Recording medium

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Recording medium

A recording medium is a physical material that holds information expressed in any of the existing recording formats.

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Ancient examples

  • Papyrus
  • Paper (painted or written with a pencil). Today paper is mainly produced from wood pulp; in ancient times, old clothes were used. "Modern paper" was invented in France around the 14th century.
  • Clay and stone (carved or incised)
  • Wax tablets
  • Chalk
  • Quipu
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Examples since the 19th century

  • Photographic film
  • Wax for recording Phonograph cylinders
  • "Shellac" compound and later vinyl for analog disk records
  • Plastic sheet for Dictaphone recorders
  • Steel wire for magnetic wire recorders
  • Magnetic tape
  • Rigid magnetic disks and cylinders
  • Floppy magnetic disks
  • Pressed optical media for CDs and DVDs
  • Write-once, read-many optical media for writable CDs and DVDs
  • Read-write optical media for rewritable CDs and DVDs
  • Flash memory media
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See also

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