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Patent Searching and Data


Title:
光学効果層を生成するためのプロセス及びデバイス
Document Type and Number:
Japanese Patent JP7375285
Kind Code:
B2
Abstract:
The present invention relates to the field of protecting value documents and value commercial goods against counterfeit and illegal reproduction. In particular, the present invention provides processes for producing optical effect layers (OELs) comprising non-spherical magnetic or magnetizable particles and comprising a motif made of at least two areas made of a single applied and cured layer, said motif being obtained by using a selective curing performed by irradiation with an actinic radiation LED source (x41) comprising an array of individually addressable actinic radiation emitters.

Inventors:
Roginov, Evgeny
Schmidt, Mathieu
Muller, Edgar
Deathland, Claude-Alan
Application Number:
JP2021539916A
Publication Date:
November 08, 2023
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
SICPA HOLDING SA
International Classes:
B05D3/06; B05D5/06; B05D7/24
Domestic Patent References:
JP2018507800A
JP2017523064A
JP2014510651A
Foreign References:
US20120162344
US20110221431
Attorney, Agent or Firm:
Ikeda Adult
Yoshinori Shimizu
Junichiro Sakamaki