公开(公告)号：US20240326092A1

公开(公告)日：2024-10-03

申请号：US18621849

申请日：2024-03-29

Applicant: TDK Corporation

Inventor： Shigeru KANEKO ,  Chris T. BURKET

IPC: B06B1/06 ,  B06B1/02

CPC classification number: B06B1/0648 ,  B06B1/0207

Abstract: Disclosed herein is a vibration device that includes: a coil; a drive circuit generating, based on induction electromotive force of the coil, a drive signal having a predetermined frequency; a piezoelectric element supplied with the drive signal; and a metal plate having a recess. The piezoelectric element is accommodated in the recess of the metal plate and stuck to a bottom surface of the recess through an adhesive.

公开(公告)号：US20200274392A1

公开(公告)日：2020-08-27

申请号：US16802372

申请日：2020-02-26

Applicant: TDK Corporation

Inventor： Noritaka CHIYO ,  Toshio TOMONARI ,  Shigeru KANEKO ,  Shigenori HIRATA ,  Akihito WATANABE ,  Hirohumi ASOU ,  Junpei HAYAMA ,  Shigeki OHTSUKA ,  Takahiro OHISHI ,  Takaaki IMAI ,  Tomohiro MORIKI ,  Takakazu MARUYAMA

IPC: H02J50/10 ,  H04B5/00 ,  H01F5/04 ,  H01F27/28

Abstract: Disclosed herein is a coil component that includes a first coil pattern wound in a planar spiral shape . At least one turn constituting the first coil pattern is divided into a plurality of lines by a spiral slit, and a space width between the plurality of lines differs depending on a planar position.

公开(公告)号：US20190148053A1

公开(公告)日：2019-05-16

申请号：US16185448

申请日：2018-11-09

Applicant: TDK CORPORATION

Inventor： Shigeru KANEKO ,  Toshio TOMONARI ,  Junpei HAYAMA ,  Tomohiro MORIKI ,  Noritaka CHIYO

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/00

Abstract: Disclosed herein is a coil component that includes a first coil part spirally wound in a plurality of turns, the first coil part including a first turn positioned at an innermost periphery and a second turn positioned on an outer peripheral side relative to the first turn; and a second coil part spirally wound in a plurality of turns, the second coil part including a third turn positioned at an innermost periphery and a fourth turn positioned on an outer peripheral side relative to the third turn. The first turn and the fourth turn are connected to each other, and the second turn and the third turn are connected to each other.

公开(公告)号：US20190115137A1

公开(公告)日：2019-04-18

申请号：US16159523

申请日：2018-10-12

Applicant: TDK CORPORATION

Inventor： Shigeru KANEKO ,  Toshio TOMONARI

IPC: H01F17/00 ,  H01F27/28 ,  H01F27/29 ,  H01F41/061 ,  H01F41/04

Abstract: Disclosed herein is a coil component that includes a substrate having a first surface and a first spiral coil spirally wound in a plurality of turns formed on the first surface of the substrate. Each of the turns has a first circumference region in which a radial position is substantially fixed and a first shift region in which a radial position is shifted. Each of inner and outer peripheral ends of the first spiral coil is positioned at the first shift region.