Rotary piezoelectric microactuator with an optimum suspension arrangement
US7440216B2 · kind B2 · utility
1Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2003 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Sep 8, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5552
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a microactuator comprising a movable structure having a symmetric axis about which the movable structure are divided into two parts which can produce the same movement but in opposite directions; two active arms built with piezoelectric material; two stationary structures to connect the two active arms at their two ends, respectively. The invention also relates to a disk drive suspension which is incorporated with the microactuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.