Wound magnetic core and method of producing the same
US9978497B2 · kind B2 · utility
2Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | Sep 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/0226
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a wound magnetic core which is configured by winding an Fe-based amorphous alloy ribbon, the wound magnetic core containing a recess row including plural recesses formed by laser irradiation in a central part of the Fe-based amorphous alloy ribbon in a width direction, in which a ratio of a length of the central part to a total width is from 0.2 to 0.8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.