Patent ID: 6200673
Filing Date: 2001-03-13
Classification: G11B,Y10T

Abstract:
A magneto-optical recording medium comprising a substrate and a multilayer magnetic film, wherein said multilayer magnetic film includes at least a recording layer and a supporting layer, and wherein said multilayer magnetic film exhibits a magneto-optical effect on reflected light of a laser beam irradiating the recording medium, characterized in that the recording layer has a higher Curie temperature than has the supporting layer and the recording layer has a greater coercive force than has the supporting layer at room temperature, the recording layer has a thickness of 10-50 nm, and the multilayer magnetic film has a thickness of 20-100 nm, the recording medium having properties that it can be overwritten, and read-out for verification can be performed immediately after overwriting, and wherein the recording medium further comprises a metal reflecting layer on the multilayer magnetic film.