OPTICAL INFORMATION RECORDING MEDIUM, METHOD FOR MANUFACTURING OPTICAL INFORMATION RECORDING MEDIUM, METHOD FOR REPRODUCING OPTICAL INFORMATION RECORDING MEDIUM AND REPRODUCING DEVICE FOR OPTICAL INFORMATION RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To obtain an optical information recording medium in which information with a significantly larger volume than a two-dimensional code can be imparted and illegal actions such as counterfeit or modification can be prevented as much as possible. SOLUTION: The optical information recording medium has a recording layer 2 having a reflective hologram where the same information is multiple-recorded. COPYRIGHT: (C)2007,JPO&INPIT