CPC G11B 19/2009 (2013.01) [G11B 17/038 (2013.01)] | 11 Claims |
1. A hard disk drive (HDD) comprising:
a plurality of disk media rotatably mounted on a spindle hub;
a plurality of disk spacers each interposed between adjacent disk media of the plurality of disk media;
a disk clamp coupled to the spindle and applying a clamping force to the disk media and the disk spacers to secure the disk media to the spindle hub, the disk clamp comprising:
a disk-facing side and a cover-facing side, and
multiple protrusions extending from a surface of the disk-facing side and in contact with a disk medium of the plurality of disk media, thereby applying the clamping force at multiple respective contact locations on the disk medium;
wherein:
each of the multiple protrusions comprises an annular protrusion circumscribing a hub of the disk clamp, and
the multiple protrusions comprise an inner annular protrusion having a first center height and an outer annular protrusion having a second center height greater than the first center height;
a plurality of head sliders each housing a read-write transducer configured to read from and to write to a respective disk medium; and
an actuator configured for moving the head sliders to access portions of the disk media.
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