Title:
HOLOGRAM LAMINATE, SECURITY MEDIUM, AND METHOD OF USING HOLOGRAM LAMINATE
Document Type and Number:
WIPO Patent Application WO/2016/143639
Kind Code:
A1
Abstract:
[Problem] To provide a hologram laminate which enables accurate determination of authenticity by a new method of use, a security medium, and a method of using a hologram laminate.
[Solution] A hologram laminate 1 is characterized by being provided with: a reflection-type volume hologram 2 that emits incident light at least from a previously determined prescribed angle at a previously determined prescribed angle; and a reflection layer 3 at least part of which is laminated on the reflection-type volume hologram 2.
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Inventors:
OIKAWA NOBUKO (JP)
OHKAWA HIROTADA (JP)
OHKAWA HIROTADA (JP)
Application Number:
PCT/JP2016/056482
Publication Date:
September 15, 2016
Filing Date:
March 02, 2016
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B42D25/328; G03H1/02; B32B7/02; B32B33/00
Domestic Patent References:
WO2014174402A1 | 2014-10-30 |
Foreign References:
JP2007102203A | 2007-04-19 | |||
JPH1097169A | 1998-04-14 | |||
JP2008090157A | 2008-04-17 | |||
JP2006235209A | 2006-09-07 | |||
JP2000347555A | 2000-12-15 | |||
JP2010286768A | 2010-12-24 |
Attorney, Agent or Firm:
KOYAMA, Takashi et al. (JP)
Takushi Koyama (JP)
Takushi Koyama (JP)
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