Magneto-optical recording medium

摘要

A magneto-optical recording medium is disclosed, comprising a substrate having thereon a recording layer comprising laminated thin films of rare earth metals and transition metals, wherein said recording layer has a structure such that a unit of laminated thin films is periodically laminated in the thickness direction of the recording layer, and each unit of said laminated thin films is composed of at least four thin films and includes a thin film of a rare earth metal having disposed adjacent to both surfaces of the thin film of the rare earth metal a thin film of a transition metal as the upper and lower layers.