ЗАЩИТНЫЙ ЭЛЕМЕНТ ДЛЯ ЗАЩИЩЕННОЙ ОТ ПОДДЕЛКИ БУМАГИ И ЦЕННЫХ ДОКУМЕНТОВ

Защитный элемент (3) имеет два различных защитных признака. Эти защитные признаки расположены с противоположных сторон защитного элемента и по меньшей мере один из них обладает оптически переменными свойствами. При рассматривании защитного элемента с одной из сторон виден только один из этих защитных признаков. Повышается степень защиты бумаги и ценных документов от подделки. 6 н. и 21 з.п. ф-лы, 15 ил.

ЗАЩИТНЫЕ КРАСКИ И МАШИНОЧИТАЕМЫЕ ЗАЩИТНЫЕ ПРИЗНАКИ

Изобретение относится к области защитных красок, подходящих для печати машиночитаемых защитных признаков на подложке, защищаемых документах или изделиях, а также к области машиночитаемых защитных признаков, выполняемых из указанных защитных красок, и к области защищаемых документов. Защитная краска содержит один или более поглощающих ИК-излучение материалов, при этом указанная защитная краска позволяет получать машиночитаемый защитный признак, имеющий следующие оптические свойства: светлота L* равна или превышает 80, цветность C* меньше или равна 15 и коэффициент отражения при 900 нм меньше или равен 60%. При этом вязкость защитной краски составляет от 10 мПа⋅с до 3000 мПа⋅с при 25°С. Изобретение позволяет получить защитные краски, которые имеют высокую химическую стойкость и высокий коэффициент отражения в видимом диапазоне. 5 н. и 10 з.п. ф-лы, 1 ил., 11 табл.

СРЕДСТВО ЗАЩИТЫ И ИСПОЛЬЗУЮЩИЙ ЕГО ЗАЩИЩЕННЫЙ ОТ ПОДДЕЛКИ ПРОДУКТ

Изобретение относится к средству защиты на бумажной основе, а также к способу изготовления этого средства защиты и к защищенным документам, имеющим по меньшей мере одно такое средство защиты, встроенное в них и/или установленное на них. Средство защиты для использования на или в таком защищенном документе, как бумага с защитой от подделок, которое содержит бумажную основу, имеющую прочность на растяжение во влажном состоянии и противоположные плоские поверхности. При этом основа имеет напечатанные только на одной поверхности знаки, причем знаки видимы с отпечатанной поверхности и с противоположной поверхности основы. Предложенное изобретение повышает степень защиты от подделки документов при одновременной простоте проверки их подлинности. 6 н. и 15 з.п. ф-лы, 2 ил.

ЦЕННЫЙ ДОКУМЕНТ С СЕРИЙНЫМ НОМЕРОМ

Изобретение относится к ценному документу, в частности к банкноте, имеющему индивидуальную метку, которая нанесена по меньшей мере по одному разу на лицевую и на обратную сторону ценного документа. По меньшей мере один из индивидуальных идентификаторов, нанесенных на лицевую и на обратную сторону ценного документа, наносят на ценный документ бесконтактным способом. Причем нанесение индивидуальных идентификаторов на лицевой и обратной стороне ценного документа осуществляется путем односторонней обработки ценного документа. Предложенное изобретение обеспечивает высокую степень защиты ценного документа при минимальных производственных издержках. 2 н. и 30 з.п. ф-лы, 16 ил.

ЦЕННЫЙ ДОКУМЕНТ, СПОСОБ ПРОВЕРКИ НАЛИЧИЯ ТАКОВОГО И СИСТЕМА ЦЕННЫХ ДОКУМЕНТОВ

Изобретение относится к ценному документу с люминесцирующими, обособленными агломератами, которые включают в себя соответственно по меньшей мере две различные, излучающие с первой или же второй длиной излучаемых волн, люминесцирующие, твердые гомогенные фазы, причем при анализе измеряемых значений, которые являются получаемыми за счет проведенного в различных местах ценного документа, зависящего от местоположения измерения первой интенсивности люминесценции при первой длине излучаемых волн и второй интенсивности люминесценции при второй длине излучаемых волн, имеется статистическая корреляция между первыми интенсивностями люминесценции и вторыми интенсивностями люминесценции. 3 н. и 12 з.п. ф-лы, 12 ил.

ЗАЩИЩЕННЫЙ ОТ ПОДДЕЛКИ ЦЕННЫЙ ДОКУМЕНТ С ЗАЩИТНЫМ ЭЛЕМЕНТОМ (ВАРИАНТЫ), СПОСОБ ЗАЩИТЫ ОТ ПОДДЕЛКИ ЦЕННОГО ДОКУМЕНТА (ВАРИАНТЫ), УСТРОЙСТВО ВИЗУАЛИЗАЦИИ И ЗАЩИТНЫЙ ЭЛЕМЕНТ (ВАРИАНТЫ)

Изобретение относится к сфере производства и обращения защищенной полиграфической продукции. Защищенный от подделки ценный документ представляет собой банкноту, паспорт, ценную бумагу, пластиковую карту, свидетельство, проездной документ, акцизную марку, вексель, диплом, водительское удостоверение или иную подобную продукцию с защитным элементом, нанесенным полиграфическим способом, при этом защитный элемент для защиты идентификационных и/или платежных данных ценного документа от внесения исправлений и определения подлинности выполнен ахроматическим или слабоокрашенным красителем, обладающим селективным спектром диффузного отражения в видимой и/или ближней ИК -области оптического спектра. Способ защиты от подделки ценного документа включает нанесение сплошным слоем или локально на поверхность изделия защитного элемента и последующее нанесение идентификационной и/или платежной информации поверх защитного элемента. Устройство визуализации для создания специальных условий освещения и визуализации ...

ИЗДЕЛИЕ С ЗАЩИТОЙ И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

Изобретение относится к изделиям с защитой, таким как чековые гарантийные карточки, идентификационные карточки и т.п., и бумажные документы с защитой, включая банкноты, чеки и т.п. и способ его изготовления. Изделие с защитой имеет первую и вторую поверхности и защитную нить, состоящую из первой части, расположенной между первой и второй поверхностями, и второй части, открытой в окошке, выполненном в первой поверхности, причем защитная нить содержит средство, обеспечивающее, по меньшей мере, один скрытый элемент защиты, позволяющий проверить подлинность изделия с защитой и не обнаружимый визуально, когда защитная нить подвергается воздействию только электромагнитного излучения в видимой области спектра, при этом открытость второй части защитной нити в окошке в первой поверхности способствует обнаружению скрытого элемента защиты за счет обеспечения легкодоступной части защитной нити, при этом вся часть защитной нити, открытая в окошке в первой поверхности, имеет матовый неотражающий внешний ...

ПЕЧАТНЫЙ, ДОПУСКАЮЩИЙ АВТОМАТИЧЕСКОЕ СЧИТЫВАНИЕ КОД, СНАЮЖЕННЫЙ ТАКИМ КОДОМ ДОКУМЕНТ, СПОСОБ ВЫПОЛНЕНИЯ ТАКОГО КОДА И СПОСОБ ИЗГОТОВЛЕНИЯ ТАКОГО ДОКУМЕНТА

... 1. Код (1), выполненный методом металлографской печати люминесцирующей и/или электропроводной и/или поглощающей рентгеновское излучение и/или поглощающей инфракрасное излучение печатной краской и состоящий из участков (2, 3, 4), различающихся между собой толщиной образующего их слоя печатной краски. 2. Код по п.1, у которого печатная краска является флуоресцирующей. 3. Код по п.1 или 2, у которого печатная краска является фосфоресцирующей. 4. Код по п.1, у которого его участки (2, 3, 4) интегрированы в оттиск (30). 5. Код по п.1, который выполнен в виде штрих-кода. 6. Код по п.5, который выполнен в виде двумерного штрих-кода. 7. Код по п.1, у которого печатная краска по меньшей мере на его отдельных, различающихся между собой толщиной красочного слоя участках (2, 3, 4) является одноцветной непрозрачной и кроющей и нанесена слоем такой толщины, при которой эти отдельные участки кода визуально не отличимы один от другого. 8. Код по п.1, у которого толщина красочного слоя на участке, на котором ...

ЦЕННЫЙ ДОКУМЕНТ

... 1. Ценный документ, прежде всего банкнота, с основой и по меньшей мере двумя различными маркировочными веществами для его проверки, отличающийся тем, что первое маркировочное вещество введено в объем основы ценного документа, а второе маркировочное вещество представляет собой люминофор и нанесено на основу ценного документа в виде кода. 2. Ценный документ по п.1, отличающийся тем, что первое маркировочное вещество в основном равномерно распределено в объеме основы ценного документа. 3. Ценный документ по п.1, отличающийся тем, что на его основу нанесено, предпочтительно печатанием, третье маркировочное вещество, отличное от первого и второго маркировочных веществ. 4. Ценный документ по п.1, отличающийся тем, что первое маркировочное вещество и/или третье маркировочное вещество представляет/представляют собой люминофор или смесь люминофоров. 5. Ценный документ по п.1, отличающийся тем, что по меньшей мере одно из маркировочных веществ имеет легированную редкоземельными элементами основную ...

ЗАЩИЩЕННЫЙ ДОКУМЕНТ С ГОЛОГРАФИЧЕСКОЙ ПЛЕНКОЙ И ПЕЧАТНОЙ МАШИНОЧИТАЕМОЙ МАРКИРОВКОЙ

... 1. Защищенный документ, содержащий:подложку (1),пленочный элемент (6), содержащий защитный признак (12), причем указанный пленочный элемент (6) имеет верхнюю поверхность (7), обращенную в сторону от указанной подложки (1), и нижнюю поверхность (8), прикрепленную к подложке (1),печатную машиночитаемую маркировку (4, 14, 15) на указанной верхней поверхности (7) или между указанной второй поверхностью и подложкой (1), при этом маркировка (4, 14, 15) по меньшей мере частично перекрывается с пленочным элементом (6).2. Документ по п.1, в котором по меньшей мере часть маркировки (4, 14, 15) напечатана на верхней поверхности (7).3. Документ по п.1, в котором по меньшей мере часть маркировки (4, 14, 15) напечатана на нижней поверхности (8).4. Документ по п.1, в котором по меньшей мере часть маркировки (4, 14, 15) напечатана на подложке (1), при этом сцепление маркировки (4, 14, 15) с подложкой (1) слабее, чем сцепление маркировки (4, 14, 15) с пленочным элементом (6).5. Документ по п.1, в котором ...

ЦЕННЫЙ ДОКУМЕНТ С ОПТИЧЕСКИ ПЕРЕМЕННОЙ СТРУКТУРОЙ (ВАРИАНТЫ)

Изобретение относится к ценному документу, защищенному от подделки. Ценный документ содержит покрытие в виде печатного растра, выполненное, по меньшей мере, одним цветом, отличным от цвета основы документа. Также документ содержит трехмерный растр, расположенный по отношению к покрытию так, что, по меньшей мере, частично трехмерный растр расположен на покрытии, ориентирован преимущественно параллельно линиям печатного растра, и вместе с покрытием образует скрытое изображение, которое при рассматривании документа под прямым углом к поверхности неразличимо. Как минимум часть штрихов трехмерного растра выполнена с асимметричным профилем сечения с соотношением сторон профиля не менее чем 1:1,25, за счет чего при изменении угла наблюдения происходит появление скрытого изображения, выполненного в виде цветных элементов или однотонной цветной области. При изменении направления обзора документа на 180° при том же угле наблюдения возникает эффект изменения оптической плотности или цветовой гаммы ...

ЗАЩИТНЫЙ ПРИЗНАК

... 1. Защитный признак для защиты ценных документов, включающий в себя: люминесцентный пигмент, который имеет легированную люминофором (L, L1) кристаллическую решетку и который для излучения люминесцентного света выполнен с возможностью оптического возбуждения, причем люминесцентный свет люминесцентного пигмента имеет люминесцентный спектр по меньшей мере с одним первым люминесцентным пиком (А) и по меньшей мере одним вторым люминесцентным пиком (В), пиковые интенсивности (I(x), I(x)) которых зависят соответственно от мольного объема x люминофора (L, L1) в люминесцентном пигменте, отличающийся тем, что кристаллическая решетка и люминофор (L, L1) и мольный объем x люминофора (L, L1) выбраны таким образом, что для пиковой интенсивности I(x) первого люминесцентного пика (А) и пиковой интенсивности I(x) второго люминесцентного пика (В) в зависимости от мольного объема x люминофора (L, L1) действует отношениепричем параметр F=10.2. Защитный признак по п.1, отличающийся тем, что пиковая интенсивность ...

МАРКИРОВОЧНЫЙ СОСТАВ

ПЬЕЗОХРОМНЫЙ ЗАЩИТНЫЙ ЭЛЕМЕНТ НА ЖИДКОКРИСТАЛЛИЧЕСКОЙ ОСНОВЕ

... 1. Защитный элемент для носителя информации, имеющий находящийся в слое пьезохромный жидкокристаллический материал.2. Защитный элемент по п.1, отличающийся тем, что пьезохромный жидкокристаллический материал содержит холестерическую фазу и эластомер, при этом винтовая ось холестерической фазы направлена по нормали к поверхности слоя, а сама холестерическая фаза удерживается эластомером таким образом, что направление указанной винтовой оси зафиксировано, а при сжатии эластомера в направлении нормали к поверхности слоя шаг витков спиральной структуры холестерической фазы изменяется.3. Защитный элемент по п.2, отличающийся тем, что эластомер обладает свойством с задержкой возвращаться в свое несжатое исходное состояние.4. Защитный элемент по п.2, отличающийся тем, что слой содержит упругие микрокапсулы, внутри которых находится пьезохромный жидкокристаллический материал.5. Защитный элемент по п.3, отличающийся тем, что слой содержит упругие микрокапсулы, внутри которых находится пьезохромный ...

ПЕЧАТНАЯ КРАСКА, ЕЕ ПРИМЕНЕНИЕ ДЛЯ АУТЕНТИФИКАЦИИ ИЗДЕЛИЙ, ИЗДЕЛИЯ, ПОЛУЧЕННЫЕ С ЕЕ ПОМОЩЬЮ, И СПОСОБЫ АУТЕНТИФИКАЦИИ

SICHERHEITSGERÄT

BILDVERBESSERUNG

Druckformvorrichtung und Druckwerk für das Aufbringen von Identifikationsmarkierungen auf einen Bedruckstoff sowie Verfahren zum positionsgenauen Drucken einer Identifikationsmarkierung auf den Bedruckstoff

Zum positionsgenauen Drucken von Identifikationsmarkierungen 200, 200 auf einem Wert- oder Sicherheitsdokument 100 wird eine Druckformvorrichtung 700 für das Aufbringen von Identifikationsmarkierungen 200, 200 auf einen Bedruckstoff 105 bereitgestellt. Diese Vorrichtung 700 weist mindestens ein auf einem rotierbaren Halteelement 710 angeordnetes Nummernwerk 800 auf, dessen Position auf dem rotierbaren Halteelement 710 verstellbar ist. Erfindungsgemäß werden (a) der Bedruckstoff 105 mit mindestens einer Identifikationsmarkierung 200, 200 bedruckt; (b) die Position der mindestens einen Identifikationsmarkierung 200, 200 auf dem Bedruckstoff 105 ermittelt; (c) die ermittelte Position der mindestens einen Identifikationsmarkierung 200, 200 mit einer Sollposition verglichen; und (d) die Position des mindestens einen Nummernwerkes 800 auf dem rotierbaren Halteelement 710 verstellt.

Markierungszusammensetzung, deren Verwendung und diese enthaltende Gegenstände

Markierungszusammensetzung, umfassend eine Infrarot absorbierende partikuläre Komponente sowie ein Kohlenstoffderivat, wobei das Gewichtsverhältnis von Infrarot absorbierender Komponente zu Kohlenstoffderivat im Bereich von 100:1 bis 10.000:1 liegt, wobei die Infrarot absorbierende Komponente ausgewählt ist aus anorganischen Stoffen der Stoffklassen der Oxide, Sulfide und Selenide von Zinn, Zink, Antimon, Molybdän, Wolfram, Wismut und deren Mischverbindungen, wobei Zinnoxide ausgewählt werden aus mit Antimon dotiertem Zinnoxid und mit Fluor dotiertem Zinnoxid, und wobei das Kohlenstoffderivat ausgewählt ist aus Rußen, Graphit, Fullerenen, Graphenen und Carbon-Nanotubes, deren Derivaten sowie deren Mischungen.

Sicherheitselement und Wertdokument mit visuell und maschinell prüfbaren Sicherheitsmerkmalen, die in räumlicher Beziehung zueinander stehen

Die Erfindung betrifft ein Sicherheitselement in Form eines Streifens, Fadens oder Patches, das einen maschinenlesbaren Code und mindestens ein visuell erfassbares, optisch variables Sicherheitsmerkmal aufweist. Der maschinenlesbare Code ist in mindestens zwei räumlich voneinander getrennten Bereichen des Sicherheitselements, die einen ersten Codebereich und einen zweiten Codebereich bilden, angeordnet und basiert auf mindestens einer IR-Substanz, die im IR-Wellenlängenbereich absorbiert und im sichtbaren Bereich transparent ist. Das optisch variable Sicherheitsmerkmal ist in einem dritten Bereich des Sicherheitselements angeordnet, der von dem ersten Codebereich und dem zweiten Codebereich räumlich getrennt ist und in einer räumlichen Beziehung zu dem ersten und dem zweiten Codebereich steht. Die Erfindung betrifft auch ein Wertdokument, welches das registergenau applizierte Sicherheitselement auf-weist, ein Verfahren zur Herstellung des Wertdokuments sowie ein Verfahren zur Echtheitsprüfung ...

SECURITY FILM FOR DOCUMENT

SECURITY PAPER

This invention is concerned with security paper (3) for bank notes, cheques and like documents in a security strip of enhanced security which is more difficult to counterfeit than the present bank notes containing window threads. Security papers according to the invention comprise at least one elongated security element (4) which security element is partially embedded within said paper with portions thereof being exposed at the surface of the paper at spaced intervals along the length of the security element at windows in the paper, said security element being visually detectable in transmitted light and being visible in the windows of the paper in reflected light, wherein the said security element comprises a plurality of layers including a support layer (11) and metallic regions (12) such that when the exposed portions of the security element are viewed in reflected light there is visible to the unaided eye in each window at least two metallic areas (1, 2) which form repeating patterns ...

PAPER SECURITY WITH AUTHENTICITY MARK OF LUMINESCENT MATERIAL ONLY IN AN INVISIBLE AREA OF THE LIGHT SPECTRUM AND CHECKING METHOD THEREOF

A method of manufacturing a security sheet

The present invention relates to a method of manufacturing a security sheet 10 includes laser marking and a security sheet marked by a laser. The security sheet comprises a plastic substrate 11 having opposing first and second outer surfaces 12, 13, at least one mask 25 at least partially embedded in or located on the plastic substrate and a laser markable region 30 located between the second outer surface 13 and the at least one mask. The method comprises directing a laser from the first outer surface 12 onto at least part of the at least one mask, which blocks the laser from the laser markable region 30, and adjacent to the at least one mask and to the laser markable region. Therefore at least one mark 31 aligned with the at least one mask is formed in the laser markable region.

A security article,a method and manufacture of the security article,a method of verifying authenticity of the security article and security paper

Environmental history monitor with positional displacement and security features

Environmental monitors for monitoring a predetermined environmental exposure, for example, an historical temperature exposure such as a cumulative ambient heat exposure and/or a peak ambient heat exposure may include an environmental indicator material and a security material. The environmental monitor may be configured to attach to a host product for monitoring the predetermined environmental exposure of the host product, and additionally serve as an anti-counterfeiting indicator. In one embodiment, a historical temperature exposure monitor 11 comprises: a substrate; an optically readable, thermally sensitive indicator element supported by the substrate, the indicator element further comprising an indicator material 18 configured to move in response to a predetermined temperature exposure; and a security material supported by the substrate and further comprising a luminescent material configured to give a bright appearance of a predetermined colour when exposed to specific light wavelengths ...

Transfer foil comprising optically variable magnetic pigment, method of making, use of transfer foil, and article or document comprising such.

IR-absorbing intaglio ink

Ir-absorbing intaglio ink

Transfer foil comprising optically variable magnetic pigment, method of making, use of transfer foil, and article or document comprising such.

Magnetically oriented ink on primer layer.

Transfer foil comprising optically variable magnetic pigment, method of making, use of transfer foil, and article or document comprising such.

Dipositif of safety out of guide of wave.

Magnetically oriented ink on primer layer.

VALUE DOCUMENT

IMPROVEMENTS WITH OR IN CONNECTION WITH PRINTING

SAFETY MEMBERS ALSO BY ENERGY ENTRY ACTIVATE-CASH CHARACTERISTICS

SAFETY MEMBER FOR VALUE DOCUMENTS

USE of a PHOSPHOR AS SECURITY CHARACTERISTIC, SAFETY PRINTING INK, PROCEDURES AND DEVICE TO �BERPR�FEN a DOCUMENT AS WELL AS DOCUMENT AND SECURITY CHARACTERISTIC

Sicherheitsmerkmal mit einem Markierungs- und einem Codeabschnitt

Die Erfindung betrifft ein Sicherheitsmerkmal (1) umfassend einen Markierungsabschnitt (2) und einen Codeabschnitt (3), wobei der Markierungsabschnitt (2) stochastisch verteilte Markierungspartikel (4) aufweist, und wobei der Codeabschnitt (3) einen kontaktlos lesbaren Codeelement (5) mit einem , deterministischen Code aufweist, und wobei ferner ein aus dem Markierungsabschnitt (2) gebildetes Kennzeichnungs-merkmal (7) im Codeelement (5) hinterlegt ist. Die Erfindung betrifft ferner ein Druckmedium (8) mit einem Sicherheitsmerkmal, ein Sicherungs- und ein Validierungsverfahren für ein Druckmedium.

SICHERHEITSPAPIER AND OTHER SAFETY ARTICLES

VALUE DOCUMENT

Two security features that together form a third security feature

The invention concerns a set of N security features (105, 106, 110), each security feature forming, alone, an authentication feature different to those formed by the other security features, the different security features being shaped such that, when the N security features are superimposed, they together form an N+1th authentication feature (112) unrelated to the N other authentication features (107, 108, 111) each formed respectively by one of the N security features.

Improvements in and relating to printing

Layer-type value document comprising an ink mixture in one layer

Transparent infrared absorbing materials

An infrared absorbing material, an infrared absorbing ink formulation and a method of production are provided in which at least one infrared absorbing dye is supported on nanoparticles having an average size not greater than 100nm in at least one direction. The dye-supporting nanoparticles may be dispersed in a carrier vehicle such that the infrared absorbing material or ink is substantially transparent to visible radiation. The infrared absorbing material and ink are particularly suitable for use in banknotes and other security documents.

Methods for printing tactile security features

The present invention is related to a process for manufacturing a security feature comprising a tactile pattern, said method comprising the steps of applying on a substrate a radiation-curable basecoat composition by a process selected from the group consisting of inkjet, offset, screen printing, flexo printing and rotogravure; at least partially or fully radiation-curing said radiation-curable basecoat composition so as to obtain a radiation-cured basecoat; applying on the radiation-cured basecoat obtained under step ii) a radiation-curable topcoat composition in a form of indicia by a process selected from the group consisting of screen printing, flexo printing and rotogravure; radiation-curing said radiation-curable topcoat composition so as to form a radiation-cured topcoat, wherein the radiation-curable basecoat composition and/or the radiation-curable topcoat composition comprises one or more machine readable feature substances independently selected from the group consisting of cholesteric ...

Security document comprising a security feature having a layer with particles

Security device

SECURITY DEVICE AND NOVEL ANTI-COUNTERFEIT PRODUCT EMPLOYING SAME

METHOD FOR MARKING A MATERIAL AND RESULTING MARKED MATERIAL

ASSEMBLY CONSISTING OF A TWO-DIMENSIONAL NETWORK OF MICRO-OPTICAL DEVICES AND A NETWORK OF MICRO-IMAGES, METHOD FOR MANUFACTURING SAME, AND SECURITY DOCUMENT COMPRISING SAME

La présente invention se rapporte notamment à un ensemble (E) constitué : d'un réseau bidimensionnel de dispositifs micro-optiques tels que des microlentilles; et d'un réseau de micro-images constitué au plus d'autant de micro-images (ML) que de dispositifs micro-optiques, chaque micro-images étant subdivisée en N imagettes disposées de manière à reconstituer, pour un observateur et au travers dudit réseau bidimensionnel de dispositifs micro-optiques, N images visibles selon N points de vue différents, c'est à dire N angles de restitution, chacune de ces N images représentant un point de vue de référence ou d'enregistrement d'une même scène en relief constituée d'au moins un objet mobile, caractérisé par le fait que les imagettes constitutives d'un même objet au sein desdites N images sont réparties au sein dudit réseau de micro-images de telle sorte quelles apparaissent, suivant l'angle de restitution, à travers différents dispositifs micro-optiques en décrivant la trajectoire de la projection ...

CORE-SHELL PARTICLE-BASED SECURITY PIGMENT AND METHOD FOR PRODUCTION THEREOF

The invention relates to a security pigment comprising core-shell particles that have an organic addition polymer-based core, an organic condensation polymer-based shell, and a distinctive substance that is finely distributed or dissolved in the core, the addition polymer being a three-dimensionally cross-linked thermosetting material.

PHOTOLUMINESCENT IRON-DOPED BARIUM STANNATE MATERIAL, SECURITY INK COMPOSITION AND SECURITY FEATURE THEREOF

The present invention provides photoluminescent iron-doped barium stannate materials absorbing ultraviolet (UV) light and exhibiting strong near-infrared (NIR) luminescence. Such materials exhibit increased integrated photoluminescence intensity in comparison to known BaSnO3 and iron-doped barium stannate materials, and therefore they are particularly useful for the production of photoluminescent security ink compositions and transparent covert security features with improved anti-counterfeiting resistance that can be used for protection of documents and articles against counterfeit and illegal reproduction.

MACHINE READABLE SECURITY FEATURES

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 selected from the group consisting of crystal water-free iron(II) orthophosphates of the general formula Fe3(PO4)2 and having a graftonite crystal structure, crystal water-free iron(II) metal orthophosphates, crystal water-free iron(II) metal phosphonates, crystal water-free iron(II) metal pyrophosphates, crystal water-free iron(II) metal metaphosphates of the general formula FeaMetb(POc)d, wherein said security ink is an oxidative drying security ink, a UV-Vis curable security ink, a UV-Vis curable security ink or a combination thereof.

SECURITY PAPER AND OTHER SECURITY ITEMS

The present invention describes security paper and security items in general containing at least one security element having at least one photoluminescent segment characterized by a linearly polarized photoluminescence and/or a linearly polarized absorption. The present invention also describes a method of producing such security items as well as the use thereof.

A MICRO-OPTIC FILM STRUCTURE THAT ALONE OR TOGETHER WITH A SECURITY DOCUMENT OR LABEL PROJECTS IMAGES SPATIALLY COORDINATED WITH STATIC IMAGES AND/OR OTHER PROJECTED IMAGES

A micro-optic film structure that alone or together with a security docum ent or label projects images spatially coordinated with static images and/or other projected images is provided. The inventive film structure is made up of: (a) one or more polymer film materials; (b) one or more planar arrangem ents of primary image icons; (c) one or more planar arrangements of focusing elements or lenses; and (d) one or more secondary image icons. The planar a rrangements are configured such that when a planar arrangement of primary im age icons is viewed through a planar arrangement of focusing elements or len ses, one or more first synthetic images are projected. The secondary image i cons appear as static and/or other projected images. These images are spatia lly coordinated with the first synthetic image(s) projected by the film stru cture, such that when simultaneously displayed therewith, they visually enha nce or cancel the projected first synthetic image(s).

SECURITY INKS CONTAINING INFRARED ABSORBING METAL COMPOUNDS

A composition comprising an ink and an infrared-absorbing material wherein said infrared- absorbing material comprises a metal, a metal salt, a metal oxide or metal nitride is described. Also described is an article comprising a substrate having imaged thereon an infrared- absorbing material to form a security image; and a method of manufacture of such an article said method comprising image-wise applying substrate a composition comprising an infrared-absorbing material.

DATA CARRIER AND METHOD FOR MANUFACTURING THE SAME

The invention relates to a method for manufacturing a data storage medium (10) having labelling (12) which can be detected visually and/or by machine, in the form of patterns, letters, numbers or images. In the method, a data storage medium (10) having a data storage medium substrate (14) is provided and a marking layer (16) is applied to the data storage medium substrate. According to the invention, the labellings (12) are made in the marking layer (16) by means of short laser impulses.

DNA MARKING OF PREVIOUSLY UNDISTINGUISHED ITEMS FOR TRACEABILITY

The invention provides a method of marking an item with a DNA marker for authenticating or tracking, wherein the method includes providing an item for marking; and affixing to the item, or embedding into the item a medium comprising a DNA marker; wherein the DNA marker encodes information unique to said item. The affixing can be by printing, molding, varnishing, stamping, painting, writing, coating or by labeling.

SECURITY ELEMENT WITH COLOUR-SWITCHING EFFECT, USE OF SAME AND METHOD FOR PRODUCING SAME

The invention relates to a security element comprising a coating made of a material which has an optically variable effect, in particular a color shift effect, and has detectable blank spaces in transmitted light, wherein the security element comprises a carrier substrate and a partial layer with blank spaces, wherein the partial layer is formed of an opaque coating, which exhibits light-absorbing properties on the side that faces the coating made of the material having an optically variable effect, and which has a metallic tint on the side that faces away from the coating made of a material having an optically variable effect, wherein the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer; the invention further relates to methods for the production and use of said security element.

SECURITY DOCUMENT COMPRISING AT LEAST ONE COMBINED IMAGE AND A REVELATION MEANS, AND ASSOCIATED METHOD

Document de sécurité (1) comportant une trame de révélation (3) associée à une image combinée (2) présente sur le document (1) et/ou sur un autre objet, cette image combinée (2) comportant au moins deux images imbriquées, l'un au moins de l'image combinée (2) et de la trame de révélation (3) figurant sur une zone du document (1) au moins partiellement transparente, la trame de révélation (3) permettant lorsque superposé au moins partiellement à l'image combinée (2) du même document (1) ou de l'autre objet d'observer successivement les images imbriquées par un déplacement relatif de la trame de révélation (3) par rapport à l'image combinée (2), la superposition de la trame de révélation (3) et de l'image combinée (2) pouvant s'effectuer par pliage du document (1) et/ou par superposition du document (1) avec l'autre objet.

SECURITY DEVICE

A security device for authenticating bank notes, documents and other items, comprises a luminescent material for producing luminescent radiation of first and second wavelengths. The security device includes an optically variable structure for controlling emission of luminescent radiation of at least one of the first and second wavelengths from the security device, the se-curity device being arranged to permit, from an area of the optically variable structure, emission of luminescence of the first and second wavelengths from the security device. The optically variable structure causes the relative emissivity of the security device for luminescent radiation of the first and second wavelengths to change with a change m emission angle, so that the security de-vice produces an angle-dependent colour shift m the emitted luminescent radiation. The optically variable structure may comprise an optical interference stack that controls transmission of luminescent radiation therethrough in response ...

Eine unbefugte Vervieltältigung erschwerendes Dokument.

Wertschein mit einem zu dessen Prüfung auf Echtheit oder Gültigkeit dienenden Erkennungszeichen

Identitätskarte

AGAINST ABUSE SECURED DOCUMENT, E.G. CREDIT CARD.

DIFFRACTION-OPTICAL SAFETY MEMBER.

PROCEDURE FOR THE AUTHENTICITY EXAMINATION OF SECURITIES SECURED WITH LUMINESZIERENDEN SUBSTANCES AND DEVICE FOR THE EXECUTION OF THE PROCEDURE.

SECURITY WITH AUTHENTICITY CHARACTERISTICS IN THE FORM OF LUMINESZIERENDEN AND ABSORBING SUBSTANCES.

SECURITY WITH AUTHENTICITY CHARACTERISTICS IN THE FORM OF LUMINESZIERENDEN SUBSTANCES.

A method of manufacturing a computer card provided with signs and computer card provided with signs obtained by implementing the method.

Mittel und Verfahren zur situationsgerechten Gewährleistung eines angemessenen Persönlichkeits- und Datenschutzes.

Die vorliegende Erfindung betrifft Mittel und Verfahren zur situationsgerechten Gewährleistung eines angemessenen Persönlichkeits- und Datenschutzes. Gemäss der Erfindung ist über ein beliebig parameterisierbares Datensplitting eine beliebige Teilmenge sensitiver Personendaten entsprechend der Berechtigung der jeweiligen Kontrollperson selektiv aufbereitbar und darstellbar.

Mittel und Verfahren zur Einführung von selektiv variablen Identitätsnachweisen zwecks Sicherstellung eines angemessenen Persönlichkeits- und Datenschutzes.

Die vorliegende Erfindung betrifft Mittel und Verfahren zur Einführung von selektiv variablen Identitätsnachweisen zwecks Sicherstellung eines angemessenen Persönlichkeits- und Datenschutzes sowie zur Wahrung und Durchsetzung der informationellen Selbstbestimmung. Gemäss der Erfindung ist über ein beliebig parameterisierbares Datensplitting eine beliebige Teilmenge sensitiver Personendaten entsprechend der Berechtigung der jeweiligen Kontrollperson selektiv aufbereitbar und direkt oder indirekt sparsam darstellbar. Dies ermöglicht, dass jeweils nur eine angemessene Teilmenge von persönlichen Daten offenbart werden kann/muss.

Mittel und Verfahren zur situationsgerechten Sicherstellung eines angemessenen Persönlichkeits- und Datenschutzes.

Die vorliegende Erfindung betrifft Mittel und Verfahren zur situationsgerechten Sicherstellung eines angemessenen Persönlichkeits- und Datenschutzes. Gemäss der Erfindung ist über ein beliebig parameterisierbares Datensplitting eine beliebige Teilmenge sensitiver Personendaten entsprechend der Berechtigung der jeweiligen Kontrollperson selektiv aufbereitbar und darstellbar. Dies ermöglicht, dass jeweils nur eine angemessene Teilmenge von persönlichen Daten offenbart werden kann/muss.

PROTECTION DEVICE AND METHOD OF ITS MANUFACTURE

IMPROVED PROTECTION OF THE FLEXIBLE SUBSTRATES

Средство защиты для использования на или в защищенном документе, защищенный документ (варианты), способ изготовления средств защиты, средство защиты, способ изготовления бумаги с защитой от подделок и бумага с защитой от подделок

Средство защиты на бумажной основе имеет напечатанные знаки на одной поверхности, видимые с этой поверхности и с противоположной поверхности средства защиты. Изобретение также обеспечивает способ изготовления средств защиты на бумажной основе и также обеспечивает защищенные документы, имеющие, по крайней мере, одно упомянутое средство защиты, встроенное в них и/или установленное на них.

ЗАЩИТНОЕ УСТРОЙСТВО НА ОСНОВЕ ФОТОННОГО КРИСТАЛЛА И СПОСОБ ФОРМИРОВАНИЯ ТАКОГО УСТРОЙСТВА

Предложен способ формирования оптически изменяемого защитного устройства. При реализации способа обеспечивают материал фотонного кристалла и осуществляют над этим материалом процесс, который вызывает деформацию материала таким образом, что формируется первая область, для которой падающий свет, принимаемый материалом кристалла, избирательно отражается или пропускается для создания первого оптически изменяемого эффекта, и вторая область, для которой принимаемый падающий свет создает оптический эффект, отличающийся от первого оптически изменяемого эффекта. Также предложены соответствующие устройства, имеющие первую и вторую области.

ЗАЩИТНОЕ УСТРОЙСТВО НА ОСНОВЕ ФОТОННОГО КРИСТАЛЛА И СПОСОБ ФОРМИРОВАНИЯ ТАКОГО УСТРОЙСТВА

Предложен способ формирования оптически изменяемого защитного устройства. При реализации способа обеспечивают материал фотонного кристалла и осуществляют над этим материалом процесс, который вызывает деформацию материала таким образом, что формируется первая область, для которой падающий свет, принимаемый материалом кристалла, избирательно отражается или пропускается для создания первого оптически изменяемого эффекта, и вторая область, для которой принимаемый падающий свет создает оптический эффект, отличающийся от первого оптически изменяемого эффекта. Также предложены соответствующие устройства, имеющие первую и вторую области.

FIDUCIARY PAPER COMPRISING OF the MARKS Of AUTHENTICITY LUMINESCENT AND METHOD AND APPARATUS Of IDENTIFICATION TO AUTHENTICATE SUCH a PAPER

COMPOSITION OF SAFETY, NOT PHOTOCOPIABLE AND AUTHENTIFIABLE

SECURITY DOCUMENT ELEMENT AND

La présente invention se rapporte notamment à un élément de sécurité (2) multicouche, qui comporte un support plan et transparent ou translucide (21), caractérisé par le fait que l'une des faces opposées de ce support (21) est revêtue des couches successives suivantes : a) une couche à effet optique variable (22), c'est à dire qui, sous observation du support (21), ménage au moins un changement d'aspect visuellement perceptible à l'œil nu, en fonction des conditions d'observation ; b) une couche opaque sombre (23) qui présente au moins un ajour (230) ; c) une couche semi-réfléchissante (24), c'est à dire qui est réfléchissante lors d'une observation du support (21) en lumière réfléchie, et qui est transparente lors d'une observation du support par transmission, cette couche semi-réfléchissante (24) étant présente au moins en regard d'une partie dudit ajour (230) ; d) une couche visible (25), c'est à dire visible aussi bien en lumière réfléchie que par transmission, qui est présente au moins ...

INDENTITY CARD ANTIFRAUDE

INDENTITY CARD ANTIFRAUDE

FIDUCIARY PAPER COMPRISING OF the MARKS Of AUTHENTICITY IN the FORM OF LUMINESCENT SUBSTANCES; PROCESS AND APPARATUS TO AUTHENTICATE It

SECURITY DOCUMENT AND METHOD FOR DETECTING THE EDGE OF A DOCUMENT SECURITY

Un document de sécurité (200) est formé à partir d'un substrat de plastique transparent (211) comportant des couches opacifiantes (212) appliquées à ses surfaces avant et arrière (220, 230) excepté dans au moins une région de fenêtre (250). Un dispositif diffractif (260) est prévu dans la région de fenêtre (250), le dispositif diffractif fonctionnant (260) dans le domaine du proche infrarouge (PIR) du spectre électromagnétique lorsque le document de sécurité est acheminé à travers un appareil de détection de bord qui fonctionne dans le domaine du proche infrarouge (PIR), le dispositif diffractif déviant un faisceau de détection (20,20') de l'appareil de détection de bord à distance du détecteur de bord (30) utilisé pour détecter un bord du document de sécurité (200), évitant ce faisant des résultats de détection de bord faux positifs.

DOCUMENT GUARANTEED PROPERTY AND ITS MANUFACTORING PROCESS

SECURITY FILM AND SECURITY DOCUMENT USING A SECURITY FILM

dispositivo de segurança, documento de segurança, e método para fabricar dispositivos de segurança

documento de valor e método para a sua produção

uso de nanosistemas luminescentes para autenticação de documentos de segurança

TRANSFER FOIL AND METHOD FOR PRODUCING A TRANSFER FOIL

USE OF A LUMINOPHORE AS SECURITY FEATURE SECURITY PRINTING INK METHOD AND DEVICE FOR CHECKING A DOCUMENT AND DOCUMENT AND SECURITY FEATURE

The invention relates to the use of a luminophore of formula (Y1-x-yYbxEry)2O3 where x ≤ 0.20 and y ≤ 0.075 as security feature with anti-Stokes luminescence. Said luminophores, on stimulation with IR laser, display two peaks in the 540 nm and 670 nm region, the intensity ratio of which varies strongly and does not only depend on the proportion of Yb and Er but, for example also on the particle size. When the luminophore is present in the form of nanoparticles, preferably with a particle size of 0.1-0.5 µm, not only is the peak at 670 nm favoured but the advantage that the nanoparticles are not visible under normal light and the print quality is not affected is achieved. Security print inks with such a luminophore are also disclosed, furthermore, a method and a device for checking a document and a document with such a luminophore as security feature.

LIQUID CRYSTAL-BASED PIEZOCHROMIC SECURITY ELEMENT

The invention relates to a security element (2) for data-bearing devices (1), comprising a piezochromic liquid crystal material (3, 5) that is arranged within a layer.

SECURITY ELEMENT FOR ANTIFALSIFICATION PAPERS AND VALUABLE DOCUMENTS

The invention relates to a security element for antifalsification papers and valuable documents, such as bank notes, passports, identity papers or the like, said security element comprising a colour-coded latent image with various image constituents.

Phosphorescent compositions and methods for identification using the same

Methods of identification or detection utilizing photoluminescent compositions containing photoluminescent phosphorescent materials and photoluminescent fluorescent materials whose emission signature lies partly or fully in the infrared region of the electromagnetic spectrum onto or into objects for the purpose of identifying or detecting the objects. Methods of identification or detection utilizing photoluminescent compositions which are high in intensity and high in persistence. Methods wherein the identifying markings can be clandestine or otherwise, and methods wherein activation and detection can be decoupled spatially and temporally. Objects containing these photoluminescent compositions.

Security device

A security device for authenticating bank notes, documents and other items, comprises a luminescent material for producing luminescent radiation of first and second wavelengths. The security device includes an optically variable structure for controlling emission of luminescent radiation of at least one of the first and second wavelengths from the security device, the security device being arranged to permit, from an area of the optically variable structure, emission of luminescence of the first and second wavelengths from the security device. The optically variable structure causes the relative emissivity of the security device for luminescent radiation of the first and second wavelengths to change with a change m emission angle, so that the security device produces an angle-dependent colour shift m the emitted luminescent radiation. The optically variable structure may comprise an optical interference stack that controls transmission of luminescent radiation therethrough in response to the wavelength of luminescent radiation.

Security feature

The invention relates to a security feature with a luminescent pigment which has a host lattice doped with a luminophore and which is optically excitable to emit luminescent light. The luminescent light of the luminescent pigment has a luminescence spectrum with a first luminescence peak and a second luminescence peak whose peak intensities respectively depend on an amount fraction x of the luminophore in the luminescent pigment. In the luminescent pigment according to the invention, the host lattice and the luminophore and the amount fraction x of the luminophore are chosen such that even a slight increase or reduction of the amount fraction x of the luminophore causes a strong relative change of the peak intensities I A and I B . This increases the forgery-proofness of the luminescent pigment according to the invention.

Light-emitting medium and method of confirming light-emitting medium

There is provided a light-emitting medium by which whether a valuable paper or the like is forged or not can be judged easily and promptly. A light-emitting medium constituting a valuable paper includes a light-emitting image. The light-emitting image is composed of a pattern area formed on a substrate by using a first fluorescent ink containing a first fluorescent material, and a background area formed on the substrate by using a second fluorescent ink containing a second fluorescent material. When UV-A is irradiated, the first fluorescent ink and the second fluorescent ink emit light of colors that are viewed as different colors from each other. In addition, when UV-C is irradiated, the first fluorescent ink and the second fluorescent ink emit light of colors that are viewed as different colors from each other, the colors being different from the colors that are viewed when the UV-A is irradiated.

Colour laser marking methods of security documents

A security document precursor including, in order: a) at least one transparent biaxially stretched polyester foil; b) one colourless colour forming layer containing at least an infrared absorber, a colourless dye-precursor and a polymeric binder; and c) a polymeric support; wherein the polymeric binder is copolymer including at least 90 wt % of a chlorinated ethylene and 1 wt % to 10 wt % of vinyl acetate both based on the total weight of the binder. Methods for making the security document precursor are also disclosed.

Use of lanthanide complexes for optical marking of products

At least one lanthanide complex for optical marking of products, compositions for optical marking of products, and an optical marking method including an application step of these compositions.

ANTI-COUNTERFEITING MEDIUM AND METHOD FOR FABRICATING ANTI-COUNTERFEITING MEDIUM

An anti-counterfeiting medium includes a recording medium, a polarizer layer arranged on a part of the recording medium. The polarizer layer is formed thereon with a low extinction-ratio area that forms an image portion where a polarizer exhibits an extinction ratio lower than in a portion other than the low extinction-ratio area of the polarizer layer. The recording medium is formed thereon with an image portion that is a part of the recording medium and has a nature different from that of a portion other than the part of the recording medium. 1. An anti-counterfeiting medium comprising:a recording medium, with the recording medium having formed thereon an first image portion that is a part of the recording medium and has a nature different from another portion of the recording medium different from a portion of the first image portion; anda polarizer layer arranged on a part of the recording medium, with the polarizer layer having thereon a low extinction-ratio area that forms a second image portion where a polarizer exhibits an extinction ratio lower than another portion of the polarizer layer different from a portion of the second image portion.2. The anti-counterfeiting medium according to claim 1 , wherein the second image portion formed in the polarizer layer is recorded with information related to information recorded in the first image portion formed in the recording medium.3. The anti-counterfeiting medium according to claim 1 , wherein the polarizer layer is provided on the recording medium by sticking a transfer foil claim 1 , in which the polarizer layer and an adhesive layer are provided on a support base claim 1 , onto the recording medium.4. The anti-counterfeiting medium according to claim 1 , wherein the polarizer layer contains a dichroic dye and a liquid crystal.5. The anti-counterfeiting medium according to claim 1 , wherein the polarizer layer is uniaxially oriented.6. The anti-counterfeiting medium according to claim 1 , wherein the polarizer ...

Reader Apparatus For Upconverting Nanoparticle Ink Printed Images

An improved system and method for reading an upconversion response from nanoparticle inks is provided. A is adapted to direct a near-infrared excitation wavelength at a readable indicia, resulting in a near-infrared emission wavelength created by the upconverting nanoparticle inks. A short pass filter may filter the near-infrared excitation wavelength. A camera is in operable communication with the short pass filter and receives the near-infrared emission wavelength of the readable indicia. The system may further include an integrated circuit adapted to receive the near-infrared emission wavelength from the camera and generate a corresponding signal. A readable application may be in operable communication with the integrated circuit. The readable application receives the corresponding signal, manipulates the signal, decodes the signal into an output, and displays and/or stores the output. 1. A system to read an upconversion response from nanoparticle inks , the system comprising:a readable indicia printed on a substrate, the readable indicia being printed with upconverting nanoparticle inks;a laser in operable communication at the readable indicia, the laser adapted to direct a near-infrared excitation wavelength at the readable indicia;a near-infrared emission wavelength created by the upconverting nanoparticle inks;a short pass filter in operable communication with the readable indicia, the short pass filter adapted to receive the near-infrared excitation wavelength, receive the near-infrared emission wavelength, and to filter the near-infrared excitation wavelength; anda camera with an optical lens in operable communication with the short pass filter, the camera adapted to collect the near-infrared emission wavelength through the optical lens from the short pass filter.2. The system of further comprising:an integrated circuit in electronic communication with the camera, the integrated circuit adapted to receive the near-infrared emission wavelength of the ...

SECURITY INK PIGMENT, SECURITY INK, PRINTED MATTER, AND METHOD OF PRODUCING SECURITY INK PIGMENT

Security of a printed matter is enhanced, and a visual image is made to clear if a latent image formed by a coat printed on a matter to be printed for a security enhancement of the printed matter becomes the visual image. A security ink pigment contains a powder. A main constituent of the powder is a perovskite-type oxide. The perovskite-type oxide has a composition expressed as a general formula of ABO. A is mainly made of Ba. B is mainly made of Sn. The powder emits infrared fluorescence when being irradiated with ultraviolet excitation light. The perovskite-type oxide has a crystal lattice constant having a difference equal to or smaller than 0.002 angstrom from a theoretical crystal lattice constant of the perovskite-type oxide having a composition expressed as a composition formula of BaSnO. 1. A security ink pigment , comprising{'sub': '3', 'a powder having a main constituent of a perovskite-type oxide which is expressed as a general formula of ABO, A being mainly made of Ba and B being mainly made of Sn, and emitting infrared fluorescence when being irradiated with ultraviolet excitation light, wherein'}{'sub': '3', 'the perovskite-type oxide has a crystal lattice constant having a difference equal to or smaller than 0.002 angstrom from a theoretical crystal lattice constant of the perovskite-type oxide having a composition expressed as a composition formula of BaSnO.'}2. The security ink pigment according to claim 1 , wherein{'sup': 2', '2, 'the powder has a specific surface area ranging from 0.079 m/g to 10 m/g.'}3. The security ink pigment according to claim 1 , whereina median diameter of the powder is equal to or smaller than 10 μm.4. The security ink pigment according to claim 1 , wherein{'sub': 3', '1-x', 'x', '3, 'the perovskite-type oxide which is expressed as the general formula of ABO, A being mainly made of Ba and B being mainly made of Sn, has a composition expressed as a general formula of BaSnZnO, x satisfying 0≤x≤0.2.'}5. A security ink claim ...

SECURE LASER MARKING PERSONALISATION

The present invention relates to a method () for personalizing a document, said document comprising a support comprising printed patterns (), wherein said method () comprises generating at least a laser pulse on said support for carbonizing at least a printed pattern. 1. A method for personalizing a document , said document comprising a support comprising printed patterns , wherein said method comprises generating at least a laser pulse on said support for carbonizing at least a printed pattern.2. The method according to claim 1 , wherein the patterns are patterns printed by an offset process or an inkjet process.3. The method according to claim 1 , wherein the patterns are printed using an ink selected from the group consisting of an optical variable ink claim 1 , an ultraviolet ink claim 1 , and an infrared ink.4. The method according to claim 1 , wherein the laser pulse is a green laser or an ultraviolet laser.5. The method according to claim 1 , wherein printed patterns comprise micro characters or micro shapes claim 1 , and wherein the method comprises a preliminary step of printing said micro characters or micro shapes such that the carbonization reveals a set of micro characters forming a control code.6. The method according to claim 1 , wherein the pulse power is comprised between 500 W and 50 kW claim 1 , and the pulse lasts between some nanoseconds to some microseconds.7. A document comprising a support comprising printed patterns claim 1 , wherein at least one printed pattern is carbonized.8. The document according to claim 7 , wherein the pattern ink is an optical variable ink claim 7 , an ultraviolet ink claim 7 , or an infrared ink.9. The document according to claim 7 , wherein the printed patterns comprise micro characters or micro shapes. The present invention relates to official documents, such as an ID card, a passport or all laminated documents, and more particularly to methods for personalizing these documents.Personalization of an official ...

NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, ANTI-COUNTERFEIT INK COMPOSITION USING NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND ANTI-COUNTERFEIT PRINTED MATTER USING NEAR INFRARED ABSORBING FINE PARTICLES

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa, and a dispersant soluble in the solvent and having a fatty acid in its structure, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. 1. A near infrared absorbing fine particle dispersion liquid , containing:a solvent of one or more kinds selected from petroleum-based solvents;near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≦a≦6.2); anda dispersant soluble in the solvent and having a fatty acid in its structure,wherein viscosity is 180 mPa/S or less.2. The near infrared absorbing fine particle dispersion liquid according to claim 1 , wherein the dispersant has one kind or more selected from a secondary amine group claim 1 , a tertiary amine group claim 1 , and a quaternary ammonium group as a functional group.3. The near infrared absorbing fine particle dispersion liquid according to claim 1 , wherein the dispersant has an acid value of 1 mg KOH/g or more.4. ...

NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, ANTI-COUNTERFEIT INK COMPOSITION USING NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND ANTI-COUNTERFEIT PRINTED MATTER USING NEAR INFRARED ABSORBING FINE PARTICLES

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XB(wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≦a≦6.2); and a dispersant soluble in the solvent and having a fatty acid in its structure, wherein viscosity is 180 mPa/S or less, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. Also provided is an anti-counterfeit printed matter excellent in anti-counterfeit effect due to the printed matter containing the near infrared absorbing fine particles.

TABLE GAME MANAGEMENT SYSTEM AND GAME TOKEN

A detection system according to the present invention includes a control device that detects fraud conducted on a game table by using the image analysis result obtained by an image analysis device. In addition, each game token used in this detection system has a multilayer structure having plastic layers with a plurality of different colors stacked on each other, with a colored layer being provided at least intermediately, and white layers or light-colored layers (not illustrated, but may be any layers lighter in color than the colored layer) being stacked on two sides of the intermediate colored layer. As described above, this game token has a multi-layer structure including the colored layer, with the white layers or light-colored layers (not illustrated, but may be any layers lighter in color than the colored layer) being stacked on the two sides of the intermediate colored layer. 1. A system configured to determine a value of each of one or more game tokens that are put on a game table and constitute one or more stack , wherein the game token has a notation of value of the game token on a flat surface and has a first color part representing the value by a color thereof and a second color part not representing the value on a side surface , the system comprising:a camera configured to capture a game token put on the game table and generate an image; and analyze the image in which the one or more first color part and the one or more second color part appear; and', 'determine the value of the one or more game token that constitute one or more stack and are captured in the image based on the color of the one or more first color part in the image., 'one or more processor configured to, using a deep learning technology2. The system according to claim 1 , wherein the one or more processor is configured to determine a position of the game token.3. The system according to claim 1 , wherein the one or more processor is configured to determine a total value of the game ...

COUNTER COUNTERFEIT TECHNOLOGY

An identification patch having a plasmonic resonance structure may be used to ensure that an article is counterfeit-proof. The identification patch may be formed by a printing process, such as roll-to-roll printing or nanoimprinting, to create a distinctive ordered pattern of resonance elements. When the plasmonic resonance structure is irradiated, the ordered pattern of resonance elements produces a unique spectral response that is associated only with the counterfeit-proof article. The counterfeit-proof article may be a metal component or an integrated circuit. The resonant absorption of the plasmonic resonance structure may be measured to verify the authenticity of the article before use of the article. 1. A counterfeit-proof article comprising:an exterior surface; andat least one identification patch of material attached to the exterior surface, the identification patch of material having a plasmonic resonance structure, the plasmonic resonance structure having an absorber layer and an ordered pattern of plasmonic resonance elements that protrude from the absorber layer and that produce a distinctive optical response in an electromagnetic spectrum,wherein the ordered pattern of plasmonic resonance elements produces a measurable Raman shift.2. The counterfeit-proof article of claim 1 , wherein the plasmonic resonance elements have a rectangular claim 1 , cubic claim 1 , hemi-spherical or disc shape.3. The counterfeit-proof article of claim 1 , wherein the plasmonic resonance elements are shaped as pyramidal shaped ridges claim 1 , pyramidal teeth claim 1 , circular or rectangular pillars claim 1 , or circular or rectangular posts.4. The counterfeit-proof article of claim 1 , wherein the at least one identification patch of material has a length between 1 and 5 millimeters and a width between 1 and 5 millimeters.5. The counterfeit-proof article of claim 1 , wherein the counterfeit-proof article includes a plurality of identification patches of material attached to ...

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of illumating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. A method of making an authenticatable label comprising:applying a printing to a first side of a substrate;applying an adhesive to the second side of the substrate;applying a taggant to a first side of the backing, wherein the taggant emits luminescence in response to illumination by an excitation signal; andattaching the substrate to the backing, wherein following attaching the substrate to the backing, at least a portion of the taggant migrates into the adhesive.2. The method of wherein the taggant is applied to the first side of the backing in a pattern comprising a pre-determined computer readable image which is readable upon excitation of the taggant from an excitation signal.3. The method of wherein the pattern is a barcode.4. The method of claim 2 , wherein the taggant is applied by printing the taggant onto the first side of the backing.5. The method of wherein applying the taggant to the first side of the backing comprises applying the taggant with a substance that dissolves the taggant into the adhesive during contact with the adhesive.6. The method of further comprising receiving an image from a user claim 1 , and wherein applying the taggant to the first side of the backing comprises applying the taggant in a pattern ...

VALUABLE DOCUMENT SYSTEM

A value document system, a method for identifying a value document of a value document system, and a luminescent substance set, wherein the value document system includes at least a first value document and a second value document. The first value document has a security feature composed of a combination of at least a first and a second luminescent substance of a first or a second substance class. The second value document has a security feature with at least a first luminescent substance of the first or second substance class. The security feature of the first value document has at least a different intensity ratio of the emission, a different decay time ratio and/or a different decay time sum in two adjacent spectral ranges compared with the security feature of the second value document. 119.-. (canceled)20. A value document system , comprising at least a first value document and a second value document , i. the first luminescent substance of the security feature of the first value document being a luminescent substance of a first substance class, comprising doped garnet structures;', 'ii. the second luminescent substance of the security feature of the first value document being a luminescent substance of a second substance class, comprising doped rare earth oxysulfides, doped rare earth-phosphates and doped rare earth vanadates;', 'iii. the first and the second luminescent substance of the security feature of the first value document having partially overlapping emission spectra;', 'iv. the first and the second luminescent substance of the security feature of the first value document being jointly excitable at one wavelength;', 'v. the first and the second luminescent substance of the security feature of the first value document having a decay time of less than 5 ms; and', 'vi. the first and second luminescent substance of the security feature of the first value document being formed in such a way that the primary emission range of their partially overlapping ...

NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, ANTI-COUNTERFEIT INK COMPOSITION USING NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND ANTI-COUNTERFEIT PRINTED MATTER USING NEAR INFRARED ABSORBING FINE PARTICLES

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XB(wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≦a≦6.2); and a dispersant soluble in the solvent and having a fatty acid in its structure, wherein viscosity is 180 mPa/S or less, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. Also provided is an anti-counterfeit printed matter excellent in anti-counterfeit effect due to the printed matter containing the near infrared absorbing fine particles. 1. A near infrared absorbing fine particle dispersion liquid , containing:a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds;{'sub': 'a', 'near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, containing one or more kinds of hexaboride fine particles expressed by a general formula XB(wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≦a≦6.2); and'}a dispersant soluble in the solvent and having a fatty acid in its structure,wherein ...

Method and system for identification of assets

A method for identifying assets is provided. The method includes illuminating an identification pattern associated with the asset with non-visible light. The identification pattern includes retroreflective material that represents identity information of the asset. The method further includes adjusting either a shutter speed of an image sensor, or a power of the non-visible light, or both, based on motion state of the asset. The image sensor is configured to receive response of the retroreflective material to the non-visible light. Furthermore, the method includes the step of identifying the asset based on decoded identity information. The decoded identity information is obtained by processing the response of the retroreflective material.

SECURING THE AUTHENTICITY OF VALUE DOCUMENTS BY MEANS OF CHARACTERISTIC SUBSTANCES

A feature substance is provided for securing the authenticity of documents of value, having at least one luminescent substance in particle form and nanoparticles enveloping the surfaces of the luminescent substance particles at least partially, wherein the properties of the feature substance result from the interaction of the properties of the luminescent substance and of the nanoparticles. The invention furthermore relates to a method for producing the feature substance, a method for securing the authenticity of a security element or document of value using a feature substance, as well as security elements and documents of value with authenticity features on the basis of the feature substance. 1. A feature substance for securing the authenticity of documents of value , the feature substance comprising at least one luminescent substance in particle form , the at least one luminescent substance being excitable by radiation in at least one of the infrared visible and ultraviolet spectrum to emit luminescence;wherein the particles of the luminescent substance are enveloped at least partially by nanoparticles;wherein the nanoparticles are bound to surfaces of the particles of the luminescent substance by adhesive forces; andwherein the nanoparticles absorb in at least one wavelength range in which the luminescent substance emits, such that the luminescence spectrum of the feature substance results from the interaction of the luminescence emission properties of the luminescent substance and the absorption properties of the nanoparticles.2. The feature substance according to claim 1 , wherein the luminescent substance emits in at least one of the infrared claim 1 , visible and ultraviolet spectrum.3. The feature substance according to claim 1 , wherein the particles of the luminescent substance are enveloped substantially completely by a monolayer of the nanoparticles.4. The feature substance according to claim 1 , wherein the luminescent substance is selected from ...

TABLE GAME MANAGEMENT SYSTEM, GAME TOKEN, AND INSPECTION APPARATUS

A table game management system according to the present invention includes: a camera that images a game token placed on a game table; and a management control device that grasps a type (10 points, 20 points, 100 points, 1,000 points, or the like) of the game token placed on the game table based on a color of a side face of the game token imaged by the camera. 1. A game token having a side face on which there is a pattern that includes a first color that is unique to a type of the game token and a second color that is not dependent on the type of the game token.2. The game token according to claim 1 , wherein the first color extends continuously about an entirety of the game token in a circumferential direction.3. The game token according to claim 1 , wherein the second color extends continuously about an entirety of the game token in a circumferential direction.4. The game token according to claim 1 , wherein the side face of the game token has a portion whose color changes in a thickness direction of the game token.5. The game token according to claim 1 , wherein the pattern is a striped pattern made up of at least one layer characterized by the first color and at least one layer characterized by the second color.6. The game token according to claim 5 , wherein the at least one layer characterized by the first color includes a plurality of layers characterized by the first color.7. The game token according to claim 1 , wherein the pattern is formed by layers characterized by the second color arranged on both sides of a layer characterized by the first color.8. The game token according to claim 1 , wherein the pattern of the game token is formed by a plastic layer of the first color and a plastic layer of the second color being laminated together.9. The game token according to claim 8 , wherein the plastic layer of the first color and the plastic layer of the second color thermocompression bonded.10. The game token according to claim 1 , further comprising a sign ...

Security foil and method

A non-embossed security foil formed by a first taggant and a second taggant each positioned on a metallic surface and optically reactive to different stimuli for confirming the authenticity of important documents is provided. Each taggant defines a different color when exposed to an associated optical stimulus such as an infrared (IR) laser pen, allowing for the creation of multiple color, in register indicia or images that are covertly embedded into official documents and which are otherwise invisible to the naked eye. A method of utilizing taggants that are optically reactive to stimuli of different wavelengths is also provided.

Reader Apparatus For Upconverting Nanoparticle Ink Printed Images

An improved system and method for reading an upconversion response from nanoparticle inks is provided. A is adapted to direct a near-infrared excitation wavelength at a readable indicia, resulting in a near-infrared emission wavelength created by the upconverting nanoparticle inks. A short pass filter may filter the near-infrared excitation wavelength. A camera is in operable communication with the short pass filter and receives the near-infrared emission wavelength of the readable indicia. The system may further include an integrated circuit adapted to receive the near-infrared emission wavelength from the camera and generate a corresponding signal. A readable application may be in operable communication with the integrated circuit. The readable application receives the corresponding signal, manipulates the signal, decodes the signal into an output, and displays and/or stores the output. 1. A system to read an upconversion response from nanoparticle inks , the system comprising:a readable indicia printed on a substrate, the readable indicia being printed with upconverting nanoparticle inks;a laser in operable communication at the readable indicia, the laser adapted to direct a near-infrared excitation wavelength at the readable indicia;a near-infrared emission wavelength created by the upconverting nanoparticle inks;a short pass filter in operable communication with the readable indicia, the short pass filter adapted to receive the near-infrared excitation wavelength, receive the near-infrared emission wavelength, and to filter the near-infrared excitation wavelength; anda camera with an optical lens in operable communication with the short pass filter, the camera adapted to collect the near-infrared emission wavelength through the optical lens from the short pass filter.2. The system of further comprising:an integrated circuit in electronic communication with the camera, the integrated circuit adapted to receive the near-infrared emission wavelength of the ...

MIRRORED FLUORESCENT SECURITY FEATURE

A credential with one or more security features is disclosed. The disclosed credential includes a windowed security feature. The windowed security feature is taught to include a mirror element positioned in proximity with a transparent window and a first photo-luminescent feature positioned relative to the transparent window and the mirror element such that the mirror element enhances a luminescence of the first photo-luminescent feature when viewed and illuminated through the transparent window. 114.-. (canceled)15. A secure document comprising:a transparent window;a mirror element positioned in proximity with the transparent window; anda first photo-luminescent feature positioned relative to the transparent window and the mirror element such that the mirror element enhances a luminescence of the first photo-luminescent feature when viewed and illuminated through the transparent window.16. The secure document of claim 15 , wherein the secure document has a first side and a second side opposite the first side claim 15 , wherein the transparent window is viewable from at least the first or second side of the secure document claim 15 , and wherein the first photo-luminescent material is positioned in a viewable area of the transparent window.17. The secure document of claim 15 , further comprising:a second photo-luminescent material that is different from the photo-luminescent material and wherein the mirror element is situated between the first photo-luminescent material and the second photo-luminescent material.18. The secure document of claim 17 , wherein when the transparent window is illuminated with light claim 17 , the light emanating from the first side of the secure document is different from the light emanating from the second side of the secure document.19. The secure document of claim 18 , wherein the first photo-luminescent material is visible through the transparent window when viewed from the first side of the secure document and wherein the second ...

Near infrared absorbing fine particle dispersion liquid and method for producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles

A near infrared absorbing-fine-particle dispersion liquid having absorption in a near infrared region, having clear contrast, and being applicable to offset printing; a method for producing the same; an anti-counterfeit ink composition using the near infrared absorbing-fine-particle dispersion liquid; and anti-counterfeit printed matter using the near infrared absorbing-fine-particles. The near infrared absorbing-fine-particle dispersion liquid contains a solvent of one or more from vegetable oils or vegetable oil-derived compounds; near infrared absorbing-fine-particles of 2 mass % or more and 25 mass % or less, selected from one or more of hexaboride fine-particles expressed by formula XBa (where X is one or more kinds of specified elements, and 4.0≤a≤6.2); and a dispersant soluble in solvent and having a fatty acid in its structure, where the viscosity is 180 mPa·s or less. The anti-counterfeit printed matter is excellent in anti-counterfeit effect due to the near infrared ab sorbing-fine-particles.

Multi-Layer Body and Method for the Production Thereof

The invention relates to a method for the production of a multilayer body, in particular a security element, comprising the following steps: 146-. (canceled)47. A method for the production of a multilayer body in the form of 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, wherein the partial metal layer is either selectively retained or selectively removed in the areas which are covered by the partial lacquer layer.48. The method according to claim 47 , wherein the partial demetalization in step b) takes place through etching.49. The method according to claim 48 , wherein the partial lacquer layer is an etch resist claim 48 , or comprises at least one etch resist.50. The method according to claim 49 , wherein the etch resist is a lacquer that comprises:binders;colored or non-colored pigments and/or effect pigments;thin-layer film systems;cholesteric liquid crystals;dyes; and/ormetallic or non-metallic nanoparticles.51. The method according to claim 47 , wherein before the application of the partial lacquer layer in step c) claim 47 , the metal layer is partially demetalized in the second area.52. The method according to claim 51 , wherein the partial demetalization of the metal layer in the second area takes place through etching.53. The method according to claim 52 , wherein claim 52 , in the second area claim 52 , an etching base claim 52 , is printed onto the metal layer by flexographic printing.54. The method according to claim 52 , wherein claim 52 , before the etching claim 52 , a ...

SECURITY MARK, AUTHENTICATION METHOD THEREFOR, AUTHENTICATION DEVICE AND MANUFACTURING METHOD AS WELL AS SECURITY MARK INK AND MANUFACTURING METHOD THEREFOR

A method for authenticating a security mark containing a photochromic compound can provide higher security performance. The method comprises a process of irradiating a security mark containing a photochromic compound with excitation light, a process of acquiring first security information on a time-dependent change in the absorption spectrum and/or reflection spectrum of the security mark after the irradiation with excitation light, and a process of checking the acquired first security information against previously acquired first security information on the security mark. In this method, the security mark preferably contains two or more photochromic compounds different from one another in color development and/or in quenching rate after the color development in a photochromic reaction. 1. A method for authenticating a security mark , comprising:a process of irradiating a security mark containing a photochromic compound with excitation light; anda process of acquiring first security information on a time-dependent change in the absorption spectrum and/or reflection spectrum of the security mark after the irradiation with excitation light.2. The method for authenticating a security mark according to claim 1 , wherein the security mark contains two or more photochromic compounds different from one another in color development and/or in quenching rate after the color development in a photochromic reaction.3. The method for authenticating a security mark according to claim 2 , further comprising a process of checking the acquired first security information against previously acquired first security information on the security mark.4. The method for authenticating a security mark according to claim 3 , whereinthe acquired first security information is calibrated based on the temperature at the time of acquiring the first security information and is then checked against the previously acquired first security information on the security mark.5. The method for ...

INTAGLIO PRINTING INK, PRINTING PROCESS AND PRINTED ARTICLE

An intaglio printing ink includes capsule luminescent pigments and a further machine-readable feature substance. The capsule luminescent pigments include at least one core with a luminescent substance and one shell encapsulating the at least one core. They are characterized by their high luminescence intensity and high chemical stability, which enables a simultaneous loading of the intaglio printing ink with a further machine-readable feature. A printing method and a printed product include the intaglio printing ink. 116.-. (canceled)17. A multifunctional intaglio printing ink including at least one capsule luminescent pigment and at least one further machine-readable feature substance ,wherein the at least one capsule luminescent pigment has at least one core with a luminescent substance and one shell encapsulating the at least one core,wherein the core is based on a thermoplastic polymer or an organic addition polymer, and wherein the luminescent substances respectively are organic or metalorganic luminescent substances andwherein the shell consists of a condensation polymer or an organic addition polymer, and wherein the intaglio printing ink at 40° C. has a viscosity in the region of 3 Pas to 25 Pas.18. The intaglio printing ink according to claim 17 , including at least two capsule luminescent pigments which have different emission spectra of the luminescence emission claim 17 ,wherein for each of the at least two capsule luminescent pigments the material of the at least one core, the material of the shell, and the thickness of the shell are mutually coordinated such that the at least two capsule luminescent pigments have a substantially same chemical stability.19. The intaglio printing ink according to claim 17 , wherein the machine-readable feature substance is selected from: NIR absorbers claim 17 , magnetic substances and luminescent substances.20. The intaglio printing ink according to claim 17 , wherein the machine-readable feature substance has a portion ...

VALUE DOCUMENT HAVING SECURITY MARKING WITH VARYING DECAY TIME AND METHOD FOR IDENTIFYING THE SECURITY MARKING

A value document has a security marking in the form of two luminescent substances whose the emission spectra partially overlap in a primary emission range. The emission spectra have a degree of overlap of less than 80% and more than 5%, wherein the luminescent substances have different individual decay times in the primary emission range. The individual decay times of the luminescent substances differ from each other by more than 50% with reference to the shortest individual decay time. 121.-. (canceled)22. A value document having a security marking in the form of at least two inorganic luminescent substances whose emission spectra partially overlap in a primary emission range ,wherein the emission spectra have a degree of overlap of less than 80% and more than 5%,wherein the luminescent substances have different individual decay times in the primary emission range,wherein the individual decay times of the luminescent substances differ by more than 50% with reference to the shortest individual decay time.23. The value document according to claim 22 , wherein the emission spectra of the luminescent substances have a degree of overlap of less than 65%.24. The value document according to claim 22 , wherein directly adjacent intensity maxima of two different luminescent substances differ from each other by less than 200 nm claim 22 , and are mutually spaced apart by more than 20 nm.25. The value document according to claim 22 , wherein the individual decay times of the luminescent substances differ by more than 75% claim 22 , with reference to the shortest individual decay time.26. The value document according to claim 22 , wherein the individual decay times of the luminescent substances are in the range of 50 μs to 5000 μs claim 22 ,wherein in particular the individual decay time of a first luminescent substance is in the range of 100 μs to 200 μs and the individual decay time of a second luminescent substance is in the range of 400 μs to 1000 μs.27. The value document ...

MULTILAYERED STRUCTURES AND USES THEREOF IN SECURITY MARKINGS

A security marking has a physically unclonable function (PUF) wherein the PUF includes a disordered multilayer photonic crystal structure having an electromagnetic transmission and/or reflection spectrum and/or spectra upon receipt of electromagnetic radiation within a photonic bandgap region of the structure that is unique to the structure. 1. A method of producing a plurality of security markings , the method comprising:multilayer coextruding one or more polymer materials to form disordered and/or non-uniform polymer layers and multiplying the disordered and/or non-uniform polymer layers to form a film that has a randomness defined by disorder and/or non-uniformity within the film that result from the multilayer coextrusion and multiplying processes, wherein the film includes a plurality of regions and wherein each region has an electromagnetic transmission and/or reflection spectrum and/or spectra upon receipt of electromagnetic radiation within a photonic bandgap region of the film that is unique to the region of the film.2. The method of claim 1 , wherein the plurality of regions are arranged along a length and/or width of the film and each region extends the thickness of the film.3. The method of claim 1 , further comprising separating the regions to provide a plurality of separated film regions claim 1 , wherein the plurality of separated film regions define at least a portion of the plurality of security markings.4. The method of claim 1 , wherein the film includes polymer layers with dissimilar indices of refraction.5. The method of claim 1 , wherein the multilayer coextrusion and multiplying processes produce a plurality of first polymer layers of a first polymer material and second polymer layers of a second polymer material that are stacked.6. The method of claim 5 , wherein the first polymer layers and the second polymer layers are randomly stacked and/or the thicknesses of at least some of the plurality of the first polymer layers or the second polymer ...

Security element

The present invention relates to security elements, comprising (a) a substrate, (b) on at least part of the substrate surface a metal layer, (c) optionally on at least part of the metal layer a dielectric layer, (d) on at least part of the metal layer, or the dielectric layer, a layer obtained by overcoating the metal layer, or the dielectric layer with a composition, comprising (i) silver nanoparticles, (ii) a solvent, (iii) (surface) stabilizing agent(s) and (iv) optionally a binder, and (e) a protective layer on top of layer (d). The maximum absorption wavelength of the silver nanoparticles in layer (d) is controlled by the amount of (surface) stabilizing agent(s) and optionally binder relative to the amount of silver nanoparticles to be preferably in the range of 700 to 1600 nm.

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of illumating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. A label comprising:a substrate having a plurality of cells defined thereon;a taggant configured to emit luminescence upon excitation by an excitation signal;wherein the taggant is applied to form a first pattern in one or more of the plurality of cells; andwherein the one or more of the plurality of cells to which the taggant is applied forms a second pattern.2. The label of claim 1 , wherein the first pattern is a predetermined formed within a predetermined number of the one or more of the plurality of cells.3. The label of claim 2 , wherein the predetermined number of cells in which the first pattern is formed forms the second pattern.4. The label of claim 3 , wherein the first pattern and the second pattern are similar claim 3 , and are detectable and recognizable by a detector.5. The label of claim 3 , wherein the first pattern and the second pattern are different claim 3 , and are detectable and recognizable by a detector.6. The label of claim 1 , further comprising an adhesive in contact with the substrate.7. The label of claim 6 , further comprising an object removably attached to the substrate via the adhesive.8. The label of claim 1 , wherein the plurality of cells are divided by a plurality of cell walls.9. The label of ...

Security Feature and Use Thereof, Value Document and Process for Verifying the Authenticity Thereof

The invention relates to a security feature for safeguarding value documents, comprising particles which are composed of at least two different, spatially separate solid homogeneous phases, wherein each of the phases is detectable and identifiable in a spatially resolved manner by means of a spatially resolving analytical method that is adapted for resolving down to the single-particle level. 125-. (canceled)26. A security feature for safeguarding value documents , comprising agglomerate particles which are composed of at least two different , spatially separate solid homogeneous phases , wherein each of the phases is detectable , separable and identifiable in a spatially resolved manner only by means of a spatially resolving spectroscopic measuring method that is adapted for resolving down to the single-particle level.27. The security feature according to claim 26 , wherein the at least two different claim 26 , spatially separate solid homogeneous phases comprise luminescing substances which emit in the visible spectral region.28. The security feature according to claim 26 , wherein the luminescing substances have a different excitation wavelength.29. The security feature according to claim 26 , wherein the agglomerate particles have a D99 grain size in a range of 1 micrometer to 30 micrometers.30. The security feature according to claim 26 , wherein the agglomerate particles have a D50 grain size in a range of 1 micrometer to 30 micrometers.31. The security feature according to claim 26 , wherein the solid homogeneous phases composing the agglomerate particles respectively have a (D99) grain size in a range of 3 micrometers to 15 micrometers.32. The security feature according to claim 26 , wherein the solid homogeneous phases composing the agglomerate particles respectively have a grain size in a range of 1 micrometer to 8 micrometers.33. The security feature according to claim 26 , wherein the agglomerate particles are composed of two different claim 26 , ...

POLYMER-CONTAINING COMPOSITE SECURITY ARTICLE

The invention relates to composite articles and laminated polymeric materials, for example, paper and plastic-based materials for tokens, and can be used in the manufacture of security articles. An article comprises a disc insert of laminated plastic and an outer metal. The insert includes stacked paper sheets impregnated with a polymer binder. Surface of each sheet is covered with a polymer layer and comprises visual and/or hidden security features. The ring and the disc insert are permanently joined together. At least one of the article components has an embossing. Dimensions of the article are in conformity with the relations: 0.8≤δ<1; D−D≥8; 0.3≤S/S<0.9; D>16 mm; Δ≤ where D is outer diameter of the metal ring, excluding edge surface, mm; D—diameter of the disc insert, mm; S—area of the metal ring, excluding edge surface, mm, S—area of the disc insert, mm; δ—maximum thickness of the metal ring, mm; δ—maximum thickness of the disc insert, mm; Δ—difference between maximum and minimum protruding elements of the metal component of the article, mm. The article has an enhanced level of security and is simple both in the manufacture and in its authentication. 1. A polymer-containing composite security article , comprising an outer metal ring and an inner disc insert made of laminated plastic including stacked paper sheets impregnated with a polymer binder throughout the volume so that surface of each sheet is covered with a polymer layer , and comprising visual and/or hidden security elements , wherein at least one of the article components has an embossing , and the ring and the disc insert are permanently joined together by pressing , and wherein dimensions of the article are in conformity with the relations:{'b': 2', '1, '0.8≤δ/δ<1;'}{'b': 1', '2, 'D−D≥8;'}{'b': 1', '2, '0.3≤S/S<0.9;'}{'b': '2', 'D>16 mm;'}Δ≤1,{'b': '1', 'where D is outer diameter of the metal ring, excluding an edge surface, mm;'}{'b': '2', 'D—diameter of the disc insert, mm;'}{'b': '1', 'sup': '2', ...

PROCESS FOR THE PRODUCTION OF STRONGLY ADHERENT (EMBOSSED) FILMS ON FLEXIBLE SUBSTRATES

Processes can produce strongly adherent, particularly embossed, films on flexible substrates. Security elements may be obtained by such processes as may be security documents, e.g., comprising the security elements. By coating a flexible substrate first with a primer layer and then with an embossed film, the adherence of the embossed film to the substrate may be improved while keeping the optical performance of the embossed film. 1. A process for producing strongly adherent films on a flexible substrate , the process comprising:(a) optionally exposing the flexible substrate to a corona discharge or a plasma discharge treatment;(b) applying a primer composition on the substrate, the primer composition comprising (b1) a polyurethane (A) comprising as synthesis components (b1a) a polyisocyanate having a functionality of at least 2, (b1b) a compound comprising an isocyanate-reactive group and a radically polymerizable unsaturated group, (b1c) a photoinitiator comprising an isocyanate-reactive group, (b2) a polyfunctional polymerizable compound (B), and (b3) a solvent;(c) evaporating the solvent by applying IR-radiation and/or thermal drying, to obtain a primer layer on the substrate;(d) curing the primer layer by UV/VIS radiation or electron beam, to obtain a primered substrate;(e) optionally, exposing the primered substrate to a corona discharge or a plasma discharge treatment;(f) applying a curable composition onto the primer coating;(g) optionally, contacting at least a portion of the curable composition with surface relief micro-structure former, to obtain an optionally embossed film;(h) curing the optionally embossed film by UV/VIS radiation or electron beam; and(i) optionally, depositing a layer of a transparent high refractive index material and/or a metallic layer on at least a portion of the cured composition.2. The process of claim 1 , comprising:(a) exposing the flexible substrate to a corona discharge or a plasma discharge treatment;(g) contacting at least a ...

Laser ablation for latent image indicia

A system and method for creating latent image indicia that includes a variable mark. The latent image indicia is made of pigmented ink that can only be viewed when illuminated with a specific frequency of light. The pigmented ink is printed in a solid patch by a conventional printing process. The variable mark in the pigmented ink is created by laser ablation of the pigment. The laser ablation is done after the ink printing as a separate step.

PHOTOLUMINESCENT IRON-DOPED BARIUM STANNATE MATERIAL, SECURITY INK COMPOSITION AND SECURITY FEATURE THEREOF

The present invention provides photoluminescent iron-doped barium stannate materials absorbing ultraviolet (UV) light and exhibiting strong near-infrared (NIR) luminescence. Such materials exhibit increased integrated photoluminescence intensity in comparison to known BaSnOand iron-doped barium stannate materials, and therefore they are particularly useful for the production of photoluminescent security ink compositions and transparent covert security features with improved anti-counterfeiting resistance that can be used for protection of documents and articles against counterfeit and illegal reproduction. 1. An iron-doped barium stannate material having a ferric (Fe) cation concentration of about 10 to about 500 ppm by weight.2. The iron-doped barium stannate material according to claim 1 , wherein the ferric cation concentration is of about 10 to about 300 ppm.3. The iron-doped barium stannate material according to claim 1 , wherein the material is a particulate material having a particle size distribution defined by d(0.9) from about 3 to about 15 μm as measured by light scattering.4. A process for manufacturing the iron-doped barium stannate material according to claim 1 , comprising the steps:{'sup': 3+', '2+', '4+, 'd) addition of an appropriate volume of Fe aqueous solution to a pre-stirred aqueous solution comprising Ba and Sn;'}{'sub': '6', 'e) addition of the aqueous solution of step d) to a NaOH aqueous solution, thereby causing the formation of the iron-doped BaSn(OH)precipitate;'}f) adjusting the pH of the suspension of step e) to about 11;{'sub': '6', 'g) separation of the iron-doped BaSn(OH)precipitate; and'}{'sub': '6', 'h) calcination of the iron-doped BaSn(OH)precipitate.'}5. The process according to claim 4 , wherein the pH of the suspension is adjusted by addition of a NaOH or HCl aqueous solution.6. A process for manufacturing the iron-doped barium stannate material according to claim 1 , comprising the steps:{'sup': '3+', 'sub': 3', '2, 'i) ...

MACHINE READABLE SECURITY FEATURES

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 selected from the group consisting of crystal water-free iron(II) orthophosphates of the general formula Fe(PO)and having a graftonite crystal structure, crystal water-free iron(II) metal orthophosphates, crystal water-free iron(II) metal phosphonates, crystal water-free iron(II) metal pyrophosphates, crystal water-free iron(II) metal metaphosphates of the general formula FeMet(PO), wherein said security ink is an oxidative drying security ink, a UV-Vis curable security ink, a UV-Vis curable security ink or a combination thereof. 2. The security ink according to claim 1 , wherein the oxidative drying security ink is an oxidative drying offset printing security ink or an oxidative drying intaglio printing security ink.3. The security ink according to claim 1 , wherein the UV-Vis curable security ink is a UV-Vis curable offset printing security ink claim 1 , a UV-Vis curable intaglio printing security ink claim 1 , a UV-Vis curable screen printing security ink claim 1 , a UV-Vis curable flexography printing security ink claim 1 , a UV-Vis curable rotogravure printing security ink or a UV-Vis curable flextensional inkjet printing security ink.4. The security ink according to claim 1 , wherein the thermal drying security ink is thermal drying a screen printing security ink claim 1 , a thermal drying flexography printing thermal security ink claim 1 , a thermal drying rotogravure printing security ink or a flextensional inkjet printing thermal drying flextensional inkjet printing security ink.5. The security ink according to claim 1 , wherein ...

LASER MARKABLE MATERIALS AND DOCUMENTS

A laser markable material includes a laser markable layer, present as a self-supporting layer or as a layer on a support, the laser markable layer including an infrared absorbing dye and an infrared absorbing pigment, characterized in that the amount of the infrared absorbing pigment is between 10 ppm and 1000 ppm relative to the total dry weight of the laser markable layer. 115-. (canceled)16. A laser markable article comprising:a laser markable layer that is a self-supporting layer or a layer on a support, the laser markable layer including an infrared absorbing dye and an infrared absorbing pigment; whereinan amount of the infrared absorbing pigment is between 10 ppm and 1000 ppm relative to a total dry weight of the laser markable layer.17. The laser markable article according to claim 16 , wherein the amount of the infrared absorbing pigment is between 50 ppm and 500 ppm relative to the total dry weight of the laser markable layer.18. The laser markable article according to claim 16 , wherein the infrared absorbing pigment is carbon black.19. The laser markable article according to claim 16 , wherein the laser markable layer further includes a leuco dye.20. The laser markable article according to claim 16 , wherein the laser markable layer includes a polymeric binder containing vinyl acetate and at least 85 wt % of vinylchloride relative to a total weight of the polymeric binder.21. The laser markable article according to claim 16 , wherein the laser markable layer includes an acid scavenger.22. The laser markable article according to claim 21 , wherein the acid scavenger is a HALS compound.23. The laser markable article according to claim 16 , wherein the infrared absorbing dye is a polymethine IR dye having an absorption maximum in a region from 800 nm to 1200 nm.24. The laser markable article according to claim 16 , wherein the laser markable layer is provided on the support claim 16 , and the support is a transparent polymeric support.25. The laser markable ...

Security sheet or document having one or more enhanced watermarks

The invention generally relates to a security sheet or document having one or more enhanced watermarks. In one exemplary embodiment, the inventive security sheet or document is a single-ply paper that is made up of a paper layer including one or more watermarks, and a micro-optic security device (e.g., a patch or thread) that at least partially covers an upper or face portion of the watermark(s). The overlying patch or thread increases the durability of the watermark(s), thereby allowing for the watermark(s) as well as reduced fiber density areas therein to be made larger, and further allowing for the reduced fiber density areas to be made thinner. In a preferred embodiment, the micro-optic security device projects one or more synthetic images that coordinate or link in with the watermark design(s). In a more preferred embodiment, the micro-optic security device offers a machine detectable/readable feature in the form of enhanced IR-brightness, especially when measured in transmission. As will be readily appreciated, the inventive security sheet or document offers greatly improved counterfeit-resistance.

Multilayer structure

A multilayer structure contains a first security element, in particular a watermark or pseudo-watermark. A diffusing structure having a diffusing region that at least partially covers the first security element. A first luminescent layer at least partially covers the first security element and is capable of emitting a visible light of a first color when subjected to a predefined excitation radiation. The first luminescent layer extends between the first security element and the diffusing structure or the diffusing structure extends between the first security element and the first luminescent layer. In one variation, the first security element is observable in light transmitted through the multilayer structure when the structure is subjected to a predefined excitation radiation and/or in white light, only from the face of the structure situated on the same side as the first security element.

Radiation curable intaglio inks

The present invention relates to the field of security documents and their protection against counterfeit and illegal reproduction and relates to the field of intaglio printing processes for the printing of said security documents. In particular, the present invention relates to radiation curable intaglio inks suitable for intaglio printing a pattern or image, wherein said intaglio printing comprises wiping off ink excess with a polymeric wiping cylinder and cleaning said cylinder with an alkaline aqueous wiping solution, The disclosed radiation curable intaglio inks comprise one or more radiation curable compounds, wherein at least one of said one or more radiation curable compounds is a fatty acid polyester (meth)acrylate oligomer; one or more photoinitiators; and a high molecular weight acid modified alkyd surfactant and/or an alkylarene sulfonic acid surfactant; one or more fillers or extenders.

Photothermally Responsive Melanin-Based Nanocomposltes

In various embodiments, the present invention is directed to photothermal-responsive melanin-based nanocomposites comprising a plurality of natural or synthetic melanin nanoparticles distributed with a polymer matrix suitable for use in anti-counterfeiting, photothermal responsive-communication, sensors, and heat management, among other applications. In some embodiments, the present invention will be an ink, paint, or other coating comprising the photothermal-responsive melanin-based nanocomposites. In some embodiments, the present invention is directed to a written message or design comprising one or more of the photothermal-responsive melanin-based nanocomposites. In some of these embodiments, the written message or design will be comprised of two ore more of the photothermal-responsive melanin-based nanocomposites having different concentrations of natural or synthetic melanin nanoparticles. 1. A photothermal-responsive melanin-based nanocomposite comprising a plurality of natural or synthetic melanin nanoparticles and a polymer matrix.2. The photothermal-responsive melanin-based nanocomposite of wherein the temperature of the nanocomposite increases when it is exposed to light.3. The photothermal-responsive melanin-based nanocomposite of wherein said plurality of natural or synthetic melanin nanoparticles comprise polydopamine (PDA) nanoparticles.4. The photothermal-responsive melanin-based nanocomposite of wherein said plurality of natural or synthetic melanin nanoparticles have a diameter of from about 10 nm to about 500 nm.5. The photothermal-responsive melanin-based nanocomposite of wherein the concentration of said plurality of natural or synthetic melanin nanoparticles in the polymer matrix is from about 0.10% to about 40 wt. %.6. The photothermal-responsive melanin-based nanocomposite of wherein said plurality of natural or synthetic melanin nanoparticles are substantially homogeneously distributed throughout the polymer matrix.7. The photothermal- ...

NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, ANTI-COUNTERFEIT INK COMPOSITION USING NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND ANTI-COUNTERFEIT PRINTED MATTER USING NEAR INFRARED ABSORBING FINE PARTICLES

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XB(wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≤a≤6.2); and a dispersant soluble in the solvent and having a fatty acid in its structure, wherein viscosity is 180 mPa/S or less, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. Also provided is an anti-counterfeit printed matter excellent in anti-counterfeit effect due to the printed matter containing the near infrared absorbing fine particles. 1. An anti-counterfeit ink composition for offset printing , comprising:a near infrared absorbing fine particle dispersion liquid, a resin varnish component, a vegetable oil component, a petroleum solvent component, and an additive agent, a solvent of vegetable oils or vegetable oil-derived compounds;', 'near infrared absorbing fine particles of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≤a≤6.2);', 'a solvent of one or more kinds selected from the ...

SECURITY ELEMENT FORMED FROM AT LEAST TWO MATERIALS PRESENT IN PARTIALLY OR FULLY OVERLAPPING AREAS, ARTICLES CARRYING THE SECURITY ELEMENT, AND AUTHENTICATION METHODS

Security element comprising a first material MAT1 and a second material MAT2 formed in or on a substrate, in such a manner that areas occupied by MAT1 and MAT2 overlap partially or fully, 11212122112. A security element comprising a first material MAT and a second material MAT , which are formed in or on a substrate , in such a manner that areas occupied by MAT and MAT overlap partially or fully so that there are three areas recognizable: an area wherein MAT , but not MAT is provided , an area wherein MAT , but no MAT is provided , and an area wherein both MAT and MAT are provided ,{'b': '1', 'the first material MAT comprising a phosphorescent pigment (donor),'}{'b': 2', '1', '80', '1', '1, 'i': e', 'a, 'the second material MAT comprising a fluorescent dye or pigment (acceptor), wherein the phosphorescent pigment present in MAT is capable of emitting phosphorescence radiation in at least one first phosphorescence emission wavelength range upon excitation by electromagnetic radiation falling within a phosphorescence excitation wavelength range λ, and'}{'b': 2', '2', '2, 'i': e', 'a, 'the fluorescent dye or pigment present in MAT is capable of emitting fluorescence radiation in at least one second fluorescence emission wavelength range λupon excitation by electromagnetic radiation falling within an fluorescence excitation wavelength range λof the fluorescent dye or pigment, and'}{'b': 1', '1', '2', '2', '1', '2, 'i': e', 'a', 'a', 'e, 'said first phosphorescence emission wavelength range λof the phosphorescent pigment present in MAT overlaps with the excitation wavelength range λof the fluorescent dye or pigment present in MAT, so that after irradiation of the security element with electromagnetic radiation within the phosphorescence excitation wavelength range λ. the emission of fluorescence radiation in the emission wavelength range λis observable.'}212. The security element according to claim 1 , wherein MAT is an ink applicable by gravure printing claim 1 , offset ...

SECURITY ELEMENT FORMED FROM AT LEAST TWO INKS APPLIED IN OVERLAPPING PATTERNS, ARTICLES CARRYING THE SECURITY ELEMENT, AND AUTHENTICATION METHODS

A security element comprising a first and a second pattern PAT and PAT formed in or on a substrate, the first pattern PAT being formed by a first material INK1 applied to a first region of the substrate, the second pattern PAT being formed by a second material INK applied to a second region of the substrate, said first and second regions of the substrate overlapping, 112. Security element comprising a first and a second pattern PAT and PAT , which are foimed in or on a substrate ,{'b': 1', '1, 'the first pattern PAT being formed by a first material INK applied to a first region of the substrate,'}{'b': 2', '2, 'the second pattern PAT being formed by a second material INK applied to a second region of the substrate, said first and second regions of the substrate overlapping,'} [{'b': 1', '2', '1', '2', '2', '1', '1', '2, 'a part of the first pattern PAT overlaps with a part of said second pattern PAT, so that there are three areas recognizable: an area wherein PAT, but not PAT is provided, an area wherein PAT, but not PAT is provided, and an area wherein both PAT and PAT are provided,'}, {'b': 1', '1', '1', '1', '1, 'i': a', 'e,, 'the first material INK comprises a first luminescent dye or pigment DYE, which upon excitation by electromagnetic radiation falling within an excitation wavelength range λof the first luminescent dye or pigment DYE is capable of emitting electromagnetic radiation in at least one first emission wavelength range λand'}, {'b': 2', '2', '2', '2', '2, 'i': a', 'e,, 'the second material INK comprises a second luminescent dye or pigment DYE, which upon excitation by electromagnetic radiation falling within an excitation wavelength range λof the second luminescent dye or pigment DYE is capable of emitting electromagnetic radiation in at least one second emission wavelength range λand'}, {'b': 1', '1', '2', '2', '1', '1', '2', '2, 'i': e', 'a', 'a', 'e., 'said first emission wavelength range λof the first luminescent dye or pigment DYE overlaps with ...

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of illuminating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. A method of authenticating an item , the method comprising:applying an adhesive to a surface of the item, the adhesive comprising a first taggant and second taggant;applying a second adhesive in a second adhesive area, the second adhesive comprising the second taggant;illuminating the item with an excitation signal, wherein the first taggant and second taggant emit luminescence in response to the excitation signal, the emitted luminescence comprising a desired image;sensing the emitted luminescence from the taggant; anddetermining the authenticity of the item based on the sensed emitted luminescence having the desired image.2. The method of claim 1 , wherein the excitation signal comprises electromagnetic energy within a predetermined spectrum.3. The method of claim 1 , wherein the emitted luminescence comprises electromagnetic energy within a predetermined spectrum.4. The method of wherein the taggant comprises two or more taggants which emit different wavelengths of electromagnetic energy when excited by the excitation signal.5. A method of authenticating an item through a substrate claim 1 , the method comprising:applying a taggant to a substrate of the item, the taggant configured to emit luminescence in response to ...

LASER MARKABLE COMPOSITIONS, ARTICLES AND DOCUMENTS

A laser markable composition includes (a) an aqueous medium; (b) a leuco dye; (c) an optothermal converting agent; and (d) a colour developing agent, characterized in that the colour developing agent is a polymer particle capable of forming an acid upon exposure to heat. 114-. (canceled)15. A laser markable composition comprising:an aqueous medium;a leuco dye;an optothermal converting agent; anda color developing agent; whereinthe color developing agent includes polymer particles that form an acid upon exposure to heat.16. The laser markable composition according to claim 15 , wherein the acid is a low molecular weight acid.17. The laser markable composition according to claim 15 , wherein the polymer particles include polyvinylidene chloride.18. The laser markable composition according to claim 17 , wherein the polyvinylidene chloride includes a vinylidene chloride copolymer including 90 wt % or less of vinylidene chloride based on a total weight of the polyvinylidene chloride polymer.19. The laser markable composition according to claim 15 , wherein an amount of the polymer particles is more than 20 wt % relative to a total weight of the laser markable composition.20. The laser markable composition according to claim 15 , wherein the optothermal converting agent includes an infrared absorbing dye claim 15 , an infrared absorbing pigment claim 15 , or a combination thereof.21. The laser markable composition according to claim 20 , wherein the infrared radiation absorbing pigment includes carbon black.22. The laser markable composition according to claim 15 , wherein the leuco dye is added as an aqueous dispersion or emulsion to the laser markable composition.23. The laser markable composition according to claim 15 , wherein the optothermal converting agent is added as an aqueous dispersion or emulsion to the laser markable composition.24. The laser markable composition according to claim 15 , further comprising:capsules including a polymeric shell surrounding a ...

LASER MARKABLE COMPOSITIONS, ARTICLES AND DOCUMENTS

A laser markable composition includes (a) an aqueous medium; (b) polymeric particles dispersed in the aqueous medium; (c) a colour developing agent or colour developing agent precursor; and (d) an optothermal converting agent; characterized in that a leuco dye is covalently bonded to the polymeric particles. 115-. (canceled)16. A laser markable composition comprising:an aqueous medium;polymeric particles dispersed in the aqueous medium;a color developing agent or a color developing agent precursor;an optothermal converting agent; anda leuco dye covalently bonded to the polymeric particles.17. The laser markable composition according to claim 16 , wherein the polymeric particles include a copolymer of a first monomer including the leuco dye and a second monomer.18. The laser markable composition according to claim 17 , wherein an amount of the first monomer relative to a total weight of the polymer particles is between 5 wt % and 15 wt %.19. The laser markable composition according to claim 16 , wherein the polymeric particles are prepared by emulsion polymerization.20. The laser markable composition according to claim 16 , wherein the polymer particles have an average particle diameter measured by dynamic laser diffraction between 15 nm and 350 nm.21. The laser markable composition according to claim 16 , wherein the color developing agent precursor includes a polymer particle that generates an acid upon exposure to heat.22. The laser markable composition according to claim 21 , wherein the polymer particles include a vinylidene chloride copolymer.24. The laser markable composition according to claim 23 , wherein the color developing agent precursor is represented by Formula I.25. The laser markable composition according to claim 24 , wherein R1 is a tolyl group and R2 is a Cto C-alkyl group or a cycloalkyl group.26. The laser markable composition according to claim 16 , wherein the optothermal converting agent includes an infrared radiation absorbing dye claim 16 , ...

ANTI-COUNTERFEITING MEDIUM AND METHOD FOR FABRICATING ANTI-COUNTERFEITING MEDIUM

An anti-counterfeiting medium includes a recording medium, a polarizer layer arranged on a part of the recording medium. The polarizer layer is formed thereon with a low extinction-ratio area that forms an image portion where a polarizer exhibits an extinction ratio lower than in a portion other than the low extinction-ratio area of the polarizer layer. The recording medium is formed thereon with an image portion that is a part of the recording medium and has a nature different from that of a portion other than the part of the recording medium. 1. A method for fabricating an anti-counterfeiting medium , comprising:preparing a recording medium;arranging a polarizer layer that contains a dichroic dye on a part of the recording medium; andcontinuously forming an image across the polarizer layer and the recording medium by laser irradiation, wherein in a first portion of the polarizer layer, which was not exposed to the laser irradiation, the dichroic dye is oriented and wherein in a second portion of the polarizer layer, which was exposed to the laser radiation and which contains a portion of the image, an orientation of the dichroic dye is disturbed by the laser irradiation so that the second portion of the polarizer layer has a lower extinction ratio that the first portion of the polarizer layer.2. The method of claim 1 , further comprising:preparing a transfer foil including a support base, the polarizer layer on the support base, and an adhesive layer arranged on the polarizer layer;arranging the transfer foil on the recording medium such that the adhesive layer is adhered to the recording medium; andseparating the support base from the polarizer layer to thereby transfer the adhesive layer and the polarizer layer to the recording medium.3. The method of claim 2 , wherein the support base comprises a uniaxially stretched film and the polarizer layer is a uniaxially oriented polarizer layer.4. The method of claim 2 , wherein the support base comprises a biaxially ...

Security mark and a method for validating the authenticity of a security mark

The invention provides for a security mark ( 1 ) on a recyclable container ( 2 ), where the security mark ( 1 ) comprises an illustration ( 3 ) including a first part ( 4 ) printed in a first ink and second part ( 5 ) printed in a second ink. The reflectance of the first part ( 4 ) is between 0 and 20 percent in the visible spectrum having a wavelength up to 660 nm, making the first part ( 4 ) substantially fully visible in most of the visible spectrum and the reflectance of the first part ( 4 ) is above 80 percent in infrared light having a wavelength above 800 nm making the first part ( 4 ) substantially invisible in most of the infrared spectrum. The reflectance of the second part ( 5 ) is between 0 and 20 percent in light having a wavelength up to 800 nm making the second part ( 5 ) substantially fully visible in the visible spectrum and a first part ( 4 ) of the infrared spectrum up to 800 nm and the reflectance of the second part ( 5 ) is above 25 percent in infrared light having a wavelength above 960 nm making the second part ( 5 ) at least not fully visible in most of the infrared spectrum. A method for validating the authenticity of a security mark ( 1 ) on a recyclable container ( 2 ) is also disclosed.

SECURITY PRINT MEDIA

A security print medium for forming security documents therefrom, the security print medium comprising a core having opposing first and second sides. The core comprises a radiation-responsive substance distributed within the core across at least a first region of the core, the radiation-responsive substance being responsive to a predetermined input radiation by producing a predetermined output radiation. The security print medium further comprises a first encoding layer disposed on the first side of the core and a second encoding layer disposed on the second side of the core, each of the first and second encoding layers comprising an encoding material that modifies the intensity of the predetermined input radiation and/or the predetermined output radiation produced by the radiation-responsive substance transmitted through the respective encoding layer, wherein the first and second encoding layers overlap each other across the first region. The optical density of each of the first and second encoding layers varies across the first region in accordance with a predetermined pattern, the predetermined pattern defining one or more encoding features, such that when the security print medium is exposed to the predetermined input radiation, the output radiation detectable from one or each side of the security print medium varies across the first region in accordance with the one or more encoding features. The first and second encoding layers are configured such that when the security print medium is viewed in transmitted visible light, the intensity of visible light transmitted through the first encoding layer, the core and the second encoding layer in combination is uniform across the first region, such that the one or more encoding features is concealed. 1. A security print medium for forming security documents therefrom , the security print medium comprising:a core having opposing first and second sides, the core comprising a radiation-responsive substance distributed ...

AN ARTICLE COMPRISING FLUORESCENCE MARKER PARTICLES AND A METHOD OF IDENTIFYING THE SAME

The present invention relates to an article comprising fluorescence marker particles, wherein the fluorescence marker particles are distributed throughout the volume of the article or in a portion of the volume of the article and the fluorescence marker particles are present in a random distribution; the volume in which the fluorescence marker particles are distributed comprises a sub-volume; the sub-volume contains at least a portion of the fluorescence marker particles; the sub-volume is at least partially permeable to electromagnetic radiation having a wavelength in the visible range and/or in the near infrared range and/or in the UVA range; and/or a portion of the surface of the sub-volume is identical to a portion of the surface of the article; and a method of identifying it. 1. An article comprising fluorescence marker particles , whereinthe fluorescence marker particles are distributed throughout the volume of the article or in a portion of the volume of the article and the fluorescence marker particles are present in a random distribution;the volume in which the fluorescence marker particles are distributed comprises a sub-volume;the sub-volume contains at least a portion of the fluorescence marker particles;fluorescence marker particles the sub-volume is at least partially transmissive to electromagnetic radiation having a wavelength in the visible range and/or in the near infrared range and/or in the UVA range; anda portion of the surface of the sub-volume is identical to a portion of the surface of the article.2. The article of claim 1 , wherein the fluorescence marker particles comprise at least two different types of fluorescence marker particles that differ from each other in size and/or shape and/or chemical composition.3. The article of claim 1 , wherein the article comprises a good claim 1 , a casing claim 1 , or both a good and a casing.4. The article of claim 1 , wherein the fluorescence marker particles are adapted to emit at least two different ...

NAPHTHALOCYANINE DERIVATIVES

The present invention relates to the use of specific naphthalocyanine chromophores with different axial substituents as almost colourless IR absorbers for security printing applications. 2. The method according to wherein X is OH or O(CHO)CHand n is 3 or 4.3. The method according to wherein X is O(CHO)CHand n is 3 or 4.4. The method according to wherein Bin formula (Ib) is —CH—CH— or —CH—HC(OH)—CH—.5. The method according to wherein Rand Rare independently of each other H or ORand Ris C-Calkyl.6. The method according to wherein the printing ink is a non-aqueous printing ink.7. The method according to wherein the compound has a mean particle size of from 15 nm to 1000 nm.8. The method according to claim 1 , wherein the method improves a fastness property of a print.10. The printing ink formulation according to claim 9 , comprising:a) at least one of the compound of formula (Ia) and the compound of formula (Ib) b) a polymeric binder,c) optionally an organic solvent,d) optionally at least one colorant,e) optionally at least one further additive andf) optionally at least one photoinitiator.11. The printing ink formulation according to claim 9 , comprising:a) 0.0001 to 25% by weight of the at least one of the compound of formula (Ia) and the compound of formula (Ib),b) 5 to 75% by weight of at least one polymeric binder,c) 0 to 94.9999% by weight of at least one solvent,d) 0 to 25% by weight of at least one colorant, ande) 0 to 25% by weight of at least one further additive,wherein the sum of components a) to e) adds up to 100%.12. A process for manufacturing a security document claim 9 , the process comprising:{'claim-ref': {'@idref': 'CLM-00009', 'claim 9'}, 'printing on a substrate with the printing ink formulation according to .'}14. The security document according to obtained by a printing process wherein a printing ink formulation claim 13 , comprising the at least one of a compound of formula (Ia) and the compound of formula (Ib) claim 13 , is employed.15. The ...

ARTICLES WITH CONFOUNDED EMISSION CHARACTERISTICS AND METHODS AND APPARATUS FOR THEIR AUTHENTICATION

Embodiments include articles, authentication methods and apparatus, and article manufacturing methods. An article includes a substrate with a first luminescent taggant, and an extrinsic feature with a second luminescent taggant, which is positioned proximate a portion of the article surface. The first and second taggants produce emissions in overlapping emission bands as a result of exposure to excitation energy. Above the extrinsic feature, the substrate and extrinsic feature emissions combine in the overlapping emission band to produce “confounded” emissions that are distinguishable from the substrate emissions taken alone. An authentication system determines whether, in a region corresponding to a “substrate-only” region of an authentic article, emissions having first emission characteristics are detected in the overlapping emission band. The system also determines whether, in a region corresponding to an “extrinsic feature” region of an authentic article, the confounded emissions are detected in the overlapping emission band. 1. A method for authenticating an article that includes a substrate , the method comprising the steps of:exposing a surface of the substrate to excitation energy;determining whether, in a first region of the surface, first emissions having first emission characteristics are detected in a first emission band, wherein the first emissions result from the excitation energy, and the first region corresponds to a region at which an extrinsic feature is not present in an authentic article; anddetermining whether, at a second region of the surface, second emissions having second emission characteristics that are different from the first emission characteristics are detected in the first emission band, wherein the second emissions result from the excitation energy, and the second region corresponds to a region at which the extrinsic feature is present in the authentic article.2. The method of claim 1 , further comprising:identifying the article as ...

ELECTROSTATIC PRINTING SYSTEMS

The present disclosure relates to a system for electrostatic printing. The system comprises a UV colorant comprising a rare earth diketonate, a thermoplastic resin and an additive selected from at least one of an acid having a pKa of 1 to 5 and a hydroxide. The system may be used to print a security feature on a print substrate. 1. A system for electrostatic printing , said system comprising:a UV colorant comprising a rare earth diketonate,a thermoplastic resin, andan additive selected from at least one of an acid having a pKa of 1 to 5 and a hydroxide.2. A system as claimed in claim 1 , which is an electrostatic ink composition comprising the UV colorant claim 1 , thermoplastic resin and additive.3. A system as claimed in claim 1 , which is an ink set comprisingan electrostatic ink composition comprising the UV colorant and thermoplastic resin, anda pre-treatment or post-treatment composition comprising the additive.4. A system as claimed in claim 1 , wherein the UV colorant is a lanthanide metal aromatic diketonate.6. A system as claimed in claim 1 , wherein the additive is an acid having a pKa of 1 to 5.7. A system as claimed in claim 6 , wherein the acid is a polyacid.8. A system as claimed in claim 6 , wherein the acid is selected from at least one of glutaric acid claim 6 , adipic acid claim 6 , phthalic acid and polyacrylic acid.9. A system as claimed in claim 6 , wherein the mole ratio of acid to UV colorant is in the range of 2-10 mol/mol.10. A system as claimed in claim 1 , wherein the additive is a lithium hydroxide and the system is an electrostatic ink composition comprising the UV colorant claim 1 , thermoplastic resin and additive.11. A system as claimed in claim 1 , wherein the thermoplastic resin is a copolymer having acidic groups.12. Use of a system as claimed in in a method of printing a security feature on a print substrate.13. A method of electrostatic printing claim 1 , said method comprising:(A) forming a latent electrostatic image on a ...

Method and apparatus for detection of counterfeit and/or reused stamps

A method is disclosed which is performed by at least one first apparatus. In the method, information indicative of at least one characteristic of a franking is obtained. It is determined whether or not the franking is a counterfeit franking and/or a reused franking based on the obtained information or based on the obtained information and based on reference information indicative of at least one characteristic of a franking. The at least one characteristic includes at least one of a physical characteristic of the franking, a visual characteristic of an image provided on the franking, and/or a characteristic based on at least one material of the franking.

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of illumating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. An authentication system , comprising: an object,', 'a substrate, and', 'a taggant formed in an adhesive on the substrate,', 'the adhesive attaching the label to the object;, 'a label includinga detector; anda receiver.2. The authentication system of claim 1 , wherein the taggant is configured to emit a luminescence in response to an excitation signal.3. The authentication system of claim 2 , wherein the taggant is distributed in a shape or pattern within the adhesive.4. The authentication system of claim 1 , wherein the detector is configured to interrogate the taggant with the excitation signal.5. The authentication system of claim 4 , wherein the pattern is detectable and recognizable by the detector.6. The authentication system of claim 4 , wherein the receiver comprises a first receiver and a second reciter claim 4 , wherein the first receiver is configured to capture a first emission pattern from the taggant and the second receiver is configured to capture a second emission pattern of the taggant based upon a first position of the first receiver that is different from a second position of the second receiver with respect to the label.7. The authentication system of claim 6 , wherein the taggant comprises particles arranged both ...

Security element with printing inks that vary upon illumination with electromagnetic radiation in the infrared wavelength range

The invention relates to a security element for application to a surface of a valuable document or at least partial embedding into a substrate of the valuable document, for example a banknote or a passport, wherein the security element consists of a plastics film. According to the invention, at least one printing ink which is transparent in the infrared wavelength range of electromagnetic radiation (referred to hereinafter as IR-transparent printing ink) and has a first reflectance value and at least one printing ink which is absorbent in the infrared wavelength range of electromagnetic radiation (referred to hereinafter as IR-absorbing printing ink) and has a second reflectance value are applied to the plastics film of the security element, the separation between the first and second reflectance values being at least 40%.

METHODS FOR PRINTING TACTILE SECURITY FEATURES

The present invention is related to a process for manufacturing a security feature comprising a tactile pattern, said method comprising the steps of applying on a substrate a radiation-curable basecoat composition by a process selected from the group consisting of inkjet, offset, screen printing, flexo printing and rotogravure; at least partially or fully radiation-curing said radiation-curable basecoat composition so as to obtain a radiation-cured basecoat; applying on the radiation-cured basecoat obtained under step ii) a radiation-curable topcoat composition in a form of indicia by a process selected from the group consisting of screen printing, flexo printing and rotogravure; radiation-curing said radiation-curable topcoat composition so as to form a radiation-cured topcoat, wherein the radiation-curable basecoat composition and/or the radiation-curable topcoat composition comprises one or more machine readable feature substances independently selected from the group consisting of cholesteric liquid crystal pigments, luminescent compounds, infrared-absorbing compounds, magnetic compounds and mixtures thereof, and wherein the radiation-cured basecoat has a surface energy at least 15 mN/m less than the surface energy of the radiation-cured topcoat. The present invention is furthermore related to a corresponding security feature and it use for the protection of a security document against counterfeiting or fraud. 1. A process for manufacturing a security feature comprising a tactile pattern , said method comprising the steps of:i) applying on a substrate a radiation-curable basecoat composition by a process selected from the group consisting of inkjet, offset, screen printing, flexo printing and rotogravure;ii) at least partially or fully radiation-curing said radiation-curable basecoat composition so as to obtain a radiation-cured basecoat;iii) applying on the radiation-cured basecoat obtained under step ii) a radiation-curable topcoat composition in a form of ...

SECURITY ELEMENT, METHOD FOR PRODUCING THE SAME AND VALUE DOCUMENT

A security element for securing value documents comprises a first polymer containing a feature substance, which is at least partially surrounded by a second polymer, wherein the first polymer is a hydrophobic, water-insoluble polymer which, at an elevated pH value and at elevated ambient temperature at a treatment duration of less than 60 minutes can be converted into a hydrophilic, water-soluble polymer. The security elements also contains a second polymer, which is a hydrophilic, water-soluble polymer, wherein the elevated pH value is greater than 12 and the elevated ambient temperature is greater than 90° C. 119.-. (canceled)20. A security element for securing value documents , comprising a first polymer containing a feature substance , which is at least partially surrounded by a second polymer ,wherein the first polymer is a hydrophobic, water-insoluble polymer which, at an elevated pH value and at elevated ambient temperature at a treatment duration of less than 60 minutes, can be converted into a hydrophilic, water-soluble polymer, and the second polymer is a hydrophilic, water-soluble polymer,wherein the elevated pH value is greater than 12, and the elevated ambient temperature is greater than 90° C.21. The security element according to claim 20 , wherein the security element claim 20 , when introduced into a moist paper stock claim 20 , results in a mottling fiber or planchet.22. The security element according to claim 20 , wherein the feature substance has luminescent claim 20 , magnetic or photochromic properties.23. The security element according to claim 20 , wherein the first polymer can be converted into a water-soluble polymer by saponification in a basic medium.24. The security element according to claim 23 , wherein the first polymer is polyvinyl acetate or a polyester and is polyvinyl acetate.2520. The security element according to claim 23 , wherein the second polymer is polyvinyl alcohol or a polyvinyl alcohol copolymer.26. The security element ...

Capsule or cork comprising security features

A capsule placed on a beverage bottle. The capsule includes a capsule material layer and at least two layers of security ink on the capsule material layer. Each of the at least two layers has a different chemical composition. At least one layer of the at least two layers includes a first composition having flakes exhibiting full reflection of light received at a predetermined wavelength.

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of intimating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. A method of making an authenticatable label comprising:applying a printing to a first side of a substrate;applying a taggant to a second side of the substrate, wherein the taggant emits luminescence in response to illumination by an excitation signal;applying an adhesive to the second side of the substrate, wherein following application of the adhesive to the second side of the substrate at least a portion of the taggant migrates into the adhesive; andattaching the substrate to a backing.2. The method of wherein the taggant is applied to the second side of the substrate in a pattern comprising a pre-determined computer readable image claim 1 , which is readable upon excitation of the taggant from an excitation signal.3. The method of wherein the pattern is a barcode.4. The method of claim 2 , wherein the taggant is applied by printing the taggant onto the second side of the substrate.5. The method of wherein applying the taggant to the second side of the substrate comprises applying the taggant together with a substance that dissolves the taggant into the adhesive during contact with the adhesive.6. The method of further comprising receiving an image from a user claim 1 , and wherein applying the taggant to the second side of the ...

Authenticity feature in the form of luminescent substances

A security element has at least two luminescent substances, in which the security element has a first and a second luminescent substance which have a substantially identical, joint emission band. The first or the second luminescent substance, or both luminescent substances, have at least one excitation band that leads to an emission at the joint emission band only in the case of the first or the second luminescent substance.

ANTI-COUNTERFEIT INK COMPOSITION, ANTI-COUNTERFEIT INK, ANTI-COUNTERFEIT PRINTED MATTER, AND METHOD FOR PRODUCING THE ANTI-COUNTERFEIT INK COMPOSITION

There is provided an anti-counterfeit ink composition, an anti-counterfeit ink, and an anti-counterfeit printed matter that transmits a visible light region, having absorption in an infrared region, and capable of judging authenticity of a printed matter, and containing composite tungsten oxide fine particles, the composite tungsten oxide fine particles having a hexagonal crystal structure, having a lattice constant such that a-axis is 7.3850 Å or more and 7.4186 Å or less, and c-axis is 7.5600 Å or more and 7.6240 Å or less, and having a particle size of the near-infrared absorbing material fine particles is 100 nm or less, and a method for producing the anti-counterfeit ink composition, the anti-counterfeit ink, the anti-counterfeit printed matter, and the anti-counterfeit ink composition. 1. An anti-counterfeit ink composition containing composite tungsten oxide fine particles , wherein a lattice constant of the composite tungsten oxide fine particles is such that a-axis is 7.3850 Å or more and 7.4186 Å or less , and c-axis is 7.5600 Å or more and 7.6240 Å or less.2. The anti-counterfeit ink composition according to claim 1 , wherein the lattice constant of the composite tungsten oxide fine particles is such that the a-axis is 7.431 Å or more and 7.4111 Å or less claim 1 , and the c-axis is 7.5891 Å or more and 7.6240 Å or less.3. The anti-counterfeit ink composition according to claim 1 , wherein the composite tungsten oxide fine particles are composite tungsten oxide having a hexagonal crystal structure expressed by MxWyOz (wherein M is an element of one or more kinds selected from H claim 1 , He claim 1 , alkali metal claim 1 , alkaline earth metal claim 1 , rare earth elements claim 1 , Mg claim 1 , Zr claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Ru claim 1 , Co claim 1 , Rh claim 1 , Ir claim 1 , Ni claim 1 , Pd claim 1 , Pt claim 1 , Cu claim 1 , Ag claim 1 , Au claim 1 , Zn claim 1 , Cd claim 1 , Al claim 1 , Ga claim 1 , In claim 1 , Tl claim 1 , Si ...

SECURITY ELEMENT

A security transfer element includes a security element layer composite with a functional layer arranged to develop an optically variable effect for a viewer. On the opposite side of the functional layer with respect to the viewer, the security element layer composite has at least one luminescent substance. The luminescent substance has a primary emission wavelength and can be excited by an excitation radiation. The functional layer is configured to be opaque to the emission radiation of the luminescent substance. The security transfer element comprises a carrier film, and the security element layer composite is arranged on the carrier film in a detachable manner. The security element layer composite comprises a functional layer and an adhesive layer. The functional layer has an embossing lacquer with an embossed structure. The embossing lacquer is coated with a metallization. The adhesive layer comprises several luminescent substances. 132.-. (canceled)3432. The security transfer element according to claim , wherein the emission radiation of the luminescent substance of the security element layer composite lies in a wavelength range between 900 nm and 1300 nm , and/or 1300 nm and 1600 nm , and/or 1600 nm and 1850 nm and/or 1850 and 2100 nm.35. The security transfer element according to claim 33 , wherein the luminescent substance of the security element layer composite does not have any additional anti-Stokes emission that can be visually recognized by humans.36. The security transfer element according to claim 33 , wherein the luminescent substance of the security element layer composite comprises organic dyes claim 33 , organometallic complexes with in erbium claim 33 , thulium claim 33 , holmium claim 33 , neodymium or ytterbium claim 33 , and/or doped inorganic pigments with the dopants erbium claim 33 , thulium claim 33 , holmium claim 33 , neodymium or ytterbium or doped with transition metals including chromium claim 33 , manganese and/or iron.37. The ...

Table game management system, game token, and inspection apparatus

A table game management system according to the present invention includes a camera that images a game token placed on a game table, and a management control device that grasps a type of the game token placed on the game table based on a color of a side face of the game token imaged by the camera.

TRANSACTION CARD

The present invention relates to a process for producing an opaque, transparent or translucent transaction card having multiple features, such as a holographic foil, integrated circuit chip, silver magnetic stripe with text on the magnetic stripe, opacity gradient, an invisible optically recognizable compound, a translucent signature field such that the signature on back of the card is visible from the front of the card and an active thru date on the front of the card. The invisible optically recognizable compound is preferably an infrared ink comprising an infrared phthalocyanine dye, an infrared phosphor, and a quantum dot energy transfer compound. The infrared ink can be detected by a sensor found in an ATM or card assembly line. 120-. (canceled)21. A transaction card , comprising:a plurality of printable substrate layers;wherein at least one of the printable substrate layers comprises an infrared blocking material; andwherein the printable substrate layers are laminated together.22. The transaction card of claim 21 , wherein at least one of the printable substrate layers comprises a plastic polymeric substrate.23. The transaction card of claim 21 , wherein at least one of the printable substrate layers comprises polyvinyl chloride (PVC).24. The transaction card of claim 21 , wherein the printable substrate layers are transmissive to visible light.25. The transaction card of claim 21 , wherein the infrared blocking material comprises a mixture of a phosphor compound and a quantum dot compound.26. The transaction card of claim 21 , wherein the infrared blocking material comprises a mixture of a rare earth oxide compound and a quantum dot compound.27. The transaction card of claim 21 , wherein the infrared blocking material comprises an IR-absorbing compound.28. The transaction card of claim 21 , wherein the infrared blocking material comprises a mixture of two or more of the following: a rare earth oxide compound claim 21 , a quantum dot compound claim 21 , a ...

VERIFIABLE CHECK AND SECURITY DOCUMENT SYSTEM

A secured document with a security architecture having a plurality of security elements for authentication, wherein at least one security element is printed indicia that is magnetizable and not visible within a visible spectrum. Verifiable document security systems including a validation center that performs a verification cycle to verify transaction data between an issuer and a recipient and generates a security architecture having a plurality of security elements for printing on a document, wherein the verification cycle is performed before and after printing a document with the security elements; and a printer with an ink suite communicatively coupled to the validation center and configured to print the security architecture on the document. 1. A secured document comprising a security architecture having a plurality of security elements for authentication , wherein at least one security element is printed indicia that is magnetizable and not visible within a visible spectrum.2. The secured document according to in a form of a check.3. The secured document according to claim 2 , wherein the printed indica is selected from the group consisting of a check number claim 2 , a check amount claim 2 , a check issue date claim 2 , a check issuer name claim 2 , a bank routing number claim 2 , and a bank account number.4. The secured document according to claim 3 , further comprising charged particles printed in regions of the document that lack the printed indicia to mask positioning of the indicia.5. The secured document according to claim 1 , wherein the at least one security element is printed in a non-linear configuration.6. The secured document according to claim 1 , wherein the printed indicia is ink jet printed.7. The secured document according to claim 1 , wherein the indicia is printed with a print media that is a transparent fluid.8. The secured document according to claim 1 , further comprising an additional security element as additional indicia printed with a ...

Laminates, identification documents, and methods for verifying identification documents

A laminate includes: a first laminate member; a second laminate member; and a hidden print formed by printing invisible ink between the first laminate member and the second laminate member. The hidden print is configured to absorb electromagnetic radiation outside the visible range. When irradiated with electromagnetic radiation outside a visible range that has passed through at least one of the first laminate member and the second laminate member, the hidden print absorbs the electromagnetic radiation to thereby show a sign, and, when irradiated with visible light, the hidden print does not show the sign.

SECURITY INLAY FOR AN IDENTITY DOCUMENT AND METHOD FOR PRODUCING A SECURITY INLAY FOR AN IDENTITY DOCUMENT

A security inlay having optically recognizable characters for an identity document comprises a first transparent layer and a second transparent layer. The first and second transparent layers are connected to one another. A first portion of the optically recognizable characters is formed by blackened sections in at least one of the layers. A second portion of the optically recognizable characters is formed by the color coating. The first and second portions are arranged and configured to reflect visible light. Infrared light is reflected by the first portion of the optical characters. During irradiation with visible light, the security inlay thus shows first graphical information formed jointly by the first portion of the optically recognizable characters and the second portion of the optically recognizable characters. Under irradiation with infrared light, the security inlay shows second graphical information formed by the first portion of the optical characters. 2. The security inlay for an identity document as claimed in claim 1 , whereinthe color coating comprises different color components from cyan, magenta and yellow.3. The security inlay for an identity document as claimed in claim 1 , whereinat least one of the first and second transparent layers is to be blackened by the action of at least one beam of laser light.4. The security inlay for an identity document as claimed in claim 1 , whereinthe blackened sections in at least one of the first and second transparent layers have omissions, whereinthe omissions are in particular in the form of letters which are surrounded by the blackened sections.5. The security inlay for an identity document as claimed in claim 1 , further comprising:a transparent cover layer, and/oran insert which comprises at least a first opaque insert layer, and/ora third transparent layer which is to be blackened by laser light, and/ora fourth transparent layer which is to be blackened by laser light, and/ora first background color ...

Printed matter, printed matter inspection device, manufacturing method of printed matter, and manufacturing device of printed matter

A printed matter includes: a first sub image embedded in the main image which has the same color as a color of the main image in a human visual sense, and is printed with an ink to absorb light of an infrared wavelength band by a first absorption coefficient; and a second sub image embedded in the main image which has the same color as the color of the main image in a human visual sense, and is printed with an ink to absorb the light of the infrared wavelength band by a second absorption coefficient.

Value Document and Method for Checking the Presence of the Same

The invention concerns a value document comprising particulate agglomerates respectively containing at least two different homogeneous phases, wherein the first homogeneous phase is based on a luminescent substance emitting at a certain emission wavelength and the second homogeneous phase is based on a non-luminescent substance detectable by a spectroscopic method, and wherein upon an evaluation of measurement values that are obtainable by a location-specific measurement, carried out at different locations of the value document, of the luminescence intensity at the certain emission wavelength and the intensity of the measurement signal of the spectroscopic method, there is a statistical correlation between the luminescence intensity at the certain emission wavelength and the intensity of the measurement signal of the certain spectroscopic method. 113-. (canceled)14. A value document comprising particulate agglomerates respectively containing at least two different homogeneous phases , wherein the first homogeneous phase is based on a luminescent substance emitting at a certain emission wavelength and the second homogeneous phase is based on a non-luminescent substance detectable by a spectroscopic method , and wherein upon an evaluation of measurement values that are obtainable by a location-specific measurement , carried out at different locations of the value document , of the luminescence intensity at the certain emission wavelength and the intensity of the measurement signal of the spectroscopic method , there is a statistical correlation between the luminescence intensity at the certain emission wavelength and the intensity of the measurement signal of the spectroscopic method.15. The value document according to claim 14 , wherein the exciting electromagnetic radiation of the spectroscopic method is radio-wave claim 14 , microwave claim 14 , terahertz or infrared radiation.16. The value document according to claim 14 , wherein the agglomerates are chosen from ...

Security Element

The invention relates to a security element ( 1 ). The security element ( 1 ) has a viewing side and a back side that is opposite the latter. The security element comprises at least one luminous layer ( 2 ) that can provide light ( 20 ), and at least one mask layer ( 4 ) that, when the security element ( 1 ) is viewed from the viewing side, is arranged in front of the at least one luminous layer ( 2 ). The at least one mask layer ( 4 ) has at least one opaque region ( 5 ) and at least two transparent openings ( 41, 42 ). The at least two transparent openings ( 41, 42 ) has a substantially higher transmittance than the at least one opaque region ( 5 ) in respect of light ( 20 ) provided by the at least one luminous layer ( 2 ), preferably a transmittance that is at least 20% higher, particularly preferably a transmittance that is at least 50% higher.

METHOD FOR PRODUCING A SECURITY ELEMENT HAVING TWO SECURITY FEATURES AND USE OF THE METHOD

To simplify the production of a security element with a first security feature and a second security feature the following method is proposed: (a) Provision of a light-sensitive film which comprises at least one carrier layer and in surface-to-surface contact with this a light-sensitive function layer (b) Exposure of the light-sensitive film at least area by area, with the formation of a pattern in the light-sensitive function layer wherein the security element () is formed with a first security feature (); (b′) Optional fixing of the exposed light-sensitive film; and (c) Printing of the carrier layer and, as appropriate, of the protective layer wherein a second security feature is produced. 1. A method for producing a security element , comprising the following method steps:(a) providing a light-sensitive film, at least comprising at least one carrier layer and, in surface-to-surface contact with this, a light-sensitive function layer; and(b) exposing the light-sensitive film at least region by region with the formation of a pattern in the light-sensitive function layer, wherein the security element is formed with a first security feature;characterized in that the method additionally comprises the following method step:(c) printing on the carrier layers, wherein a second security feature is produced.2. The method according to claim 1 , wherein claim 1 , after method step (b) claim 1 , a protective layer is applied on the side of the light-sensitive function layer which is opposite the carrier layer.3. The method according to claim 1 , wherein the method additionally comprises the following method step: (b′) fixing of the exposed light-sensitive film claim 1 , which is performed between the method steps (b) and (c).4. The method according to claim 1 , wherein the method additionally comprises the following method step: (b′) fixing the light-sensitive film claim 1 , which is performed after the method steps (b) and (c).5. The method according to claim 1 , wherein the ...

TABLE GAME MANAGEMENT SYSTEM, SUBSTITUTE CURRENCY FOR GAMING, AND INSPECTION DEVICE

Since a game token (chip) on a game table has a complicated design, it is difficult for an image analysis technology to judge whether a dealer correctly redeems chips corresponding to betted chips at the time of redemption and there has been a problem that mistake prevention is not sufficient. 1. A table game management system comprising:a camera that images a game token placed on a game table; anda management control device that grasps a type of the game token placed on the game table based on a color of a side face of the game token imaged by the camera.2. The table game management system according to claim 1 , whereina pattern made up of a first color different according to a type of the game token and a second color not depending on the type of the game token are formed on the side face of the game token, andthe management control device grasps the type of the game token based on the first color.3. The table game management system according to claim 2 , wherein the first color is continuous in a circumferential direction.4. The table game management system according to claim 2 , wherein the second color is continuous in a circumferential direction.5. The table game management system according to claim 1 , wherein the side face of the game token has a portion whose color changes in a thickness direction.6. The table game management system according to claim 1 , whereina striped pattern made up of a layer characterized by a first color different according to a type of the game token and a layer characterized by a second color not depending on the type of the game token are formed on the side face of the game token, andthe management control device is equipped with a function of measuring the number of the layers characterized by the first color or the layers characterized by the second color of the game token and judging the number of the gaming substitute currencies.7. The table game management system according to claim 1 , whereinthe game table is equipped with ...

Security inlay having a uv coating for an identity document and method for producing a security inlay having a uv coating for an identity document

A security inlay having optically recognizable characters for an identity document comprises a first transparent layer and a second transparent layer. A color coating is situated on the first transparent layer. Furthermore, a first UV color coating, which reflects at least UV light at least in a first wavelength range, is situated on the first layer and/or on the color coating. The first and second transparent layers are connected to one another. A first portion of the optically recognizable characters is formed by blackened sections in at least one of the layers. A second portion of the optically recognizable characters is formed by the color coating. A third portion of the optically recognizable characters is formed by the UV color coating. The first and the second portions of the optically recognizable characters reflect visible light. The third portion of the optically recognizable characters reflects UV light.

FORGERY PREVENTION STRUCTURE, FORGERY PREVENTION MEDIUM, AND METHOD FOR INSPECTING FORGERY PREVENTION STRUCTURE

In order to perform high-accuracy authentication of a forgery prevention medium having a forgery prevention structure, the forgery prevention structure provided in or on the medium for performing authentication of the medium is formed so as to include a mixed area with a plurality of kinds of resonator structures each of which resonates with a terahertz electromagnetic wave having a different polarization direction. 1. A forgery prevention structure for authenticating a medium , the forgery prevention structure comprising:the medium; anda plurality of kinds of resonator structures disposed in or on a mixed area of the medium, wherein a first kind of resonator structure resonates in response to being exposed to a first terahertz electromagnetic wave having a first polarization direction, and a second kind of resonator structure resonates in response to being exposed to a second terahertz electromagnetic wave having a second polarization direction, the first polarization direction being different than the second polarization direction.2. The forgery prevention structure according to claim 1 , wherein the first terahertz electromagnetic wave and the second terahertz electromagnetic wave having a same frequency.3. The forgery prevention structure according to claim 1 , wherein an arrangement of the plurality of kinds of resonator structures in the mixed area includes multiple instances of a basic pattern claim 1 , the basic pattern being a combination of the plurality of kinds of resonator structures in a predetermined arrangement.4. The forgery prevention structure according to claim 1 , wherein a transmissivity of an inspection terahertz electromagnetic wave having a predetermined frequency and a predetermined polarization direction in the mixed area indicates a constant value based on a ratio of each of the plurality of kinds of resonator structures.5. The forgery prevention structure according to claim 1 , wherein the first polarization direction being different ...

Security Documents and Security Devices Comprising Infrared-Absorbent Compositions

The invention provides a security document having a transparent window, the security document comprising: a transparent polymeric substrate; an infrared-absorbent composition coated on or incorporated within the substrate at the window, the infrared-absorbent composition comprising particles of doped or Magnéli phase tungsten oxide. 1. A security document having a transparent window , the security document comprising:a polymeric substrate; andan infrared-absorbent composition coated on or incorporated within the substrate at the window, the infrared-absorbent composition comprising particles of doped or Magnéli phase tungsten oxide.2. The security document of claim 1 , wherein the particles of doped or Magnéli phase tungsten oxide are present at a loading of between about 0.12 g/mand about 1.2 g/m claim 1 , preferably between about 0.5 g/mand about 0.75 g/m.3. The security document of claim 1 , wherein the particles of doped or Magnéli phase tungsten oxide are present at a loading sufficient to absorb at least 20% of an intensity of at least one wavelength of infrared radiation claim 1 , preferably near infrared radiation claim 1 , when light comprising the infrared radiation is transmitted through the window.4. The security document of claim 1 , wherein the window is an edge window claim 1 , preferably an edge-to-edge window.5. The security document of claim 1 , wherein the infrared-absorbent composition is coated on the window in a transparent coating.6. The security document of claim 5 , wherein the coating entirely covers the window on at least one side.7. The security document of claim 5 , wherein the coating further comprises metal oxide nanoparticles at a loading sufficiently high to provide a contrast between a refractive index of the coating and a refractive index of the substrate or any surface relief layer thereon.8. The security document of claim 7 , wherein the coating fills three-dimensionally structured formations of a surface relief layer on the ...

MACHINE-READABLE OPTICAL SECURITY DEVICE

An IR and/or UV machine-readable optical security device (e.g., micro-optic security thread) that is made up of at least one IR-absorbing component with a characteristic IR signature detectable at two or more IR-wavelengths, at least one UV-absorbing component with a characteristic UV signature detectable at two or more UV-wavelengths, at least one IR-absorbing component that absorbs IR light and emits light at a different invisible wavelength, at least one UV-absorbing component that absorbs UV light and emits light at a different invisible wavelength, or a combination thereof, is provided. The IR and UV machine-readable features do not interfere with the optical effects projected by the optical material. 1. A machine-readable optical security device (MrOSD) comprisingan optical security device (OSD); anda machine-readable component (Mr-component) coupled to the OSD and imparting a characteristic machine-readable signature (Mr-signature) to the OSD;wherein the Mr-signature displays at least one machine-readable signal (Mr-signal) within the invisible spectral range;wherein the OSD is transparent or translucent; andwherein the Mr-signature is readable, through the OSD, by a signature detector.2. The MrOSD of claim 1 , wherein the Mr-component is least one of an IR component or a UV-component.3. The MrOSD of claim 1 , wherein the Mr-component is at least one of (i) a first IR-component imparting an Mr-signature which includes at least two Mr-signals within the IR spectral range; (ii) a first UV-component imparting an Mr-signature which includes at least two Mr-signals within the UV spectral range; (iii) a second IR-component that absorbs IR-light of a first wavelength and emits light at a second different wavelength; and (iv) a second UV-component that absorbs UV-light at a first wavelength and emits light at a second and different wavelength.4. The MrOSD of claim 1 , wherein the Mr-signature includes at least two Mr-signals within the invisible spectral range.5. The ...

SECURITY PRINTING

An article comprising a substrate which carries a doped tin oxide wherein less than 50 mol % of the tin atoms in the tin oxide are substituted with a dopant element. 1. An article comprising a substrate which carries a doped tin oxide wherein less than 50 mol % of the tin atoms in the tin oxide are substituted with a dopant element.2. An article according to which is a banknote.3. An article according to wherein the tin oxide is doped with one or more elements selected from antimony claim 1 , tungsten claim 1 , fluorine and phosphorus.4. An ink composition comprising a doped tin oxide wherein less than 50% of the tin atoms in the tin oxide are substituted with a dopant atom.5. A method of manufacturing an article according to claim 1 , the method comprising incorporating a doped tin oxide into or onto the substrate.6. A method according to which comprises applying an ink composition comprising doped tin oxide onto a surface of the substrate.7. An article according to wherein the difference in colour (dE) between the substrate with and without the doped tin oxide is less than 2.8. An article according to wherein the locus of the article which carries the doped tin oxide exhibits non-uniform absorption of radiation in the infra-red range.9. A method of manufacturing an article according to wherein the locus which carries the doped tin oxide absorbs infra-red radiation at a first wavelength claim 8 , λand absorbs infra-red radiation at a second wavelength λwherein the absorbance at λis different to the absorbance at λ.10. A method comprising: forming a covert security image or a hidden coating on a banknote using a tin oxide claim 8 , wherein less than 50% of tin atoms in the tin oxide are substituted with a dopant element.11. A method of detecting a genuine article of claim 1 , the method comprising measuring at a locus on the article the absorption A claim 1 , of radiation at a first wavelength λ claim 1 , and the absorption A2 of radiation at a second wavelength λ ...

COLOR LASER MARKING

A method for preparing a color laser marked article using three infrared lasers L-1, L-2 and L-3 having respectively a laser emission wavelength of λ(L-1), λ(L-2) and λ(L-3) includes the steps of laser marking with the infrared laser L-1 a first color laser markable layer including an infrared dye IR-1 having an absorption maximum in the infrared region λ(IR-1); laser marking with the infrared laser L-2 a second color laser markable layer including an infrared dye IR-2 having an absorption maximum in the infrared region λ(IR-2); laser marking with the infrared laser L-3 a third color laser markable layer including an infrared dye IR-3 having an absorption maximum in the infrared region λ(IR-3); and at least partially exposing the color laser markable article to light having a wavelength between 520 nm and 700 nm, wherein, the laser emission wavelengths satisfy the condition of: λ(L-1)>λ(L-2)>λ(L-3); the infrared red dye absorption maxima satisfy the condition of: λ(IR-1)>λ(IR-2)>λ(IR-3); and the light emitted by the infrared laser L-1 passes, in order, through the third and second color laser markable layer before exposing the first color laser markable layer. 115-. (canceled)16. A method for preparing a color laser marked article using three infrared lasers L-1 , L-2 , and L-3 having respectively a laser emission wavelength of λ(L-1) , λ(L-2) , and λ(L-3) , the method comprising the steps of:{'sub': 'max', 'laser marking with the infrared laser L-1 a first color laser markable layer including an infrared dye IR-1 having an absorption maximum λ(IR-1) in the infrared region;'}{'sub': 'max', 'laser marking with the infrared laser L-2 a second color laser markable layer including an infrared dye IR-2 having an absorption maximum λ(IR-2) in the infrared region;'}{'sub': 'max', 'laser marking with the infrared laser L-3 a third color laser markable layer including an infrared dye IR-3 having an absorption maximum λ(IR-3) in the infrared region; and'}at least partially ...

MIRRORED FLUORESCENT SECURITY FEATURE

A credential with one or more security features is disclosed. The disclosed credential includes a windowed security feature. The windowed security feature is taught to include a mirror element positioned in proximity with a transparent window and a first photo-luminescent feature positioned relative to the transparent window and the mirror element such that the mirror element enhances a luminescence of the first photo-luminescent feature when viewed and illuminated through the transparent window. 114-. (canceled)15. A secure document comprising:a first clear layer;an opaque layer beneath the first clear layer and having an opening formed therein;a second clear layer beneath the opaque layer and having a first photo-luminescent feature on a first surface thereof;a third clear layer beneath the second clear layer and having a second photo-luminescent feature on a first surface thereof; anda mirror element between the second and third clear layers;wherein at least a portion of the first photo-luminescent feature and at least a portion of the second photo-luminescent feature are aligned with the opening in the opaque layer.16. The secure document of claim 15 , wherein at least portions of the opening in the opaque layer claim 15 , the first photo-luminescent feature claim 15 , the mirror element claim 15 , and the second photo-luminescent feature are aligned.17. The secure document of claim 15 , wherein the first photo-luminescent feature and second photo-luminescent feature comprise at least one of an ultraviolet ink or an infrared ink.18. The secure document of claim 17 , further comprising a layer between the second and third clear layers.19. The secure document of claim 18 , wherein the mirror element is provided on a surface of the layer between the second and third clear layers.20. The secure document of claim 19 , wherein at least portions of the opening in the opaque layer claim 19 , the first photo-luminescent feature claim 19 , the mirror element claim 19 , ...

SECURITY ELEMENT FOR A SECURITY DOCUMENT AND PROCESS FOR THE PRODUCTION THEREOF

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. 122-. (canceled)23. A process for the production of a security element , the process comprising the following steps:a) providing a transparent first replication layer;b) forming a diffraction master relief structure on a first surface of the first replication layer;c) forming a region-wise first reflection layer and at least one region-wise first opaque auxiliary layer, on the first surface;d) forming a structure layer which is transparent in at least region-wise fashion by a second replication layer which is arranged on the first reflection layer and the at least one first opaque auxiliary layer and regions which are free therefrom of the first surface;e) forming a diffractive second relief structure on a second side of the structure layer; andf) forming a region-wise second reflection layer on the second side of the structure layer in a layer thickness, with which the second relief structure is shaped on the side, remote from the structure layer, of the second reflection layer.24. A process according to claim 23 , wherein the first reflection layer and/or the second reflection layer is/are opaque.25. A process according ...

Infrared dyes for laser marking

Infrared dyes soluble in methylene chloride have an infrared absorption maximum above 1100 nm and minor discolouration in the visual spectrum. The infrared dyes are especially useful for producing multicolour laser marked security documents having reduced background discoloration and enhanced colour gamut.

PROCESS FOR THE PRODUCTION OF STRONGLY ADHERENT LIQUID CRYSTAL FILMS ON FLEXIBLE SUBSTRATES

A process for producing strongly adherent liquid crystal films on flexible substrates, security elements, obtainable by the process and security documents, including the security elements, may involve coating a flexible substrate first with a primer layer and then with a liquid crystal film the adherence of the liquid crystal film to the substrate is improved while keeping the optical performance of the liquid crystal film in an acceptable range. 1. A process for producing an adherent liquid crystal films on a flexible substrate , the process comprising(a) optionally, exposing the flexible substrate to a corona discharge or a plasma discharge treatment;(b) applying on the substrate a primer composition comprising (b1) a polyurethane (A) comprising, in reacted form, (b1a) an organic polyisocyanate having a functionality of at least 2, (b1b) a compound comprising an isocyanate-reactive group and a radically polymerizable unsaturated group, (b1c) a photoinitiator comprising an isocyanate-reactive group, (b2) a polyfunctional polymerizable compound (B), and (b3) a solvent;(c) evaporating the solvent with IR-radiation and/or thermal drying, to obtain an uncured primer layer;(d) curing the uncured primer layer with UV/VIS radiation or an electron beam, to obtain a primered substrate;(e) optionally, exposing the primered substrate to a corona discharge or a plasma discharge treatment;(f) applying a liquid crystal composition onto a primer coating of the primered substrate; the primer coating,(g) evaporating the solvent by applying IR-radiation and/or thermal drying, to obtain a liquid crystal film; and(h) curing the liquid crystal film with UV/VIS radiation or electron beam.2. The process of claim 1 , wherein the flexible substrate is a biaxially oriented polyethylene terephthalate film or a biaxially oriented polypropylene film.3. The process of claim 1 , wherein the primer composition is applied by slot die-coating claim 1 , knive-coating claim 1 , reverse roll-coating ...

Security feature with a color progression structure for a value product and/or security product, and value product and/or security document having the security feature

A novel security feature for a valuable and/or security product is formed by a pattern that is formed on at least one carrier surface and has a color progression structure that is formed with a digital printing method from pattern elements arranged in a grid. The color progression structure is produced with at least two luminescence media that exhibit spectrally different luminescences. The valuable and/or security product according to the invention has one or more product carriers and at least one security feature that is arranged on or in the product carrier or carriers.

LUMINESCENT MEDIUM AND METHOD FOR READING LUMINESCENT MEDIUM

There is provided a luminescent medium which requires difficult analysis of light emitted from a luminescent material of the medium. A luminescent medium includes a substrate , and a luminescent material comprising a first luminescent material A which, when irradiated with visible light, infrared light or ultraviolet light, emits first infrared light “a”, and a second luminescent material B which, when irradiated with visible light, infrared light or ultraviolet light, emits second infrared light “b”. The first luminescent material A is formed in a first planar area A, and the second luminescent material B is formed in a second planar area B. The first planar area A and the second planar area B overlap each other, forming an overlapping planar area C in which the luminescent materials A and B each have a concentration gradation. 1. A luminescent medium comprising:a substrate; anda luminescent material provided on the substrate, wherein the luminescent material comprises a first luminescent material which, when irradiated with visible light, infrared light or ultraviolet light, emits first infrared light having a first wavelength range, and a second luminescent material which, when irradiated with visible light, infrared light or ultraviolet light, emits second infrared light having a second wavelength range, wherein the first wavelength range of the first infrared light from the first luminescent material differs from the second wavelength range of the second infrared light from the second luminescent material, and the first luminescent material is disposed in a first planar area on the substrate, and the second luminescent material is disposed in a second planar area on the substrate, and wherein the first planar area and the second planar area overlap each other, forming an overlapping planar area of the luminescent material comprising the first luminescent material and the second luminescent material, and the concentration of the first luminescent material in the ...

MIRRORED FLUORESCENT SECURITY FEATURE

A credential with one or more security features is disclosed. The disclosed credential includes a windowed security feature. The windowed security feature is taught to include a mirror element positioned in proximity with a transparent window and a first photo-luminescent feature positioned relative to the transparent window and the mirror element such that the mirror element enhances a luminescence of the first photo-luminescent feature when viewed and illuminated through the transparent window. 114-. (canceled)15. A secure document comprising:a first clear layer;a first opaque layer beneath the first clear layer and having an opening formed therein;a second clear layer beneath the first opaque layer and having a first photo-luminescent feature on a first surface thereof;a third clear layer beneath the second clear layer and having a second photo-luminescent feature on a first surface thereof;a second opaque layer beneath the third clear layer and having an opening formed therein;a fourth clear layer beneath the second opaque layer; anda mirror element between the second and third clear layers;wherein at least a portion of the first photo-luminescent feature is aligned with the opening in the first opaque layer and at least a portion of the second photo-luminescent feature is aligned with the opening in the second opaque layer.16. The secure document of claim 15 , wherein at least portions of the opening in the first opaque layer claim 15 , the first photo-luminescent feature claim 15 , the mirror element claim 15 , the second photo-luminescent feature claim 15 , and the opening in the second opaque layer are aligned.17. The secure document of claim 15 , wherein the first photo-luminescent feature and second photo-luminescent features comprise at least one of an ultraviolet ink or an infrared ink.18. The secure document of claim 17 , further comprising a layer between the second and third clear layers.19. The secure document of claim 18 , wherein the mirror element ...

TABLE GAME MANAGEMENT SYSTEM, GAME TOKEN, AND INSPECTION APPARATUS

A table game management system according to the present invention includes: a camera that images a game token placed on a game table; and a management control device that grasps a type (10 points, 20 points, 100 points, 1,000 points, or the like) of the game token placed on the game table based on a color of a side face of the game token imaged by the camera. 123-. (canceled)24. A game token of a set of game tokens associated with multiple values , the game token comprising:a first color portion that extends in a circumferential direction of a side face of the game token, a first color of the first color portion is unique to a value of the game token; anda second color portion that extends in the circumferential direction of the side face, a second color of the second color portion is independent of the value of the game token and is commonly used for multiple values of the set of game tokens.25. The game token according to claim 24 , further comprising:a third color portion on the side face; andwherein the first color potion is distinct from the second color portion; andwherein the first color portion and the second color portion are on or visible via the side face.26. The game token according to claim 24 , comprising a radio frequency identification (RFID) embedded therein.27. The game token according to claim 24 , further comprising a mark for authenticating the game token.28. The game token according to claim 24 , wherein the mark is invisible under natural light and visible when irradiated with ultraviolet light or infrared light.29. The game token according to claim 24 , wherein the first color portion and the second color portion are aligned on the side face in an axial direction of the game token.30. The game token according to claim 24 , wherein the side face includes a striped pattern on the side face claim 24 , the stripped pattern including the first color portion and second color portion.31. The game token according to claim 30 , wherein the side face ...

SECURITY DOCUMENT AND METHOD FOR THE AUTHENTICATION THEREOF

A security document with a first security element, which includes a first item of visually recognizable and in particular machine-readable information, and a second security element, which includes a second item of in particular machine-readable information which can be used to verify the first item of information. A method for the authentication thereof is also described. 1. A security document with a first security element , which comprises a first item of visually recognizable and machine-readable information , and a second security element , which comprises a second item of machine-readable information which can be used to verify the first item of information ,wherein the first and/or the second security element, individually or in combination, comprises an optically variable element, andwherein the optically variable element adjoins the second item of information and/or a further item of information and overlaps the first item of information at least in areas, and/or wherein the optically variable element adjoins the first item of information and overlaps the second item of information at least in areas.2. The security document according to claim 1 , wherein the first item of information comprises personalized data relating to a holder of the security document and/or an object associated with the security document.3. The security document according to claim 1 , wherein the first security element comprises a printed or laser-engraved inscription and/or a photograph and/or a machine-readable zone (MRZ) of an identity document and/or an RFID chip.4. The security document according to claim 1 , wherein the second security element is formed as a one- or two-dimensional barcode.5. The security document according to claim 1 , wherein the second item of information comprises a key or a part of a key for decoding the first item of information.6. The security document according to claim 1 , wherein the second item of information comprises a checksum for the first item of ...

METHOD FOR PRODUCING A DATA CARRIER AND DATA CARRIER PRODUCED THEREFROM

The present invention relates generally to a data carrier comprising an opaque layer and a method for making the data carrier. During personalization phase, the ablation of the opaque layer by laser through the data carrier allows to define a see-through portion of the data carrier carrying opaque security, said see-through portion having an improved security corresponding to opaque embossing pattern overlapping at least partially the opaque security partially destroyed. Said defined see-through portion carrying opaque security partially destroyed with opaque embossing pattern on its surface is even more difficult to reproduce by forger, even more difficult to remove, replace or exchange and easy to check. 1. A method of producing a data carrier , wherein the data carrier comprises an opaque layer portion applied into two layers of a body of the data carrier and a beam-modifying portion applied onto a surface of the body of the data carrier , said beam-modifying portion being positioned at least partially overlapping the opaque layer portion , said beam-modifying portion having an optical property capable of modifying a laser beam , the method comprising:the opaque layer is selected so thin that an irradiation by the laser beam results on a local destruction of said opaque layer,irradiating the laser beam to the opaque layer portion through the surface of the data carrier of partially destroying the opaque layer in such a way that it creates an opaque personalized data,irradiating the laser beam to the opaque layer portion through the beam-modifying portion to allow the modifying of the laser beam according to the optical property to produce a resultant laser beam that locally destroy said opaque layer portion, in such a way that it creates an opaque pattern with a visual impression of an opaque embossed structures corresponding to the result of the irradiation of the beam-modifying portion.2. The method according to claim 1 , wherein the data carrier is a ...

Transfer Film and Method for Producing a Transfer Film

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.

METHOD AND SYSTEM FOR ITEM AUTHENTICATION AND CUSTOMIZATION

A method of illumating an item is disclosed. The method includes applying adhesive to the item, interspersing a taggant in the adhesive, illuminating the item with an excitation signal, sensing luminescence emitted by the taggant in response to illumination by the excitation signal, and determining the authenticity of the item based on the sensed emitted luminescence. The item can include any item benefited by authentication, and can include a postage stamp. A method of customizing an item is disclosed. This can include the steps of preparing a substrate, applying a security feature to the substrate, printing non-customized information on the substrate, receiving image information, and printing the image information on the substrate. 1. An authenticatable label , comprising: a substrate having a first side and a second side opposite the first side;', 'a printing on the first side of a substrate;', 'an adhesive on the second side of the substrate; and, 'a label comprisinga backing having a first side, a taggant on the first side of the backing;wherein the taggant emits luminescence in response to illumination by an excitation signal,wherein the first side of the backing contacts the label such that the taggant is combined with the adhesive such that at least a portion of the taggant migrates into the adhesive, andwherein the label is configured to be removed from the backing.2. The authenticatable label of claim 1 , wherein the taggant is configured to be carried off with the adhesive when the label is removed.3. The authenticatable label of claim 1 , wherein the taggant is arranged to form a pattern or image.4. The authenticatable label of claim 3 , wherein the pattern or image comprises a computer readable code.5. The authenticatable label of claim 4 , wherein the computer readable code is a barcode.6. The authenticatable label of claim 3 , wherein the image comprises one of a logo claim 3 , a motto claim 3 , and a trademark.7. The authenticatable label of claim 1 ...

NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID AND METHOD FOR PRODUCING THE SAME, ANTI-COUNTERFEIT INK COMPOSITION USING NEAR INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID, AND ANTI-COUNTERFEIT PRINTED MATTER USING NEAR INFRARED ABSORBING FINE PARTICLES

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa, and a dispersant soluble in the solvent and having a fatty acid in its structure, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. 1. An anti-counterfeit ink composition for offset printing containing a near infrared absorbing fine particle dispersion liquid , wherein a solvent of one or more kinds selected from petroleum-based solvents having an aromatic hydrocarbon content of 5% by weight or less;', 'near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0≤a≤6.2); and', 'a dispersant soluble in the solvent and having a fatty acid in its structure, and, 'the near infrared absorbing fine particle dispersion liquid containsa viscosity of the near infrared absorbing fine particle dispersion liquid is 180 mPa·S or less.2. The anti-counterfeit ink composition for offset printing according to claim 1 , wherein the dispersant has one or more kinds of a functional group ...

COLOUR LASER MARKABLE LAMINATES AND DOCUMENTS

A colour laser markable laminate includes at least a transparent polymeric support and a colour forming layer including a leuco dye; an infrared dye; and a polymeric binder including vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the binder; wherein the colour laser markable laminate includes a specific phenol stabilizer sterically hindered by a ring containing three nitrogen atoms. A method for preparing a colour laser marked document is also disclosed. 115-. (canceled)18. The colour laser markable laminate according to claim 16 , wherein the phenol stabilizer sterically hindered by a ring containing three nitrogen atoms is present in the colour forming layer.19. The colour laser markable laminate according to claim 16 , further including an H-donor precursor.20. The colour laser markable laminate according to claim 16 , further comprising an outer layer on a side of the transparent polymeric support opposite to a side of the colour forming layer claim 16 , wherein the phenol stabilizer sterically hindered by a ring containing three nitrogen atoms is present in the outer layer.21. The colour laser markable laminate according to claim 20 , wherein the outer layer includes a polymeric binder including vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the binder.22. The colour laser markable laminate according to claim 16 , wherein the transparent polymeric support is a transparent axially stretched polyester support.23. The colour laser markable laminate according to claim 22 , wherein the transparent axially stretched polyester support is a transparent biaxially stretched polyterephthalate support.24. A colour laser markable document comprising:an opaque white core support; and{'claim-ref': {'@idref': 'CLM-00016', 'claim 16'}, 'the colour laser markable laminate according to ; wherein'}the colour forming layer is located between the opaque white core support and the transparent polymeric support.25. ...

INFRARED ABSORBING FINE PARTICLE DISPERSED POWDER, DISPERSION LIQUID CONTAINING INFRARED ABSORBING FINE PARTICLE DISPERSED POWDER, INK CONTAINING INFRARED ABSORBING FINE PARTICLE DISPERSED POWDER, AND ANTI-COUNTERFEIT INK, AND ANTI-COUNTERFEIT PRINTED MATTER

An infrared absorbing fine particle dispersed powder, dispersion liquid containing infrared absorbing fine particle dispersed powder, ink containing infrared absorbing fine particle dispersed powder, and anti-counterfeit ink and anti-counterfeit printed matter, which are transparent in a visible light region, have excellent infrared absorption properties, and are also excellent in chemical resistance, and an infrared absorbing fine particle dispersed powder containing particles made of solid media and having an average particle size of 1 μm or more and having infrared absorbing fine particles dispersed inside. 1. An infrared absorbing fine particle dispersed powder having an average particle size of 1 μm or more and containing particles made of solid media with infrared absorbing fine particles dispersed inside.2. The infrared absorbing fine particle dispersed powder according to claim 1 , wherein the infrared absorbing fine particles are the infrared absorbing fine particles represented by a general formula MWO(wherein M element is at least one element selected from the group consisting of H claim 1 , He claim 1 , alkali metal claim 1 , alkaline earth metal claim 1 , rare earth element claim 1 , Mg claim 1 , Zr claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Ru claim 1 , Co claim 1 , Rh claim 1 , Ir claim 1 , Ni claim 1 , Pd claim 1 , Pt claim 1 , Cu claim 1 , Ag claim 1 , Au claim 1 , Zn claim 1 , Cd claim 1 , Al claim 1 , Ga claim 1 , In claim 1 , Tl claim 1 , Si claim 1 , Ge claim 1 , Sn claim 1 , Pb claim 1 , Sb claim 1 , B claim 1 , F claim 1 , P claim 1 , S claim 1 , Se claim 1 , Br claim 1 , Te claim 1 , Ti claim 1 , Nb claim 1 , V claim 1 , Mo claim 1 , Ta claim 1 , Re claim 1 , Be claim 1 , Hf claim 1 , Os claim 1 , Bi claim 1 , I claim 1 , and Yb claim 1 , W is tungsten claim 1 , O is oxygen claim 1 , satisfying 0.20≤x/y≤0.37 claim 1 , and 2.2≤z/y≤3.0.).3. The infrared absorbing fine particle dispersed powder according to claim 1 , wherein the infrared ...

MARKING COMPOSITION

The invention relates to a marking composition, by means of which better protection of goods than hitherto available can be achieved independently of the coloring of the goods. The marking composition comprises an infrared-absorbing particulate component and carbon derivative, wherein the weight ratio of infrared-absorbing component to carbon derivative is in the range of approx.. 10:1 to approx.. 10,000:1.

MULTILAYER FILM INCLUDING HIDDEN FLUORESCENT FEATURES

Various embodiments disclosed relate to multilayer films including hidden fluorescent features. The present disclosure includes a multilayer optical film including an isotropic multilayer optical film having first and second opposed major surfaces. The isotropic multilayer optical film reflects at least 50% of a light that is at least one of ultraviolet light or visible light, having an incident angle less than a cutoff angle from normal to the first major surface of the isotropic multilayer optical film, wherein the cutoff angle is in a range from 10° to 70°. The isotropic multilayer optical film allows at least 50% of the light having an incident angle of more than the cutoff angle from normal to the first major surface of the isotropic multilayer optical film to pass through the isotropic multilayer optical film. The isotropic multilayer optical film includes a marking on the second major surface of the isotropic multilayer optical film, the marking including at least one fluorescent compound. Various embodiments of multilayer optical films described herein are useful, for example, as anti-counterfeiting features, such as in identification documents or cards, currency, labels for pharmaceuticals or other high value products, or financial cards. 1. A multilayer optical film comprising: reflects at least 50% of a light that is at least one of ultraviolet light or visible light, having an incident angle less than a cutoff angle from normal to the first major surface of the isotropic multilayer optical film, wherein the cutoff angle is in a range from 10° to 70°, and', 'allows at least 50% of the light having an incident angle of more than the cutoff angle from normal to the first major surface of the isotropic multilayer optical film to pass through the isotropic multilayer optical film; and, 'an isotropic multilayer optical film having first and second opposed major surfaces, wherein the isotropic multilayer optical filma marking on the second major surface of the ...

SILK FIBROIN SECURITY FIBERS CONTAINING SECURITY MARKERS AND A PROCESS FOR THE PREPARATION THEREOF

Present invention discloses loaded silk fibroin fibers as security features. Particularly, it provides security fiber comprising silk fibroin loaded with fluorescent chromophore or IR absorbing chromophore useful to combat counterfeiting. The invention discloses paper composition containing loaded silk fibroin fibers, provides method for authentication of paper embedded with security features. 1. A security fiber comprising silk fibroin loaded with markers selected from inorganic UV fluorescent chromophore and/or organic IR absorbing chromophore that is identified on exposure to said spectral wavelength , wherein said security fiber is useful to combat counterfeiting.2. The security fiber according to claim 1 , wherein the UV fluorescent chromophore is selected from inorganic material preferably Sodium yttrium Fluoride-oxide doped with Ytterbium and Thalium.3. The security fiber according to claim 1 , wherein the IR absorbing chromophore is selected from organic dye such as Dimethyl{4-[1 claim 1 ,7 claim 1 ,7-tris(4-dimethylaminophenyl)-2 claim 1 ,4 claim 1 ,6-heptatrienylidene]-2 claim 1 ,5-cyclohexadien-1-ylidene}ammonium perchlorate4. The security fiber according to claim 1 , wherein the silk fibroin is selected from natural silk fiber or regenerated silk fiber.5. The security fiber according to claim 1 , wherein the markers are loaded in the silk fibroin in the ratio ranging between 0.09-0.1 wt %.6. The security fiber according to claim 1 , wherein the fibers are micron size claim 1 , in the range of 10 microns to 200 microns and thickness of the fibers is in the range of 50 microns to 150 microns.7. The security fiber according to claim 1 , wherein a substrate was embedded with security fiber which can be identified on exposure to said spectral wavelength.8. The security fiber according to claim 7 , wherein the substrate is selected from textiles claim 7 , fabrics claim 7 , plastics claim 7 , security paper such as bank note paper claim 7 , passport paper claim ...

SECURITY PIGMENT BASED ON CORE-SHELL PARTICLES, AND PRODUCTION METHOD

The invention relates to a security pigment of core-shell particles, comprising a core based on a thermoplastic material, a shell based on a condensation polymer, and an organic or metalorganic feature substance present in dissolved or finely distributed form in the core, wherein the mass fraction of the shell amounts to more than 25%, preferably 50%, particularly more than 100%, in relation to the mass of the core. The invention further relates to a method for producing the core-shell particles and to value documents having the core-shell particles. 124.-. (canceled)25. A security pigment of chemically stable core-shell particles , comprising a core based on a thermoplastic polymer , a shell based on a condensation polymer and an organic or metalorganic feature substance present in dissolved or finely distributed form in the core ,wherein the mass fraction of the shell amounts to more than 25%, relative to the mass of the core, in order to give the core-shell particles chemical stability.26. The security pigment according to claim 25 , wherein the thermoplastic polymer is selected from polystyrene (PS) claim 25 , polyacrylates claim 25 , polyethylene (PE) claim 25 , polypropylene (PP) claim 25 , polycarbonates (PC) claim 25 , polyamides (PA) claim 25 , polyurethanes (PU) claim 25 , polyureas (PH) claim 25 , polyethylene terephthalate (PET) or other polyesters claim 25 , or from one of the polyacrylates polymethyl methacrylate (PMMA) claim 25 , polyvinyl acetate (PVAC) claim 25 , polyvinyl chloride (PVC) claim 25 , polyacrylonitrile (PAN).27. The security pigment according to claim 25 , wherein the condensation polymer is selected from aminoplasts claim 25 , phenoplasts claim 25 , melamine-formaldehyde resins (MF) claim 25 , melamine-phenol-formaldehyde resins (MPF) claim 25 , phenol-formaldehyde resins (PF) claim 25 , urea-formaldehyde resins (UF) claim 25 , melamine-guanidine-formaldehyde resins or phenol-resorcin-formaldehyde resins.28. The security pigment ...

Value Document, Method for Checking the Presence of Same and Value Document System

The invention relates to a value document having luminescent, particulate agglomerates which respectively include at least two different, luminescent, solid homogeneous phases emitting at a first and a second emission wavelength, respectively, wherein upon an evaluation of measurement values that are obtainable by a measurement of the first luminescence intensity at the first emission wavelength and of the second luminescence intensity at the second emission wavelength, said measurement being location-specific and carried out at different locations, a statistical correlation is present between the first luminescence intensities and the second luminescence intensities.