| 摘要 |
PROBLEM TO BE SOLVED: To make a tracking layer hardly damaged even when a medium is mechanically damaged by collision of a head or the like, and to make precisely position the head in an optical recording medium having on the surface at lest the tracking layer for performing tracking control and a recording layer provided on the tracking layer for recording the information and used for recording and/or reproducing the information using the light from the adjacent place. SOLUTION: This medium 15 has on the substrate 26 at least the tracking layer 24 for performing tracking control and the recording layer 22 provided on the layer 24 for recording the information and is used for recording and/or reproducing the information using the light irradiated from the adjacent place in the direction (a) shown in the figure. A spacing layer 23 having a hardness higher than that of the layer 22 is formed between the layer 22 and the layer 24. |
