| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the manufacturing method of resin film, which does not require management of complicated processes, has stable holes and has optical functional property, to provide a hard coat film which uses a resin film manufactured by the manufacturing method and have an glare-proofing property, and to provide an antireflection film and a light diffusion sheet. <P>SOLUTION: In the manufacturing method, the resin film is manufactured using a solvent casting method which includes casting a dope prepared by dissolving a resin into a solvent consisting of good solvent and poor solvent onto an endless support to form a web, thereafter, separate the web from the endless support and dry it, wherein the resin film has a part where density of holes is successively made different in the thickness direction. <P>COPYRIGHT: (C)2009,JPO&INPIT |
