Patent ID: 7722967
Filing Date: 2010-05-25
Classification: G11B

Abstract:
1. A recording medium, comprising: a soft underlayer; a seed layer formed above the soft underlayer; a first layer of hexagonal closed packed (hcp) metal formed on the seed layer; a second layer of hcp metal formed above the first layer of hcp metal; a magnetic layer formed above the second layer of hcp metal; and a spacer layer intercalated between the first and second layers of hcp metal, the spacer layer being formed directly on the first layer of hcp metal, the second layer of hcp metal being formed directly on the spacer layer, wherein at least one of the first and second layers of hcp metal is constructed of RuX, where X is selected from a group consisting of Cr, Mn, V and Cu, wherein the spacer layer is constructed of a metal oxide.