US 2025/0149217 A1 · COIL ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

Abstract

A coil electronic component may include a magnetic body having a first surface and a second surface opposing each other in a first direction, a third surface and a fourth surface opposing each other in a second direction intersecting the first direction, and a fifth surface and a sixth surface opposing each other in a third direction intersecting both the first and second directions and including a magnetic material, a coil embedded in the magnetic body, an external electrode disposed on the sixth surface of the magnetic body, and at least one connection electrode disposed within the magnetic body and connecting the coil and the external electrode and including an extension portion having a diameter greater than a diameter of a remaining portion of the connection electrode.

Claims31

Dependent claims

A coil electronic component, comprising:

a magnetic body having a first surface and a second surface opposing each other in a first direction, a third surface and a fourth surface opposing each other in a second direction intersecting the first direction, and a fifth surface and a sixth surface opposing each other in a third direction intersecting both the first and second directions and comprising a magnetic material;
a coil embedded in the magnetic body;
an external electrode disposed on the sixth surface of the magnetic body;
and
a connection electrode disposed within the magnetic body and connecting the coil and the external electrode, and comprising an extension portion having a diameter greater than a diameter of a remaining portion of the connection electrode.

2 more elements

A method of manufacturing a coil electronic component, the method comprising:

preparing a plurality of coils;
connecting pairs of adjacent coils of the plurality of coils to each other by connection conductors;
disposing the plurality of coils on a first magnetic body;
applying a magnetic material to cover the plurality of coils;
forming a second magnetic body by pressing and curing the magnetic material;
forming an individual laminate by dicing the first magnetic body and the second magnetic body such that each connection conductor may be divided into a first connection electrode and a second connection electrode;
and
forming a first external electrode that is connected to the first connection electrode of the individual laminate and a second external electrode that is connected to the second connection electrode of the individual laminate.

5 more elements

A coil electronic component, comprising:

a magnetic body encapsulating a coil;
an external electrode disposed on an external surface of the magnetic body;
and
a connection electrode disposed in the magnetic body and connecting the coil to the external electrode, the connection electrode comprising a wire,
wherein a cross-section of the wire at a first end of the wire contacts the coil, and one or both of a cross-section and a surface area of the wire at a second end of the wire contacts the external electrode.

2 more elements

Dependencies are inferred from the claim text.

Coil electronic component and manufacturing method thereof

Life of this patent

Coil electronic component and manufacturing method thereof

Life of this patent

Abstract

Claims31