Fe-Co-B alloy target and its production method, and soft magnetic film produced by using such target, and magnetic recording medium and TMR device
US7141208B2 · kind B2 · utility
6Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2004 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Apr 28, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F10/3204
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An Fe—Co—B alloy target, in which the largest inscribed circle depictable in regions containing no boride phases in its cross-sectional microstructure has a diameter of 30 μm or less. Its composition is represented by (FeXCo100−X)100−YBY (by atomic percentage), wherein 5≦X≦95, and 5≦Y≦30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.