+ - Tough new optical disc coatings
Submitted
by
Anonymous Coward
An anonymous reader writes "As everyone who uses Netflix knows, scratches on DVD are frustrating and
create significant customer support costs. Blu-ray is the first major disc format to
address the problem. The chemistry
[1] [2] [3]
behind these coatings
a radical-curing urethane(meth)acrylate and a curing monomer, and is applied
unformly over the disc. The results are impressive — this
video
shows a Blu-ray disc surviving steel wool and a pizza cutter,
which would have destroyed traditionally-coated formats (e.g., CDs, DVD, or HD-DVD).
Fewer scratched discs also means less waste."