Apparatus, medium, and method controlling flying height of a magnetic head of a disk drive
US7649706B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 27, 2005 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Jan 7, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/607
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is an apparatus, medium, and method controlling a flying height of a magnetic head of a disk drive so that a clearance between a disk and the magnetic head in a data write mode can be similar, e.g., substantially the same, as that of the magnetic head in a data read mode. The apparatus may includes a disk storing information, a magnetic head including a magnetic read element detecting a magnetic field on the disk, a magnetic write element magnetizing a portion of the disk, a structure generating an air bearing between a surface of the disk and the magnetic read element and magnetic write element, and a heater heating the structure that generates the air bearing, and a current supply circuit supplying current to the heater so that a clearance between the disk and the magnetic head in a write mode can be similar, e.g., substantially the same, as that of the magnetic head in a read mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.