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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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[filmscanners] Re: How to label CD backups



Good points, thanks everyone. I am off to buy a sharpie and a Staedtler
Lumocolor.

In response to <david_bookbinder@sprynet.com>'s question, it seems that it
is quite possible for any interference with the top layer to produce
unspecified and unknowable chemical/mechanical reactions which can and do
damage the information layer directly underneath.  There is a bit about
these risks at the links I gave, I don't know how much of the fear is
justified by experience and how much is just a natural fear of catastrophic
consequences of getting it wrong.

Julian

At 16:50 05/11/02, you wrote:
>Quoting Julian Robinson <jrobinso@pcug.org.au>:
>
> > Thanks for the quick answers guys, but maybe I should clarify - the issue
> > is whether these pens will eventually corrode/dissolve/affect the useful
> > layer which is right near the label side of the disc. These CDs will be my
> > only records, and even though I keep multiple copies it won't help me if
> > they all fail after a couple of years because of the pen I used.  There has
> > been a lot of discussion around the place on this topic, and I have done a
> > bit of research, but as I said - with conflicting results.
> >
> > Shen can you say why the oil-based is safe?  As you can see, there are
> > others who say the opposite so I would like to feel comfortable with my
> > decision.
> >
> > And Andrew, I definitely DO want to write on the main surface, not just the
> > clear area in the middle, because of the way my storage works and what I
> > want to write.
> >
> > Lastly, and frustratingly, I don't know what a Sanford sharpie is as I am
> > in Australia.
>
>Julian,
>
>If you keep multiple copies of the same CD, why not hedge your bets and
>get two
>or three different types of pens and and use one of them on each copy of the
>CD?  ie a Sharpie on one of the backup CDs, and another pen on the other
>(identicial?) CD?  That way if one does affect the CD, then you still have the
>other CD with the data on it.  I do a similar thing with my CD backups.  One
>set use one type of pen, the other set I use a different pen.
>
>I don't think you are going to get a definate answer.  If there was one, then
>you would have got it by now and everyone would have agreed on it.  With this
>ongoing discussion, I think you can come to the conclusion that there is no
>*known* answer with 100% certainty.
>
>The Sharpie are available in Australia.  I got one from my local Woolworths
>supermarket in the stationary section. They are just another brand/type of
>Artline type markers which I gather are rather well known and popular in the
>USA.
>
>Mark P.
>--
>.sig - TBA
>CBR AU
>
>
>
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