EP1384594B1 - Schutz vor Datenverfälschung - Google Patents

Schutz vor Datenverfälschung Download PDF

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Publication number
EP1384594B1
EP1384594B1 EP02102062A EP02102062A EP1384594B1 EP 1384594 B1 EP1384594 B1 EP 1384594B1 EP 02102062 A EP02102062 A EP 02102062A EP 02102062 A EP02102062 A EP 02102062A EP 1384594 B1 EP1384594 B1 EP 1384594B1
Authority
EP
European Patent Office
Prior art keywords
data
ink
printed
feature
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.)
Expired - Lifetime
Application number
EP02102062A
Other languages
English (en)
French (fr)
Other versions
EP1384594A1 (de
Inventor
François Veldeman
Marc Salade
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.)
BANQUE NATIONALE DE BELGIQUE SA
Original Assignee
BANQUE NATIONALE DE BELGIQUE SA
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 BANQUE NATIONALE DE BELGIQUE SA filed Critical BANQUE NATIONALE DE BELGIQUE SA
Priority to DE60219455T priority Critical patent/DE60219455T2/de
Priority to AT02102062T priority patent/ATE359183T1/de
Priority to ES02102062T priority patent/ES2286200T3/es
Priority to EP02102062A priority patent/EP1384594B1/de
Publication of EP1384594A1 publication Critical patent/EP1384594A1/de
Application granted granted Critical
Publication of EP1384594B1 publication Critical patent/EP1384594B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14Security printing
    • B41M3/144Security printing using fluorescent, luminescent or iridescent effects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • B41M1/10Intaglio printing ; Gravure printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/005Colour cards; Painting supports; Latent or hidden images, e.g. for games; Time delayed images

Definitions

  • the invention relates to devices and methods for preventing the falsification of statements affixed either by printing or manually to a printed document.
  • the type of falsification targeted by the device of the invention is specifically the alteration of initial data, which are replaced by others, which serve the purposes of the fraudster.
  • the documents covered by the present protection system are, in particular, authentic or authenticated documents, checks, traveler's checks, certificates, identity documents, lottery tickets, titles, etc.
  • the substrate on which these documents are printed will therefore go from normal paper to plastic card, through special paper, watermark, etc.
  • fraudsters start from a worthless document (or of lesser value) and alter by scrubbing or scraping some initial data that interferes with them (nominal value of a check, lottery number, name of beneficiary, etc.) to replace them with others.
  • EP 0 184 529 describes the use of an ink absorbing substrate used by the variable data.
  • Another method consists in giving a relief to the surface of the substrate in particular by the process of soft-cutting (intaglio), which forces the fraudsters to further alter the surface of the substrate.
  • An object of the invention is that an attempt at fraud is easily detectable, even to a little exercised.
  • Another object of the invention is the development of a relatively inexpensive method, which can be easily extended to many types of documents.
  • the object of the invention is a device for protecting against falsification of data carried on a printed document in which, at least in a zone intended to affix the variable data, the document comprises at least one raised pattern, obtained by one of the following methods: screen printing, flexography, rotogravure. This relief is due exclusively to the thickness of the ink layer used to form this pattern.
  • the embossed pattern is affixed either above or below the data to be protected.
  • the ink used preferably contains optical effect pigments; the optical effect is advantageously an iridescence or an opalescence.
  • the operation b can be performed after the operation g, the sequence being as follows: a, c, d, e, f, g, b
  • the printing process is preferably selected from the following methods: screen printing, flexography, gravure printing.
  • the polymerization is activated by an energy supply by electromagnetic radiation, selected from the following: infrared, UV, microwave.
  • Fig. 1 shows the effect of scratching in the case of a conventional printed document on flat substrate 8.
  • a "variable datum” 4 also alters an underlying printed pattern 6, leaving a "white zone” that the fraudster is obliged to maintain. make up to conceal the falsification.
  • Fig. 2 shows the effect of scraping in the case of an embossed substrate 9: the fraudster is brought, during scraping, to penetrate the surface of the embossed substrate 9.
  • Fig. 3 shows the result of an attempt to falsify a document protected by the device of the invention.
  • a pattern 10 is superimposed on the data at 4. This pattern 10 appears in relief because it is formed of an ink deposited in a thick layer 12.
  • the data to be protected 4 is closely related to the reason 10 and it is impossible to proceed with selective scraping. Any attempt to falsify automatically causes a three-dimensional destruction of the pattern 10. It is impossible for the fraudster, even if he had an ink comprising pigments reproducing a color comparable to that of the ink used (which is not already not so easy), to restore the effect given by the relief of the ink layer 12 of the device of the invention.
  • an ink containing, in addition to the pigments and a certain quantity of solvents, polymerizable materials ("varnishes", monomers), which is deposited on the appropriate substrate in using a printing process for the transfer of a thick ink layer and the use of large pigments.
  • These methods include, typically, screen printing, flexography and gravure printing.
  • the current practice in printing is that, in order to obtain the maximum optical effect of the pigments dispersed in the ink, the ink layer is as thin as possible, and therefore practically two-dimensional. A thin layer also has the advantage of making scraping more difficult.
  • a dark and opaque pattern is avoided: it is preferable to use a delicate pattern such as a guilloche pattern (typically width of the order of 0.1 to 0.2 mm, equally spaced), more difficult to reproduce, and made with transparent or translucent inks, for example loaded with pigments producing a particular optical effect when they are are viewed from a certain angle, such as iridescence or opalescence.
  • a delicate pattern such as a guilloche pattern (typically width of the order of 0.1 to 0.2 mm, equally spaced), more difficult to reproduce, and made with transparent or translucent inks, for example loaded with pigments producing a particular optical effect when they are are viewed from a certain angle, such as iridescence or opalescence.
  • the apposition of the ink layer has been performed over the data item to be protected 4, the own apposition of which is included in the printing process of the substrate 8.
  • the data to be protected 4 may itself be a piece of data authenticating the document, such as a holographic image, whose mere presence (even if impaired) may be sufficient for an observer who is not very attentive to concluding that a document is authentic.
  • the most typical case is that of a data item written by hand (signature, etc.).
  • the reliefs formed by the thick layer 12 are crushed locally at the time of handwriting.
  • the deletion, as careful as it is, of the data to be protected 4 can not hide the presence of "damaged" reliefs 16, which makes it possible to easily locate a falsified document.

Landscapes

  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (8)

  1. Vorrichtung zum Schutz gegen die Fälschung von Angaben, die in einem Druckdokument, das ein Dokument, ein Druckmotiv, ein Reliefmotiv umfasst, eingetragen sind, dadurch gekennzeichnet, dass mindestens in einem Bereich, der zum Aufbringen der zu schützenden Angaben bestimmt ist, das Dokument mindestens ein Reliefmotiv aufweist, das durch eines der folgenden Verfahren erhalten wird: Siebdruck, Flexografie, Tiefdruck, wobei dieses Relief ausschließlich auf der Dicke der zur Bildung dieses Motivs benutzten Tintenschicht beruht und das Reliefmotiv entweder oberhalb oder unterhalb der zu schützenden Angaben aufgebracht ist.
  2. Schutzvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die benutzte Tinte Pigmente mit optischem Effekt enthält.
  3. Schutzvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der optische Effekt eine Irideszenz ist.
  4. Schutzvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der optische Effekt eine Opaleszenz ist.
  5. Verfahren zum Schutz gegen die Fälschung von Angaben, die in einem Druckdokument eingetragen sind, welches folgende Vorgänge umfasst:
    a) Auswählen eines Substrats
    b) Drucken einer zu schützenden Angabe auf dieses Substrat
    c) Auswählen einer Tinte die ein aktivierbares, polymerisierbares Material enthält
    d) Auswählen eines Druckverfahrens aus den folgenden Verfahren: Siebdruck, Flexografie, Tiefdruck
    e) Drucken eines Motivs mit dieser Tinte anhand dieses Verfahrens
    f) Aktivieren des Polymerisationsbeschleunigers durch Energiezufuhr eigens zu diesem Zweck
    g) Polymerisieren der dicken Tintenschicht.
  6. Verfahren zum Schutz gegen die Fälschung von Angaben, die in einem Druckdokument eingetragen sind, dadurch gekennzeichnet, dass es die folgenden Vorgänge umfasst:
    a) Auswählen eines Substrats
    b) Auswählen einer Tinte, die ein aktivierbares, polymerisierbares Material enthält
    c) Auswählen eines Druckverfahrens aus den folgenden Verfahren: Siebdruck, Flexografie, Tiefdruck
    d) Drucken eines Motivs mit dieser Tinte anhand dieses Verfahrenes
    e) Aktivieren der Polymerisation durch Energiezufuhr eigens zu diesem Zweck
    f) Polymerisieren der dicken Tintenschicht
    g) Drucken einer zu schützenden Angabe auf dieses Substrat.
  7. Verfahren nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass das polymerisierbare Material einen Polymerisationsbeschleuniger umfasst.
  8. Verfahren nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Polymerisation durch eine Energiezufuhr aktiviert wird, die aus folgenden Mitteln ausgewählt wird: Infrarot-, UV-Strahlung, Mikrowellen.
EP02102062A 2002-07-26 2002-07-26 Schutz vor Datenverfälschung Expired - Lifetime EP1384594B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60219455T DE60219455T2 (de) 2002-07-26 2002-07-26 Schutz vor Datenverfälschung
AT02102062T ATE359183T1 (de) 2002-07-26 2002-07-26 Schutz vor datenverfälschung
ES02102062T ES2286200T3 (es) 2002-07-26 2002-07-26 Proteccion contra la falsificacion de datos.
EP02102062A EP1384594B1 (de) 2002-07-26 2002-07-26 Schutz vor Datenverfälschung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02102062A EP1384594B1 (de) 2002-07-26 2002-07-26 Schutz vor Datenverfälschung

Publications (2)

Publication Number Publication Date
EP1384594A1 EP1384594A1 (de) 2004-01-28
EP1384594B1 true EP1384594B1 (de) 2007-04-11

Family

ID=29797289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02102062A Expired - Lifetime EP1384594B1 (de) 2002-07-26 2002-07-26 Schutz vor Datenverfälschung

Country Status (4)

Country Link
EP (1) EP1384594B1 (de)
AT (1) ATE359183T1 (de)
DE (1) DE60219455T2 (de)
ES (1) ES2286200T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2373070C2 (ru) * 2004-06-11 2009-11-20 Кауттуа Пейпер Милл Ой Многослойный защитный материал и способ его изготовления
CN114103504B (zh) * 2021-11-26 2024-05-07 上海美美尚隽印刷有限公司 防伪可溯源隐形码的印刷工艺及印制隐形码的彩盒

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033059A (en) * 1972-07-06 1977-07-05 American Bank Note Company Documents of value including intaglio printed transitory images
CH662989A5 (fr) * 1983-11-16 1987-11-13 De La Rue Giori Sa Papier valeur.
FR2574099B1 (fr) 1984-12-05 1987-02-27 Aussedat Rey Support impression-ecriture infalsifiable
WO1993022146A1 (en) * 1992-04-24 1993-11-11 Francois-Charles Oberthur Group Intaglio printing method and secure document having a variable optical image
GB9806077D0 (en) * 1998-03-20 1998-05-20 Rue De Int Ltd Latent image structure
GB2360250A (en) * 2000-03-17 2001-09-19 Arc Screen Print Ltd Printing whereby different images are discernable at different angles of view

Also Published As

Publication number Publication date
ES2286200T3 (es) 2007-12-01
EP1384594A1 (de) 2004-01-28
DE60219455T2 (de) 2007-12-13
ATE359183T1 (de) 2007-05-15
DE60219455D1 (de) 2007-05-24

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