Ovd Kinegram Ag

Leonhard Kurz Stiftung & Co Kg

Landis & Gyr Technology Innovation Ag

Electrowatt Technology Innovation Corp.

Rene Staub

Wayne Robert Tompkin

Andreas Schilling

Achim Hansen

Ludwig Brehm

Christina Streb

Juri Attner

Rouven Spiess

Harald Walter

Gernot Schneider

Patrick Kramer

Karin Forster

John Anthony Peters

Heinrich Wild

Sebastian Mader

Rainer Stahl

Klaus Weber

Markus Burkhardt

Michael Hoffmann

Olaf Krolzig

Philipp Schuler

Walter Kurz

Sascha Mario Epp

Reto Karrer Walker

Sandra Peter

Reto Gnos

Attila Ozdemir

Orvy Emanuel Toberer

Thomas Muller

Christian Saxer

Mathias Seitz

Daniel Holliger

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.

Multi-layered body, and security document

A method for producing a security element formed as a lenticular flip, including a micro-optical layer, a carrier substrate and an image layer, wherein the image layer includes n images for n=1 to i which are visible from an n-th observation angle allocated to the n-th image, and wherein n is at least 1. The images are imaged on a photoresist with parallel light in contact print or by means of projection. After the photoresist is developed, an image layer which includes the i images is present.

Method for producing security elements having a lenticular flip

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.

Multi-layer body and method for the production thereof

The invention relates to a security element (), a security document () with at least one security element (), a transfer foil () with at least one security element () as well as a method for producing a security element (), wherein the security element has at least one layer () that is electrically alterable in its optical effect. It is here provided that the at least one layer () that is electrically alterable in its optical effect has liquid crystals () that can be oriented in an electric field, wherein the at least one layer () that is electrically alterable in its optical effect has rod-shaped dye molecules (), and the orientations of the longitudinal axes () of the rod-shaped dye molecules () are alterable depending on the orientations of the longitudinal axes () of the spatially adjacent liquid crystals () that can be oriented in the electric field, and/or wherein the liquid crystals () that can be oriented in the electric field are formed in such a way that the liquid crystals () that can be oriented in the electric field simultaneously act as dye molecules.

Security element

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.

Absorbent medium, transfer film, security element, and method for personalizing a security element

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

Transfer film and method for producing a transfer film

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&#x2014;if the first reflection layer is towards a viewer&#x2014;a second item of information generated by the second relief structure is at least partially concealed and&#x2014;if the second reflection layer is towards the viewer&#x2014;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.

Security element for a security document and process for the production thereof

A system () for producing a security element (), in particular a vignette for a windshield () of a means of transport, is specified. This comprises a carrier element () with a first and a second surface, wherein a first sub-element () of the security element () is arranged in a first area () of the first surface and a second sub-element () of the security element () is arranged in a second area () of the first surface separated from the first area () by a fold edge (). These sub-elements () can be made to overlap with the first sub-element () by folding of the carrier element () along the fold edge () and can be adhered by means of an adhesive () arranged on the side of the second sub-element () facing away from the carrier element (). An individualization feature () can be attached to a side of the first () and/or the second () sub-element facing away from the carrier element (). Furthermore, a method for producing a security element () by means of such a system (), as well as a security element () obtained thereby, is specified.

System and method for producing an individualized security element

A decorative element (), 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 () has a microstructure () which generates an optical effect in incident light and/or with light passing through. In a first area (), the microstructure () has a base surface () and several base elements () which have in each case an element surface raised or lowered compared with the base surface () and a flank arranged between the element surface and the base surface (). The base surface () of the microstructure defines a base plane spanned by coordinate axes x and y. The element surfaces of the base elements () in each case run substantially parallel to the base plane. In at least one or more first zones of the first area (), the element surfaces of the base elements () and the base surface () are spaced apart in a direction running perpendicular to the base plane () in the direction of a coordinate axis z by a first distance which is chosen such that a color is generated in the one or more first zones in particular by interference of the light reflected at the base surface and the element surfaces in incident light and/or in particular by interference of the light transmitted through the element surfaces and the base surfaces with light passing through.

Decorative element and security document comprising a decorative element

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.

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.

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

Method for the production of a multilayer element, and multilayer element

Described is a multi-layer body (), 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 () and a background region () completely surrounding each of the pattern regions (), wherein the pattern regions () are arranged in a raster () 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.

Multi-layer body and method for producing the same

A multi-layer body includes at least two functional layers on a top side of a carrier substrate, which are structured in register relationship with each other, by a procedure whereby an underside of the carrier substrate is prepared in such a way that in a first region there results a transparency for a first exposure radiation and in at least one second region there results a transparency for at least one second exposure radiation different therefrom in register relationship with the first region, the underside is successively exposed with the first and the at least one second exposure radiation and the first exposure radiation is used for structuring a first functional layer and the at least one second exposure radiation is used for structuring at least one second functional layer on the top side of the carrier substrate.

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Hagendorn, Switzerland

Rene Staub