Resumen de: EP4645061A1
Verfahren (100) zum automatisierten Herstellen eines Dokuments (201) mit einem Sicherheitsmerkmal (203), umfassend: Bereitstellen (101) einer digitalen Dokumentendruckvorlage (205) für die Herstellung des Dokuments (201) mit dem Sicherheitsmerkmal (203), wobei das Sicherheitsmerkmal (203) eine um einen vorbestimmten Verkleinerungsfaktor verkleinerte Fassung eines Referenzsicherheitsmerkmals (207) ist; und automatisiertes Herstellen (103) des Dokuments (201) unter Verwendung der digitalen Dokumentendruckvorlage (205).
Resumen de: MX2025012166A
The present invention relates to the field of security inks suitable for printing machine readable security features on substrate, security documents or articles as well as machine readable security feature made from said security inks, and security documents comprising a machine readable security feature made from said security inks. In particular, the invention provides security inks comprising one or more IR absorbing materials wherein said security ink allows the production of a machine readable security feature
Resumen de: MX2025011828A
The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides apparatuses and processes for producing optical effect layers (OELs) comprising magnetically oriented, said optical effect layers (OELs) exhibiting not only a dynamic movement but also an eye- catching relief and/or 3D effect upon tilting and may be as anti-counterfeit means on security documents or security articles or for decorative purposes.
Resumen de: MX2025009293A
There is provided a security element, comprising: an optic layer; a metallic layer; and a printed magnetic ink layer. The security element optionally comprises a photoluminescent layer. Also provided is a security document comprising the security element and a substrate, wherein the security element is surface applied, or partially or wholly embedded in the substrate. The security element may provide enhanced anti-counterfeiting protection to security documents such as banknotes.
Resumen de: US2025332857A1
A functional element 2 including at least one first relief structure 13 in at least one first area 21 and at least one metal layer 12 arranged in at least one subarea of the at least one first relief structure 13 and optionally a preferably polymeric dielectric layer on the side of the metal layer 12 which faces the observer, wherein the at least one first relief structure 13 has a periodic variation of elevations and depressions in the x- and y-direction, wherein the elevations succeed each other with a grating period A which is smaller than a wavelength of the light visible to the human eye, wherein the minima of the depressions define a base surface and wherein the at least one first relief structure 13 has a relief depth t. Further, a method for producing or modifying a surface and a product 1 having such a functional element 2.
Resumen de: DE102024112173A1
Es wird eine Vorrichtung (10) zum Bedrucken von Objekten (20) unter Verwendung einer Strahl-Drucktechnik offenbart. Die Vorrichtung (10) umfasst einen Druckkopf (11), welcher konfiguriert ist, mindestens einen Druckstrahl (12) zu erzeugen, welcher auf ein zu bedruckendes Objekt (20) gerichtet ist. Der Druckkopf (11) weist eine Druckkopföffnung (13) auf, aus welcher der mindestens eine Druckstrahl (12) während eines Druckvorgangs ausgegeben wird. Der Druckkopf (11) ist konfiguriert, während eines Druckvorgangs in dem mindestens einen Druckstrahl (12) Effektpartikel (14) auszugeben und diese auf das zu bedruckende Objekt (20) zu befördern, Die Druckkopföffnung (13) des Druckkopfs (11) weist einen Öffnungsdurchmesser (16) von mindestens 80 µm auf. Ferner wird ein Verfahren (30) zum Bedrucken von Objekten (20) mittels einer Strahldrucktechnik offenbart, welches beispielsweise mit der offenbarten Vorrichtung (10) durchgeführt werden kann.
Resumen de: WO2025227144A1
Disclosed are compositions and systems comprising responsive dyes, as well as methods of using thereof.
Resumen de: TW202513727A
The present invention relates to the technical field of security features comprising taggants by means of Surface-Enhanced Raman Spectroscopy (SERS) and their detection. Furthermore, the present invention relates to the field of UV-Vis curable security inks comprising SERS tags for printing security features on substrates, in particular on security documents or articles, wherein said inks comprise one or more surface enhanced Raman spectroscopy (SERS) tags, one or more radiation curable compounds, and one or more photoinitiators and wherein said inks lack a vinyl ether containing compound.
Resumen de: TW202528493A
The present invention relates to the technical field of security features comprising taggants by means of Surface-Enhanced Raman Spectroscopy (SERS) and their detection. Furthermore, the present invention relates to the field of UV-Vis curable security inks comprising SERS tags for printing security features on substrates, in particular on security documents or articles, wherein said inks comprise (i) one or more surface enhanced Raman spectroscopy (SERS) tags, (ii) one or more vinyl ether containing compounds, (iii) one or more cationically radiation curable compounds different from the one or more vinyl ether containing compounds of (ii) and (iv) one or more cationic photoinitiators being a salt of hexafluorophosphate.
Resumen de: AU2024255149A1
A security feature for a security document, the security feature comprising one or more photoluminescent ink layers, each including a composition capable of emitting visible light when irradiated with a specified electromagnetic wavelength range, wherein the one or more photoluminescent ink layers are at least partially printed in a window region of the security document.
Resumen de: WO2024125720A1
The invention relates to an optically variable security element (20), in particular security film or security thread, with a 5-layer stack (21) comprising, in this order, a first absorber layer (23), a first dielectric spacer layer (24), a second absorber layer (25), a second dielectric spacer layer (26) and a reflection layer (27). The invention here provides for the first and the second dielectric spacer layers (24, 26) to have different layer thicknesses in order to generate a specific IR reflection signature of the security element.
Resumen de: US2025319718A1
According to examples, a substrate may be moved through a magnetic field, in which the substrate includes a fluid carrier containing magnetically-orientable flakes. The magnetic field may influence the magnetically-orientable flakes to be respectively oriented in one of multiple orientations. In addition, during movement of the substrate through the magnetic field, radiation may be applied onto a plurality of selected portions of the fluid carrier through at least one opening in a mask to cure the fluid carrier at the plurality of selected portions and fix the magnetically-orientable flakes in the plurality of selected portions at the respective angular orientations as influenced by the magnetic field.
Resumen de: AU2025234312A1
A management system includes a recording device recording an image of a gaming chip and an inspection device determining a type and authenticity of the gaming chip. The gaming chip has a multilayer structure in which both sides of a colored layer are sandwiched between light color layers, surface printing representing a type of the gaming chip is performed on outer sides of the light color layers, and an authenticity recognition mark is printed on the colored layer of an inside of the light color layers by an infrared absorbing material. A visible light camera photographs a visible light image of the surface printing, and an infrared light camera photographs an infrared image of the internal printing. The inspection device determines the type and authenticity of the gaming chip using the visible light image and the infrared image. A management system includes a recording device recording an image of a gaming chip and an inspection device determining a type and authenticity of the gaming chip. The gaming chip has a multilayer structure in which both sides of a colored layer are sandwiched between light color layers, surface printing representing a type of the gaming chip is performed on outer sides of the light color layers, and an authenticity recognition mark is printed on the colored layer of an inside of the light color layers by an infrared absorbing material. A visible light camera photographs a visible light image of the surface printing, and an infrared light camera ph
Nº publicación: WO2025214825A1 16/10/2025
Solicitante:
BASF SE [DE]
BASF SE
Resumen de: WO2025214825A1
The present invention relates to a process of manufacturing a (security) product comprising a color image which is viewable under cross-polarisers, comprising a) providing a substrate; b) providing a nematic liquid crystal layer on the substrate; c) illuminating the nematic liquid crystal layer, which is in the nematic phase, through a mask by means of UV/VIS radiation; d) heating the nematic liquid crystal layer above the temperature of the phase transition to the isotropic phase; and e) illuminating the nematic liquid crystal layer, which is in the isotropic phase, with UV/VIS radiation; to obtain the fixed color image, which is viewable under cross-polarisers, wherein the different colors of the color image are caused by two or more regions of different birefringence, which depend on the ratio of nematic and isotropic liquid crystals contained in the region. The production of the color images is compared to techniques described in the prior much cheaper and offers high flexibility in producing different color images.