Dual phase MgO-X seed layers for heat assisted magnetic recording media
US10276201B1 · kind B1 · utility
5Cited by
9References
26Claims
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Key dates
| Filing date | Feb 22, 2016 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Mar 5, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Magnetic media having dual phase MgO-X seed layers with both MgO grains and segregants are provided. One such magnetic medium includes a substrate, a heatsink layer on the substrate, a dual phase seed layer on the heatsink layer, where the dual phase seed layer comprises MgO and a segregant, where a concentration of the MgO is greater than 50 percent by volume in the dual phase seed layer, and a magnetic recording layer including FePt on the dual phase seed layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.