Electromagnetic steel sheet having excellent high-frequency magnetic properties and method
US6364962B1 · kind B1 · utility
2Cited by
4References
4Claims
0Family size
Inventors
Key dates
| Filing date | Aug 29, 2000 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Aug 29, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D8/12
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Electromagnetic steel sheets which contain Cr in an amount of from about 1.5 to 20% by weight and Si in an amount of from about 2.5 to 10% by weight, while having a total amount of C and N of not larger than about 100 ppm by weight, and which has a specific resistivity of not smaller than about 60 &mgr;&OHgr;·cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.