File:CD layers.svg

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.
Español: Diagrama de las capas de un CD.
A. Capa de policarbonato que contiene los datos usando cavidades y picos para controlar los reflejos del haz de láser.
B. Capa reflectante metálica en la parte trasera del CD.
C. Capa de laca para prevenir la oxidación de la capa B.
D. Etiqueta de impresión o de escritura.
E. El rayo láser incide sobre la capa de policarbonato y se refleja sobre la capa metálica para luego volver y ser leído por el receptor.
فارسی: .نمای لایه‌های لوح فشرده
A. لایه پلی کربنات
B. لایه براق منعکس‌کننده آلومنیوم
C. لایه محافظ لاکی
D. لایه تزئینی چاپی
Date (UTC)
Source Own work by uploader. Disc image taken from Image:Etiquette cd-rom 01.svg
Author Pbroks13

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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 here.

Category:Valued images sorted by promotion date#1237724460 Category:Valued images promoted 2009-03#1237724460Category:Valued images missing SDC source of fileCategory:Valued images missing SDC depictsCategory:Valued images missing SDC inception Category:Compact discs Category:Polycarbonate
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