What Is Erasure?

- Jun 23, 2018-

Erasure is the process of erasing magnetic signals recorded on magnetic tapes. Normally, there are two forms of DC erase and AC erase. The former has a poor effect through the establishment of a saturated magnetic field smear, but it is simple and easy; the latter has a good effect by demagnetizing and erasing the super-acoustic alternating magnetic field whose amplitude gradually changes to zero.



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