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How do Dual layer DVD work?

Updated: 11/7/2022
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6y ago

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Answer: How dual layer CD drives workCheck out this website: http://computer.howstuffworks.com/cd-burner.htm

The main difference between a single layer and dual layer CD is that a dual layer CD or DVD has two layers of film on which data can be written to. One layer (the bottom one) is semi-silvered so that depending on the intensity of the laser, data can be read on each surface. The laser adjusts its intensity accordingly to which layer it want to read/write from.

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Gayle Bailey

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Q: How do Dual layer DVD work?
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