公开(公告)号：US20240355547A1

公开(公告)日：2024-10-24

申请号：US18230854

申请日：2023-08-07

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seok Hyun YOON ,  Hyung Soon KWON ,  In Ho JEON ,  Byung Ho LEE ,  Mi Yang KIM

IPC: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/12

CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/1227

Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body, wherein the dielectric layer includes a rare earth element, a secondary phase of the rare earth element and a dielectric grain, wherein, when an average thickness of the dielectric layer is defined as td and a maximum size of the dielectric layer of a secondary phase of the rare earth element in the thickness direction is defined as D, the dielectric layer includes two or more secondary phases of a rare earth element satisfying D/td≤0.2.

公开(公告)号：US20240234032A1

公开(公告)日：2024-07-11

申请号：US18136418

申请日：2023-04-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Bon Hyeong KOO ,  Seok Hyun YOON ,  In Ho JEON ,  Byung Kil YUN ,  Se Yong KIM ,  Min Jung JANG ,  Geon Hoi KIM

IPC: H01G4/12 ,  C04B35/626 ,  H01G4/008 ,  H01G4/012 ,  H01G4/30

CPC classification number: H01G4/1227 ,  C04B35/6262 ,  H01G4/008 ,  H01G4/012 ,  H01G4/30

Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and an external electrode disposed on the body, wherein the dielectric layer includes dielectric grains, wherein at least one of the dielectric grains includes a twin boundary, and wherein the dielectric layer includes a region in which a sum of lengths of the twin boundaries included in a 2 μm×2 μm region is 1.49 μm or more.

公开(公告)号：US20240242888A1

公开(公告)日：2024-07-18

申请号：US18224709

申请日：2023-07-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Byung Kil YUN ,  Seok Hyun YOON ,  Jin Woo KIM ,  In Ho JEON ,  Bon Hyeong KOO ,  Se Yong KIM ,  Min Jung JANG ,  Geon Hoi KIM ,  Hyo Ju LEE

IPC: H01G4/30 ,  H01G4/12

CPC classification number: H01G4/30 ,  H01G4/1227

Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and an external electrode disposed on the body, wherein the dielectric layer includes a boundary portion, a region adjacent to a boundary with the internal electrode, and wherein the boundary portion includes a region satisfying an atomic ratio: 1.0%≤Sn/(Ba+Ti+Sn)≤1.5%.

公开(公告)号：US20240153705A1

公开(公告)日：2024-05-09

申请号：US18242833

申请日：2023-09-06

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： In Ho JEON ,  Seok Hyun YOON ,  Jin Woo KIM ,  Byung Kil YUN ,  Bon Hyeong KOO ,  Min Jung JANG ,  Mi Yang KIM

IPC: H01G4/12 ,  H01G4/008 ,  H01G4/012 ,  H01G4/30

CPC classification number: H01G4/1227 ,  H01G4/0085 ,  H01G4/012 ,  H01G4/30

Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode disposed alternately with the dielectric layer; and an external electrode disposed on the body, wherein the dielectric layer includes a first region extending from an interfacial surface with the internal electrode to 50 nm of the dielectric layer in an inward direction and a second region excluding the first region, and wherein, in the first region, an average content of In based on overall elements excluding oxygen is 0.5 at % or more and 2.0 at % or less, and an average content of Sn based on overall elements excluding oxygen is 0.5 at % or more and 1.75 at % or less.

公开(公告)号：US20220375688A1

公开(公告)日：2022-11-24

申请号：US17523212

申请日：2021-11-10

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seok Hyun YOON ,  Jin Woo KIM ,  In Ho JEON ,  Joo Hee LEE

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

Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode, wherein the dielectric layer includes first and second grains, wherein the first grain has a core-shell structure including a shell having an atomic ratio of 2*Sn/(Ba+Ti+Sn) or 2*Hf/(Ba+Ti+Hf) to be 1.0% or more and 5.0% or less, and a core having an atomic ratio of 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) to be less than 1.0%, and the second grain has an atomic ratio of 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) to be less than 1.0%, and wherein an area occupied by the first grain in an entire area of the first and second grains is 28.3-82.3%.