体積ホログラム積層体、体積ホログラム積層体の製造方法、および情報記録媒体

Japanese Patent JP7009794

B2

To provide a volume hologram laminate having a high forgery preventing function and a security function.SOLUTION: The volume hologram laminate has a support layer, a laser engrave layer disposed on one surface of the support layer and developing a color by irradiation with laser light, and a volume hologram layer disposed on a surface of the support layer opposite to the laser engrave layer and having a reproduced image recorded by use of interference fringes. The laser engrave layer has a pattern, and the pattern of the laser engrave layer, at least partially, is the same pattern in the reproduced image of the volume hologram layer.SELECTED DRAWING: Figure 1

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Koji Eto
Nobuko Oikawa
Go Yamauchi

JP2017124315A

January 26, 2022

June 26, 2017

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Dai Nippon Printing Co.,Ltd.

G03H1/18; B32B7/023; B32B38/18; B42D25/23; B42D25/24; B42D25/25; B42D25/29; B42D25/305; B42D25/328; G03H1/02

JP2000356941A
JP2005049675A
JP8201018A
JP11265139A
JP52141649A
JP52143853A
JP2003029607A
JP2014013326A
JP2014156058A

WO2012050223A1
WO2011045972A1
US20150191027
WO2011090030A1
WO2017057723A1

Akihiko Yamashita
Tatsuto Kishimoto

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