Re: [JFW] JFW and Roxio CD Label Creator

Greetings!!
A die is used for printing the labels, not writing the CD's

Cheers

Craig

Chris Smart wrote:

>At 02:13 PM 6/29/2004, you wrote:
>
>  
>
>>Dye is not used for recording CD's.  The data is burned into the foil
>>    
>>
>
>Please see:
>http://www.mediastore.com/cdr/cdr_faqs.asp
>
>I'll quote a bit below.
>If dye is not used to facilitate recording, why then do we call it 
>recording dye?
>
>
>What is the difference between gold and silver and blue CDRs (when viewing 
>from the bottom)?
>
>Most importantly, gold CDRs are no longer being made. Silver CDRs are the 
>premium CDR in the industry and years of experience tell us that the best CDRs
>are Mitsui Silver. Blue CDRs are a widely mixed breed. You will find 
>bluish-grey, greenish-blue, bluish-purple, greenish-grey, and more, but the 
>best test
>is to hold the CD up to the light and see how translucent or see-through 
>that it is compared with others. Generally, the more see-through discs have 
>less
>recording dye and are of a lesser quality. We recommend the more opaque 
>disc, whether it is silver, green, blue, or whatever.
>Q:
>A:
>Why are different manufacturers' discs different color green (or blue)?
>
>The color of the CD-R disc is related to the color of the specific dye that 
>was used in their recording layer of the disc. This base dye color is modified
>when the reflective coating is added. Some of the dye - reflective coating 
>combinations appear green, some appear blue and others appear yellow. Visual
>differences between various media types are irrelevant from the standpoint 
>of their actual operation. At 750 nm, where CD-R recorders and CD-ROM readers
>function, the media are, for all intents and purposes, indistinguishable 
>from an optical standpoint. They all "look" the same.
>Q:
>A:
>What are the differences/benefits between cyanine, phthalocyanine and azo dyes?
>
>There are a number of important recording characteristics associated with 
>each dye and reflectivity coating combination as well as some longevity issues.
>Each media manufacturer strives to balance the engineering characteristics 
>of the dye to insure greater compatibility with recorders and readers and long
>archive life. In addition to cyanine and phthalocyanine, there is also azo 
>dye. Cyanine dye and its metal-stabilized derivatives were originally used 
>because
>the Orange Book, Part l referred to the recording characteristics of 
>cyanine-based dyes in establishing CD-Recordable standards.
>So, dyes based on cyanine tend to have a wide range of acceptable recording 
>power levels and recording speeds. The phthalocyanine dye is a newer dye that
>appears to be less sensitive to exposure to light after recording so that 
>longevity has been improved. Azo dye has been used in other optical recording
>media and is now being used in CD-R. The media manufacturers use these 
>different dyes in combination with dye thickness, reflectivity thickness 
>and material
>and groove structure to fine tune their recording characteristics for a 
>wide range of recording speeds, recording power and media longevity. Over time,
>there has been a steady convergence in the properties of the various dyes 
>used for CD-R.
>
>
>...
>Thanks for the mention of the Word template for printing labels. that is 
>probably much more accessible than the dedicated labeling programs.
>
>Chris
>
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>  
>


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