Perpendicular magnetic recording write head with a trailing shield
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Nov 3, 2008
filing date -
Nov 3, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Insertion of a two part trailing shield between the write gap and the upper return pole of a magnetic write head reduces the sensitivity of the latter to increases in the current driving the field coils (beyond the required minimum). A key feature is careful control of the distance between the upper component of the write shield and the main pole. A process for manufacturing the structure is outlined.
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