Patent · US Expired

Sealed DASD having humidity control and method of making same

US5392177A · kind A · utility

37Cited by
10References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1994
Grant dateFeb 21, 1995
Priority date
Expiry dateMay 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.