Patent ID: 7771853
Filing Date: 2010-08-10
Classification: B82Y,G11B

Abstract:
1. A patterned magnetic medium comprising: a substrate; a soft magnetic film, a nonmagnetic film, an intermediate film, and a recording layer having a concavo-convex pattern structure, which are formed on a principal surface of the substrate; a first protective film which is formed along the pattern structure on the recording layer and consisting of carbon; and a second protective film which is formed on the first protective film and is a wet-coated polymer film; a third protective film which is formed on the second protective film and consisting of carbon; and a lubrication layer which is formed on said third protective film; wherein a lower surface of the second protective film is in concave parts of the concavo-convex pattern and an upper surface of the second protective film is above concavo-convex patterns of the recording layer and the first protective film.