Capping layer for magnetic recording stack
US9779771B1 · kind B1 · utility
7Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2016 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Mar 29, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stack includes a substrate, a magnetic recording layer comprising FePtX disposed over the substrate, and a capping layer disposed on the magnetic recording layer. The capping layer comprises Co; at least one rare earth element; one or more elements selected from a group consisting of Fe and Pt; and an amorphizing agent comprising one to three elements selected from a group consisting of B, Zr, Ta, Cr, Nb, W, V, and Mo.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.