larger than a maximum length size of a portion of a second outer electrode on the second main surface in the length direction.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: December 6, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shinobu Chikuma
  • Publication number: 20220384100
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes at a pair of multilayer body end surfaces of the multilayer body and connected to internal electrode layers. The interposer board includes board end surfaces, board side surfaces orthogonal to the board end surfaces, and board main surfaces orthogonal to the board end surfaces and the board side surfaces. One of the pair of board main surfaces is located in a vicinity of the electronic element and joined with one of the multilayer body main surfaces in a vicinity of the interposer board. The interposer board is an alumina board. A solder layer is provided between the electronic element and the interposer board, joins the electronic element with the interposer board, and includes a solder unfilled region.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220384099
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes at a pair of multilayer body end surfaces of the multilayer body and connected to internal electrode layers. The interposer board includes board end surfaces, board side surfaces orthogonal to the board end surfaces, and board main surfaces orthogonal to the board end surfaces and the board side surfaces. One of the board main surfaces is located in a vicinity of the electronic element and joined with one of the multilayer body main surfaces in a vicinity of the interposer board. The interposer board is an alumina board. A mark portion is provided on one of the board main surfaces.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220386466
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes at multilayer body end surfaces and connected to internal electrode layers. The interposer board includes board end surfaces, board side surfaces orthogonal to the board end surfaces, and board main surfaces orthogonal to the board end surfaces and the board side surfaces. One of the board main surfaces is in a vicinity of the electronic element and is joined with one of the multilayer body main surfaces in a vicinity of the interposer board. The interposer board is an alumina board. A maximum length of the interposer board is smaller than a length of the electronic element. A width of the interposer board is smaller than a width of the electronic element.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220384101
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes each at a respective one of multilayer body end surfaces of the multilayer body and connected to internal electrode layers. The interposer board includes board end surfaces, board side surfaces orthogonal to the board end surfaces, and board main surfaces orthogonal to the board end surface and the board side surface. One of the board main surfaces is located in a vicinity of the electronic element and joined with one of multilayer body main surfaces in a vicinity of the interposer board. The interposer board is an alumina board. The external electrodes each include a first Sn plated layer that covers an outer surface of the interposer board in a vicinity of at least one board end surface.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220384098
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes at multilayer body end surfaces of the multilayer body and connected to internal electrode layers. One of the board main surfaces is in a vicinity of the electronic element and joined with a multilayer body main surface in a vicinity of the interposer board. The interposer board is an alumina board. At least one notch is in end regions including a board end surface, a board side surface in a vicinity thereof, a board main surface in a vicinity thereof, ridge portions between the board end surface and the board side surface, between the board end surface and the board main surface, and between the board side surface and the board main surface, and a corner portion between the board end surface, the board side surface, and the board main surface.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220384097
    Abstract: An electronic component includes an electronic element and an interposer board. The electronic element includes a multilayer body and external electrodes at a pair of multilayer body end surfaces and connected to internal electrode layers. The interposer board includes board end surfaces, board side surfaces orthogonal to the board end surfaces, and board main surfaces orthogonal to the board end surfaces and the board side surfaces. One of the board main surfaces is in a vicinity of the electronic element and joined with one of the multilayer body main surfaces in a vicinity of the board. The interposer board is an alumina board. The board main surface in the vicinity of the electronic element includes a fired layer thereon in the vicinity of the pair of board end surfaces of the interposer board.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220386467
    Abstract: A method of manufacturing an electronic component includes applying a paste at two locations on a board main surface of a board made of alumina and applying a glass paste between the two locations, heating the board, cutting two locations where a fired layer is provided, forming a layer on an outer periphery in a vicinity of a board end surface, forming a plated layer on an outer periphery of the layer, forming a second plated layer on an outer periphery of the plated layer, providing a solder on the board main surface in a vicinity of an electronic element, and providing the electronic element on the board main surface and attaching the electronic element to an interposer board.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220301780
    Abstract: A method of manufacturing a multilayer ceramic capacitor includes alternately laminating dielectric layers and internal electrode layers to manufacture a multilayer body, forming an external electrode connected with the internal electrode layers on each of two end surfaces of the multilayer body to manufacture a capacitor main body, connecting two interposers via an insulator, holding the two interposers connected via the insulator on a holding portion, placing the capacitor main body on the two interposers on the holding portion such that the external electrode is connected to each of the two interposers, and removing the holding portion.
    Type: Application
    Filed: September 30, 2021
    Publication date: September 22, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220199325
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body in which dielectric layers and internal electrode layers are alternately laminated, and external electrodes respectively on two end surfaces of the multilayer body and connected to the internal electrode layers, an interposer at a board mounting surface of the capacitor main body, and an insulating resin film in a gap between the board mounting surface and a capacitor-facing surface of the interposer which is opposed to the board mounting surface.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 23, 2022
    Inventor: Shinobu CHIKUMA
  • Publication number: 20220108840
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes each at end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers on a surface in a lamination direction of the capacitor main body, and spaced apart from each other in a length direction connecting the two end surfaces and intersecting the lamination direction. The external electrodes each include a bulge portion protruding in the lamination direction on the surface of the capacitor main body. The interposers each include a recess portion on each of the end surfaces, and in a cross section extending in the lamination direction and the length direction and passing through a center in a width direction. The bulge portion is closer to the end surface in the length direction than the recess portion.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108842
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes at two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers on a surface of the capacitor main body, and opposed and spaced apart from each other. The two interposers each include a first surface at or adjacent to the capacitor main body, and a second surface opposite to the first surface, the first and second surfaces being parallel or substantially parallel with each other, and the first surface is sloped with respect to the surface of the capacitor main body at a predetermined angle to be spaced from the surface of the capacitor main body toward a side at which the two interposers face each other.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108838
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes each provided at one of two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers provided on both sides in a length direction of a surface of the capacitor main body. The two interposers each include a protrusion extending from one of the two interposers to another of the two interposers.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108844
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated therein, and external electrodes each at one of two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers on a surface of the capacitor main body, and opposed and spaced apart from each other. The two interposers include a nickel-plated layer and a tin-plated layer on an outer periphery thereof. The two interposers each include a non-plated region without the nickel-plated layer on an end surface at which the two interposers face each other.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108841
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated, and external electrodes at two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers on a surface of the capacitor main body in a lamination direction and opposed and spaced apart from each other. The interposers each include a first surface at or adjacent to the capacitor main body, and a second surface parallel or substantially parallel to each other, and the first surface is sloped with respect to the second surface at a predetermined angle approaching the surface of the capacitor main body toward a side at which the two interposers face each other.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108839
    Abstract: A multilayer ceramic capacitor includes a capacitor main body including a multilayer body including dielectric layers and internal electrode layers alternately laminated therein, and external electrodes each at one of two end surfaces of the multilayer body and connected to the internal electrode layers, and two interposers on a surface in a lamination direction of the capacitor main body, and opposed and spaced apart from each other in a length direction connecting the two end surfaces. The two interposers each include a first recess portion on an end surface of the interposer opposed to an end surface facing the other interposer, in an area around a middle portion of the interposer in a width direction, and second recess portions on both sides in the width direction of the first recess portion, and each having a thickness of about ±10% of a half of a thickness of the interposer.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20220108843
    Abstract: A multilayer ceramic capacitor includes a capacitor main body, and two interposers on both sides in a length direction of a surface of the capacitor main body. When a distance between a side surface of one interposer on one side in the length direction, and a side surface of the capacitor main body is defined as X1, a distance between another side surface of the one interposer, and another side surface of the capacitor main body is defined as X4, a distance between a side surface of another interposer on another side in the length direction, and the side surface of the capacitor main body is defined as X2, and a distance between another side surface of the other interposer on the other side in the length direction, and the other side surface of the capacitor main body is defined as X3; X2>X3 and X1>X4 are satisfied.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Satoshi YOKOMIZO, Shinobu CHIKUMA, Yohei MUKOBATA
  • Publication number: 20210272753
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and having a rectangular parallelepiped shape, and first and second outer electrodes covering both end surfaces of the multilayer body and extending from both the end surfaces so as to cover at least portions of a first main surface, a second main surface, a first side surface, and a second side surface of the multilayer body. An insulating layer is provided on a surface of the first main surface of the multilayer body. The first outer electrode and the second outer electrode disposed on the first main surface side are disposed on the insulating layer.
    Type: Application
    Filed: February 8, 2021
    Publication date: September 2, 2021
    Inventor: Shinobu CHIKUMA
  • Publication number: 20210272756
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Application
    Filed: February 8, 2021
    Publication date: September 2, 2021
    Inventors: Shinobu CHIKUMA, Nobuyuki KOIZUMI, Akio MASUNARI, Yukie WATANABE