Patent ID: 6356407
Filing Date: 2002-03-12
Classification: G11B

Abstract:
A disc drive system comprising:a substantially rectangular housing defining a first interior chamber and a second interior chamber, the first interior chamber and the second interior chamber being separated by at least one interior wall, the interior wall defining a plurality of vent passages, the vent passages providing air-flow communication between the first and second interior chambers; at least one data storage disc disposed within the first interior chamber; at least one head supported adjacent the data storage disc within the first interior chamber; a hydrodynamic motor disposed within the first interior chamber and operatively connected to the at least one data storage disc for rotating the disc, the hydrodynamic motor containing a dicotyl-sedicate motor oil; a packet disposed within the second interior chamber, the packet containing absorbent material in an amount effective to absorb vaporized lubricant which may escape from the hydrodynamic motor throughout an anticipated life of the disc drive system, the packet comprising a substantially tubular outer skin substantially surrounding the absorbent material, the outer skin comprising polytetrafluoroethylene (PTFE), the absorbent material comprising activated carbon, wherein the outer skin of the packet includes a plurality of pores having a size suitable to allow passage of vaporized dioctyl-sedicate motor oil.