Patent ID: 7125615

Claim:
A magnetic recording medium, comprising: a seed layer containing at least one metal selected from the group consisting of Ag, Au, Pt, Pd, Ru, and Cu; and a magnetic recording layer formed on said seed layer, said magnetic recording layer having a plurality of laminated layers and a noble metal layer placed between said laminated layers, wherein said laminated layers each include a transition metal element layer containing at least one metal selected from the group consisting of Co, Ni, and Fe and a platinum group element layer containing at least one metal selected from the group consisting of Pt and Pd, said transition metal element layer and said platinum group element layer being in direct contact with one another; wherein said noble metal layer contains at least one metal selected from the group consisting of Ag, Au, Ru, and Cu; and wherein a relational expression 0<Y/X≦1.0 is satisfied, where X is thickness of said seed layer, and Y is a sum total of thickness of said noble metal layer in said magnetic recording layer.