Title:
OPTICAL FILM
Document Type and Number:
Japanese Patent JP2003322722
Kind Code:
A
Abstract:
To provide an optical film comprising a saturated norbornene-based resin having little phase difference irregularity.
The optical film contains ≥10 mass% of saturated norbornene- based resin produced by polymerization in the presence of a catalyst containing at least one kind of metallocene and has a retardation of 20 nm to 300 nm.
Inventors:
YAMADA TSUKASA
Application Number:
JP2002129688A
Publication Date:
November 14, 2003
Filing Date:
May 01, 2002
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G02B5/30; B29C55/02; C08J5/18; G02F1/13363; B29K45/00; B29L7/00; (IPC1-7): G02B5/30; B29C55/02; C08J5/18; G02F1/13363
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes