| 摘要 |
A transparent stamper made of a resin has a defect of being not able to be used repeatedly because of stress at the time of peeling off, and hence, improvement is requested. Then, the present invention provides an optical recording medium including a supporting base member, a plurality of recording layers formed on the supporting base member, an interlayer formed between the plurality of recording layers, and a cover layer formed on the recording layer, wherein, in the supporting base member, a concave portion is formed in an inner periphery region thereof than the recording layer, and an inclined portion is formed in an outer periphery region thereof than the recording layer, and wherein the interlayer contacts with the concave portion and the inclined portion of the supporting base member.
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