Near-field transducer with rounded or obtuse corners
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United States of America Patent
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Sep 8, 2015
Grant Date -
Apr 30, 2015
app pub date -
Oct 24, 2013
filing date -
Oct 24, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments are directed to an apparatus having an air-bearing surface that is configured to interact with magnetic medium. The apparatus includes a waveguide and a plasmonic near-field transducer positioned at or near the air-bearing surface. The plasmonic near-field transducer is operatively coupled to the waveguide. The plasmonic near-field transducer includes an enlarged region and a peg region. The peg region extends from the enlarged region towards the air-bearing surface. The peg region has at least a portion of a periphery of its cross-sectional shape include curvature or at least one substantially obtuse angle.
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