EP2301761B1 - Support d'impression pour la transmission d'informations confidentielles - Google Patents

Support d'impression pour la transmission d'informations confidentielles Download PDF

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Publication number
EP2301761B1
EP2301761B1 EP10015109.1A EP10015109A EP2301761B1 EP 2301761 B1 EP2301761 B1 EP 2301761B1 EP 10015109 A EP10015109 A EP 10015109A EP 2301761 B1 EP2301761 B1 EP 2301761B1
Authority
EP
European Patent Office
Prior art keywords
layer
film layer
separating
structured
adhesive
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.)
Active
Application number
EP10015109.1A
Other languages
German (de)
English (en)
Other versions
EP2301761A1 (fr
Inventor
Jules Fischer
Christian Portmann
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.)
Fofitec AG
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Fofitec AG
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Filing date
Publication date
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Publication of EP2301761A1 publication Critical patent/EP2301761A1/fr
Application granted granted Critical
Publication of EP2301761B1 publication Critical patent/EP2301761B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/025—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets with peel-away layer hiding information
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y10S428/915—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/14—Layer or component removable to expose adhesive
    • 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
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/1467—Coloring agent
    • 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
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/1486—Ornamental, decorative, pattern, or indicia
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers

Definitions

  • the invention relates to a print carrier for the transmission of confidential information with a transparent film layer on which the confidential information is imprinted on the front, and behind the film layer an unrecognizable agent is present, which makes it difficult to recognize the confidential information on the film layer.
  • Print carrier with confidential information e.g. Personal identification numbers of bank or credit cards are often sent by post.
  • the confidential information must be protected in such a way that it can not be read by third parties or, if applicable, also by the sender (for example bank employee) himself.
  • the recipient for whom the confidential information is intended should also be able to detect whether the confidential information has been read by third parties.
  • Print media in the form of forms comprising a printable with laser or inkjet printer, transparent film which is glued over an unrecognizable agent. Between the film and the unrecognizable agent is a transparent release layer, generally a silicone layer.
  • the confidential information is printed on the transparent film and is not readable in transmitted light due to the underlying unrecognizable means. Thus, the confidential information of, for example, bank clerks who print and pack the form may not be read under normal circumstances. Only when the end user slide and Unrecognizable means separates at the separation layer, the confidential information is recognizable.
  • Object of this invention is to provide additional security against unauthorized reading of the confidential information.
  • this can be achieved in the case of a print carrier of the type mentioned above for the transmission of confidential information in that the film layer on the front bears at least one structure pressure which does not contribute to the confidential information, which improves the effect of the unrecognizable means due to its irregular area coverage.
  • the structured surface creates a microtopography with elevations (where the texture pressure is present) and pits (where the texture pressure is absent), with portions of the printed confidential information obscured by bumps at small viewing angles in the pits, which further complicates unauthorized reading.
  • the inventive structure pressure can be applied with 15-85% area coverage, preferably with 30-70% area coverage.
  • the film layer is either a direct printable film such as e.g. an acetate sheet or is capable of enabling or improving its printability with a layer such as e.g. a print layer provided.
  • the film layer may be formed as such or by a full-surface applied layer such as a print layer on the front side glossy or matte and the
  • Structure pressure may be dull or glossy depending on this, resulting in a gloss contrast to the areas not covered by the structure pressure. Due to the interplay between matt and luster, this gloss contrast results in a reflection pattern in the specularly reflected light, in which reflections on the printed confidential information for the eye disappear. Unauthorized reading of the confidential information from a flat perspective is thereby made more difficult and the reading protection improved.
  • the inventive structure pressure is particularly transparent. However, it can also be whitish, rich in color or opaque, so that there is a hue contrast to the present behind the film layer unrecognizability.
  • the hue contrast can structure a structured unrecognizable agent more and thereby improve the reading protection. Also, a uniform, dark and unstructured unrecognizable agent may appear structured by a light and opaque structure pressure.
  • the structure pressure may have a structuring similar to that of the unrecognizable agent.
  • the gloss contrast and hue contrast may exist singly or in combination. They could also be realized by different layers. For example, for example, a glossy, transparent structural pressure could be arranged over another, opaque structural pressure.
  • a toner suitable for the printing of the confidential information or suitable ink may have a different affinity with respect to the structural pressure on the one hand and the areas not covered by it, on the other hand.
  • the toner or ink of confidential information will adhere less than on the higher affinity surfaces.
  • the adhesive strip will primarily produce the image of the toner or ink lying on the lower affinity surfaces and the confidential information is not readily apparent.
  • the print substrate however, a part of the toner or the ink is missing and the unauthorized reading attempt is evident.
  • a reagent ink may be wholly or partially used for the structural printing and / or another layer which irreversibly discolors under heat and / or solvent action and / or contains an absorber for infrared and / or ultraviolet radiation ,
  • a separating layer can be provided, which makes it possible to separate the transparent film layer and the unrecognizable agent from one another.
  • At least one non-transparent release ink is used for the release layer, which simultaneously forms the unrecognizable agent.
  • the release layer may be applied to the rear side of the transparent film layer and in turn be provided on the back with an adhesive layer, wherein the release layer adheres to the back of the transparent film layer with an adhesive force which is smaller than its adhesion to the adhesive layer.
  • the print carrier according to the invention is moreover preferably a manipulation-indicative form or a part of such a form with label, wherein the label comprises the transparent film layer and is glued to a paper layer of the form with the aid of an adhesive layer.
  • the aforementioned separating layer may in this case be applied on the rear side of the transparent film layer and the adhesive layer protrude beyond the separating layer on at least one side, but preferably on all sides, so that it permanently bonds the film layer to the paper layer and settles there upon detachment of the film layer Fiber tear in the paper results. To limit or support the fiber tear may be appropriate in the paper punched.
  • a structured, transparent release lacquer in particular in the form of a lettering, can furthermore be applied to the back of the film layer and the adhesive layer or at least one layer thereof dyed. Upon detachment, the film layer separates from the release coating where it is present. In places without release coating, however, the colored adhesive layer adheres to the film and then forms the lettering.
  • a similar effect is obtained if a structured, transparent adhesive lacquer is applied to the back of the film layer in the edge region of a release ink used for the release layer and the unrecognizability agent.
  • the unrecognizable agent does not detach from the film upon release of the film and forms thereon e.g. turn a lettering.
  • the transparent film layer may also consist of two layers which are glued together and wherein the front front side is printable and the rear side is provided with the release layer. This training allows in particular a format variable training of the print carrier.
  • the film layer carries on the reverse side the unrecognizability agent formed by at least one release color
  • a carrier layer is present behind the film layer, if an adhesive layer colored at least partially colored between the film layer and the carrier layer is present on one side of this adhesive layer is a first transparent release varnish in FIG If there is a second, structured release lacquer on the other side of this adhesive layer in the edge region around the unrecognizability agent, the first release lacquer faces the adhesive layer, but less easily than the second, structured release lacquer in relation to this adhesive layer or to the foil layer or the carrier layer , Even with this form of training can be in the separation of film layer and unrecognizability produce a lettering.
  • the support layer may be provided on the back with a further adhesive layer and be glued to it, for example, on a paper layer of a form. No punches are required in the form.
  • a carrier layer on the front carries the layered unrecognizable agent, differing therefrom in hue, if the transparent film layer is adhesively bonded to the unrecognizable agent by means of an adhesive layer, a structured release coating is present between the unrecognizable agent and the carrier layer
  • the adhesive force between the unrecognizable agent and the adhesive layer, on the one hand, and between the unrecognizable agent and the carrier layer, on the other hand is greater than the adhesion of the adhesive layer to the transparent film layer and is in turn greater than the adhesion of the structured release coating to the carrier layer or the unrecognizable agent the cohesion of the adhesive layer is greater than the adhesion of the adhesive layer to the transparent film layer.
  • the adhesive force between the unrecognizable agent and the adhesive layer, on the one hand, and between the unrecognizable agent and the carrier layer is greater than the adhesion of the adhesive layer to the transparent film layer and is in turn greater than the adhesion of the structured release coating to the carrier layer or the unrecognizable agent the cohesion of the adhesive layer is greater than the adhesion of the adhesive layer to the transparent
  • a contrast reference field may be provided in a region of the form adjacent to the unrecognizable means which has the same hue as the unrecognizable means when viewed through the foil layer before it and the unrecognizable means at the Separating layer are separated from each other.
  • the contrast reference field enhances the visibility of the contrast reduction in most embodiments with respect to the appearance of the unrecognizable agent after separation of the film layer from the unrecognizable agent.
  • the layer thicknesses are not displayed realistically thick for better visibility.
  • Realistic layer thicknesses are in the range of about 1 - 100 microns.
  • FIGS. 1a-1e each show a print carrier for transmitting a confidential information 1 with a transparent film layer 3, behind which an unrecognizable agent U is present, which forms a visible through the transparent film layer 3 background and thereby the recognizability of confidential information 1, for example, with laser or Inkjet printer is printed on the front of the film 3, at least considerably more difficult.
  • the unrecognizable agent U is applied as a coating in each case directly on the film layer 3.
  • additional layers (not shown) between the unrecognizable agent U and the film layer 3 could also be present, for example a separating layer.
  • the region of the unrecognizable means U could comprise only a portion of the film layer 3.
  • the film 3 carries on the front side in each case a structural pressure 15, which on the one hand supports the effect of the unrecognizable means U, but on the other hand also supplements and thus improves the reading protection of the confidential information 1.
  • the structure pressure 15 forms on the film 3 a microtopography with elevations. From a printed confidential information 1 parts 16 come to rest on these increases, while other parts 17 come to lie on the film layer 3 in the valleys in between. When viewed at a small angle, the parts 17 of the confidential information 1 lying in the valleys are partially hidden behind the elevations, which makes the confidential information 1 more recognizable and readable.
  • the film layer 3 is formed shiny or matt and the structure pressure 15 is depending on this dull or shiny, so that there is a gloss contrast to the uncovered by the structure pressure 15 surfaces.
  • a matt structure pressure 15 on a glossy film layer 3, for example a polyester film leads to an interplay between matt and gloss. The same effect is exhibited when a shiny structure pressure 15 is applied to a matt film layer 3, for example an acetate film.
  • Confidential information 1 stored on a uniform surface e.g. an untreated film layer 3 or a matt layer applied over its entire surface, depending on the nature of the toner or ink used, despite unrecognizability U under certain angles, may be read, if appropriate, especially if the angle of view is equal to the angle of incidence of the light.
  • This effect is due to the different reflections of the light on the unitary surface on the one hand and on the toner or ink on the other hand. For example, a high gloss area results in strong directional or specular reflection, while a low gloss area results in diffuse reflection.
  • the structural pressure 15 and thus the reflection pattern can in particular be structured in the same way as the unrecognizable agent U, if this is structured.
  • the structure pressure 15 is in particular transparent. However, it can also be whitish, with a deep-colored or opaque design, so that there is a color tone contrast to the unrecognizable agent U present behind the film layer 3. Due to its hue contrast, the structure pressure can structure a structured unrecognizable agent U more strongly and thereby improve reading protection. Also, a uniform, dark and unstructured unrecognizable means U may appear structured by a light and opaque structure pressure.
  • the gloss contrast and hue contrast may exist singly or in combination. They could also be realized by different layers. For example, a glossy, transparent structure print could over another, opaque Structural pressure to be arranged, which are not nationwide, but can overlap.
  • Fig. 1b differs from the embodiment in Fig. 1 a is that between the structural pressure 15 and the film layer 3 is a full-surface applied transparent layer 18, which is glossy or matt and formed together with the structure pressure 15 generates the mentioned reflection pattern.
  • the layer 18 applied over the entire surface can serve as a printable layer on a self-printable film layer 3, such as a polyester film.
  • Fig. 10c differs from the embodiment in FIG.
  • a second structure pressure 15a is applied between the film layer 3 and the layer 18 applied over the entire surface.
  • the first structure pressure 15 produces a gloss contrast
  • the second structure pressure 15a produces a color tone contrast.
  • the embodiment of Fig. 1d differs from the embodiment in Fig. 1b in that between the layer 18 applied over the entire surface and the film layer 3 is a transparent separating layer 19.
  • a transparent separating layer 19 Between the layer 18 applied over the entire surface and the film layer 3 is a transparent separating layer 19.
  • the release layer 19 instead of the layer 18 of the film layer 3 detaches.
  • the layer 18 could also have a low affinity directly opposite the film layer 3, so that no separate separation layer 19 is necessary at all.
  • Fig. 1e differs from the embodiment in Fig. 1 a in that the transparent film layer 3 consists of two layers 3a, 3b, which are glued using a laminating adhesive 13.
  • the structure pressure 15a lies between the two layers 3a, 3b.
  • the front-side layer 3a of the film layer may additionally have the layer 18 applied over the entire surface.
  • the pattern pressure 15 may have a different affinity to toner or ink than the areas not covered by it.
  • the pattern pressure 15 may have certain release layer properties such that toner or ink has little adhesion to it.
  • the film layer 3 or the over-all coated layer 18 should have a comparatively good adhesion to the toner or the ink.
  • the structure pressure 15 can also be used as a scattering pressure to produce a writing such as, for example, VOID include, so that on the tape a positive image of the lettering arises. Conversely, the unauthorized reading of the confidential information 1 as a negative image of the lettering, e.g. VOID, visible on the print carrier.
  • a similar effect can be achieved by using a film layer 3 such as e.g. a polyester film on which toner or ink adheres only comparatively weakly in combination with a structured matt layer as a structural print 15, on which toner or ink adheres comparatively better.
  • a film layer 3 such as e.g. a polyester film on which toner or ink adheres only comparatively weakly in combination with a structured matt layer as a structural print 15, on which toner or ink adheres comparatively better.
  • the effect of partially transferring the confidential information 1 to an adhesive tape can also be achieved by having the structural pressure 15 lower in affinity to an adjacent layer, such as the film layer 3 or the layer 18, than the toner or ink him and the areas not covered by him.
  • a corresponding separation could also be provided with respect to the structure pressure 15a with respect to the layers 3 or 18 and lead to the same effect.
  • a reagent color may be used which irreversibly discolors under the action of heat and / or solvent.
  • the structure pressure 15, 15a or another layer may also contain an absorber for infrared and / or ultraviolet radiation, which protects against attacks in the special light.
  • the embodiment of Fig. 1c is advantageous when using a heat-sensitive reagent color as a second structure pressure 15a, since it is arranged protected under the layer 18 applied over the entire surface and does not already discolored at the temperatures occurring in laser printers. The same applies to the layer 15 in FIG Fig. 1e , which is arranged protected under the film layer 3a.
  • the film layer 3 can be made detachable from the unrecognizable agent U.
  • the unrecognizable agent U can be provided with an adhesive layer 4 on the reverse side and, in particular, permanently adhered to a paper surface of a form 5 with this adhesive layer 4 in the manner of a label, as in FIG Fig. 2a shown. With this arrangement, the film layer 3 can be peeled off the unrecognizable agent U, leaving the unrecognizable agent U on the adhesive layer 4, and the confidential information on the film layer 3 becomes readable.
  • a transparent separating layer can be provided between the film layer 3 and the unrecognizable means U.
  • a non-transparent release ink 6 can preferably also be used, as is Fig. 2a also shows.
  • this release ink 6 further has the property that it can no longer be connected to it after being detached from the transparent film layer 3. A detachment of the film layer 3 for unauthorized reading of the confidential information 1 can not be easily undone and remains recognizable.
  • Fig. 2a is the unrecognizability U unstructured, nationwide uniformly dark. A sufficient unrecognizability for the confidential In this case, however, information results from the interaction with the structure pressure 15.
  • the unrecognizable means U can also be structured itself.
  • FIGs 2b - 2d different variants for structuring and improving the unrecognizable means U are shown.
  • Fig. 2b is combined with the first blanket applied, dark release color 6a, a second separation color 6b for the unrecognizable agent.
  • the second release ink 6b is a structured, light-colored release ink and, viewed from the front side, lies above the blanket paint 6a applied over the entire surface.
  • the structured, bright release ink 6b is applied, for example, with 20-50% area coverage with respect to the dark release ink 6a.
  • the structured release ink 6b has the same adhesive properties as the full-coverage release paint 6a. Upon detachment of the film layer 3, the structured release ink 6b also dissolves from the film layer 3.
  • Fig. 2c The variant of Fig. 2c is different from that of Fig. 2b in that the color properties of the two separating colors 6a, 6b are reversed.
  • the structured release ink 6b is here dark and the full-coverage release paint 6a bright or even transparent, the dark release ink 6b is applied, for example, with 50 - 80% area coverage.
  • the unrecognizable agent 6 consists of two differently colored release dyes 6c, 6d, which are each structured and complement each other with respect to their areal coverage.
  • the darker of the two release colors is preferably applied with 50-80% areal coverage.
  • the unrecognizable means U is partly structured and partly unstructured. It should be understood, however, that in each case one of the other variants described above could be used.
  • Fig. 3a - 3c shows a print carrier as part of a form 5, in contrast to the embodiment of Fig. 2a the unrecognizable agent U is applied in the form of a release ink 6 on the back of the transparent film layer 3 is only part of the surface.
  • the film layer 3 is on the back side thereof over the whole surface as shown or at least to one side with an adhesive layer 4 projecting beyond the unrecognizable means, with which it is permanently glued to a paper layer of the form 5.
  • the permanent bonding can not be achieved nondestructively so that the paper layer of the form 5 fibrils when lifting the film layer 3, as this Fig. 3c shows.
  • the fiber tear represents an efficient security feature on the basis of which the attempt of an unauthorized third party to read the confidential information 1 by detaching the film layer 3 is subsequently recognizable.
  • At least one punched 9 is provided as a tear stopper along an edge zone of the release ink 6 in the tear direction in front of this.
  • the stamping 9 preferably has a depth of about half the thickness of the paper layer of the form 5, but may also be deeper or less deep. It does not pass completely through the paper layer and thus nothing can be pushed between the release ink 6 and the film layer 3 to thereby make the confidential information readable.
  • a tab 8 may be partially cut out in the form paper 5, wherein a portion of the tab 8 below the film layer 3, but not below the release ink 6, and a portion of the tab 8 on the film layer third protrudes. Webs 11 hold the tab 8 in the plane of the form paper 5, this in Fig. 3b is apparent. By breaking the webs 11, the tab 8 can be bent upwards out of the form plane, grasped with two fingers and used as a handle for detaching the film layer 3.
  • punching 9 should at least be present along separating color 6 on the same side as tab 8. If the separation color 6 seen from the front as in Fig. 3b represented an approximately rectangular surface forms can additionally be provided along the longitudinal sides of the rectangular surface punched, which prevent the spreading of the fiber tear 12 from the sides into the region of the release ink 6.
  • Another punching 10 is as in Fig. 3b can be seen from the front of the form paper 5 at least partially along the film layer 3, but not below this attached to prevent spreading of the fiber tear 12 in the area outside the film layer 3. All stamping 9, 10 and the cut for the tab 8 can be attached in one step in web finishing in the front of the form paper 5.
  • the adhesive force mediated by the adhesive layer between the transparent film layer and the paper layer of the form can also be reduced or eliminated.
  • the tear-stop agent may be formed by an adhesive-free zone, a release paper layer or another release layer. It may be possible to dispense with a stamping of the form paper.
  • the tear stop agent is located in the label and can be affixed directly onto a form. This can greatly facilitate the production of tamper-evident forms with etiquette.
  • an initiator When using a tack-free zone or silicone paper strip as a release aid, it may be necessary to apply an initiator to facilitate the formation of the desired fiber tear.
  • an initiator is e.g. a punching in the form paper in the direction of tear directly after the removal assistance and before the stop the rice.
  • the marking agent can also be combined with a tab.
  • Fig. 4a - 4c differs from the embodiment in Fig. 3a - 3c in that the film layer has no unrecognizable agent only at two opposite edge regions and is permanently glued there to the paper layer 5 of the form.
  • the length of the label is not fixed and the label and can be cut to length depending on the length of réelletik confidential information 1 variable from an endless belt.
  • the transparent film layer 3 consists of two layers 3a, 3b, wherein the upper layer 3a is printable on the front side and the lower surface moderately smaller and back with the release ink 6 than the Unrecognizable means U provided layer 3b is bonded by means of an adhesive layer 13 with the upper layer 3a.
  • the same structure is obtained by using the adhesive layer 4 for bonding the two film layers 3a, 3b together and the adhesive layer 13 for bonding the release ink 6 to the paper layer of the form 5.
  • the lower layer 3b with the release ink 6 and the rear adhesive layer 13 could be glued on a form paper in a first step and then in a second step, the upper layer 3a using the adhesive layer 4 above. With uniform formation of the two layers with respect to their area, these could each be cut out of a larger piece of material only immediately prior to sticking, whereby a high degree of flexibility in respect of the size of the unrecognizable means U and the entire label in length and width is achieved.
  • a structured, transparent release coating 6e is applied to the back of the film layer 3 around the region of the unrecognizable agent formed here by the release paints 6a, 6b.
  • the release coating 6e has approximately the same adhesive properties with respect to the film layer 3 as the release paints 6a, 6b.
  • the structured, transparent release varnish 6e is applied so that the locations where no release varnish 6e is present form a lettering, eg VOID.
  • the film layer 3 with the release paints 6a, 6b and the release lacquer 6e is provided on the back with an adhesive layer, the adhesive layer consisting of a film-side layer 4a and a form-side layer 4b.
  • the film-side layer 4a of the adhesive layer is, for example bluish, colored.
  • the film layer 3 If the film layer 3 is raised, it also releases, apart from in the region of the unrecognizable agent, from the colored, film-side layer 4a of the adhesive layer at the points where the release lacquer 6e is located. At the points without release varnish 6e, the dyed, film-side layer 4a of the adhesive layer adheres to the film layer 3, as a result of which the VOID lettering on the detached film becomes visible.
  • the VOID lettering has a maximum of about 20% area coverage and the release varnish accordingly an area coverage of more than 80%. Because the locations where no release varnish 6e is present are thereby relatively small, the form-side layer 4b of the adhesive layer there loosens from the form paper 5 without creating a fiber tear 12. On the other hand, where no release lacquer 6e and no release ink 6a, 6b are present in larger coherent areas, the form paper 5 is defibered when the film layer 3 is lifted off, as shown in FIG Fig. 6c can be seen on the right edge of the film layer 3.
  • a tack-free zone 30 is present along an edge zone of the film layer.
  • a similar detachment aid is formed when, before applying the illustrated construction as an adhesive label on the paper carrier 5 of the form from a silicone paper support of the silicon paper carrier a few millimeters far inside cut from the edge of the label and peeled off during dispensing so that a narrow edge strip remains on the label and the film layer in the area of this edge strip can not stick to the form paper.
  • FIG Fig. 6a - 6c The area of the film layer 3 which lies between the tack-free zone 30 and the unrecognizable agent is in FIG Fig. 6a - 6c also provided with the structured, transparent release coating 6e in the form of a lettering such as VOID. Since, as explained above, in the areas in which this lettering is present, the paper material does not defibrillate upon detachment of the film layer 3, here in the direction of tear in front of the unrecognizable agent can be dispensed with tear stopper, for example a punched.
  • tear stopper for example a punched.
  • the unrecognizable agent could be in the embodiment of Fig. 6a -6c
  • a structured, transparent release ink 6b in combination with a full-coverage dark release paint 6a.
  • the transparent release ink 6b and the transparent release paint 6e could be made from the consist of the same material, which could also be applied simultaneously to the film layer 3.
  • the VOID lettering could also be formed by the release varnish 6e itself, ie by the points where release varnish 6e is present.
  • the area coverage by the release coating 6e should be at most 20%.
  • the small area coverage of the release coating 6e is not sufficient to release the film-side layer 4a of the adhesive layer from the film layer 3 when the film layer 3 is raised as intended.
  • the result is a fiber tear in the form as in the example of Fig. 3 , As in this example, to limit the fiber tear, it also takes at least one stop punch.
  • Authorized lifting of the film layer 3 does not allow the VOID logo to be recognized. However, the VOID logo becomes apparent as soon as, for example, an attempt is made to penetrate with a thin knife between the film layer 3 and the unrecognizable agent.
  • the two-ply adhesive layer 4a, 4b could, as in Fig. 8 the layer 4c also be designed as a single layer, in which case this one layer is dyed.
  • Fig. 7 1 shows an embodiment of a print carrier as part of a form 5, in which a structured, transparent adhesive varnish 4d is applied on the back of the film layer 3 in the edge region of a release ink 6 also used for the unrecognizability means U, so that the locations where it is present a lettering, eg VOID form. If the film layer 3 detached, it dissolves from the release ink 6 except at the points where the adhesive varnish 4d is located. This goes with the film and in turn takes with him the underlying separation color 6, so that on the detached film the lettering VOID is recognizable.
  • a structured, transparent adhesive varnish 4d is applied on the back of the film layer 3 in the edge region of a release ink 6 also used for the unrecognizability means U, so that the locations where it is present a lettering, eg VOID form. If the film layer 3 detached, it dissolves from the release ink 6 except at the points where the adhesive varnish 4d is located. This goes with the film and in turn takes with him
  • the film layer could also be coated over the whole area with the release ink 6.
  • Fig. 8a and 8b show a print carrier as part of a form in which the film layer 3 on the back carries the unrecognizable agent formed by release paints 6a / 6b and is also coated over the entire surface with a first transparent release paint 6e.
  • a carrier layer 7 of paper or foil carries on the front side in the edge region around the unrecognizability agent around a second, structured release coating 6g and over the entire surface except a Abl Harborzone 30 a, eg bluish, colored adhesive layer 4c, which is in contact with the first release lacquer layer 6e.
  • the places where the second release lacquer 6g is present form a lettering, eg VOID.
  • the separating lacquer 6g separates from the carrier layer 7, namely lighter than the adhesive layer 4c, with respect to the first separating lacquer layer 6e.
  • the carrier layer 7 is glued to the front of a paper layer of the form 5 by means of a second adhesive layer 4b.
  • the separation in the region of the unrecognizable agent runs between the release colors 6a / 6b and the film layer 3, as in FIG Fig. 8b shown. Outside the region of the unrecognizable agent, the separation proceeds where no second release lacquer 6g is present between the first release lacquer 6e and the adhesive layer 4c. Where the second release lacquer 6g is present outside of the unrecognizable agent, the separation between it and the carrier layer 7 proceeds.
  • the second release lacquer 6e and the colored adhesive layer 4c lying above it go along with the foil and form the aforementioned lettering on it.
  • the release coating 6g could also separate from the adhesive layer 4c.
  • the adhesive layer could be 4c, as in the example of Fig. 6 , be composed of two layers, with only one of the layers is colored. The separation could be done in this case, almost cohesive, between the two layers.
  • the surfaces of the adhesive layer 4c exposed during a separation are dry, ie not sticky.
  • the first, substantially full-area release lacquer 6e and the second, structured release lacquer 6g could also be interchanged with respect to their position, wherein the second structured release lacquer 6g would come to the rear side of the foil layer 3 and have a structure similar to that in FIG Fig. 6a - 6c would result.
  • the structure of the structured release coating 6g with respect to the formation of the lettering, eg VOID, could also be inverted.
  • the Fig. 9a - 9c show a print carrier as part of a form 5, in which all layers of the print carrier (the label) are the same size and uniform over its entire surface.
  • the print carrier can thereby be cut to length and / or cut out of a larger piece, in particular a continuous web, after Beilichen and is therefore completely variable in format.
  • a support layer 7 made of paper or foil carries on the front side the unrecognizable agent U in the form of a preferably full-area coating and differs therefrom in color.
  • the transparent film layer 3 is glued to the unrecognizable agent U on the front side with the aid of a first, transparent adhesive layer 4a in such a way that the film layer 3 is detachable from the adhesive layer 4a again.
  • a transparent separating layer 19 may additionally be provided for this purpose, which separates from the film layer 3 or the adhesive layer 4a.
  • the adhesive layer 4a also has a certain internal cohesion as well as certain elastic properties which will be discussed later.
  • the carrier layer 7 is glued to the front of a paper layer of the form 5 by means of a second adhesive layer 4b. Confidential information 1 can not be determined before the transparent film layer 3 and the unrecognizable agent U at the adhesive layer 4a and the separating layer 19 are separated from each other.
  • a structured release lacquer 6e with 20% to 50% area coverage, by which a lettering, e.g. VOID, is formed.
  • the adhesive force between the unrecognizable agent U and the first adhesive layer 4a on the one hand and between the unrecognizable agent U and the carrier layer 7 on the other hand is greater than the adhesion of the first adhesive layer 4a to the transparent film layer 3. This in turn is greater than the adhesive force of the structured release coating 6e the carrier layer 7 or the material of the unrecognizable agent U.
  • the cohesion of the first adhesive layer 4a is greater than its adhesion to the transparent film layer 3rd
  • a tab 8 is again provided.
  • the section in the region of the flap 8, which below the Film layer 3 is here extends through the carrier layer 7, so that the film layer 3 when lifting the tab 8 of the adhesive on the form 5 carrier layer 7 and thus can be separated from the unrecognizable means U. If, with a suitable setting of the aforementioned adhesive forces, the film layer 3 can be detached from its base relatively easily, it may possibly be possible to dispense with the tab 8 or another detachment aid in this exemplary embodiment.
  • the release lacquer 6e initially dissolves from the carrier layer 7.
  • the mentioned elastic properties of the first adhesive layer 4a and its cohesion cause the dissolved release lacquer pieces 6e and with them the areas of the unrecognizable means U which cover them not completely removed from the support layer 7, but only briefly raised and then, because of the lateral pull on the film layer 3, laterally slightly displaced, as in Fig. 9c shown.
  • the first adhesive layer 4a then completely detached from the film layer 3 and the release layer 19.
  • the lettering eg VOID
  • the displacement of the release lacquer pieces 6e is not reversible. It remains in particular preserved and the lettering visible when the film layer 3 is glued back onto the form. The effect is therefore a very effective way to detect unauthorized reading.
  • a structured release coating 6e a structured adhesive is used and the unrecognizable agent U is e.g. is designed as a release color and opposite to the carrier layer 7 separates.
  • the structure of the structured adhesion lacquer would usefully be additionally inverted with regard to the lettering.
  • the lettering if provided, occur on the detached film layer either positive or negative in appearance, where positive means that the characters forming the letter dark in a bright Environment are shown. Conversely, negative means, conversely, that the characters forming the lettering are displayed brightly in a dark environment.
  • a contrast reference field K be present, which corresponds to the kind and especially contrast to the visible through the film layer 3 through unrecognizable means U and that while the film layer 3 is still original with the unrecognizable agent U is connected.
  • Fig. 10b shows, in Fig. 10b the film layer 3 in the left part of the unrecognizable means U has been detached.
  • the contrast reference field K enhances the recognizability of this effect and makes the reduction in contrast recognizable even when it has been uniformly brought about on the entire surface of the film layer 3 and / or the unrecognizable means U.
  • the contrast reference field K may e.g. can be applied by printing on the paper carrier 5 of a form and could also extend into the region of the unrecognizable means U or be applied over the entire surface.
  • contrast reference field could also be considered as a standalone inventive concept.
  • the confidential information 1 or 16 and 17 was mentioned in the above examples only for a better understanding of the invention, shown and described. However, it does not form part of the invention, which is directed to a print carrier as such.
  • the confidential information is usually added only in a final, separate processing step - for example, by a bank in the case of a PIN code of a credit card - whereas the inventive print carrier as such is made ready in advance by a specialized manufacturer.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Decoration By Transfer Pictures (AREA)

Claims (15)

  1. Support d'impression permettant de transmettre une information confidentielle (1), comportant un film (3) transparent sur la face avant duquel peut être imprimée l'information confidentielle (1), un moyen d'illisibilité (U) étant prévu derrière le film (3), et une couche de séparation et le moyen d'illisibilité (U) étant agencés de telle sorte que la possibilité de lire l'information confidentielle (1) est sensiblement compliquée, avant que le film (3) transparent et le moyen d'illisibilité (U) puissent être séparés l'un de l'autre sur la couche de séparation, caractérisé en ce que pour la couche de séparation on utilise au moins une couleur de séparation (6, 6a, 6b) non transparente, laquelle forme en même temps le moyen d'illisibilité (U).
  2. Support d'impression selon la revendication 1, caractérisé en ce que la couche de séparation est appliquée sur la face arrière du film (3) transparent et la face arrière de ladite couche de séparation est, quant à elle, revêtue d'une couche de colle (4), et ladite couche de séparation adhérant sur la face arrière du film (3) transparent avec une force d'adhérence inférieure à sa force d'adhérence par rapport à la couche de colle (4).
  3. Support d'impression selon la revendication 1 ou 2, caractérisé en ce que ledit support d'impression est un formulaire (5) indicatif de manipulation ou une partie d'un tel formulaire avec une étiquette, ladite étiquette comprenant le film (3) transparent et étant collée au moyen d'une couche de colle (4, 4b) sur une couche de papier du formulaire (5).
  4. Support d'impression selon les revendications 2 et 3, caractérisé en ce que la couche de séparation est appliquée sur une partie de la surface de la face arrière du film (3) transparent, et la couche de colle (4, 4b) déborde de la couche de séparation au moins sur un côté, de préférence cependant sur tous les côtés, et relie le film (3) en permanence à la couche de papier.
  5. Support d'impression selon la revendication 4, caractérisé en ce que dans une zone, dans laquelle la couche de colle (4a, 4b) déborde de la couche de séparation (6a, 6b) et du moyen d'illisibilité (U), un vernis de séparation (6e) transparent structuré est appliqué sur une partie de la surface de la face arrière du film (3), et la couche de colle ou au moins une épaisseur (4a) de celle-ci est teintée par ledit vernis.
  6. Support d'impression selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le film (3) transparent est constitué de deux couches (3a, 3b) qui sont collées l'une à l'autre, la couche avant pouvant être imprimée sur sa face avant et la couche arrière étant revêtue, sur sa face arrière, de la couche de séparation (U/6).
  7. Support d'impression selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un vernis adhésif (4d) transparent structuré est appliqué sur la face arrière du film (3) dans la zone de bordure d'une couleur de séparation (6) utilisée pour la couche de séparation et le moyen d'illisibilité (U).
  8. Support d'impression selon la revendication 1 , caractérisé
    en ce que le film (3) porte sur sa face arrière le moyen d'illisibilité (U) formé par au moins une couleur de séparation (6a / 6b),
    en ce que derrière le film (3) est prévue une couche support (7),
    en ce qu'une couche de colle (4c), teintée au moins sur une partie de son épaisseur, est prévue entre le film (3) et la couche support (7),
    en ce qu'un premier vernis de séparation (6e) transparent est prévu sensiblement sur toute la surface de l'une des faces de ladite couche de colle (4c),
    en ce que sur l'autre face de ladite couche de colle (4c), dans la zone de bordure autour du moyen d'illisibilité (U), est prévu un deuxième vernis de séparation (6g) structuré, et en ce que le premier vernis de séparation (6e) fait la séparation avec la couche de colle (4c), néanmoins moins facilement que le deuxième vernis de séparation (6g) structuré avec ladite couche de colle (4c) ou avec le film (3) ou la couche support (7).
  9. Support d'impression selon la revendication 1 , caractérisé
    - en ce qu'une couche support (7) porte sur sa face avant le moyen d'illisibilité (U) réalisé sous forme de couche et se différencie de ce dernier par la nuance de couleur,
    - en ce que le film (3) transparent est collé de manière amovible sur la face avant du moyen d'illisibilité (U) à l'aide d'une couche de colle (4a),
    - en ce qu'un vernis de séparation (6e) structuré est prévu entre le moyen d'illisibilité (U) et la couche support (7),
    - en ce que la force d'adhérence entre le moyen d'illisibilité (U) et la couche de colle (4a), d'une part, et entre le moyen d'illisibilité (U) et la couche support (7), d'autre part, est dans chaque cas supérieure à la force d'adhérence de la couche de colle (4a) sur le film (3) transparent, et en ce que ladite force d'adhérence est également supérieure à la force d'adhérence du vernis de séparation (6e) structuré sur la couche support (7) ou le moyen d'illisibilité (U), et
    - en ce que la cohésion de la couche de colle (4a) est supérieure à la force d'adhérence de la couche de colle (4a) sur le film (3) transparent.
  10. Support d'impression selon l'une quelconque des revendications 1 à 9, caractérisé en ce que ledit support est un formulaire (5) indicatif de manipulation ou une partie d'un tel formulaire, et en ce que dans une zone du formulaire, adjacente au moyen d'illisibilité (U), est disposée une zone de référence du contraste (K), qui possède la même nuance de couleur que le moyen d'illisibilité (U) lorsqu'on observe le moyen d'illisibilité (U) à travers le film (3), avant que ce dernier et le moyen d'illisibilité (U) soient séparés l'un de l'autre au niveau de la couche de séparation.
  11. Support d'impression selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le film (3) porte sur sa face avant au moins une impression structurée (15), qui ne contribue pas à l'information confidentielle (1) et qui, par son recouvrement irrégulier de la surface, améliore l'effet du moyen d'illisibilité (U).
  12. Support d'impression selon la revendication 1, caractérisé en ce que le film (3) en tant que tel ou au moyen d'une couche (18) appliquée sur toute la surface, est réalisé avec une face avant brillante ou mate, et en ce que, en fonction de cela, l'impression structurée (15) est mate ou brillante, de telle sorte qu'il se produit un contraste de brillance par rapport aux surfaces non revêtues de celle-ci.
  13. Support d'impression selon l'une quelconque des revendications 1 à 12, caractérisé en ce que l'impression structurée est transparente.
  14. Support d'impression selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le moyen d'illisibilité (U) est structuré et l'impression structurée (15) possède sensiblement la même structuration que le moyen d'illisibilité (U).
  15. Support d'impression selon l'une quelconque des revendications 1 à 14, caractérisé en ce que pour la couche de séparation on utilise une couleur de séparation claire ou transparente, appliquée en recouvrement de toute la surface, combinée à une couleur de séparation foncée structurée qui, vue à partir de la face avant, est située au-dessus, ladite couleur de séparation foncée structurée étant appliquée avec un recouvrement de surface à moins de 100 %, par rapport à la couleur de séparation claire ou transparente, de préférence un recouvrement de surface de 50 à 80 %.
EP10015109.1A 2008-05-15 2009-05-06 Support d'impression pour la transmission d'informations confidentielles Active EP2301761B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH7402008 2008-05-15
US12/355,916 US8202593B2 (en) 2008-05-15 2009-01-19 Printing carriers for transferring confidential information
EP09745362.5A EP2285588B1 (fr) 2008-05-15 2009-05-06 Support d'impression pour la transmission d'information confidentielle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP09745362.5 Division 2009-05-06

Publications (2)

Publication Number Publication Date
EP2301761A1 EP2301761A1 (fr) 2011-03-30
EP2301761B1 true EP2301761B1 (fr) 2013-09-11

Family

ID=40193732

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09745362.5A Active EP2285588B1 (fr) 2008-05-15 2009-05-06 Support d'impression pour la transmission d'information confidentielle
EP10015109.1A Active EP2301761B1 (fr) 2008-05-15 2009-05-06 Support d'impression pour la transmission d'informations confidentielles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09745362.5A Active EP2285588B1 (fr) 2008-05-15 2009-05-06 Support d'impression pour la transmission d'information confidentielle

Country Status (3)

Country Link
US (1) US8202593B2 (fr)
EP (2) EP2285588B1 (fr)
WO (1) WO2009137949A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014108818A1 (de) * 2014-06-24 2015-12-24 Schreiner Group Gmbh & Co. Kg Satz von Dokumenten zum ausspähsicheren Übermitteln von Daten und Herstellverfahren
DE102015006334A1 (de) * 2015-05-19 2016-11-24 Ksg - Kappelmaier Service Gmbh Träger zum Aufbringen geheimhaltungsbedürftiger Daten und Datenträger mit aufgebrachten geheimhaltungsbedürftigen Daten
DE102016115428A1 (de) * 2016-08-19 2018-02-22 Schreiner Group Gmbh & Co. Kg Dokument zum ausspähsicheren Übermitteln einer vertraulichen Information
DE102019103495A1 (de) * 2019-02-12 2020-08-13 Schreiner Group Gmbh & Co. Kg Gegenstand zum Schutz einer vertraulichen Information vor Ausspähung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5772248A (en) * 1995-12-07 1998-06-30 Verify First Technologies, Inc. Document with tamper and counterfeit resistant relief markings
FR2762336B1 (fr) * 1997-04-21 1999-06-11 Francois Trantoul Procede de fabrication d'un film a motif non reproductible par lecture optique pour la protection de documents
AUPP027397A0 (en) 1997-11-07 1997-12-04 Documotion Research, Inc. Tamper-evident form for securely carrying confidential information
AU4045699A (en) 1998-06-05 1999-12-30 Michel Lata S.A. Confidential document for laser or ink jet printer
US6481753B2 (en) * 1998-10-30 2002-11-19 Documotion Research, Inc. Form for concealing variable printed information
AUPP931399A0 (en) 1999-03-16 1999-04-15 Documotion Research, Inc. Improved tamper-evident form
GB0202646D0 (en) * 2002-02-05 2002-03-20 Optaglio Ltd Secure hidden data protection optically variable label
GB0325946D0 (en) * 2003-11-06 2003-12-10 Optaglio Ltd Tamper resistant data protection security laminates

Also Published As

Publication number Publication date
WO2009137949A1 (fr) 2009-11-19
EP2285588A1 (fr) 2011-02-23
EP2285588B1 (fr) 2013-11-20
US20090286052A1 (en) 2009-11-19
EP2301761A1 (fr) 2011-03-30
US8202593B2 (en) 2012-06-19

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