Magnetic writer with multi-component shield
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United States of America Patent
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Apr 3, 2012
Grant Date -
Dec 23, 2010
app pub date -
Jun 22, 2009
filing date -
Jun 22, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A writer comprises a main pole, a write gap and a write shield. The main pole has a main pole tip for emitting magnetic flux. The write gap is adjacent the main pole tip along a center axis of the writer. The write shield is spaced from the main pole tip by the write gap. The write shield comprises a first component located above the main pole tip along the center axis and a second component having different magnetic properties from the first component. The second component extends perpendicularly to the center axis from opposing sides of the first component.
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