What is the production process for CD-R?

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What is the production process for CD-R?

Postby harrika » Thu May 13, 2010 6:08 am

What is the production process for CD-R?
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Postby jainekaif » Thu May 13, 2010 6:14 am

CD-R manufacturing is similar to pressed CD injection molding with a few differences. The glass master used to make the stamper for the injection molding machine contains a wobbled pre-groove defined in the "Orange Book". The molded substrates are spin coated with a proprietary dye that each manufacturer has developed. On top of this, a gold or silver reflective coat is added by means of vacuum deposition and this is followed by a spin coat of lacquer protection. Additionally, some CD-R manufacturers then add extra layers such as scratch protection to increase durability as well as a printable surface for use in inkjet printers.
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