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Also known as CD bronzing, bronzing is a type of
corrosion that is similar to CD rot
that is caused by a manufacturing defect. When bronzing occurs
the top and/or bottom of the disc changes colors often changing
from a silver color to a bronze, brown, yellow, or gold tint and
over time can cause the CD to stop working. The company largely
responsible for this defect was Philips & DuPont Optical (PDO)
in Lancashire, United Kingdom with discs manufactured between
1988 and
1993. Because this is
an actual manufacturing defect no matter how the disc is handled
if it's defective it will eventually become bad. However, as
mentioned above this issue widely only affected discs
manufactured in the late 80's and early 90's by PDO.
Also see: CD definitions,
CD rot |
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| Resolved |
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