Process of manufacturing a narrow track CCP head with bias cancellation
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United States of America Patent
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Nov 14, 2006
Grant Date -
May 12, 2005
app pub date -
Nov 12, 2003
filing date -
Nov 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The problem of increased edge sensitivity associated with the reduction of the spacing between bias magnets in a CPP head has been solved by limiting the width of the bias cancellation layer and by adding an extra layer of insulation to ensure that current through the device flows only through its central area, thereby minimizing its edge reading sensitivity.
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