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Information @ a Glance


  • A Compact Disc (or CD) is an optical disc used to store digital data, originally developed for storing digital audio.
  • The compact disc is a successful spin-off of the much less successful Laserdisc technology.
  • CD data is stored as a series of tiny indentations (pits), encoded in a tightly packed spiral track molded into the top of the polycarbonate layer.
  • A compact disc [sometimes spelled disk] (CD) is a small, portable, round medium made of molded polymer (close in size to the floppy disk) for electronically recording, storing, and playing back audio, video, text, and other information in digital form

Technology and Process

  • Optical disc technology is a growing force in home video which became popular with the introduction of the audio Compact Disc.
  • Compact disc technology was later adapted for use as a data storage device, known as a CD-ROM, and to include record-once and re-writable media (CD-R and CD-RW).
  • Optical disc technology makes use of digital signal processing, contrary to the analog audio and video carriers, such as the gramophone record and the magnetic videotape.
  • CD and DVD disc production involves the following processes: Premastering, Glass Mastering, Replication, Printing, Packaging, Quality assurance
  • Polycarbonate of high purity is the needed raw material, which will be imported from Europe


  • Going forward as the market develops sufficiently to sustain the local CD production most of the countries then will have their own replication facility. Countries like Iran, Syria, Libya, Algeria, Tunisia and Jordan come into this category.
  • With a population of 1.2 billion people, China is potentially the largest single market for optical disc media in the world .

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Primary Information Services
 21 Murugappan St, SwamyNagar Ext2, 
Ullagaram, Chennai - 600091, India.
 Phone: 91 44 22421080 
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Mobile numbers:9940043898, 9444008898  Fax : 91 44 22423753