Inductor component

By extending along one anisotropic axis and connecting with perpendicular wiring in the inductor wiring, the problem of the magnetic flux direction being affected by the other axis in the inductor wiring is solved, thereby improving the inductance acquisition efficiency and DC superposition characteristics.

CN122162205APending Publication Date: 2026-06-05MURATA MFG CO LTD
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Patent Information

Application Number
CN202480071199.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-11-09
Filing Date
2024-05-29
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In existing inductor wiring, the orthogonal magnetic flux directions of the long and short sides cause the effect of one anisotropic axis to be affected by the other axis, making it difficult to improve inductance efficiency or DC superposition characteristics.

Method used

Inductor wiring is used to extend along one anisotropic axis and is clamped by first and second magnetic layers to ensure that the magnetic flux is mainly oriented toward the other anisotropic axis, while vertical wiring is used to connect to external circuits.

Benefits of technology

It improves inductance acquisition efficiency or DC superposition characteristics, suppresses iron losses, and enables reliable installation of inductor components.

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Abstract

An inductor component (2) is provided with: an inductor wiring (10) extending along a plane; pad parts (10A, 10B) located at both ends of the inductor wiring (10); a vertical wiring (20) extending perpendicularly to the plane from the pad sections (10A, 10B); and a first magnetic layer (30) and a second magnetic layer (40) sandwiching the inductor wiring (10), the first magnetic layer (30) and the second magnetic layer (40) having uniaxial magnetic anisotropy in the same axial direction, and the inductor wiring (10) extending in the entire region without being orthogonal to one anisotropic axis (X-axis). By providing the inductor component (2), the magnetic flux generated by the inductor wiring is directed toward one anisotropic axis, and the influence of the other anisotropic axis can be suppressed.
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