G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/24 (2006.01) G11B 7/26 (2006.01) G11B 23/50 (2006.01)
Patent
CA 2273501
A method is disclosed for modifying an optical storage device that includes a data layer between a base layer and a reflective layer. The reflective layer includes an internal area to be saved, an external area to be removed, and a border between the internal and external areas. The method includes the following steps: applying pressure to the internal area adjacent the border; scoring the optical storage device along the border by cutting through the reflective and data layers and into the base layer; removing the reflective layer from the external area; cutting through the base and data layers in the external area at a distance from the border. Preferably, the scoring step produces a burr in the base layer in the external area adjacent the border. It is also preferable to apply laquer to the score to seal the base, data and reflective layers in the internal area along the border. It is also preferable to add a protective layer adjacent the reflective layer by attaching the protective layer to the data layer in the external area.
Gowling Lafleur Henderson Llp
Innovative Interactive Incorporated
LandOfFree
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