Process for enhancing dye polymer recording yields by pre-scanning coated substrate for defects
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United States of America Patent
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Jun 25, 2013
Grant Date -
Aug 17, 2006
app pub date -
Feb 15, 2005
filing date -
Feb 15, 2005
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Abstract
A method for enhancing recording yields by monitoring dye polymer formation on a glass substrate is provided. After the glass substrate is coated with a dye polymer layer and before pits are formed on the dye-polymer coated glass, the dye polymer coated glass substrate is scanned to detect defects. The dye-polymer coated glass is discarded on the one hand if the defects detected through the scanning are at or above an unacceptable threshold level, and on the other hand data is written on the dye-polymer coated glass if the defects detected through the scanning are below the unacceptable threshold level.
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