EP2692539A1 - Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier - Google Patents

Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier Download PDF

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Publication number
EP2692539A1
EP2692539A1 EP12382309.8A EP12382309A EP2692539A1 EP 2692539 A1 EP2692539 A1 EP 2692539A1 EP 12382309 A EP12382309 A EP 12382309A EP 2692539 A1 EP2692539 A1 EP 2692539A1
Authority
EP
European Patent Office
Prior art keywords
security
paper
cellulose element
heat
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12382309.8A
Other languages
English (en)
French (fr)
Inventor
Vicente Garcia Juez
Javier Baraja Carracedo
José Mendia Aguilar
Antonio Olmos Ruiz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fabrica Nacional de Moneda y Timbre
Original Assignee
Fabrica Nacional de Moneda y Timbre
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fabrica Nacional de Moneda y Timbre filed Critical Fabrica Nacional de Moneda y Timbre
Priority to EP12382309.8A priority Critical patent/EP2692539A1/de
Publication of EP2692539A1 publication Critical patent/EP2692539A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/333—Watermarks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/355—Security threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/346—Perforations

Definitions

  • the present invention can be applied in the security document industry, and more specifically in the area of visual recognition security elements intended for verifying the authenticity of security documents.
  • Security documents incorporating both through holes and watermarks obtained from thickness differences due to the accumulation of a different amount of cellulose fibers when producing the document are known in the area of security documents incorporating visual security elements today.
  • International application number WO-9526274-A1 likewise describes a carrier containing patterns that can be readily recognized by the human eye formed by holes created by a laser beam and they can also be perceived with the naked eye or they may have shapes or irregularities that are so minor that special apparatuses verifying that the hole was made with laser technology and not with conventional mechanical methods are required.
  • International application number WO-2006099971-A1 in turn describes producing paper with a plurality of plies where at least one of them is paper and where in each of said plies there can be holes that can overlap one another when the successive plies of paper are overlain both during processes for producing paper in simultaneous plies and in processes for rolling previously produced paper webs.
  • the technology used for making these holes is based on incorporating electrotypes in the wire fabric of the paper machine, these holes being completely perceivable due to the transmission of light.
  • Multitone watermarks which are generated by means of different depositions of cellulose fibers depending on the variable deformation in heights and depths generated in the wire fabric of the paper machine are also known.
  • Spanish patent application number 200500563 relates to a security strip, a security paper incorporating said strip and a security document and banknote incorporating said paper.
  • Said document describes a security strip which is formed by a cellulose carrier web formed by plant fibers to which security elements are added for visual observation, said elements including, for example, dyes or expandable agents such as those described in Spanish patent application number 200400256 .
  • the cellulose strip is fixed between the plies of a paper substrate in the wet area of the paper machine such that bonds form between the cellulose fibers of the outer faces of the strip and the cellulose fibers of the substrate.
  • a first aspect of the present invention relates to a laser heat-treated cellulose element, which allows obtaining a visually noticeable security element which can be embedded in a security paper, which allows obtaining surprising visual effects relating to their observation either by transparency or by reflection, all in an economical and simple manner.
  • the cellulose element proposed by the invention has a laminar configuration and comprises plant fibers, i.e., it consists of paper.
  • the security cellulose element comprises at least one laser heat-treated area in which the plant fibers located in said heat-treated area are degraded due to said heat treatment.
  • the cellulose element is in the form of a web, strip or band, these terms being considered as equivalents.
  • a second aspect of the invention relates to a security paper comprising at least one substrate in which at least one cellulose element such as that described above is embedded, where said at least one substrate has enough opacity to prevent the passage of light such that the amount of light going through the assembly formed by substrate and security cellulose element is similar when the light goes through the heat-treated area and when it goes through the non heat-treated area.
  • substrate is a term equivalent to base paper.
  • a third aspect of the invention relates to a security document comprising a security paper corresponding to the second aspect of the invention.
  • Security paper is understood as that paper which is ready to be printed or processed such that a security document, an identification document or a valuable document are obtained.
  • security document or item refers to that which has particular features assuring its origin and, therefore, its authenticity.
  • security documents or items include all those used by public administrations and their public agencies, as well as those used in the private sector, when they circulate massively between citizens and businesses, and they contain means or devices for identification, authentication or anti-counterfeiting, commonly referred to as security elements.
  • a fourth aspect of the invention relates to a method for embedding a security cellulose element, like that corresponding to the first aspect of the invention, in a security paper like that corresponding to the second aspect of the invention.
  • the method comprises inserting the security cellulose element during a wet forming phase for forming the substrate or sheet of paper and after separating said formed sheet of paper from a wire mesh constituting a paper sheet forming apparatus.
  • the cellulose element can be dispersed or broken down in water, so unlike a security thread, the cellulose element cannot be inserted according to the known methods for embedding a security thread in the substrate at the beginning of the forming process for forming said substrate or sheet of paper.
  • a cellulose element i.e., also consisting of paper
  • the present invention allows providing a cellulose strip with visually noticeable security features, unlike the strip described in Spanish patent application number P200500563 , without requiring the use of any additional type of material such as dyes, fibrils, expandable agents, but said features are formed when certain cellulose fibers which are thermally engraved by means of a laser light source degrade in a localized and controlled manner.
  • the heat increase produced can cause alterations in the color of the cellulose fibers by marking the paper from the surface burning thereof or cutting with perforation in the paper after complete burning of the cellulose fibers of the engraved area. Both the color changes and the holes generated and the combination of both effects in areas close to one another produce surprising and unexpected visual effects depending on specific designs of the areas to be degraded when the security strip is embedded in the paper according to the technique described in P200500563.
  • the object to be patented is the laser heat-treated cellulose strip, the method of inserting the security strip in the paper substrate during its formation in the wet area of the paper machine, the security paper containing the security strip embedded therein and the security document produced with said security paper.
  • the cellulose element comprises expandable agents selectively distributed in the pulp or on the surface forming a figure or legend is contemplated, such that when heat and pressure are applied during the phase for producing the security paper containing said cellulose element, said expandable agents expand such that the surface of the cellulose element has a curved and continuous embossment, according to the distribution of the expandable agents, being recognizable both by sight and by touch.
  • the cellulose element comprises any of the security elements described in Spanish patent application number 200500536 , including dyes, or any other addition of security elements to the cellulose element itself in combination with the laser treatment thereof.
  • the invention consists of thermally degrading in specific and located points or areas of a strip of paper made up of cellulose fibers of a plant origin with a laser beam to obtain perforations in said paper when the burning is complete and affects the entire thickness of the engraved area of paper or color changes when the burning is partial and only affects the surface of the engraved area.
  • the perforations generate areas of through holes throughout the entire thickness of the strip of paper whereas in the color changes, the laser beam does not go through the paper.
  • the non-through holes i.e., the perforation having certain thickness, generate a tone or color change on the surface of the non-perforated area.
  • the cellulose strip When the cellulose strip is embedded completely between the plies of a substrate such as that formed by security paper covering the holes in the strip on both faces, due to the opacity of the substrate, greater than 90%, compared to the opacity of the strip, usually around 40%, the phenomenon is inverted in relation to what occurs when the strip is not embedded and the areas with holes or the pattern generated by the assembly thereof are no longer visible by transparency.
  • the substrate has enough capacity to prevent the passage of light such that the amount of light going through the assembly of the substrate and the strip is similar both when the light passes through the area of holes and through the area without holes.
  • the holes are visible by reflection due to the uneven dispersion of the light when it goes through the substrate and strip with or without holes.
  • a multitone visual effect is achieved depending on the degree of heat engraving of the laser beam on the cellulose fibers of the surface of the strip which, prior to that engraving, has been treated on the surface of the opposite face by a protective ply, for example by means of printing, sizing or coating systems for the purpose of reaching sufficient mechanical strength so that the unwinding tension and subsequent embedding are still possible without the strip breaking.
  • the strip with the image generated by controlled heat degradation has no increase in fiber accumulation, but rather a chemical alteration of the heat-degraded fibers takes place. This is the first difference in relation to conventional multitone watermarks.
  • the image formed has a different color than the substrate containing it which allows establishing a second difference with respect to conventional watermarks.
  • Prevent breaking while forming the sheet and winding the substrate itself SL: 45 - 135 N/15 mm SL: 75 - 120 N/15 mm ST: 30 - 75 N/15 mm ST: 45 - 65 N/15 mm
  • Wet tensile strength Prevent breaking while forming the sheet and winding the substrate itself SL: 15 - 65 N/15 mm SL: 30 - 45 N/15 mm ST: 7 - 35 N/15 mm ST: 15 - 30 N/15 mm
  • the lines had a perforated width of 0.15 mm and a distance between them of 0.1 mm.
  • the burning was performed with a CO 2 laser source with a wavelength of 10000 nm and a power of 150 W, through a 3-axis galvanometer head and a spot diameter of 2 mm.
  • the cellulose element (1) generated by these means obtained an observation by transparency and by reflection corresponding to the desired graphic design.
  • This cellulose element (1) was subsequently embedded between the two plies of a cotton paper substrate (5) when both plies are coming out of their corresponding sheet forming apparatuses (7) of the paper machine and a final substrate of 87 g/m 2 , 106 microns thick, with 94% opacity was obtained at a production rate of 48 m/min.
  • a device for unwinding the reel containing the cellulose element (1) in the form of strip driving said strip with air at a pressure of 1.75 bar was used to place the cellulose strip (1) at a distance of up to 8 mm from one of the two plies of the substrate (5).
  • the method according to the invention as illustrated in Figure 5 comprises inserting the security cellulose element (1) during a wet forming phase (6) for forming the substrate (5) and after separating said formed sheet of paper from a wire mesh constituting a paper sheet forming apparatus (7).
  • Figure 1 shows a schematic view of the heat-treated cellulose element (1) according to the first aspect of the invention, in which the making of a motif by means of through holes (2), as well the visual behavior of the cellulose element according to different inclinations can be seen.
  • each of the three views A, B and C depicts a common phenomenon, phenomena of reflection for approximate angles of observation less than 30° in view A and between 30°-60° in view B having been depicted in views A and B, whereas the transparency phenomenon between approximately 60°-120° has been depicted in view C.
  • Figure 2 shows a schematic view like that of Figure 1 , in which the cellulose element (1) is embedded in a paper substrate (5).
  • a protective ply is provided on a cellulose strip (1) 25 mm wide, 22 g/m 2 in grammage, 48 microns thick, with a Bendtsen porosity of 2600 ml/min (x4 sheets), a dry tensile strength of 28 N/15 mm in the longitudinal direction and 17 N/15 mm in the transverse direction, and a wet tensile strength of 0.2 N/15 mm in the longitudinal direction by means of a rotogravure printing process on one of its faces for the purpose of reaching sufficient mechanical strength so that after heat engraving, the unwinding tension and subsequent embedding are still possible without the strip breaking.
  • discoloration is performed by means of burned surface plant fibers (4) or by means of non-through holes (3), as can be seen in Figure 4 , on the untreated face with the protective ply having a geometry of speckles generating irregular shapes enclosed in rectangular areas.
  • the marking or discoloring is done with a CO 2 laser source with a wavelength of 10000 nm and a power of 120 W, through a 3-axis galvanometer head and a spot diameter of 2 mm.
  • the cellulose strip (1) generated by these means obtains observation by transparency and by reflection corresponding to the desired random design.
  • This cellulose strip (1) was subsequently embedded between the two plies of a cotton paper substrate (5) when both plies are coming out of their corresponding sheet forming apparatuses (7) of the paper machine and a final substrate of 87 g/m 2 , 106 microns thick, with 94% opacity was obtained at a production rate of 48 m/min, as schematically depicted in the process carried out in the equipment illustrated in Figure 5 .
  • a device for unwinding the reel containing the strip (1) driving said strip (1) with air at a pressure of 1.75 bar was used to place the cellulose strip (1) at a distance of up to 8 mm from one of the two plies of the substrate (5).
  • Figure 3 shows a schematic view like that of Figure 2 , in which the cellulose element (1) is additionally subjected to heat treatment producing the color and shape of dark parallel lines of the same tone; multitones have not been depicted so as to not complicate the visual interpretation of the drawings, as discussed above; the phenomena depicted in each of the views A, B and C correspond with said same views of Figures 1 and 2 .

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Paper (AREA)
EP12382309.8A 2012-07-31 2012-07-31 Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier Withdrawn EP2692539A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12382309.8A EP2692539A1 (de) 2012-07-31 2012-07-31 Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12382309.8A EP2692539A1 (de) 2012-07-31 2012-07-31 Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier

Publications (1)

Publication Number Publication Date
EP2692539A1 true EP2692539A1 (de) 2014-02-05

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EP12382309.8A Withdrawn EP2692539A1 (de) 2012-07-31 2012-07-31 Mit Laser wärmebehandeltes Element; Sicherheitspapier mit besagtem Element; Sicherheitsdokument mit besagtem Papier und Verfahren zur Einbettung eines Celluloseelements in ein Sicherheitspapier

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014180885A1 (en) * 2013-05-10 2014-11-13 Fábrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Method of providing a security document with a security feature, and security document
JP2019119143A (ja) * 2018-01-06 2019-07-22 ブラザー工業株式会社 積層体、積層体の製造方法及び情報表示体の製造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070172A1 (de) * 1981-07-13 1983-01-19 Portals Limited Ein teilweise eingeschlossenes Band enthaltendes Papier, Verfahren zur Papierherstellung und Sicherheitsdokument
EP0549384A1 (de) 1991-12-09 1993-06-30 Arjo Wiggins S.A. Verfahren zur Herstellung von Papier mit reduzierter Dichtheit und Undurchsichtigkeit in lokalen Zonen und das so erhaltene Papier
WO1995026274A1 (en) 1994-03-29 1995-10-05 Industrial Automation Integrators (Iai) B.V. Carrier representing value and comprising patterns applied by a laser beam
WO1997018092A1 (en) 1995-11-13 1997-05-22 Orell Füssli Banknote Engineering Ltd. Security document with security marking
WO2006099971A2 (de) 2005-03-23 2006-09-28 Giesecke & Devrient Gmbh Mehrlagiges sicherheitspapier
GB2433469A (en) * 2005-12-20 2007-06-27 Rue De Int Ltd Security substrate incorporating a fibrous apertured tape
US20110056638A1 (en) * 2008-04-11 2011-03-10 Arjowiggins Security method of fabricating a sheet comprising a region of reduced thickness or of increased thickness in register with a ribbon, and an associated sheet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070172A1 (de) * 1981-07-13 1983-01-19 Portals Limited Ein teilweise eingeschlossenes Band enthaltendes Papier, Verfahren zur Papierherstellung und Sicherheitsdokument
EP0549384A1 (de) 1991-12-09 1993-06-30 Arjo Wiggins S.A. Verfahren zur Herstellung von Papier mit reduzierter Dichtheit und Undurchsichtigkeit in lokalen Zonen und das so erhaltene Papier
WO1995026274A1 (en) 1994-03-29 1995-10-05 Industrial Automation Integrators (Iai) B.V. Carrier representing value and comprising patterns applied by a laser beam
WO1997018092A1 (en) 1995-11-13 1997-05-22 Orell Füssli Banknote Engineering Ltd. Security document with security marking
WO2006099971A2 (de) 2005-03-23 2006-09-28 Giesecke & Devrient Gmbh Mehrlagiges sicherheitspapier
GB2433469A (en) * 2005-12-20 2007-06-27 Rue De Int Ltd Security substrate incorporating a fibrous apertured tape
US20110056638A1 (en) * 2008-04-11 2011-03-10 Arjowiggins Security method of fabricating a sheet comprising a region of reduced thickness or of increased thickness in register with a ribbon, and an associated sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014180885A1 (en) * 2013-05-10 2014-11-13 Fábrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Method of providing a security document with a security feature, and security document
US9938667B2 (en) 2013-05-10 2018-04-10 Fábrica Nacional de Moneda y Timbre-Real Casa de la Moneda Method of providing a security document with a security feature, and security document
JP2019119143A (ja) * 2018-01-06 2019-07-22 ブラザー工業株式会社 積層体、積層体の製造方法及び情報表示体の製造方法

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