US 12,403,714 B2
Information page
Takumi Motoi, Tokyo (JP); and Shuhei Urata, Tokyo (JP)
Assigned to Dai Nippon Printing Co., Ltd., Tokyo (JP)
Filed by Dai Nippon Printing Co., Ltd., Tokyo (JP)
Filed on Apr. 12, 2021, as Appl. No. 17/227,576.
Application 17/227,576 is a continuation of application No. 16/485,963, granted, now 11,001,092, previously published as PCT/JP2018/005351, filed on Feb. 15, 2018.
Claims priority of application No. 2017-027038 (JP), filed on Feb. 16, 2017.
Prior Publication US 2021/0229482 A1, Jul. 29, 2021
Int. Cl. B42D 25/24 (2014.01); B42D 25/22 (2014.01); B42D 25/29 (2014.01); B42D 25/305 (2014.01); B42D 25/328 (2014.01); B42D 25/351 (2014.01); B42D 25/41 (2014.01); B42D 25/45 (2014.01); G06K 19/06 (2006.01); G06K 19/077 (2006.01)
CPC B42D 25/22 (2014.10) [B42D 25/24 (2014.10); B42D 25/29 (2014.10); B42D 25/305 (2014.10); B42D 25/328 (2014.10); B42D 25/351 (2014.10); B42D 25/41 (2014.10); B42D 25/45 (2014.10); G06K 19/06009 (2013.01); G06K 19/0772 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An information page of a security document, comprising:
a core layer having a net-like structure formed of a fabric of crossing yarns each composed of a plurality of single fibers and the core layer having a body portion and a connecting portion;
the body portion of the core layer is bonded directly on one surface of a polycarbonate intermediate layer, and a polycarbonate IC module holding layer is bonded directly on a second surface of the polycarbonate intermediate layer opposite to the one surface; and
an IC module embedded in the polycarbonate IC module holding layer, the IC module including a substrate and an IC chip provided on the substrate, wherein the IC module is directly connected on a first side to the polycarbonate intermediate layer and directly connected on a second side to a second polycarbonate intermediate layer,
wherein the connecting portion of the core layer protrudes from the page such that it does not touch any other layer of the information page and is the only portion of the information page that is configured to be attached to the security document;
wherein an opening is provided in at least the core layer, the polycarbonate intermediate layer, the polycarbonate IC module holding layer, and the second polycarbonate intermediate layer, and wherein a volume hologram is provided above said opening such that the volume hologram is viewable through the opening from opposing sides of the information page,
and wherein a transparent window is provided in the opening.