Patent ID: 8711513
Filing Date: 2014-04-29
Classification: G11B

Abstract:
1. A disk drive comprising: a housing comprising a bottom wall and a sidewall set up along a peripheral edge portion of the bottom wall; a drive motor on the bottom wall of the housing; a disk recording medium supported and rotated by the drive motor; a head configured to process information for the recording medium; a carriage configured to support the head for movement with respect to the recording medium; and a flow regulation member between an outer peripheral edge of the recording medium and the sidewall of the housing, except for a moving region for the carriage, and comprising a circular-arc-shaped shroud member, which is located substantially flush the recording medium and adjacently faces the outer peripheral edge of the recording medium, and a plurality of fins protruding from the shroud member and configured individually to guide an airflow passing along a surface of the recording medium toward the outer periphery of the shroud member and prevent a backflow toward a center of the recording medium.