| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold release method of an optical disk substrate that can avoid an adverse influence due to nonuniform air blow without adding any special mechanism to a die and a molding machine to be used. SOLUTION: In a method for releasing an optical disk substrate that is formed through a filling process for filling the cavity of a die with fused resin, and a cooling process for cooling the filled resin, a mechanical mold release process for mechanically releasing the optical disk substrate where the molding has been completed from the die is optimally combined with an air blow mold release process using air blow.
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