Abstract: A decorative element (2), in particular in the form of a transfer film, a laminating film or a security thread, as well as a security document with a decorative element and a method for producing same is described. The decorative element (2) has a microstructure (4) which generates an optical effect in incident light and/or with light passing through. In a first area (32), the microstructure (4) has a base surface (40) and several base elements (41) which have in each case an element surface raised or lowered compared with the base surface (40) and a flank arranged between the element surface and the base surface (40). The base surface (40) of the microstructure defines a base plane spanned by coordinate axes x and y. The element surfaces of the base elements (41) in each case run substantially parallel to the base plane.

Abstract: A method for producing a multilayer body with the steps of a) applying a first varnish layer made of a water-based photoresist to a surface of a base body; b) exposing the first varnish layer in a first region, wherein the first varnish layer is not exposed in a second region; c) removing the first varnish layer in the second region.

Abstract: A method for the production of a multilayer body, in particular a security element, includes: a) producing a metal layer on a substrate; b) partial demetalization of the metal layer to form a first item of optical information in a first area of the multilayer body; c) applying a partial lacquer layer in a second area of the multilayer body to form a second item of optical information, wherein the partial lacquer layer extends at least partially beyond the metal layer; d) structuring the partial metal layer in the second area using the partial lacquer layer as mask.

Abstract: The invention relates to a security element (1), a security document (2) with at least one security element (1), a transfer foil (3) with at least one security element (1) as well as a method for producing a security element (1), wherein the security element has at least one layer (11) that is electrically alterable in its optical effect.

Abstract: In a process for producing a multilayer body, an HRI layer made of a material having a high refractive index is applied to at least part of the surface area of a substrate. At least one partial region of the HRI layer is then physically removed from the substrate again by treatment with an alkaline solution. Additionally specified is a multilayer body that can be obtained by such a process.

Abstract: The invention relates to a method for producing a multi-layer body, in particular a security element, in which a partial first layer or partial first layer system is produced on a substrate, wherein the partial first layer or partial first layer system is present in a first partial area and not in a second partial area. Subsequently, a partial second layer or partial second layer system is produced, wherein the partial second layer or partial second layer system is present in a third partial area and not in a fourth partial area, and wherein the third partial area overlaps with the first and second partial areas. Finally, the partial first layer or partial first layer system is structured as a mask using the partial second layer or partial second layer system.

Abstract: A multilayer body with a functional layer which includes an antenna element as well as with an optical security element which includes at least one electrically conductive partial region which is galvanically connected to the antenna element. A security document with such a multilayer body, as well as a method for the authentication thereof.

Abstract: The invention relates to an absorbent medium for improving the overprintability, in particular by inkjet printing, of a security element, in particular an optically variable security element, comprising a binder, at least one pigment and an in particular aqueous solvent. The invention furthermore relates to a transfer film with an absorbent layer made of such an absorbent medium as well as a method for personalizing a security element using such a transfer film.

Abstract: The invention relates to a transfer film (1), in particular hot-stamping film, the use of a transfer film (1), a film, a security document (2), and a method for producing a transfer film (1). Here, it is provided that the transfer film (1) comprises a transfer layer (20) detachably arranged on a carrier layer (10). The transfer layer (20) further has at least one first color layer (30) and the at least one first color layer (30) comprises at least one binder and at least first pigments, the color appearance of which changes depending on the observation angle.

Abstract: The invention relates to a method for producing a multilayer element (100), and also to a multilayer element (100) produced by said method. On and/or in a carrier ply (1) a decorative ply (3) is formed. The decorative ply (3) has a first region (8) and a second region (9). Viewed perpendicular to the plane of the carrier ply (1), the decorative ply (3) has in the first region (8) a first transmittance and in the second region (9) a second transmittance greater in comparison to the first transmittance. A layer (5) to be structured and a photoactivatable resist layer are disposed on the first side (11) of the carrier ply (1). On exposure of the resist layer through the decorative ply (3), the decorative ply (3) serves as an exposure mask. The at least one layer (5) to be structured and the resist layer are structured in register to one another by means of structuring operations synchronized with one another.

Abstract: The invention relates to a method for the production of a multilayer body, in particular a security element, comprising the following steps: a) producing a metal layer on a substrate; b) partial demetalization of the metal layer to form a first item of optical information in a first area of the multilayer body; c) applying a partial lacquer layer in a second area of the multilayer body to form a second item of optical information, wherein the partial lacquer layer extends at least partially beyond the metal layer; d) structuring the partial metal layer in the second area using the partial lacquer layer as mask. The invention further relates to a multilayer body produced in this way.

Abstract: The invention relates to a method for producing a multi-layer body, in particular a security element, in which a partial first layer or partial first layer system is produced on a substrate, wherein the partial first layer or partial first layer system is present in a first partial area and not in a second partial area. Subsequently, a partial second layer or partial second layer system is produced, wherein the partial second layer or partial second layer system is present in a third partial area and not in a fourth partial area, and wherein the third partial area overlaps with the first and second partial areas. Finally, the partial first layer or partial first layer system is structured as a mask using the partial second layer or partial second layer system.

Abstract: The invention concerns a security element for a security document comprising a structure layer and diffractive first and second relief structures, wherein the relief structures viewed parallel to the plane of the structure layer are arranged in different planes of the security element, wherein the first relief structure adjoins a partial first reflection layer and the second relief structure adjoins a partial second reflection layer, and wherein—if the first reflection layer is towards a viewer—a second item of information generated by the second relief structure is at least partially concealed and—if the second reflection layer is towards the viewer—a first item of information generated by the first relief structure is at least partially concealed, and processes for the production of such security elements and security documents formed therewith.

Abstract: A system (100, 200, 300, 400, 500, 600) for producing a security element (4), in particular a vignette for a windshield (6) of a means of transport, is specified. This comprises a carrier element (3) with a first and a second surface, wherein a first sub-element (1) of the security element (4) is arranged in a first area (31) of the first surface and a second sub-element (2) of the security element (4) is arranged in a second area (32) of the first surface separated from the first area (31) by a fold edge (33). These sub-elements (1, 2) can be made to overlap with the first sub-element (1) by folding of the carrier element (3) along the fold edge (33) and can be adhered by means of an adhesive (25) arranged on the side of the second sub-element (2) facing away from the carrier element (3). An individualization feature (14) can be attached to a side of the first (1) and/or the second (2) sub-element facing away from the carrier element (3).

Abstract: A decorative element (2), in particular in the form of a transfer film, a laminating film or a security thread, as well as a security document with a decorative element and a method for producing same is described. The decorative element (2) has a microstructure (4) which generates an optical effect in incident light and/or with light passing through. In a first area (32), the microstructure (4) has a base surface (40) and several base elements (41) which have in each case an element surface raised or lowered compared with the base surface (40) and a flank arranged between the element surface and the base surface (40). The base surface (40) of the microstructure defines a base plane spanned by coordinate axes x and y. The element surfaces of the base elements (41) in each case run substantially parallel to the base plane.

Abstract: A process for producing a multilayer body (100) is specified. In this process, an HRI layer (7) made of a material having a high refractive index is applied to at least part of the surface area of a substrate (4). At least one partial region (10) of the HRI layer (7) is then physically removed from the substrate (4) again by treatment with an alkaline solution. Additionally specified is a multilayer body (100) that can be obtained by such a process.

Abstract: Described is a multi-layer body (1), in particular a transfer film, having a replication lacquer layer and a metallic layer which is arranged on the replication lacquer layer and which has a plurality of microscopically fine pattern regions (14m) and a background region (14d) completely surrounding each of the pattern regions (14m), wherein the pattern regions (14m) are arranged in a raster (14r) of the raster width D and the pattern regions are respectively arranged separated from each other at a spacing B by the background region. Also described is a process for the production of such a multi-layer body.

Abstract: The invention relates to a method for producing a multilayer element (100), and also to a multilayer element (100) produced by said method. On and/or in a carrier ply (1) a decorative ply (3) is formed. The decorative ply (3) has a first region (8) and a second region (9). Viewed perpendicular to the plane of the carrier ply (1), the decorative ply (3) has in the first region (8) a first transmittance and in the second region (9) a second transmittance greater in comparison to the first transmittance. A layer (5) to be structured and a photoactivatable resist layer are disposed on the first side (11) of the carrier ply (1). On exposure of the resist layer through the decorative ply (3), the decorative ply (3) serves as an exposure mask. The at least one layer (5) to be structured and the resist layer are structured in register to one another by means of structuring operations synchronized with one another.

Abstract: The invention relates to a method for producing a multilayer element (100), and also to a multilayer element (100) produced by said method. On and/or in a carrier ply (1) a decorative ply (3) is formed. The decorative ply (3) has a first region (8) and a second region (9). Viewed perpendicular to the plane of the carrier ply (1), the decorative ply (3) has in the first region (8) a first transmittance and in the second region (9) a second transmittance greater in comparison to the first transmittance. A layer (5) to be structured and a photoactivatable resist layer are disposed on the first side (11) of the carrier ply (1). On exposure of the resist layer through the decorative ply (3), the decorative ply (3) serves as an exposure mask. The at least one layer (5) to be structured and the resist layer are structured in register to one another by means of structuring operations synchronized with one another.

Abstract: A security element (1), in particular value document, and a process for producing same are described. The security element has a pattern area (21), consisting of one or more design elements (22), the shape of which provides a first optically perceptible item of information. It furthermore has a background area (20) surrounding the one or more design elements of the pattern area at least in areas. The security element (1) has an opaque reflective layer which is not provided in the background area (20), and in the pattern area (21) is provided in first zones (31), but not in second zones. The first zones (31) are spaced apart from each other by less than 300 ?m and have a minimum dimension of less than 300 ?m.