Bit-patterned magnetic media formed in filler layer recesses
US8420239B2 · kind B2 · utility
0Cited by
5References
8Claims
0Family size
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Key dates
| Filing date | Aug 16, 2011 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Aug 16, 2031 |
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.