Patent ID: 6914359
Filing Date: 2005-07-05
Classification: G11B

Abstract:
1. A data storage device comprising: a housing enclosing a clean chamber, the housing comprising a first partition and an opposite second partition; a stator comprising a plurality of stator laminations and a shaft, opposite ends of the shaft fixed with the first partition and the second partition; a rotor comprising a hub, the hub having a shoulder, a magnet opposing the stator laminations, and a magnet shield interposed between said hub and said magnet; and at least one disk seated on the shoulder and received in the clean chamber; wherein the stator further comprises a stator shield attached on the second partition and cooperating with the second partition to define a substantially sealed space therebetween, the stator laminations and the magnet are protectively accommodated in the space and wherein the rotor further comprises a tube fixed in the hub and surrounding the shaft of the stator, with a pair of bearings rotatably connecting the tube to the shaft, said tube having an attached upper seal extending over and protectively covering one of the bearings and spaced apart from said shaft by a gap seal thereby protecting said clean chamber from debris.