Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiro Oda0
Ichiro Matsuzaki0
Kazunori Hirose0
Kazuo Baba0
Etsuo Nakazato0
Date of Patent
April 5, 2011
0Patent Application Number
105477610
Date Filed
March 3, 2004
0Patent Primary Examiner
Patent abstract
The present invention aims at providing a manufacturing method for an optical sheet capable of manufacturing a thin optical sheet of a uniform thickness distribution with a high thickness accuracy, and high shaping/transferring performances, and an optical sheet manufactured by using the manufacturing method. A manufacturing method for an optical sheet according to the present invention includes passing a resin discharged from a die between a touch roll and a shaping roll under pressure.
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