Cover including multiple cover plates with damped layers
US6697213B2 · kind B2 · utility
8Cited by
30References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | May 3, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B33/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cover for a disc drive assembly including multiple damped cover plates. The multiple damped cover plates include a first cover plate and a second cover plate. Each of the first and second cover plates includes a damped structure, such as a viscoelastic damping layer, to damp vibration of the cover to reduce acoustic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.