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CD-RCD-R discs are a form of optical media Compact Disc that are premanufactured with no data on them, but the ability to have data recorded onto them using disc “burning” or duplication equipment. CD-R stands for Compact Disc Recordable. CD-R’s offer the benefit of being able to be produced much faster (in small quantities) than the more traditional stamped CD-ROM discs; however, depending on the application, they may, in some cases, be a less universally compatible solution than CD-ROM discs.
 
CD-ROMCD-ROM or Compact Disc Read-Only Memory are optical media CD discs that are manufactured with the data embedded onto the disc at the time of its creation. These discs are stamped (also known as molded or replicated) using high-end injection molding machines that produce a finished disc (all but the print on the surface). CD-ROM discs are typically created in quantities of no less than 1,000 pieces at a time due to the nature of the production process. CD-ROM discs can in some cases be more universally compatible than CD-R type discs; however, the production process can take much longer.
 
Compact DiscCompact Disc – this is the generic term that is often used to cover all forms of 120mm polycarbonate optical media discs with a capacity of approximately 600MB’s. Compact Discs are made from a 1.2 mm thick disc of polycarbonate plastic, with a thin layer of aluminum to make a reflective surface. The most common size of CD-ROM disc is 120 mm in diameter, though the smaller Mini CD standard with an 80 mm diameter, as well as numerous non-standard sizes and shapes (e.g. business card-sized media) are also available. CD’s are commonly used for music and audio reproduction, but can also be used to distribute data files, software applications and other types of multimedia.
 


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