Releaselog

Tiny huge 1TB optical disc

Posted on 09.03.2008 at 19:29 in Tech News by RLSLOG

It is called the TeraDisk and it is really small, like a ordinary CD/DVD. But it’s really huge in terms of space. 1 TB (1000 GB). How can this be done? The process is easy (or not). All existing optical media record data on semitransparent layers. A regular CD has 1 layer and a Blu-Ray disk has up to 8. The reason nobody can add more layers on a regular CD/DVD/Blu-Ray disk is because when the light passes through these layers it becomes distorted and by the time it reaches the final layers it becomes almost impossible to read/write on the disk.

TeraDisk achieved the 1TB limit by using 200 layers, each storing 5GB of data. So basically the data support stay the same (TeraDisk will be made out of the same plexiglas like material used in other disks) but the write/read laser technology is completely new. They say it’s going to be cheap and it will be available for the public in 2010.

For more info on how this is done visit here or here.

drive-optics-diagram-large.JPG

 

Source: The Tech Don

* Comments(116)

Comments (116)

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  1. cw
    March 10th, 2008 | 12:13

    Old technology thats on the downhill.
    Really,who wants to have this one scratched?
    Imagine all the problems.
    Im using hd:s instead,much faster..

  2. Dj BooSt
    March 10th, 2008 | 12:21

    it must take several days to burn 1000gb lol

  3. hfghdfgh
    March 10th, 2008 | 13:21

    Who cares about discs? Discs are old now. Leave them for the dinosaurs like Sony.

  4. GhostGum
    March 10th, 2008 | 18:12

    didnt read most the comments, but as #8ish says, just more data to loose when the disc failes & corrupts… i want data security more than more storage.

  5. jon
    March 10th, 2008 | 20:24

    Funniest comment #99.

    haha!! Class – come and scratch my 22,000 movies with one single strike! :-)

  6. costa200
    March 10th, 2008 | 21:04

    basically having your data in a single disk then your kiddie brother uses it as a frisbee…

  7. Rekrul
    March 11th, 2008 | 01:12

    While they’re always working to increase the storage capacity of optical formats, do any of these companies put any effort into making the burning process more reliable?

    Practically every DVD I’ve ever burned has given me trouble reading back the data on the same drive. Some have real errors, but most make the drive “grind” 5-6 times before the speed drops down and it’s able to finish reading the file. CD burning used to fail about 5% of the time.

  8. too
    March 11th, 2008 | 02:05

    Well, Cheyenne Mountain Complex finally revealed Ancient’s crystals technology. Just about time.

  9. bojangles
    March 11th, 2008 | 03:57

    @92 – if nearly your entire collection of CD and DVD media is unreadable after just a couple of years, there is no other excuse except for poor storage and/or handling conditions.

    To those expressing concerns about a single scratch having a major impact on the disc, it is appropriate to be concerned but there are certainly solutions. One is to use a hard coating on the discs, coatings exist already for some optical media that makes scratches a non-issue except under very rough handling, in which case you have earned the right to lose that data. Another option is enclosing them similar to older DVD-RAM discs or floppy discs – not the most elegant answer and it increases costs, but it’s certainly one solution.

    To all of the comments about burning speeds, sure it’s not going to match a good Hard Drive for read/write speeds, but they’re certainly not slow. Why anyone is thinking in terms of time to burn a full disc, I don’t really understand. Think simply in terms of data rate, a disc as large as 1TB is not something that will commonly be burned fully in one step, it will more often be filled incrementally/multi-session/packet/etc. over time such as a hard drive. Think of it as something like a USB 2.0 HD, you can expect performance somewhere near that or better. Being rewriteable should be a given IMO for such a large medium, so hopefully that’s the case.

  10. Edyy
    March 13th, 2008 | 13:58

    @84 A romanian invented the basic principal for the 10 TB hyper – CD, I`m so proud :)

  11. doe
    March 15th, 2008 | 03:58

    i dont think this wuld be jused by privat consumers, not right away enyway, but take like cameras. they are all over the place now and storing all the video in and around one building is a enormus amount of space needed, one of thes discs culd hold real time video (not the one frame every sek as ther is in meny places now) of up to 4 cameras for weeks, the burning speed do not becom a factor in that case as it wuld take the same amount of time recording the disk. ofc, this may not be a good thing depending on how you look at it! (the number of cameras wuld skyrocket
    oh, and to the guy talking about storage devices with braincells in them, i wuld not want one of those! you save somthing inportant and 10 min later you try to find it and you get ”ERROR, WAS WATCHING PORN AND WAS NOT PAYING ATENTION AT THE TIME YOU SAVED THAT!”
    thers somthing wrong with your internet and you get, ”Good bye cruel world! format:/c” … but it culd be worse, what if the braincells came from a woman! you get home from a long day of work, begg your wife for 45min for sex befor you give up and go to surf the web for porn, and you end up spending 45min begging the pc to give you internet porn befor you give up and go to bed…
    and your calculator show 43 x 92 is ”thats like 1000 or somthing!”

  12. duh
    July 9th, 2008 | 14:43

    They dont care about speed YOU can record on this disk. When cd or dvd came out nobody was thinking about personal recorders. Those cd-s are designed to be pressed, all data at fraction of a second!
    And that why movies will not be distibuted on pendrives. It takes hundrets of seconds to write to pendrive, while to dvd/blue ray it takes fraction of a second to press 20 GB.

  13. duh
    July 9th, 2008 | 14:46

    if it takes >4min to write 4GB onto pendrive it would require 27 days to make 10 000 copies for the market. Get real ppl.

  14. James. Braselton
    May 22nd, 2009 | 03:03

    hi. There. I. Can't. Wait. 160. Terabyte. Game. And. Ssd. At. 160. Times. Faster. Then. Light. Speed

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