STORAGE MEDIA ASPERITY DETECTION
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United States of America Patent
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Mar 25, 2014
Grant Date -
Mar 27, 2014
app pub date -
Sep 26, 2012
filing date -
Sep 26, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of the storage media using a temperature change at the asperity sensor. The asperity may be one or both of a void in the surface of the storage media and a protrusion from the surface of the storage media.
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