| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical information recording medium in which a region recording visible information such as the classification of the disk is disposed on the inside of a clamping area and the degree of influence of physical dimensional accuracy necessary for clamping, the total thickness after sticking, etc., on warpage is minimized. SOLUTION: The optical information recording medium 10 is obtained by preparing two disks each with one face having at least a central hole, a clamping region 4 disposed on the outside of the central hole and an information recording region 6 disposed on the outside of the clamping region 4 and sticking the other faces of the disks to each other with an adhesive layer 3. The adhesive layer 3 is disposed between the periphery of the information recording region 6 and the inside 51 of the clamping region 4, a visible information layer 9 is disposed on the stuck face side between the inside 51 and the central hole C1, and the thickness D1 of the layer 9 is made smaller than the thickness D2 of the adhesive layer 3. |
