Intermediate tri-layer structure for perpendicular recording media

Intermediate tri-layer structure for perpendicular recording media

2 x1−x 2 An improved structure for the construction of perpendicular recording media is disclosed. The structure includes a tri-layer IML resident between a soft under layer CoTaZr film and a CoPtCr-SiOmagnetic media. In an embodiment, the tri-layer comprises a RuCrlayer over dual nucleation layers...

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Bibliographische Detailangaben
Hauptverfasser: Marinero, Ernesto E, Supper, Natacha Frederique, York, Brian R
Format: Patent
Sprache:eng
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Zusammenfassung:2 x1−x 2 An improved structure for the construction of perpendicular recording media is disclosed. The structure includes a tri-layer IML resident between a soft under layer CoTaZr film and a CoPtCr-SiOmagnetic media. In an embodiment, the tri-layer comprises a RuCrlayer over dual nucleation layers of Ni-Fe and Ni-Fe-Cr. The tri-layer replaces the typical Ru and Ni-Fe intermediate layers of the prior art, resulting in considerable improvement in lattice matching between the Ru containing intermediate layer and the CoPtCr-SiOmagnetic media, further resulting in improved magnetic media performance.