Yoesie - Music, Simply

A Quick Guide on "How a CD is Made"

A CD is made up of four layers. The first is the plastic layer...the "play side". This is the thickest later the one we'll be able to repair. Free Ground ShippingIt's also the later that holds the musical information. The other three layers. 2, 3 & 4 comined (reflective foil, lacquer, and graphic) are as thin as a human hair and offer little or no protection to the data beneath them. You can see the different layers below.

Graphic Layer (Layer 4)

the artwork of the disk is applied to the lacquer layer (layer 3) by screening/printing it onto the disk. (Recordable CDs won't have this layer.)

Lacquer Layer (Layer 3)

A clear lacquer coating is applied to the reflective foil layer to seal it and prevent oxidation. This lacquer layer is very thin and offers very little protection from top side scratches.

Reflective Foil Layer (Layer 2)

After the digital date is stamped on layer 1, a micro thin reflective foil layer of aluminium (copper, silver, or gold on higher quality CDs) is applied to the top of the CD covering that data. This foil layer reflects the laser beam back through the plastic disc, allowing the stamped data to be read by the CD player.

Polycarbonate Plastic Disc (Layer 1)

The "play side" of the disk is stamped with digital data creating millions of microscopic bumps that represent "on" and "off's" or zeros and ones. These bumps are knows as "Pits and Lands". This is the layer that can be repaired by Yoesie's Repair Dept.