PURPOSE: To obtain data recording faithfully reproduced from the master recording by coating rotatable the master disk having a photoresist image with a solution before separation.
CONSTITUTION: In the process 12, a relief characteristic of the predetermined depth is created by the etching. Next, in the process 14, a polymer solution is prepared by dissolving polymer into an adequate solvent. Next, in the process 16, a master recording disk having a photoresist image, for example, a glass substrate is coated rotatable with this polymer solution. At this time, a spinner is used to form a film by drying up the polymer solution while the rotating speed is changed. Next, in the process 18, the film is isolated from the master disk. Finally, in the process 20, the process to form a free standing copy having an aluminum ring is included. The polymer film obtained faithfully reproduces the micron size optical recording characteristic on the surface of master disk.
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