公开(公告)号：US20250030044A1

公开(公告)日：2025-01-23

申请号：US18714724

申请日：2022-10-28

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Masashi SEKIGUCHI ,  Daigo ITO

IPC: H01M10/0562 ,  H01M4/02 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0585

Abstract: An all solid battery includes a solid electrolyte layer including a first solid electrolyte, a positive electrode layer provided on a first main face of the solid electrolyte layer and including a positive electrode active material and a second solid electrolyte, and a negative electrode layer provided on a second main face and including a negative electrode active material and a third solid electrolyte. In one of the positive electrode layer or the negative electrode layer, an average grain size of the second or the third solid electrolyte is 2.5 μm or less, and an average grain size ratio of an average rain size of the positive electrode active material to an average grain size of the second solid electrolyte or an average grain size ratio of the negative electrode active material to an average grain size of the third solid electrolyte is 0.4 or more and 10 or less.

公开(公告)号：US12191086B2

公开(公告)日：2025-01-07

申请号：US18114539

申请日：2023-02-27

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yuji Tsushima ,  Yasuhiro Matsumoto ,  Koichiro Morita

IPC: H01G4/30 ,  H01G4/012 ,  H01G4/248

Abstract: A multilayer ceramic device includes a multilayer chip. The multilayer chip has a capacity section, a side margin and an intermediate portion. The intermediate portion is provided between the capacity section and the side margin. An A/B ratio is larger in the side margin than in the capacity section, and is smaller in the intermediate portion than in the capacity section.

公开(公告)号：US20250006431A1

公开(公告)日：2025-01-02

申请号：US18743981

申请日：2024-06-14

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Ayumi MATSUOKA

IPC: H01G4/30 ,  H01G4/008 ,  H01G4/12 ,  H01G4/40

Abstract: Provided is a laminated ceramic capacitor having a capacitance less reduced by a sintering agent. A laminated ceramic capacitor according to one aspect includes a body having first and second internal electrode layers and a ceramic layer disposed therebetween. The ceramic layer is formed from ceramic material containing a sintering agent composed mainly of a sintering agent element. The first internal electrode layer includes a first electrode part and a first non-electrode part. The second internal electrode layer includes a second electrode part and a second non-electrode part. The first and second non-electrode parts each have a segregated part containing the sintering agent element. In a cross-section of the body, a ratio of a second area to a first area is 35% or lower, the first area representing a sum of areas of the first and second internal electrode layers, the second area representing an area of the segregated part.

公开(公告)号：US12183877B2

公开(公告)日：2024-12-31

申请号：US17321084

申请日：2021-05-14

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Sachie Tomizawa ,  Daigo Ito

IPC: H01M10/0562

Abstract: An all solid battery includes a multilayer chip in which plurality of internal electrodes are alternately exposed to two side faces. A thickness SE of a solid electrolyte layer is 1 μm or more and 50 μm or less in an intersection portion in which two internal electrodes next to each other connected to different external electrodes overlap with each other. Thicknesses EL1 and EL2 of the two internal electrodes are 1 μm or more and 200 μm or less. In one of two non-intersection portions, a length EM from one of the pair of external electrodes contacting the one of the two non-intersection portions to an internal electrode spaced from the one of the pair of external electrodes in a distance direction is 50 μm or more and 800 μm or less. EM/(SE+EL1/4+EL2/4) is 20 or less.

公开(公告)号：US20240426973A1

公开(公告)日：2024-12-26

申请号：US18829815

申请日：2024-09-10

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Hiroyuki KAMO

IPC: G01S7/03 ,  G01S13/32 ,  G01S13/46 ,  G01S13/48

Abstract: A high frequency system includes an antenna that transmits a high frequency electromagnetic wave vertically polarized with respect to a floor to an object and receives the electromagnetic wave reflected by the object, and a first dielectric layer provided on an uppermost layer of the floor in a region including a portion where the electromagnetic wave is reflected in a path of the electromagnetic wave between the antenna and the object, the first dielectric layer having a relative dielectric constant of 2 or more and 6 or less at a frequency of the electromagnetic wave, wherein the electromagnetic wave propagating through the first dielectric layer is reflected under the first dielectric layer, and a distance between the antenna and the object in a direction parallel to a plane including an upper surface of the first dielectric layer at the portion is 10 m or less.

公开(公告)号：US12170174B2

公开(公告)日：2024-12-17

申请号：US18158736

申请日：2023-01-24

Applicant: Taiyo Yuden Co., Ltd.

Inventor： Hiroaki Sato

IPC: H01G4/30 ,  H01G2/06 ,  H01G4/12 ,  H01G4/224 ,  H01G4/232 ,  H05K1/18 ,  H05K3/34

Abstract: A multi-layer ceramic electronic component includes: a ceramic body that includes internal electrodes laminated in a first direction, and a pair of main surfaces including a center region facing in the first direction; and a pair of external electrodes connected to the internal electrodes and facing each other in a second direction orthogonal to the first direction, a dimension of the ceramic body in the first direction being 1.1 times or more and 1.6 times or less a dimension of the ceramic body in a third direction orthogonal to the first direction and the second direction, the center region being formed at a center portion of at least one of the pair of main surfaces in the second direction.

公开(公告)号：US20240405262A1

公开(公告)日：2024-12-05

申请号：US18659721

申请日：2024-05-09

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Takafumi SHIMIZU

IPC: H01M10/0562 ,  H01M4/62

Abstract: An all solid battery includes a solid electrolyte layer, and an electrode layer that is provided on each of main faces of the solid electrolyte layer and includes an electrode active material and a conductive auxiliary agent. In a frequency distribution of grain size of the conductive auxiliary agent in a cross section of the electrode layer, two largest peaks, a first peak and a second peak, appear in a range of 5 nm or more and 130 nm or less. In a cumulative distribution of the grain size, a portion appears between the first peak and the second peak where a slope is 0.7 or less (%/nm).

公开(公告)号：US20240404754A1

公开(公告)日：2024-12-05

申请号：US18679359

申请日：2024-05-30

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yamato SASAKI ,  Mika NISHIZAWA

IPC: H01G4/12 ,  C04B35/468 ,  H01G4/30

Abstract: A dielectric ceramic composition includes a first crystal grain that has a perovskite structure expressed by a general formula of BaTiO3, and has a core portion and a shell portion surrounding the core portion and including dysprosium, and a second crystal grain in which an elemental ratio of barium to titanium is 0.70 or less and a main component is barium titanate composite oxide. An elemental ratio of barium to titanium of the dielectric ceramic composition is 0.90 or more and 0.98 or less.

公开(公告)号：US12159741B2

公开(公告)日：2024-12-03

申请号：US17241665

申请日：2021-04-27

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Shinichi Kojo ,  Tomoo Kashiwa ,  Syunichi Ohno

IPC: H01F27/29 ,  H01F27/255

Abstract: According to one or more embodiments of the present invention, a coil element includes a base body, an internal conductor provided within the base body, a first external electrode electrically connected to one of ends of the internal conductor, and a second external electrode electrically connected to the other end of the internal conductor. The base body contains a plurality of metal magnetic particles, a resin portion between the metal magnetic particles and a void. The base body includes a first region and a second region surrounding the first region, and a second area void ratio of the second region is higher than a first area void ratio of the first region. The internal conductor is provided in the first region of the base body.

公开(公告)号：US12131870B2

公开(公告)日：2024-10-29

申请号：US18332176

申请日：2023-06-09

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Tomoki Sakai

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

CPC classification number: H01G4/30 ,  C04B35/468 ,  H01G2/065 ,  H01G4/008 ,  H01G4/012 ,  H01G4/1227 ,  C04B2235/66

Abstract: A multi-layer ceramic electronic component includes: a ceramic body including internal electrodes laminated and drawn to a surface of the ceramic body; and an external electrode including: a base film disposed on the surface of the ceramic body, connected to the internal electrodes, 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.