EP0718121A2 - Support de données et sa méthode de fabrication - Google Patents

Support de données et sa méthode de fabrication Download PDF

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Publication number
EP0718121A2
EP0718121A2 EP95120144A EP95120144A EP0718121A2 EP 0718121 A2 EP0718121 A2 EP 0718121A2 EP 95120144 A EP95120144 A EP 95120144A EP 95120144 A EP95120144 A EP 95120144A EP 0718121 A2 EP0718121 A2 EP 0718121A2
Authority
EP
European Patent Office
Prior art keywords
data carrier
information
laser
carrier according
plastic layer
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
Application number
EP95120144A
Other languages
German (de)
English (en)
Other versions
EP0718121B1 (fr
EP0718121A3 (fr
Inventor
Otto Dr. Bernecker
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.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and 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 and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP0718121A2 publication Critical patent/EP0718121A2/fr
Publication of EP0718121A3 publication Critical patent/EP0718121A3/xx
Application granted granted Critical
Publication of EP0718121B1 publication Critical patent/EP0718121B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • 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
    • B42D25/24—Passports
    • 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
    • B42D25/324—Reliefs
    • 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
    • B42D25/333—Watermarks
    • 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
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • 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
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • 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
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D2033/24—
    • B42D2035/30—
    • 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.]
    • 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.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer 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
    • Y10T428/24—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.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer
    • Y10T428/24876—Intermediate layer contains particulate material [e.g., pigment, etc.]
    • 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.]
    • Y10T428/24934—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including paper layer

Definitions

  • the invention relates to a data carrier, such as an identification card, credit card or the like, with at least one plastic layer which has information introduced in certain areas with the aid of a laser, and to a method for its production.
  • the data carriers addressed here are any information carriers with visually readable data, e.g. Business cards or labels etc.
  • the invention relates to identification documents, such as identity cards, chip cards, passports or the like, which, in addition to general information, contain individual, mostly user-related information. This is usually data such as name, birthday, signature and photo of the user. This individual data must be protected against manipulation and counterfeiting.
  • identification documents such as identity cards, chip cards, passports or the like
  • This individual data must be protected against manipulation and counterfeiting.
  • With the increasing spread of high-quality and inexpensive reproduction processes and equipment such as scanners, color copiers or CAD systems, the production of deceptive imitations of real ID cards is becoming easier and easier, so that ever new and technically complex authenticity features have to be developed.
  • hologram-like surface structures have become the primary criterion for authenticity, since they provide a visually striking, optically variable color effect that cannot be reproduced by copiers.
  • the risk of total counterfeiting is very low, since the production of holograms is very expensive and also requires some know-how in technical terms.
  • the hologram structures are therefore very often produced separately as a transfer embossed hologram and transferred to the data carrier in certain areas under the action of heat and pressure.
  • the layer thicknesses of the hologram elements are very small, but with skilful handling it is possible to detach such a layer structure from a real document and transfer it to a fake one.
  • the layer structure consists of a plastic layer of certain opacity, which is composed of an engraving layer, i.e. a color layer of higher opacity is covered.
  • the data to be protected here the photo, can be falsified relatively easily by exchanging the photo, but the practically unchangeable engraving offers a good opportunity to uncover such an attempt at forgery.
  • the invention is therefore based on the object of proposing a data carrier and a method for its production which has an authenticity feature which can neither be manipulated nor copied and can be produced simply and inexpensively on the finished product.
  • the invention is based on the knowledge that the surface properties of a plastic film can be changed by means of an appropriately controlled laser without producing discoloration in the plastic material. This creates areas with different light scattering properties that may not be visually recognizable when viewed in incident light and only become clear when viewed in the glancing angle. So for example, the effects of heat from the laser can roughen smooth surfaces, smooth rough surfaces, tarnish transparent materials, clear materials or clear entire layers.
  • EP 0 372 274 A1 proposes to arrange a transparent, laser-sensitive lacquer layer between the individual color layers in order to be able to compensate for tolerances in the layer thicknesses.
  • part of the lacquer layer is thermally broken down, so that the layer of paint arranged above it is removed in the irradiated area together with the lacquer layer.
  • the data carrier After the data carrier has been labeled, it can be recognized by the Partly removed transparent lacquer layer through the underlying color layer.
  • the material processing by the laser takes place without discoloration of the substrate material or without generating color contrast to the surroundings.
  • a single-layer or multi-layer plastic identification card with a smooth surface is provided in a certain area with a micro-relief in the form of characters, patterns or the like.
  • the laser, its power and the plastic material must be coordinated so that the plastic material is not discolored under the influence of the laser.
  • the microrelief has such a fine structure that it cannot be seen in reflected light and only appears at the glancing angle.
  • the identification card can also be provided with a rough surface structure in a partial area during the lamination process, in that the laminating plates are provided with the negative structure at a corresponding point and thus emboss the relief on the cover film.
  • the security feature is introduced, the irradiated areas are softened by the heat of the laser, so that the relief structure in these areas is lost and the surface of the card is smoothed. This information is also primarily visible under the gloss angle.
  • the externally accessible plastic film of a data carrier is engraved in the form of characters or patterns, i.e. the plastic material is evaporated with the aid of the laser, so that depressions in the form of readable information are created in the plastic material.
  • This type of identification can be used particularly advantageously in the production of passports.
  • at least parts of the personalization data generated in the form of a color contrast and thus easy to read are again provided on the document in the form of a colorless laser engraving.
  • the engraving can be arranged, for example, directly below or above the respective printed or color-contrast lasered information in order to enable a quick comparison of the two information.
  • the engraved information on a separate information carrier.
  • a further data sheet consisting of plastic or laminated with a plastic film
  • the artificial blind film can have any opacity.
  • the engraved information can be read well, especially under the gloss angle.
  • opaque or translucent foils are used, a watermark effect can also be created by providing the plastic foil with a colored layer or plastic foil with higher opacity before the engraving. As a result, the engraving hardly appears in reflected light, but becomes visible when viewed in transmitted light clearly recognizable due to the different translucent areas.
  • Laser engraving has the decisive advantage over the mechanical engraving process that it can be used to produce engravings of consistently high quality, since no wearing parts, such as a stylus, etc., are required. It can also be carried out on the finished passport document.
  • the generation of the authenticity feature according to the invention can very advantageously be integrated into the labeling process of the data carrier, especially if the data carrier is labeled with a color contrasting laser anyway.
  • all user-related data such as photo, name, signature etc.
  • the information to be displayed without color contrast is added to this data set. If certain parts of the original data record are to be provided on the data carrier again in the form of different light-scattering areas, they must be provided with a label which ensures that these data are lasered again with another laser.
  • the same laser for example an Nd: YAG laser
  • Nd: YAG laser for the contrasting laser marking and the colorless laser processing.
  • YAG laser Nd: YAG laser
  • discoloration takes place only from a certain laser power, which becomes stronger as the laser power continues to increase and finally leads to the complete burning of the material.
  • a power-controllable laser it is therefore possible to generate halftone images.
  • the laser beam is adjusted via optics so that its focus is in the volume of the plastic material. If the focal position is moved into the surface area of the material, ie its length is shortened, the material in the irradiated areas is melted and partially decomposed, so that notches occur without changes in the color of the plastic.
  • any other type of laser e.g. CO2 or excimer laser can be used.
  • Which laser is most suitable for processing which substrate material depends largely on the parameters of the decomposition energy of the substrate material, laser power and laser type (e.g. pulsed or continuously operated laser). These parameters must therefore be experimentally optimized for each special application.
  • the invention can be used advantageously not only where a security feature is to be provided for reasons of counterfeit protection.
  • the invention also offers a simple possibility of making data as inconspicuous as possible. For example, manufacturer data that basically disrupt the layout of the document and whose content is only of moderate interest to the general public can be included without complications when personalizing the documents. They hardly appear in the incident light and are in any case easily recognizable under the gloss angle.
  • Fig. Shows a data carrier according to the invention.
  • the ID card shown can be of one or more layers and in any case has an artificial peat layer accessible from the outside.
  • the card 1 has an authenticity feature 2.
  • the area 5 has the first diffuse light-scattering properties due to its surface properties. This area 5 is interrupted by areas 3 which represent legible information or a pattern or the like and which have a different surface quality, such as their surroundings 5. Because of this, the information 3 also has other diffuse light-scattering properties which make it possible to display the information under clearly visible from a certain viewing angle.
  • the data carrier 1 can of course also have further security features or an integrated circuit.
  • Such an identification card can also be contained in a book-shaped passport.
  • the personalization data 4 are preferably introduced with a laser in the form of discoloration of the plastic material.
  • information 3 is also included Introduced using the same or a different laser by changing the original surface condition of the data carrier 1. This can be done in many different ways, as will be explained in more detail below.
  • FIG. 2 shows a variant of the data carrier 1 according to the invention in section, only the plastic layer 6 to be processed being shown. Under this layer 6 there can of course be further plastic or paper layers.
  • the plastic film was provided with a roughened surface area 5 in a first step, e.g. with the help of the laminating plates or simply by embossing a surface structure.
  • This area 5 was then irradiated at certain points 3 with a laser matched to the material. Due to the heat of the laser, the plastic material 6 softens in the areas 3. The soft material loses the embossed structure, the relief areas are equalized and relatively even, smooth areas 3 are created.
  • the surface area 5 of the plastic material 6 has a homogeneously smooth surface, while the information 3 is introduced into the material in the form of a laser engraving. Alternatively, the material can also be melted in the surface area without the material becoming discolored.
  • plastic layer not as a film but as a lacquer layer on a carrier layer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Credit Cards Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Holo Graphy (AREA)
  • Peptides Or Proteins (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
EP95120144A 1994-12-21 1995-12-20 Support de données et sa méthode de fabrication Expired - Lifetime EP0718121B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445822A DE4445822A1 (de) 1994-12-21 1994-12-21 Datenträger und Verfahren zu seiner Herstellung
DE4445822 1994-12-21

Publications (3)

Publication Number Publication Date
EP0718121A2 true EP0718121A2 (fr) 1996-06-26
EP0718121A3 EP0718121A3 (fr) 1996-07-24
EP0718121B1 EP0718121B1 (fr) 1999-06-02

Family

ID=6536604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95120144A Expired - Lifetime EP0718121B1 (fr) 1994-12-21 1995-12-20 Support de données et sa méthode de fabrication

Country Status (8)

Country Link
US (1) US5958528A (fr)
EP (1) EP0718121B1 (fr)
JP (1) JP3902257B2 (fr)
AT (1) ATE180720T1 (fr)
DE (2) DE4445822A1 (fr)
DK (1) DK0718121T3 (fr)
ES (1) ES2131750T3 (fr)
ZA (1) ZA9510839B (fr)

Cited By (1)

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CN109291684A (zh) * 2017-07-25 2019-02-01 英飞凌科技股份有限公司 芯片卡模块、其制造方法、其检查方法和芯片卡

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US6710284B1 (en) 1999-02-26 2004-03-23 Micron Technology, Inc. Laser marking techniques for bare semiconductor die
AUPQ119999A0 (en) * 1999-06-25 1999-07-22 Note Printing Australia Limited Improved security documents
US6780012B1 (en) * 1999-12-20 2004-08-24 3M Innovative Properties Company Article with laser engraved identification mark
DE10126342C1 (de) * 2001-05-30 2003-01-30 Hsm Gmbh Optisches Element und Verfahren zu dessen Herstellung
JP2003191697A (ja) * 2001-12-12 2003-07-09 Ichika Kokusai Kagi Kofun Yugenkoshi 透かし彫り用紙及びその彫刻方法
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7815124B2 (en) 2002-04-09 2010-10-19 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
AU2002364746A1 (en) 2001-12-24 2003-07-15 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
WO2003055638A1 (fr) 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Elements de securite grave au laser destines a des documents d'identification et procedes de fabrication de ces elements
EP1459239B1 (fr) 2001-12-24 2012-04-04 L-1 Secure Credentialing, Inc. Documents d identification comprenant des informations invis ibles variables et leurs procedes de production
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
AU2003298731A1 (en) 2002-11-26 2004-06-18 Digimarc Id Systems Systems and methods for managing and detecting fraud in image databases used with identification documents
US20040224249A1 (en) * 2003-03-10 2004-11-11 Paulson Bradley A. Self-contained imaging assembly with increased resistance to peeling
CA2522551C (fr) * 2003-04-16 2009-12-22 Digimarc Corporation Stockage de donnees en trois dimensions
DE102004055495A1 (de) * 2004-11-17 2006-05-24 Bundesdruckerei Gmbh Personaldokument in Heftform
US7383999B2 (en) * 2004-12-28 2008-06-10 Digimarc Corporation ID document structure with pattern coating providing variable security features
DE102007052952A1 (de) * 2007-10-31 2009-05-07 Bundesdruckerei Gmbh Verfahren und Vorrichtung zur Herstellung von Hologrammen mit wasserzeichenartiger Struktur
JP2014120799A (ja) * 2012-12-13 2014-06-30 Panasonic Corp ロケータシステム、携帯情報端末及びロケータ
US20140227486A1 (en) * 2013-02-12 2014-08-14 David Benderly System for and method of producing a security mark on a micro-porous stucture
JP6971511B1 (ja) * 2021-06-01 2021-11-24 株式会社ユーロックテクノパーツ レーザ刻印シール

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Publication number Priority date Publication date Assignee Title
EP0518363A1 (fr) * 1991-06-14 1992-12-16 Epc Technology Co., Ltd. Structure en couches gravée

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Publication number Priority date Publication date Assignee Title
EP0518363A1 (fr) * 1991-06-14 1992-12-16 Epc Technology Co., Ltd. Structure en couches gravée

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109291684A (zh) * 2017-07-25 2019-02-01 英飞凌科技股份有限公司 芯片卡模块、其制造方法、其检查方法和芯片卡

Also Published As

Publication number Publication date
ZA9510839B (en) 1996-06-20
DE59506095D1 (de) 1999-07-08
JPH08248864A (ja) 1996-09-27
ATE180720T1 (de) 1999-06-15
DK0718121T3 (da) 1999-11-15
ES2131750T3 (es) 1999-08-01
EP0718121B1 (fr) 1999-06-02
DE4445822A1 (de) 1996-06-27
EP0718121A3 (fr) 1996-07-24
US5958528A (en) 1999-09-28
JP3902257B2 (ja) 2007-04-04

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