Stepped disc drive voice coil actuator acceleration for reducing resonance of head level micro-actuators
US6751047B2 · kind B2 · utility
5Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2001 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Feb 13, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5556
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc drive having a voice coil actuator with an attached suspension and head, the head including a micro-actuator. The micro-actuator having at least one natural frequency and at least one natural frequency time period. The voice coil actuator is adapted to attenuate a resonance of the micro-actuator at the at least one natural frequency using a stepped acceleration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.