cd longevity

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Fri May 7 17:55:07 2004

On May 7, 13:17, John Lawson wrote:
> On Fri, 7 May 2004, Jay West wrote:
>
> > This has been discussed on this list a few times before... but I
just came
> > across a rather detailed article about the topic of longevity of
CD, DVD,
> > and CDRW media.

> Actually, if ya wanna go techno-retro - we found (MGM Studios /
Library
> of Congress / Filmbond Archival Institute) that the most long-lived
medium
> for this kind of work is optically encoded data on well-processed
Mylar
> linear film of some kind. With proper encoding techniques, one can
get
> bit densities of more than a megabyte per inch - of standard 35MM
> sprocketed stock - of course an order of magnitude more using 70MM -
and
> even more if wider stock is used.

So our discussion a few weeks ago about film resolution was relevant
after all ;-)

-- 
Pete						Peter Turnbull
						Network Manager
						University of York
Received on Fri May 07 2004 - 17:55:07 BST

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