Magnetic sensor with composite magnetic shield
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United States of America Patent
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May 7, 2013
Grant Date -
Jan 13, 2011
app pub date -
Jul 8, 2009
filing date -
Jul 8, 2009
priority date (Note) -
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Abstract
A magneto-resistive reader includes a first magnetic shield element, a second magnetic shield element and a magneto-resistive sensor stack separating the first magnetic shield element from the second magnetic shield element. The first shield element includes two ferromagnetic anisotropic layers separated by a grain growth suppression layer.
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