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US 2004/0170116 A1Published application
Optical disc incorporating a relief pattern
AssigneeE3 Works International Inc.
InventorsImtiaz Moloo, Munirun Boga
Life of this patent
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Abstract
The present invention provides an optical disc for storing information, wherein the optical disc comprises a microscopic relief pattern on one side thereof, providing a structure for storing information in a digital format. The opposite side of the optical disc comprises a macroscopic relief pattern that can provide a means of protection for the optical disc.
Claims7
An optical disc for storing information, said optical disc comprising:
- a) a substrate having a first side surface and a second side surface;
- b) a microscopic relief pattern formed on the first side surface of the substrate, said microscopic relief pattern providing a structure for storing information in a digital format;
- and
- c) a macroscopic relief pattern formed on the second side surface of the substrate, said macroscopic relief pattern providing a protective barrier.
1 more element
Dependencies are inferred from the claim text.