| 摘要 |
PURPOSE:To provide an optical recording medium which is superb in rotary machine characteristics and durability and is advantageous in terms of error by constituting an adhesive layer with a specific epoxy resin adhesive layer. CONSTITUTION:A layer 3a, where one constituent of epoxy adhesive, for example epoxy resin constituent, is applied to one recording film 2 of an optical disk where an optical recording film 2 is formed previously, is provided on a transparent substrate 1. On the other hand, a layer 3b, where other constituent (curing agent) is coated, is provided on other disk to be laminated. Then, by laminating these two disks and then curing them at room temperature and a proper temperature, both disks are adhered by an adhesive layer 3 in a specified thickness containing a specified amount of non-reaction constituents. In this case, the adhesive layer 3 is constituted by an adhesive layer of an epoxy resin system, where the adhesion layer 3 is 5 - 100mum in film thickness and a non-reaction part is 1 - 20wt.%, thus resulting in less errors and enabling rotary characteristics such as face swing at the time of recording and reproduction and durability to be improved. |
