Method and equipment for manufacture of flexible laser disk

Abstract

Abstract PURPOSE:To simplify the transfer stage of laser disks and to attain the mass- production by adopting a disk form comprising the lamination of a resin layer cured and shaped by the radiation of an electron ray or ultraviolet ray and a light transparent base film and giving flexibility to the entire disk. CONSTITUTION:The base film 1 is carried on a laser disk master 4, a resin liquid 21 is discharged from a resin liquid tank 20 and filled between the base film 1 and the laser disk master 4 and an ultraviolet ray or electron ray is radiated from a radiation light source 6. The resin liquid 21 is cured, the resin layer 3 is fixed to the face of the base film 1 to form the laser disk forming film 2, which is peeled from the rugged face of the laser disk master 4 and the ruggedness of the laser disk master 4 is transferred onto the surface of the resin layer 3. Thus, a sono-sheet type flexible laser disk convenient in transportation is manufactured easily at a high speed.

Inventors

• 👤 Tokio Kodera
• 👤 小寺　時男

Bibliographic Details