Patent ID: 7576945

Claim:
A disk drive comprising: an enclosure having a base and a top cover fixed to said base; a motor arranged internally of said base to rotate a recording disk; an actuator holding a head getting access to said recording disk, said actuator being turned to thereby move the head; a ramp slope portion which is located beside said recording disk, and on which an extreme end of said actuator is ridden up in order to move said head outside said recording disk; a ramp support portion configured to support said ramp slope portion; and a stage provided in said enclosure and configured to attach said ramp support portion thereto; wherein a flow passage configured to receive air circulating around the rotating recording disk, is defined between said ramp slope portion and said enclosure, and an inclined surface running toward a base bottom of said base is formed on an end of the flow passage on a side of said recording disk, and wherein said stage is formed integral with said enclosure.