SEM of a DVD

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DVD disc surface. Colored scanning electron micrograph (SEM) of the surface of a digital video disk. The plastic disc is pressed with a series of fine depressions representing a digitized video signal capable of being read by a laser. To reflect the laser light, the plastic is coated with a fine film of metal .The calibration bar is 1 um...
DVD disc surface. Colored scanning electron micrograph (SEM) of the surface of a digital video disk. The plastic disc is pressed with a series of fine depressions representing a digitized video signal capable of being read by a laser. To reflect the laser light, the plastic is coated with a fine film of metal .The calibration bar is 1 um...
Filename: K08SEMdvd01B.jpg
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