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  2. List of optical disc manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_disc...

    This list includes both CD, DVD and Blu-ray recordable and rewritable media manufacturers (like Ritek), and disc replicators (companies that replicate discs with pre-recorded content, like Sony DADC).

  3. Comparison of popular optical data-storage systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_popular...

    The following are examples of optical storage media excluded from this article: Holographic data storage - either still in development, or available but generally only encountered in niche usage as of 2007. Laserdisc - not used for recordable data storage in the computing world, although recordable formats did exist briefly.

  4. Optical disc recording technologies - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_recording...

    The most common form of recordable optical media is write-once organic dye technology, popularized in the form of the CD-R and still used for higher-capacity media such as DVD-R. This uses the laser alone to scorch a transparent organic dye (usually cyanine , phthalocyanine , or azo compound -based) to create "pits" (i.e. dark spots) over a ...

  5. CD-RW - Wikipedia

    en.wikipedia.org/wiki/CD-RW

    Rewritable media can, with suitable hardware, be re-written up to 100,000 times. The CD-RW is based on phase change technology, with a degree of reflection at 15–25%, [6] compared to 40–70% for CD-R discs. [6] The properties of the medium and the write and erase procedure is defined in the Orange Book Part III.

  6. Removable media - Wikipedia

    en.wikipedia.org/wiki/Removable_media

    In computing, a removable media is a data storage media that is designed to be readily inserted and removed from a system. [1] Most early removable media, ...

  7. Computer data storage - Wikipedia

    en.wikipedia.org/wiki/Computer_data_storage

    Read/Write DVD drive with cradle for media extended. Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16

  8. CD-R - Wikipedia

    en.wikipedia.org/wiki/CD-R

    Burned CD-Rs suffer from material degradation, just like most writable media. CD-R media have an internal layer of dye used to store data. In a CD-RW disc, the recording layer is made of an alloy of silver and other metals—indium, antimony, and tellurium. [20] In CD-R media, the dye itself can degrade, causing data to become unreadable.

  9. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    Media technologies vary, for example, M-DISC media uses a rock-like layer to retain data for longer than conventional recordable media. While being read-only compatible with existing DVD and Blu-ray drives, M-DISC media can only be written to using a stronger laser specifically made for this purpose, which is built into fewer optical drive models.