Method of improving air flow in compact disc drive
US4280155A · kind A · utility
38Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1979 |
| Grant date | Jul 21, 1981 |
| Priority date | — |
| Expiry date | Jun 4, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is described for improving the air flow over the surfaces of magnetic recording discs in a disc drive having a plurality of rotatingly driven such discs each having adiameter of less than nine inches and being coaxial and spaced from one another, and such disc drive having a plurality of selectively positionable magnetic transducer heads overlying portions of the discs, the method including spacing adjacent such discs a predetermined minimum distance from one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.