Re: arsclist non-member questions about CD-Rs

[Jerome Hartke <jhartke@xxxxxxxxxxxx>]

David Seubert wrote:
> 
> >In discussing my decision with some people at NARAS (Grammy Grant folks)
> >to use Mitsui Gold blanks, they were comfortable that I had thought
> >through the process and did not have any alternative suggestions. We both
> >chuckled at Mitsui's 300-year life expectancy claim, but wondered how
> >their lawyers would let them say that if there was not at least some shard
> >of evidence.
> 
> I have a copy of the Mitsui test report that makes the 300 year claim. If
> anybody wants to see it, let me know. As I remember, it was an average of
> 300 year LE on average, 145 year LE with 95% confidence. But anyway, the
> whole point of the Mitsui study was that Phthalocyanine media outlasts
> Cyanine media, not that it lasts forever.
> 
> David
> 
> David Seubert, Curator
> Performing Arts Collection
> Davidson Library Special Collections
> University of California
> Santa Barbara, CA  93106
> (805) 893-5444 Fax (805) 893-5749
> mailto:seubert@xxxxxxxxxxxxxxxx
> http://www.library.ucsb.edu/speccoll/pa/

Our findings are posted at http://www.mscience.com/longev.html

Most CD-R manufacturers either ignore longevity or use BLER alone to
arrive at a flawed number. Mitsui has included both BLER and jitter in
most of their results. This helps, but is still insufficient for
attempting to predict longevity.

J. Hartke
President
Media Sciences, Inc.

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