Bit-patterned magnetic media formed in filler layer recesses
US8021713B2 · kind B2 · utility
2Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 18, 2008 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Jan 2, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recessed field is formed surrounding resist columns that are in a pattern of bit patterned magnetic media. A filler layer is formed in the recessed field. The resist columns are removed to leave recesses in the filler layer that replicate the pattern. Bit patterned magnetic media is formed in the recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.