Apparatus and methods for aligned servo-related features
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United States of America Patent
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Apr 11, 2017
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N/A
app pub date -
Apr 16, 2015
filing date -
Apr 17, 2014
priority date (Note) -
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Abstract
Provided herein is an apparatus, including a first region of a substrate corresponding to a data region in a patterned recording medium; a first set of protrusions etched out of the first region of the substrate, wherein the protrusions of the first set of protrusions are rectangle shaped; a second region of the substrate corresponding to a servo region in a patterned recording medium; and a second set of protrusions etched out of the second region of the substrate, wherein the second set of protrusions includes radial lines etched into the substrate across chevrons etched out of the substrate.
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