Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 13, 2010
Patent Application Number
11701259
Date Filed
February 1, 2007
Patent Primary Examiner
Patent abstract
A rewrite determining unit acquires, for every servo frame recorded on a magnetic disk, an amplification degree, i.e., a gain of an amplifier circuit by which a read signal read from the magnetic disk is amplified to a predetermined output, determines a rewrite sector count based on the amplification degree, and performs data rewriting according to the rewrite sector count.
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