Grain-oriented electrical steel plate and production method therefor
US11180819B2 · kind B2 · utility
1Cited by
2References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 21, 2015 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Jun 3, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2201/05
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is an oriented electrical steel sheet including a groove existing on the surface of the electrical steel sheet and a forsterite layer formed on a part or all of the surface of the electrical steel sheet, in which forsterite which is extended from the forsterite layer and penetrates to a base steel sheet in an anchor form is present on the surface of the side of the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.