Patent ID: 7550211

Claim:
A magnetic recording medium comprising an orientation adjusting layer, a nonmagnetic under layer, a nonmagnetic intermediate layer, a magnetic layer and a protective layer sequentially stacked on a nonmagnetic substrate provided on a first surface thereof with a texture streak and used for a magnetic disc, wherein the nonmagnetic under layer contains at least a layer formed of a Cr—Mn-based alloy, wherein the magnetic layer possesses magnetic anisotropy having an axis of easy magnetization in a circumferential direction thereof, and wherein the layer of Cr—Mn-based alloy that forms at least part of the nonmagnetic under layer has an Mn content in a range of 1 to 60 at %, wherein the nonmagnetic underlayer contains at least a layer formed of a Cr—Mn-based alloy and a layer formed of a Cr—Mo-based alloy formed thereon, and the Cr—Mn-based alloy has Cr as a first main component and Mn as a second main component, and the Cr—Mo-based alloy has Cr as a first main component and Mo as a second main component.