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In a message dated 11/14/2003 9:53:32 PM Eastern Standard Time,
scott_turner@wgbh.org writes:
Has anyone conducted accelerated time studies on life expectancy of Hi Scott
DVCAM tape I believe is a metal evaporated (ME) media product. Back
in 1994, van Bogart of NML did an accelerated life expectancy study and
published a color-coded chart of recommended (green) to not-recommended
(red) storage products. We have the Chart on our website- www.arkival.com and I believe ME
was given a red-rating by NML.
We did a more contemporary environmental study for NARA in 2002 on
data tapes. We reported life expectancy numbers for various type data
tapes but ME tapes were not in the data tape study. We are
doing some new work on ME data tapes but our study is still
too early in time to report results.
If you're interested in seeing the technology used in a modern day
life expectancy study you could try to obtain a copy of the NARA study
report- but again, that work did not include ME product.
Ron Weiss
ARkival Technology
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