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Best media for long term storage - Taiyo yuden or TDK scratchproof?

Discussion in 'DVD±R media' started by smokee, Mar 1, 2007.

  1. smokee

    smokee Member

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  2. wgd9891

    wgd9891 Member

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    Taiyo Yuden will be the best for long term quality. DO NOT get TDK. Instead get Verbatim if you can.

    1st choice: TY, 2nd choice: Verbatim.
     
  3. IHoe

    IHoe Senior member

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    [​IMG]
    if you're storing your disks in these boxes you are doing it the right way! I have plenty of those boxes and categorized for easy retrieval. If you are asking which is a top notch media to use then stick with the MIJ rule (Made In Japan).. or just use Verbatim.... top notch media but made in Taiwan/Singapore and the only exception to the MIJ rule. I strictly use Taiyo Yuden and use the storage box above!
     
  4. smokee

    smokee Member

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  5. JoeRyan

    JoeRyan Active member

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    If the discs are prone to multiple uses and potential scratches, your first choice should be Verbatim archival discs with the double alloy, then TDK (if your drive records to them properly), and lastly Taiyo Yuden. Only the first two of these three offer a hard coat. All three use azo-cyanine dye. There are some problems with types of hard coats, but the TDK Durabis uses a solvent-based spin coating that avoids most of the hard coat problems.

     
  6. smokee

    smokee Member

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  7. smokee

    smokee Member

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  8. ricster

    ricster Regular member

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  9. JoeRyan

    JoeRyan Active member

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    The gold CD-Rs are fine; but since gold reflects light less than silver alloy and was not part of the DVD design, the gold DVDs do not perform as well as other good DVDs in the market.
     
  10. ricster

    ricster Regular member

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  11. smokee

    smokee Member

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  12. smokee

    smokee Member

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  13. ricster

    ricster Regular member

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    Well, no - it might not be good advice after all. Sounds like Joe disagrees with their findings. Admittedly that advice was from 2003.
     
  14. G-Dizzle

    G-Dizzle Regular member

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    Where did you get that storage box?
     
  15. tsquare43

    tsquare43 Regular member

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    I have the same one and I got it from Merittline.
     
  16. JoeRyan

    JoeRyan Active member

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    The Verbatim archival media (the ones in Smokee's link) use gold to stabilize the reflector layer and silver to achieve the proper reflectivity. Gold reflects less laser light than silver or silver alloy, and reflectivity is an important mechanical aspect of DVDs. Greater reflectivity increases dynamic range/contrast levels. Verbatim tries to achieve a balance between gold and silver to keep the reflectivity up. Pure gold reflectors have lower reflectivity, and although those discs are stable over time, their initial error rates are disappointing. The initial error rates are what I meant by "performance."
     
  17. ricster

    ricster Regular member

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    OK, I need to clarify this since I have some gold discs that are storing digital photos...

    1) What do you mean by "initial error rate" ?
    2) If I had a successful burn, do I need to check every photo to see that it's actually ok ?
    3) Are you saying that, once burned, the gold discs are the most stable and hence offer the longest life ?

    Sorry for all the questions but I like to understand.
     
  18. smokee

    smokee Member

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  19. JoeRyan

    JoeRyan Active member

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    1) High initial error rate means PIE or PIF errors higher than ideal. The maximum PIE errors should be no higher than 25 with an average of below 15; PIF errors should have a maxima of 2 with an ideal average below 1. Test results I have seen on gold DVD reflectors have an average PIE of around 50 to 70. (A "coaster" signifies a failed disc that is no good for anything but protection under a sweating beer mug.)
    2) Once a disc is recorded, the "photos" are data. All you need to do is verify the integrity of the data rather than check every jpg file. Checking every jpg file is not a bad thing to do; it just takes a lot more time. (Just view the photo folder in thumbnail form to make a quick survey of file readability.)
    3) Environmental tests indicate that the gold discs are not necessarily the longest lasting. The gold reflective layer's freedom from oxidation cannot overcome other factors such as bonding integrity, mechanical precision, or dye stability.
     

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