EP1231076B1 - Structure stratifiée - Google Patents

Structure stratifiée Download PDF

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Publication number
EP1231076B1
EP1231076B1 EP20020075522 EP02075522A EP1231076B1 EP 1231076 B1 EP1231076 B1 EP 1231076B1 EP 20020075522 EP20020075522 EP 20020075522 EP 02075522 A EP02075522 A EP 02075522A EP 1231076 B1 EP1231076 B1 EP 1231076B1
Authority
EP
European Patent Office
Prior art keywords
layer
substrate
hologram
security element
situated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20020075522
Other languages
German (de)
English (en)
Other versions
EP1231076A1 (fr
Inventor
Cornelis Buursma
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.)
OVD Kinegram AG
Original Assignee
OVD Kinegram 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 OVD Kinegram AG filed Critical OVD Kinegram AG
Publication of EP1231076A1 publication Critical patent/EP1231076A1/fr
Application granted granted Critical
Publication of EP1231076B1 publication Critical patent/EP1231076B1/fr
Priority to CY20131100409T priority Critical patent/CY1114003T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms

Definitions

  • the invention relates to a laminate structure, in particular for use in security documents, such as passports, credit cards, identity cards and the like, comprising:
  • Figure 4 of this publication shows a structure which is provided with all the characteristic features described above.
  • the hologram layer in the security element is situated on the side of the top layer, and the thermoplastic adhesive layer in the security element is situated on the side of the substrate.
  • the hologram layer in the security element is situated on the side of the top layer and the thermoplastic adhesive layer in the security element is situated on the side of the substrate.
  • the hologram layer in this case comprises a deformable layer, into which the hologram is pressed, directly adjoining a reflective metal layer and then an adhesion-promoting layer.
  • WO 00/61379 which describes a structure which greatly resembles the structures which are known from DE4410431 and US 6,558,411 , is also mentioned.
  • CH0680170 Another relevant document is CH0680170 , which describes a layered structure which has all the characteristic features described above.
  • the hologram layer in the security element is located on the side of the top layer, and the thermoplastic adhesive layer in the security element is situated on the side of the substrate.
  • a separately defined adhesive layer is situated between the hologram layer and the top layer.
  • thermoplastic adhesive layer in the security element is situated on the side of the said levelling layer of lacquer or adhesive
  • hologram layer in the security element is situated on the side of the substrate wherein the levelling layer and the thermoplastic adhesive layer are transparent at least in regions situated above the hologram in the hologram layer.
  • the levelling layer of lacquer ensures that the underside of the top layer is level.
  • This characteristic feature has the effect of ensuring that the hologram layer is adhesively bonded to the substrate via a thermoplastic adhesive layer. Any attempt to remove the hologram layer undamaged will fail. For example, if the top layer, which lies at the top, is cut off, it will be impossible, given a cold, well-adhering layer of adhesive, for the hologram to be removed without being damaged. If the assembly is heated, so that the layer of adhesive becomes soft, the hologram may already have been damaged as a result of this mobility.
  • a levelling layer of lacquer or adhesive is present on the inner side of the top layer at the location of the security element.
  • a levelling layer generally represents an additional step in the manufacturing process. It is therefore preferable to use a top layer which comprises a transparent plastic layer to which a levelling layer of lacquer or adhesive has been applied.
  • the figure shows a laminate structure comprising a top layer 1, a substrate 2 and a security element 3.
  • the top layer 1 and the substrate 2 form part of a flat laminated structure, such as for example a credit card, an identity card, a page from a passport and the like.
  • the top layer 1 will be transparent and the top side of the substrate 2 will be provided with symbols, such as names, addresses and the like.
  • the top layer 1 is applied, which is transparent so that the printing on the substrate 2 is readily visible.
  • a thin security element can be clamped locally between the two layers, which security element is denoted by 3 in the figure.
  • This element 3 is in turn built up as a laminate structure comprising the layers 4, 5 and 6, the layer 4 being a layer of lacquer or adhesive which is applied first to the inner side of the top layer 1 during the production process, in order to make this inner side as smooth and level as possible at the location of the security element.
  • Layer 5 is a glue or adhesive layer comprising a thermoplastic material
  • layer 6 is a hologram layer.
  • the top layer 1 transparent, but the layers 4 and 5 are transparent as well, at least at the locations where these layers are situated above the actual hologram in the layer 6.
  • the layer 6 is a hologram layer, which can be produced in various different ways. For more information, reference is made to the prior art, including the publications referred to above, which discuss hologram layers of this type in more detail.

Landscapes

  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Holo Graphy (AREA)

Claims (6)

  1. Structure en couches, en particulier destinée à être utilisée dans des documents de sécurité, tels que des passeports, des cartes de crédit, des cartes d'identité et analogues, comprenant :
    - un substrat (2) qui comprend une ou plusieurs couches,
    - une couche supérieure (1) qui est formée à partir de matériau transparent,
    - un élément de sécurité (3) qui est agencé localement entre le substrat (2) et la couche supérieure (1) et comprend un nombre de couches, comprenant une couche d'hologramme comprenant un hologramme, caractérisé en ce que l'élément de sécurité comprend en outre :
    - une couche de nivellement (4), de laque ou d'adhésif, située sur un côté intérieur de la couche supérieure (1),
    - une couche adhésive thermoplastique (5), et étant en outre
    caractérisée en ce que
    la couche adhésive thermoplastique (5) dans l'élément de sécurité (3) est située sur le côté de la couche de nivellement (4) et en ce que la couche d'hologramme (6) dans l'élément de sécurité (3) est située sur le côté du substrat (2), dans laquelle la couche de nivellement (4) et la couche adhésive thermoplastique (5) sont transparentes au moins dans des régions situées au-dessus de l'hologramme dans la couche d'hologramme (6), et en ce que la structure est stratifiée.
  2. Structure stratifiée selon la revendication 1,
    caractérisée en ce que
    un côté supérieur du substrat (2) est pourvu de symboles, tels que des noms, des adresses et analogues, dans laquelle la couche supérieure (1) est appliquée sur le côté supérieur du substrat (2).
  3. Structure stratifiée selon la revendication 1 ou la revendication 2,
    caractérisée en ce que
    la couche supérieure (1) comprend une couche de plastique transparente, sur laquelle la couche de nivellement (4) de laque ou d'adhésif est appliquée.
  4. Document de sécurité, tel qu'un passeport, une carte de crédit, une carte d'identité ou analogue,
    caractérisé en ce que
    au moins une partie du document de sécurité est pourvue d'une structure stratifiée selon une quelconque des revendications 1 à 3.
  5. Procédé pour produire une structure stratifiée selon une quelconque des revendications 1 à 3,
    caractérisé par les étapes suivantes :
    a) la fourniture du substrat (2),
    b) la fourniture de symboles imprimés, tels que des noms, des adresses et analogues, sur un côté supérieur du substrat (2),
    c) l'application de la couche supérieure (1),
    d) le serrage de l'élément de sécurité (3) localement entre le côté supérieur du substrat (2) et la couche supérieure (1), dans lequel la couche de nivellement (4) est appliquée d'abord sur le côté intérieur de la couche supérieure (1) et dans lequel la couche adhésive thermoplastique (5) de l'élément de sécurité (3) est située sur le côté de la couche de nivellement (4) et dans lequel la couche d'hologramme (6) de l'élément de sécurité (3) est située sur le côté du substrat (2), et
    e) la stratification de la couche supérieure (1) sur le côté supérieur du substrat (2).
  6. Procédé selon la revendication 5, caractérisé en ce que les symboles sont imprimés.
EP20020075522 2001-02-07 2002-02-07 Structure stratifiée Expired - Lifetime EP1231076B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CY20131100409T CY1114003T1 (el) 2001-02-07 2013-05-23 Πολυστρωματικη κατασκευη

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017307A NL1017307C2 (nl) 2001-02-07 2001-02-07 Gelamineerde geslaagde structuur.
NL1017307 2001-02-07

Publications (2)

Publication Number Publication Date
EP1231076A1 EP1231076A1 (fr) 2002-08-14
EP1231076B1 true EP1231076B1 (fr) 2013-04-17

Family

ID=19772868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020075522 Expired - Lifetime EP1231076B1 (fr) 2001-02-07 2002-02-07 Structure stratifiée

Country Status (6)

Country Link
EP (1) EP1231076B1 (fr)
CY (1) CY1114003T1 (fr)
DK (1) DK1231076T3 (fr)
ES (1) ES2421615T3 (fr)
NL (1) NL1017307C2 (fr)
PT (1) PT1231076E (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7268605B2 (ja) 2018-01-09 2023-05-08 凸版印刷株式会社 積層体、証明証、および、積層体の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527412A1 (de) * 1985-07-31 1987-02-12 Kurz Leonhard Fa Mehrlagige folie, insbesondere heisspraegefolie und verfahren zu deren herstellung
GB9011457D0 (en) 1990-05-22 1990-07-11 Amblehurst Ltd Tamper indicating security tape
CH680170A5 (en) 1991-05-03 1992-06-30 Landis & Gyr Betriebs Ag Diffraction structure identification label - has pattern formed in semiconductor reflective material in laminated component
DE4410431A1 (de) 1994-03-25 1995-09-28 Giesecke & Devrient Gmbh Vor unerlaubter Reproduktion mit einem Kopiergerät geschützte Ausweiskarte
GB9406794D0 (en) * 1994-04-06 1994-05-25 Applied Holographics Protected relief patterns
US5510171A (en) 1995-01-19 1996-04-23 Minnesota Mining And Manufacturing Company Durable security laminate with hologram
NO972244L (no) 1997-05-15 1998-11-16 Photocure Innretning for belysning av et avgrenset omrÕde
EP1169179B2 (fr) 1999-04-07 2012-11-14 Trüb AG Support de donnees et procede de fabrication dudit support

Also Published As

Publication number Publication date
CY1114003T1 (el) 2016-07-27
DK1231076T3 (da) 2013-07-22
PT1231076E (pt) 2013-05-24
ES2421615T3 (es) 2013-09-04
EP1231076A1 (fr) 2002-08-14
NL1017307C2 (nl) 2002-08-08

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