Patent ID: 7839602
Filing Date: 2010-11-23
Classification: G11B

Abstract:
1. A base for a data storage system having an inner facing surface and an outer facing surface, the base comprising: a motor well including a perimeter; a medium region formed with the inner facing surface of the base, the medium region including a medium region planar surface defined at least by a portion of the perimeter of the motor well, a leading surface and a trailing surface, wherein the leading and trailing surfaces intersect the perimeter of the motor well; an actuator region formed with the inner surface of the base, the actuator region including an actuator region planar surface that is recessed from the medium region planar surface and defined at least by the leading surface, the trailing surface and a remaining portion of the perimeter of the motor well; and a dam formed with the inner facing surface and protruding from the actuator region planar surface to a dam planar surface and extending along the remaining portion of the perimeter of the motor well from the leading surface to the trailing surface.