Patent ID: 7099108
Filing Date: 2006-08-29
Classification: G11B

Abstract:
1. A method to support retry of self-servowriting, comprising: generating a reference pattern on a surface of a rotatable medium having a plurality of servo tracks operable to store at least a reference pattern and a final pattern, wherein both the reference pattern and the final pattern can include one or more wedges; positioning a read/write head relative to the surface of the rotatable medium; servoing on the one or more wedges in the reference pattern via the read/write head; writing each of the one or more wedges of the final pattern at a first position on the surface of a rotatable medium via the read/write head; and rewriting at least one of the one or more wedges of the final pattern at a second position if (1) a wedge written at the first position fails and/or (2) one or more conditions are met.