[OM] Re: CD / DVD storage medium

[Chuck Norcutt]

It is and the gold archival media use phthalocyanine dye.  See:
<http://www.mam-a.com/technology/cd/organic_dyes.html>

Chuck Norcutt

James King wrote:
> 
> 
> John Hermanson wrote:
>> Home recorded silver (aluminum) cd's and dvd's have been shown to be 
>> unreadable in as little as 2 years.  Gold cd's and dvd's use gold for 
>> the reflective layer which does not oxidize.
>>
> 
> As far as I know the metal is there to relfect the laser and the dye 
> layer blocks the laser. I therefore would assume that the stability of 
> the dye layer would also be important.
> James
> 
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