LOGO DISC only uses top quality CD Media.  Our Process puts "Paint" between your Marking Pen and the physical Disc surface.

Once a disc is burned, a laundry list of factors affects how long stored data can be retrieved. These variables include:

·         Media quality: All CD-Rs are based on a thin, polycarbonate base. Any wobble or imbalancing of the disc -- caused, for example, by an applied label or out of level workstation -- can negatively impact the burning process.

·         The type of dye used to protect the underside of the disc: This factor makes the most difference to the shelf life of a disc because the effect of sunlight can seriously impair longevity.

·         Method of storage: Keeping discs in sleeves or stored upright in jewel cases when not in a drive minimizes the possibility of scratching.

·         Storage environment: The ideal temperature range is 41-68, with humidity between 30-50%. Direct sunlight should be avoided at all times.

·         Marking method:  Permanent markers (like "Sharpies") should be avoided when writing directly to the "Silver" Disc. Paper labels should always be applied to the jewel case, never to the disc itself. While manufacturers may sell circular adhesive labels that can be printed at the home or office, solvents in the paper, adhesives or inks can all degrade the disc. Uneven application of the labels can also cause the CD-R to wobble in high speed players, causing read/write errors or even damaging the player itself.

There are three types of recording dye being used right now on CD-R, and it’s easy to determine which one your media is using by simply looking at the color. Discs that have a silver or gold look to the bottom of the disc are using phythalocyanine dye. Discs with a green/blue color are using cyanine dye, while discs with a bright blue color are using Azo dye.

Most low cost media today have phythalocyanine dye, as end users like that “real CD” look the almost clear dye creates, but not all discs using phythalocyanine dye are created equal. The best of the lot is the Mitsui/MAM-A CD-Rs, which use proprietary phythalocyanine dye formula. Because of their dye material's strengths, Mitsui gold CD-Rs feature a shelf life of 250 years, a fact that makes them archival standard. (The gold reflective layer reduces the possibility of oxidation over time, adding to the benefit of the premium dye.) Mitsui silver CD-Rs have a shelf life of 100 years, still pretty nice as compared to other discs. Most any CD that uses the phythalocyanine dye will do really well with shelf life, but if it’s a concern for you, search out the Mitsui/MAM-A.

Cyanine dye CD-Rs have a shelf life of about 30 years, and are seen primarily on discs made by Taiyo Yuden. TY is the last of the CD-Rs still made in Japan, so while Taiyo product is sold under many different major brand names, looking for the “Made in Japan” tag is a nice way to find it. While the cyanine dye many not have the longest shelf life, the overall quality in the TY discs can almost overshadow that deficiency.

They can be impacted by light pretty dramatically. Leave a cyanine CD-R on the dashboard of your car, and you'll lose the content quickly. Leave a Phthalocyanine dye Mitsui CD-R in the same place and you'll find it much less susceptible to the light. (Any CD-R you use should be kept away from direct sunlight just to be safe.)

Azo dye is primarily used by Verbatim, whose parent company Mitsubishi Chemical is the leader in Azo dye technology. While not a prevalent as the other dyes, Verbatim is making big steps fine-tuning the Azo to optimize shelf life. Just notes that not all Verbatim discs are Azo, as they also make media in some of their plants with cyanine and phythalocyanine dye. Expect this shelf life to fall somewhere beyond the 30 years of the TY, and under the 100 for the Mitsui/MAM-A silver.

 

 
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