WO2005098748A1 - Papier de surete - Google Patents

Papier de surete Download PDF

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Publication number
WO2005098748A1
WO2005098748A1 PCT/EP2005/003671 EP2005003671W WO2005098748A1 WO 2005098748 A1 WO2005098748 A1 WO 2005098748A1 EP 2005003671 W EP2005003671 W EP 2005003671W WO 2005098748 A1 WO2005098748 A1 WO 2005098748A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic film
paper
antenna structures
network
security
Prior art date
Application number
PCT/EP2005/003671
Other languages
German (de)
English (en)
Inventor
Harald Reiner
Original Assignee
Giesecke & Devrient Gmbh
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 Giesecke & Devrient Gmbh filed Critical Giesecke & Devrient Gmbh
Publication of WO2005098748A1 publication Critical patent/WO2005098748A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07718—Constructional details, e.g. mounting of circuits in the carrier the record carrier being manufactured in a continuous process, e.g. using endless rolls
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes

Definitions

  • the invention relates to a method for producing a security paper with antenna structures and to such a security paper and a value document produced therefrom.
  • the invention further relates to a plastic film with antenna structures for embedding in the security paper.
  • WO 95/21423 AI discloses the embedding of a microchip in a security document made of paper.
  • the security document consists of paper layers that are bonded together with cutouts, into which the microchip is inserted after paper production.
  • These security documents can be verified using contact-based methods, in that the microchip is read out by a reading device like a chip card.
  • RFID (radio frequency identification) solutions are increasingly being used for contactless data communication, in which a stationary RFLD reader supplies a transponder carrying the microchip with energy via a radio link and reads out data (K. Finkenzeller, RFID manual, 2nd edition, 2000, Hanser Verlag, Kunststoff)
  • the RFID reader sends and receives data in the high-frequency range, typically in the frequency band around 13.56 MHz.
  • the transponder is used to couple the RFLD reader to the microchip equipped with an antenna, in particular an antenna coil, for inductive coupling.
  • DE 196 30 648 AI describes a banknote with a contactlessly contacting microchip which is arranged on a metallic security thread.
  • the antenna for data and energy transmission from and to the microchip is also arranged on the metallic security thread, it extends over a relatively small area.
  • large-scale antennas for inductive coupling are required for certain frequency ranges. These have the advantage that a smaller number of turns is necessary for the same induction, that is to say a higher inductance overall.
  • the present invention is based on the object of embedding antenna structures in paper as large as possible and tamper-proof.
  • the invention provides for the antenna structures to be embedded in the paper already during the paper production process, that is to say immediately during the sheet formation.
  • the basis of the invention is the consideration of applying the antenna structures to a plastic film suitably designed for embedding and irreversibly integrating them as carriers of the antenna structures into the paper web during sheet formation.
  • a paper web is hereby successively processed by means of a paper screen (for example on a rotary screen machine or a Fourdrinier machine) made from the liquid pulp mill.
  • a plastic film with antenna structures is embedded in a suitable stage of the sheet formation, the plastic film being structured in a network-like manner such that, despite its hydrophobic properties, it is enclosed and enclosed as completely as possible by the pulp during the sheet formation.
  • the result is a paper web that includes an embedded plastic film network with antenna structures and can serve as security paper for the further production of valuable documents.
  • the plastic film is preferably structured in a network-like manner in such a way that the plastic film network consists of connected plastic webs with a web width of at most 5 mm.
  • the net-like structuring ensures that the plastic film is embedded in the paper web despite any tiydrophobic properties. This means that the paper fibers accumulate on and / or cover the plastic webs, so that the plastic webs are enclosed by paper pulp. If there are defects in the paper web with larger widths of the plastic webs, these can be covered by a second paper web, as described in EP 0625 431 A1.
  • the width of the plastic webs can be optimally adapted to the required antenna windings and transmission frequencies.
  • the width is 1 to 10 mm, preferably 3 to 8 mm.
  • the plastic webs have a width of 4 to 5 mm.
  • a polymer film with a thickness of less than 30 ⁇ m is preferably provided as the plastic film.
  • a circular sieve can be used in particular as a paper sieve in paper production.
  • the rotating circular screen is immersed in the pulp so that the paper fibers adhere to it, a paper web of a certain thickness slowly building up as a result of the rotation.
  • Plastic film network is fed during sheet formation in such a way that a sufficiently thick paper layer is deposited both under and above the network, but also in the interstices between the networks, for completely embedding the plastic film network in the paper web. Because of this manufacturing process and the material properties of both the paper web and the plastic film network, it is particularly advantageous to feed the plastic film network at a point in time during the sheet formation at which the sheet formation has already been largely, preferably 80%, completed.
  • antenna structures are applied to an intact plastic film and the film is then prepared as a plastic film network.
  • these two production steps can also be carried out in the reverse order, so that the plastic film is first structured in a network-like manner and the antenna structures are then applied to the plastic film network.
  • the mesh-like structuring of the plastic film can be done in many ways, in particular by technically comparatively simple punching out or cutting out the unneeded partial areas from the intact plastic film, so that only the mesh-forming plastic webs remain.
  • the antenna structures can be applied, either to the plastic film still to be structured or to the already structured plastic film network, in an inseparable manner by vapor deposition or galvanic coating, the actual antenna structures only being exposed by subsequent etching. Alternatively, the antenna structures can also be printed on the plastic film.
  • coil antennas are applied to the plastic film as antenna structures, which extend in a sufficiently large number of turns through the security documents to be produced from the security paper.
  • the coil antennas preferably run along the outer edge of the security documents in order to have the largest possible coil cross section with a correspondingly high cut Obtain induction per coil turn. This makes it possible to produce the antenna structures in a simple manner using printing technology, although the induction of coil antennas produced in this way is comparatively low.
  • suitable dipole antennas can also be applied.
  • a transponder of an RFID system has ne "ben an antenna, at least one integrated circuit (IC). These can be attached either before papermaking on the plastic film or net after papermaking on the security paper.
  • IC integrated circuit
  • windows of sufficient size for example about 0.5 cm 2
  • windows can be produced analogously to the production of the so-called “window security thread” in the paper during the sheet formation.
  • subsequently integrated circuits are brought into contact with contact surfaces of the antenna structures.
  • the integrated circuits can also be formed directly on the film element itself, either using thin-film technology (TFT construction; thin-film transistor) made of ⁇ -silicon or poly Silicon or based on, for example, printed, organic semiconductor materials, and with the antenna structures on the paper web in contact.
  • TFT construction thin-film transistor
  • the plastic film network to be embedded also carries the integrated circuits in addition to the antenna structures, it is advantageous to produce the antenna structures including the integrated circuits integrally using thin-film technology or on the basis of, for example, printed organic semiconductor materials.
  • the invention is not limited to the use of conventional transponder chips and can also be implemented, for example, in connection with LED chips, in particular thinned LED chips, or on the basis of organic compounds of LEDs (OLEDs) produced.
  • the production of the security documents is followed by the production of the actual security documents from the security paper according to the invention.
  • the security paper is usually cut into individual sheets according to the size of the security documents to be produced, after printing.
  • the course of the antenna structures in the security paper or the structuring of the plastic film network is matched to the size of the security documents to be produced in such a way that, after cutting, antenna structures of at least one antenna for at least one integrated circuit are contained in each security document.
  • the security documents can also include antenna structures for several antennas.
  • Figure 1 shows a detail of a plastic film network with applied antenna structures and microchips in plan view.
  • FIG. 2 shows a paper web with an embedded plastic film mesh with antenna structures and microchips in a top view
  • FIG. 3 shows a security document with an embedded plastic film network with an antenna structure and a microchip
  • Fig. 5 embedding a plastic film network in a Pandaba n during sheet formation in a side view according to a second variant.
  • the plastic film network 3 which is produced from a plastic film by removing partial areas 1, 2 and which is composed of webs 4. So that the plastic film net 3 is sufficiently thin and flexible to be embedded in a paper web as inconspicuously as possible, the plastic fabric net 3 preferably made of a polymer film with a thickness of less than 30 ⁇ m.
  • the webs 4 of the plastic film network 3 preferably have a width of 2 mm or less and in any case a maximum width of 10 mm, so that the plastic film network 3 can be completely covered by paper fibers when embedded in the paper web.
  • the webs have a width of 4 mm. Accordingly, the subareas 1, 2 are punched or cut out of the undamaged plastic film 3 in the manufacture of the plastic film network 3 such that the resulting plastic film network 3 only consists of plastic webs 4 with a web width of 4 mm.
  • Coil antennas with few windings on the plastic webs 4 of the plastic film network 3 are indicated schematically as antenna structures 5 in FIG. 1. It is advantageous to apply the coil antennas to the plastic film network 3 in such a way that they have the largest possible cross section, so that the partial regions 1, 2 enclosed by the coil antennas 5 are as large as possible.
  • the ideal, i.e. maximum size of the coil cross section depends on the size of the security documents to be produced.
  • an antenna structure 5 on the plastic film network 3 is equipped with a corresponding microchip 6.
  • the ⁇ v is microchip via the antenna 6 supplied with operating energy and the data held in the microchip 6 read out contactlessly or new data written.
  • a variety of security information and features relating to the respective security document can be stored as data in the microchip 6.
  • Thinned microchips with a maximum thickness of 30 ⁇ m are preferably used as microchip 6, so that they can be embedded inconspicuously in a paper web if possible. It is also possible to use optical structures and components, e.g. provide thinned LED chips (light-emitting diodes).
  • the integrated circuits can also be produced from ⁇ -silicon or poly-silicon or from organic semiconductor materials using TFT technology (thin film transistor) as an integral part of the antenna structures.
  • the plastic film can be structured into any two-dimensional geometric figure by varying the partial areas 1, 2. Therefore, any two-dimensional geometric shape can in principle also be realized as an antenna shape, provided that the corresponding plastic webs 4 of the plastic film network 3 have a web width that can be embedded in a paper web.
  • the antenna structures 5 in deviation from the illustration in FIG. 1, it is also possible, for example, to design the antenna structures 5 to be elliptical or rounded.
  • the conduction of the antenna structures 5 can be carried out in a quasi-fractal manner, that is to say they are often wound and characterized by many changes in direction.
  • the antenna structures 5 are applied to the plastic film network 3 by vapor deposition or galvanic coating, the actual ones Antenna structures 5 are exposed by a subsequent etching.
  • the antenna structures 5 can also be printed on in a process-technically simple manner. The inductance of printed antenna coils is comparatively low. This disadvantage is compensated for by the large coil cross section.
  • FIG. 1 shows several coil antennas, each with a microchip 6, which are arranged periodically in the foil network 3.
  • a single coherent antenna structure 5 can be applied to the film network 3, which u.
  • U. describes a plurality of turns - possibly repeating periodically - and which is only separated after embedding the plastic film network 3 in a paper web during the production of the actual security documents by cutting the paper web into individual antenna structures 5.
  • Fig. 2 shows a plan view of a paper web 7, in which a plastic film network 3 (shown as black block lines) was embedded in its manufacture.
  • the plastic film network 3 is not only structured vertically as in FIG. 1, but also has periodically recurring identical antenna structures 5 with microchips 6 (both shown in white) in the horizontal direction over the entire width of the paper web 7.
  • the antenna structures 5 are arranged such that exactly one antenna with a microchip 6 is located in the individual security documents 8 after the paper web 7 has been cut (indicated by dashed lines).
  • FIG. 3 shows an individual security document 8 cut out of a paper web.
  • the arrangement of plastic film network 3, antenna structures 5 and microchips 6 is suitable, for example, for banknote production.
  • plastic film nets 3 which have a maximum width of more than 20 mm, in particular more than 50 mm, transversely to the longitudinal direction of the paper web.
  • the plastic film network 3 from FIG. 1 would also meet this criterion if the connections of the antenna structures 5 arranged vertically one above the other were not realized by two vertical webs 4 at the edges of the plastic film network 3, but only by a centered connecting web.
  • partial areas 1, 2 were punched out of the plastic film according to FIG. 2 in such a way that a plastic film network 3 is formed which on the one hand carries a multiplicity of separate antenna structures 5 arranged orthogonally to one another and on the other hand a coherent and in one
  • the plastic film net 3 to be embedded in the paper web 7 forms the operation corresponding to the width of the paper web 7.
  • the punched-out partial areas 1 are preferably chosen to be large enough that in these areas, that is to say in the areas completely filled with paper fibers between the plastic webs 4 of the film network 3, further security features, such as, for example, watermarks or optically variable elements into which paper can be inserted so that they do not interfere with the plastic film.
  • FIG. 3 shows a single security document 8 that was cut out of the paper web shown in FIG. 2.
  • the section of the plastic film network 3 embedded in the security document is again shown in black. It carries a microchip 6 with a coil antenna 5 and thus implements a transponder embedded in the security document 8, e.g. for an RFID system. It is necessary to structure the plastic film in terms of the width and length of the security document 8 to be produced. For example, when embedding coil antennas in banknote paper, it makes sense to provide a width of approximately 10 to 15 cm and a height of approximately 6 to 10 cm for the antenna structures 5.
  • FIG. 4 finally illustrates the process of embedding a plastic film net 3 in a paper web 7 during sheet formation.
  • the paper web 7 is built up when the paper screen 9 is passed through the pulp 10.
  • 4 shows, as paper sieve 9, a circular sieve rotating through pulp 10, on which paper fibers accumulate and build up successively to the desired paper thickness.
  • This build-up process begins with the immersion of the surface of the paper screen 9 in the pulp 10.
  • it is fed to the paper web 7 at a point in time at which sheet formation has already started, the forming paper web 7 has not yet reached its final paper thickness.
  • the plastic film network 3 is positioned approximately centrally in the paper web 7 in the finished paper. Since the sinking depth of the plastic film network 3 changes during the embedding due to the process, the plastic film network 3 is only fed to the paper screen 9 at a point in time at which the sheet formation has already been largely, preferably 80%, completed.
  • windows in the paper web 7 are formed at least on one side in the production of the paper web 7 by a special configuration of the paper screen 9 in order to subsequently attach the microchips to the paper web 7 and these through the windows to be able to contact with the antenna structures.
  • Fig. 5 shows an alternative method for tamper-proof embedding of a plastic film network 3 in a paper web 7 analogous to the method described in EP 0 625431 AI for embedding a wide window security thread in a paper web.
  • a plastic film network 3 with antenna structures applied is embedded in the paper web 7 during sheet formation in such a way that it is completely enclosed by the paper web 7.
  • the windows can be used advantageously if antenna structures are applied to the embedded plastic film network 3, but integrated circuits or thinned microchips only after the paper web 7 has been produced through the windows in contact with the antenna structures on the corresponding side of the window Paper web 7 are applied. Due to the size of the integrated circuits to be retrofitted, the windows usually have a size of approximately 0.5 cm 2 .
  • the plastic film network 3 to be embedded is structured in a network-like manner such that it consists of plastic webs with a width of approximately 1.5 to 2 mm, it can be assumed that the pulp completely encloses the webs on both sides during paper production and the plastic film network 3 without defects in the Paper web 7 is embedded. However, if the webs have a width greater than 2 mm, there may be isolated defects due to the hydrophobic properties of the plastic film, at which the plastic film is unintentionally visible through holes in the paper web 7.
  • a combined paper web 7, 7 ' can be produced in the manner shown in FIG. 5, in which a plastic film network 3 with web widths of at least 2 mm and at most 5 mm is reliably completely embedded.
  • the second paper web 7 ' has a thickness of 10% to 50% of the total thickness of the combined paper web 7, 7', but preferably a thickness of 20% of the total thickness.
  • microchips When microchips are subsequently applied to the paper web 7 and the corresponding antenna structures are contacted through the windows produced by the bumps 11 of the circular sieve 9, the microchips are each covered with suitable film elements for their protection.
  • suitable film elements for their protection.
  • foil elements on which the integrated circuits have already been implemented e.g. in TFT technology or from organic semiconductor materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne l'application de films plastiques ayant des structures antennes (5) dans des papiers de sûreté pour équiper de transpondeurs RFID les documents de sécurité (8) produits à partir de ces papiers de sûreté afin d'augmenter leur sécurité de manipulation et leur sécurité contre toute falsification. A cet effet, des structures antennes (5) et des circuits intégrés (6) sont montés sur un réseau de films plastiques structuré (3), le réseau de films plastiques (3) étant inséré de manière irréversible dans la bande papier (7) pendnant la formation de tranformation en feuille.
PCT/EP2005/003671 2004-04-08 2005-04-07 Papier de surete WO2005098748A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410018081 DE102004018081A1 (de) 2004-04-08 2004-04-08 Sicherheitspapier
DE102004018081.4 2004-04-08

Publications (1)

Publication Number Publication Date
WO2005098748A1 true WO2005098748A1 (fr) 2005-10-20

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ID=34966186

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/003671 WO2005098748A1 (fr) 2004-04-08 2005-04-07 Papier de surete

Country Status (2)

Country Link
DE (1) DE102004018081A1 (fr)
WO (1) WO2005098748A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2918485A1 (fr) * 2007-07-04 2009-01-09 Arjowiggins Licensing Soc Par Support fibreux pour insert comportant une antenne
EP2275978A1 (fr) 2007-05-23 2011-01-19 Paxar Americas, Inc. Procédé de fabrication dee puces électroniques dans une feuille de matière
WO2011138515A1 (fr) 2010-05-05 2011-11-10 Honnorat Recherches & Services Authenticable security element and device for authenticating the same
WO2011138516A1 (fr) 2010-05-05 2011-11-10 Honnorat Recherches & Services Document securise, testeur et methode d'authentification
CN113840739A (zh) * 2019-11-22 2021-12-24 柯尼格及包尔公开股份有限公司 用于制造分别具有至少一个集成电路的钞票的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156901B (zh) * 2006-06-26 2013-05-08 株式会社半导体能源研究所 包括半导体器件的纸及具有该纸的物品
JP5204959B2 (ja) 2006-06-26 2013-06-05 株式会社半導体エネルギー研究所 半導体装置の作製方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0625431A1 (fr) 1993-05-01 1994-11-23 Giesecke & Devrient GmbH Papier de securité
WO1995021423A1 (fr) 1994-02-04 1995-08-10 Giesecke & Devrient Gmbh Support de donnees a module electronique et son procede de fabrication
DE19630648A1 (de) 1996-07-30 1998-02-05 Diehl Gmbh & Co Geldschein
EP1134694A1 (fr) * 2000-03-16 2001-09-19 Infineon Technologies AG Document avec circuit électronique intégré
WO2003015016A2 (fr) * 2001-07-30 2003-02-20 Arjo Wiggins Security Sas Procede de fabrication d'un article comportant au moins une puce electronique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0625431A1 (fr) 1993-05-01 1994-11-23 Giesecke & Devrient GmbH Papier de securité
WO1995021423A1 (fr) 1994-02-04 1995-08-10 Giesecke & Devrient Gmbh Support de donnees a module electronique et son procede de fabrication
DE19630648A1 (de) 1996-07-30 1998-02-05 Diehl Gmbh & Co Geldschein
EP1134694A1 (fr) * 2000-03-16 2001-09-19 Infineon Technologies AG Document avec circuit électronique intégré
WO2003015016A2 (fr) * 2001-07-30 2003-02-20 Arjo Wiggins Security Sas Procede de fabrication d'un article comportant au moins une puce electronique

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275978A1 (fr) 2007-05-23 2011-01-19 Paxar Americas, Inc. Procédé de fabrication dee puces électroniques dans une feuille de matière
FR2918485A1 (fr) * 2007-07-04 2009-01-09 Arjowiggins Licensing Soc Par Support fibreux pour insert comportant une antenne
WO2009007659A3 (fr) * 2007-07-04 2009-05-14 Arjowiggins Licensing Sas Support fibreux pour insert comportant une antenne
US8963778B2 (en) 2007-07-04 2015-02-24 Arjowiggins Security Integrale Solutions Fibrous substrate for insert including an antenna
WO2011138515A1 (fr) 2010-05-05 2011-11-10 Honnorat Recherches & Services Authenticable security element and device for authenticating the same
WO2011138516A1 (fr) 2010-05-05 2011-11-10 Honnorat Recherches & Services Document securise, testeur et methode d'authentification
CN113840739A (zh) * 2019-11-22 2021-12-24 柯尼格及包尔公开股份有限公司 用于制造分别具有至少一个集成电路的钞票的方法
CN113840739B (zh) * 2019-11-22 2022-08-02 柯尼格及包尔公开股份有限公司 用于制造分别具有至少一个集成电路的钞票的方法
US11840111B2 (en) 2019-11-22 2023-12-12 Koenig & Bauer Ag Method for producing banknotes including in each case at least one integrated circuit

Also Published As

Publication number Publication date
DE102004018081A1 (de) 2005-10-27

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