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WO1997018075A1 - Cover laminate for plastic cards - Google Patents

Cover laminate for plastic cards Download PDF

Info

Publication number
WO1997018075A1
WO1997018075A1 PCT/AT1996/000217 AT9600217W WO9718075A1 WO 1997018075 A1 WO1997018075 A1 WO 1997018075A1 AT 9600217 W AT9600217 W AT 9600217W WO 9718075 A1 WO9718075 A1 WO 9718075A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
cover laminate
cards
layer
pressed
Prior art date
Application number
PCT/AT1996/000217
Other languages
German (de)
French (fr)
Inventor
Markus Prancz
Original Assignee
Austria Card Plastikkarten Und Ausweissysteme Gesellschaft Mbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Austria Card Plastikkarten Und Ausweissysteme Gesellschaft Mbh filed Critical Austria Card Plastikkarten Und Ausweissysteme Gesellschaft Mbh
Priority to AU74852/96A priority Critical patent/AU7485296A/en
Publication of WO1997018075A1 publication Critical patent/WO1997018075A1/en

Links

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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • B32B37/187—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only the layers being placed in a carrier before going through the lamination process
    • 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
    • B42D25/23—Identity cards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/369—Magnetised or magnetisable materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • 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
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/34—Inserts
    • B32B2305/342—Chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2425/00—Cards, e.g. identity cards, credit cards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2519/00—Labels, badges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing

Definitions

  • the invention relates to a cover laminate for plastic cards.
  • offset printing processes are used in combination with screen printing processes, whereby novel digital printing processes in the form of the INDIGO or XEIKO process as well as the various forms of inkjet printing technology can be used.
  • Low-price card systems and identification cards with a low lifespan requirement and / or low security requirements are often only printed on the surface and, if appropriate, provided with an additional coating in a printing process and / or coating process by means of liquid transparent lacquers for the purpose of surface protection.
  • thermoplastic plastic films are attached to the surfaces above the graphically designed films, depending on the manufacturing process, these films are added to a press package in multiple uses and in a typical multi-day transfer laminating process lead to complete cards which are then to be punched into individual cards.
  • identification cards preferably chip card systems
  • graphically designed foils are inserted fully automatically and individually in the respective cavities of the injection mold and back-injected.
  • the corresponding graphically designed foils lie with their printed image on the outside of the cards and are therefore not well protected against scratching or general damage.
  • contactless or hand-held chip cards, or so-called hybrid cards are being produced to an increasing extent, consisting of a combination of these card systems.
  • Non-contact chip card systems are high-quality card systems which are often intended for use over several years or for multiple daily use and must therefore have a high resistance to scratching or general damage to the graphic surface design.
  • DE 33 41 115 A1 discloses an identification card made of a laminate of interconnected, in particular thermoplastic, films, which contains a substrate with electronics comprising contacts, conductor tracks and at least one integrated circuit, and preferably a magnetic track arranged on the front of the card has an area for embossing divided into several lines running parallel to the magnetic track and to the card's longitudinal edges.
  • the aim of the invention is now to simplify the production of such cards and to ensure during the production, in particular of injection-molded cards, that the number of steps required for the completion is kept to a minimum.
  • the invention consists essentially in the fact that the cover laminate is formed from two pre-pressed layers, a printed opaque or white layer being pressed with a further transparent layer with the interposition of an adhesive. Because a cover laminate formed from pre-pressed layers is used, it can be made resistant to the effects of the injection molding process on printing inks, so that a cover laminate that has already been printed and finished can be used immediately.
  • usable cover laminates are produced inexpensively and simply with a minimum of production steps, which are used for novel card systems with high demands on the abrasion resistance of the graphic Design can be used and can also be used for the laminated technical production of card systems as well as for the production by means of injection molding, the design advantageously being such that the transparent layer has 30 to 70% of the layer thickness of the printed layer.
  • the design is particularly advantageously such that the pressed cover laminates have a thickness in the range from 70 to 200 ⁇ m, as a result of which the overall thickness is kept very small.
  • a particularly simple structure provides that the printed layer has a layer thickness of 80 ⁇ m to 100 ⁇ m, the transparent layer being approximately 50 ⁇ m thick.
  • Such a cover laminate can advantageously contain an internal magnetic strip in particular, in order to enable additional functions, with the advantage of a long service life and if the magnetic strip is arranged on the inside of the transparent cover films and is thus used internally in the cover laminate The result is a higher resistance of the magnetic strip in use.
  • the design is advantageously made such that the transparent layer consists of laser-writable plastic.
  • the white or opaque layer primarily increases the distance of the printed plane from hotter zones during production, and additional mechanical protection is provided by the transparent cover layer.
  • the respective temperature and resistance to deformation can be coordinated with one another by choosing suitable plastics, so that subsequently card structures critical for personalization information and also relief printing or the like can be used. are possible without damaging the print image.
  • the printing film sides or the cover laminate Pages that face the inner part of the card can also be coated using screen printing inks in order to achieve a high adhesive bond to the injection molding compound when using different plastic materials.
  • a possible coating system is based on an aqueous polyurethane dispersion, it being possible to use a long-chain aliphatic polyurethane system which is in turn applied by means of screen printing and thus ensures a high adhesive bond between the cover laminate and the injection molding compound or card core.
  • the temperature resistance of the cover laminate should, of course, be chosen so that a plastic mass introduced in the injection molding does not lead to thermal overloading of the cover laminate neither when it is inserted between cover laminates nor when it cures. Furthermore, for the loose encapsulation of chips, chip modules together with the associated antennas for contactless transmissions, the thermal and mechanical durability of the cover laminate should be sufficient to permit hot pressing with the material of the card core.
  • the pressed cover laminates preferably have a heat resistance of greater than 120 ° C.
  • An even higher temperature resistance of the cover laminates preferably greater than 135 ° C., creates even greater security, so that a plastic mass introduced in the injection molding does not lead to thermal overloading of the cover laminate neither when inserting between cover laminates nor during curing or solidification.
  • 1 shows the cover laminates and the core of a plastic card
  • FIG. 2 shows the structure of the cover laminate
  • FIG. 3 shows the completion of the cover laminate by injection molding the inner and outer layers of the cover laminate
  • FIG. 4 shows the card in the embodiment in top laminates and core layers to be joined together.
  • FIG. 1 shows the cover laminates and the core of a plastic card
  • FIG. 2 shows the structure of the cover laminate
  • FIG. 3 shows the completion of the cover laminate by injection molding the inner and outer layers of the cover laminate
  • FIG. 4 shows the card in the embodiment in top laminates and core layers to be joined together.
  • thin opaque or white sheets 2 with a typical thickness of 60 to 120 microns and formats for multiple uses, typically 24 or 48 cards per sheet with dimensions of, for example, 30 ⁇ 50 cm or 50 x 70 cm with the customary offset printing and screen printing or digital printing processes, such as the INDIGO or XEIKO process, as well as the various inkjet processes custom-made and if necessary with appropriate thermally activated adhesive coatings, e.g. screen printed.
  • the graphically designed sheets are connected with transparent plastic sheet sheets 1 in a lamination process to form so-called cover laminates 3, 4.
  • the card core is labeled 5.
  • a transparent plastic film 1 serves as an overlay film.
  • These transparent overlay foils are optionally applied to the inside with thermally activatable hot melt adhesives 6 by means of screen printing, PVC-h, ABS, PET, PMMA up to PC as well as mixtures being able to be used as materials.
  • the magnetic strip introduced is designated by 15, reference numeral 7 represents the graphic design applied.
  • the two pre-assembled films 1 and 2 are connected to the cover laminates 3, 4 by means of a laminating process, typically in multi-storey transfer presses. This can take place in the usual multiple-use form and a renewed collation of the various layers 3, 4 as cover laminates and the further layers 13, 14, as shown in FIG. 4, the respective cover laminates 3 in this case already having a composite.
  • the cover laminates 3, 4 prefabricated in this way are usually punched optoelectronically into individual cover laminates and, for example, fed to an injection molding machine with injection molds 8, 9 and cavities 10, 11 from a magazine.
  • a transponder coil including a chip module, which is not specified, can be arranged on one of the cover laminates in the core area, and this core area by means of thermoplastic, thin-flowing, introduced in the injection direction 12 Plastic injected becomes.
  • additional auxiliary layers 16 which can be seen in FIG.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A cover laminate for plastic cards, e.g. injection moulded cards, contactless cards or the like, consists of two prepressed layers in which a printed opaque or adhesive-coated layer is pressed with another transparent layer.

Description

Decklaminat für KunststoffkartenCover laminate for plastic cards
Die Erfindung bezieht sich auf ein Decklaminat für Kunststoff¬ karten.The invention relates to a cover laminate for plastic cards.
Zur graphischen Gestaltung der beiden Oberflächen von Identifi¬ kationskarten werden Offsetdruckverfahren in Kombination mit Siebdruckverfahren eingesetzt, wobei neuartige digitale Druck¬ verfahren in Form des INDIGO oder XEIKO Verfahrens als auch die verschiedenen Formen der InkJet-Drucktechnik zum Einsatz gelan¬ gen können.For the graphic design of the two surfaces of identification cards, offset printing processes are used in combination with screen printing processes, whereby novel digital printing processes in the form of the INDIGO or XEIKO process as well as the various forms of inkjet printing technology can be used.
Niedrigpreiskartensysteme und Identifikationskarten mit geringer Lebensdaueranforderung und/oder geringer Sicherheitsanforderun- gen werden oftmals nur oberflächig bedruckt und gegebenenfalls mit einer zusätzlichen Beschichtung in einem Druckverfahren und/ oder Beschichtungsverfahren mittels flüssiger transparenter Lacke zwecks Oberflächenschutz versehen.Low-price card systems and identification cards with a low lifespan requirement and / or low security requirements are often only printed on the surface and, if appropriate, provided with an additional coating in a printing process and / or coating process by means of liquid transparent lacquers for the purpose of surface protection.
Bei höherwertigen Kartensystemen und entsprechenden Sicherheits¬ und Lebensdaueranforderungen werden an den Oberflächen transpa¬ rente thermoplastische Kunststoff-Folien über den graphisch ge¬ stalteten Folien angebracht, wobei je nach Herstellverfahren diese Folien im Mehrfachnutzen einem Preßpaket beigelegt werden und in einem typischen Mehretagen-Transfer-Laminierprozeß zu kompletten Karten führen, die dann noch in Einzelkarten zu stan¬ zen sind.In the case of higher-quality card systems and corresponding security and service life requirements, transparent thermoplastic plastic films are attached to the surfaces above the graphically designed films, depending on the manufacturing process, these films are added to a press package in multiple uses and in a typical multi-day transfer laminating process lead to complete cards which are then to be punched into individual cards.
Neben dieser in der Kreditkartenwirtschaft häufig verwendeten Laminiertechnik bzw. Hochschmelz-Verbundtechnik werden Identifi¬ kationskarten, bevorzugt Chipkartensysteme, mittels thermopla¬ stischem Spritzguß hergestellt und dabei graphisch gestaltete Folien vollautomatisch im Einzelnutzen in die jeweiligen Kavi- täten der Spritzgußform eingelegt und hinterspritzt. Die ent- sprechenden grafisch gestalteten Folien liegen dabei mit deren Druckbild an den Außenseiten der Karten und sind damit gegen Zerkratzen bzw. gegen allgemeine Beschädigungen wenig geschützt. Neben Magnetkartensystemen und kontaktbehafteten Chipkartensy- stemen werden im verstärkten Ausmaß kontaktlose bzw. handgehal¬ tene Chipkarten hergestellt, bzw. sogenannte Hybridkarten, be- stehend aus einer Kombination dieser Kartensysteme.In addition to this laminating technology or high-melt composite technology, which is frequently used in the credit card industry, identification cards, preferably chip card systems, are produced by means of thermoplastic injection molding, and graphically designed foils are inserted fully automatically and individually in the respective cavities of the injection mold and back-injected. The corresponding graphically designed foils lie with their printed image on the outside of the cards and are therefore not well protected against scratching or general damage. In addition to magnetic card systems and contact-based chip card systems, contactless or hand-held chip cards, or so-called hybrid cards, are being produced to an increasing extent, consisting of a combination of these card systems.
Berührungslose Chipkarten-Systeme stellen höherwertige Kartensy¬ steme dar, die oft für eine mehrjährige Nutzung bzw. eine täg¬ liche Mehrfachnutzung vorgesehen sind und damit einen hohen Widerstand gegen Zerkratzen oder allgemeine Beschädigung der graphischen Oberflächengestaltung aufweisen müssen.Non-contact chip card systems are high-quality card systems which are often intended for use over several years or for multiple daily use and must therefore have a high resistance to scratching or general damage to the graphic surface design.
Aus der DE 40 34 720 AI ist ein Verfahren zur Herstellung bedruckter Magnetstreifenkarten bekannt, wobei die Anordnung des Magnetstreifens und der Magnetschicht zur Kartenoberfläche weisend angeordnet ist. In diesem Fall übernimmt eine über der Magnetschicht angeordnete Lackschicht den Oberflachen-Schutz.From DE 40 34 720 AI a method for producing printed magnetic stripe cards is known, the arrangement of the magnetic stripe and the magnetic layer being arranged facing the card surface. In this case, a lacquer layer arranged over the magnetic layer takes over the surface protection.
Aus der DE 33 41 115 AI ist eine Ausweiskarte aus einem Laminat miteinander verbundener, insbesondere thermoplastischer Folien genannt, das ein Substrat mit einer Elektronik aus Kontakten, Leiterbahnen und wenigstens einen integrierten Schaltkreis ent¬ hält, sowie vorzugsweise eine auf der Kartenvorderseite angeord¬ nete Magnetspur aufweist, unter der sich ein in mehrere parallel zur Magnetspur und zu den Kartenlängskanten verlaufende Zeilen unterteilter Bereich für Prägungen befindet.DE 33 41 115 A1 discloses an identification card made of a laminate of interconnected, in particular thermoplastic, films, which contains a substrate with electronics comprising contacts, conductor tracks and at least one integrated circuit, and preferably a magnetic track arranged on the front of the card has an area for embossing divided into several lines running parallel to the magnetic track and to the card's longitudinal edges.
Besonders bei der Herstellung von Karten im Spritzgußverfahren ist also aufgrund der Verfahrensschritte ebenso wie aufgrund der beim Verfahren anzuwendenden Temperaturen mit einer Reihe von Einwirkungen, insbesondere auf die Druckfarben, zu rechnen. Bei hohen Temperaturen kann es zu einem unerwünschten Verschwimmen des Druckbildes kommen. Im Spritzgußverfahren hergestellte Karten können daher nur nach ihrer Herstellung sicher bedruckt werden, wodurch ein weiterer Fertigungsaufwand bzw. zusätzliche Laminierungsschritte erforderlich werden, um die Karte fertigzu¬ stellen. Im Falle von kontaktlos ausgebildeten Karten werden bei der Herstellung häufig elektronische Bauteile, wie beispiels¬ weise Chips bzw. Chipmodule, in das ausgestanzte Kernmaterial eingesetzt und mit einer Vergußmaße im Kartenkörper eingebettet. Nach einem derartigen Vorbereitungsschritt kann die Karte durch Aufbringen von Laminaten bzw. Decklaminaten fertiggestellt werden.Particularly in the production of cards using the injection molding process, a number of effects, in particular on the printing inks, can therefore be expected due to the process steps and the temperatures to be used in the process. At high temperatures, the printed image may become blurred. Cards produced in the injection molding process can therefore only be reliably printed after they have been produced, as a result of which a further production outlay or additional lamination steps are required in order to complete the card. In the case of contactlessly trained cards, at During production, electronic components, such as chips or chip modules, are often inserted into the punched-out core material and embedded in the card body with a casting compound. After such a preparation step, the card can be finished by applying laminates or cover laminates.
Die Erfindung zielt nun darauf ab, die Herstellung derartiger Karten zu vereinfachen und bei der Herstellung, insbesondere von Spritzgußkarten, sicherzustellen, daß die Anzahl der für die Fertigstellung erforderlichen Schritte auf ein Minimum be¬ schränkt wird. Zu diesem Zweck besteht die Erfindung im wesent¬ lichen darin, daß das Decklaminat aus zwei vorverpreßten Schich¬ ten gebildet ist, wobei eine bedruckte opake bzw. weiße Schicht mit einer transparenten weiteren Schicht unter Zwischenschaltung eines Klebers verpreßt ist. Dadurch, daß ein aus vorverpreßten Schichten gebildetes Decklaminat zum Einsatz gelangt, kann dieses gegenüber den Einwirkungen des Spritzgußverfahrens auf Druckfarben resistent ausgebildet sein, sodaß ein bereits fertig bedrucktes und fertig gestelltes Decklaminat unmittelbar zum Einsatz gelangen kann. Im Falle von Kontaktloskarten bedeutet dies, daß aufgrund des so ausgebildeten Decklaminates die Mög¬ lichkeit besteht, aufgrund der Temperaturunterschiede zwischen dem Decklaminat und dem ausgestanzten Kartenmaterial, in welches die Module eingesetzt werden, die Module ohne Vergußmaße in den Kartenkörper einzubetten und in der Folge in einem einzigen Schritt nämlich durch Verpressen mit dem Decklaminat fertigzu¬ stellen. Erfindungsgemäß wird bei der Herstellung des Decklami¬ nates die opake bzw. weiße Schicht zunächst im Siebdruck oder Offsetdruck dem Design entsprechend bedruckt, worauf an¬ schließend eine Klebeschicht aufgebracht wird. In der Folge werden die beiden Schichten unter Hitze und Druck zu einem Deck¬ laminat verbunden. Als Material für die Schichten kommt PVC, PC, PET, PP oder PE in Betracht. Insgesamt werden kostengünstig und einfach bei einem Minimum an Fertigungsschritten anwendbare Decklaminate hergestellt, welche für neuartige Kartensysteme mit hohen Anforderungen an die Abriebfestigkeit der graphischen Gestaltung einsetzbar sind und weiters für die laminiertech- nische Herstellung von Kartensystemen als auch für die Herstel¬ lung mittels Spritzguß verwendbar sind, wobei die Ausbildung mit Vorteil so getroffen ist, daß die transparente Schicht 30 bis 70 % der Schichtdicke der bedruckten Schicht aufweist. Besonderε vorteilhaft wird die Ausbildung so getroffen, daß die verpreßten Decklaminate eine Dicke im Bereich 70 bis 200 um aufweisen, wodurch die Gesamtdicke sehr gering gehalten wird. Ein besonders einfacher Aufbau sieht vor, daß die bedruckte Schicht eine Schichtstärke von 80 μm bis 100 μm aufweist, wobei die transpa¬ rente Schicht etwa 50 μm stark ausgebildet sein kann.The aim of the invention is now to simplify the production of such cards and to ensure during the production, in particular of injection-molded cards, that the number of steps required for the completion is kept to a minimum. For this purpose, the invention consists essentially in the fact that the cover laminate is formed from two pre-pressed layers, a printed opaque or white layer being pressed with a further transparent layer with the interposition of an adhesive. Because a cover laminate formed from pre-pressed layers is used, it can be made resistant to the effects of the injection molding process on printing inks, so that a cover laminate that has already been printed and finished can be used immediately. In the case of contactless cards, this means that because of the cover laminate formed in this way, there is the possibility, based on the temperature differences between the cover laminate and the punched-out card material in which the modules are inserted, of embedding the modules in the card body without potting and subsequently in to be completed in a single step by pressing with the cover laminate. According to the invention, when the cover laminate is produced, the opaque or white layer is first printed in accordance with the design using screen printing or offset printing, whereupon an adhesive layer is subsequently applied. As a result, the two layers are joined to form a cover laminate under heat and pressure. PVC, PC, PET, PP or PE can be used as the material for the layers. Overall, usable cover laminates are produced inexpensively and simply with a minimum of production steps, which are used for novel card systems with high demands on the abrasion resistance of the graphic Design can be used and can also be used for the laminated technical production of card systems as well as for the production by means of injection molding, the design advantageously being such that the transparent layer has 30 to 70% of the layer thickness of the printed layer. The design is particularly advantageously such that the pressed cover laminates have a thickness in the range from 70 to 200 μm, as a result of which the overall thickness is kept very small. A particularly simple structure provides that the printed layer has a layer thickness of 80 μm to 100 μm, the transparent layer being approximately 50 μm thick.
In ein derartiges Decklaminat kann mit Vorteil einen insbeson¬ dere innenliegenden Magnetstreifen enthalten, um zusätzliche Funktionen zu ermöglichen, wobei dann, wenn der Magnetstreifen auf der Innenseite der transparenten Deckfolien angeordnet ist und damit innenliegend im Decklaminat zum Einsatz gelangt, der Vorteil einer langen Lebensdauer und höheren Widerstandsfähig¬ keit des Magnetstreifens im Gebrauch die Folge ist.Such a cover laminate can advantageously contain an internal magnetic strip in particular, in order to enable additional functions, with the advantage of a long service life and if the magnetic strip is arranged on the inside of the transparent cover films and is thus used internally in the cover laminate The result is a higher resistance of the magnetic strip in use.
Mit Vorteil ist die Ausbildung so getroffen, daß die trans¬ parente Schicht aus laserbeschreibbarem Kunststoff besteht. Durch die weiße bzw. opake Schicht wird in erster Linie der Abstand der bedruckten Ebene von bei der Herstellung heißeren Zonen vergrößert und durch die transparente Deckschicht ein zu¬ sätzlicher mechanischer Schutz geboten. Insgesamt kann die je¬ weilige Temperatur und Verformungsbeständigkeit durch Wahl ge¬ eigneter Kunststoffe aufeinander abgestimmt werden, sodaß in der Folge für Personalisierungsinformationen kritische Kartenauf- bauten und auch Reliefdruck od.dgl. ohne Beschädigung des Druck¬ bildes möglich sind. Werden die opaken bzw. weißen Druckfolien auf das Spritzgußmaterial abgestimmt, so ist ein hoher Verbund zwischen Spritzgußmasse und Druckfolie bzw. der Einheit Deck¬ laminat gewährleistet. Werden die Druckfolienseiten, die zum Karteninneren weisen, in matter bzw. oberflächenrauher Ausfüh¬ rung gewählt, so kann der Verbund zur Einspritzmasse nochmals verbessert werden. Die Druckfolienseiten bzw. die Decklaminat- Seiten, die in den Karteninnenteil weisen, können zusätzlich mittels Siebdruckfarben beschichtet werden, um einen hohen Haft¬ verbund zur Spritzgußmasse bei Verwendung von unterschiedlichen Kunststoffmaterialien zu erreichen. Ein mögliches Beschichtungs- system beruht auf einer wässerigen Polyurethan-Dispersion, wobei ein langkettiges aliphatisches Polyurethan-System zum Einsatz gelangen kann, das wiederum mittels Siebdruck appliziert wird und so einen hohen Haftverbund zwischen Decklaminat und Spritz¬ gußmasse bzw. Kartenkern sicherstellt.The design is advantageously made such that the transparent layer consists of laser-writable plastic. The white or opaque layer primarily increases the distance of the printed plane from hotter zones during production, and additional mechanical protection is provided by the transparent cover layer. Overall, the respective temperature and resistance to deformation can be coordinated with one another by choosing suitable plastics, so that subsequently card structures critical for personalization information and also relief printing or the like can be used. are possible without damaging the print image. Be the opaque or white printing films tailored to the molding material, so a high bonding between molding compound and printing film, or the unit cover ¬ laminate is guaranteed. If the printing film sides which face the card interior are selected in a matt or surface-roughened version, the bond to the injection compound can be further improved. The printing film sides or the cover laminate Pages that face the inner part of the card can also be coated using screen printing inks in order to achieve a high adhesive bond to the injection molding compound when using different plastic materials. A possible coating system is based on an aqueous polyurethane dispersion, it being possible to use a long-chain aliphatic polyurethane system which is in turn applied by means of screen printing and thus ensures a high adhesive bond between the cover laminate and the injection molding compound or card core.
Die Temperaturbeständigkeit des Decklaminates soll naturgemäß so gewählt sein, daß eine im Spritzguß eingebrachte plastische Masse weder beim Einbringen zwischen Decklaminate noch beim Aus¬ härten zu thermischen Überlastungen des Decklaminates führen. Weiters soll für das lose Einschließen von Chips, Chipmodulen samt den zugehörigen Antennen für kontaktlose Übertragungen die thermische und mechanische Haltbarkeit des Decklaminates aus¬ reichen, um ein Heißverpressen mit dem Werkstoff des Karten¬ kernes zu erlauben. Hierzu weisen die verpreßten Decklaminate bevorzugt eine Wärmestandsfestigkeit von größer 120° C auf. Eine noch höhere Temperaturbeständigkeit der Decklaminate von vor¬ zugsweise größer 135° C schafft noch größere Sicherheit, sodaß eine im Spritzguß eingebrachte plastische Masse weder beim Ein¬ bringen zwischen Decklaminate noch beim Aushärten bzw. Erstarren zu thermischen Überlastungen des Decklaminates führt.The temperature resistance of the cover laminate should, of course, be chosen so that a plastic mass introduced in the injection molding does not lead to thermal overloading of the cover laminate neither when it is inserted between cover laminates nor when it cures. Furthermore, for the loose encapsulation of chips, chip modules together with the associated antennas for contactless transmissions, the thermal and mechanical durability of the cover laminate should be sufficient to permit hot pressing with the material of the card core. For this purpose, the pressed cover laminates preferably have a heat resistance of greater than 120 ° C. An even higher temperature resistance of the cover laminates, preferably greater than 135 ° C., creates even greater security, so that a plastic mass introduced in the injection molding does not lead to thermal overloading of the cover laminate neither when inserting between cover laminates nor during curing or solidification.
Im folgenden wird das erfindungsgemaße Decklaminat schematisch in den Figuren 1 bis 4 erläutert. Hierbei zeigt Fig. 1 die Deck¬ laminate und den Kern einer Kunststoffkarte, Fig. 2 den Aufbau des Decklaminates, Fig. 3 die Fertigstellung des Decklaminates durch Spritzgußverbindung der Innen- und Außenschicht des Deck¬ laminates und Fig. 4 die Karte in der Ausfuhrungsform in zu einem Verbund zusammenzufügender Decklaminate und Kernlagen. In einer typischen Ausführungsform gemäß der Fig. 1 sind dünne opake bzw. weiße Druckbögen 2 mit typisch 60 bis 120 Mikrometer Dicke und Formaten für Mehrfachnutzen, typischerweise 24 bzw. 48 Karten pro Druckbogen mit Abmessungen von beispielsweise 30 x 50 cm oder 50 x 70 cm mit den in der Kreditkartenproduktion üblichen Offsetdrucken und Siebdrucken bzw. auch digitalen Druckverfahren, wie beispielsweise dem INDIGO oder XEIKO Ver¬ fahren als auch den diversen InkJet-Verfahren kundenspezifisch ausgestaltet und falls notwendig mit entsprechenden thermisch aktivierbaren Klebebeschichtungen, z.B. im Siebdruck, versehen. Die graphisch gestalteten Bögen sind mit transparenten Kunst¬ stoff-Folienbögen 1 in einem Laminierprozeß zu sogenannten Deck¬ laminaten 3,4 verbunden. Der Karten-Kern ist mit 5 bezeichnet.In the following, the cover laminate according to the invention is explained schematically in FIGS. 1 to 4. 1 shows the cover laminates and the core of a plastic card, FIG. 2 shows the structure of the cover laminate, FIG. 3 shows the completion of the cover laminate by injection molding the inner and outer layers of the cover laminate, and FIG. 4 shows the card in the embodiment in top laminates and core layers to be joined together. In a typical embodiment according to FIG. 1, thin opaque or white sheets 2 with a typical thickness of 60 to 120 microns and formats for multiple uses, typically 24 or 48 cards per sheet with dimensions of, for example, 30 × 50 cm or 50 x 70 cm with the customary offset printing and screen printing or digital printing processes, such as the INDIGO or XEIKO process, as well as the various inkjet processes custom-made and if necessary with appropriate thermally activated adhesive coatings, e.g. screen printed. The graphically designed sheets are connected with transparent plastic sheet sheets 1 in a lamination process to form so-called cover laminates 3, 4. The card core is labeled 5.
Wie in Fig. 2 gezeigt, dient eine transparente Kunststoff-Folie 1 als sogenannte Overlayfolie. Diese transparenten Overlayfolien sind wahlweise auf den Innenseiten mit thermisch aktivierbaren Schmelzklebern 6 mittels Siebdruck aufgebracht, wobei als Mate- rialien hierbei PVC-h, ABS, PET, PMMA bis zu PC als auch Mischungen eingesetzt werden können. Der eingebrachte Magnet- streifen ist mit 15 bezeichnet, das Bezugszeichen 7 stellt die aufgebrachte graphische Gestaltung dar.As shown in FIG. 2, a transparent plastic film 1 serves as an overlay film. These transparent overlay foils are optionally applied to the inside with thermally activatable hot melt adhesives 6 by means of screen printing, PVC-h, ABS, PET, PMMA up to PC as well as mixtures being able to be used as materials. The magnetic strip introduced is designated by 15, reference numeral 7 represents the graphic design applied.
Die beiden vorkonfektionierten Folien 1 und 2 sind zu den Deck¬ laminaten 3,4 mittels Laminierprozeß, typischerweise in Mehr¬ etagen-Transfer-Pressen verbunden. Dieε kann in der üblichen Mehrfachnutzenform und einem erneuten Zusammentragen der ver¬ schiedenen Lagen 3,4 als Decklaminate und den weiteren Lagen 13,14 erfolgen, wie in Fig. 4 dargestellt, wobei die jeweiligen Decklaminate 3 in diesem Fall bereits einen Verbund aufweisen.The two pre-assembled films 1 and 2 are connected to the cover laminates 3, 4 by means of a laminating process, typically in multi-storey transfer presses. This can take place in the usual multiple-use form and a renewed collation of the various layers 3, 4 as cover laminates and the further layers 13, 14, as shown in FIG. 4, the respective cover laminates 3 in this case already having a composite.
In einer weiteren typischen Ausführungsform werden die derart vorgefertigten Decklaminate 3,4 meist optolektronisch in Einzel- Decklaminate gestanzt und beispielsweise einem Spritzgußauto¬ maten mit Spritzgußformen 8,9 und Kavitäten 10,11 aus einem Magazin zugeführt. In Fig. 3 wird dieser Fall schematisch darge¬ stellt, wobei in einer weiteren speziellen Ausbildungsform auf einem der Decklaminate im Kernbereich eine nicht näher bezeich- nete Transponderspule inkl. Chipmodul angeordnet werden kann und dieser Kernbereich mittels thermoplastischen, in Einspritzrich- tung 12 eingebrachten dünnfließenden Kunststoff ausgespritzt wird. Um eine optimale Anbindung der Spritzgußmasse an die kern- seitige Seite der Decklaminate zu gewährleisten, werden oftmals zusätzliche, Fig. 2 entnehmbare, Hilfsschichten 16 derart ange¬ bracht, daß diese wiederum auf die bereits fertigen Decklaminate im Mehrfachnutzen appliziert werden und Beschichtungssysteme eingesetzt werden, die auf einer wässerigen Polyurethan-Disper¬ sion basieren. Hierbei gelangt ein langkettiges aliphatisches Polyurethan-System zum Einsatz, das wiederum mittels Siebdruck appliziert wird, jedoch ebenfalls mittels Spritzlackierver- fahren, Rollenbeschichtungsverfahren als auch mittels Vorhang¬ gießen aufgebracht werden kann. In a further typical embodiment, the cover laminates 3, 4 prefabricated in this way are usually punched optoelectronically into individual cover laminates and, for example, fed to an injection molding machine with injection molds 8, 9 and cavities 10, 11 from a magazine. This case is shown schematically in FIG. 3, wherein in a further special embodiment, a transponder coil, including a chip module, which is not specified, can be arranged on one of the cover laminates in the core area, and this core area by means of thermoplastic, thin-flowing, introduced in the injection direction 12 Plastic injected becomes. In order to ensure an optimal connection of the injection molding compound to the core side of the cover laminates, additional auxiliary layers 16, which can be seen in FIG. 2, are often attached in such a way that they are in turn applied to the already finished cover laminates in multiple uses and coating systems are used. which are based on an aqueous polyurethane dispersion. Here, a long-chain aliphatic polyurethane system is used, which in turn is applied by means of screen printing, but can also be applied by means of spray painting processes, roller coating processes and also by curtain casting.

Claims

Ansprüche : Expectations :
1. Decklaminat für Kunststoffkarten, wie z.B. Spritzgußkarten, Kontaktloskarten od.dgl, dadurch gekennzeichnet, daß das Deckla¬ minat aus zwei vorverpreßten Schichten gebildet ist, wobei eine bedruckte opake bzw. weiße Schicht mit einer transparenten weiteren Schicht unter Zwischenschaltung eines Klebers verpreßt iεt.1.Laminate for plastic cards, e.g. Injection molding cards, contactless cards or the like, characterized in that the cover laminate is formed from two pre-pressed layers, a printed opaque or white layer being pressed with a transparent further layer with the interposition of an adhesive.
2. Decklaminat nach Anspruch 1, dadurch gekennzeichnet, daß die transparente Schicht 30 bis 70 % der Schichtdicke der bedruckten Schicht aufweist.2. Cover laminate according to claim 1, characterized in that the transparent layer has 30 to 70% of the layer thickness of the printed layer.
3. Decklaminat nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die verpreßten Decklaminate eine Dicke im Bereich 70 bis 200 um aufweisen.3. cover laminate according to claim 1 or 2, characterized in that the pressed cover laminates have a thickness in the range 70 to 200 microns.
4. Decklaminat nach Anspruch 1, 2 oder 3, dadurch gekennzeich- net, daß die bedruckte Schicht eine Schichtstärke von etwa 80 μm bis 100 μm aufweist.4. cover laminate according to claim 1, 2 or 3, characterized in that the printed layer has a layer thickness of about 80 microns to 100 microns.
5. Decklaminat nach einem der Ansprüche 1 bis 4, dadurch gekenn¬ zeichnet, daß das Decklaminat einen insbesondere innenliegenden Magnetstreifen enthält.5. cover laminate according to one of claims 1 to 4, characterized gekenn¬ characterized in that the cover laminate contains an internal magnetic strip in particular.
6. Decklaminat nach einem der Ansprüche 1 bis 5, dadurch gekenn¬ zeichnet, daß die transparente Schicht aus laserbeschreibbarem Kunststoff besteht.6. Cover laminate according to one of claims 1 to 5, characterized gekenn¬ characterized in that the transparent layer consists of laser-writable plastic.
7. Decklaminat nach einem der Ansprüche 1 bis 6, dadurch gekenn¬ zeichnet, daß die Wärmestandsfestigkeit der verpreßten Decklami¬ nate größer 120° C beträgt.7. cover laminate according to one of claims 1 to 6, characterized gekenn¬ characterized in that the heat resistance of the pressed Decklami¬ nate is greater than 120 ° C.
8. Decklaminat nach einem der Ansprüche 1 bis 6, dadurch gekenn¬ zeichnet, daß die verpreßten Decklaminate eine Wärmestands¬ festigkeit von größer 135° C aufweisen. 8. cover laminate according to one of claims 1 to 6, characterized gekenn¬ characterized in that the pressed cover laminates have a heat resistance of greater than 135 ° C.
PCT/AT1996/000217 1995-11-10 1996-11-07 Cover laminate for plastic cards WO1997018075A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871119A (en) * 1972-02-28 1975-03-18 Avant Ind Laminated identification card
EP0266109A2 (en) * 1986-10-28 1988-05-04 Rexham Industries Corp. Decorative sheet material simulating the appearance of a base coat/clear coat paint finish
US4852911A (en) * 1986-11-12 1989-08-01 Gao Gesellschaft Fur Automation Und Organisation Mbh Identification card having a magnetic track covered by color and methods for producing it
US5198652A (en) * 1990-10-19 1993-03-30 Schlumberger Industries Method for manufacturing a memory card capable of receiving a photographic image, and card thus obtained
CH684528A5 (en) * 1994-02-05 1994-10-14 Hans Auer Process for producing printed smart cards
EP0676715A2 (en) * 1994-04-06 1995-10-11 Dorned B.V. Identity card with optical memory
WO1996034730A1 (en) * 1995-05-02 1996-11-07 Hans Auer Process for producing plastic cards or discs with a printed label on one or both sides

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871119A (en) * 1972-02-28 1975-03-18 Avant Ind Laminated identification card
EP0266109A2 (en) * 1986-10-28 1988-05-04 Rexham Industries Corp. Decorative sheet material simulating the appearance of a base coat/clear coat paint finish
US4852911A (en) * 1986-11-12 1989-08-01 Gao Gesellschaft Fur Automation Und Organisation Mbh Identification card having a magnetic track covered by color and methods for producing it
US5198652A (en) * 1990-10-19 1993-03-30 Schlumberger Industries Method for manufacturing a memory card capable of receiving a photographic image, and card thus obtained
CH684528A5 (en) * 1994-02-05 1994-10-14 Hans Auer Process for producing printed smart cards
EP0676715A2 (en) * 1994-04-06 1995-10-11 Dorned B.V. Identity card with optical memory
WO1996034730A1 (en) * 1995-05-02 1996-11-07 Hans Auer Process for producing plastic cards or discs with a printed label on one or both sides

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