A magnetic recording medium having a Au, Ag-containing magnetic layer having Co, Cr, Ag and Au; the magnetic recording layer having Co-containing magnetic grains surrounded by substantially nonmagnetic Cr-containing grain boundaries; wherein said Ag and said Au are substantially immiscible in the Co-containing magnetic grains is disclosed.
E. Girt, C. Y. Shih, M. Lu, K.-W. Chour, C. C. Liu, M. R. Munteanu, J. L. Lee, “Magnetic storage media with Ag, Au-containing magnetic layers”, Country USA, Patent #7,736,766, issued on Jun 15, 2010.
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