Grain-oriented electrical steel sheet
US11393612B2 · kind B2 · utility
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Key dates
| Filing date | Feb 26, 2019 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Jul 25, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A grain-oriented electrical steel sheet according to the present embodiment is a grain-oriented electrical steel sheet having a groove formed on a surface, in which, in a cross section of the grain-oriented electrical steel sheet orthogonal to the groove, a KAM value is 0.1 or more and 3.0 or less in a region on a central side in a thickness direction of the grain-oriented electrical steel sheet with respect to the groove, the region being surrounded by a square having one side in contact with a groove bottom of the groove and having a length of 50 μm in each side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.