Estimation and control of head fly height
US7468856B2 · kind B2 · utility
13Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Apr 30, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Various embodiments are disclosed that control head fly height based on estimates of head fly height. The fly height clearance between the head and a data storage media is estimated. Heating of the head by a heater element is then regulated in response to the estimated fly height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.