EP4155093A1 - Personalisierbares sicherheitsdokument und verfahren zur herstellung davon - Google Patents

Personalisierbares sicherheitsdokument und verfahren zur herstellung davon Download PDF

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Publication number
EP4155093A1
EP4155093A1 EP21315188.9A EP21315188A EP4155093A1 EP 4155093 A1 EP4155093 A1 EP 4155093A1 EP 21315188 A EP21315188 A EP 21315188A EP 4155093 A1 EP4155093 A1 EP 4155093A1
Authority
EP
European Patent Office
Prior art keywords
laser
layer
sensitive material
security document
layers
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.)
Pending
Application number
EP21315188.9A
Other languages
English (en)
French (fr)
Inventor
Nipun Sharma
Nicolas Dalloz
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.)
HID Global CID SAS
Original Assignee
HID Global CID SAS
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 HID Global CID SAS filed Critical HID Global CID SAS
Priority to EP21315188.9A priority Critical patent/EP4155093A1/de
Priority to PCT/EP2022/073092 priority patent/WO2023046379A1/en
Publication of EP4155093A1 publication Critical patent/EP4155093A1/de
Pending 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
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • 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
    • B42D25/30—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
    • 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
    • B42D25/378—Special inks
    • 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
    • B42D25/45—Associating two or more layers
    • 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
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives

Definitions

  • the present disclosure generally relates to security features for security documents, in particular, personalizable security documents such as identification documents, driver's licenses and the like.
  • a laser engraved image is considered vital, as the image features are obtained inside a polycarbonate substrate rather than on the surface of the substrate.
  • a laser engraved feature in a polycarbonate substrate may include a black and white (in particular, grayscale) image, a color image, a combination of grayscale and color, or special features like the Mirage technology of the present applicant.
  • EP 0 972 632 A1 discloses a security card comprising a laminate of a flexible glass layer and a support.
  • the glass layer has sufficient flexibility to allow substantial bending of the card without causing breakage of the glass. Further, the glass layer acts as a security feature, because delamination in order to falsify information stored in the card is difficult without breaking the glass.
  • the present disclosure is directed, at least in part, to improving or overcoming one or more aspects of prior systems, without being limited to a particular type of security document.
  • a personalizable security document comprises a laminated body formed by a plurality of layers of at least one first material arranged on top of each other in a thickness direction.
  • the body has a first side and a second side opposite to the first side in the thickness direction.
  • the document further comprises a security feature embedded in the body.
  • the security feature includes a laser-sensitive material provided on a substrate, and a protective material provided over the laser-sensitive material to separate the laser-sensitive material from a first layer of the plurality of layers arranged on top of the security feature.
  • the protective material is formed by a. material that is different from the at least one first material of the plurality of layers. At least portions of the layers arranged on top of the laser-sensitive material are transparent to visible light such that a color feature produced upon irradiation of the laser-sensitive material with laser light is visible from the first side.
  • the present disclosure relates to a method of manufacturing a personalizable security document.
  • the method comprises providing a laser-sensitive material on a substrate, providing a protective material over the laser-sensitive material, and arranging a structure formed by the substrate, the laser-sensitive material and the protective material between at least two layers of at least one first material that is different from the protective material.
  • the at least one first material includes polycarbonate (PC), polyvinyl chloride (PVC) and/or thermoplastic polyurethane (TPU).
  • the method further comprises laminating the at least two layers to form a body of the personalizable security document. At least portions of one or more layers arranged on top of the laser-sensitive material are transparent to visible light such that a color feature produced upon irradiation of the laser-sensitive material with laser light is visible from a first side of the body.
  • the present disclosure is based at least in part on the realization that, in case of color, laser personalization, adding an additional feature to the system may enhance the security of a document.
  • This additional feature can be a flexible layer made of material that is different from the material of the other layers of the documents, such as polycarbonate.
  • a flexible glass substrate or a flexible metallic plate can be used. This provides an additional layer of security.
  • any layer on the top (or bottom) of the laser-sensitive material can provide an additional security feature. This is because, when a counterfeiter tries to alter the document, the protective layer is broken.
  • Fig. 1 shows a plan view of an exemplary security document 10 in accordance with the present disclosure.
  • security document 10 comprises a laminated body 1 formed by a plurality of layers 4, 5, 6, 7, 8 of at least one first material arranged on top of each other in a thickness direction d (see, for example, Fig. 3 ).
  • Body 1 has a first side S1 and second side S2 opposite to first side S1 in thickness direction d.
  • Second side S2 of document 10 is shown in Fig. 2 .
  • Each of the plurality of layers 4, 5, 6, 7, 8 is configured as a plastic layer, such as a polycarbonate layer, a PVC layer, a TPU layer or a PET layer. It will be appreciated that in some embodiments all layers are formed from the same material, whereas in other embodiments one or more layers may be formed from different plastic materials.
  • document 10 is a personalizable security document, which comprises a security feature 3 embedded in body 1.
  • security feature 3 is visible from both sides S1 and S2 after personalization.
  • personalization of security document 10 results in a color feature 2, such as a portrait image, which is visible from both the first side S1 and the second side S2.
  • color feature 2 will appear mirrored when viewed from second side S2.
  • Security feature 3 and the personalization of security document 10 will be described in more detail below.
  • security feature 3 includes a laser-sensitive (laser-activated, laser-reactive) material 3c, such as an ink or pigments which, upon irradiation with laser light, produce a color feature (for example, thermocromic dyes, metallic nanoparticles, dielectric nanoparticles, dyes with nanoparticles, or any combination of the same, for example, provided in several layers).
  • a laser-sensitive material 3c may be transparent or have a first color, and the laser light activates laser-sensitive material 3c to change its color to a (second) color which can be observed.
  • the contrast/intensity of the resulting color may depend on the laser parameters (intensity, speed, laser focus, laser spacing, repetition rate, laser polarization, laser wavelength, pulse duration and the like).
  • the generation of a color feature using laser-sensitive inks or pigments is well-known, such that the details will be omitted herein.
  • color images can be engraved in security feature 3.
  • a plurality of different laser-sensitive pigments and/or different laser wavelengths can also be used in combination to produce multicolor images.
  • Laser-sensitive material 3c is provided on a substrate 3b.
  • substrate 3b is a glass substrate, in particular, a flexible glass substrate.
  • laser-sensitive material 3c is formed as a coating on substrate 3b. It will be appreciated, however, that in other embodiments laser-sensitive material 3c may be applied onto substrate 3b by a different process (e.g., as a film layer that is bonded to substrate 3b using an adhesive, and the like).
  • Laser-sensitive material 3c includes an ink or pigments that change their color upon irradiation with laser light.
  • said ink or pigments may include solutions of nanoparticles and/or thermochromic pigments.
  • Such laser-sensitive materials are known to a skilled person, and a detailed description will be omitted herein.
  • security feature 3 further includes a protective material 3a provided over laser-sensitive material 3c.
  • Protective material 3a is provided to separate laser-sensitive material 3c from a first layer 5 of the plurality of layers arranged on top of security feature 3 (see, for example, Fig. 3 ).
  • Protective material 3a is formed by a material that is different from the at least one first material of the plurality of layers 4, 5, 6, 7, 8 disposed on top of and below security feature 3.
  • protective material 3a is configured as a glass barrier, for example, a flexible glass barrier, having a thickness between 30 ⁇ m and 100 ⁇ m, preferably around 70 ⁇ m.
  • the configuration of the glass barrier may be the same as that of substrate 3b on which laser-sensitive material 3c is provided (perhaps with different thickness).
  • a structure formed by substrate 3b, laser-sensitive material 3c and protective material 3a is provided in a second layer 6 of the plurality of layers adjacent to first layer 5.
  • said structure may be accommodated in a recess 6a formed in second layer 6.
  • an area of said structure, in particular, substrate 3b, laser-sensitive material 3c and protective material 3a is smaller than an area of each of the plurality of layers 4, 5, 6, 7, 8.
  • substrate 3b, laser-sensitive material 3c and protective material 3a have different areas, as long as protective material 3a covers at least the portion of laser-sensitive material 3c that will form color feature 2.
  • cross-sections of substrate 3b, laser-sensitive material 3c and protective material 3a in a plane perpendicular to thickness direction d do not need to be the same, and can have any desired shape such as a circular shape, a rectangular shape, a polygonal shape and the like.
  • a thickness of the structure formed by substrate 3b, laser-sensitive material 3c and protective material 3a is substantially the same as the thickness of second layer 6, for example, between 50 ⁇ m and 200 ⁇ m, preferably between 70 ⁇ m and 150 ⁇ m.
  • two layers 4, 5 are provided on top of second layer 6, and two layers 7, 8 are provided below second layer 6.
  • different numbers of layers may be provided on top of and below second layer 6, as long as at least one layer is provided on top of second layer 6, and one layer is provided below second layer 6.
  • first layer 5 may have a recess 5a which has essentially the same size as recess 6a.
  • a third layer 7 arranged below second layer 6 may have a recess 7a with a size that is substantially the same as the size of recess 6a.
  • Fig. 3 shows a state of document 10 before lamination of layers 4, 5, 6, 7, 8. After lamination, any recesses in the layers, such as recesses 5a and 7a will be filled with the material of the respective layers.
  • no recesses 5a, 7a may be present before lamination.
  • Fig. 5 shows a schematic illustration of a process for personalizing document 10, in particular, security feature 3 of the same.
  • Fig. 5 again shows the state of document 10 before lamination.
  • the personalization will generally be performed after lamination of document 10.
  • a personalizable security document 10 in accordance with the present disclosure is generally produced and supplied to customers prior to personalization, and personalization will usually be performed by the customers.
  • the personalized document is supplied to customers.
  • the personalization can be performed before lamination, as illustrated in Fig. 5 .
  • Fig. 6 shows security document 10 after lamination of the plurality of layers 4, 5, 6, 7, 8.
  • security feature 3 is securely embedded inside body 1 of security document 10.
  • at least portions of the layers 4, 5 arranged on top of laser-sensitive material 3c are transparent to visible light such that color feature 2 is visible from first side S1.
  • laser-sensitive material 3c and/or the laser used to activate the same is configured such that, when laser-sensitive material 3c is irradiated with laser light 9, color feature 2 is formed such that it has different appearances when viewed in transmission and in reflection, respectively.
  • security feature 3 is visible from both sides S1 and S2
  • a transparent window 11 extending through body 1 of security document 10 is formed by the transparent portions of the layers arranged above and below security feature 3.
  • the area (size) of security feature 3 (substrate 3b, laser-sensitive material 3c and protective material 3a) is smaller than the area of the layers 4, 5, 6, 7, 8 forming body 1.
  • a plurality of security features may be included in document 10.
  • security feature 3 (substrate 3b, laser-sensitive material 3c and/or protective material 3a) has the same size as each of the layers.
  • security feature 3 is not provided in a recess formed in second layer 6, but instead replaces second layer 6 and is sandwiched between first layer 5 and third layer 7.
  • security feature 3 having a size that is smaller than a size of layers 4, 5, 7, 8 of security document 10 between two layers 5, 7.
  • second layer 6 may be omitted.
  • security feature 3 will be securely embedded inside body 1 after lamination. However, the resulting thickness of body 1 may be less uniform due to the absence of the material of second layer 6 surrounding security feature 3.
  • laser-sensitive material 3c may be provided directly on a top surface of third layer 7.
  • third layer 7 forms the substrate on which laser-sensitive material 3c is provided, and no separate member is provided to form said substrate.
  • protective material 3a will be provided over laser-sensitive material 3c to separate the same from adjacent layer 5.
  • Second layer 6 surrounding protective material 3a may be provided, or may be omitted in other embodiments. In the latter case, protective material 3a may be formed as a layer having the same size as the remaining layers of document 10.
  • protective material 3a has been described above as a glass barrier such as a flexible glass barrier with a thickness between 30 ⁇ m and 100 ⁇ m
  • protective material 3a may be formed as a material layer deposited on top of laser-sensitive material 3c, for example, a silica layer or another glass-like layer, a titanium dioxide layer, or a metallic layer.
  • protective material 3a may have a significantly reduced thickness, for example, between 20 nm and 1000 nm, preferably between 50 nm and 500 nm. It will be appreciated that the thickness of surrounding second layer 6, if present, can be adapted accordingly to the resulting total thickness of security feature 3 in this case.
  • any kind of laser-reactive coatings can be protected inside a laminated polycarbonate body, by being sandwiched between two physical layers such as two flexible glass layers, or by being provided on a flexible glass layer and being covered by a vapour-deposited or chemically-deposited layer such as silica.
  • the colors produced by the laser light are of high quality compared to other technologies, and the present disclosure can be used to produce high-quality color images using a single laser or, in other cases, multiple lasers.
  • An exemplary method of manufacturing a personalizable security document as described above comprises the following steps: In a first step, a laser-sensitive material 3c is provided on a substrate 3b or layer 7. Next, a protective material 3a is provided over laser-sensitive material 3c. A structure formed by substrate 3b or layer 7, laser-sensitive material 3c and protective material 3a is arranged between at least two layers 4, 5, 6, 7, 8 of at least one first material that is different from the protective material, such as polycarbonate, PVC and TPU. The at least two layers 4, 5, 6, 7, 8 are laminated to form a body 1 of personalizable security document 10. At least portions of one or more layers arranged on top of laser-sensitive material 3c are transparent to visible light such that a color feature produced upon irradiation of laser-sensitive material 3 with laser light 9 is visible from a first side S1 of body 1.
  • the personalization of security feature 3 is performed after the step of laminating the plurality of layers.
  • the personalization may also be performed prior to laminating the layers.
  • the method includes providing a structure or module formed by substrate 3b, laser-sensitive material 3c and protective material 3a in a recess formed in second layer 6 either prior to arranging the plurality of layers on top of each other, or while doing so.
  • said structure or module may be arranged on top of third layer 7, and second layer 6 with the corresponding recess 6a may then be arranged around said structure, before subsequent first layer 5 is arranged on top of second layer 6.
  • second layer 6 may be omitted.
  • said structure is embedded between first layer 5 and third layer 7 arranged directly below first layer 5.
  • laser-sensitive material 3c may be applied directly on top of third layer 7.
  • a step of applying laser-sensitive material 3c onto third layer 7 may be present.
  • protective material 3a is then provided over laser-sensitive material 3c to protect the same. In some embodiments, this may include bonding a barrier such as a flexible glass barrier to substrate 3b with laser-sensitive material 3c, or to third layer 7 with laser-sensitive material 3c.
  • a step of depositing protective material 3a on laser-sensitive material 3c may be included to form a silica layer or another glass-like layer.
  • a material may be deposited on laser-sensitive material 3c in a first step, and oxidized or treated in another appropriate manner in a subsequent step to form the protective layer. It is also contemplated to form the protective layer by appropriate treatment of laser-sensitive material 3c, such as oxidizing the top portion of a metallic layer or the like.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Credit Cards Or The Like (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
EP21315188.9A 2021-09-24 2021-09-24 Personalisierbares sicherheitsdokument und verfahren zur herstellung davon Pending EP4155093A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21315188.9A EP4155093A1 (de) 2021-09-24 2021-09-24 Personalisierbares sicherheitsdokument und verfahren zur herstellung davon
PCT/EP2022/073092 WO2023046379A1 (en) 2021-09-24 2022-08-18 Personalizable security document and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21315188.9A EP4155093A1 (de) 2021-09-24 2021-09-24 Personalisierbares sicherheitsdokument und verfahren zur herstellung davon

Publications (1)

Publication Number Publication Date
EP4155093A1 true EP4155093A1 (de) 2023-03-29

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ID=78483231

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EP21315188.9A Pending EP4155093A1 (de) 2021-09-24 2021-09-24 Personalisierbares sicherheitsdokument und verfahren zur herstellung davon

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EP (1) EP4155093A1 (de)
WO (1) WO2023046379A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0972632A1 (de) 1998-07-15 2000-01-19 Agfa-Gevaert N.V. Datenkarte mit einem Laser-Aufzeichnungsmedium und einer dünnen Glasschicht
EP3034318A1 (de) * 2014-12-18 2016-06-22 Gemalto SA Personalisierung von physischen Medien mittels selektiver Aufdeckung und Verdeckung von vorgedruckten Farbpixeln

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0972632A1 (de) 1998-07-15 2000-01-19 Agfa-Gevaert N.V. Datenkarte mit einem Laser-Aufzeichnungsmedium und einer dünnen Glasschicht
EP3034318A1 (de) * 2014-12-18 2016-06-22 Gemalto SA Personalisierung von physischen Medien mittels selektiver Aufdeckung und Verdeckung von vorgedruckten Farbpixeln

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WO2023046379A1 (en) 2023-03-30

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