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What are CD and DVD surfaces coated with that make them refract into the rainbow patterns that we see?

And does the hole in the center effect the patterns too?

2006-10-06 17:01:52 · 1 answers · asked by Carmen S 2 in Consumer Electronics ➔ Other - Electronics

1 answers

The surface is reflective, and is etched with a LASER in concentric circles. THAT is what causes the patterns.

2006-10-06 17:04:51 · answer #1 · answered by Privratnik 5 · 0⤊ 0⤋

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