Head actuator for magnetic disk drive
US4331991A · kind A · utility
22Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1980 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Jul 2, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5521
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An actuator for the head assembly of a magnetic disk drive includes a magnet having a curved surface mounted along the arc of rotation of a movable coil. Magnets on three sides of the coil increase the torque of the actuator. The curved surface magnet has a flat surface opposite thereto and disposed against the actuator housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.