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Date:      Tue, 17 Mar 1998 15:04:12 -0700 (MST)
From:      "Justin T. Gibbs" <gibbs@narnia.plutotech.com>
To:        schofiel@xs4all.nl
Cc:        hardware@FreeBSD.ORG
Subject:   Re: CD-R and Scanner recomendations for CD archiving of records?
Message-ID:  <199803172204.PAA03130@narnia.plutotech.com>
In-Reply-To: <199803171640.IAA11589@mail3.sirius.com> <350EE7DC.78D6@xs4all.nl>

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In article <350EE7DC.78D6@xs4all.nl> you wrote:
> Comments:
> 

..

> It would not be possible to produce blanks without a conformal
> passivating layer below the foil coating; since it is vapour deposited
> gold with only a few microns thickness, this would simply rub off in
> your hand when you picked it up out of the jewel case (due to body fats
> and acids, and no, 10 um of gold is NOT sufficiently resistant to acid
> of any kind - think about the layer UNDER the pourous vapour deposit
> layer!)

Sure, but I have yet to see media that puts something protective against
scratches on top of the foil.  Take a key to the label side of a TDK CD-R.
You don't even have to scratch hard.  Oops.

--
Justin

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