CD-R

Also known as Compact disk - recordable, Compact disc - recordable, CD-Recordable, CD Write-Once, CD-WO, CD Write Once, Read Many, CD-WORM, ECMA-394

CD-R (Compact disc-recordable) 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.

Key facts

Storage medium.name: Compact disc-recordable
Storage medium.logo: CD-R logo.svgclass=skin-invert
Storage medium.image: Compact Disc.png
Storage medium.type: Optical disc
Storage medium.encoding: Various
Storage medium.capacity: Typically up to 700 MB (up to 80 minutes audio)
Storage medium.read: 600-780 nm wavelength (infrared and red edge) semiconductor laser, 1200 Kbit/s (1×) to 100 Mb/s (56x)
Storage medium.write: 780 nm wavelength (infrared and red edge) semiconductor laser
Storage medium.standard: Rainbow Books
Storage medium.owner: Philips, Sony
Storage medium.use: Audio and data storage
Storage medium.extended from: Recordable LaserDiscCD-ROM
Storage medium.extended to: CD-RWDVD-R

via Wikipedia infobox

~24 min read

Encyclopedic overview

16 sections

Contents

History
Music CD-Rs
U1 bit values
Physical characteristics
Dyes
Speed
Writing methods
Formatting CD-R into CD-ROM
Lifespan
Labeling
Disposal
Data confidentiality
Recycling
See also
References
External links

CD-R (Compact disc-recordable) 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-R discs (CD-Rs) are readable by most CD readers manufactured prior to the introduction of CD-R, unlike CD-RW discs.

Excerpted from Wikipedia’s “CD-R” article, available under the CC BY-SA 4.0 licence.