File:CD layers.svg

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[edit] Summary

Description
English: Diagram of CD layers.
A. A polycarbonate disc layer has the data encoded by using lands and pits.
B. A reflective layer reflects the laser back.
C. A lacquer layer is used to prevent oxidation
D. Artwork is screen printed on the top of the disc.
E. A laser beam reads the polycarbonate disc, is reflected back, and read by the player.
Français : Les couches composant un disque compact.
A. Couche de polycarbonate comportant l'information codée sous la forme de cavitées.
B. Couche réfléchissante.
C. Couche de laque prévenant l'oxydation
D. Étiquette imprimée sur le dessus du disque.
E. Le rayon laser traverse les cavités, est réfléchi, puis est détecté par le lecteur.
Date

07:10, 26 September 2008 (UTC)
Source

Own work by uploader. Disc image taken from Image:Etiquette cd-rom 01.svg
Author

Pbroks13
Permission
(Reusing this file)

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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

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This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Compact disc. You can see its nomination at Commons:Valued image candidates/CD layers.svg.

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Date/TimeThumbnailDimensionsUserComment
current07:10, 26 September 2008Thumbnail for version as of 07:10, 26 September 20081,000 × 1,000 (60 KB)Pbroks13 (talk | contribs) ({{Information |Description={{en|1=Diagram of CD layers. :A. A polycarbonate disc layer has the data encoded by using bumps. :B. A reflective layer reflects the laser back. :C. A lacquer layer is used to prevent oxidation :D. Artwork is screen printed on )

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