Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 12, 2009
Patent Application Number
11194221
Date Filed
August 1, 2005
Patent Primary Examiner
Patent abstract
Embodiments include forming optically visible marks in a radiation-sensitive coating disposed on an optical disc using electromagnetic radiation having a first wavelength and bleaching a background of the radiation-sensitive coating using electromagnetic radiation having a second wavelength.
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