Patent ID: 6707767
Filing Date: 2004-03-16
Classification: G11B

Abstract:
A magneto-optic recording medium in which information is reproduced while a recording magnetic domain is enlarged by displacing a domain wall based on a temperature distribution formed by a beam of light and having a maximum temperature Tr comprising:a reproducing layer in which a domain is displaced; a recording layer for holding a recording magnetic domain corresponding to information; and a cutoff layer disposed between said reproducing layer and said recording layer and having a Curie temperature lower than a Curie temperature of both said reproducing layer and said recording layer, wherein the recording medium satisfies the following condition; (Trâˆ’RT)/(Tc2âˆ’RT)&gE;1.8 â€ƒwhere Tc2: Curie temperature of said cutoff layer, and RT: room temperature.