Patent ID: 6373654
Filing Date: 2002-04-16
Classification: G11B

Abstract:
A disk device comprising:a spindle motor with at least a recording disk mounted thereon; a carriage with at least one head mounted thereon for writing information into said disk or reading information from said disk; an actuator for driving said carriage; a bath tub shaped base having an outer profile, a mounting portion, an upper surface, a bottom surface plate, and an inner peripheral surface, said base accommodating said spindle motor, said carriage, and said actuator therein, said base including a reference head insertion hole for inserting thereinto a reference head for writing a reference signal into said disk at the time of manufacturing said disk device; a cover having an outer profile, said cover mounted on said base upper surface for hermetically sealing said spindle motor, said carriage and said actuator; at least one type of damping means for reducing the vibration of said base, said damping means being arranged on a selected one of said base bottom surface plate and a side of said base adjacent to said bottom surface plate; wherein said cover outer profile is smaller than said base outer profile by at least an amount equivalent to the thickness of said base, and said cover is not protruded above said base upper surface when said cover is mounted on said mounting portion of said base inner peripheral surface.