Method and apparatus reducing data damage from mechanical shock in a hard disk drive
US7570453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2005 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Apr 19, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J13/0003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Invention protects the data region of a disk surface in hard disk drive, using a facing surface containing a radial bump near an outside region radially beyond the data region. The facing surface and radial bump may belong to a disk base, a disk damper, a disk cover and/or a cover insert attached to the disk cover, as well as the hard disk drive including at least one facing surface and radial bump. The method of making the disk base, the disk cover, the cover insert for the disk cover, the disk damper, and/or the hard disk drive, as well as the products of these manufacturing processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.