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Patent Searching and Data


Title:
溶液製膜装置
Document Type and Number:
Japanese Patent JP4558050
Kind Code:
B2
Abstract:
In the transparent film of optical application or the support for photographic material produced by a solution film forming method, the polymer resin film on which any coating unevenness does not occur even when a functional layer is coated on the film surface and the manufacturing method for the film are proposed. To be concrete, a polymer resin film produced by the solution film forming method characterized by that the pitch a ÄcmÜ of the periodic thickness unevenness of web longitudinal direction and a thickness unevenness factor d Ä%Ü satisfy formula (1) described below. d -0 .91 a<2>+0 .60 a+1 .01 (on the premise that 0.2< a <3) The manufacturing method using said formula is also proposed.

Inventors:
Tadahiro Tsujimoto
Kosuke Katai
Toshikazu Nakamura
Application Number:
JP2008038679A
Publication Date:
October 06, 2010
Filing Date:
February 20, 2008
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
B29C41/24; B29C41/34; C08J5/18; C08J7/04; G02B5/30; B29L7/00
Domestic Patent References:
JP3193316A
JP11291330A
JP11352638A
JP252721A
JP6155494A
JP4936946B1
JP4818105B1
Attorney, Agent or Firm:
Masahiro Tanaka