Adjusting a clearance between a magnetic head and a magnetic recording medium using a magnetic force
US9202497B2 · kind B2 · utility
2Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2013 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Dec 5, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3133
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A media-facing surface of a magnetic head is positioned proximate a moving magnetic recording medium. A current is applied to an electromagnet of the magnetic head. The current induces a magnetic force between the magnetic head and the magnetic recording medium that adjusts a clearance therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.