RECORDING METHOD UTILIZING REACTION DIFFUSION, RECORDING MEDIUM UTILIZING THE METHOD, AND RECORDING AND REPRODUCING APPARATUS UTILIZING THE RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a recording method utilizing the reaction diffusion, in which a phase change method and/or magneto-optical method as recorded by causing reaction diffusion of a dielectric layer and a recording layer by a laser beam, and to provide a recording medium utilizing this recording method and a recording and reproducing apparatus for recording information on the recording medium and reproducing recorded information.;SOLUTION: The purpose is attained by the recording methods: utilizing the reaction diffusion for recording information on a recording medium by a phase change system utilizing a change in an absorption coefficient of an optical constant by the reaction diffusion between a recording layer and a dielectric layer; utilizing the reaction diffusion for recording information on the recording medium by a magneto-optical system by causing a change in a magnetic spin direction at the reaction diffusion between the recording layer and the dielectric layer; and utilizing the reaction diffusion for recording information on the recording medium by utilizing a physical characteristic wherein a reaction diffusion part is swollen and convex at the reaction diffusion between the recording layer and the dielectric layer, and by the recording medium, and by the recording and reproducing apparatus capable of recording information on the recording medium and reproducing the recorded information.;COPYRIGHT: (C)2004,JPO