Patent ID: 7292407
Filing Date: 2007-11-06
Classification: G11B

Abstract:
1. A data recording disk drive comprising: a housing; a spindle motor attached to the housing and having an axis of rotation; a plurality of axially-spaced disks mounted on and rotatable by the spindle motor about said axis of rotation; a plurality of capacitive sensors, each sensor comprising an electrically conductive plate having a planar surface facing a surface of an associated disk; a support structure attached to the housing, each sensor being mounted to the support structure; a plurality of recording heads; a rotary actuator having a plurality of arms that support the heads and extend between the axially-spaced disks; and and a plurality of ramps attached to said support structure and extending between the axially-spaced disks for locating the heads away from the disks when the disk drive is not operating.