Defective CD, DVD or Blu-ray ?

On a CD, information is stored on 22,188 tracks burned in spirals, just like the old vinyl.


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The optical disk CD / DVD / HD-DVD / Blu-ray

The optical disk, more commonly known as a CD, DVD, HD-DVD or Blu-ray disc is 12cm in diameter with one of its surface reflective. The reflecting surface has small cells that do not reflect the reading laser which provides a succession of bits.

Our laboratory is able to retrieve all the information on an optical disk scratched or even broken.