Electronic component

Patent metadata

Field	Value
Publication number	US-2018090260-A1
Application number	US-201715683095-A
Country	US
Kind code	A1
Filing date	Aug 22, 2017
Priority date	Sep 26, 2016
Publication date	Mar 29, 2018
Grant date	—

Abstract

An electronic component having a laminated body made up of a plurality of laminated insulator layers and having an upper surface and a bottom surface. A plurality of inner conductors is disposed on the insulator layers in the laminated body. A plurality of terminal electrodes is electrically connected to the plurality of inner conductors. The plurality of terminal electrodes each is exposed on a bottom surface side of the laminated body. Some or all of the plurality of terminal electrodes constitute a terminal electrode unit. The terminal electrode unit includes a first terminal electrode and a plurality of second terminal electrodes arranged around the first terminal electrode at substantially the same intervals from the first terminal electrode.

First claim

1 . An electronic component comprising:
a laminated body made up of a plurality of laminated insulator layers and having an upper surface and a bottom surface; a plurality of inner conductors disposed on the insulator layers in the laminated body; and a plurality of terminal electrodes electrically connected to the plurality of inner conductors, the plurality of terminal electrodes each being exposed on a bottom surface side of the laminated body, some or all of the plurality of terminal electrodes constituting a first terminal electrode unit, the first terminal electrode unit including a first terminal electrode and a plurality of second terminal electrodes arranged around the first terminal electrode at substantially the same intervals from the first terminal electrode.

2 . The electronic component according to claim 1 , wherein
out of the plurality of terminal electrodes, some or all of the remaining terminal electrodes not constituting the first terminal electrode unit constitute a second terminal electrode unit, and wherein the second terminal electrode unit includes a third terminal electrode and a plurality of fourth terminal electrodes arranged around the third terminal electrode at substantially the same intervals from the third terminal electrode.

3 . The electronic component according to claim 1 , wherein in a planar view of the bottom surface, the first terminal electrode and the plurality of second terminal electrodes each have a polygonal shape, and wherein each of the plurality of second terminal electrodes and the first terminal electrode have sides facing each other and are disposed such that positions minimizing an interval therebetween are located on the facing sides.

4 . The electronic component according to claim 1 , wherein in a planar view of the bottom surface, the first terminal electrode and the plurality of second terminal electrodes each have a polygonal shape, and wherein at least one corner portion has a round shape among corner portions of the first terminal electrode facing the second terminal electrodes and corner portions of the second terminal electrodes facing the first terminal electrode.

5 . The electronic component according to claim 1 , wherein a plurality of recesses is formed on the bottom surface of the laminated body, and wherein the terminal electrodes are formed on wall surfaces of the plurality of recesses.

6 . The electronic component according to claim 5 , wherein
out of the plurality of terminal electrodes, some or all of the remaining terminal electrodes not constituting the first terminal electrode unit constitute a second terminal electrode unit, and wherein the second terminal electrode unit includes a third terminal electrode and a plurality of fourth terminal electrodes arranged around the third terminal electrode at substantially the same intervals from the third terminal electrode.

7 . The electronic component according to claim 1 , wherein the plurality of inner conductors constitutes at least two or more elements selected from the group consisting of a coil, a capacitor, and a resistor.

8 . The electronic component according to claim 1 , wherein the first terminal electrode is a ground terminal electrode.

9 . The electronic component according to claim 1 , wherein the plurality of second terminal electrodes is arranged at four corners of the bottom surface of the laminated body.

10 . The electronic component according to claim 9 , wherein the first terminal electrode is disposed at the center of the bottom surface of the laminated body.

11 . The electronic component according to claim 10 , wherein the first terminal electrode is a ground terminal electrode, and wherein the second terminal electrodes are signal terminal electrodes.

12 . The electronic component according to claim 11 , wherein
the plurality of inner conductors includes a coil conductor wound on the insulator layers and a capacitor conductor disposed in a plate shape on the insulator layers, and wherein the signal terminal electrodes are connected to the coil conductor while the ground terminal electrode is connected to the capacitor conductor.

13 . The electronic component according to claim 8 , wherein the second terminal electrodes arranged at the four corners are formed on wall surfaces of cutout portions formed at the four corners of the bottom surface of the laminated body.

14 . The electronic component according to claim 1 , wherein the plurality of terminal electrodes are exposed only on the bottom surface of the laminated body.

Assignees

• Murata Manufacturing Co

Inventors

• Ishida Kosuke
• Fukushima Hiromu

Classifications

• H01G4/40

  Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations · CPC title

• H01G4/232

  electrically connecting two or more layers of a stacked or rolled capacitor · CPC title

• H01G4/012

  Form of non-self-supporting electrodes · CPC title

• H01G4/228

  Terminals · CPC title

• H01F27/2804 Primary

  Printed windings · CPC title