Patent ID: 8006256

Claim:
An optical recording medium comprising: a substrate having a first side and a second side, the substrate comprising a recording area and a clamping area, the optical recoding medium being readable with a laser from the first side; a recording layer arranged on one side of the substrate; a first protruding structure formed on the first side of the substrate, the first protruding structure having a first surface extending past a plane defined by the first side of the recording area and configured to engage at least a first portion of a drive used to read or write the optical recording medium, wherein the first protruding structure is located at least partially within the clamping area and comprises a ring-shaped structure having an inner diameter within a range of 22 mm to 26 mm, inclusive; a second protruding structure formed on the second side of the substrate, the second protruding structure having a second surface extending past a plane defined by the second side of the recording area and configured to engage at least a second portion of the drive, wherein the second protruding structure is located at least partially within the clamping area and is formed from at least one printing layer having thickness of between 0.1 mm and 0.3 mm, inclusive; and a third protruding structure formed on the first side of the substrate, wherein the third protruding structure comprises a ring-shaped structure having an outer diameter within a range of 16 mm to 22 mm, inclusive.