Method for manufacturing magnetic body and coil component containing magnetic body
US11848151B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 22, 2022 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Sep 22, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/95
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
When manufacturing a magnetic body which is made of a ferrite material containing Fe, Ni, and Zn, and whose Mn content is 0.1288 percent by mass or higher, or a magnetic body which is made of a ferrite material containing Fe, Ni, Zn, and Cu, and whose Mn content is 0.1178 percent by mass or higher, an iron oxide powder whose Mn content is 0.20 percent by mass or higher is used as a raw material powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.