Estimating residual temperature for flying height adjustment of read/write heads
US7453662B2 · kind B2 · utility
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4References
21Claims
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Key dates
| Filing date | Mar 13, 2007 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Mar 13, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/6064
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods of estimating a flying height of a read/write head include determining an idle period of the head since a last selection of the head as a working head, estimating the residual temperature of the head in response to the idle period, and estimating the flying height of the head in response to the estimated residual temperature of the head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.