Monday, January 23, 2006

Scratch-less CD-R?

Not quite. The way it resists scratches is through a combination of bumps, ridges, and a hard coating. In other words, avoiding contacts as much as possible is the key.

Scratch-Less inventor Todd Kuchman experimented with partial ridges, eventually finding success with small bumps - 20, to be exact - around the rim of the disc. These bumps, in addition to a full ridge in the inner portion of the disc, solved most of the drive compatibility problem. The hard, scratch-resistant coatings further prevent data lost if someone intentionally scratches the disc.

The bad news is some CD-ROM drives still cannot read his discs, but adds that a list of those drives are on the Scratch-Less Disc Web site.


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