Grain-oriented electrical steel sheet
US11346005B2 · kind B2 · utility
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Key dates
| Filing date | Jul 13, 2018 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Jul 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D8/1272
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A grain-oriented electrical steel sheet includes: a base steel sheet; an intermediate layer arranged in contact with the base steel sheet; and an insulation coating arranged in contact with the intermediate layer to be an outermost surface, in which the insulation coating has a crystalline phosphide-containing layer containing a crystalline phosphide in an area in contact with the intermediate layer when viewing a cross section whose cutting direction is parallel to a thickness direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.