Electrical lapping guide for dimensional control of back side of heat assisted magnetic recording device
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United States of America Patent
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Jun 7, 2016
Grant Date -
N/A
app pub date -
May 27, 2014
filing date -
Mar 13, 2014
priority date (Note) -
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Abstract
A slider bar apparatus, and a method for lapping a back side surface of the slider bar, is provided. The slider bar includes a head part and a pair of sliders separated by the head part. Each of the sliders has an air bearing surface (ABS) and a back side surface opposite the ABS. Each of the sliders has a reader element and a writer element of a magnetic head for use in a magnetic hard disk drive. An electrical lapping guide is mounted on the back side surface and has a pair of terminals and a conductive material extending between the terminals. The conductive material is arranged on the slider bar such that the resistance between the terminals increases during a lapping of the back side of the sliders.
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