IP Library Granted Patent US 12666536
Granted Patent B2
US 12666536 · App. 18/565,412 · Granted Jun 23, 2026

Embedded magnetic component device including vented channels and multilayer windings

Inventors: Scott Andrew Parish (Milton Keynes, GB); Takayuki Tange (Milton Keynes, GB)
Assignee: MURATA MANUFACTURING CO., LTD.
H05K1/182H01F27/24H05K3/30H05K3/4038
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Quick Facts
Patent No.
US 12666536
App. No.
18/565,412
Granted
Jun 23, 2026
Kind
B2
Abstract

A device includes an insulating substrate including a cavity and a magnetic core in the cavity. The insulating substrate includes a first opening and a second opening that connect the cavity to an exterior of the insulated substrate. The first opening and the second opening are provided on a same side of the magnetic core.

Claims (17)

1 . An embedded magnetic component device comprising:

an insulating substrate including a side node located on an edge of the insulating substrate and including a cavity; and

a magnetic core in the cavity, wherein

the insulating substrate includes a first opening and a second opening that connect the cavity to an exterior of the insulated substrate, and

the first opening and the second opening are provided on a same side of the magnetic core.

2 . The embedded magnetic component device of claim 1 , wherein the first opening and the second opening are provided along a same edge of the insulating substrate.

3 . The embedded magnetic component device of claim 1 , wherein the side node includes an electrically conductive material.

4 . The embedded magnetic component device of claim 1 , wherein a cover is disposed over a first end of the side node.

5 . The embedded magnetic component device of claim 1 , further comprising an encapsulant provided on the insulating substrate.

6 . A method of manufacturing an embedded magnetic component device, the method comprising:

forming a cavity in an insulating substrate;

forming a first channel between the cavity and a first edge of the insulating substrate;

forming a second channel between the cavity and the first edge of the insulating substrate;

installing a magnetic core in the cavity;

forming an electrically conductive hole in the insulating substrate;

forming a cover on the insulating substrate that covers the electrically conductive hole; and

cutting the insulating substrate and the cover along a line that passes through the electrically conductive hole.