公开(公告)号：US20240203657A1

公开(公告)日：2024-06-20

申请号：US18384972

申请日：2023-10-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jin Soo PARK ,  Byung Jun JEON ,  Chul Seung LEE

IPC: H01G4/232 ,  H01G4/30

CPC classification number: H01G4/2325 ,  H01G4/30 ,  H01G4/012

Abstract: A multilayer electronic component includes a body including a dielectric layer and first and second internal electrodes and including first and second surfaces, third and fourth surfaces, and fifth and sixth surfaces, a first external electrode including a 1-1-th electrode layer disposed on the third surface, and a 1-2-th electrode layer disposed on the first and second surfaces, a second external electrode including a 2-1-th electrode layer disposed on the fourth surface, and a 2-2-th electrode layer disposed on the first and second surfaces, wherein S1-2>S1-1, T1-2≤8 μm, S2-2>S2-1, and T2-2≤8 μm where based on a cross section of the first and second external electrodes, S1-1, S1-2, S2-1, S2-2 are fractions of an area occupied by glass in the 1-1-th, 1-2-th, 2-1-th, and 2-2-th electrode layers, respectively, T1-2 and T2-2 are thicknesses of the 1-2-th and 2-2-th electrode layers, respectively.

公开(公告)号：US20240186069A1

公开(公告)日：2024-06-06

申请号：US18370201

申请日：2023-09-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kangha LEE ,  Jin Soo PARK ,  Yoona PARK ,  So Eun CHOI ,  Eun Byeol CHOI ,  Chul Seung LEE

IPC: H01G4/232 ,  H01G4/012 ,  H01G4/30

CPC classification number: H01G4/2325 ,  H01G4/012 ,  H01G4/30

Abstract: An external electrode of a multilayer electronic component includes a base electrode layer and a corner electrode layer disposed at a corner of a body and disposed on the base electrode layer, wherein an area ratio of metal of the corner electrode layer is 90% or more.

公开(公告)号：US20230411074A1

公开(公告)日：2023-12-21

申请号：US17983776

申请日：2022-11-09

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Eui Hyun JO ,  Jin Soo PARK ,  Chul Seung LEE ,  Byung Jun JEON ,  Hyung Jong CHOI ,  Hyun Hee GU ,  Woo Kyung SUNG ,  Myung Jun PARK

IPC: H01G4/008 ,  H01G4/30

CPC classification number: H01G4/0085 ,  H01G4/30

Abstract: A multilayer electronic component includes a body including a plurality of dielectric layers and an internal electrode including a conductive material, and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a Sn diffusion portion including Sn in a region connected to the external electrode, and a ratio of an average number of atoms of the Sn compared to an average number of atoms of the conductive material other than the Sn of the internal electrode included in the Sn diffusion portion is 3% or more and 50% or less.

公开(公告)号：US20240177934A1

公开(公告)日：2024-05-30

申请号：US18368771

申请日：2023-09-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Yoona PARK ,  Ji Hye HAN ,  Kangha LEE ,  Chul Seung LEE

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

CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/12

Abstract: A multilayer electronic component, in which a first external electrode may include a 1-2-th electrode layer including glass, and a 1-3-th electrode layer disposed on the first and second surfaces and a second external electrode may include a 2-2-th electrode layer including glass, and a 2-3-th electrode layer disposed on the first and second surfaces. In cross sections of the first and second external electrodes in the first and second directions, when an area fraction occupied by glass in the 1-2-th electrode layer is S1-2, an area fraction occupied by glass in the 1-3-th electrode layer is S1-3, an area fraction occupied by glass in the 2-2-th electrode layer is S2-2, and an area fraction occupied by glass in the 2-3-th electrode layer is S2-3, S1-2≥15%, S1-2≥S1-3, S2-2≥15%, S2-2>S2-3 are satisfied, thereby preventing cracks and improving moisture resistance reliability.

公开(公告)号：US20240177933A1

公开(公告)日：2024-05-30

申请号：US18375311

申请日：2023-09-29

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kangha LEE ,  Yoona PARK ,  So Eun CHOI ,  Eun Byeol CHOI ,  Chul Seung LEE

IPC: H01G4/232 ,  H01G4/30

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

Abstract: A multilayer electronic component, in which the first external electrode may include the 1-1-th electrode layer disposed on the third surface, and the 1-2-th electrode layer disposed on the first and second surfaces, and the second external electrode may include the 2-1-th electrode layer disposed on the fourth surface and the 2-2-th electrode layer disposed on the first and second surfaces, wherein the 1-2-th electrode layer and the 2-2-th electrode layer include Cu and a first additive element having a content lower than a content of the Cu, the contents of the first additive element included in the 1-2-th electrode layer and the 2-2-th electrode layer are greater than the contents of the first additive element included in the 1-1-th electrode layer and the 2-1-th electrode layer, respectively, and the first additive element is at least one selected from Ag and Al, thereby preventing cracks and improving moisture resistance reliability.

公开(公告)号：US20190304700A1

公开(公告)日：2019-10-03

申请号：US16444350

申请日：2019-06-18

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Min Hee HONG ,  Chul Seung LEE ,  Won Seh LEE ,  Doo Young KIM ,  Chang Hoon KIM ,  Jae Yeol CHOI ,  Hyeun Tea YOON

IPC: H01G4/30 ,  H01G4/232 ,  H01G4/008 ,  H01G4/12

Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.