CD-R Specs:
track width (min): 0.5 micrometer
track pitch: 1.6 micrometer
spot length (min): 0.83 micrometer
spot height (pressed CDs): 125 nanometer
total data path: 5 kilometers



DVD Specs:
track pitch: 0.74 micrometer
spot length: (min): 0.4 micrometer

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Specs provided by
Michael Georgiady, Ph.D.
Department of Biology
Appalachian State University
Boone, NC 28608-2027