公开(公告)号：US20240313386A1

公开(公告)日：2024-09-19

申请号：US18588169

申请日：2024-02-27

Applicant: TDK CORPORATION

Inventor： Keigo SHIBUYA ,  Yuta ASHIDA ,  Misako KUDO ,  Tatsuya KOYAMA ,  Ryosuke KOMATSU ,  Masahiro TATEMATSU

IPC: H01P7/06

CPC classification number: H01P7/06

Abstract: An electronic component includes an element body having a pair of main surfaces facing each other, and a resonator disposed in the element body. The resonator has a first conductor and a second conductor disposed to face each other in a facing direction of the pair of main surfaces, and a coupling conductor extending in the facing direction and coupling the first conductor and the second conductor. A resonance space is formed by the first conductor, the second conductor, and the coupling conductor. The coupling conductor includes a plurality of coupling portions. At least a part of the plurality of coupling portions extends in one direction when viewed from the facing direction.

公开(公告)号：US20240312701A1

公开(公告)日：2024-09-19

申请号：US18405482

申请日：2024-01-05

Applicant: TDK Corporation

Inventor： Keigo SHIBUYA ,  Yuta ASHIDA ,  Misako KUDO ,  Tatsuya Koyama ,  Ryosuke KOMATSU ,  Masahiro TATEMATSU

IPC: H01F27/40 ,  H01F27/29 ,  H01G4/30 ,  H01G4/40

CPC classification number: H01F27/40 ,  H01F27/292 ,  H01G4/30 ,  H01G4/40

Abstract: An electronic component includes an element body formed by laminating a plurality of insulating layers, and a resonator disposed in the element body. The resonator includes a first conductor and a second conductor extending in a stacking direction of the plurality of insulating layers, and inductor conductors electrically connecting the first conductor and the second conductor. In at least one conductor of the first conductor and the second conductor, when the conductor is viewed from the stacking direction, a first length in one direction is longer than a second length in the other direction orthogonal to the one direction, and as viewed from the stacking direction, a direction in which the first conductor and the second conductor are arranged is orthogonal to the one direction.

公开(公告)号：US20220209380A1

公开(公告)日：2022-06-30

申请号：US17556559

申请日：2021-12-20

Applicant: TDK CORPORATION

Inventor： Honoka ATSUCHI ,  Yuta ASHIDA ,  Longfei YI ,  Yoshinori MATSUMARU ,  Shuhei SAWAGUCHI ,  Masahiro TATEMATSU ,  Shigemitsu TOMAKI

IPC: H01P1/20

Abstract: A band-pass filter includes a first input/output port, a second input/output port, a plurality of resonators, and a multilayer stack. The multilayer stack includes a plurality of stacked dielectric layers. Each of the resonators is an open-ended resonator formed of a conductor line in the multilayer stack. Each of the resonators includes a resonator conductor portion including a first line part and a second line part located away from each other in a direction orthogonal to a stacking direction of the plurality of dielectric layers, and a third line part connecting the first line part and the second line part. The first to third line parts extend to surround a space between the first line part and the second line part.

公开(公告)号：US20210344320A1

公开(公告)日：2021-11-04

申请号：US17242053

申请日：2021-04-27

Applicant: TDK CORPORATION

Inventor： Shuhei SAWAGUCHI ,  Yuta ASHIDA ,  Masahiro TATEMATSU ,  Yoshinori MATSUMARU ,  Shigemitsu TOMAKI

IPC: H03H7/01

Abstract: A band-pass filter includes an unbalanced port, a first balanced port, a second balanced port, and first to third resonators provided between the unbalanced port and the first and second balanced ports. The second resonator and the third resonator each are a resonator with both ends open. The second resonator and the third resonator are adjacent to each other in a circuit configuration, and electromagnetically coupled by magnetic coupling as main coupling. The first resonator is provided closer to the second resonator than to the third resonator, and jump-coupled to the third resonator.

公开(公告)号：US20210328317A1

公开(公告)日：2021-10-21

申请号：US17362140

申请日：2021-06-29

Applicant: TDK CORPORATION

Inventor： Yuta ASHIDA ,  Noriyuki HIRABAYASHI ,  Shigemitsu TOMAKI

IPC: H01P1/203 ,  H01P1/205 ,  H03H7/01

Abstract: A multilayered filter device includes a multilayer stack, a band pass filter, a first band elimination filter, and a second band elimination filter. The band pass filter and the first and second band elimination filters are each constructed using the multilayer stack. The band pass filter includes a plurality of first resonators with open ends. Each band elimination filter includes a connection path, and a second resonator coupled to the connection path. The connection path includes an impedance transformer. The second resonator includes a conductor line constituting a distributed constant line.

公开(公告)号：US20180226934A1

公开(公告)日：2018-08-09

申请号：US15877534

申请日：2018-01-23

Applicant: TDK CORPORATION

Inventor： Yuta ASHIDA ,  Naoki SOTOMA ,  Shigemitsu TOMAKI ,  Yasuyuki HIWATASHI

IPC: H03H1/00 ,  H03H7/01

CPC classification number: H03H1/00 ,  H01P1/2088 ,  H03H7/01 ,  H03H2001/0021 ,  H04W84/042

Abstract: A band-pass filter includes a main body formed of a dielectric, a plurality of resonators, a shield, and a partition formed of a conductor. Each of the plurality of resonators includes a resonator conductor portion. The resonator conductor portion has a first end and a second end opposite to each other in the longitudinal direction. The first end is connected to a ground, and the second end is open. The partition extends to pass through between the respective resonator conductor portions of two resonators, and is electrically connected to the shield.

公开(公告)号：US20170365902A1

公开(公告)日：2017-12-21

申请号：US15620053

申请日：2017-06-12

Applicant: TDK CORPORATION

Inventor： Yuta ASHIDA ,  Kazunari KIMURA ,  Shigemitsu TOMAKI

IPC: H01P1/20 ,  H01P7/10

CPC classification number: H01P1/2002 ,  H01P1/20309 ,  H01P1/2084 ,  H01P7/10

Abstract: A dielectric filter includes: a resonator body formed of dielectric material; surrounding dielectric portion present around the resonator body and formed of dielectric material having a relative permittivity lower than the dielectric material used to form the resonator body; and an input/output conductor portion formed of a conductor and configured to perform at least one supply of an electromagnetic wave to the resonator body and reception of an electromagnetic wave from the resonator body. The resonator body has a first end face and a second end face located at opposite ends in a first direction. The input/output conductor portion is located either at least part of the input/output conductor portion is contained in a space formed by shifting a virtual plane corresponding to the first end face in the first direction away from the second end face, or the input/output conductor portion is in contact with the space.