disc repair
The removal of fingerprints and scratches from the non-label side of CDs and DVDs. Although lasers can read a disc with minor scratches, heavy scratches will cause read errors. The lowest-end repair kits provide a bottle of liquid and hand wipes for removing minor scratches. Consumer machines are widely available that buff the disc surface, while high-end prosumer and commercial machines resurface the disc by sanding or reshaping. See also data recovery.
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| Consumer Grade |
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| Models similar to this unit from Aleratec are widely used in the home to clean and restore most discs. This unit performs a light sanding of the surface. (Image courtesy of Aleratec Inc., www.aleratec.com) |
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| The Wet Sanding Method |
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| Used by prosumers, this Aleratec machine sands the surface by bathing the disc in an abrasive liquid for several minutes. (Image courtesy of Aleratec Inc., www.aleratec.com) |
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| The Dry Approach |
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| Used by prosumers and disc rental organizations, this Venmill Skip-Away heats the disc to a temperature that enables a buffing wheel to reshape the surface without removing any material. Venmill also makes higher-speed commercial models for continuous use, and all units employ the reshaping method. |
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