公开(公告)号：US20250069813A1

公开(公告)日：2025-02-27

申请号：US18946468

申请日：2024-11-13

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Kotaro MIZUNO

IPC: H01G4/30 ,  H01G4/012 ,  H01G4/12

Abstract: A multi-layer ceramic capacitor includes: a multi-layer unit including ceramic layers laminated in a first direction and electrodes disposed between the ceramic layers, positions of end portions of the electrodes falling within a range of 0.5 μm in a second direction; and side margins each containing manganese or magnesium and silicon and facing each other in the second direction. When each margin is equally divided into an inner region and an outer region, a total concentration of manganese and magnesium in the outer region is higher than a total concentration of manganese and magnesium in the inner region and higher than a total concentration of manganese and magnesium in the ceramic layers, and a concentration of silicon in the inner region is not less than a concentration of silicon in the outer region and higher than a concentration of silicon in the ceramic layers.

公开(公告)号：US12199590B2

公开(公告)日：2025-01-14

申请号：US17687501

申请日：2022-03-04

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Shinji Taniguchi

IPC: H03H9/205 ,  H03H9/13 ,  H03H9/56

Abstract: An acoustic wave device includes a substrate, one or more acoustic layers provided on the substrate, the one or more acoustic layers each being an air gap or an acoustic mirror, the acoustic mirror having a structure in which at least two layers having different acoustic characteristics are stacked, lower electrodes provided on the substrate, the lower electrodes sharing one acoustic layer of the one or more acoustic layers between the substrate and the lower electrodes, the lower electrodes being arranged to be separated from each other across a groove, an insulating film provided in the groove on the one acoustic layer, a piezoelectric film continuously provided on the lower electrodes and the groove, and an upper electrode continuously provided on the piezoelectric film to form resonators by sandwiching the piezoelectric film between the upper electrode and the lower electrodes.

公开(公告)号：US12198859B2

公开(公告)日：2025-01-14

申请号：US17667431

申请日：2022-02-08

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yasutomo Suga

IPC: H01G4/20 ,  H01G4/232 ,  H01G4/248 ,  H01G4/30 ,  H05K1/18

Abstract: A ceramic electronic component includes an element body having a dielectric and internal electrodes, the element body having an upper surface, a lower surface, and side surfaces; external electrodes formed on multiple surfaces of the element body, and an oxide layer formed on the upper surface of the element body. Each of the external electrodes has a base layer and a plating layer, the base layer containing metal and having a lower part formed on the lower surface of the element body and a side part formed on one of the side surfaces of the element body and being connected to one or more of the internal electrodes, the plating layers being formed on the lower part of the corresponding base layer. The oxide layer has a surface roughness Ra that is equal to or greater than 0.20 micrometers.

公开(公告)号：US20250014832A1

公开(公告)日：2025-01-09

申请号：US18894297

申请日：2024-09-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Tomoki SAKAI

IPC: H01G4/30 ,  C04B35/468 ,  H01G2/06 ,  H01G4/008 ,  H01G4/012 ,  H01G4/12

Abstract: A multi-layer ceramic electronic component includes: a ceramic body including internal electrodes laminated and drawn to an end face of the ceramic body; and an external electrode including: a base film disposed on the end face of the ceramic body and formed from an electrically conductive material, a first nickel film disposed on and in contact with the base film in a thickness direction of the base film, and a second nickel film disposed on the first nickel film in a thickness direction of the first nickel film, wherein the base film is in contact with the internal electrodes, or the first nickel film is thicker than the second nickel film.

公开(公告)号：US20240415402A1

公开(公告)日：2024-12-19

申请号：US18787793

申请日：2024-07-29

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Takayuki SEKIGUCHI

IPC: A61B5/0537 ,  A61B5/145

Abstract: A measuring apparatus includes a first substrate, an oscillator circuit, and an arithmetic circuit. The first substrate is made of a dielectric and has a first signal line and a ground conductor. A living body is to be pressed against the first signal line. The oscillator circuit produces a first signal of alternating current. The arithmetic circuit acquires biological information based on a comparison between a second signal and a third signal. The second signal corresponds to the first signal that passes through the first signal line. The third signal corresponds to the first signal that does not pass through the first signal line.

公开(公告)号：US12160222B2

公开(公告)日：2024-12-03

申请号：US17687501

申请日：2022-03-04

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Shinji Taniguchi

IPC: H03H9/205 ,  H03H9/13 ,  H03H9/56

Abstract: An acoustic wave device includes a substrate, one or more acoustic layers provided on the substrate, the one or more acoustic layers each being an air gap or an acoustic mirror, the acoustic mirror having a structure in which at least two layers having different acoustic characteristics are stacked, lower electrodes provided on the substrate, the lower electrodes sharing one acoustic layer of the one or more acoustic layers between the substrate and the lower electrodes, the lower electrodes being arranged to be separated from each other across a groove, an insulating film provided in the groove on the one acoustic layer, a piezoelectric film continuously provided on the lower electrodes and the groove, and an upper electrode continuously provided on the piezoelectric film to form resonators by sandwiching the piezoelectric film between the upper electrode and the lower electrodes.

公开(公告)号：US20240347274A1

公开(公告)日：2024-10-17

申请号：US18752357

申请日：2024-06-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yasuyuki INOMATA

IPC: H01G4/12 ,  C04B35/626 ,  H01G4/012 ,  H01G4/30

CPC classification number: H01G4/1236 ,  C04B35/62645 ,  H01G4/012 ,  H01G4/1218 ,  H01G4/30 ,  C04B2235/3262 ,  C04B2235/3418

Abstract: A ceramic electronic device includes a dielectric layer and an internal electrode layer that are alternately stacked, wherein the dielectric layer contains yttria-stabilized zirconia, and wherein an arca ratio of grains of the yttria-stabilized zirconia is 1% or more and 15% or less in a cross section of the dielectric layer.

公开(公告)号：US12119160B2

公开(公告)日：2024-10-15

申请号：US17217277

申请日：2021-03-30

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Natsuko Sato ,  Takayuki Arai ,  Atsuko Kasahara ,  Tomoo Kashiwa

IPC: H01F27/24 ,  H01F27/28 ,  H01F41/04

CPC classification number: H01F27/2804 ,  H01F27/24 ,  H01F41/043 ,  H01F2027/2809

Abstract: A coil component includes an insulating base body and a coil conductor arranged in the base body and having a winding portion extending around a coil axis. The insulating base body includes a magnetic body portion made of a magnetic material and a magnetic gap portion made of a low-permeability material having a lower relative permeability than the magnetic material. The magnetic gap portion is shaped like a ring when seen in a direction along the coil axis and arranged within the winding portion. The magnetic body portion includes a first region positioned within the winding portion, a second region positioned opposite the first region with respect to the magnetic gap portion in the direction along the coil axis, and a third region arranged within a through hole defined by an inner peripheral surface of the magnetic gap portion, where the third region connects together the first and second regions.

公开(公告)号：US12107278B2

公开(公告)日：2024-10-01

申请号：US17167632

申请日：2021-02-04

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Shinichi Yamagishi

IPC: H01M4/90 ,  H01M4/86 ,  H01M8/12

CPC classification number: H01M4/9025 ,  H01M4/8621 ,  H01M4/8673 ,  H01M2008/1293

Abstract: A solid oxide fuel cell includes an anode that includes a porous layer including an electron conductive ceramics and an oxygen ion conductive ceramics, the porous layer of the anode being impregnated with an anode catalyst, an electrolyte layer that is provided on the anode and includes a solid oxide having oxygen ion conductivity, and a cathode that is provided on the electrolyte layer and has a porous layer including an electron conductive ceramics and an oxygen ion conductive ceramics, the porous layer of the cathode being impregnated with a cathode catalyst.

公开(公告)号：US12094659B2

公开(公告)日：2024-09-17

申请号：US17549589

申请日：2021-12-13

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Shin Nishiura ,  Jun Shibano

IPC: H01G4/232 ,  H01G4/248 ,  H01G4/30

CPC classification number: H01G4/2325 ,  H01G4/248 ,  H01G4/30

Abstract: A ceramic electronic component has an element body having a dielectric and internal electrodes, and external electrodes formed on the element body. Each of the external electrodes has an electrical conductive layer connected to the internal electrodes. The electrical conductive layer has an outer side and an inner side. The outer side is farther from the element body than the inner side. The outer side includes more voids than the inner side.