Disk drive including a filter component with coarse and fine sections
US7280311B1 · kind B1 · utility
51Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2004 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | May 14, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B25/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a disk drive including a disk drive base, a disk rotatably coupled to the disk drive base, and a spindle motor attached to the disk drive base and configured to support the disk for rotating the disk with respect to the disk drive base. The disk drive further includes a filter component. The filter component includes a filter housing coupled to the disk drive base, and a filter element disposed within the filter housing for filtering disk rotation induced airflow. The filter element includes a coarse section and a fine section. The coarse section has a porosity greater than a porosity of the fine section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.