Disk drive having a stationary plate facing a disk and with a recirculation filter coupled to grooves in the stationary plate
US8228631B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2011 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | May 2, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B25/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A novel disk drive includes a disk and a spindle motor to which the disk is attached to rotate about an axis of rotation. The disk drive also includes a stationary plate facing and disposed over the disk, wherein the stationary plate includes a plurality of grooves through which rotation-induced air flows from an inlet end to an outlet end. The disk drive also includes a recirculation filter coupled to and immediately adjacent said outlet end of said plurality of grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.