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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2006517483
Kind Code:
The process involves printing a semi-transparent security unit (2) with variable optical ink on a base (1) of a substrate. The security unit is printed to cover the base. The semi-transparent security unit is printed by a serigraphy process. A sifter utilized in the serigraphy process comprises 180 to 230 lines per inch according to X and Y directions of the sifter. An independent claim is also included for a value-paper.

Giori, Faust
Foresty, Giann Franco
Application Number:
Publication Date:
July 27, 2006
Filing Date:
February 05, 2004
Export Citation:
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Carveyor-The Orient Society Anonym
International Classes:
B41M3/14; B41M1/24; B41M3/00; B42D15/00
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama