Patent ID: 7532440
Filing Date: 2009-05-12
Classification: G11B

Abstract:
1. A head stack assembly comprising: an actuator arm; a coarse positioner that moves the actuator arm relative to a storage media; a data transfer assembly including a load beam, a flexure secured to the load beam, and a data transfer member secured to the flexure; a base plate securing the data transfer assembly to the actuator arm, the base plate having a thickness that is about three times or more the thickness of the load beam, the base plate further including (i) one or more edges, (ii) a pair of flex sections that cantilever away from at least one of the edges, the flex sections allowing the base plate to flex, and (iii) a pair of spaced apart positioner cavities that are positioned between the flex sections; and a fine positioner secured to the base plate, the fine positioner being positioned in the positioner cavities, the fine positioner moving a portion of the base plate relative to the actuator arm.