Wat (wie) is magneto-optical disk - definitie
ROTATING STORAGE MEDIUM
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![[[Minidisc]]s are magneto-optical discs used to store music.](https://commons.wikimedia.org/wiki/Special:FilePath/Memorex-minidisc.jpg?width=200 "[[Minidisc]]s are magneto-optical discs used to store music.")
magneto-optical disk
<hardware, storage> (MO) A plastic or glass disk coated with a
compound (often TbFeCo) with special optical, magnetic and
thermal properties. The disk is read by bouncing a
low-intensity laser off the disk. Originally the laser was
infrared, but frequencies up to blue may be possible giving
higher storage density. The polarisation of the reflected
light depends on the polarity of the stored magnetic field.
To write, a higher intensity laser heats the coating up to its
Curie point, allowing its magnetisation to be altered in a way
that is retained when it has cooled.
Although optical, they appear as hard drives to the {operating
system} and do not require a special filesystem (they can be
formatted as FAT, HPFS, NTFS, etc.).
The initial 5.25" MO drives, introduced at the end of the
1980s, were the size of a full-height 5.25" hard drive (like
in IBM PC XT) and the disks looked like a CD-ROM enclosed
in an old-style cartridge
In 2006, a 3.5" drive has the size of 1.44 megabyte
diskette drive with disks about the size of a regular 1.44MB
floppy disc but twice the thickness.
{Storage FAQ
(http://cis.ohio-state.edu/hypertext/faq/usenet/arch-storage/part1/faq.html) }.
(2006-07-25)
LIMDOW
Laser / Light Intensity Modulation, Direct OverWrite (Reference: MOD)
magneto-optical drive
Wikipedia
Magneto-optical drive
A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc. Both 130 mm (5.25 in) and 90 mm (3.5 in) form factors exist. In 1983, just a year after the introduction of the Compact Disc, Kees Schouhamer Immink and Joseph Braat presented the first experiments with erasable magneto-optical Compact Discs during the 73rd AES Convention in Eindhoven. The technology was introduced commercially in 1985. Although optical, they normally appear as hard disk drives to an operating system and can be formatted with any file system. Magneto-optical drives were common in some countries, such as Japan, but have fallen into disuse.
