Patent ID: 7149044
Filing Date: 2006-12-12
Classification: B82Y,G11B

Abstract:
1. A method of making a disk drive having a disk, the method comprising: searching for an available stroke across the disk where information can be written and read; determining track pitch for writing tracks on the disk based on the available stroke across the disk; and writing tracks on the disk based on the determined track pitch, wherein searching for an available stroke across the disk comprises: writing information at a location on the disk; reading from the location on the disk; determining whether the information was successfully read from the location on the disk; repeating the writing information, reading, and determining at different locations across the disk until the information is determined to be successfully read at a first one of the locations and is determined to not be successfully read at a second one of the locations that is adjacent to the first one of the locations; and determining the available stroke across the disk based on at least one of the first and second locations.