Law Office of Katsuhiro Arai
Optical information recording medium and mold apparatus for manufacturing the same
An optical information recording medium comprises at least a substrate on which a groove is formed in a recording area, a recording layer comprising an organic dye, and a reflective layer. The recording area has a preformat area and a data area, and the groove in the preformat area is narrower or shallower than that in the data area.
Taiyo Yuden, Co., Ltd.
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G11B G11B G11B G11B
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Isao Toru Yoshikazu Fumi
Matsuda Fujii Takagishi Hara