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by ChrisDG on November 13th, 2007

ChrisDG

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Is the limit to storage capacity on discs such as CDs, DVDs, simply the type of laser used? In which case why not use the laser that would provide the highest capacity?

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Answers. 2 helpful answers below.

  • by Im Alec has abandoned this account on November 13th, 2007

    Im Alec has abandoned this account

    One of the limits is the laser - the higher the frequency if the laser, the smaller the feature size and hence th4 more data can be packed into a given area.Why not use the laser which will provide the highest capacity? Cost, The kind of X-ray laser which would provide the highest capacity currently achievable would cost of the order of 100 million dollar. Higher capacity costs.

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  • by Ash on November 13th, 2007

    Ash

    no, it is based on the type of disk you buy. cds are smaller than DVDs. i think a CD holds 80mb .... but dont quote me on that one

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