Rewritable optical storage device with extended life
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United States of America Patent
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Issued Date -
Jan 29, 2004
app pub date -
Jul 24, 2002
filing date -
Jul 24, 2002
priority date (Note) -
Abandoned
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Abstract
In order to minimize potential damage to a rewritable storage media, and to consequently extend the life of the media, the laser power is carefully controlled in order to avoide sharp power transitions. Rather than simply turning the laser power on to its full power level, the power utilized during writing dedicated sections of data sectors is transitioned from 0 to its full power level over a desired period of time. In this way, the thermal shock caused by repeated rewriting in these areas can be minimized, thus extending the life of the rewritable media.
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