Grain-oriented electrical steel sheet and magnetic domain refinement method therefor
US11772199B2 · kind B2 · utility
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Key dates
| Filing date | Mar 28, 2022 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Mar 28, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A grain-oriented electrical steel sheet incudes a groove formed on a surface and a solidified alloy layer formed under the groove, wherein the solidified alloy layer includes particles of a certain average diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.