Apparatuses and methods for controlling near-field transducer to write pole spacing
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United States of America Patent
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Jul 7, 2015
Grant Date -
Mar 12, 2015
app pub date -
Nov 18, 2014
filing date -
Apr 16, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus includes a waveguide and a near-field transducer adjacent the waveguide. The near-field transducer includes an enlarged region and a peg region extending from the enlarged region towards an air bearing surface. A write pole is adjacent the near-field transducer and include a first portion having an edge extending towards the air bearing surface at a non-orthogonal angle with respect to the air bearing surface. A second portion of the write pole extends orthogonally to the air bearing surface and is in contact with the first portion. The apparatus includes an insulator-filled gap at the air bearing surface between the second portion of the write pole and the peg region of the near-field transducer. The gap is bounded away from the air bearing surface by the enlarged region of the near-field transducer.
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