Soft magnetic alloy, soft magnetic alloy ribbon, method of manufacturing soft magnetic alloy ribbon, magnetic core, and component
US11798718B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Dec 23, 2020 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Feb 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The soft magnetic alloy of the present disclosure is represented by a composition formula of FeaSibBcCudMe where M is at least one type of element selected from a group consisting of Nb, Mo, V, Zr, Hf, and W, and the formula satisfies 82.5≤a≤86, 0.3≤b≤3, 12.5≤c≤15.0, 0.05≤d≤0.9, and 0≤e<0.4 in at %. The soft magnetic alloy includes a structure that has a crystal grain with a grain diameter of 60 nm or less in an amorphous phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.