公开(公告)号：US20190066926A1

公开(公告)日：2019-02-28

申请号：US16116333

申请日：2018-08-29

Applicant: TDK CORPORATION

Inventor： Toru ONOUE ,  Fumiaki SATOH ,  Takuto OKAMOTO

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

Abstract: An element body of a rectangular parallelepiped shape has a length in a width direction larger than a length in a height direction and has a length in a longitudinal direction larger than the length in the width direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a depression having a length in the longitudinal direction larger than a length in the height direction.

公开(公告)号：US20210257160A1

公开(公告)日：2021-08-19

申请号：US17160531

申请日：2021-01-28

Applicant: TDK CORPORATION

Inventor： Daisuke YOSHIDA ,  Hikaru HIRABAYASHI ,  Yuki TAKAHASHI ,  Takuto OKAMOTO ,  Masato KIMURA

IPC: H01G4/012 ,  H01G4/30 ,  H01G4/232 ,  H01G4/12 ,  H01G4/008

Abstract: A multilayer capacitor 1 includes an element body 3, an external electrode 5, and a plurality of internal electrodes 7 and 9. The plurality of internal electrodes 7 and 9 include electrode portions 7a and 9a disposed to face other internal electrodes and connecting portions 7b and 9b connecting the electrode portions 7a and 9a to the external electrode 5. The connecting portions 7b and 9b of the internal electrodes 7 and 9 are positioned in a region corresponding to an end surface 3e when viewed from a direction perpendicular to the end surface 3e. The electrode portions 7a and 9a of the internal electrodes 7 and 9 have portions overlapping a region corresponding to an edge line surfaces 3g and 3i when viewed from the direction perpendicular to the end surface 3e.

公开(公告)号：US20180286583A1

公开(公告)日：2018-10-04

申请号：US15903976

申请日：2018-02-23

Applicant: TDK CORPORATION

Inventor： Toru ONOUE ,  Daisuke HIMETA ,  Hikaru HIRABAYASHI ,  Fumiaki SATOH ,  Yuma HATTORI ,  Takuto OKAMOTO

IPC: H01G4/01 ,  H01G4/35 ,  H01G4/30

CPC classification number: H01G4/35 ,  H01G4/012 ,  H01G4/12 ,  H01G4/232 ,  H01G4/2325 ,  H01G4/30

Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.

公开(公告)号：US20180082792A1

公开(公告)日：2018-03-22

申请号：US15703632

申请日：2017-09-13

Applicant: TDK CORPORATION

Inventor： Fumiaki SATOH ,  Takehisa TAMURA ,  Yuma HATTORI ,  Toru ONOUE ,  Daisuke HIMETA ,  Ken MORITA ,  Takuto OKAMOTO

IPC: H01G4/35 ,  H01G4/228 ,  H01G4/005 ,  H01G4/12

CPC classification number: H01G4/35 ,  H01G2/06 ,  H01G4/005 ,  H01G4/12 ,  H01G4/228 ,  H01G4/232 ,  H01G4/2325 ,  H01G4/30

Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the third direction is shorter than that of the element body in the first direction and is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. Each of the first external electrodes includes a first conductor part disposed on one main surface and a second conductor part disposed on the end surface and coupled to the first conductor part. The porosity of the first conductor part is smaller than that of the second conductor part.

公开(公告)号：US20210257161A1

公开(公告)日：2021-08-19

申请号：US17161217

申请日：2021-01-28

Applicant: TDK CORPORATION

Inventor： Daisuke YOSHIDA ,  Yuki TAKAHASHI ,  Hikaru HIRABAYASHI ,  Takuto OKAMOTO ,  Masato KIMURA

IPC: H01G4/012 ,  H01G4/30 ,  H01G4/232 ,  H01G4/12 ,  H01G4/008

Abstract: A multilayer capacitor includes an element body, an external electrode, and a plurality of internal electrodes, and a relationship of R1

公开(公告)号：US20190066925A1

公开(公告)日：2019-02-28

申请号：US16115890

申请日：2018-08-29

Applicant: TDK CORPORATION

Inventor： Fumiaki SATOH ,  Toru ONOUE ,  Takuto OKAMOTO

IPC: H01G4/248 ,  H01G4/232 ,  H01G4/012

Abstract: An element body of a rectangular parallelepiped shape has a length in a height direction larger than a length in a width direction and has a length in a longitudinal direction larger than the length in the height direction. A terminal electrode is disposed at an end of the element body in the width direction and extends in the longitudinal direction. The element body includes a pair of principle surfaces opposing each other in the height direction, a pair of end surfaces opposing each other in the longitudinal direction, and a pair of side surfaces opposing each other in the width direction. The terminal electrode includes a conductor disposed on the side surface. The conductor includes a protrusion having a length in the longitudinal direction larger than a length in the height direction.

公开(公告)号：US20180082793A1

公开(公告)日：2018-03-22

申请号：US15703724

申请日：2017-09-13

Applicant: TDK CORPORATION

Inventor： Fumiaki SATOH ,  Takehisa TAMURA ,  Yuma HATTORI ,  Toru ONOUE ,  Daisuke HIMETA ,  Ken MORITA ,  Takuto OKAMOTO

IPC: H01G4/35 ,  H01G4/228 ,  H01G4/12 ,  H01G4/005

Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. A second external electrode is disposed on the element body and positioned between the pair of first external electrodes. The second external electrode includes a first conductor part disposed on the first side surface. A depression is formed in the first conductor part.