EP0377160A1 - Document de sécurité comportant un élément de sécurité conducteur de l'électricité - Google Patents
Document de sécurité comportant un élément de sécurité conducteur de l'électricité Download PDFInfo
- Publication number
- EP0377160A1 EP0377160A1 EP89123286A EP89123286A EP0377160A1 EP 0377160 A1 EP0377160 A1 EP 0377160A1 EP 89123286 A EP89123286 A EP 89123286A EP 89123286 A EP89123286 A EP 89123286A EP 0377160 A1 EP0377160 A1 EP 0377160A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security document
- layer
- electrically conductive
- document according
- security
- 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
- 239000004020 conductor Substances 0.000 title 1
- 230000005611 electricity Effects 0.000 title 1
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 41
- 239000000049 pigment Substances 0.000 claims description 17
- 239000004922 lacquer Substances 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 239000004071 soot Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 229920006267 polyester film Polymers 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000012939 laminating adhesive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/02—Testing electrical properties of the materials thereof
- G07D7/023—Measuring conductivity by direct contact
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/916—Fraud or tamper detecting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Definitions
- the invention relates to a security document with an embedded security element in the form of a thread or tape, consisting of a carrier film made of preferably plastic material and a metallic coating.
- security threads It is known to protect security documents, in particular securities, banknotes, identity cards or the like, by embedding so-called security threads against unauthorized copying.
- This embedding in the paper mass of a banknote represents a major obstacle for counterfeiters, since such embedding is only possible in the context of paper production, but not subsequently.
- security threads are used which are characterized by special properties and which can be checked for authenticity by machine and / or visually in the embedded state.
- a common test criterion is e.g. B. electrical conductivity.
- CH-PS 472 081 it is known e.g. B. known to provide banknotes with metal threads that can be checked for electrical conductivity or their behavior on X-rays.
- these metal threads are relatively inflexible and break easily in daily use. The electrical conductivity can thus only be measured in partial areas, but no longer across the entire banknote width.
- the object of the invention is therefore to create a security document with a security thread embedded therein, which is the authenticity of the paper. co-determining, predetermined electrical conductivity, which is retained over the entire length of the thread even under tensile loads, such as occur when embedded in security papers.
- the metallic coating with its particularly high electrical conductivity is supplemented by a second conductive layer.
- This second layer does not have to reach the high conductivity values of the metallic layer, but it should maintain the electrical conductivity after stretching, bending or similar mechanical stress, so that such mechanical stresses on the carrier material and the metallic coatings do not immediately completely interrupt the electrical Create connection.
- Suitable materials for this second electrically conductive layer are e.g. B. soot particles or other electrically conductive pigments, which in a plastic, a lacquer layer, a varnish or, as later in a special embodiment example shown, can also be present in an adhesive layer.
- This layer like the metallic layer, can be made extremely thin, so that the thread - without becoming too thick for embedding in paper - can be provided with further layers which can contain other substances serving for authenticity.
- the thread is preferably constructed such that the metallic coating covers the electrically conductive, pigmented layer on the outside. Due to its reflective properties, this thread is not visible after it has been embedded in paper and when viewed in incident light, since the scattered light penetrating through the paper layer is scattered back through the paper layer in the same way. The thread can therefore also be embedded in the printed image area of the banknote without problems, without interfering with its appearance. The cracks through which the dark pigmented layer underneath is theoretically visible are so small that they cannot be seen with the naked eye. The thread can only be recognized as such in transmitted light.
- two correspondingly thinner carrier films are used for the construction of the thread, which are coated on the inner surfaces of the finished thread with the metallic coating and the second electrically conductive layer. These two foils are then connected to each other by an adhesive layer and then - cut into threads - embedded in the document.
- the metal layer, including the electrically conductive second layer, is adequately protected against mechanical loads by the outer plastic films.
- This film strip also has no tendency to curl because of its symmetrical structure or shows no garland effect, which is extremely disruptive when processing the thread and in particular when embedding it in the paper web.
- a security thread 1 in cross section with a carrier film 2 made of a tear-resistant plastic, preferably polyester, which in the exemplary embodiment shown here is coated on both sides with electrically conductive, metallic layer materials 3 and 4.
- These metallic layers are preferably vapor-deposited aluminum, nickel or chrome layers.
- lacquer layers 5 and 6 respectively, which are coated with electrically conductive pigments, e.g. B. soot particles are offset. Due to the two-sided outer arrangement of the metal coatings 3 and 4, the thread has reflective properties and in this form - completely embedded in paper - is only visible in transmitted light.
- the carrier film can also be provided on one side only with a metal layer and the electrically conductive auxiliary layer.
- FIG. 2 shows a special variant in which two carrier foils 7, 8 are used for thread production, the thickness of which is chosen to be correspondingly smaller. Both foils are provided on one side with a metallic coating 9, 10 in that the foils are vapor-coated with aluminum, nickel, chromium or another metal before they are assembled. Other processes for metallizing plastic films can also be used here (hot stamping processes, sputtering, etc.).
- This adhesive layer 11 also electrically connects the two metal coatings (9, 10) to one another, as a result of which interruptions in one metal layer, which have arisen, for example, due to defects in production, coating, etc., by the opposite Metal coating and the electrical connection via the adhesive layer are compensated in an excellent manner, and such manufacturing errors only contribute to a reduction in the electrical conductivity, but not to a complete interruption of the electrical connection along the thread length.
- the electrically conductive pigments can also be applied together with other pigments, which also serve to identify authenticity (magnetic pigments, etc.), in a separate lacquer layer in or on the thread.
- the layers containing the feature substance are preferably enclosed in a symmetrical structure between two plastic films.
- Such a structure is shown in Fig. 3, wherein the outer transparent plastic films 12, 13 can again consist of polyester. These polyester films are provided on their inner surfaces with a metal coating 14, 15 (aluminum, nickel, chromium, etc.), each of which is followed by a pigmented lacquer layer 16 or 17.
- These pigmented lacquer layers contain e.g. B. magnetic pigments and soot particles.
- the two carrier films coated in this way are connected to one another via a laminating adhesive layer 18.
- electrically conductive foils can also be used come. Such films are such. B. plastic films that are either permeated with an electrically conductive pigment or already have electrically conductive properties due to their molecular structure. These foils are then only to be provided with the metallic coating in order to obtain the desired effect of the high electrical conductivity and the shiny metallic surface, through which the thread is only visible in transmitted light after being embedded in paper.
- the security thread can additionally be printed or coated with a micro script or with luminescent substances, the outer plastic film, as shown in FIGS. 2 and 3, being particularly suitable for the subsequent application of a microprinted image because of its better printability compared to a metal coating Use of luminescent printing inks, if appropriate.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Non-Insulated Conductors (AREA)
- Paper (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Conductive Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3843075A DE3843075C2 (de) | 1988-12-21 | 1988-12-21 | Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement |
DE3843075 | 1989-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0377160A1 true EP0377160A1 (fr) | 1990-07-11 |
EP0377160B1 EP0377160B1 (fr) | 1994-08-03 |
Family
ID=6369746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89123286A Expired - Lifetime EP0377160B1 (fr) | 1988-12-21 | 1989-12-15 | Document de sécurité comportant un élément de sécurité conducteur de l'électricité |
Country Status (5)
Country | Link |
---|---|
US (1) | US5112672A (fr) |
EP (1) | EP0377160B1 (fr) |
AT (1) | ATE109578T1 (fr) |
DE (2) | DE3843075C2 (fr) |
ES (1) | ES2057083T3 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992011142A1 (fr) * | 1990-12-20 | 1992-07-09 | Gao Gesellschaft Fúr Automation Und Organisation Mbh | Fil de securite metallique magnetique avec une ecriture negative |
AT403967B (de) * | 1992-11-18 | 1998-07-27 | Oesterr Nationalbank | Dokument und folienaufbau zur herstellung eines dokumentes |
WO2004111338A1 (fr) * | 2003-06-17 | 2004-12-23 | Hueck Folien Ges.M.B.H | Elements de securite a attributs perceptibles visuellement et lisibles par machine |
EP1500521A2 (fr) * | 2003-07-22 | 2005-01-26 | Hueck Folien Ges.m.b.H | Element de sécurité avec des charactéristiques lisibles par machine et des effets colore |
CN109835084A (zh) * | 2017-11-27 | 2019-06-04 | 吴宁飞 | 新型防伪材料在防伪支付及货币防伪、银行卡等上的应用 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3843077A1 (de) * | 1988-12-21 | 1990-06-28 | Gao Ges Automation Org | Sicherheitselement in form von faeden oder baender zur einbettung in sicherheitsdokumente sowie verfahren zur herstellung und pruefung derselben |
US5449200A (en) * | 1993-06-08 | 1995-09-12 | Domtar, Inc. | Security paper with color mark |
US5599046A (en) * | 1994-06-22 | 1997-02-04 | Scientific Games Inc. | Lottery ticket structure with circuit elements |
US5475205A (en) * | 1994-06-22 | 1995-12-12 | Scientific Games Inc. | Document verification system |
US5471039A (en) * | 1994-06-22 | 1995-11-28 | Panda Eng. Inc. | Electronic validation machine for documents |
IT1275558B (it) * | 1995-07-14 | 1997-08-07 | Mantegazza A Arti Grafici | Foglio di sicurezza in particolare del tipo incorporante un elemento conduttore dell'elettricita' |
DE19718916A1 (de) * | 1997-04-25 | 1998-10-29 | Whd Elektron Prueftech Gmbh | Anwendung und Verfahren zur Prüfung von Kokumenten mit beugungsoptisch wirksamen Sicherheitsschichten |
US5944927A (en) * | 1997-05-29 | 1999-08-31 | The Standard Register Company | Security paper having an embedded security thread and a process for making the security paper |
US5961152A (en) * | 1997-05-29 | 1999-10-05 | The Standard Register Company | Security paper having an embedded and deformed security thread and a process for making the security paper |
FR2771111B1 (fr) * | 1997-11-20 | 1999-12-17 | Arjo Wiggins Sa | Document de securite comportant des particules magnetiques |
US6930606B2 (en) * | 1997-12-02 | 2005-08-16 | Crane & Co., Inc. | Security device having multiple security detection features |
UA52804C2 (uk) * | 1997-12-02 | 2003-01-15 | Текнікал Графікс Сек'Юріті Продактс, Ллс | Магнітний/металевий захисний пристрій (варіанти), спосіб його виготовлення (варіанти), спосіб встановлення його автентичності і металевий захисний пристрій |
NL1008929C2 (nl) * | 1998-04-20 | 1999-10-21 | Vhp Ugchelen Bv | Uit papier vervaardigd substraat voorzien van een geïntegreerde schakeling. |
US6031457A (en) * | 1998-06-09 | 2000-02-29 | Flex Products, Inc. | Conductive security article and method of manufacture |
US6118377A (en) * | 1998-06-09 | 2000-09-12 | Flex Products, Inc. | Conductive security article with detector apparatus |
DE19915440A1 (de) * | 1998-06-16 | 2000-09-28 | Whd Elektron Prueftech Gmbh | Elektrisch leitender Merkmalsstoff |
US7367592B1 (en) * | 1998-06-16 | 2008-05-06 | Whd Elektronische Prueftechnik Gmbh | Marking substance and security markings for testing the authenticity of documents |
DE19928060A1 (de) * | 1999-06-15 | 2000-12-21 | Whd Elektron Prueftech Gmbh | Optisch variables Sicherheitsmerkmal und Verfahren zu seiner Herstellung |
LU90424B1 (fr) * | 1999-07-30 | 2006-06-08 | Cabinet Erman S A R L | Procédé de fabrication de repères de sécurité et repères de sécurité |
CA2386792A1 (fr) | 1999-10-07 | 2001-04-12 | Gerald J. Gartner | Dispositif de securite a regions magnetiques camouflees par un film et procede de fabrication correspondant |
KR100407247B1 (ko) * | 2000-12-29 | 2003-11-28 | 한국조폐공사 | 유색문자 또는 문양을 갖는 은선의 제조방법 및 상기은선을 포함하는 보안 용지 |
WO2002069307A2 (fr) * | 2001-02-23 | 2002-09-06 | Technical Graphics Security Products, Llc | Etiquette de securite comportant un element de securite et procede de fabrication de celle-ci |
DE10111850C2 (de) * | 2001-03-01 | 2003-07-17 | Whd Elektron Prueftech Gmbh | Sicherheitseinrichtung |
DE10111847A1 (de) * | 2001-03-01 | 2002-09-12 | Whd Elektron Prueftech Gmbh | Sicherheitsmerkmale |
JP4813691B2 (ja) * | 2001-06-06 | 2011-11-09 | シチズン電子株式会社 | 発光ダイオード |
DE10131153A1 (de) * | 2001-06-28 | 2003-01-16 | Giesecke & Devrient Gmbh | Sicherheitselement |
US7243951B2 (en) * | 2003-08-19 | 2007-07-17 | Technical Graphics, Inc. | Durable security devices and security articles employing such devices |
CN100342081C (zh) * | 2004-06-30 | 2007-10-10 | 中国印钞造币总公司 | 用于提高纸张安全性的安全线 |
DE102016015559A1 (de) * | 2016-12-27 | 2018-06-28 | Giesecke+Devrient Currency Technology Gmbh | Verfahren und Vorrichtung zum Detektieren eines Sicherheitsfadens in einem Wertdokument |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754267A1 (de) * | 1976-12-07 | 1978-06-08 | Portals Ltd | Sicherheitspapier und verfahren zu seiner herstellung |
FR2417401A1 (fr) * | 1978-02-21 | 1979-09-14 | Integrated Data Corp | Instrument negociable protege contre la fraude |
DE2909731A1 (de) * | 1978-03-15 | 1979-09-20 | Oesterr Nationalbank | Papier, verfahren zur pruefung von papieren und vorrichtung zur durchfuehrung des pruefverfahrens |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB440421A (en) * | 1934-06-23 | 1935-12-23 | Stanley Beaumont Chamberlain | Improvements in or relating to the manufacture of security documents such as bank-notes or paper therefor |
CH472081A (de) * | 1967-04-04 | 1969-04-30 | Tschopp Peter | Waren-, Billett- oder Geldwechselautomat |
DE3446861A1 (de) * | 1984-12-21 | 1986-07-10 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Sicherheitsdokument mit darin eingelagertem sicherheitsfaden und verfahren zur herstellung und echtheitspruefung des sicherheitsdokuments |
-
1988
- 1988-12-21 DE DE3843075A patent/DE3843075C2/de not_active Expired - Lifetime
-
1989
- 1989-12-15 DE DE58908147T patent/DE58908147D1/de not_active Expired - Fee Related
- 1989-12-15 EP EP89123286A patent/EP0377160B1/fr not_active Expired - Lifetime
- 1989-12-15 AT AT89123286T patent/ATE109578T1/de not_active IP Right Cessation
- 1989-12-15 ES ES89123286T patent/ES2057083T3/es not_active Expired - Lifetime
- 1989-12-21 US US07/454,624 patent/US5112672A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754267A1 (de) * | 1976-12-07 | 1978-06-08 | Portals Ltd | Sicherheitspapier und verfahren zu seiner herstellung |
FR2417401A1 (fr) * | 1978-02-21 | 1979-09-14 | Integrated Data Corp | Instrument negociable protege contre la fraude |
DE2909731A1 (de) * | 1978-03-15 | 1979-09-20 | Oesterr Nationalbank | Papier, verfahren zur pruefung von papieren und vorrichtung zur durchfuehrung des pruefverfahrens |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992011142A1 (fr) * | 1990-12-20 | 1992-07-09 | Gao Gesellschaft Fúr Automation Und Organisation Mbh | Fil de securite metallique magnetique avec une ecriture negative |
US5354099A (en) * | 1990-12-20 | 1994-10-11 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Magnetic metallic safeguarding thread with negative writing |
US5599047A (en) * | 1990-12-20 | 1997-02-04 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Magnetic metallic safeguarding thread with negative writing and a method of making same |
AT403967B (de) * | 1992-11-18 | 1998-07-27 | Oesterr Nationalbank | Dokument und folienaufbau zur herstellung eines dokumentes |
US6165592A (en) * | 1992-11-18 | 2000-12-26 | Oesterreichische Nationalbank | Document with doped optical security attribute, layer composite for making same and test device for testing the document for authenticity |
WO2004111338A1 (fr) * | 2003-06-17 | 2004-12-23 | Hueck Folien Ges.M.B.H | Elements de securite a attributs perceptibles visuellement et lisibles par machine |
EP1500521A2 (fr) * | 2003-07-22 | 2005-01-26 | Hueck Folien Ges.m.b.H | Element de sécurité avec des charactéristiques lisibles par machine et des effets colore |
EP1500521A3 (fr) * | 2003-07-22 | 2010-10-13 | Hueck Folien Ges.m.b.H | Element de sécurité avec des charactéristiques lisibles par machine et des effets colore |
CN109835084A (zh) * | 2017-11-27 | 2019-06-04 | 吴宁飞 | 新型防伪材料在防伪支付及货币防伪、银行卡等上的应用 |
Also Published As
Publication number | Publication date |
---|---|
DE3843075C2 (de) | 2003-08-14 |
EP0377160B1 (fr) | 1994-08-03 |
DE3843075A1 (de) | 1990-07-05 |
DE58908147D1 (de) | 1994-09-08 |
US5112672A (en) | 1992-05-12 |
ES2057083T3 (es) | 1994-10-16 |
ATE109578T1 (de) | 1994-08-15 |
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