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Home > All Images > 2000 > October > 11 Oct 2000

Images Dated 11th October 2000

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 14 pictures in our Images Dated 11th October 2000 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

Compact disc surface Featured 11 Oct 2000 Print

Compact disc surface

Compact disc surface. Coloured scanning electron micrograph (SEM) of the surface of an audio compact disc exposed to show the musical layer below. The plastic disc is pressed with a series of fine depressions representing a digitised musical signal capable of being read by a laser. To reflect the laser light, the music layer is coated with a fine film of metal which follows the depressions exactly. This layer is covered by another layer of transparent plastic (upper right). The music is sandwiched between two layers of plastic which prevents dust and scratches from affecting the sound. Magnification: x3, 450 at 5x7cm size