Coupling enhancement for medium with anti-ferromagnetic coupling
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United States of America Patent
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Apr 21, 2009
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N/A
app pub date -
Feb 22, 2006
filing date -
Apr 10, 2002
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Expired
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Abstract
Laminated magnetic recording medium with two Co-containing layers separated by a non-magnetic Ru-containing interlayer is stabilized by Ru-containing layer between the recording layers and Co-containing stabilization layers through anti-ferromagnetic coupling. The insertion of Co layer beneath Ru spacer has resulted in increased coupling, and further coupling enhancement is achieved by low pressure process of Co and Ru layers.
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