Industry Glossary

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CD (Compact Disc): Flat, round, optical medium that can store up to 700 megabytes of digital data or 80 minutes of audio. Data is read from a CD using a laser.

CD Duplication The process of transferring original data from a variety of sources onto a CD Recordable disc to form the microscopic optical marks that contain the digital information. Data can be static or dynamic and unique for each disc copied.

CD Manufacturing Process of copying original data from a master source to a disc by means of “stamping” or “pressing” the digital information, in the form of optical marks called lands and pits, into the raw polycarbonate disc material. The polycarbonate is then metallized to make it reflective producing a CD-ROM. Data is static information.

CD Replication Process of copying original data from a master source to a disc by means of “stamping” or “pressing” the digital information, in the form of optical marks called lands and pits, into the raw polycarbonate disc material. The polycarbonate is then metallized to make it reflective producing a CD-ROM. Data is static information.

CD-PROM: A CD-PROM combines a stampable (static data area) with a writable (recordable area) on one disc, resulting in a CD that can be stamped with core content, then written to by a CD writer with individual content.

CD-R (Recordable): Compact disc that is manufactured with a dye layer that is later “burned” by special laser recording devices in order to store digital data.

CD-R/DVD-R Duplication System: Recording technology designed to copy large quantities of recordable discs without the manipulation of dynamic information.

CD-R/DVD-R Publishing System: Software-driven recording technology that allows data to be transferred to a recordable disc in customized forms from a variety of computer generated, digital sources with the option of customized graphic color printing.

CD-ROM (Read Only Memory): Compact disc that is formed using injection molding during the manufacturing process with digital data that cannot be changed on the disc after production.