Abstract
This paper is a review article for magneto-optical (MO) recording. Principles of writing (erasing) and reading and an outline of a MO recording apparatus are described firstly. Secondly, recording media (including material requirements and properties of rare earth-transition metal amorphous films), methods of film preparation, and the construction and properties of the MO disk are illustrated shortly. Lastly, future problems to be solved for practical use are discussed.
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