EP4375083B1 - Sicherheitsdokument mit einer perforierten metallischen schicht und einer farbigen subpixel-matrix und herstellungsverfahren - Google Patents

Sicherheitsdokument mit einer perforierten metallischen schicht und einer farbigen subpixel-matrix und herstellungsverfahren Download PDF

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Publication number
EP4375083B1
EP4375083B1 EP23200582.7A EP23200582A EP4375083B1 EP 4375083 B1 EP4375083 B1 EP 4375083B1 EP 23200582 A EP23200582 A EP 23200582A EP 4375083 B1 EP4375083 B1 EP 4375083B1
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EP
European Patent Office
Prior art keywords
document
metal layer
window
sub
pixels
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.)
Active
Application number
EP23200582.7A
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English (en)
French (fr)
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EP4375083B8 (de
EP4375083A1 (de
Inventor
Marie MAZZOLINI
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.)
Idemia Identity and Security France SAS
Original Assignee
Idemia France SAS
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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
    • B42D25/346—Perforations
    • 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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

Definitions

  • the invention relates to the field of security documents, and in particular security documents on or within which images can be observed and their manufacturing method.
  • the invention applies non-exclusively to physical identity documents, such as a passport, an identity card, a driving license, a residence permit, etc.
  • identity documents also known as identity documents or security documents.
  • This market concerns a wide variety of documents, such as identity cards, passports, access badges, driving licenses, etc., which can come in different formats (cards, booklets, etc.).
  • Security documents must be easily and quickly authenticated. They must also be difficult to counterfeit (if possible, tamper-proof), in the face of the latest counterfeiting techniques.
  • Security documents usually feature colored images, for example, photographs of the faces of a security document holder.
  • Color imaging techniques for secure identity documents use colored subpixel arrays (e.g., Red-Green-Blue subpixels or Cyan-Magenta-Yellow subpixels) and techniques for blackening a layer that will mask portions of the subpixels to obtain pixels of a desired color.
  • colored subpixel arrays e.g., Red-Green-Blue subpixels or Cyan-Magenta-Yellow subpixels
  • a laserizable layer can be a transparent polycarbonate layer and can include additives sensitive to the passage of a laser beam because this beam carbonizes them.
  • Such a laserable layer will be blackened or at least partially grayed throughout its thickness depending on the power of the laser since the additives sensitive to the passage of a laser beam are distributed uniformly throughout the thickness of the layer.
  • the present invention proposes a security document comprising a stack of layers comprising a matrix of colored sub-pixels (SB, SM, SJ), a metal layer adjacent to at least part of a face of the matrix of colored sub-pixels, in which the metal layer comprises perforations facing sub-pixels of the matrix of colored sub-pixels, in which an image displayed in at least a first window of said document located facing at least one zone not comprising said metal layer, is reproduced at least partially in a second window of said document, said second window being located facing a zone comprising said metal layer.
  • SB matrix of colored sub-pixels
  • SJ matrix of colored sub-pixels
  • the invention proposes to use a metal layer which is perforated to reveal certain colored sub-pixels. It is thus possible to form image pixels with colored sub-pixels under or on which a metal layer is deposited and colored sub-pixels under or on which the metal layer is perforated, which makes it possible to have a wider color gamut, and in particular brighter colors.
  • said metal layer comprising perforations is located only in a first window of said document. In this way, it is possible to make only one part of the image brighter. This advantageously makes it possible not to modify the color rendering outside the window, compared to a usual rendering of the document, which is important when said document is a security document.
  • said metal layer is positioned above the colored sub-pixel array.
  • said metal layer is positioned below the array of colored sub-pixels.
  • the metal layer is positioned above the pixel array in one or more windows of the document and below the pixel array in one or more windows of the document.
  • the image viewed in said window comprises at least a portion of an image viewed on a second window of said document, said second window being located on an area of said document not comprising said perforated metal layer.
  • the image represented in the window may be the face of the document holder and it is particularly advantageous to print the face in a window whose color gamut is widened so as to better distinguish the details.
  • displaying an image with a widened gamut makes it more difficult to falsify the document because this image includes more details.
  • said metallic layer is previously partially demetallized so as to adhere to the layer(s) between which it is inserted.
  • said perforated metal layer is perforated so that the image viewed in said first window has a different visual rendering depending on whether said document is illuminated from the front face or from the back face.
  • the invention also relates to a method for manufacturing a security document in which a matrix of colored sub-pixels is assembled with a metal layer, adjacent to at least a portion of a face of the matrix of colored sub-pixels, the method further comprising the formation of perforations through said metal layer facing sub-pixels of the matrix of colored sub-pixels in which an image displayed in at least a first window of said document located facing at least one area not comprising said metal layer is at least partially reproduced in a second window of said document, said second window being located facing an area comprising said metal layer.
  • security documents comprising both a matrix of colored sub-pixels and a metallic layer, with an improved color gamut at least in terms of brightness over at least a portion of the security document.
  • the images formed by these subpixels are customizable images, which can be different for each document, and which can be specific to each document user.
  • the documents described here may be physical identity documents such as a passport, an identity card, a driver's license, a residence permit, etc.
  • the documents described here may be associated with a user, and the colored images that will be obtained may be images of the users' faces.
  • a top view of a security document D according to an embodiment of the present invention is shown.
  • the document D comprises general information, in particular information relating to the type of document, to a reference or identification of the document and also information personal data relating to the bearer of the document.
  • a window F includes information whose brightness and contrast are different from the brightness and contrast of the other areas of the document D.
  • the contrast and brightness of the information present in the window F are improved for a human eye.
  • the window F includes information visible from both sides of the document D. This can be made possible by the presence of transparent layers above and below the window F. According to some embodiments, the visual rendering of this information is different depending on whether the document is observed from its front face or its back face.
  • the window F may include information not present on other parts of the document F.
  • the window F may include or repeat part of the information present on the document D.
  • this window F may also include part of the information present on the document D in a modified manner, for example with a rotation or at a different scale.
  • This information may be, for example, the face of the bearer of the document D, or personal data, such as his civil status, for example his date of birth, his place of birth, distinctive physical signs, etc.
  • several windows F may be present on the document D. These windows may include different information in each window (or in one or more windows) or the same information in each window (or in one or more windows) having different contrast or brightness in several windows.
  • the documents 100 or 100' may be a representation of the document D of the Figure 1 .
  • the document 100 or 100' particularly comprises a matrix of colored sub-pixels 101, for example a transparent or opaque layer on which colored elements have been printed, each forming colored sub-pixels.
  • the matrix of colored sub-pixels comprises sub-pixels having three possible colors, cyan sub-pixels SB, magenta sub-pixels SM, and yellow sub-pixels SJ.
  • CMY Cyan Magenta Yellow
  • the invention is not limited to this color model and can also use a model such as the RGB model (“Red Green Blue” in English). Of course, other color triplets that differ from CMY and RGB can be used.
  • the subpixels are arranged in a matrix which will be described in more detail with reference to the Figure 6 or to the Figure 7 . It can nevertheless be noted that a PM pattern of three sub-pixels SB, SM, and SJ is repeated several times in the section visible on the Figures 2a to 5d .
  • the documents 100 and 100' also optionally comprise a transparent layer 103, for example made of polycarbonate, and a transparent layer 104, for example made of polycarbonate. These two layers may be protective layers. The transparency of these protective layers makes it possible to observe the document 100 or 100' from its front face or its back face while viewing information present on one or other of the faces.
  • a metal layer 102 was assembled above the colored subpixel matrix.
  • a metal layer 102 was assembled below the matrix of colored sub-pixels.
  • This layer can be chosen so that perforations can be formed in this layer easily, for example by applying a laser beam with a given wavelength called the perforation wavelength.
  • This layer 102 may consist of a reflective opaque metallic film, this metallic film being able for example to be produced by deposition of a metallic ink.
  • a security document comprising a stack of layers comprising a matrix of colored sub-pixels, a metallic layer adjacent to at least a portion of a face of the matrix of sub-pixels colored, in which the metal layer has perforations facing sub-pixels of the colored sub-pixel matrix.
  • the documents 100 or 100' may be a representation of the document D of the Figure 1 .
  • Documents 1000 and 1000' differ respectively from documents 100 and 100' in that the metal layer 102' is positioned on or under a portion, or window, of the document 1000 or 1000' and does not cover the entire matrix of colored sub-pixels 101. According to certain embodiments, this metal layer 102' may be deposited on or under several portions or windows of the document D.
  • FIGS. 4a and 4b show document 1000' after a step in which perforations are formed in the metal layer 102' has been implemented. This step may include the application of a laser beam at the perforation wavelength. It should be noted that the Figures 4a and 4b relate to documents 1000 and 1000', or to the positioning of the metal layer on a part of the sub-pixel matrix as represented by the Figures 3a and 3b but that of course this also applies to documents 100 and 100' as represented in Figures 2a and 2b .
  • a metal layer is present below a yellow SJ subpixel, below an adjacent yellow SJ subpixel and a magenta SM subpixel, and then below an adjacent yellow SJ subpixel and a magenta SM subpixel.
  • this metallic layer above or below certain colored sub-pixels makes it possible to accentuate the brightness and contrast of the image formed by the colored sub-pixels.
  • a colored image appears when looking at the document 1000 or 1000', with brighter colors than in the techniques according to the prior art. It is possible note that the combination of patterns and perforations forms image pixels, but, as will be described below, those obtained after the optional laserization step are called pixels. It is understood that the combination of the perforated metal layer 102' makes it possible to obtain a very wide color gamut, in particular for the brightest colors.
  • FIG. 5a represents a sectional view of the security document 1000 when illuminated from its rear face.
  • the back face of the document 1000 is exposed to a light source and more particularly the window F.
  • the yellow component is no longer present in the pixel viewed on the front face and the combination of the adjacent cyan and magenta sub-pixels gives a blue color whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F.
  • the yellow and magenta components are no longer present in the pixel viewed on the front face and the combination of the adjacent cyan and yellow sub-pixels gives a green color whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F. This is also accentuated by the presence of the metal layer above the magenta sub-pixel located to the right of the window.
  • FIG. 5b represents a sectional view of the security document 1000 when illuminated from its front face.
  • the front face of the document 1000 is exposed to a light source and more particularly the window F.
  • the combination of the cyan and magenta sub-pixels located between these two yellow sub-pixels gives a pixel whose brightness is modified by this non-reflection of light on the yellow sub-pixels surrounding them and gives a blue brightness with gray levels, NVG, the presence of gray being due to the gray color of the metallic layer present on the adjacent yellow sub-pixels.
  • the combination of the cyan and yellow sub-pixels located between these two magenta sub-pixels gives a pixel whose brightness is modified by this non-reflection of light on the magenta sub-pixels framing them and gives a green brightness with gray levels, NVG, the presence of gray being due to the gray color of the metallic layer present on the adjacent yellow sub-pixels.
  • FIG. 5c represents a sectional view of the security document 1000' when illuminated from its rear face.
  • the back of the 1000' document is exposed to a light source, and more specifically window F.
  • the yellow component is no longer present in the pixel viewed on the front face and the combination of the adjacent cyan and magenta sub-pixels gives a blue color whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F.
  • the yellow and magenta components are no longer present in the pixel viewed on the front face and the combination of the adjacent cyan and yellow sub-pixels gives a green color whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F. This is also accentuated by the presence of the metallic layer above the magenta sub-pixel located to the right of the window.
  • the color rendering of the Figures 5a And 5c is the same.
  • FIG. 5d represents a sectional view of the security document 1000' when illuminated from its front face.
  • the front face of document 1000' is exposed to a light source and more specifically window F.
  • the adjacent sub-pixel on the right lets the light pass (because the layer 102' is perforated under the magenta sub-pixel) and thus a predominance of the yellow color is observed compared to the other sub-pixels.
  • the observed color is a yellow whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F.
  • These two yellow and magenta sub-pixels being surrounded by blue sub-pixels under which the layer 102' is perforated, these two blue sub-pixels let the light pass.
  • the yellow and magenta components have an increased reflectivity compared to the adjacent blue sub-pixels and thus, a predominance of the red color (combination of yellow and magenta) is observed.
  • the observed color is a red whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F.
  • the metallic layer 102' present below the third magenta sub-pixel from the left of the window F increases the reflection of this sub-pixel because the light can no longer pass through. This is accentuated by the fact that the layer 102' is perforated below the yellow sub-pixel adjacent to the left of the magenta sub-pixel.
  • the observed color is a magenta whose luminance and contrast are accentuated compared to the prior art or compared to the pixels located outside the window F.
  • FIGS. 5a to 5d illustrate that the perforated metal layer advantageously makes it possible to obtain modified colors and in particular a contrast and a enhanced brightness.
  • this perforated metal layer makes it possible to expand the color gamut obtained by the sub-pixel matrix in the absence of the perforated metal layer.
  • this document generally comprises, on a surface V of the document, an image representative of the face of the holder of the document.
  • this image may be desired to reproduce, in a window F of smaller dimension than the surface V, this image with a larger color gamut.
  • the present invention can advantageously allow this reproduction.
  • the presence of this portrait in the window F improves the security of the document by making it more difficult to falsify.
  • the rendering of colors being different in transmission or reflection of light on the document this falsification is made even more complex.
  • this window F it may also be desired to represent in this window F, an image or information already represented in one or more parts of the document, for example with a rotation of this information in the window F in relation to their orientation in the other part of the document.
  • the metal layer may be located above the pixel matrix in one or more windows of the document and below the pixel matrix in one or more windows of the document. This further enhances the security of the document by making it more complex to manufacture.
  • the metal layer may be partially demetallized beforehand to promote adhesion of the layers and make the document more resistant. A demetallization of around 2% of the metal layer may be sufficient to achieve this goal.
  • the transparency of the protective layers 103 and 104 in the different embodiments illustrated above can allow the information contained in the window(s) F to be viewed on both sides of the document.
  • the visual rendering can also be different depending on whether the document is viewed from its front face or from its back face.
  • the presence of transparent layers below and above the assembly formed by the pixel matrix and the metallic layer allows this visual rendering.
  • the presence of transparent layers on the other parts of the document or on all other parts of the document is optional, at least on both sides.
  • the window includes a part, modified or not, of content reproduced on another part of the document, then it is necessary that this other part be visible and that the document therefore also includes a transparent layer at the level of this part so that this content is visible when observing at least one of the two sides of the document.
  • FIG. 6 a top view of a first example of the colored sub-pixel matrix 101 is shown.
  • colored lines are aligned in groups of three colors, or three lines.
  • FIG. 7 a top view of a second example of the colored subpixel matrix 101 is shown.
  • colored sub-pixels are arranged in the form of a mosaic by alternating in each row and each column the cyan, magenta and yellow colored sub-pixels.
  • Other examples of sub-pixel matrix are of course conceivable within the scope of the present invention according to the appended claims.
  • Examples of arrangement of the figures 6 And 7 are given as an example of a representation of the arrangement of the subpixel matrix and can be used in the subpixel matrices shown in the figures 1 to 5 .

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Powder Metallurgy (AREA)

Claims (10)

  1. Sicherheitsdokument (D, 100, 100', 1000, 1000'), das einen Schichtstapel, der eine Matrix (101) aus farbigen Subpixeln (SB, SM, SJ) enthält, und eine Metallschicht (102, 102') umfasst, die an mindestens einen Teil einer Seite der Matrix (101) aus farbigen Subpixeln (SB, SM, SJ) angrenzt, wobei die Metallschicht (102, 102') Perforationen gegenüber Subpixeln der Matrix (101) aus farbigen Subpixeln enthält, wobei das Dokument dadurch gekennzeichnet ist, dass ein Bild, das in mindestens einem ersten Fenster des Dokuments (D, 100, 100', 1000, 1000') angezeigt wird, das sich gegenüber mindestens einem Bereich befindet, der die Metallschicht (102, 102') nicht umfasst, mindestens teilweise in einem zweiten Fenster (F) des Dokuments (D, 100, 100', 1000', 1000') wiedergegeben wird, wobei sich das zweite Fenster (F) gegenüber einem Bereich befindet, der die Metallschicht (102, 102') umfasst.
  2. Dokument nach Anspruch 1, wobei die Metallschicht oberhalb der Matrix aus farbigen Subpixeln positioniert ist.
  3. Dokument nach einem der vorhergehenden Ansprüche, wobei die Metallschicht unterhalb der Matrix aus farbigen Subpixeln positioniert ist.
  4. Dokument nach einem der vorhergehenden Ansprüche, wobei die Metallschicht zuvor teilweise entmetallisiert wird, so dass sie mit der oder den Schichten, zwischen denen sie eingefügt ist, haftet.
  5. Dokument nach einem der vorhergehenden Ansprüche, wobei die perforierte Metallschicht so perforiert ist, dass das in dem zweiten Fenster angezeigte Bild eine andere visuelle Darstellung aufweist, je nachdem, ob das Dokument von der Vorderseite oder von der Rückseite beleuchtet wird.
  6. Verfahren zum Herstellen eines Sicherheitsdokuments (D, 100, 100', 1000, 1000'), in dem eine Matrix (101) aus farbigen Subpixeln (SB, SM, SJ) mit einer Metallschicht (102, 102') verbunden wird, die an mindestens einen Teil einer Seite der Matrix (101) aus farbigen Subpixeln angrenzt, wobei das Verfahren ferner das Bilden von Perforationen durch die Metallschicht (102, 102') gegenüber Subpixeln der Matrix aus farbigen Subpixeln (SB, SM, SJ) umfasst, wobei das Verfahren dadurch gekennzeichnet ist, dass mindestens teilweise ein Bild, das in mindetens einem ersten Fenster des Dokuments (D, 100, 100', 1000, 1000') angezeigt wird, das sich gegenüber mindestens einem Bereich befindet, der die Metallschicht (102, 102') nicht umfasst, in einem zweiten Fenster (F) des Dokuments wiedergegeben wird, wobei sich das zweite Fenster (F) gegenüber einem Bereich befindet, der die Metallschicht (102, 102') umfasst.
  7. Herstellungsverfahren nach Anspruch 6, wobei die Metallschicht oberhalb der Matrix aus farbigen Subpixeln positioniert ist.
  8. Herstellungsverfahren nach einem der Ansprüche 6 oder 7, wobei die Metallschicht unterhalb der Matrix aus farbigen Subpixeln positioniert ist.
  9. Herstellungsverfahren nach einem der Ansprüche 6 bis 8, wobei die Metallschicht zuvor teilweise entmetallisiert wird, so dass sie mit der oder den Schichten, zwischen denen sie eingefügt ist, haftet.
  10. Herstellungsverfahren nach einem der Ansprüche 6 bis 9, wobei das Bilden von Perforationen durch Lasern der Metallschicht erreicht wird.
EP23200582.7A 2022-11-23 2023-09-28 Sicherheitsdokument mit einer perforierten metallischen schicht und einer farbigen subpixel-matrix und herstellungsverfahren Active EP4375083B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2212224A FR3142123B1 (fr) 2022-11-23 2022-11-23 Document de sécurité comprenant une couche métallique perforée adjacente à au moins une partie d’une face d’une matrice de sous-pixels colorés et procédé de fabrication.

Publications (3)

Publication Number Publication Date
EP4375083A1 EP4375083A1 (de) 2024-05-29
EP4375083B1 true EP4375083B1 (de) 2025-04-23
EP4375083B8 EP4375083B8 (de) 2025-06-04

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EP23200582.7A Active EP4375083B8 (de) 2022-11-23 2023-09-28 Sicherheitsdokument mit einer perforierten metallischen schicht und einer farbigen subpixel-matrix und herstellungsverfahren

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972553B1 (fr) 2011-03-10 2013-03-15 Jean Pierre Lazzari Procede de realisation d'une image laser couleur retro eclairee, document identitaire mettant en oeuvre ce procede et systeme de retro eclairage
DE102014217002A1 (de) * 2014-08-26 2016-03-03 Bundesdruckerei Gmbh Farbige Lasergravur
FR3055112B1 (fr) * 2016-08-19 2018-09-07 Oberthur Technologies Document de securite comprenant une couche laserisable et un motif a eclairer pour colorer une image en niveaux de gris, et procedes de fabrication et de lecture correspondants.
DE102017118579A1 (de) * 2017-08-15 2019-02-21 Leonhard Kurz Stiftung & Co. Kg Dokument, Verfahren zur Herstellung eines Dokuments sowie eine Vorrichtung zur Durchführung eines Verfahrens
FR3116761B1 (fr) * 2020-11-30 2024-02-09 Idemia France Image personnalisée formée à partir d’une couche métallique et d’un réseau lenticulaire

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FR3142123A1 (fr) 2024-05-24
FR3142123B1 (fr) 2025-02-28
EP4375083B8 (de) 2025-06-04
EP4375083A1 (de) 2024-05-29

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