Title:
偽造防止箔
Document Type and Number:
Japanese Patent JP5543097
Kind Code:
B2
Abstract:
A forgery-preventing foil having a latent image and a total thickness of 20 µm or less, containing at least one patterned optically anisotropic layer (11,112) having two or more regions (112-A,112-B) different in birefringence property, all of the regions in the same layer being formed of the same layer-forming composition.
Inventors:
Satomi Suzuki
Hideki Kaneiwa
Ichiro Amimori
Hideki Kaneiwa
Ichiro Amimori
Application Number:
JP2008287071A
Publication Date:
July 09, 2014
Filing Date:
November 07, 2008
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
G02B5/30; B42D25/30; B42D25/328; G03H1/18
Attorney, Agent or Firm:
Toshizo Iida
Wataru Sasaki
Naosuke Miyamae
Wataru Sasaki
Naosuke Miyamae