An authentication medium includes a sheet-like laminate sheet; a first region that is formed on the laminate sheet and where personal identification information is recorded; and a second region that is formed on the laminate sheet and has a hologram structure where check data associated with first individual information is recorded.

A method is provided by the invention for making a security document comprising a thermoplastic substrate with a UV light cured printed image that is less likely to result in splitting of the ink of the UV light cured printed image during the lamination step of forming the thermoplastic substrate. The UV light cured image is applied to an interior thermoplastic layer surface of a stack of thermoplastic layers configured to form a thermoplastic substrate upon lamination of the stack and comprises numerous small sub-portions having small gaps between them sufficient to permit relative movement of individual sub-portions during lamination, the thermoplastic layer(s) from the ultraviolet light cured image to an exterior surface of the stack being sufficiently see-through that the image is visible upon viewing the security document. Alternatively, or additionally, the image is applied to an interior surface of an outermost thermoplastic layer of the stack adjacent an intermediate thermoplastic layer of the stack wherein the outermost thermoplastic layer has a higher melting point than the melting point of at least the adjacent intermediate thermoplastic layer.

A process for preparing a printed rigid plastic substrate is described, the process comprising: providing a rigid plastic substrate comprising a primer on a surface of the rigid plastic substrate, the primer comprising a primer resin; printing a liquid electrophotographic ink composition comprising a thermoplastic resin onto the primer on the surface of the rigid plastic substrate; depositing a cross-linking composition comprising a cross-linker onto the printed electrophotographic ink composition disposed on the primer; and laminating the rigid plastic substrate with a flexible film such that the ink composition and the cross-linker are disposed between the rigid substrate and the flexible film and wherein the lamination of the rigid substrate with the flexible film causes cross-linking of the thermoplastic resin of the ink composition and of the primer resin.

A volume diffractive optical element (E) comprising: a carrier (1) having an optical relief pattern (P) on at least one surface thereof, and at least one optically functional layer (2) applied over or onto at least one or more portions or relief features (P) of the relief pattern on the carrier (1); wherein in embodiments the at least one optically functional layer (2) comprises a plurality of discrete bodies, beads or globules (2) of optical material applied over or onto the respective individual relief portions or relief features or relief elements (P) of the relief pattern on the carrier (1).

Provided is a laminated body in which a print layer is provided downstream of a laser color development layer without lowering quality. A card is provided with an offset print layer laminated on a base material, a buffer layer laminated on the offset print layer and having translucency, and a laser color development layer laminated on the buffer layer. The buffer layer minimizes scratches on the offset print layer that occur with the heat generation of the laser color development layer.

Provided is a laminated body in which a print layer is provided downstream of a laser color development layer without lowering quality. A card is provided with an offset print layer laminated on a base material, a buffer layer laminated on the offset print layer and having translucency, and a laser color development layer laminated on the buffer layer. The buffer layer minimizes scratches on the offset print layer that occur with the heat generation of the laser color development layer.

A thin hinged laminated body and a layout sheet for the hinged laminated body are provided. A hinged laminated body, equipped with: an IC module having an IC chip capable of performing contactless communication; a hinge layer having a hinge section which can be bound into a booklet; a non-hinge layer which is laminated onto the hinge layer and does not have a hinge part, wherein the hinge layer is disposed over the entire surface of the laminated body having the hinge, the hinge layer and the non-hinge layer have a housing hole penetrating across the two layers, and the IC module is housed and held inside the housing hole.

A thin hinged laminated body and a layout sheet for the hinged laminated body are provided. A hinged laminated body, equipped with: an IC module having an IC chip capable of performing contactless communication; a hinge layer having a hinge section which can be bound into a booklet; a non-hinge layer which is laminated onto the hinge layer and does not have a hinge part, wherein the hinge layer is disposed over the entire surface of the laminated body having the hinge, the hinge layer and the non-hinge layer have a housing hole penetrating across the two layers, and the IC module is housed and held inside the housing hole.

The present invention refers to a safety device (1) for authorizing an operation, comprising: a supporting structure (2); a color-shift structure (5) coupled to the supporting structure (2) on a side or face of this latter; a first safety string (6) made in the supporting structure (2) and disposed on said side or face of the supporting structure (2) so that the first safety string (6) and color-shift structure (5) are overlapped on each other; a second safety string (7) made in the supporting structure (2) and disposed on said side or face of the supporting structure (2) so that the second safety string (7) and color-shift structure (5) are overlapped on each other. The present invention refers also to a safety method and system for authorizing an operation exploiting such safety device.

A multi-layered identification card includes a light-conducting core layer. When the multi-layered identification card is exposed to an activated coherent light source, such as a bright white light or a laser, a perimeter of the light-conducting core layer illuminates. Selectively visible images and/or selectively visible text may be provided on or in one or more layers of the multi-layered identification card, which features become visible upon activation of the light source through one or more opaque layers of the identification card. A method for verifying the authenticity of a multi-layered identification card includes exposing the light-conducting core layer of the identification card to a light source, activating the light source, and observing the illuminated exposed portion of the perimeter of the light-conducting core.