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OPTICAL SECURITY ELEMENT

Resumen de: US2025289261A1

An optical security element may be printed on a substrate. The optical security element may include a plurality of bifunctional pigment flakes provided in a binder. A bifunctional pigment flake in the plurality of bifunctional pigment flakes may comprise a first surface having a diffraction grating relief with a first modulation, and a second surface having a second modulation that is smaller than the first modulation. The plurality of bifunctional pigment flakes are arranged such that, in a presence of incident light, diffraction colors are exhibited by a first subset of the plurality of bifunctional pigment flakes that are in a first region of the optical security element, and an interference color is exhibited by a second subset of the plurality of bifunctional pigment flakes that are in a second region of the optical security element.

METHOD AND DEVICE FOR PRINTING FEATURES ON A PAGE OF A PASSPORT

Resumen de: WO2025190834A1

The present invention provides a method for printing features on a page (205) of a passport, the method comprising the following steps: - applying a first ink (211) to the page (205) of the passport on a first area (221) in the form of a first feature (111), - allowing the first ink (211) to sink into the page (205) of the passport to a first depth (231), - applying a second ink (212) to the page (205) of the passport on a second area (222) in the form of a second feature (112) at a second depth (232) including a depth of 0 - fixing the first feature (111) in the first area (221) at the first depth (231) and fixing the second feature in the second area (222) at the second depth (231). Further it is provided a device for printing features on a page (205) of a passport.

METHOD FOR PRINTING FEATURES ON A PAGE OF A PASSPORT AND RESPECTIVE DEVICE FOR PRINTING FEATURES ON A PAGE OF A PASSPORT

Resumen de: EP4617078A1

The present invention provides a method for printing features on a page (205) of a passport, the method comprising the following steps:- applying a first ink (211) to the page (205) of the passport on a first area (221) in the form of a first feature (111),- allowing the first ink (211) to sink into the page (205) of the passport to a first depth (231),- applying a second ink (212) to the page (205) of the passport on a second area (222) in the form of a second feature (112) at a second depth (232) including a depth of 0- fixing the first feature (111) in the first area (221) at the first depth (231) and fixing the second feature in the second area (222) at the second depth (231). Further it is provided a device for printing features on a page (205) of a passport.

OPTICAL SECURITY ELEMENT

Resumen de: EP4617079A1

Optical security element printed on a substrate and including bifunctional pigment flakes in a binder. Each flake comprises a first surface having a diffraction grating relief with a first modulation m1, and a second surface having a second modulation m2 that is smaller than the first modulation. A flake 500 can comprise a multilayer optical structure 502 including a first optical stack 704a including an absorber layer 706a1, a transparent layer 708a1, an absorber layer 706a2, a transparent layer 708a2 and a reflector layer 710a; a second optical stack 704b including a reflector layer 710b, a transparent layer 708b1, an absorber layer 706b1, a transparent layer 708b2, an absorber layer 706b2; an intermediate layer 712; and a magnetizable layer 714. By increasing the thickness of the structure 502, the thickness of one or more transparent layers 708 may serve to reduce the modulation m2, as compared to the modulation m1.

Method for Manufacturing Trading Card with Improved Surface Characteristics and Trading Card Manufactured by the Method

Resumen de: US2025281817A1

The present disclosure relates to a method for manufacturing a trading card with improved surface characteristics and a trading card manufactured by the method, and provides a method for manufacturing a trading card and a trading card manufactured by the method in which the trading card has a thick UV varnish coating layer, excellent gloss without generating bubbles and improved adhesion of the coating layer by printing and applying UV varnish again on the upper part of the trading card with the UV varnish coating layer and then curing it again.

SECURITY OPTICAL DEVICE

Resumen de: WO2024094521A1

The present invention relates to a security optical component (100) that is transferable to a blank of a document to be secured, comprising: - a support film (110) intended to be removed after transfer; - a detachment layer (120) for removing the support film (110) after transfer; - a set of security layers (140) providing a recognizable optical effect; - a protective varnish layer (130), arranged on a first face of the security layers (140); - a first transparent glue layer (150), arranged on a second face of the security layers (140), for fixing the security layers (140) when transferring the security optical component (100) onto the blank. It is essentially characterized in that it further comprises: - a second transparent glue layer (160) intended to fix the set of security layers (140) onto the blank.

RYLENE-BASED UV CURABLE SECURITY INK COMPOSITIONS

Resumen de: MX2025005177A

The invention relates to the field of UV curable security ink compositions comprising rylene-based compounds, radically curable monomers, oligomers or mixtures thereof, and radical photoinitiators. The invention further relates to security features obtained by applying or printing the security ink compositions, articles or documents containing said security features and method of preparing the security features comprising the UV curable security ink compositions.

MULTI-LAYERED HYBRID SECURITY LABEL

Resumen de: WO2024136786A1

The invention relates to the use of lithography and the multi-layered hybrid security label, which can be produced in harmony with the electronic industry, and the production method of this label.

METHOD FOR MANUFACTURING TRADING CARD WITH IMPROVED SURFACE CHARACTERISTICS AND TRADING CARD MANUFACTURED BY THE METHOD

Resumen de: EP4613498A1

A method for manufacturing a trading card with improved surface characteristics, comprising: a step 1 of supplying a trading card having a UV varnish coating layer formed thereon; a step 2 of printing and applying UV varnish on upper part of the UV varnish coating layer; a step 3 of attaching a UV casting film on upper part of the trading card having the UV varnish applied thereon; a step 4 of curing the UV varnish using a UV lamp; a step 5 of peeling the UV casting film.

SECURITY ELEMENT AND METHOD FOR PRODUCING A SECURITY ELEMENT

Resumen de: EP4613500A1

Sicherheitselement zur Absicherung von Wertdokumenten, das einen Substratkörper (2), mit ersten Rasterflächen (8), die aus ersten Teilrasterflächen (4) und zweiten, farblich unterschiedlichen Teilrasterflächen (6) aufgebaut sind, und zweiten Rasterflächen. Die ersten Teilrasterflächen (4) und die zweiten Teilrasterflächen (6) sind mit dem unbewaffneten Auge nicht unterscheidbar und ergeben gemeinsam eine Mischfarbe. Die ersten Rasterflächen (8) oder die zweiten Rasterflächen (10) sind aus Lumineszenzfarben gebildet, bei Beleuchtung mit UV-Strahlung erkennbar und bei Beleuchtung nur mit Licht aus dem sichtbaren Spektrum transparent, und die jeweils anderen Rasterflächen (8, 10) sind aus Körperfarben gebildet. Unter mindestens einem Winkel zur Vorderseite erscheinen die zweiten Rasterflächen (10) in nur teilweiser Überlappung der ersten Rasterflächen (8), wobei zwischen den zweiten Rasterflächen (10) und den ersten Teilrasterflächen (4) und den zweiten Teilrasterflächen (6) jeweils ein Grad der Überlappung im Bereich von 0% bis 100% gegeben ist, und das Sicherheitselement mindestens zwei Bereiche aufweist, in denen sich der Grad der Überlappung zwischen den zweiten Rasterflächen (10) und den ersten Teilrasterflächen (4) vom Grad der Überlappung zwischen den zweiten Rasterflächen (10) und den zweiten Teilrasterflächen (6) unterscheidet. Bei Beleuchtung mit einer Kombination aus UV-Strahlung und Licht aus dem sichtbaren Spektrum, ist die Mischfarbe in den

Security element and security element carrier

Resumen de: PL447918A1

Przedmiotem zgłoszenia jest element zabezpieczający (1) zawierający podłoże (10) dla transmisyjnego elementu optycznego oraz transmisyjny element optyczny (11). Wynalazek ma zastosowanie do zabezpieczania wartościowych dokumentów, w tym banknotów. Element zabezpieczający (1) charakteryzuje się tym, że podłoże (10) dla transmisyjnego elementu optycznego jest folią (10) posiadającą na co najmniej jednej stronie środki adhezyjne (13), przy czym co najmniej jeden obszar folii (10), na tej co najmniej jednej stronie ze środkami adhezyjnymi (13), jest pozbawiony środków adhezyjnych (13) oraz tym, że nanoszenie transmisyjnego elementu optycznego (11) na folię (10) jest wykonywane techniką nadruku na jej obszarze bez środków adhezyjnych (13). Ponadto przedmiotem zgłoszenia jest również nośnik (2) zawierający taki element zabezpieczający (1).

SECURITY DEVICES AND METHODS OF MANUFACTURE THEREOF

Resumen de: AU2024230128A1

Optically variable security device comprising: a substrate (10); an array of focussing elements (20, 21) disposed in or on the substrate; and an image array (30) disposed in or on the substrate and overlapping with the array of focussing elements, wherein the image array comprises at least first (11) and second (12) sets of image elements, the first set of image elements and the second set of image elements being interleaved with each other, wherein the image array comprises a first ink and a second ink different from the first ink, one or both of the first and second inks comprising a luminescent material.

SECURITY FEATURE AND SECURITY FEATURE CARRIER.

Resumen de: WO2025183578A1

The subject of the invention is a security feature comprising a substrate for a transmissive optical element and a transmissive optical element. The invention is applicable to secure securities, including banknotes. The security feature is characterised in that the substrate (10) for the transmissive optical element is a foil having on at least one side adhesive means (13), wherein at least one area (14) of the foil (10), on this at least one side with adhesive means, has no adhesive means (13) and in that, the transmissive optical element (11) is made on the foil (10) by a printing technique according to a target pattern (4') at least within boundaries of the area (14) without adhesive means (13), and that the target pattern (4') contains at least a fragment (4'a) of a diffraction pattern (4) constituting a computer generated hologram.

PROCESSES FOR PRODUCING OPTICAL EFFECTS LAYERS

Resumen de: WO2025181133A1

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 processes for producing optical effect layers (OELs) comprising at least a first motif and a second motif, each of said motifs independently comprising platelet-shaped magnetic or magnetizable pigment particles.

COMPOSITION FOR ANTI-COUNTERFEIT INK, AND ANTI-COUNTERFEIT PRINTED MATTER

Resumen de: EP4610317A1

A forgery-proof ink composition contains organic-inorganic hybrid infrared absorbing particles, and a liquid medium. The organic-inorganic hybrid infrared absorbing particles contain 15% by mass or greater and 55% by mass or less of infrared absorbing particles, and a coating resin coating at least parts of surfaces of the infrared absorbing particles.

FLUORESCENT WATERMARK FOR PARTIALLY REFLECTING/ABSORBING INKS IN THE UV SPECTRUM

Resumen de: US2025269674A1

Methods and systems for configuring and rendering a fluorescent watermark can involve modifying a non-partially reflecting/absorbing ultraviolet ink from an original ultraviolet pattern by blending a minimal amount of a partially reflecting ink, and ensuring that the modification of the non-partially reflecting/absorbing ultraviolet ink maintains an appearance of two or more pattern inks as a single color/pattern under office lighting when rendered as a part of a fluorescent watermark based on the non-partially reflecting/absorbing ultraviolet ink. The fluorescent watermark can be then rendered on a substrate (e.g., paper or other material).

DEVICES AND METHOD FOR PRODUCING SECURITY DOCUMENTS

Resumen de: WO2025176709A1

A transferring device for orienting platelet-shaped magnetic or magnetizable pigment particles contained in a radiation curable coating composition and applied on a substrate, the transferring device comprising: a number N of identical magnetic blocks (102) aligned along an alignment line provided on an outer surface of the transferring device, the magnetic blocks (102) each including M magnetic field generating devices (101) each generating a corresponding magnetic field such that the magnetic blocks (102) each generate a block magnetic field, N being greater than or equal to two, and M being greater than or equal to one; and a shielding element (105) partly isolating the block magnetic field of each magnetic block (102) from the block magnetic field of the other magnetic blocks (102), or a compensation magnetic block provided alongside the magnetic block (102).

DROP-ON-DEMAND PRINT HEAD MAINTENANCE IN A CARD PERSONALIZATION SYSTEM

Resumen de: WO2025178793A1

A card (or passport) personalization system is described that includes a print mechanism with one or more DOD print heads. A maintenance routine, also referred to as a spitting routine, is described where one or more nozzles of the DOD print head is electrically actuated a plurality of times in rapid succession, each actuation emitting a small drop of ink. The small drops of ink join together in flight after being ejected to create one or more larger waste ink drops. The larger ink drop(s) has less tendency to aerosolize which reduces aerosol contamination of the nozzle plate and the nozzle.

METAMERIC SECURITY DEVICES

Resumen de: EP4606594A2

There is disclosed a security device, including a substrate; a first color-shifting pigment on a first region of the substrate; and a second pigment, including at least three dielectric layers, on a second region of the substrate; wherein the first color-shifting pigment and the second pigment color match at a first viewing angle. Methods of making and using the security device are also disclosed.

Tamper-evident packaging

Resumen de: GB2638385A

A method of preparing tamper-evident packaging comprises the steps of applying a customisable tape 12 to a packaging container 10, the tape having a laser-imageable layer (340, Fig. 7) within or adjacent an adhesive layer (240, Fig. 7) and creating an image (13, Fig. 1a) in the laser-imageable layer by laser irradiation, wherein the image is at least partially transferred 16 onto the container after removal of the tape. Typically, the image comprises a computer-readable code and may be formed before or after application of the tape to the container. The tape may comprise a substrate (140, Fig. 7), a paper layer, and a release layer (440, Fig. 7) positioned between the substrate and the laser-imageable layer. The laser-imageable layer may be formed within or adjacent the paper layer. First and second images may be created in first and second regions of the tape, each region comprising an adhesive with different properties.

FLUORESCENT WATERMARK FOR PARTIALLY REFLECTING/ABSORBING INKS IN THE UV SPECTRUM

Nº publicación: EP4606592A1 27/08/2025

Solicitante:

XEROX CORP [US]
Xerox Corporation

Resumen de: EP4606592A1

Methods and systems for configuring and rendering a fluorescent watermark can involve modifying a non-partially reflecting/absorbing ultraviolet ink from an original ultraviolet pattern by blending a minimal amount of a partially reflecting ink, and ensuring that the modification of the non-partially reflecting/absorbing ultraviolet ink maintains an appearance of two or more pattern inks as a single color/pattern under office lighting when rendered as a part of a fluorescent watermark based on the non-partially reflecting/absorbing ultraviolet ink. The fluorescent watermark can be then rendered on a substrate (e.g., paper or other material).