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[ARSCLIST] SV: [ARSCLIST] CD differences

This is from a report on a meeting Unesco and IASA had with Tape and CD manufacturers in Paris
just about a year ago:
 asked how the Verbatim professional product varied from that commonly available Torsten Leye replied that the disks were a selected line in the factory. The production controls were tighter and the materials used better quality and, therefore, more expensive. The ingredients of the dye were better; the reflective layer better; a special lacquer coating was used. The cost was about 20% higher than normal. The disks were marketed under the name "Ultra Life Plus". Mitsui also make a similar product.

lars gaustad
Preservation Advisor
Media Lab
National Library of Norway



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Sendt: 25. juni 2003 14:27
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Emne: [ARSCLIST] CD differences

Thanks Will,
The Mitsui archival gold discs (marked as "Prostudio" in Europe) are designed to be burned at lower (1-12x) speeds, whereas the "non-archival" equivalents are apparently optimised for higher burn speeds. Not sure of any other differences.
So if that is the only difference....then what's makes the Gold disk markedly better (archival)  than non-archival? Or is there no real big difference regarding the longevity, stability etc?
Paul Tombleson
Director of Preservation
Bhaktivedanta Archives

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