CD-R as an Archival and Exchange Media

CD-R discs are able to serve as a long term data repository as well as a convenient means of exchanging data due to their longevity and universality

Archival role
Once recorded, data on a CD-R cannot be altered or erased. CD-R will permit additional recording upon a partially recorded disc but no existing data may be changed or deleted. Furthermore, studies indicate that discs manufactured with MAM's patented Phthalocyanine dye will last more than 100 years on gold CD-R. Some discs using conventional Cyanine dyes will only last for 5 to 20 years.

Exchange role
Once a CD-R disc has been written to, it is essentially no different than any CD-ROM disc. This means that the data can be accessed with equipment widely available at modest cost. CD-R is also quite small, light weight, and easily transportable without undue concern for fragility.

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