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Optical disc

The right choice for high-quality optical media

Optical disc

The development of Optical Data Storage devices began in 1982 with the Audio CD and Covestro was at the forefront of its development with the high-tech thermoplastic Makrolon®.

DVD and Blu-ray discs made of Makrolon® OD2015
DVD and Blu-ray discs made of Makrolon® OD2015

Eleven years after the DVD was launched on the market in 1996, the next generation format Blu-ray – the latter having up to 100 gigabytes of storage space – has now been developed to market maturity. The storage capacities of Blu-ray discs also make it possible to store an entire film in what is known as High Definition (HD) resolution on one disc and thus to conjure up pin-sharp images at the highest level of quality ever to be seen on a widescreen television in the home.

Improvements in storage capacity have been made by continually reducing the size of the structures used to carry information on the formats – the so-called pits – by reducing the track pitch and the wavelengths of the laser beam, and by increasing the purity of the plastic even further.

Makrolon® polycarbonate holds an undisputed position as the material of choice for the disc formats of all the systems marketed to date.

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