Patent ID: 8361585
Filing Date: 2013-01-29
Classification: G11B,Y10T

Abstract:
1. An optical information medium comprising at least one support substrate, a first dielectric layer, at least one data layer, a second dielectric layer, and a reflective layer; wherein: the reflective layer is an covers layer, and encapsulates the second dielectric layer, the data layer, and the first dielectric layer; the optical information medium comprises an inner radial portion, a middle radial portion, and an outer radial portion; the support substrate is present in the inner radial portion, the middle radial portion, and the outer radial portion; the data layer is present in the middle radial portion, but not in the inner radial portion and the outer radial portion; and the encapsulating layer is present in the inner radial portion, the middle radial portion, and the outer radial portion.