Heat assisted magnetic recording heads having bilayer heat sinks
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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
Mar 12, 2013
filing date -
Apr 25, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material.
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