Back to results
US 2014/0146656 A1Published application
Optical Disc With Pre-Recorded and Recordable Regions And Method Of Forming The Disc
AssigneeThomson Licensing
InventorsJohn Matthew Town, Alan Bruce Hamersley, Holger Hofmann
Life of this patent
Estimating the term…
Abstract
An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.
Claims17
1-17. (canceled)
An optical disc, comprising:
- a first region with pre-recorded data formed on a substrate;
- a second region including one or more recordable areas having at least one groove;
- and
- a recording layer formed only in the second region;
- wherein the pre-recorded data and the recording layer are located on a single data layer.
2 more elements
A method of fabricating an optical disc, comprising:
- (a) forming a first region with pre-recorded data on a substrate;
- (b) forming a second region with at least one groove on the substrate;
- and
- (c) forming a recording layer only in the second region;
- wherein the pre-recorded data and the recording layer are located on a single data layer.
2 more elements
27-30. (canceled)
Dependencies are inferred from the claim text.