Disc drive suspension having a moving coil or moving magnet microactuator
US6636388B2 · kind B2 · utility
48Cited by
30References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Apr 10, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5552
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A suspension includes a load beam having a main body and a transducer support element which is movable relative to the main body. A sheet of dielectric material extends along the load beam and carries a plurality of transducer signal traces and a coil. A microactuator is positioned along the load beam and includes a first magnet, the coil and a lever arm. The lever arm is secured to the transducer support element and supports one of the first magnet and the coil. The other of the first magnet and the coil is secured relative to the load beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.