Patent ID: 6777078
Filing Date: 2004-08-17
Classification: G11B

Abstract:
A magnetic recording medium comprising: a substrate;an underlayer formed on the substrate; a magnetic layer formed on the underlayer, wherein the magnetic layer comprising crystal grains having (a) an L10 structure mainly including Fe and Pt, and (b) 0.1 to 50 atomic percent of at least one element selected from the group consisting of Cu, Au, Zn, Sn, Pd and Mn; and a protective layer formed on the magnetic layer, wherein the crystal grain has a composition represented by the following formula: (Fe1-xPtx)100-yMy where x ranges from 0.4 to 0.6, y ranges from 0.1 to 50, M is at least one element selected from the group consisting of Cu, Au, Zn, Sn, Pd and Mn.