I. COMPOSITION OF THE CD:I. COMPOSITION OF THE CD:The CD look overview is a piece of thick plastic games 1, 2 mm. Specifically it is the piece of plastic thermoformed round Polycarbonate has a radius of approximately 6 cm. Composed of four main parts as follows.1. Label: Class contains the information of manufacturers and information of the disk (file, write speed, ...)2. Acrylic plastic Layer: used to split the class label and data sides, can be coated to protect against moisture the surface data is uncertain.3. aluminium Layer: contains "data" CD's, capable of reflective light.4. Polycarbonate plastic Layer: used to protect the aluminium layer.
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