Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 11, 2010
Patent Application Number
11584408
Date Filed
October 19, 2006
Patent Primary Examiner
Patent abstract
Servo patterns for patterned media. The servo pattern includes specification of cylinder/track ID with and without a Gray code. The servo pattern space is minimized by the optimum usage of the islands. This is achieved by island allocation rules to take advantage of non-magnetic island. The island allocation also provides for easier lift-off. Logic is used to encode and decode the Gray code. Further, the Gray code is designed to stabilize the magnetic island/non-magnetic island ratio to allow for easier manufacture.
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