Patent ID: 7298591

Claim:
A rotating disk storage device comprising: a rotating disk recording medium; an actuator head suspension assembly including a head/slider that is accessible to the rotating disk recording medium; a voice coil for pivotally moving said head/slider in a first direction in which the head/slider moves from an access area above the rotating disk recording medium toward a retraction area, and in a second direction in which the head/slider moves from the retraction area toward the access area; and a coil support for supporting the voice coil; a bias chip that is mounted to the actuator head suspension assembly, and that pivotally moves in the first direction and in the second direction; and a voice coil magnetic circuit having a yoke gap space where a bias end is formed as a projecting part that projects in a direction approaching a pivotal locus of the bias chip in the vicinity of an on-route position within a pivoting range of the bias chip, the rotating disk storage device further comprising a ramp, wherein the retraction area is structured by the load-unload method.