Electrically conductive underlayer to grow FePt granular media with (001) texture on glass substrates
US8993134B2 · kind B2 · utility
8Cited by
243References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Feb 28, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1121
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A perpendicular magnetic recording medium, comprising: a substrate; a buffer layer deposited in a first orientation on top of the substrate; an underlayer deposited in a second orientation on top of the buffer layer, the underlayer comprising an electrically conductive oxide; and a magnetic recording layer deposited on top of the underlayer and having an axis of magnetic anisotropy substantially perpendicular to the surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.