EP0070507B1 - Verfahren zur Herstellung eines kartenförmigen Informationsträgers - Google Patents

Verfahren zur Herstellung eines kartenförmigen Informationsträgers Download PDF

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Publication number
EP0070507B1
EP0070507B1 EP82106291A EP82106291A EP0070507B1 EP 0070507 B1 EP0070507 B1 EP 0070507B1 EP 82106291 A EP82106291 A EP 82106291A EP 82106291 A EP82106291 A EP 82106291A EP 0070507 B1 EP0070507 B1 EP 0070507B1
Authority
EP
European Patent Office
Prior art keywords
emulsion
layer
carrier
auxiliary carrier
card
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
Application number
EP82106291A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0070507A1 (de
Inventor
Werner Vogt
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.)
HID Global AG
Original Assignee
Interlock Sicherheitssysteme AG
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 Interlock Sicherheitssysteme AG filed Critical Interlock Sicherheitssysteme AG
Priority to AT82106291T priority Critical patent/ATE17211T1/de
Publication of EP0070507A1 publication Critical patent/EP0070507A1/de
Application granted granted Critical
Publication of EP0070507B1 publication Critical patent/EP0070507B1/de
Expired 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
    • B42D25/415—Marking using chemicals
    • B42D25/42—Marking using chemicals by photographic processes
    • 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
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • 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
    • B42D25/46—Associating two or more layers using pressure
    • 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
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D2033/14—
    • B42D2033/30—
    • B42D2033/40—
    • B42D2035/06—
    • B42D2035/08—
    • B42D2035/34—
    • 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
    • B42D25/313—Fingerprints
    • 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
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • 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
    • Y10S283/00—Printed matter
    • Y10S283/904—Credit card
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/162—Protective or antiabrasion layer

Definitions

  • the invention is based on a method according to the preamble of claim 1. Such a method (and an identification card produced accordingly thereafter) are known (FR-A-2 435 357).
  • a light-sensitive layer or photo layer is applied to a carrier layer made of polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • This photo layer itself again consists of a successive layering of a first polyester layer, a detachment layer adjoining this, the actual photosensitive layer which has a thickness of only a few ⁇ and therefore corresponds to the photo emulsion, an adhesive layer adjoining this and a lower, for example protective layer consisting of a paper treated in a certain way.
  • PVC polyvinyl chloride
  • the production then proceeds such that the lower protective layer is first peeled off and the remaining layer with the film emulsion is pressed onto the PVC backing layer to which it adheres due to the adhesive layer mentioned above. Then, facilitated by the release intermediate layer between the actual emulsion and the first polyester layer, this is also peeled off and the card prepared in this respect with the unexposed and also uncovered film emulsion then passes from a magazine to an exposure station, where the exposure under the influence of a strong one ultraviolet radiation is carried out. A number of development, brushing, rinsing and drying steps then follow, the respective card being transferred to the individual baths and treatment stations with the aid of reversible slides.
  • Another problem is the preparation of the card, in which two layers must first be removed from the photo layer comprising the emulsion layer and, in an intermediate step, the adhesive has to be bonded to the PVC backing layer, all with an unexposed and therefore correspondingly sensitive emulsion. Furthermore, it cannot be ruled out that the entire exposure and development effort that has to be carried out during the card production - only by applying the last polyester layer is the identification card finished and the emulsion layer covered - can damage to the emulsion layer just exposed or this can occur individual baths, brushing and drying stations completely or partially. The overall manufacturing effort of such an identification card is considerable.
  • this known identification card a colored design of the image obtained by the ultraviolet exposure is excluded, because the development of a color image requires a significantly larger number of baths and intermediate steps than with this type of subsequent exposure and development with regard to the stability and adhesion of the emulsion is still bearable.
  • a color combination of the image that is satisfactory for the normal eye cannot be achieved by an exclusively ultraviolet exposure.
  • the result of this known identification card is as follows. It is based on a raw card that already has impressions, i.e.
  • an intermediate or auxiliary carrier in the form of a planar base is known in the production of a box-shaped information carrier (US Pat. No. 4,132,350)
  • this intermediate carrier serves as intermediate storage for the construction of various layers during production a magnetic card and is then separated from the composite of the plastic layers again during the manufacturing process.
  • the procedure is such that first a synthetic resin protective layer, then a patterned layer, a colored layer and the magnetic layer consisting of a magnetic powdery material and finally a binder made of a thermoplastic synthetic resin is applied, so that a first Receives laminate.
  • This first laminate is then brought into contact with a first cover sheet of a thermoplastic synthetic resin, there is a connection under the action of heat and pressure in order to secure the laminate, and the planar base is then removed again.
  • this planar base in the form of an auxiliary carrier is not connected to a photographic emulsion and is also not prepared accordingly; after all, there is no exposure or development on the auxiliary carrier.
  • Card-shaped information carriers are generally known (US-A-3871 119), which consist of a plurality of plastic layers connected to one another in a block, at least one of which is a photographic layer containing an image of a user of the card.
  • a card-shaped information carrier for example a driver's license card, is produced by heating an otherwise developed film on a PVC base with the addition of a suitable adhesive, which, as is known, consists of the actual film carrier and the emulsion layer containing the actual image, by means of heated Rolls up and sticks.
  • the photographic layer in this information carrier is formed only by a fully exposed, developed, fixed and dried emulsion of reduced thickness, which is connected on both sides to adjacent plastic layers, the plastic layer on the back of the emulsion, of course is the film support layer with which it has been associated from the beginning.
  • the thickness of the photographic film, preferably color film, which in this way is preferably connected on both sides to PVC backing layers, is stated in this publication at 9 mils, which corresponds to the usual thickness of a photographic film composed of support and emulsion of approximately 228 ⁇ m.
  • the pure emulsion layer is at least an order of magnitude thinner.
  • an additional adhesive must be applied with reference to the covering plastic layer, so that a sufficient connection is ensured at this point and not through Bending the identification card one or two times, signs of peeling and bubbles occur exactly at the point where the photo with the image of the carrier and / or other information and data is located.
  • a problem with all ID cards or identification cards that contain or include an image or in any case a photographic layer is the fact that such images are only available on a material basis that cannot be combined with the material of the ID cards.
  • common paper images for example Polaroid photos
  • the surface of the paper image not being connected to the covering plastic layers; Even if one applies an adhesive, then only the photo emulsion of the paper image combines with the adhesive and would then tear away if the identification card were opened arbitrarily, as this is not excluded for the purpose of forgery; security aspects arise here that cannot be ignored; in addition, the known measures generally lead to a loss of quality in such identification cards, since these consist of different materials.
  • a sample example for the production of such identification cards is described, for example, in US Pat. No. 4,101,701, in which suitable adhesives and adhesives are also specified in order to be able to connect the individual plastic layers to the inserted Polaroid photo.
  • Identification cards can be designed as a personal ID card, which, for example, enables a specific person to access a non-public area, or as an impersonal ID card, which, for example, entitles the respective owner to purchase a service or goods.
  • the design of the card and the means used to identify the holder can vary widely and generally depend on the intended use. Transferable customer cards from department stores or credit organizations simply consist of a single plastic layer, on which the name of the publisher is printed and the name of the owner and an individual key figure are stamped on.
  • Personal identification cards on the other hand, consist of a plastic laminate with a layer on which information visible to the human eye can be applied in plain text and which, as already mentioned, may have a window for inserting a photograph.
  • coded, machine-readable information such as IR radiation, which is not visible to the human eye, or at least incomprehensible, can be provided and optionally arranged on a further layer.
  • the illustration, the inscription means and / or the fingerprint are always contained in a transparent representation in the identification card, so that there is the further advantage that the illustration or other information in the event of a supplementary infrared light evaluation of the identification card by a suitable device, which detects machine-readable codes, no longer bothers, in other words, the transparency or transparency of the colored face image of the wearer, the fingerprint or the information visible and legible to the eye does not prevent the eventual evaluation of the underlying information.
  • the preferably organic colors used are not opaque.
  • the imaging or information area as is realized by the arrangement of the emulsion of the photographic layer within the identification card, does not form any noticeable boundaries or edges; the area is absolutely inseparable from the identification card and is part of it.
  • the identification card can be made on the basis of layers of polyvinyl chloride (PVC); you get a smooth and pleasing appearance of the identification card and it is ensured that this forms a completely inseparable and in this respect one-piece whole, including the illustration, the winter impression and / or the other information, since by avoiding other materials, for example polyethylene layers, one perfect connection in the molecular area is only possible through the action of heat and pressure.
  • PVC polyvinyl chloride
  • the map can also contain further information, which is not visible to the human eye, but can be read with IR radiation and is therefore machine-readable can be arranged on the entire surface of the identification card, so that ultimately for the recording of information any available area is practically twice as large as the area of the identification card itself.
  • the reason for this lies in the transparency of the layer containing the visible information, as mentioned above, since this consists only of the emulsion itself.
  • the basic idea of the present invention consists of a composite layer of a subcarrier with a single photographic emulsion, the thickness of which is only a few ⁇ , approximately 1.5 ⁇ , the completely fully exposed, developed, fixed and dried emulsion, and this only according to one preferred embodiment, to peel off and without transferring the auxiliary carrier layer, first to a carrier layer that is already part of the later identification card, this connection between the emulsion and this carrier layer being realized by an effective adhesive layer.
  • FIG. 5 the cross-sectional representation of FIG. 5 can be assumed, which in this form can represent the known layering of an identification card.
  • 5 is designated by 1; it has a first covering layer 1 a, a backing layer or backing film 1b, a film 1c adjoining this upwards, referred to as a code layer, and a layering 1d below the covering layer 1a which contains the visible image and also other visible information, for example by Can have printing.
  • This printing and imaging layer 1d has hitherto been produced in such a way that a cut-out 2 is provided in this layer, into which free space a photo is then inserted, for example a Polaroid paper photo 3, with reference to the top layer 1a this being at least at 4 has a suitable adhesive layer so that the photo top layer connects to the cover layer 1a, otherwise detachment phenomena, blistering and other faults occur with certainty.
  • a cut-out 2 is provided in this layer, into which free space a photo is then inserted, for example a Polaroid paper photo 3, with reference to the top layer 1a this being at least at 4 has a suitable adhesive layer so that the photo top layer connects to the cover layer 1a, otherwise detachment phenomena, blistering and other faults occur with certainty.
  • FIG. 5 corresponds to the prior art already discussed above.
  • the invention now replaces this layer 1d by a layer 1d ', as shown on the right-hand side of FIG. 5 in the plane of the drawing, formed from a continuous carrier layer 5, preferably made of PVC, and a pure but firmly adhering one Completely developed film emulsion 6, which already has all the information.
  • a continuous carrier layer 5 preferably made of PVC
  • a pure but firmly adhering one Completely developed film emulsion 6 which already has all the information.
  • the relative thicknesses of the individual layers are not to scale for the purpose of a clearer illustration, in particular the thickness of the emulsion layer 6 and of the adhesive or adhesive layers is shown greatly enlarged ; in fact, the thicknesses of these emulsion and adhesive layers are orders of magnitude below those of the layers or foils 1a, 1b ... which are still provided for the overall formation of the identification card according to FIG.
  • the starting point is an auxiliary carrier 40 which, as shown at 43, is pretreated on one side in a certain way.
  • This pretreatment which results in a specific structure of the surface or a specific coating 7 thereof, can be of various types. In any case, it must be carried out in such a way that a photographic emulsion or photographic layer later applied to the auxiliary carrier 40 adheres to the auxiliary carrier 40 so strongly, but only so strongly, that the composite of auxiliary carrier 40 with photographic emulsion 6 without loss of quality or without mechanical disassembly, the exposure steps , Development, fixation and drying survives.
  • the coating 7 can therefore be an adhesive layer which has only low adhesiveness or tear resistance; However, it is also possible to merely structure the auxiliary carrier, for example to provide it with a very specific surface roughness, if necessary with the aid of a corona discharge.
  • the "film” thus formed consisting of auxiliary carrier 40 with emulsion 6, is then subjected to an exposure.
  • all of the desired information can be applied to the emulsion as it is later to be present on the identification card, for example the visible recognition by the human eye or by machine interpretation.
  • an image of the face of the wearer preferably in color, can be applied to the emulsion, which the present invention, due to its conception, is easily capable of and what makes it possible fundamentally different from the state of the art in terms of their advantage design.
  • the exposure of the film of auxiliary carrier 40 and emulsion 6 can be used to display one or more fingerprints of the authorized card holder, in a visible form or in such a way that machine-readable information of the unmistakable fingerprint on the identification card results.
  • all the other desired data on the emulsion which in this respect represents an information carrier for preferably visible information.
  • the film is developed, fixed and dried, which is shown at 47 in total.
  • the development, fixing and drying step at 47 can then be followed by a punching process or a trimming step, which is not shown in the illustration in FIG. 4, but which serves to punch the film material of the information carrier into the desired format.
  • a provided carrier layer or film 41 preferably coated on the side facing the exposed emulsion 6 of the film with a suitable adhesive or adhesive, is brought up to the emulsion, as in the case of 50 shown shown and the connection with the film made of auxiliary carrier 40 and emulsion 6. This can take place, for example, through the action of pressure and / or heat.
  • All layers are initially larger than the desired card format.
  • a later stamping or cutting step then brings the composite to format. This ensures that when pressing under heat, edge areas which may not be perfectly connected are removed by the punching out.
  • the adhesive layer can be applied to the carrier layer from the start; alternatively it is possible and, as a further embodiment of the present invention, it should be mentioned at this point that during the development and fixing steps the film is introduced as the last bath in such a solution which immediately contains a suitable adhesive, so that the emulsion coexists this carrier is removed from the bath soaked. You then only have to place the (PVC) backing layer on the free emulsion side of the film and make the connection. The same, that is to say the connection of the emulsion without separate application of adhesive, results when a second plastic layer is applied to the other, after the auxiliary carrier has been removed, the back of the emulsion is free, since the emulsion in the immersion bath has absorbed the adhesive like a sponge.
  • the application takes place, as is understood, with the aid of a position system, the adhesive performing the connection between the carrier layer 41 and the emulsion 6 having two functions, namely the production of the intimate connection, for example by the action of heat and pressure with the plastic Backing layer (PVC) and ensuring such a strong bond between these two layers 41 and 6 that, as shown at 51 in Fig. 4, the subcarrier of the now fully adhered to the backing layer 41, fully developed and with all the data provided emulsion layer 6 can be removed.
  • the main property of the auxiliary carrier 40 is therefore that in the formation of its assignment to the emulsion 6, after it has been provided with the necessary data and conditioned, it dissolves with certainty without causing damage.
  • the measures required for this are technologically easily achievable; It is therefore essential in the method according to the invention that the tensile strength of the adhesion or the adhesive layer between the backing layer 41 and the emulsion 6 is greater, and preferably more, than the tensile strength of the adhesion or connection between the emulsion 6 and the auxiliary carrier 40 The tensile strength of this latter connection must also be smaller and in fact considerably smaller than the tensile strength of the emulsion itself. It is within the skill of the art that the materials required for executing the method described above and for producing such an identification card with specified properties can be obtained from the Select a large number of commercially available materials, so that in principle no particularly suitable materials are mentioned.
  • foils made of polyvinyl chloride are preferably used for the layers which later form the identification card, which have particularly advantageous properties and are also preferred over polyester insofar as polyester itself is not able to form an indissoluble bond with plastics;
  • polyester basically allows separation, so that loosening of individual layers is not excluded. Nevertheless, the use of polyester is of course within the process according to the invention.
  • the composite combination of carrier layer 41 and emulsion 6 shown at 51 in the flowchart of FIG. 4 otherwise corresponds to the intermediate layer 5 as shown in FIG. 5; it is already part of the identification card that is still to be finished, the next step then, as shown at 55 in FIG. 4, is that after the auxiliary carrier 40 has been detached from the emulsion, another plastic layer 42 provided is applied to the other side thereof becomes.
  • the layers 41, 42 are the cover layers or the base layers, they can be transparent or opaque; it is also possible that both layers are transparent or opaque, depending on the application and the requirements for machine readability or the recognition of the data the human eye.
  • the layers 41 and 42 are provided with adhesive layers, as indicated in FIG. 4; these layers can be heat-sealing lacquers, which results in an effective connection under heating and pressure and also ensures that the emulsion 6 is enclosed between the two upper and lower layers 41, 42 in such a way that moisture sensitivity is excluded.
  • adhesive layers are provided, then these preferably extend only to the area covered by the emulsion. If the emulsion is therefore narrower than the other plastic layers, this ensures that only plastic on plastic, that is PVC on PVC, comes to rest in the edge areas and can be welded well to one another.
  • the structure shown at 56 in the flowchart of FIG. 4 can then be completed by further layers, which are shown in FIG. 4, if desired, which need not be discussed further.
  • a particularly suitable adhesive layer or adhesive layer can be obtained by using an adhesive sold under the Acronal 300 D product name;
  • Acronal is an aqueous, plasticizer-free dispersion of a terpolymer made from an acrylic acid ester, vinyl acetate and vinyl chloride.
  • the subcarrier material used to carry out the described method is not critical.
  • Proven materials are the polyester commonly used as a support for photo films or simply polyvinyl chloride.
  • plastic used for the carrier and the cover layer encompasses all polymeric thermoplastic materials, although, as mentioned, preferably the polyvinyl chloride customary for the production of identification cards is used.
  • suitable materials for an adhesive layer on the auxiliary carrier could then preferably be heat-sealing lacquers whose sealing temperature is below the welding temperature of the polymeric thermoplastic material or below the sealing temperature of the adhesive layer on the carrier and the top layer. Materials suitable for the backing layer and the top layer with adhesive layers applied on one side are also commercially available.
  • the embodiment of the new card shown in partial section in FIG. 1 contains a base layer 10, a carrier layer 11 and a cover layer 12.
  • the base and carrier layers are impermeable to visible light, but are permeable to IR radiation.
  • the top layer is transparent to visible light.
  • the backing and cover layers have an adhesive layer 13 and 14 on the mutually facing surfaces.
  • the photagraphic emulsion 16 is arranged between the carrier and the cover layer. The emulsion is considerably thinner than the carrier layer and the top layer, so that the latter lie against one another with their adhesive layers in the region of the peripheral edge 17 and enclose the emulsion.
  • the emulsion contains areas 18, 19, 20 which form information in plain text and recognizable by the transparent cover layer. Between the base layer and the cover layer, which, as already mentioned, are both only permeable to IR rays, there are further markings 22, 23 which are impermeable to IR radiation and form coded, machine-readable information.
  • the further embodiment shown in partial section in FIG. 2 is constructed almost in the same way as the illustration in FIG. 1, which is why the individual layers are not described again.
  • the difference between the two embodiments is that the adhesive layers 13 ', 14' do not extend beyond the edge region of the emulsion 16 ', so that the carrier and cover layers 11' and 12 'directly in the region of the peripheral edges 17' are connected.
  • Fig. 3 shows the schematic partial section through a further embodiment.
  • This contains one Carrier and cover layers 26 and 27, which are impermeable to visible light and cover layers 26 and 27, respectively, which are transparent to the visible light.
  • the emulsion has a peripheral edge 32 in the region of the edges of the card, in which the layer is water-repellent or at least not swellable by a suitable aftertreatment.
  • the emulsion is permanently bonded to the adjacent carrier and cover layers with the aid of the adhesive layers.
  • the method according to the invention is particularly suitable for the color representation of images in an identification card in a transparent and absolutely forgery-proof design.
  • machine-readable information between the two layers which are impermeable to visible light does not necessarily have to be markings which can be recognized by IR radiation, but instead electrically or magnetically readable markings can also be used.
  • a film is used as a basis in method step 44, which works with two auxiliary carriers, so to speak, the normal auxiliary carrier 40, the reference number of which is therefore retained and a further auxiliary carrier, which can then also be referred to as a so-called auxiliary carrier and represents a particularly thin film or layer, the thickness of which is preferably of the order of the thickness of the emulsion 6 and which can be located between the auxiliary carrier 40 and the emulsion , as indicated at 44a in FIG. 4, or also on the free top of the emulsion, which, however, is less an option.
  • a preferred, detailed exemplary embodiment then consists in that, for example, a normal polyester film can be provided as auxiliary carrier 40, on which a further, extremely thin polyester film adheres, with an adhesiveness as described above with regard to liability or Connection between the auxiliary carrier 40 and the emulsion 6.
  • the actual emulsion 6 is then poured onto this extremely thin intermediate film or auxiliary auxiliary carrier and it then adheres to it with the usual, even very strong, adhesive force.
  • This can be achieved in the usual way with the aid of an adhesive, but is preferably brought up in that the extremely thin auxiliary auxiliary carrier layer has a corresponding structuring and forms a substrate in such a way that the auxiliary auxiliary carrier is completely inseparable from the emulsion.
  • auxiliary carrier 44 is removed, specifically here from the auxiliary auxiliary carrier layer 44a, which therefore remains together with the emulsion and, since it is also extremely thin, during further production as well little in terms of the thickness dimensions of the identification card, as would have been the case for the pure emulsion layer.
  • auxiliary subcarrier preferably in the form of a super-thin polyethylene film
  • the individual fingerprint photographs can be photographed on a film roll, consisting, as mentioned, of the auxiliary carrier, the auxiliary auxiliary carrier and the emulsion, and then developed, fixed and dried.
  • One is then at method step 47 of FIG. 4, but then has a rolled-up film in a plurality of fingerprints, possibly together with images, other data and information and the like.
  • the procedure is then such that the individual images continuously drawn from the roll are cut through to a thickness from above through the emulsion and the auxiliary subcarrier layer, which at least up to the actual subcarrier layer and preferably something in it.
  • the carrier layer 41 is then glued onto the emulsion from above in the manner already described and the auxiliary carrier 40 can be pulled off, made easier by the incision.
  • the auxiliary carrier 40 can also consist of a suitable paper in its material properties; the already mentioned polyethylene film is preferably used as an auxiliary auxiliary carrier in the extremely thin version, which then remains on the emulsion when the identification card is built up.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Credit Cards Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
EP82106291A 1981-07-20 1982-07-14 Verfahren zur Herstellung eines kartenförmigen Informationsträgers Expired EP0070507B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82106291T ATE17211T1 (de) 1981-07-20 1982-07-14 Verfahren zur herstellung eines kartenfoermigen informationstraegers.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH475381 1981-07-20
CH4753/81 1981-07-20

Publications (2)

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EP0070507A1 EP0070507A1 (de) 1983-01-26
EP0070507B1 true EP0070507B1 (de) 1986-01-02

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EP82106291A Expired EP0070507B1 (de) 1981-07-20 1982-07-14 Verfahren zur Herstellung eines kartenförmigen Informationsträgers

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US (2) US4464454A (ja)
EP (1) EP0070507B1 (ja)
JP (1) JPS5865698A (ja)
AT (1) ATE17211T1 (ja)
DE (1) DE3268267D1 (ja)
ZA (1) ZA825182B (ja)

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EP0485366B1 (en) * 1985-02-18 1995-10-04 Dai Nippon Insatsu Kabushiki Kaisha Process for preparing optical data cards
AU583654B2 (en) * 1985-08-30 1989-05-04 Fuji Photo Film Co., Ltd. Card with photograph and method of making same
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AU593882B2 (en) * 1986-01-24 1990-02-22 Richard Hideaki Hata Composite photographic material
NL8601404A (nl) * 1986-05-30 1987-12-16 Papier Plastic Coating Groning Gegevensdragende kaart, werkwijze voor het vervaardigen van een dergelijke kaart en inrichting voor het uitvoeren van deze werkwijze.
US5156941A (en) * 1986-06-17 1992-10-20 Kyodo Printing Co., Ltd. Method of producing an optical or magneto-optical recording card and transfer type optical or magneto-optical recording medium
JPH0614414B2 (ja) * 1986-06-17 1994-02-23 共同印刷株式会社 転写型光記録媒体
JPS63131141A (ja) * 1986-11-21 1988-06-03 Fuji Photo Film Co Ltd 写真入りカ−ド
JP2946213B2 (ja) * 1987-10-20 1999-09-06 エスアンドエフ 株式会社 写真を貼着した磁気カードの製造方法
US5002312A (en) * 1988-05-03 1991-03-26 Flex Products, Inc. Pre-imaged high resolution hot stamp transfer foil, article and method
US4923218A (en) * 1988-08-15 1990-05-08 Vigilanti William A Inscribed, paper-base announcement
US4992353A (en) * 1989-03-27 1991-02-12 Polaroid Corporation Image-receiving element for adhesively bondable diffusion transfer photograph
DE3916708A1 (de) 1989-05-23 1990-11-29 Werner Vogt Verfahren zum aufbringen und versiegeln von informationen auf kartenfoermigen informationstraegern
GB9118280D0 (en) * 1991-08-24 1991-10-09 Oakwood Design Laminated data carrying substrates
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Also Published As

Publication number Publication date
ATE17211T1 (de) 1986-01-15
JPH048240B2 (ja) 1992-02-14
JPS5865698A (ja) 1983-04-19
DE3268267D1 (en) 1986-02-13
US4635965A (en) 1987-01-13
ZA825182B (en) 1983-05-25
EP0070507A1 (de) 1983-01-26
US4464454A (en) 1984-08-07

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