degauss

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degauss

[dē′gau̇s]
(electronics)
To remove, erase, or clear information from a magnetic tape, disk, drum, or core.
(electromagnetism)
To neutralize (demagnetize) a magnetic field of, for example, a ship hull or television tube; a direct current of the correct value is sent through a cable around the ship hull; a current-carrying coil is brought up to and then removed from the television tube. Also known as deperm.

degauss

To remove unwanted magnetism from a monitor or the read/write head in a disk or tape drive. Some monitors have a built-in degaussing function that can be activated by the user. See gauss and bulk eraser.
References in periodicals archive ?
Recyclers promote the fact that the used media is degaussed and returned to a good-as-new condition, but this is another potential problem area.
When an LTO cartridge is degaussed, the servo tracks are erased along with any data and the tape becomes unusable.
We send degaussed media that can't be used for new diskettes to Chinese companies, who cut them into strips for use in credit cards," he says.
On the negative side, a cartridge with servo tracks cannot be degaussed because erasure would remove the head positioning ability of the drive (This is not the case with SDLT.
Contract awarded for Supply and delivery of 6 degaussed battery packs for rdi workhorse sentinel acoustic doppler current profiler (adcp)