Patent · US Expired

Disk unit and information processing apparatus

US6867939B2 · kind B2 · utility

63Cited by
8References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2001
Grant dateMar 15, 2005
Priority date
Expiry dateMar 22, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B33/1453
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A disk unit, such as a magnetic disk unit, has a temperature sensor, a humidity sensor, a heater, a Peltier element, etc. The disk unit heats and cools in accordance with temperature and humidity. The disk unit has a double-structure of outline comprising a first outline and a second outline surrounding said first outline, so that an internal environment is isolated from an external environment.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.