| http://www.w3.org/ns/prov#value | - A basic plate 1 made of a transparent resin material such as polycarbonate resin or the like, a first dielectric layer 2 made of a mixed film of ZnS-SiO2 superior in heat-proof property with the film thickness being approximately 150 nm, a recording thin film layer 3 made of Te--Ge--Sb with the film thickness being approximately 30 nm, a second dielectric layer 4 made of the same material as the f
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