Apparatus and method for use in the manufacture of multiple layer optical discs
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United States of America Patent
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Dec 31, 2002
Grant Date -
Aug 8, 2002
app pub date -
Feb 6, 2001
filing date -
Feb 6, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved optical disc for use in the manufacture of a multilayer optical disc. The improved optical disc has a first side with a data layer and at least one projection extending outward from the first side. The projection separates the first side of the improved optical disc from another optical disc used in the manufacture of the multilayer optical disc, thereby providing a uniform adhesive layer between the discs. A mutilayer optical disc and a method of making a multilayer optical disc utilizing the improved optical disc is also described.
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