applications

 

Optical Discs

"Optical discs are most commonly used for storing music (e.g. for use in a CD player), video (e.g. for use in a Blu-ray player), or data and programs for personal computers (PC). The Optical Storage Technology Association (OSTA) promotes standardized optical storage formats. Although optical discs are more durable than earlier audio-visual and data storage formats, they are susceptible to environmental and daily-use damage. Libraries and archives enact optical media preservation procedures to ensure continued usability in the computer’s optical disc drive or corresponding disc player." Raw Materials used in this industry include Al, Ag and Au

 

 

Wikipedia; Optical Disc

April 4th, 2014 (http://en.wikipedia.org/wiki/Optical_disc)