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Title:
VOLUME HOLOGRAM LAMINATED BODY AND LABEL FOR MAKING THE SAME
Document Type and Number:
Japanese Patent JP2004004846
Kind Code:
A
Abstract:

To provide a hologram laminated body and a label for making the same by which forgery is surely prevented by surely breaking a volume hologram display body when a photograph is replaced in order to prevent the forgery of an identification card by discriminating whether the volume hologram display body adhered onto the identification card such as the photograph is broken or not.

This volume hologram laminated body 1 has an adhesive layer 5, a volume hologram layer 6 containing 10 to 100 pts.wt. fine particles having 1 to 100 nm average primary particle size to 100 pts.wt. photosensitive material; and a surface protection film 7 laminated in order on the base material 2 of the identification card, etc. Otherwise, the volume hologram laminated body 1 has the adhesive layer 5, the volume hologram layer 6 containing 10 to 100 pts.wt. plastic particles or glass beads having nearly the same refractive index with that of the photosensitive material to 100 pts.wt. photosensitive material; and the surface protection film 7 laminated in order on the base material 2 of the identification card, etc.


Inventors:
UEDA KENJI
OTAKI HIROYUKI
Application Number:
JP2003140191A
Publication Date:
January 08, 2004
Filing Date:
May 19, 2003
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G03H1/02; B32B7/02; G03H1/18; G09F3/00; G09F3/02; G09F3/03; (IPC1-7): G03H1/02; B32B7/02; G03H1/18; G09F3/00; G09F3/02; G09F3/03
Attorney, Agent or Firm:
Norihiko Uchida
Ryukichi Abe
Hirukawa Masanobu
Hiroki Shirai
Hideo Sugai
Kenji Aoki
Hiroshi Nagisawa
Akira Yonezawa