EP1697146A2 - Datenträger mit mittels laserstrahl eingeschriebenen kennzeichnungen und verfahren zu seiner herstellung - Google Patents
Datenträger mit mittels laserstrahl eingeschriebenen kennzeichnungen und verfahren zu seiner herstellungInfo
- Publication number
- EP1697146A2 EP1697146A2 EP04803402A EP04803402A EP1697146A2 EP 1697146 A2 EP1697146 A2 EP 1697146A2 EP 04803402 A EP04803402 A EP 04803402A EP 04803402 A EP04803402 A EP 04803402A EP 1697146 A2 EP1697146 A2 EP 1697146A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- data carrier
- markings
- recording layer
- carrier according
- laser
- 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.)
- Granted
Links
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
- B42D25/40—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
- 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
-
- 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
- B42D25/23—Identity cards
-
- B42D2033/24—
Definitions
- the invention relates to a data carrier in which markings in the form of patterns, letters, numbers and / or images are introduced by a laser beam, which are visible due to local changes in the optical properties of the data carrier caused by the laser beam and resulting from material conversions.
- ID cards such as ID cards, credit cards, bank cards and the like
- ID cards are being used to an increasing extent in various service sectors, but also in the internal area.
- the large number of types of ID cards available is testimony to the numerous efforts and the various suggestions as to how these conflicting requirements can be combined in a suitable manner.
- a multilayer identification card is known from the German patent DE 31 51 407 CI, which is equipped with a plastic film as the recording medium.
- the plastic film appears completely transparent in the visible wavelength range, but absorbs so strongly at the wavelength of an infrared laser used to write information that the film is locally blackened by the action of the laser beam. This allows images and / or data to be written into the plastic film with good resolution.
- the ID card of DE 31 51 407 CI offers a high level of security against forgery, there is a need to expand the visual design options of such cards and to further complicate the forgery or forgery of the cards by introducing new or additional security features.
- Another difficulty is that visual inspection of a hologram requires good lighting conditions. Even with the diffuse room lighting prevailing in banks, shops or companies, the holographic effects are often difficult or impossible to detect. Even with so-called decoration materials, metallic reflective or slightly iridescent surfaces are generated, so that the structures formed with such decoration materials can be confused with real holograms by laypersons under unfavorable lighting conditions.
- the object of the invention is to expand the visual design options of a laser-inscribed data carrier, and in particular to incorporate features which are not reproducible photographically or xerographically and which can be recognized even under unfavorable lighting conditions.
- a generic data carrier comprises a laser-sensitive recording layer which is transparent in the visible spectral range and which is provided with a surface relief in the form of a lenticular screen.
- the markings are introduced into the recording layer with the laser beam from different directions through the lenticular grid and are recognizable when viewed from the same directions.
- the data carrier is transparent, at least in the area of the introduced markings.
- the markings are introduced through the lenticular screen into the underlying recording layer.
- the laser beam is held at different, predetermined angles to the plane of the lens grid, so that when the laser radiation passes through the lenses, different areas of the recording layer are modified, usually blackened.
- the markings introduced in this way can essentially only be recognized from the angle at which they were introduced.
- the size of the angular range under which an identification is visible depends on the size of the modified area and can be set, for example, via the pulse energy of the laser beam.
- the data carrier can thus be provided with two or more different markings which cannot be reproduced photographically or xerographically, since the entire information written in can never be recognized from a certain viewing angle.
- the markings visible due to the local changes in the optical properties of the data carrier may be additionally or exclusively recognizable in transmitted light, i.e. regardless of whether you are viewing the front or back or only when viewing from one side.
- the laser beam can, for example, also cause a local change in the refractive index or a change in the polarization direction of the transparent recording layer, so that the inscribed identification in reflected light, that is to say when viewed from the front ( Lens side) is practically invisible.
- Visually appealing authenticity features can thus be introduced into data carriers which, together with the preferably specific information content, give it a high degree of security against forgery.
- the lenticular grid comprises cylindrical lenses and / or spherical lenses.
- the axis of the cylindrical lenses can be straight or swing, parallel or at a certain angle to the outer edges of the disk.
- the drawing layer can be part of a transparent main body of the data carrier or alternatively can be formed by a separate layer.
- the recording layer is formed according to a further development of the invention by a non-self-supporting layer with a thickness of particularly preferably from approximately 1 ⁇ m to approximately 50 ⁇ m, for example a plastic film made of polycarbonate or polyester doped at least in some areas.
- the drawing layer is preferably arranged in the interior of the data carrier.
- the thickness of the layer depends, among other things, on the material, the lens geometry and the type of application and preferably varies between 1 to 800 ⁇ m.
- the layer can consist of PVC, PC, polyester and compounds thereof.
- the markings can include personal data, such as a signature, a date of birth, a portrait or the like, but also or additionally, data relating to a data carrier, such as a period of validity, a card number, details of the issuing authority or institute or the like.
- Rasterized markings are particularly suitable for laser inscription, the raster elements preferably being formed by rod-shaped pixels. The individual raster elements can then be generated in a controlled manner by pulsed irradiation of the recording layer, for example with an Nd: Y AG laser, an Nd: glass laser or even a longer-wave CO 2 laser.
- the identifications recognizable from different directions are expediently nested in the recording layer.
- the information content is separated from the viewing directions corresponding to the recording directions, since the lenticular screen shows the viewer only the part of the markings assigned to the viewing direction. This makes it practically impossible to reproduce the information written in the printing process, since precise alignment with a later applied lens grid is not possible with the required accuracy.
- the drawing layer and the lens grid are arranged in or on a transparent main body of the data carrier.
- the data carrier can of course have further black and white or colored imprints and / or further laser inscriptions.
- the data carrier can also be provided with one or more further security features, in particular luminescent, magnetic or electrical substances, or optically variable structures, such as holographic structures.
- the transparent recording layer is integrated into the main body as an implant or as part of a transparent implant.
- it makes sense to physically link the implant to the main body.
- This is possible, for example, by means of a lenticular grid which is larger than the transparent implant and at least partially overlaps the implant like the main body.
- the implant and the main body each have a recording layer, which adjoin one another, for example, so that the implant and card body are inseparably connected with one and the same personalization, for example an image.
- it is a banknote which is equipped on the one hand with the recording layer according to the invention with a lenticular screen and on the other hand has a specific printed image.
- the drawing layer with a lenticular grid and the printed image are arranged on the banknote in such a way that they can be folded over one another and the marks inscribed in the drawing layer complement the printed image to provide overall information.
- the data carrier preferably represents a document of value, such as a banknote, an identification card or the like.
- the data carrier represents a security element for application to a document of value, such as a banknote, an identification card or the like.
- the invention also includes a document of value, such as a bank note, identity card or the like, with a document substrate of value with a window area or hole which is covered on one side or on both sides with a security element of the type mentioned. Since the security element is transparent according to the invention, the inscriptions can be read through the window area or the hole in the security in transmitted light.
- a document of value such as a bank note, identity card or the like
- the laser-sensitive recording layer which is transparent in the visible spectral range, is first provided with the surface relief in the form of a lens grid and subsequently the markings with the laser beam are passed through the lens grid from different directions in a transparent area of the data carrier the on the drawing layer brings so that the markings can be seen from the same directions when looking at the data medium later.
- the markings are preferably introduced in a raster process, the raster elements preferably being formed by rod-shaped pixels. Pulsed laser radiation is particularly well suited for generating such raster elements.
- FIG. 1 is a plan view of a transparent identification card according to an embodiment of the invention in a schematic representation
- Fig. 2 is a sectional view of the ID card of Fig. 1 along the line II-II, and
- FIG. 3 shows a section through a banknote with a punched-out opening, which is covered with a security element according to an exemplary embodiment of the invention.
- the identification card 10 contains a portrait 12 of the cardholder and further personal data 14, in Example of the first and last name of the owner.
- the identity card can contain further data 16, such as date of birth, nationality, issuing authority, date of issue and the like.
- a laser tilt image is arranged in a partial area 18 of the identification card 10 and contains two different pieces of information, which are inscribed by means of a laser beam, in the exemplary embodiment the signature of the holder 20 and the date of validity of the card 22.
- the two pieces of information 20 and 22 cannot be recognized when looking at the identification card 10 at the same time, but only by tilting the card 10 at a different tilt angle.
- the identification card 10 contains a transparent card body 24 and a laser-sensitive recording layer 26 which is also transparent in the visible spectral range.
- the recording layer 26 can be a partial area of the card body 24 or a separate layer.
- the drawing layer 26 is provided with a surface relief in the form of a lenticular grid 28, which in the exemplary embodiment consists of a plurality of parallel cylindrical lenses.
- the personal information 20 and 22 introduced into the laser tilt image is only written into the recording layer 26 after the lens grid 28 has been applied by means of a pulsed infrared laser.
- the laser beam is directed from different directions 30 and 32 onto the lens grid 28.
- the individual cylindrical lenses focus the lens Depending on the direction of irradiation, the beam of light strikes different small subregions 34 or 36 of the recording layer.
- the optical properties of the recording layer 26 are changed locally by the action of the laser radiation, for example the layer is locally blackened.
- the blackened sub-areas 34 can be seen precisely because of the focusing effect of the cylindrical lenses, which are composed for the viewer to form an image, in the exemplary embodiment of the inscription 20 inscribed.
- the partial areas 36 inscribed from this direction can be seen from the viewing direction 32 and compose an image of the validity date 22 for the viewer.
- the identification card 10 can have additional layers, for example one or more protective layers or functional layers provided with other security elements. It is only necessary to maintain the transparency of the data carrier 10 in the area of the inscribed markings 20, 22. These further layers are not essential for the present invention and are therefore neither shown in the figures nor described in detail.
- FIG. 3 shows a bank note 40 with a continuous punched opening 42.
- the opening 42 is completely covered on the front side of the banknote 40 with a transparent security element 44 according to the invention.
- the security element 44 has a transparent main body 46 and a recording layer 48 which is transparent in the visible spectral range and into which, as described above, information was written by means of a laser beam which, for example, contains a serial number of the bank note.
- the recording layer 48 is covered by a lenticular grid 50, which in the exemplary embodiment consists of a plurality of spherical lenses which are embossed into the transparent main body 46.
- the recording layer 48 Due to the effect of the laser radiation, the recording layer 48 is blackened in some places, while the remaining areas of the recording layer 48 remain transparent.
- the registered serial number can therefore be read from the corresponding viewing direction both from above and through the opening 42 of the banknote 40 from the back.
- the tilting effect disappears when the banknote is reproduced photographically or xerographically.
- the laser radiation can also be used only for a local change in the refractive index or the direction of polarization of the recording layer. This further complicates an adjustment of the security element 44.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10358784A DE10358784A1 (de) | 2003-12-12 | 2003-12-12 | Datenträger mit mittels Laserstrahl eingeschriebenen Kennzeichnungen und Verfahren zu seiner Herstellung |
PCT/EP2004/013634 WO2005058610A2 (de) | 2003-12-12 | 2004-12-01 | Datenträger mit mittels laserstrahl eingeschriebenen kennzeichnungen und verfahren zu seiner herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1697146A2 true EP1697146A2 (de) | 2006-09-06 |
EP1697146B1 EP1697146B1 (de) | 2012-02-15 |
Family
ID=34672782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04803402A Revoked EP1697146B1 (de) | 2003-12-12 | 2004-12-01 | Datenträger mit mittels laserstrahl eingeschriebenen kennzeichnungen und verfahren zu seiner herstellung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8006908B2 (de) |
EP (1) | EP1697146B1 (de) |
AT (1) | ATE545518T1 (de) |
DE (1) | DE10358784A1 (de) |
ES (1) | ES2379632T3 (de) |
WO (1) | WO2005058610A2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005039320A1 (de) * | 2005-08-19 | 2007-02-22 | Giesecke & Devrient Gmbh | Kartenförmiger Datenträger |
ES2285938B1 (es) * | 2006-05-11 | 2008-08-16 | Damian Vidal Mira | Calendario lenticular. |
DE102006025334A1 (de) * | 2006-05-31 | 2007-12-06 | Giesecke & Devrient Gmbh | Refraktives Durchsichtssicherheitselement |
DE102006032234A1 (de) * | 2006-07-12 | 2008-01-17 | Tesa Scribos Gmbh | Verfahren zum Aufbringen eines Sicherheitsmerkmals auf ein Sicherheitsdokument sowie Sicherheitsdokument mit einem Sicherheitsmerkmal |
PT2050574E (pt) * | 2007-09-27 | 2009-11-17 | Foba Technology & Services Gmb | Dispositivo e processo para gravar uma estrutura de imagem variável |
DE102007049512B4 (de) | 2007-10-15 | 2010-09-30 | Ovd Kinegram Ag | Mehrschichtkörper sowie Verfahren zur Herstellung eines Mehrschichtkörpers |
DE102009006301A1 (de) * | 2009-01-27 | 2010-07-29 | Giesecke & Devrient Gmbh | Optisch variables Sicherheitselement |
AU2010234215B2 (en) * | 2009-04-06 | 2014-04-10 | Reserve Bank Of Australia | Security document with an optically variable image and method of manufacture |
FR2948218B1 (fr) | 2009-07-17 | 2011-11-11 | Arjowiggins Security | Element de securite a effet de parallaxe |
FR2948216B1 (fr) | 2009-07-17 | 2011-11-25 | Arjowiggins Security | Element de securite a effet de parallaxe |
FR2948217B1 (fr) | 2009-07-17 | 2011-11-11 | Arjowiggins Security | Element de securite a effet de parallaxe |
FR2952193B1 (fr) | 2009-10-30 | 2012-04-20 | Arjowiggins Security | Element de securite comportant un adhesif et un substrat portant une structure optique, et procede associe. |
FR2952194B1 (fr) | 2009-10-30 | 2012-04-20 | Arjowiggins Security | Element de securite comportant un substrat portant une structure optique et un motif de reference, et procede associe. |
DE102010031713A1 (de) | 2010-07-21 | 2012-01-26 | Giesecke & Devrient Gmbh | Optisch variables Sicherheitselement mit Kippbild |
US8693101B2 (en) * | 2010-12-07 | 2014-04-08 | Travel Tags, Inc. | Lens sheet having lens array formed in pre-selected areas and articles formed therefrom |
FR2972136B1 (fr) * | 2011-03-01 | 2013-03-15 | Jean Pierre Lazzari | Procede de realisation d'image couleur laser observable en trois dimensions et document sur lequel une image laser couleur observable en trois dimensions est realisee |
AT511056B1 (de) * | 2011-03-07 | 2012-09-15 | Swarovski D Kg | Lasermarkierter gegenstand |
DE102012204340A1 (de) * | 2012-03-19 | 2013-09-19 | Bundesdruckerei Gmbh | Sicherheitsdokument mit einem Perforationsfenster und Verfahren zu dessen Herstellung |
DE102012204341A1 (de) * | 2012-03-19 | 2013-09-19 | Bundesdruckerei Gmbh | Verfahren zur Herstellung eines Sicherheitsverbundkörpers und Sicherheitsverbundkörper mit innenliegender brechender Struktur |
KR101981833B1 (ko) | 2012-04-25 | 2019-05-23 | 비쥬얼 피직스 엘엘씨 | 합성 이미지의 집합을 투사하기 위한 보안 장치 |
US10088801B2 (en) * | 2012-07-20 | 2018-10-02 | Hazen Paper Company | Freeform holographic imaging apparatus and method |
DE102012215475A1 (de) * | 2012-08-31 | 2014-03-06 | Bundesdruckerei Gmbh | Sicherheitsdokument mit mehrfarbigem und zweiseitigem Sicherheitsmerkmal |
NL2010045C2 (en) | 2012-12-21 | 2014-06-24 | Morpho B V | Identity document comprising a ghost image based on a two- dimensional image. |
DE102013021965A1 (de) | 2013-12-20 | 2015-06-25 | Giesecke & Devrient Gmbh | Sicherheitsdokument sowie Verfahren zum Herstellen eines Sicherheitsdokuments |
CN106660383B (zh) | 2014-07-15 | 2019-09-03 | 凸版印刷株式会社 | 树脂制片材及小册子 |
EP3037274B1 (de) * | 2014-12-22 | 2018-11-21 | Agfa-Gevaert | Lasermarkierbare Sicherheitsartikel und Dokumente und Verfahren zur Herstellung von Bildern in solchen Sicherheitsartikeln |
MA43350A (fr) * | 2015-10-02 | 2018-08-08 | De La Rue Int Ltd | Dispositif de sécurité |
DE102016203609A1 (de) | 2016-03-04 | 2017-09-07 | Bundesdruckerei Gmbh | Sicherheitsgegenstand mit dynamischem und statischem Fenstersicherheitsmerkmal und Verfahren zur Herstellung |
US10479128B2 (en) * | 2017-10-27 | 2019-11-19 | Assa Abloy Ab | Security feature |
DE102019000739A1 (de) * | 2019-02-01 | 2020-08-06 | Giesecke+Devrient Mobile Security Gmbh | Identifikationsdokument mit biometrischer Bildinformation |
DE102021002225A1 (de) * | 2021-04-27 | 2022-10-27 | Giesecke+Devrient Mobile Security Gmbh | Sicherheitsmerkmal für ein Wertdokument, Wertdokument und Verfahren zur Herstellung eines Sicherheitsmerkmals |
DE102022000858A1 (de) * | 2022-03-11 | 2023-09-14 | Veridos Gmbh | Identifikationsdokument und Herstellungsverfahren |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2838795A1 (de) * | 1978-09-06 | 1980-03-20 | Hoechst Ag | Identifikationskarte |
DE3151407C1 (de) | 1981-12-24 | 1983-10-13 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Ausweiskarte und Verfahren zu deren Herstellung |
DE3687560D1 (de) | 1985-10-15 | 1993-03-04 | Gao Ges Automation Org | Datentraeger mit einem optischen echtheitsmerkmal sowie verfahren zur herstellung und pruefung des datentraegers. |
GB9309673D0 (en) * | 1993-05-11 | 1993-06-23 | De La Rue Holographics Ltd | Security device |
DE19749789A1 (de) | 1997-11-11 | 1999-05-12 | Bundesdruckerei Gmbh | Sicherheitsmerkmal für ein Wert- oder Sicherheitsdokument mit fraktalem Lamellensystem |
US6073854A (en) * | 1998-05-21 | 2000-06-13 | Lti Corporation | Telephone card or the like using lenticular lens material |
US6817530B2 (en) * | 2001-12-18 | 2004-11-16 | Digimarc Id Systems | Multiple image security features for identification documents and methods of making same |
US6853412B2 (en) * | 2002-02-28 | 2005-02-08 | Eastman Kodak Company | Transaction card with memory and polymer dispersed cholesteric liquid crystal display |
-
2003
- 2003-12-12 DE DE10358784A patent/DE10358784A1/de not_active Ceased
-
2004
- 2004-12-01 US US10/582,125 patent/US8006908B2/en not_active Expired - Fee Related
- 2004-12-01 WO PCT/EP2004/013634 patent/WO2005058610A2/de active Application Filing
- 2004-12-01 EP EP04803402A patent/EP1697146B1/de not_active Revoked
- 2004-12-01 ES ES04803402T patent/ES2379632T3/es active Active
- 2004-12-01 AT AT04803402T patent/ATE545518T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2005058610A2 * |
Also Published As
Publication number | Publication date |
---|---|
US20070063053A1 (en) | 2007-03-22 |
EP1697146B1 (de) | 2012-02-15 |
DE10358784A1 (de) | 2005-07-14 |
ATE545518T1 (de) | 2012-03-15 |
WO2005058610A3 (de) | 2006-02-09 |
ES2379632T3 (es) | 2012-04-30 |
WO2005058610A2 (de) | 2005-06-30 |
US8006908B2 (en) | 2011-08-30 |
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