Oxide magnetic material and chip part
US6485840B1 · kind B1 · utility
2Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Dec 9, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12951
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An oxide magnetic material comprising main constituents including Fe2O3, ZnO, CuO and NiO. Y2O3 of 0.003 to 0.021 wt % and ZrO2 of 0.06 to 0.37 wt % are included in said main constituents with respect to all amounts. It is also preferable that Si of 0.010 to 0.0112 wt % is included in said main constituents with respect to all amounts. Further, it is also preferable that Y2O3 of 0.001 to 0.011 wt %, ZrO2 of 0.031 to 0.194 wt %, and Si of 0.010 to 0.056 wt % are included in said main constituents with respect to all amounts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.