US Patent 7740767 Method and apparatus for manufacturing patterned media
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Patent abstract
According to one embodiment, a method for manufacturing a patterned media includes forming patterns of a magnetic layer having protrusions and recesses corresponding to tracks, servo zones or data zones on a substrate having a center hole, and spraying gas flow produced by diffusing a liquid gas toward the center hole of the substrate before or after forming the patterns of the magnetic layer.
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Patent Inventor Names
Akira Kikitsu0
Masatoshi Sakurai0
Satoshi Shirotori0
Yoshiyuki Kamata0
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US Patent 07740767 Method and apparatus for manufacturing patterned media US Patent 7740767 Method and apparatus for manufacturing patterned media
Infobox
Patent Number
077407670
Patent Number
77407670
Edits on 25 Sep, 2022
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Patent Jurisdiction
Patent Number
077407670
Date of Patent
June 22, 2010
0Patent Application Number
114725250
Date Filed
June 22, 2006
0Official Website
Patent Primary Examiner
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US Patent 07740767 Method and apparatus for manufacturing patterned media
Infobox
Is a
Patent jurisdiction
Patent number
07740767
Date of patent
June 22, 2010
Patent application number
11472525
Date Filed
June 22, 2006
Patent primary examiner
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