Patent ID: 8130468
Filing Date: 2012-03-06
Classification: B82Y,C23C,G11B,Y10T

Abstract:
1. A hard disk drive, comprising: an enclosure having a magnetic media disk rotatably mounted thereto and an actuator having a head for reading data from and writing data to the magnetic media disk; the magnetic media disk further comprising: a substrate; a plurality of topographic features formed on the substrate and defining trenches therebetween; a layer of non-magnetic material formed on the topographic features; a layer of magnetic material formed on the layer of non-magnetic material on at least the topographic features to define a recording layer; the layer of non-magnetic material is segmented into portions that are located on respective ones of the topographic features, and each of the portions has a width that is greater than a width of said respective ones of the topographic features; and the layer of magnetic material is segmented into portions that are located on respective ones of the portions of the non-magnetic material, and each of the portions of the magnetic material has a width that is greater than the width of said respective ones of the portions of the non-magnetic material.