Magnetic disc device
US5060100A · kind A · utility
28Cited by
16References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1990 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Jan 11, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B25/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic disc device of half-height type has a base, four magnetic discs disposed one above the other on the base, five head arms rotatable about a pivot for seeking motion on both surfaces of each magnetic disc, eight magnetic heads each attached to an end of the head arm through springs facing a surface of each disc, a rotational drive unit for swinging the head arms, a main printed circuit board disposed on a rear side of the base, and a cover which covers an upper surface of the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.