METHOD FOR MANUFACTURING OPTICAL FILM

• Main Author: OGINO KENTARO
• Format: Patent
• Language: English
• Published: 25.11.2004
• Edition: 7
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a thin optical film which is free from surface defects such as fish eye and made of an amorphous thermoplastic resin, and a method for manufacturing the optical film. SOLUTION: In this method, when an amorphous thermoplastic resin film with a thickness of not more th...