公开(公告)号：US20230307163A1

公开(公告)日：2023-09-28

申请号：US18166071

申请日：2023-02-08

Applicant: TDK Corporation

Inventor： Munehiro TAKAKU ,  Nobuyuki OKUZAWA ,  Kazuya TOBITA ,  Teruhiro MITSUYASU

IPC: H01F5/04 ,  H01F27/29 ,  H01F27/28 ,  H01F41/10

CPC classification number: H01F5/04 ,  H01F27/292 ,  H01F27/2804 ,  H01F41/10

Abstract: A multilayer coil component 1 includes an element body, a first terminal electrode, a second terminal electrode, a coil, a first connecting conductor, and a second connecting conductor, the coil includes first wiring portions, second wiring portions, and pillar portions, and lengths of the pillar portions in a first direction are longer than lengths of the pillar portions in a third direction.

公开(公告)号：US20230230757A1

公开(公告)日：2023-07-20

申请号：US18153690

申请日：2023-01-12

Applicant: TDK CORPORATION

Inventor： Nobuyuki OKUZAWA ,  Munehiro TAKAKU ,  Kazuya TOBITA ,  Teruhiro MITSUYASU

IPC: H01F27/29 ,  H01F27/28

CPC classification number: H01F27/292 ,  H01F27/2804 ,  H01F2027/2809

Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a first wiring portion, a second wiring portion, and a pillar portion, the pillar portion has a first pillar member and a second pillar member alternately laminated in a second direction, and an area of a first surface and an area of a second surface of the first pillar member are larger than an area of a first surface and an area of a second surface of the second pillar member, or smaller than the area of the first surface and the area of the second surface of the second pillar member.

公开(公告)号：US20230230756A1

公开(公告)日：2023-07-20

申请号：US18153659

申请日：2023-01-12

Applicant: TDK CORPORATION

Inventor： Nobuyuki OKUZAWA ,  Munehiro TAKAKU ,  Kazuya TOBITA ,  Teruhiro MITSUYASU

IPC: H01F27/29 ,  H01F27/28 ,  H01F27/24

CPC classification number: H01F27/292 ,  H01F27/2804 ,  H01F27/24 ,  H01F2027/2809

Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a plurality of first wiring portions disposed on a main surface side and disposed side by side in a third direction, a plurality of second wiring portions disposed on a mounting surface side and disposed side by side in the third direction, and a plurality of first pillar portions and second pillar portions that extend in a second direction and connect the first wiring portion with the second wiring portion which correspond to each other, and a width of the second wiring portion in the third direction is smaller than a width of the first wiring portion in the third direction.

公开(公告)号：US20230307164A1

公开(公告)日：2023-09-28

申请号：US18166262

申请日：2023-02-08

Applicant: TDK Corporation.

Inventor： Munehiro TAKAKU ,  Nobuyuki OKUZAWA ,  Kazuya TOBITA ,  Teruhiro MITSUYASU

IPC: H01F5/04 ,  H01F27/29 ,  H01F27/28

CPC classification number: H01F5/04 ,  H01F27/2804 ,  H01F27/292

Abstract: Provided is a multilayer coil component including an element body, a first terminal electrode, a second terminal electrode, a coil, a first connecting conductor, and a second connecting conductor, wherein a length of each of the first connecting conductor and the second connecting conductor in a first direction is longer than lengths of pillar portions connected to the first connecting conductor and the second connecting conductor in the first direction and equal to or less than lengths of the first terminal electrode and the second terminal electrode in the first direction.

公开(公告)号：US20230207182A1

公开(公告)日：2023-06-29

申请号：US17969339

申请日：2022-10-19

Applicant: TDK CORPORATION

Inventor： Nobuyuki OKUZAWA ,  Kazuya TOBITA ,  Munehiro TAKAKU ,  Teruhiro MITSUYASU

IPC: H01F27/28 ,  H01F27/32 ,  H01F27/29 ,  H01F27/02

CPC classification number: H01F27/2823 ,  H01F27/327 ,  H01F27/292 ,  H01F27/022

Abstract: A multilayer coil component includes an element body including a main surface (a mounting surface) and a main surface, a pair of terminal electrodes disposed on the main surface of the element body, and a coil that is disposed in the element body and electrically connected to the pair of terminal electrodes, wherein the element body includes at least one element body layer containing a filler and at least one element body layer having a lower dielectric constant than the element body layer between a first wiring portion and the terminal electrodes.