Title:
AUTHENTICITY DETERMINATION HOLOGRAM AND FABRICATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2011/027514
Kind Code:
A1
Abstract:
Provided is an authenticity determination hologram using a Lippmann hologram. In the provided hologram, in addition to a three-dimensional subject image viewable from above, from below, from the left, and from the right, there is also a planar added-information pattern that is only viewable from a specific angle. The provided authenticity determination hologram comprises the following recorded in an overlapping manner: a hologram that reproduces a three-dimensional subject image; and a hologram mirror pattern comprising a planar interference pattern that is formed in a pattern area corresponding to the added information and layered in a parallel fashion at regular intervals.
More Like This:
| JP3121127 | ID CARD |
| JPS62220399 | INFORMATION CARD |
Inventors:
SATO JUN (JP)
YAMAUCHI TSUYOSHI (JP)
YAMAUCHI TSUYOSHI (JP)
Application Number:
PCT/JP2010/005233
Publication Date:
March 10, 2011
Filing Date:
August 25, 2010
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
SATO JUN (JP)
YAMAUCHI TSUYOSHI (JP)
SATO JUN (JP)
YAMAUCHI TSUYOSHI (JP)
International Classes:
B42D15/10; G03H1/26; G03H1/04; G07D7/12
Foreign References:
| JP2005049675A | 2005-02-24 | |||
| JP2003058027A | 2003-02-28 | |||
| JP2005049675A | 2005-02-24 | |||
| JPH06241888A | 1994-09-02 |
Other References:
See also references of EP 2474870A4
Attorney, Agent or Firm:
NIRASAWA, Hiroshi et al. (JP)
Hiroshi Nirasawa (JP)
Hiroshi Nirasawa (JP)
Download PDF: