EP0372274B1 - Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers - Google Patents

Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers Download PDF

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Publication number
EP0372274B1
EP0372274B1 EP89121237A EP89121237A EP0372274B1 EP 0372274 B1 EP0372274 B1 EP 0372274B1 EP 89121237 A EP89121237 A EP 89121237A EP 89121237 A EP89121237 A EP 89121237A EP 0372274 B1 EP0372274 B1 EP 0372274B1
Authority
EP
European Patent Office
Prior art keywords
layer
record carrier
colour
laser beam
carrier according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89121237A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0372274A3 (de
EP0372274A2 (de
Inventor
Hansjürgen Merkle
Joseph Lass
Wolfgang Killar
Alexander Hierweger
Erwin Lob
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.)
GAO Gesellschaft fuer Automation und Organisation mbH
Original Assignee
GAO Gesellschaft fuer Automation und Organisation mbH
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 GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Priority to EP94108562A priority Critical patent/EP0628431B1/de
Publication of EP0372274A2 publication Critical patent/EP0372274A2/de
Publication of EP0372274A3 publication Critical patent/EP0372274A3/de
Application granted granted Critical
Publication of EP0372274B1 publication Critical patent/EP0372274B1/de
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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • 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
    • B42D25/30—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
    • B42D25/40—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
    • B42D25/45—Associating two or more layers
    • B42D2033/04—
    • B42D2033/08—
    • B42D2033/20—
    • B42D2033/24—
    • B42D2035/08—
    • B42D2035/12—
    • B42D2035/20—
    • B42D2035/30—

Definitions

  • the invention relates to a record carrier, in particular an identification card, and a method for producing such a record carrier.
  • the record carriers in question here are identity cards, e.g. B. credit cards, credit cards, authorization cards or business cards and the like.
  • Identity cards of this type have a format prescribed by standards and generally have a multilayer structure.
  • On one side of the card are e.g. B. by printing or general photographic information, e.g. B. the name of a credit institution, an organization or the like, and optionally a security print image (guilloche pattern), which is placed on the card surface or inside the card.
  • the user-related information such as the name of the card holder, customer number, account number, card number or the like is introduced.
  • the invention has for its object to provide a recording medium according to the preamble of claim 1, in which the removal of a layer of color by laser beam can be carried out easily and quickly.
  • the invention is intended to provide a method for labeling a multilayer recording medium.
  • the term "thermally degraded" means evaporation, ie a transition from the solid to the liquid and then into the gaseous phase, sublimation, ie a transition from the solid to the gaseous phase, chemical decomposition with gas formation or chemical reaction as z. B. arises when igniting thermite particles.
  • the thermal degradation of the material of the second layer at the point hit by the laser beam causes an abrupt increase in the internal pressure of the card material at the point in question, with the result that the relatively thin layer area above it is unable to resist the high pressure and, as it were, is blown off becomes.
  • small areas of the second layer are thermally degraded continuously or pixel by pixel, and accordingly small areas of the outer first color layer are blasted away. In these areas, the second color layer is then freed from the overlying color layer and the information recorded in this way is visible in the color contrast of these two color layers.
  • the thickness and degradation behavior of the second color layer should be matched to the intensity of the laser beam in such a way that it is only partially removed. After the labeling process, the second color layer is thus exposed in the areas hit by the laser beam, and its color is clearly recognizable.
  • the second layer of paint in particular, which is to be thermally degraded, there is a relatively large range of colors available which are admixed with pigments to impart the desired properties.
  • the second color layer is sensitized by such pigments. It can e.g. B. soot or aluminum bronze particles, depending on whether it is a dark or a light color.
  • the pigments are chosen with regard to their body color and / or concentration in such a way that they leave the intrinsic color of the color layer practically unaffected, ie the pigments used for sensitization themselves should not have any influence on the Have coloring of this layer. Almost any color type (acrylic, PVC colors, etc.) can thus be modified in any color for the lettering according to the invention and used in the modified form.
  • the pigments in the color layer act as absorption centers, which absorb the incident laser light and thereby release thermal energy, through which, for example, color is evaporated, with the result that, for. B. by this vapor pressure the material of the first layer is blasted off at the point hit by the laser beam.
  • the second layer i. H. the thermally degradable layer, made of a transparent lacquer layer, which is embedded between two contrasting color layers.
  • this lacquer layer is also sensitized by admixing pigments that absorb the laser light. Suitable pigments for this are pigments with a light body color (e.g. aluminum bronze particles) or those which, even at low concentrations (e.g. in the per mille range), show sufficient effects under the action of laser beams, but only have an insignificant effect on the transparency of the lacquer layer.
  • the record carrier is then labeled, the underlying layer of color can be seen through the at least partially removed transparent lacquer layer.
  • the underlying color layer can e.g. B. a multicolor print or be formed as a single-color layer.
  • the color layers are preferably printing ink layers applied using the screen printing process or correspondingly colored, superimposed, thin plastic films.
  • the effect of the inscription on the recording media according to the invention is particularly interesting when the first, i.e. H.
  • the outer color layer is a halftone print (or is a first color layer provided with halftone print), in particular a black gradient grid that changes in intensity from place to place and is applied to a differently colored second layer. Due to the thermally degradable second layer, the raster print is removed locally, so that the labeled characters z. B. differ only in color from the background.
  • Such gradient grids are known per se. He comes with an ID card e.g. B. as a shadow that darkens from the lower edge of the ID card to the upper edge.
  • the recorded information changes its appearance depending on the viewing angle and, in extreme cases, is only visible from the side from which the recording was made.
  • a guilloche print which is applied to the carrier material and thereby extends into the second, thermally degradable layer to such an extent that it is exposed after laser irradiation, increases the security against forgery or security against forgery.
  • the guilloche print in the second color layer which has a contrast to this color layer, is clearly visible.
  • counterfeiting or counterfeiting by means of a stylus are made more difficult and the special security of laser engraving becomes clear.
  • the marking of a record carrier with a laser beam is particularly effective if the record carrier is provided with an embossed structure in the form of, for example, a corrugated iron structure, half cylinders, hemispheres, lens elements or the like. This is because the laser beam can first be guided over the embossed structure in a certain direction at a certain angle with respect to the plane of the recording medium. Only the "slopes" of this embossed structure facing the laser beam are labeled.
  • the "slopes" of the embossed structure are labeled with the laser beam once from one side and once from the other side, correspondingly the label direction is a different picture when viewed from the corresponding direction if the different sides of the embossing structure are designed accordingly. It is therefore possible to generate different images for different directions of view on opaque surfaces, these images also being able to be viewed separately from one another depending on the viewing angle, or complementing one another with a vertical viewing angle.
  • Fig. 1 shows in cross section a part of a known ID card (DE-OS 30 48 733), which is here z. B. can be a check card.
  • Two color layers B and C are applied to a base layer A.
  • the map layers are shown in this and in the following figures in a form that is not to scale.
  • These two layers of paint differ in their color and in their absorption properties and evaporation points. Since the layer thicknesses are not always exactly uniform at different points, but fluctuate within certain limits and the evaporation points are usually relatively close together, the dosage of the laser beam intensity is a problem for the exposure of the desired color layer.
  • the layers are therefore preferably removed step by step in a plurality of irradiation processes with a correspondingly low intensity in order to expose one layer in a targeted manner and not to cause an incomplete or complete removal together with further layers in an undesired manner.
  • a plurality of irradiation processes with a correspondingly low intensity in order to expose one layer in a targeted manner and not to cause an incomplete or complete removal together with further layers in an undesired manner.
  • further labeling steps (F, G) for removing a location of layer B are carried out. In this way, multi-colored representations are generated in several process steps.
  • FIG. 2 shows a view similar to FIG. 1, but of an identification card constructed according to the invention.
  • a base layer 1 On the outside of a base layer 1 there are a first color layer 3 which is essentially transparent to laser light and a second color layer 2 which absorbs laser light and is provided with pigments. The colors of the color layers 2 and 3 are different.
  • Color layers that do not or hardly absorb laser light are known.
  • Dyes which absorb the laser light in the manner mentioned are obtained according to the invention by adding practically any dyes to pigments which, depending on the brightness of the dye, have dark or light body colors. Soot particles are used for dark colors, for example aluminum bronze particles for light colors. This ensures that the color retains its color regardless of the added pigments.
  • laser beam recording is carried out at a point 4 at a right angle with respect to the plane of the identity card.
  • the laser beam L penetrates the first color layer 3 in a region 5. In this region 5, the energy of the laser beam is practically not absorbed by the material of the first color layer 3.
  • the second color layer 2 In the second color layer 2, however, part of the laser beam energy is absorbed by the pigments contained in this color layer 2. There is a degradation (evaporation, sublimation, etc.) of the material of the second ink layer 2 in the area 6. The pressure that arises during this degradation blows away the overlying first ink layer 3, but this blasting away is relatively narrowly limited to the point 4 which is hit by the laser beam L.
  • the color layer 2, in particular its thickness, degradation properties etc. and the recording parameters such as laser beam intensity etc. are matched to one another in such a way that this color layer is only partially removed and is thus visible in contrast with the first color layer.
  • This second color layer 2 can - as shown in Fig. 3 - on a z. B. Guilloche print image 7 can be applied. The guilloche lines are then, depending on how pronounced the craters 8 generated by the laser beam are more or less exposed and are therefore visible.
  • Fig. 4 shows a further embodiment of an identification card in a sectional view.
  • a base layer 11 On the outside of a base layer 11 there is a first color layer 13, under which there is a transparent lacquer layer 14 and a further color layer 12.
  • the color layers 13 and 12 have different colors.
  • the transparent lacquer layer which consists for example of a transparent synthetic resin, there are pigments in low concentration that absorb the laser light.
  • a laser beam penetrates the upper color layer 13 and degrades the affected area in the transparent lacquer layer 14 with the result that the upper color layer 13 is blown away in this area and thus through the hole created and through the exposed transparent lacquer layer 14 through which the underlying color layer 12 is visible.
  • there may be further layers of the identity card which are not of interest here, e.g. B. a layer on the back of the card. The same applies to the card shown in FIG. 2.
  • FIG. 5 shows an exemplary embodiment which is similar to the exemplary embodiment according to FIG. 2, with the exception that the first color layer 23 is formed here by a so-called halftone print which only gives the second color layer 22 a preferably continuously changing tint.
  • the raster print 23 consists of a fine black print, which lays a kind of shadow on the color layer 22, which z. B. continuously darkened from the lower edge of the ID card to the upper edge.
  • the labeled Areas differ from the unlabeled areas only in the different color tones.
  • embossments 34 running into a base layer 31 into the plane of the drawing, on the outside there is a continuous first color layer 33 which hardly absorbs laser light, and below the first color layer 33 there is a second color layer 32 (this can also be transparent) that the laser light absorbs. Individual areas of the color layers 32 and 33 are removed by scanning with a laser beam. The second color layer 32 can also only be removed to a certain depth so that its color is visible or replaced by a transparent lacquer layer sensitized in the form described above by admixing pigments. In the latter case, the top of the base layer 31 or the embossments 34 is then visible in the labeled areas.
  • the laser beam strikes the plane of the identity card at approximately a right angle.
  • the laser beam can also be directed onto the identity card at an acute angle, as is shown by the arrows P in FIG. 7.
  • the structure of the card according to FIG. 7 is similar in principle to the structure according to FIG. 6.
  • due to the oblique irradiation with laser light only the inclined surfaces 35 of the embossments 34 facing the light source are “labeled”, while the inclined surfaces 36 facing away from the light source are hardly or at all not be affected by laser light.
  • the outer color layer 33 is continuously visible from one side (from the left in FIG. 7), while from the other Side (right in Fig. 7) mainly the areas exposed by the inscription with laser light are visible.
  • FIG. 8 shows another representation of a layer 41 provided with an embossed structure 42 (alternating field shape).
  • z. B. a transparent, thermally degradable lacquer layer 45 and then an outer color layer 46.
  • the recording medium is scanned in accordance with the direction of the arrow at an acute angle by a laser beam, so that, for. B. line-shaped the base 41 is exposed on the inclined surfaces 35 of the embossed structure 42 shown in FIG. 7 and facing the laser.
  • a z. B. line-shaped recording process only sections 44 a b, c are exposed in a scanning line 44 due to shadowing by the embossed structures. The result is a direction-dependent image that cannot be reproduced in this form in terms of copying technology or photography.
  • such optically varying images can be applied over a large area to an identification card 50 by providing the entire card with, for example, individual embossing lines 51 which run through the card and essentially follow a predetermined direction.
  • an embossed structure 52 the embossed structures, as shown in FIG. 8, directly against one another adjacent in continuous form.
  • This area can e.g. B. can be labeled from different directions with different image motifs, which in turn can only be seen separately from the respective recording direction and can complement one another when viewed vertically.
  • the exemplary embodiments described last significantly increase the security against forgery of the identity card. Engraving of this type, which due to the inventive measure of removing partial areas of an upper color layer as extremely sharp-edged labeling areas on an uneven surface, cannot be achieved with simple means by mechanical engraving means.

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  • 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)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Printing Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP89121237A 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers Expired - Lifetime EP0372274B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94108562A EP0628431B1 (de) 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840729A DE3840729C2 (de) 1988-12-02 1988-12-02 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers
DE3840729 1988-12-02

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP94108562A Division EP0628431B1 (de) 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers
EP94108562.3 Division-Into 1989-11-16

Publications (3)

Publication Number Publication Date
EP0372274A2 EP0372274A2 (de) 1990-06-13
EP0372274A3 EP0372274A3 (de) 1991-04-10
EP0372274B1 true EP0372274B1 (de) 1995-02-15

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ID=6368372

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EP89121237A Expired - Lifetime EP0372274B1 (de) 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers
EP94108562A Expired - Lifetime EP0628431B1 (de) 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP94108562A Expired - Lifetime EP0628431B1 (de) 1988-12-02 1989-11-16 Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers

Country Status (6)

Country Link
US (1) US5298922A (es)
EP (2) EP0372274B1 (es)
JP (1) JP2885319B2 (es)
AT (2) ATE118407T1 (es)
DE (3) DE3840729C2 (es)
ES (1) ES2069565T3 (es)

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DE102007045911A1 (de) * 2007-09-26 2009-04-09 Thomas Kröning Verfahren zur Kennzeichnung von Produkten oder Verpackungen
CN100564058C (zh) * 2004-11-30 2009-12-02 默克专利股份有限公司 有价票证的激光标记方法

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DE3932505C2 (de) * 1989-09-28 2001-03-15 Gao Ges Automation Org Datenträger mit einem optisch variablen Element
DE4033300C2 (de) * 1990-10-19 1994-06-23 Gao Ges Automation Org Mehrschichtiger, kartenförmiger Datenträger und Verfahren zur Herstellung desselben
DE4410431A1 (de) * 1994-03-25 1995-09-28 Giesecke & Devrient Gmbh Vor unerlaubter Reproduktion mit einem Kopiergerät geschützte Ausweiskarte
DE4447428C2 (de) * 1994-05-18 1997-09-11 Orga Kartensysteme Gmbh Verfahren zur Herstellung eines in eine Ausweiskarte einzubringenden Bildes
DE4417343C2 (de) * 1994-05-18 1996-03-21 Orga Kartensysteme Gmbh Ausweiskarte und Verfahren zu deren Herstellung
DE4445822A1 (de) * 1994-12-21 1996-06-27 Giesecke & Devrient Gmbh Datenträger und Verfahren zu seiner Herstellung
DE29501488U1 (de) * 1995-01-31 1995-03-30 Granderath Gmbh J Fälschungssicherer Fahrausweis
CH690067A5 (de) * 1995-08-10 2000-04-14 Ovd Kinegram Ag Verfahren zur Herstellung teilmetallisierter Gitterstrukturen.
US5841464A (en) * 1995-10-25 1998-11-24 Gerber Scientific Products, Inc. Apparatus and method for making graphic products by laser thermal transfer
DE19541064A1 (de) * 1995-11-03 1997-05-07 Giesecke & Devrient Gmbh Datenträger mit einem optisch variablen Element
NL1001876C2 (nl) * 1995-12-12 1997-06-17 Ing Groep Nv Werkwijze voor het aanbrengen van een beveiligingskenteken op een voor- werp, zoals een bankpas, creditcard, identiteitsbewijs of onderdeel van een motor of machine.
DE19642040C1 (de) * 1996-10-11 1998-01-15 Schreiner Etiketten Mit einem Laserstrahl beschriftbare Folie
FI964406A0 (fi) * 1996-11-01 1996-11-01 Setec Oy Pass
DE19801589C2 (de) * 1998-01-17 2001-02-01 Bundesdruckerei Gmbh Verfahren zur fälschungssicheren Herstellung von Wert- und Sicherheitsdokumenten
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AUPQ125999A0 (en) 1999-06-28 1999-07-22 Securency Pty Ltd Method of producing a diffractive structure in security documents
DE19949881A1 (de) * 1999-10-15 2001-04-19 Bundesdruckerei Gmbh Wert- und Sicherheitserzeugnis mit Sicherheitsmerkmalen als variable Elemente und Verfahren zum Aufbringen dieser Sicherheitsmerkmale
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US6780012B1 (en) * 1999-12-20 2004-08-24 3M Innovative Properties Company Article with laser engraved identification mark
DE10139719A1 (de) * 2000-11-04 2002-05-08 Kurz Leonhard Fa Mehrschichtkörper, insbesondere Mehrschichtenfolie sowie Verfahren zur Erhöhung der Fälschungssicherheit eines Mehrschichtenkörpers
BR0115138A (pt) 2000-11-04 2004-02-17 Kurz Leonhard Fa Corpo de material sintético realizado como folha, por exemplo, como folha de transferência ou folha de laminação, ou revestido com uma folha deste tipo, e um processo para a produção de uma imagem multicolor sobre ou em um corpo de material sintético deste tipo
US6450540B1 (en) * 2000-11-15 2002-09-17 Technology Tree Co., Ltd Printed matter displaying various colors according to view angle
JP4748888B2 (ja) * 2001-07-09 2011-08-17 トッパン・フォームズ株式会社 記録媒体及びその製造方法
JP2003019884A (ja) * 2001-07-09 2003-01-21 Toppan Forms Co Ltd 記録媒体及びその製造方法
US20030035138A1 (en) * 2001-08-17 2003-02-20 Schilling Mary K. Internet-based custom package-printing process
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DE3840729A1 (de) 1990-06-13
EP0628431A1 (de) 1994-12-14
DE58909804D1 (de) 1997-07-24
ATE154548T1 (de) 1997-07-15
EP0372274A3 (de) 1991-04-10
US5298922A (en) 1994-03-29
EP0628431B1 (de) 1997-06-18
ATE118407T1 (de) 1995-03-15
DE58909000D1 (de) 1995-03-23
EP0372274A2 (de) 1990-06-13
DE3840729C2 (de) 1997-07-17
JP2885319B2 (ja) 1999-04-19
JPH02184497A (ja) 1990-07-18
ES2069565T3 (es) 1995-05-16

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