EP1185422B1 - Optisch variables sicherheitsmerkmal - Google Patents

Optisch variables sicherheitsmerkmal Download PDF

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Publication number
EP1185422B1
EP1185422B1 EP00952853A EP00952853A EP1185422B1 EP 1185422 B1 EP1185422 B1 EP 1185422B1 EP 00952853 A EP00952853 A EP 00952853A EP 00952853 A EP00952853 A EP 00952853A EP 1185422 B1 EP1185422 B1 EP 1185422B1
Authority
EP
European Patent Office
Prior art keywords
optically variable
pedt
pss
variable security
security feature
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.)
Revoked
Application number
EP00952853A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1185422A1 (de
Inventor
Frank Puttkammer
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.)
WHD Elektronische Prueftechnik GmbH
Original Assignee
WHD Elektronische Prueftechnik 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7911800&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1185422(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by WHD Elektronische Prueftechnik GmbH filed Critical WHD Elektronische Prueftechnik GmbH
Publication of EP1185422A1 publication Critical patent/EP1185422A1/de
Application granted granted Critical
Publication of EP1185422B1 publication Critical patent/EP1185422B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • 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

Definitions

  • the invention relates to an optically variable security feature for documents, securities, Banknotes, packaging and goods.
  • optically variable security features are holograms, whose human-visually recognizable information is subject to change when viewed from different angles. This effect offered good copy protection, since the angle-dependent changes could not be imitated by a copier.
  • holograms usually consist of a carrier film, a layer of curable lacquer into which diffractive structures are embossed, and a reflection and an additional protective layer.
  • the reflection layer is designed as a highly brilliant metallization which has been evaporated in a high vacuum and which, in addition to checking the authenticity, can contain a functional design in the form of demetallized points which can be recognized by humans or not by humans. These demetalized locations can take the form of characters, letters or geometric figures.
  • the technological equipment required for the production of holograms as well as analysis devices for recognizing micro-fonts and micro-design are currently available to even counterfeiters, so that efforts are being made to increase counterfeit security by introducing additional, as possible hidden, detectable features.
  • DE 40 30 493 also shows that an optically variable element is applied to a multi-layer data carrier, in which additional information, such as a pattern for a functional design, which is subsequently introduced and is visually human-visible, is present and is superimposed on the optical effect.
  • additional information such as a pattern for a functional design, which is subsequently introduced and is visually human-visible
  • DE 39 32 505 describes data carriers with diffraction structures, the standard information of which can be changed in a human-visually recognizable manner by additional measures, for example by removing the metal layer.
  • DE 44 19 089 and DE 44 19 173 have disclosed magnetizable luster pigments and luster pigment mixtures which are suitable for producing three-dimensional optical effects through the action of magnetic fields during or after their application in the still liquid application medium.
  • suitable polythiophenes for example 3,4-polyethylenedioxythiophene
  • Another option for reading out the polythiophene markings is based on their electrical conductivity. With suitable electrode arrangements, the differences in surface resistance between the non-conductive support and the conductive markings can be registered. It is also known from EP 753 623 to produce a security sheet which is used as.
  • Counterfeit protection contains an electrically conductive element.
  • the conductive element consists of a polythiophene polymer. Printing inks containing metal pigments are similarly called.
  • DE 38 43 075 describes an arrangement in a security document a security thread that contains a metallic coating- in close proximity to this coating is a layer with electrically conductive pigments respectively a layer made of an electrically conductive plastic due to its molecular structure intended. This layer serves to bridge any interruptions in the metal Coating of the security thread.
  • holograms as a security feature for individual objects, be it securities or goods, their production starts in large numbers predominantly large industrial plants and at the lowest possible price.
  • the current technological manufacturing processes are limited set.
  • the object of the invention is to increase the security against forgery an optically variable To equip security features with hidden, detectable features, despite their Introduction the production should be designed quickly and inexpensively.
  • the solution according to the invention offers the advantage of having optically variable security features equip hidden, detectable features that are not visually recognizable and can either be depicted pictorially or by bridging interruptions add functionally to a verifiable whole. At the same time, this results in a surprising way the advantage of a continuous, time-saving and inexpensive process for the production of optically variable security features.
  • an optically variable security feature for example a hologram, consisting of a carrier film 1 , a layer of PEDT / PSS (Polyethylenedioxythiophenpolystyrolsulfonat) 2, a curable lacquer layer 3 , preferably as a carrier of diffractive structures, a reflection layer 4, a protective layer 7 and an adhesive layer 5.
  • 2 shows that the reflection layer 4 contains a functional design 6 in the form of interruptions.
  • 3 shows the absence of the adhesive layer 5 .
  • optically variable security feature The function of the optically variable security feature according to the invention is as follows: Knowing that the reflection layer 4 in the form of a microprinting or other human vision can contain recognizable interruptions functional design 6 no more, it's counterfeiters also possible in a short time, in an optically variable Security feature to introduce such a functional design 6 .
  • an electrically conductive feature substance in the form of a layer of PEDT / PSS 2 is applied to the carrier film 1 as a transparent, electrically conductive polymer. This layer from the PEDT / PSS 2 is not recognizable by human vision and can only be detected by demonstrating its electrical conductivity.
  • the layer of the PEDT / PSS 2 can form a functional design and is applied to the carrier film 1 as a coherent surface or as a surface divided by a line-like interruption. In the first case you can see the conductivity of the surface, in the second case you check the electrical interruption of the otherwise electrically conductive surface.
  • the layer from the PEDT / PSS 2 can, however, also be applied to the carrier film 1 as one line or as a plurality of straight or curved lines running side by side. In such a case, the pattern of the lines can be recognized with test equipment and evaluated if necessary. Similar to the lines, the layer from the PEDT / PSS 2 can also take the form of points.
  • the conductivity of the layer of PEDT / PSS 2 can be adjusted either by the type of application or by the type of its special formulation.
  • the reflection layer 4 contains the functional design 6 in the form of interruptions. These interruptions of the reflection layer 4 , which are no longer visible in human visual terms, preferably follow the pictorial design of the diffractive structures of the hologram. This makes them more difficult to find.
  • the functional design in the PEDT / PSS 2 and the functional design 6 of the reflection layer 4 are advantageously arranged in adjacent planes. In this case, parts of the functional design in the PEDT / PSS 2 and the functional design 6 of the reflection layer 4 interact in such a way that interruptions in the reflection layer 4 are bridged. In this way, despite the interruptions in the reflection layer 4, a coding that can be evaluated by machine results. If the PEDT / PSS 2 and the reflection layer 4 are arranged in mutually separate planes, their design is advantageously designed such that they only give a complete picture together, which can be recognized with appropriate test equipment.
  • the PEDT / PSS 2 shows significantly better properties than other organic conductors, such as the previously known polythiophenes and polypyrrole or polyaniline. It shows a higher transmission in visible light. It produces transparent, colorless to slightly blue colored coatings. Depending on the manufacturing conditions, minimal surface resistances can be achieved. It has better resistance to hydrolysis, good light and temperature resistance, a high absorption in the range of 900 - 2000 nm and no absorption maximum in the range of visible light up to 800 nm. According to the invention, the PEDT / PSS 2 is applied in the form of an aqueous dispersion. This form of application fits into the technology of manufacturing security features such that there are no interruptions in the ongoing production process.
  • the PEDT / PSS 2 is applied in its monomeric precursor as a 3,4-ethylenedioxythiophene (EDT) to the intended layers of the optically variable security feature and then in with an oxidizing agent, namely iron-III-toluenesulfonate solution n-butanol, polymerized to PEDT / PSS 2 .
  • EDT 3,4-ethylenedioxythiophene

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Wrappers (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Air Bags (AREA)
  • Centrifugal Separators (AREA)
  • Holo Graphy (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Laminated Bodies (AREA)
EP00952853A 1999-06-15 2000-06-14 Optisch variables sicherheitsmerkmal Revoked EP1185422B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19928060A DE19928060A1 (de) 1999-06-15 1999-06-15 Optisch variables Sicherheitsmerkmal und Verfahren zu seiner Herstellung
DE19928060 1999-06-15
PCT/DE2000/001908 WO2000076778A1 (de) 1999-06-15 2000-06-14 Optisch variables sicherheitsmerkmal

Publications (2)

Publication Number Publication Date
EP1185422A1 EP1185422A1 (de) 2002-03-13
EP1185422B1 true EP1185422B1 (de) 2003-05-28

Family

ID=7911800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00952853A Revoked EP1185422B1 (de) 1999-06-15 2000-06-14 Optisch variables sicherheitsmerkmal

Country Status (22)

Country Link
US (1) US7301682B1 (uk)
EP (1) EP1185422B1 (uk)
JP (1) JP3913549B2 (uk)
KR (1) KR100666631B1 (uk)
CN (1) CN1355745A (uk)
AT (1) ATE241476T1 (uk)
BG (1) BG64546B1 (uk)
BR (1) BR0012312A (uk)
CA (1) CA2374435A1 (uk)
CZ (1) CZ298221B6 (uk)
DE (2) DE19928060A1 (uk)
DK (1) DK1185422T3 (uk)
ES (1) ES2199846T3 (uk)
HU (1) HUP0201521A2 (uk)
MX (1) MXPA01011689A (uk)
NO (1) NO20016015D0 (uk)
PL (1) PL193839B1 (uk)
PT (1) PT1185422E (uk)
SK (1) SK285524B6 (uk)
TR (1) TR200103242T2 (uk)
UA (1) UA69464C2 (uk)
WO (1) WO2000076778A1 (uk)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006042568A1 (de) 2004-10-20 2006-04-27 Hueck Folien Ges.M.B.H Substrate mit elektrisch leitfähigen schichten
CN103113782A (zh) * 2013-02-05 2013-05-22 陕西科技大学 一种含二氧化钛的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113779A (zh) * 2013-02-05 2013-05-22 陕西科技大学 一种含三氧化二铁的双波长吸光水性防伪油墨添加剂的制备工艺

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DE10111848A1 (de) * 2001-03-01 2002-09-12 Whd Elektron Prueftech Gmbh Sicherheitsmerkmale
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DE10111850C2 (de) * 2001-03-01 2003-07-17 Whd Elektron Prueftech Gmbh Sicherheitseinrichtung
DE10111851B4 (de) * 2001-03-01 2007-10-25 WHD elektronische Prüftechnik GmbH Sicherheitsmerkmale
DE10149265A1 (de) * 2001-10-05 2003-04-17 Giesecke & Devrient Gmbh Gegenstand mit Sicherheitsmarkierung
ATE413285T1 (de) * 2002-08-28 2008-11-15 Crane & Co Inc Dauerhafte sicherheitsvorrichtungen und sicherheitsartikel zur anwendung solcher vorrichtungen
KR101110767B1 (ko) * 2003-07-14 2012-02-24 플렉스 프로덕츠, 인코포레이티드 노출 및/또는 은폐 패턴층을 갖는 보안 물품과 그 제조 방법
DE10343890A1 (de) * 2003-09-19 2005-05-04 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zur Herstellung desselben
AT500289A1 (de) * 2003-12-29 2005-11-15 Hueck Folien Gmbh Substrate mit elektrisch leitfähigen schichten für technische anwendungen
DE102005031448A1 (de) * 2005-07-04 2007-01-11 Polyic Gmbh & Co. Kg Aktivierbare optische Schicht
US8795730B2 (en) 2006-01-31 2014-08-05 David John Vachon Compositions and methods for promoting the healing of tissue of multicellular organisms
DE102008026216B4 (de) 2008-05-30 2010-07-29 Polyic Gmbh & Co. Kg Elektronische Schaltung
US8253536B2 (en) 2009-04-22 2012-08-28 Simon Fraser University Security document with electroactive polymer power source and nano-optical display
US8212473B2 (en) * 2009-04-22 2012-07-03 Simon Fraser University Flexible polymeric light emitting/charge storage device and system
DE102009033221A1 (de) 2009-07-14 2011-01-27 Human Bios Gmbh Sicherheitselement zur Kennzeichnung oder Identifikation von Gegenständen und Lebewesen
AU2011101684B4 (en) * 2011-12-22 2012-08-16 Innovia Security Pty Ltd Optical Security Device with Nanoparticle Ink
CN103113783B (zh) * 2013-02-05 2014-10-01 陕西科技大学 一种含二氧化硅的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113781B (zh) * 2013-02-05 2014-10-01 陕西科技大学 一种含氧化亚铜的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113780B (zh) * 2013-02-05 2014-10-01 陕西科技大学 一种含三氧化二铝的双波长吸光水性防伪油墨添加剂的制备工艺
CN110774787A (zh) * 2019-09-24 2020-02-11 山东泰宝防伪技术产品有限公司 特殊防伪码口花纸及其制备方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006042568A1 (de) 2004-10-20 2006-04-27 Hueck Folien Ges.M.B.H Substrate mit elektrisch leitfähigen schichten
CN103113782A (zh) * 2013-02-05 2013-05-22 陕西科技大学 一种含二氧化钛的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113779A (zh) * 2013-02-05 2013-05-22 陕西科技大学 一种含三氧化二铁的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113779B (zh) * 2013-02-05 2014-10-01 陕西科技大学 一种含三氧化二铁的双波长吸光水性防伪油墨添加剂的制备工艺
CN103113782B (zh) * 2013-02-05 2014-10-01 陕西科技大学 一种含二氧化钛的双波长吸光水性防伪油墨添加剂的制备工艺

Also Published As

Publication number Publication date
MXPA01011689A (es) 2002-07-30
BG106133A (en) 2002-06-28
PT1185422E (pt) 2003-10-31
SK285524B6 (sk) 2007-03-01
CZ20014232A3 (cs) 2002-03-13
ATE241476T1 (de) 2003-06-15
PL193839B1 (pl) 2007-03-30
BG64546B1 (bg) 2005-07-29
NO20016015L (no) 2001-12-10
CA2374435A1 (en) 2000-12-21
CZ298221B6 (cs) 2007-07-25
TR200103242T2 (tr) 2002-03-21
EP1185422A1 (de) 2002-03-13
UA69464C2 (uk) 2004-09-15
KR100666631B1 (ko) 2007-01-10
US7301682B1 (en) 2007-11-27
WO2000076778A1 (de) 2000-12-21
JP3913549B2 (ja) 2007-05-09
SK17772001A3 (sk) 2002-07-02
DK1185422T3 (da) 2003-09-15
NO20016015D0 (no) 2001-12-10
KR20020010627A (ko) 2002-02-04
JP2003502688A (ja) 2003-01-21
PL351651A1 (en) 2003-05-19
ES2199846T3 (es) 2004-03-01
DE50002371D1 (de) 2003-07-03
DE19928060A1 (de) 2000-12-21
BR0012312A (pt) 2002-05-14
HUP0201521A2 (en) 2002-08-28
CN1355745A (zh) 2002-06-26

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