Multilayer electronic component

Patent metadata

Field	Value
Publication number	US-9893703-B2
Application number	US-201514869205-A
Country	US
Kind code	B2
Filing date	Sep 29, 2015
Priority date	Nov 4, 2014
Publication date	Feb 13, 2018
Grant date	Feb 13, 2018

Abstract

A multilayer electronic component includes a body including one or more ceramic layers or magnetic layers; an inductor part including coil portions disposed in the body to be perpendicular to a lower surface of the body; a plurality of internal electrodes disposed in the body to be perpendicular to the lower surface of the body; and an input terminal, an output terminal, and a ground terminal disposed on the lower surface of the body. The body includes a first capacitor part and a second capacitor part having different levels of capacitance. The first and second capacitor parts each include at least two among the plurality of internal electrodes and at least one of the ceramic layers or magnetic layers is interposed therebetween.

First claim

What is claimed is:

1. A multilayer electronic component comprising:
a body including one or more ceramic layers or magnetic layers;
an inductor part including coil portions disposed in the body, the inductor part being perpendicular to a lower surface of the body;
a plurality of internal electrodes disposed in the body, the plurality of internal electrodes being perpendicular to the lower surface of the body; and
an input terminal, an output terminal, and a ground terminal disposed on the lower surface of the body,
wherein the body includes a first capacitor part and a second capacitor part having different levels of capacitance, the first and second capacitor parts each comprising at least two among the plurality of internal electrodes and at least one of the ceramic layers or magnetic layers interposed therebetween, and
the inductor part is connected in parallel with the first and second capacitor parts.

2. The multilayer electronic component of claim 1 , wherein each of the plurality of internal electrodes has a respective lead exposed to the lower surface of the body.

3. The multilayer electronic component of claim 1 , wherein the plurality of internal electrodes includes a plurality of first internal electrodes, a plurality of second internal electrodes, and a plurality of third internal electrodes,
the body includes at least two internal electrode units, each of which includes at least one of the plurality of first internal electrodes, at least one of the plurality of second internal electrodes, and at least one of the plurality of third internal electrodes, and
in each of the at least two internal electrode units, an area in which the first internal electrode and the third internal electrode overlap differs from an area in which the second internal electrode and the third internal electrode overlap.

4. The multilayer electronic component of claim 1 , wherein the plurality of internal electrodes includes a first internal electrode, a second internal electrode, and a third internal electrode,
the first capacitor part includes the first internal electrode and the third internal electrode, and
the second capacitor part includes the second internal electrode and the third internal electrode.

5. The multilayer electronic component of claim 4 , wherein the first capacitor part includes two or more first sub-capacitor parts having different areas in which the first internal electrode and the third internal electrode overlap.

6. The multilayer electronic component of claim 4 , wherein the second capacitor part includes two or more second sub-capacitor parts having different areas in which the second internal electrode and the third internal electrode overlap.

7. The multilayer electronic component of claim 1 , wherein the plurality of internal electrodes includes a first internal electrode, a second internal electrode, and a third internal electrode, and
the first internal electrode is connected to the input terminal, the second internal electrode is connected to the output terminal, and the third internal electrode is connected to the ground terminal.

8. The multilayer electronic component of claim 1 , wherein at least one of the ceramic layers or the magnetic layers includes one of the coil portions and one of the internal electrodes disposed thereon.

9. A multilayer electronic component comprising:
a body including one or more ceramic layers or magnetic layers;
an inductor part including coil portions disposed in the body, the inductor part being perpendicular to a lower surface of the body;
a plurality of internal electrodes disposed in the body, the plurality of internal electrodes being perpendicular to the lower surface of the body; and
an input terminal, an output terminal, and a ground terminal disposed on the lower surface of the body,
wherein the body includes first and second capacitor parts having different levels of capacitance, the first and second capacitor parts each comprising at least two among the plurality of internal electrodes with at least one of the ceramic layers or magnetic layers interposed therebetween,
the first capacitor part includes two or more first sub-capacitor parts having different overlapping areas, and
the second capacitor part includes two or more second sub-capacitor parts having different overlapping areas, and
the inductor part is connected in parallel with the first and second capacitor parts.

10. The multilayer electronic component of claim 9 , wherein the plurality of internal electrodes includes a first internal electrode, a second internal electrode, and a third internal electrode, and
the first internal electrode is connected to the input terminal, the second internal electrode is connected to the output terminal, and the third internal electrode is connected to the ground terminal.

11. The multilayer electronic component of claim 9 , wherein the plurality of internal electrodes includes a plurality of first internal electrodes, a plurality of second internal electrodes, and a plurality of third internal electrodes,
the body includes at least two internal electrode units, each of which includes at least one of the plurality of first internal electrodes, at least one of the plurality of second internal electrodes, and at least one of the plurality of third internal electrodes, and
in each of the at least two internal electrode units, an area in which the first internal electrode and the third internal electrode overlap differs from an area in which the second internal electrode and the third internal electrode overlap.

12. The multilayer electronic component of claim 9 , wherein at least one of the ceramic layers or the magnetic layers includes one of the coil portions and one of the internal electrodes disposed thereon.

Assignees

• Samsung Electro Mech

Inventors

• Ahn Young Ghyu
• Lee Byoung Hwa
• Park Min Cheol

Classifications

• H01G4/012

  Form of non-self-supporting electrodes · CPC title

• H01G4/232

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

• H05K2201/1006

  Non-printed filter · CPC title

• H01G4/35

  Feed-through capacitors or anti-noise capacitors · CPC title

• H03H7/0115 Primary

  comprising only inductors and capacitors (H03H7/075, H03H7/09, H03H7/12, H03H7/13 take precedence) · CPC title