摘要 |
An optical film manufacturing method, comprising steps of: forming a film by casting a liquid-state resin; embossing both ends of the formed film in a lateral direction of the film so as to form embossed sections for conveying the film; conveying the film having the embossed sections by a freely rotatable conveyance roller; trimming and removing the embossed sections of the film after the conveying step; and winding up the film.
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