[OM] Re: Back up and storage

[Wayne Harridge]

> 
> Normal (low cost) CD's are unreliable.  A normal writeable CD 
> is a layer 
> of plastic coated with a very thin layer of dye followed by a 
> very thin 
> layer of aluminum which, in turn, is coated with a layer of 
> laquer (the 
> painted label).  Pressure on the laquer layer (such as with a 
> pen) can 
> distort the aluminum recording layer underneath and destroy bits.
> 

What is the stability of the dyes used in CDs like compared with the dyes
used in colour film ?

...Wayne

 



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