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METHOD FOR PRODUCING A MICRO-OPTICAL DISPLAY ARRANGEMENT AND MICRO-OPTICAL DISPLAY ARRANGEMENT

Resumen de: WO2025149133A1

The invention relates to a method for producing a micro-optical display arrangement, which has a coloured motif layer (26) arranged in a motif plane and has a plurality of multi-coloured micro-motif elements (28-1, 28-2) and a focusing element grid (24) made of a plurality of micro-focusing elements for viewing the micro-motif elements (28-1, 28-2), wherein in the method for producing the coloured motif layer (26) - a coloured layer (200; 204; 212) that is light-sensitive at least in some regions is arranged in the motif plane and is exposed to exposure radiation (B1; B2; B) through the focusing element grid (24) and is <b>thereby</b> modified in the exposed regions (202; 206; 218). The solubility of the light-sensitive layer (e.g. photoresist) can be changed and then removed in regions. The laser radiation can remove regions of the light-sensitive layer or change its colour, reflection and/or transmission properties. The motif layer can have recesses (34, 36) of different depths that can be filled with two different colours (40, 42).

PERSONALIZABLE SECURITY DOCUMENT AND METHOD OF PERSONALIZING THE SAME

Resumen de: US2025229566A1

A personalizable security document includes a combination of two secure features, namely, a laser-engravable material, and a hologram overlapping the laser-engravable material. The metallic properties of the laser-engravable material result in an enhancement of the holographic effect obtained from the hologram. Additionally, the hologram may extend to other portions of the security document in a continuous manner, for example, as a full-page hologram. This may connect the secondary image formed in the laser-engravable material with other features provided in different portions of the security document to further increase the security.

Verfahren zum Erzeugen einer mikrooptischen Darstellungsanordnung und mikrooptische Darstellungsanordnung

Resumen de: DE102024100948A1

Die Erfindung betrifft ein Verfahren zum Erzeugen einer mikrooptischen Darstellungsanordnung, die eine in einer Motivebene angeordnete farbige Motivschicht (26) mit einer Mehrzahl von verschiedenfarbigen Mikromotivelementen (28-1, 28-2) und ein Fokussierelementraster (24) aus einer Mehrzahl von Mikrofokussierelementen zur Betrachtung der Mikromotivelemente (28-1, 28-2) aufweist, wobei bei dem Verfahren zur Herstellung der farbigen Motivschicht (26)- in der Motivebene eine zumindest bereichsweise lichtempfindliche, farbige Schicht (200; 204; 212) angeordnet wird und- die lichtempfindliche Schicht (200; 204; 212) durch das Fokussierelementraster (24) hindurch mit Belichtungsstrahlung (B1; B2; B) beaufschlagt und dadurch in den beaufschlagten Bereichen (202; 206; 218) modifiziert wird.

Applying and Using Unique Unclonable Physical Identifiers

Resumen de: US2025229563A1

In a general aspect, unique unclonable physical identifiers are applied and used. A method of applying the unique marker can include receiving an object having a surface feature and forming a unique marker on the surface feature of the object. The unique marker includes a distribution of elements and conforms with a morphology of the surface feature. The method further includes extracting orientation information from the unique marker. The orientation information can indicate relative spatial orientations of the respective elements. The method additionally includes generating a unique code for the object based on the orientation information. The surface feature can be facets, surface patterns, textures, or other indentations of the object. The surface feature can include a region of the object that is susceptible to tampering.

3D EFFECT PRINTING METHOD

Resumen de: WO2025149523A1

A method of creating a 3-D effect printed image, which may also have a holographic effect, and a gravure printing press apparatus that can be used in said method.

PERSONALIZABLE SECURITY DOCUMENT AND METHOD OF PERSONALIZING THE SAME

Resumen de: EP4585424A1

A personalizable security document (10) includes a combination of two secure features, namely, a laser-engravable material (6), and a hologram (4) overlapping the laser-engravable material (6). The metallic properties of laser-engravable material (6) result in an enhancement of the holographic effect obtained from the hologram (4). Additionally, the hologram (4) may extend to other portions of the security document (10) in a continuous manner, for example, as a full-page hologram. This may connect the secondary image formed in the laser-engravable material (6) with other features provided in different portions of the security document (10) to further increase the security.

WATER-BASED DE-METALLIZATION RESIST

Resumen de: US2025222713A1

The present invention relates to a method of protecting a metal surface from damage or removal during an alkaline de-metallization process, comprising printing a water-based resist composition onto a metal-coated filmic substrate, thereby protecting the metal surface from damage or removal during the de-metallization process, wherein the water-based resist composition comprises a cationic acid-soluble resin or cationic acid-stabilized resin and water.

LAMINATED CARD COMPRISING A THERMOCHROMIC PATTERN AND METHOD FOR MANUFACTURING SUCH A CARD

Resumen de: WO2024047285A1

The invention relates to a laminated card and a method for manufacturing such a card. The card comprises, in order: a thermoplastics backing layer (100); an adhesive layer (101); a primer layer (102); a thermochromic pattern (103) which is printed using a thermochromic ink; and a plastics protective layer (104). The primer layer is suitable for the thermochromic ink, enabling good adhesion of the thermochromic pattern to the lower layers, i.e. to the backing layer via the adhesive layer. The adhesive layer (101) and the primer layer (102) are both water-based or both polymerised under UV radiation. The thermochromic ink comprises a liquid crystal compound.

DISPLAY BODY

Resumen de: WO2025142741A1

Provided is a display technique that enables special image display. This display body (1A) comprises: a transparent material layer (2) having a first main surface (S1) and a second main surface (S2); a mask layer (3) provided on the first main surface and having light transmission portions (32) regularly arranged; and an image display layer provided on the second main surface. The image display layer includes a first layer (4B) for displaying a first color, and a second layer (4R) for displaying a second color different from the first color. The first layer includes first portions (41B) arranged, in one arrangement direction of the light transmission portions, at the same pitch as the pitch of the light transmission portions in the one arrangement direction. The second layer includes second portions (41R) arranged alternately with the first portions in the aforementioned arrangement direction. The first and second portions each include a first region which can be observed through one of the light transmission portions when observed from a normal direction perpendicular to the first main surface, and a second region which cannot be observed through any of the light transmission portions when observed from the normal direction.

FIBERS FOR VERIFYING FABRIC AUTHENTICITY AND SYSTEM FOR VERIFYING FABRIC AUTHENTICITY BY USING SAME

Resumen de: EP4579009A1

The present invention relates to fibers for verifying fabric authenticity, which exhibit the functionality of verifying fabric authenticity by mixing a special pigment with fibers, and a system for verifying fabric authenticity by using the fibers. The fibers for verifying fabric authenticity of the present invention, which comprise an infrared light-emitting body, are included inside yarn or fabric to provide an effect of verifying authenticity or preventing forgery. For example, analysis for authenticity identification is complicated and impossible for certain functional products after fabric manufacture, but the fabric authenticity verification fibers of the present invention enable rapid and accurate authenticity identification.

SECURITY INK COMPOSITION AND MACHINE-READABLE SECURITY FEATURE DERIVED THEREFROM

Resumen de: CN119768284A

A security ink composition comprising at least one non-luminescent undoped Y3Fe5-xMxO12 based pigment wherein x satisfies the condition 0 < = x < = 1.25; m is selected from the group consisting of aluminum, gallium or calcium and mixtures thereof; and wherein upon drying and/or curing, at least one machine-readable security feature derived from the application of the security ink composition, preferably printing, has a comprehensive susceptibility of at least about 200 x 10-12 m3, and exhibits ferromagnetic resonance (FMR) characteristics for authentication purposes. A method for authenticating a machine-readable security feature derived from a security ink composition.

Dispositif d’authentification

Resumen de: FR3157592A1

L’invention a pour objet un dispositif d’authentification (1) d’un véhicule d’information (2) configuré pour encapsuler au moins une donnée relative à un produit ou une personne, le dispositif d’authentification (1) comprenant une zone, dite zone d’authentification (4), la zone d’authentification (4) comprenant au moins une couche (7) munie dudit véhicule d’information (2) et un élément optiquement variable (6) présentant une variation entre une première apparence et une deuxième apparence de sorte que, dans un premier état, la zone d’authentification (4) et/ou le véhicule d’information (2) présente la première apparence et que, dans un deuxième état, la zone d’authentification (4) et/ou le véhicule d’information (2) présente la deuxième apparence, un basculement entre la première apparence et la deuxième apparence étant effectué par une variation selon l’angle de vue, d’éclairage ou un stimulus physico-chimique. . Figure de l’abrégé : Figure 1

ELEMENT DE SECURITE POUR UN DOCUMENT DE SECURITE ET DOCUMENT DE SECURITE COMPORTANT UN TEL ELEMENT DE SECURITE

Resumen de: FR3157268A1

L’invention concerne un élément de sécurité (2) pour un document de sécurité, l’élément de sécurité (2) étant multicouche et comportant une face supérieure (12) et une face inférieure (13) entre lesquelles sont superposées dans cet ordre, de la face supérieure (12) à la face inférieure (13) : - une couche translucide d’encre colorée (15), - une couche de support (17) au moins partiellement, de préférence totalement, transparente ou translucide, - une couche de microstructures en relief à réflexion variable (19) de sorte à définir un effet optique variable en fonction de l’angle d’observation et/ou d’illumination depuis la face supérieure (12), et - une couche (21) comportant des particules plasmoniques, de préférence une couche (21) d’encre plasmonique. L’invention concerne également un document de sécurité comportant au moins un tel élément de sécurité (2). Figure pour l’abrégé : Fig. 2

OPACIFYING SYSTEMS FOR POLYMERIC TRANSPARENT SUBSTRATES

Resumen de: WO2025129444A1

The present technology relates to the field of improved opacified polymeric transparent substrates (x00) for use in making security documents such as banknotes, said substrates (x00) combining good mechanical performance and that can be easily handled for subsequent multi-step security printing processes. In particular, kits are provided for manufacturing an opacifying system (x10) either on one side or on both sides of a polymeric transparent substrate (xx0) , said kit comprising a) a first composition for manufacturing an opacifying layer (x11) , b) a second composition for manufacturing a conductive layer (x12) , and c) a third layer composition for manufacturing an acceptance layer (x13) , wherein the first, second and third compositions comprises i) water, ii) a water-soluble or water-dispersible resin, iii) a white pigment, iv) a wax, wherein at least one of the first, second and third compositions comprises an anti-static agent, and wherein at least two of said first, second and third compositions comprise a mica compound.

AUTHENTICATION DEVICE

Resumen de: WO2025133544A1

The invention relates to an authentication device (1) for an information carrier (2) configured to encapsulate at least one datum relating to a product or a person, wherein the authentication device (1) comprises a zone, referred to as the authentication zone (4), wherein the authentication zone (4) comprises at least one layer (7) provided with the information carrier (2) and an optically variable element (6) that displays a variation between a first appearance and a second appearance such that, in a first state, the authentication zone (4) and/or the information carrier (2) displays the first appearance and, in a second state, the authentication zone (4) and/or the information carrier (2) displays the second appearance, wherein the transition between the first appearance and the second appearance is caused by a variation in the viewing angle, or the lighting, or a physico-chemical stimulus.

SECURITY ELEMENT FOR A SECURITY DOCUMENT AND SECURITY DOCUMENT COMPRISING SUCH A SECURITY ELEMENT

Resumen de: WO2025133332A1

The invention relates to a security element (2) for a security document, the security element (2) being multilayer and comprising an upper face (12) and a lower face (13) between which faces there are superposed, in this order, from the upper face (12) to the lower face (13): - a translucent layer of coloured ink (15), - an at least partially, preferably totally, transparent or translucent backing layer (17), - a relief-structures layer (19) exhibiting variable reflection so as to define an optical effect that varies according to the angle at which it is viewed and/or illuminated from the upper face (12), and - a layer (21) comprising plasmonic particles, preferably a layer (21) of plasmonic ink. The invention also relates to a security document comprising at least one such security element (2).

SYSTEM AND METHOD FOR GENERATING HOLOGRAPHIC OPTICAL IMAGES IN CURABLE MATERIAL

Resumen de: US2025208566A1

A system for generating variable optical images in curable material using generic optical matrices, the system including an applicator configured to apply the curable material to a portion of a substrate supported by a carrier web; a transparent roller comprising surface elements formed on an outside surface of the transparent roller, the transparent roller being configured to form optical structures in the curable material, wherein the surface elements on the transparent roller form the optical structures in the curable material when the surface elements contact the curable material as the substrate travels over the outside surface of the transparent roller; a radiation source within or outside the transparent roller configured to cure the curable material after the optical structures are formed in the curable material; and an image generation component configured to obliterate portions of the optical structures to form a predetermined image.

METHODS OF MANUFACTURING SECURITY DOCUMENTS AND SECURITY DEVICES

Resumen de: EP4574442A2

A method of manufacturing a security document is provided, comprising: providing a polymer substrate having first and second surfaces in the form of a web; and in any order: (c) applying at least one opacifying layer to the first and/or second surfaces of the polymer substrate in the form of a web, the or each opacifying layer comprising a non-transparent material; and optionally either: (a) applying an array of focussing elements to the first surface of the polymer substrate in the form of a web across a first region; or (b) applying an image array to the polymer substrate in the form of a web in the first region, such that the image array is located in a plane spaced from the array of focussing elements by a distance substantially equal to the focal length of the focussing elements whereby the focussing elements exhibit a substantially focussed image of the image array; and then (q) cutting the web into sheets in the direction of web transit, then performing on the sheets whichever of steps (a) and/or (b) was not performed on the web, in at least one sheet-fed process; such that either the image array is located between the array of focussing elements and the at least one opacifying layer on the first surface of the substrate, or at least the opacifying layer(s) on the first surface of the substrate define a gap forming a window region in which at least part of the array of focussing elements is disposed such that a substantially focussed image of at least part of the image

MICRO-OPTIC SECURITY DEVICE WITH PHASE ALIGNED IMAGE LAYERS

Resumen de: EP4574438A1

A micro-optic security device (105) includes a planar array of microlenses (305), which are configured to focus light along a plurality of focal paths (610) associated with a viewing angle. The micro-optic security device further includes an icon layer stack (905) disposed along the plurality of focal paths. The icon layer stack includes a first icon layer (620) with volumes of cured material of a first color (613b) and volumes of substantially transparent material at locations outside of focal paths of the first range of viewing angles. The icon layer stack also includes a second icon layer (640) with volumes of substantially transparent cured material at locations along focal paths of the first range of viewing angles, and volumes of cured material of a second color (637a) at locations along focal paths of a second range of viewing angles.

DATA SHEET FOR INCORPORATING INTO A SECURITY DOCUMENT AND/OR DOCUMENT OF VALUE, PREPARATION PROCESSES, AND ASSOCIATED SECURITY DOCUMENT AND/OR DOCUMENT OF VALUE

Resumen de: WO2025127952A1

The present invention relates to a data sheet (10) for incorporation into a security document and/or document of value, for example a booklet, comprising a flexible spine layer (1) and at least one first flexible layer (2) and/or a second flexible layer (2a); wherein a portion of said layers (2, 2a) is connected to a portion of the first surface of the flexible spine layer (1), which comprises at least one copolymer selected from the group consisting of a styrene copolymer or an acrylic copolymer. The flexible spine layer (1) exhibits suitable dimensional stability, tensile strength and yield strength for complying with the specifications of security document manufacturing processes based on lamination at high temperatures and pressures. In addition, the flexible spine layer (1) includes level 2 security particles (5), which make the material much safer against counterfeiting and replication.

DATA CARRIER WITH MACHINE-READABLE SECURITY FEATURE, PRODUCTION METHOD AND AUTHENTICITY CHECK METHOD

Resumen de: WO2024156314A1

The invention relates to a data carrier (10), in particular a value or security document, having a substrate (20) which comprises at least one transparent plastics layer and two opposing main surfaces. The data carrier additionally contains two opaque-white layers (22, 32) having a white, opaque appearance, which are applied to the opposing main surfaces of the substrate (20). Each of the opaque-white layers (22, 32) consists of a layer sequence of two or more partial layers (24a-c, 34a-c) extending from a lowermost white layer (24a, 34a) to an uppermost white layer (24c, 34c). The data carrier also contains a machine-readable security feature which comprises a machine-readable feature substance (38) which is present in at least one of the partial layers (24c) of at least one of the opaque-white layers (22, 32).

METHOD FOR PRODUCING VALUE DOCUMENTS, AND SENSOR SYSTEM FOR QUALITY CONTROL DURING THE PRODUCTION OF VALUE DOCUMENTS

Resumen de: US2025201047A1

A method for producing value documents and a sensor system for quality control during the production of value documents, wherein a first optical radiation emanating from a first semi-finished product is captured with a first sensitivity and a first resolution and is tested on the basis of a first test criterion. If the first test criterion is satisfied, the following steps are carried out: introducing and/or applying at least one feature substance into and/or onto the first semifinished product, wherein a value document or a second semifinished product is obtained; capturing a second optical radiation emanating from the value document or the second semifinished product with at least one second sensitivity and at least one second resolution; and testing the second optical radiation on the basis of at least one second test criterion.

METHOD FOR CREATING A DIGITAL TAG FOR MARKING ARTICLES

Resumen de: WO2025127961A1

In a method for creating a digital tag for the security marking of articles, a sequence of dots is applied to an article using a luminescent dye, the resulting tag is exposed to ultraviolet light having a wavelength of 250-400 nm, the tag is read using a digital photographic camera, and the obtained image is processed. For each dot of the tag, a luminescence spectrum is obtained consisting of four bands, each of which is correlated with a whole number from 0 to 255 according to the intensity thereof. Half of the dots form a QR code in a horizontal direction, where the dots are correlated with whole numbers and a green component of an RGB code is produced, and the other half of the dots form the QR code in a vertical direction, with a red component of the RGB code being produced. Upon formation of the coloured QR code, each of the dots thereof is situated at the intersection of two components of the RGB code and contains a colour code, where each component contains from 0 to 255 dots: R is from 0 to 255, G is from 0 to 255, and B is equal to 0. The technical result of the invention consists in providing more reliable protection of a product against counterfeit.

Fluorescent Aggregates of Poly(Cyclohexylene Dimethylene Terephthalate), Method for Obtaining Same, and Use Thereof as a Physically Unclonable Label for Identifying and/or Tracing Packaging for Cosmetic and/or Perfume Products

Resumen de: US2025197716A1

Spherical aggregates of semi-crystalline thermoplastic polyester, poly(cyclohexylene dimethylene terephthalate), with a size distribution of between 160 nm and 200 nm fluorescence in the visible spectrum and are deposited on a thermoplastic aromatic polyester substrate or a thermoplastic polyolefin. The aggregates may be used as a physically unclonable label, for identifying and/or tracing packaging for cosmetic products and/or perfumes. Therefore, the aggregates provide a benefit within the field of anti-counterfeit packaging, particularly in the area of anti-counterfeit packaging for cosmetic and/or perfume products.

A SEALING MARK, A PACKAGE AND METHODS

Nº publicación: US2025196525A1 19/06/2025

Solicitante:

JUSTRULE I P B V [NL]
JustRule I.P. B.V

Resumen de: US2025196525A1

The invention relates to a sealing mark for sealing a package such as for packing medicaments. The sealing mark has a sealing layer and a hologram layer that at least partly covers the sealing layer. The sealing mark further comprises a thermosensitive layer that at least partly covers the hologram layer and/or the sealing layer. The thermosensitive layer includes thermochromic ink. The thermochromic ink is irreversible.