A humidity control method and apparatus that can be utilized to provide humidity control within an enclosed assembly such as a disc drive. The apparatus includes a container that is at least partially formed of a material through which water vapor can freely move. The apparatus also includes a humidity-controlling...http://www.google.de/patents/US7478760?utm_source=gb-gplus-sharePatent US7478760 - Humidity control method and apparatus for use in an enclosed assembly
