BRIEF DESCRIPTION OF THE DRAWINGS
The present disclosure will become more fully understood from the detailed description and the accompanying drawings, wherein:
FIG. 1 is a functional block diagram of a disk drive according to the prior art;
FIG. 2 is a schematic representation of tracks and sectors of disk drives according to the prior art;
FIG. 3A is a functional block diagram of a disk drive that employs self-servo-write methods according to the prior art;
FIG. 3B is a schematic representation of writing servo spirals according to the prior art;
FIG. 4 is a functional block diagram of an exemplary system for accelerating an actuator arm when writing servo spirals according to the present disclosure;
FIG. 5 is a schematic representation of an exemplary system for accelerating an actuator arm when writing servo spirals according to the present disclosure;
FIG. 6 is a graph of compression of a crashstop spring measured in number of tracks as a function of compression current used to compress the crashstop spring according to the present disclosure;
FIG. 7 is a graph of actuator velocity measured in number of tracks per sample as a function of time according to the present disclosure;
FIG. 8 is a flowchart of an exemplary method for accelerating an actuator arm when writing servo spirals according to the present disclosure;
FIG. 9 is a flowchart of an exemplary method for calibrating a crashstop spring and calculating spring compression current to accelerate an actuator arm according to the present disclosure;
FIG. 10A is a functional block diagram of a high definition television;
FIG. 10B is a functional block diagram of a vehicle control system;
FIG. 10C is a functional block diagram of a cellular phone;
FIG. 10D is a functional block diagram of a set top box; and
FIG. 10E is a functional block diagram of a media player.
Patent Application
20070195450
