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

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

   DVD-RW represents a DVD "-" disc which can be read or written many times BD-RE represents a Blu-ray disc which can be read or written many times. In addition some of these media support MultiLevel Recording formats, for example dual layer (written as "DL"), and DVD also supports a "RAM" version (similar to RW), although this is not widely used ...

3. 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).

4. Optical storage media writing and reading speed - Wikipedia

   en.wikipedia.org/wiki/Optical_storage_media...

   Those 74 minutes come from the maximum playtime that the Red Book (audio CD standard) specifies for a digital audio CD (CD-DA); although now, most recordable CDs can hold 80 minutes worth of data. The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data ...

5. Optical disc drive - Wikipedia

   en.wikipedia.org/wiki/Optical_disc_drive

   For rewritable CD-RW, DVD-RW, DVD+RW, DVD-RAM, or BD-RE media, the laser is used to melt a crystalline metal alloy in the recording layer of the disc. Depending on the amount of power applied, the substance may be allowed to melt back (change the phase back) into crystalline form or left in an amorphous form, enabling marks of varying ...

6. Phase-change Dual - Wikipedia

   en.wikipedia.org/wiki/Phase-change_Dual

   Both drive and media, most of which are manufactured by Matsushita Electric Appliances only, the company also released a notebook PC with a 650 MB auxiliary storage device and a 4× CD-ROM drive, a PRONOTE PD (August 1996). CD-RW can be cited as a re-writable medium at the same time, but it is characterized by being able to write and delete on ...

7. Mount Rainier (packet writing) - Wikipedia

   en.wikipedia.org/wiki/Mount_Rainier_(packet_writing)

   Mount Rainier can be used only with drives that explicitly support it (a part of SCSI/MMC and can work over ATAPI), but works with standard CD-R, CD-RW, DVD+/-R and DVD+/-RW media. The physical format of MRW on the disk is managed by the drive's firmware , which remaps physical drive blocks into a virtual, defect-free space.