h a l f b a k e r yIf ever there was a time we needed a bowlologist, it's now.
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1 / Make thin discs of DLC. That’s synthetic diamond.
2 / Burn the information that you want to keep onto it, as rounded pits, using a laser.
3 / use CVD to put a layer of silicon carbide over the data surface.
That makes a type of clear CD. Light will pass straight through the flat parallel
surfaces. But because of the difference in optical properties, light hitting the pits will be scattered.
Durable but expensive CDs.
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Shine the light parallel to the surfaces, in the
extremely narrow space between synthetic
diamond and silicon carbide layers. The pits will
scatter the light normal to the surface, where it
can be detected by an array of photodiodes. This
will allow reading of multiple tracks
simultaneously, and reduce, or eliminate the
need to move the read head. |
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But mainly, it'll eliminate the need to change the
spelling. |
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