Method for ordering a disordered alloy and method for making a perpendicular magnetic recording medium
US8337637B2 · kind B2 · utility
1Cited by
1References
17Claims
0Family size
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Key dates
| Filing date | Dec 7, 2009 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | May 1, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/34
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for ordering a disordered alloy includes: simultaneously ion bombarding and annealing a disordered alloy to transform the disordered alloy from a disordered crystalline state to an ordered crystalline state. A method for making a perpendicular magnetic recording medium which includes an ordered alloy layer is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.