CD-RW is a digital optical disc storage format introduced by Ricoh in 1997. A CD-RW compact disc can be written, read, erased, and re-written.
CD-RW with distinctively darker data surface than a CD-R and a factory-pressed CD-ROM.
Data structure on a CD-RW
CD-R is a digital optical disc storage format. A CD-R disc is a compact disc that can only be written once and read arbitrarily many times.
CD-RW
…Logo of Compact Disc-ReWritable (CD-RW). CD-RW with distinctively darker data surface than a CD-R and a factory-pressed CD-ROM. CD-RW (Compact Disc-Rewritable) is a digital optical disc storage format introduced by Ricoh in 1997. A CD-RW compact…
Isolated data layer of a CD-R
Photomicrograph of the groove in a CD-R disc
An example of a CD-R burned in 2000 showing dye degradation in 2008. Part of the data on it has been lost.