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2. CD-RW - Wikipedia

   en.wikipedia.org/wiki/CD-RW

   CD-RW (Compact Disc-Rewritable) is a digital optical disc storage format introduced by Ricoh in 1997. [1] A CD-RW compact disc (CD-RWs) can be written, read, erased, and re-written. CD-RWs, as opposed to CDs, require specialized readers that have sensitive laser optics.

3. Optical disc drive - Wikipedia

   en.wikipedia.org/wiki/Optical_disc_drive

   Sony eventually released the first commercial erasable and rewritable 5 + 1 ⁄ 4-inch optical disc drive in 1987, [53] with dual-sided discs capable of holding 325 MB per side. [54] The CD-ROM format was developed by Sony and Denon, introduced in 1984, as an extension of Compact Disc Digital Audio and adapted to hold any form of digital data ...

4. 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).

5. Optical disc - Wikipedia

   en.wikipedia.org/wiki/Optical_disc

   The data are stored on the disc with a laser or stamping machine, and can be accessed when the data path is illuminated with a laser diode in an optical disc drive that spins the disc at speeds of about 200 to 4,000 RPM or more, depending on the drive type, disc format, and the distance of the read head from the center of the disc (outer tracks ...

6. DVD recordable - Wikipedia

   en.wikipedia.org/wiki/DVD_recordable

   DVD recordable and DVD rewritable are a collection of optical disc formats that can be written to by a DVD recorder and by computers using a DVD writer. The "recordable" discs are write-once read-many (WORM) media, where as "rewritable" discs are able to be erased and rewritten.

7. Phase-change Dual - Wikipedia

   en.wikipedia.org/wiki/Phase-change_Dual

   Phase-change Dual (or Phase-change Disc) is a rewritable optical disc and a standard for it, developed by Matsushita Electric Industrial Co., Ltd. in April 1995. It has a capacity of 650 MB on one side, and the size of the disc is 12 cm in diameter (5 inches) similar to a general CD or DVD, and it is used in a state where it is housed in a ...