Patent ID: 6875378
Filing Date: 2005-04-05
Classification: B29C,Y10S

Abstract:
1. A method for removing an optical disk from a molding apparatus, wherein the molding apparatus includes the material is molded into the optical disk within the cavity when the first and second molds are in a closed position such that the stamper becomes attached to the optical disk, said method comprising: relatively moving said first and second molds away from said closed position by a first distance such that a first release space part is formed by causing a first part of said optical disk to be separated from one of said first mold and said stamper; supplying a gas to said first release space part such that said optical disk becomes completely separated from said one of said first mold and said stamper; then further relatively moving said first and second molds away from said closed position by a second distance such that a second release space part is formed by causing a second part of said optical disk to be separated from the other of said first mold and said stamper, wherein a sum of said first distance and said second distance is about 0.3 mm; and supplying a gas to said second release space part such that said optical disk becomes completely separated from said other of said first mold and said stamper.