Magnetic devices with variable overcoats
US9792935B2 · kind B2 · utility
12Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Jun 4, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic device including: a magnetic reader; a magnetic writer; and a variable overcoat, the variable overcoat positioned over at least the magnetic reader and writer, the variable overcoat having an overcoat layer, the overcoat layer having a substantially constant thickness and material; and at least one disparate overcoat portion, the disparate overcoat portion having a different thickness, a different material, or both, than the overcoat layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.