Magnetic disk device including humidity controller in disk enclosure
US5075807A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1990 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Mar 14, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B33/1486
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a magnetic recording device including recording mediums and an airtight enclosure containing the recording mediums therein and having a fine breathing hole created therethrough communicating with the outside thereof, wherein at least two types of moisture adsorbents composed of a one way type moisture adsorbent which adsorbs moisture and a reversible type moisture adsorbent which adsorbs moisture in high humidity and conversely discharges the same in low humidity are disposed in the cabinet and used in combination. There is also provided the same device except wherein gas adsorbents and moisture adsorbents are used in combination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.