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US08238215B2 Recording medium, and recording and reproducing apparatus 失效
记录介质,以及记录和再现装置

Recording medium, and recording and reproducing apparatus
摘要:
A recording medium includes: at least one recording layer on which information is recorded by multi-photon absorption; and a servo layer disposed in a laminated direction with respect to the recording layer and having a track for guiding a beam spot of laser light having a first wavelength and a beam spot of laser light having a second wavelength along a scanning trajectory, wherein the servo layer and the at least one recording layer constitute a set of layers, and a plurality of sets of layers is formed in the laminated direction.
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