Head stack assembly including laminated nut plate with damping layer interposed between metal layers
US6958890B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2002 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Aug 10, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/4826
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A head stack assembly for use in a disk drive. The head stack assembly includes an actuator body. The head stack assembly further includes an actuator arm extending from the actuator body. The actuator arm includes an arm tip portion. The head stack assembly further includes a suspension attached to the arm tip portion. The head stack assembly further includes a laminated nut plate attached to the arm tip portion and the suspension. The nut plate includes first and second metal layers and a damping layer interposed between the first and second metal layers for mitigating vibration of the suspension with respect to the actuator arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.