AUTHENTICITY DETERMINATION MEDIUM, AUTHENTICITY DETERMINATION SHEET, MANUFACTURING METHOD OF AUTHENTICITY DETERMINATION MEDIUM, AND AUTHENTICITY DETERMINATION METHOD

To provide an authenticity determination medium, an authenticity determination sheet, a manufacturing method of authenticity, and an authenticity determination method having an irregular pattern and capable of easily performing authenticity determination.SOLUTION: An authenticity determination mediu...

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Bibliographische Detailangaben
Hauptverfasser: OBARA KEITA, INO YOSHIYUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide an authenticity determination medium, an authenticity determination sheet, a manufacturing method of authenticity, and an authenticity determination method having an irregular pattern and capable of easily performing authenticity determination.SOLUTION: An authenticity determination medium 110 comprises: a base material layer 112; a coating later 113 laminated on the base material layer 112 and having an authenticity determination picture forming area 113a partially arranged in an area corresponding to the authenticity determination pattern P and a solid area 113b formed solidly in an area excluding the authenticity determination picture forming area 113a; and a picture layer 114 having an authenticity determination picture 114a formed by the ink having liquid repellency with respect to the solid area 113b and formed in the authenticity determination picture forming area 113a and an irregular pattern 114b formed irregularly on the solid area 113b of the coating layer 113.SELECTED DRAWING: Figure 2 【課題】不規則な模様を有し、真贋判定を簡単に行うことができる真贋判定媒体、真贋判定シート、真贋判定媒体の製造方法、真贋判定方法を提供する。【解決手段】真贋判定媒体110は、基材層112と、基材層112に積層され、真贋判定パターンPに対応した領域に部分的に配置された真贋判定絵柄形成領域113aと、真贋判定絵柄形成領域113aを除く領域にベタ状に形成されたベタ部113bとを有するコーティング層113と、ベタ部113bに対して撥液性を有するインキによって形成され、真贋判定絵柄形成領域113aに形成された真贋判定絵柄114aと、コーティング層113のベタ部113bに不規則な模様状に形成された不規則絵柄114bとを有する絵柄層114とを備える。【選択図】図2