Brian Swale wrote:
>Hi all
>
>Some of you may know that I sell data CDs all around the world. Now you all
>know.
>
>It is a complicated list of all the fern species (plants) that exist.
>
>I have just had a letter from a client to whom I sold a CD about ? two years
>ago, and 2 of the 380 genus files are suddenly unreadable.
>
>A while ago I investigated getting CDs pressed in aluminium like the
>commercial ones are. Costs a fair bit more - or did then. $500NZ for 50 CDs.
>
To quote myself: "There are definite differences between CDs. These
folks make the best, with gold reflective layers and the proprietary
Mitsui dye layer material which is the best available
<http://store.mam-a-store.com/standard---archive-gold.html>."
"Accelerated aging tests show that MAM Gold can be used as a reliable
storage media for more than 300 years.". Even if they are off by a
factor of 4*, what are chances of any complaints concerning you after 75
years? WAY cheaper than having them pressed.
Moose
* And even though they seem to think, like so many others that "media"
is singular.
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