Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideyuki Kubota0
Masakazu Nishikawa0
Akito Kamatani0
Date of Patent
May 6, 2008
Patent Application Number
10895313
Date Filed
July 21, 2004
Patent Primary Examiner
Patent abstract
A master carrier for magnetic transfer having a data region and a servo pattern region that has a pattern of fine projections arrayed in the track direction thereof in accordance with the preformat signal information to be transferred onto an in-plane magnetic recording medium is disclosed. The data region has a projection formed of a material such as carbon-based material that differs from the material of the servo pattern region.
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