High density soft magnetic products and method for the preparation thereof
US6503444B1 · kind B1 · utility
9Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Sep 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/22
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns a method of preparing high density compacts for soft magnetic applications comprising the steps of subjecting an iron or iron-based soft magnetic powder the particles of which are electrically insulated to compaction in an uniaxial pressure operation with a ram speed of at least 2 m/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.