Grain-oriented electrical steel sheet and method for manufacturing grain-oriented electrical steel sheet
US11508501B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Dec 22, 2016 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24917
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is an oriented electrical steel sheet including: a forsterite film formed on one side or both sides of an oriented electrical steel sheet substrate; and a ceramic layer formed on an entire or partial region of the forsterite film. Provided is a manufacturing method for an oriented electrical steel sheet including: preparing an oriented electrical steel sheet having a forsterite film formed on one surface or both surfaces thereof; and forming a ceramic layer by spraying ceramic powder on the forsterite film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.