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Hot Embossing by Matthias Worgull

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10.5. Industrial Applications

10.5.1. Compact Disc Replication

A popular example of mass replication is the compact disc (CD) [20] or digital versatile disc (DVD) fabrication [43]. In 2004 about 25 billion discs were fabricated [5]. CD-ROM production peaked in 2001 with about 14 billion discs. Nowadays, DVD production increases strongly. Regarding these large numbers of pieces, the challenge for disc production is to guarantee an effective machine throughput and to keep the production cost on a low level, independent of the kind of format (CD or DVD) and the size of digital structures.

As mentioned in the introduction, the fabrication of old-time records is an impressive example of the commercial use of the embossing process. Nevertheless, ...

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