Sealed DASD having humidity control and method of making same
US5392177A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 1994 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | May 24, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B33/1453
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sealed direct access storage device wherein a head is positioned for interaction with a storage medium in which the relative humidity is controlled by placing a predetermined amount of desiccant and a predetermined amount of water in the sealed volume of the device. At any given steady state temperature within a predetermined operating range the water vapor within the free space within the device and the water contained in the desiccant are in equilibrium and the relative humidity is controlled within acceptable limits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.