Patent ID: 6961210

Claim:
A data storage device comprising: a stator comprising a baseplate having a vertical tube in a middle thereof, having an upwardly extending portion and a downwardly extending portion with respect to said baseplate and a downwardly extending circumferential flange to which a plurality of stator laminations are attached, extending radially inward toward said vertical tube in a cavity defined by said circumferential flange and said downwardly extending portion of said vertical tube; a rotor including a shaft rotatably connected the inside of said vertical tube by a plurality of bearings and defining two opposite ends with a hub connected to one end and a drive member connected to the other end; wherein the drive member comprises at least one magnet located in an inner position radially relative to said stator laminations and oppositely cooperating with said stator laminations; a cover attached to said circumferential flange shielding said drive member and preventing contaminants from accessing a bottom one of said plurality of bearings and a clean chamber surrounding the shaft and at least one data storage disk mounted on the hub.