WO2001066360A1 - Security device - Google Patents

Security device Download PDF

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Publication number
WO2001066360A1
WO2001066360A1 PCT/GB2001/001053 GB0101053W WO0166360A1 WO 2001066360 A1 WO2001066360 A1 WO 2001066360A1 GB 0101053 W GB0101053 W GB 0101053W WO 0166360 A1 WO0166360 A1 WO 0166360A1
Authority
WO
WIPO (PCT)
Prior art keywords
background
security document
image
laminated
ink
Prior art date
Application number
PCT/GB2001/001053
Other languages
French (fr)
Inventor
Jacqui Louise Thick
Andrew Nutton
Robin Bratchley
Original Assignee
De La Rue International Limited
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 De La Rue International Limited filed Critical De La Rue International Limited
Priority to AU2001237632A priority Critical patent/AU2001237632A1/en
Priority to GB0219063A priority patent/GB2375322B/en
Publication of WO2001066360A1 publication Critical patent/WO2001066360A1/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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes

Definitions

  • the invention relates to a security device and a method for forming such a security device.
  • Security devices are used for securing documents, security cards and the like and are intended to prevent such documents from being copied. It is well known to make use of devices such as holograms to defeat copiers and also various printed devices, often based on the use of raised, printed features which result in certain latent image effects.
  • O-A-9833658 discloses the printing of a raised image on a reflective or brightly coloured background so that as the device is tilted relative to incident light, different effects can be seen.
  • US-A-5468581 discloses a device in which a design is overprinted with a white opaque ink to produce an image. The image is not readily visible to the naked human eye when viewed generally perpendicular to the plane of the document but becomes readily visible when the document is tilted.
  • a security device comprises a specularly reflective background or a background having a specularly reflective component; and an image provided on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background.
  • a method of forming a security device comprises: a) providing a specularly reflective background or a background having a specularly reflective component; and, b) providing an image on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background .
  • a specularly reflective background or a background having a specularly reflective component and an image provided in an opaque, white or lightly coloured diffusely reflective ink leads to a particularly characteristic effect which can be easily detected but which makes the device very difficult to copy.
  • the diffusely reflective ink can have a colour different from the background but other types of difference are also envisaged.
  • a coloured metallic background could be used overprinted with a litho ink the same colour shade but not metallic. The difference could also be in terms of the gloss levels of the inks rather than colour.
  • the background may be plane, for example a solid metallic print or have a pattern, for example an intricate design such as a line working.
  • the diffusely reflective ink could then be printed in register with the background so allowing the device to blend into the design of the article to which it is applied, for example a banknote.
  • the image may be printed using a litho, letterpress, flexography, screen print, intaglio or gravure process.
  • the background will be formed by a metallic layer or metallic particles which could either be printed, for example by litho, screen, gravure, letterpress, flexographic printing process, coating process, ink jet, laser dye sublimation, intaglio, film transfer, die stamping or thermography, on a substrate, or could be a self-supporting metallic layer.
  • a metallic layer or metallic particles which could either be printed, for example by litho, screen, gravure, letterpress, flexographic printing process, coating process, ink jet, laser dye sublimation, intaglio, film transfer, die stamping or thermography, on a substrate, or could be a self-supporting metallic layer.
  • other backgrounds are possible such as metallic foils and threads and non- metallic foils.
  • the opaque, white or lightly coloured reflective ink will typically be printed on the background using any convenient printing process, for example litho, gravure, screen, intaglio, letterpress, ink jet, digital, laser, coating process, dye sublimation, intaglio, film transfer, die stamping or thermography.
  • lightly coloured we mean colours having a CIE 1976 lightness value (L*) greater than 50, and preferably greater than 70.
  • the security device can be formed in a number of steps and in particular steps a) and b) could be sequentially performed.
  • the method further comprises providing the image on a support; providing the background over the image on the support; and transferring the background and image onto a substrate whereby steps a) and b) are carried out substantially simultaneously.
  • steps a) and b) are carried out substantially simultaneously.
  • the security device is printed on a substrate in a single pass.
  • the invention could be used with a variety of articles or items to enhance the security of those items against copying.
  • Typical examples include security cards such as identification cards, credit cards, banknotes, cheques, bonds, certificates and Brand Protection applications.
  • such a laminated security document would be laminated with at least one sheet of laminating film.
  • the laminated security document may be laminated within a pouch pre-formed from two sheets of laminating film.
  • the laminating film used to laminate the security document may be a thermal laminating film or a pressure sensitive laminating film. If the laminating film is not pre-formed into a pouch then a liquid laminating process may be used instead.
  • FIG. 1 is a schematic plan of an example of a security device according to the invention
  • Figure 2 is a schematic view of apparatus for printing the device shown in Figure 1;
  • Figure 3 illustrates the device being viewed
  • Figure 4 is a cross-sectional view of a laminated security document
  • Figure 5 is a cross-sectional view of a pre-formed pouch into which a security document may be encapsulated.
  • the device shown in Figure 1 is provided on a paper substrate 1 and comprises a plane, metallic layer 2 lithographically printed on the substrate 1 with the letters "DE LA RUE" 3 lithographically printed on the background 2.
  • the letters 3 are printed m a white, opaque, diffusely reflective ink examples of which will be described in more detail below.
  • the appearance will revert back to the letters appearing light on a dark background.
  • the letters 3 can almost disappear when the device is viewed perpendicularly.
  • the device shown in Figure 1 may constitute an entire article such as a banknote or the like m which case other information relating to the article will be printed on the background 2 m a conventional manner. Typically, however, the device will form part of an article and could be adhered to another document which it is intended to secure.
  • the background 2 and the letters 3 can be provided on the substrate 1 using a variety of different printing techniques. It is particularly advantageous to use a lithographic or offset letterpress technique since both printing steps can be achieved m a single pass.
  • This is achieved using the apparatus shown schematically in Figure 2.
  • the substrate 1 is passed between an impression roll 5 and a blanket roll 6. As the roll 6 rotates, opaque, white litho ink from a reservoir 7 defining the letters 3 is transferred on to the roll 6 following which the roll is coated with the metallic ink 2 from the reservoir 8.
  • the rol ⁇ then rotates to bring the metallic ink into contact with the substrate 1 where the metallic ink and the previously provided white, opaque ink is transferred on to the substrate 1.
  • separate printing steps are used and, for example, these may comprise the combinations of intaglio print for the opaque ink on a lithographic metallic background; and a letterpress print opaque ink on a lithographic metallic background.
  • the metallic background could also be screen printed.
  • Table 1 sets out suitable metallic inks which can be used for the background.
  • Table 2 provides examples of opaque pigments which can be used for the opaque ink forming the letters 3, TABLE 2
  • Titanium Dioxide RHD2 (ex British Oxide) Zinc Oxide, Lithopone (both Colour Pigments Manufacturer's Association Inc.)
  • a preferred example for a white opaque ink is 30% titania and 70% vehicle.
  • inks having between 10 and 60% titania, preferably 20-40%, are suitable for litho/ letterpress printing and 10-40% for intaglio. The same quantities are appropriate for other opaque pigments.
  • preferred formulations include:
  • Figure 4 shows a cross -section through a security document 1 which has been laminated between two sheets of laminating film 13,14.
  • Sheet 13 at least is transparent so that the security document 1 may be seen.
  • laminating films are widely available and typically comprise a thin polyester or PVC film covered on one side with an adhesive.
  • the adhesive bonds to the substrate, in this case the security document, with the application of either heat or pressure, depending on the adhesive.
  • Suitable laminating films are available from Capsulam International Limited.
  • the laminating films 13, 14. may also be deposited using a liquid laminating process, wherein the security document is coated with a layer of the liquid laminate, which is then cured in situ to form a solid lamination.
  • Two sheets of either thermal or pressure sensitive laminating film may be combined to form a pouch within which the security document is encapsulated.
  • a pouch 15 pre-formed from two sheets of thermal or pressure sensitive laminating film 16,17 is shown in Figure 5.
  • the security document 1 is inserted into the pouch 15, the sheets of laminating film 16,17 brought together and heat or pressure applied to the pouch 15 as appropriate.
  • Sheet 16 at least is transparent so that the security document 1 is visible.

Abstract

A security device (1) comprising a specularly reflective background (2) or a background having a specularly reflective component. An image (3) provided on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background (2).

Description

SECURITY DEVICE
The invention relates to a security device and a method for forming such a security device. Security devices are used for securing documents, security cards and the like and are intended to prevent such documents from being copied. It is well known to make use of devices such as holograms to defeat copiers and also various printed devices, often based on the use of raised, printed features which result in certain latent image effects. For example, O-A-9833658 discloses the printing of a raised image on a reflective or brightly coloured background so that as the device is tilted relative to incident light, different effects can be seen. US-A-5468581 discloses a device in which a design is overprinted with a white opaque ink to produce an image. The image is not readily visible to the naked human eye when viewed generally perpendicular to the plane of the document but becomes readily visible when the document is tilted.
There is a need to develop new security features in view of the continuing sophistication of copiers, scanners and other digital reproduction methods.
In accordance with one aspect of the present invention, a security device comprises a specularly reflective background or a background having a specularly reflective component; and an image provided on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background.
In accordance with a second aspect of the present invention, a method of forming a security device comprises: a) providing a specularly reflective background or a background having a specularly reflective component; and, b) providing an image on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background . We have found that the combination of a specularly reflective background or a background having a specularly reflective component and an image provided in an opaque, white or lightly coloured diffusely reflective ink leads to a particularly characteristic effect which can be easily detected but which makes the device very difficult to copy. Typically, the diffusely reflective ink (or image ink) can have a colour different from the background but other types of difference are also envisaged. For example, a coloured metallic background could be used overprinted with a litho ink the same colour shade but not metallic. The difference could also be in terms of the gloss levels of the inks rather than colour.
The background may be plane, for example a solid metallic print or have a pattern, for example an intricate design such as a line working. The diffusely reflective ink could then be printed in register with the background so allowing the device to blend into the design of the article to which it is applied, for example a banknote.
The image may be printed using a litho, letterpress, flexography, screen print, intaglio or gravure process.
The variation in appearance of the device will depend on the particular printing processes involved.
It will also depend on the thickness of the image print, reflection characteristics of both the background comprising of a specularly reflective background and the image ink, the colour of both and the orientation of the light source for viewing.
With a diffuse light source and viewing the sample normally the image appears dark on a light background. Viewing at 45° the image appears light on a dark background . The reason for these changes is partly due to the specularly reflective nature of the background and also due to the different proportions of the specularly and diffuse reflective properties of the two components (i.e. the images and background inks) . When the ink is printed with intaglio and the device is tilted the change in contrast becomes highlighted. Typically, the background will be formed by a metallic layer or metallic particles which could either be printed, for example by litho, screen, gravure, letterpress, flexographic printing process, coating process, ink jet, laser dye sublimation, intaglio, film transfer, die stamping or thermography, on a substrate, or could be a self-supporting metallic layer. However, other backgrounds are possible such as metallic foils and threads and non- metallic foils.
The opaque, white or lightly coloured reflective ink will typically be printed on the background using any convenient printing process, for example litho, gravure, screen, intaglio, letterpress, ink jet, digital, laser, coating process, dye sublimation, intaglio, film transfer, die stamping or thermography. By "lightly coloured" we mean colours having a CIE 1976 lightness value (L*) greater than 50, and preferably greater than 70.
The security device can be formed in a number of steps and in particular steps a) and b) could be sequentially performed.
However, in some preferred aspects, the method further comprises providing the image on a support; providing the background over the image on the support; and transferring the background and image onto a substrate whereby steps a) and b) are carried out substantially simultaneously. This can be achieved particularly easily using a lithographic process or offset letterpress process preferably so the security device is printed on a substrate in a single pass. This minimises processes without entailing additional costs.
Thus, in the preferred process, the security device is printed on a substrate in a single pass. As mentioned above, the invention could be used with a variety of articles or items to enhance the security of those items against copying. Typical examples include security cards such as identification cards, credit cards, banknotes, cheques, bonds, certificates and Brand Protection applications.
In some instances, for example identification cards and credit cards, it may be desired to produce a laminated security document carrying a security device according to the first aspect of the invention or formed by a method according to the second aspect of the invention.
Typically, such a laminated security document would be laminated with at least one sheet of laminating film.
When laminating film is used, the laminated security document may be laminated within a pouch pre-formed from two sheets of laminating film.
The laminating film used to laminate the security document may be a thermal laminating film or a pressure sensitive laminating film. If the laminating film is not pre-formed into a pouch then a liquid laminating process may be used instead.
Some examples of security devices and methods according to the invention will now be described with reference to the accompanying drawings, in which: - Figure 1 is a schematic plan of an example of a security device according to the invention;
Figure 2 is a schematic view of apparatus for printing the device shown in Figure 1;
Figure 3 illustrates the device being viewed; Figure 4 is a cross-sectional view of a laminated security document; and,
Figure 5 is a cross-sectional view of a pre-formed pouch into which a security document may be encapsulated.
The device shown in Figure 1 is provided on a paper substrate 1 and comprises a plane, metallic layer 2 lithographically printed on the substrate 1 with the letters "DE LA RUE" 3 lithographically printed on the background 2. The letters 3 are printed m a white, opaque, diffusely reflective ink examples of which will be described in more detail below.
When the device in Figure 1 is illuminated by a light beam 10 at 45° to the plane of the substrate 1 and viewed perpendicularly 11 (Figure 3) , the letters 3 appear light on a dark background. This is because light incident on the background 2 is specularly reflected away from the observer. When the substrate 1 is viewed 12 at an angle of about 45° to the perpendicular, the letters 3 appear dark on a light background. This is because the light incident on the background 2 is now reflected towards the observer and dominates the information reaching the observer so that the letters 3 appear dark as a result of reflecting far less light towards the observer.
As the device is viewed at larger angles from the normal, the appearance will revert back to the letters appearing light on a dark background. In some cases, with a suitable choice of ink for the letters 3, the letters 3 can almost disappear when the device is viewed perpendicularly.
The device shown in Figure 1 may constitute an entire article such as a banknote or the like m which case other information relating to the article will be printed on the background 2 m a conventional manner. Typically, however, the device will form part of an article and could be adhered to another document which it is intended to secure.
As mentioned above, the background 2 and the letters 3 can be provided on the substrate 1 using a variety of different printing techniques. It is particularly advantageous to use a lithographic or offset letterpress technique since both printing steps can be achieved m a single pass. This is achieved using the apparatus shown schematically in Figure 2. The substrate 1 is passed between an impression roll 5 and a blanket roll 6. As the roll 6 rotates, opaque, white litho ink from a reservoir 7 defining the letters 3 is transferred on to the roll 6 following which the roll is coated with the metallic ink 2 from the reservoir 8. The rol^ then rotates to bring the metallic ink into contact with the substrate 1 where the metallic ink and the previously provided white, opaque ink is transferred on to the substrate 1.
In other methods, separate printing steps are used and, for example, these may comprise the combinations of intaglio print for the opaque ink on a lithographic metallic background; and a letterpress print opaque ink on a lithographic metallic background. The metallic background could also be screen printed.
Table 1 sets out suitable metallic inks which can be used for the background.
TABLE 1
Metalstar 02 O/S Rich Pale Gold (ex Eckhart) N 0135 O/S Silver (ex Process Inks)
Unipak Superlitho 9312 (Wolstenholme International Limited)
Unipak Low VOC 9339 (Wolstenholme International
Limited) Unipak Heatset 9609 (Wolstenholme International
Limited) Unipak UV Offset 8121 (Wolstenholme International
Limited)
Table 2 provides examples of opaque pigments which can be used for the opaque ink forming the letters 3, TABLE 2
Titanium Dioxide RHD2 (ex British Oxide) Zinc Oxide, Lithopone (both Colour Pigments Manufacturer's Association Inc.)
Micro Mica (Norwegian Talc Ltd) Barytes (Viatron Industries Ltd) The preferred pigment is titania
A preferred example for a white opaque ink is 30% titania and 70% vehicle. However, inks having between 10 and 60% titania, preferably 20-40%, are suitable for litho/ letterpress printing and 10-40% for intaglio. The same quantities are appropriate for other opaque pigments.
In the case of lightly coloured inks (non-white) , preferred formulations include:
24.9% titania/75% vehicle/0.1% colour (colour Heliogen Blue D6840 (ex BASF) or Novoperm Red F3RK/70 (ex Hoechst) ) .
24.95% titania/75% vehicle/0.05% colour (colour = Irgalite Green GLN or Irgalite Orange F2G (both ex CIBA Geigy) .
In general terms, we would suggest a formula of: 10-40% opaque pigment, with 20-40% preferred, 0.01-5% coloured pigment with 0.02-0.20% preferred.
All formulae are for litho, letterpress and intaglio inks .
Figure 4 shows a cross -section through a security document 1 which has been laminated between two sheets of laminating film 13,14. Sheet 13 at least is transparent so that the security document 1 may be seen.
These laminating films are widely available and typically comprise a thin polyester or PVC film covered on one side with an adhesive. The adhesive bonds to the substrate, in this case the security document, with the application of either heat or pressure, depending on the adhesive. Suitable laminating films are available from Capsulam International Limited.
The laminating films 13, 14. may also be deposited using a liquid laminating process, wherein the security document is coated with a layer of the liquid laminate, which is then cured in situ to form a solid lamination.
Two sheets of either thermal or pressure sensitive laminating film may be combined to form a pouch within which the security document is encapsulated. Such a pouch 15, pre-formed from two sheets of thermal or pressure sensitive laminating film 16,17 is shown in Figure 5. The security document 1 is inserted into the pouch 15, the sheets of laminating film 16,17 brought together and heat or pressure applied to the pouch 15 as appropriate. Sheet 16 at least is transparent so that the security document 1 is visible.

Claims

1. A security device comprising a specularly reflective background or a background having a specularly reflective component; and an image provided on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background.
2. A device according to claim 1, wherein the background comprises a metallic layer or metallic particles.
3. A device according to claim 2, wherein the metallic layer or metallic particles is printed by means of a lithographic, screen, gravure, letterpress, flexographic printing process, coating process, ink jet, laser, dye sublimation, intaglio, film transfer, die stamping, or thermography.
4. A device according to any of the preceding claims, wherein the diffusely reflective ink has a colour different from the background.
5. A device according to claim 4, wherein the image is provided using a white, opaque ink.
6. A device according to any of the preceding claims, wherein the image is printed using one of a lithographic, gravure, screen, intaglio, flexography, letterpress printing process, coating process, ink jet, laser, dye sublimation, intaglio, film transfer, die stamping, thermography or digital printing.
7. A method of forming a security device, the method comprising: a) providing a specularly reflective background or a background having a specularly reflective component; and, b) providing an image on the background using an opaque, white or lightly coloured diffusely reflective ink which is detectable against the background.
8. A method according to claim 7, further comprising providing the image on a support; providing the background over the image on the support; and transferring the background and image onto a substrate whereby steps a) and b) are carried out substantially simultaneously.
9. A method according to claim 8, wherein a lithographic printing process or offset letterpress process is used.
10. A security document carrying a security device according to any of claims 1 to 6 or formed by a method according to any of claims 7 to 9.
11. A security document according to claim 10, wherein the security document comprises a banknote.
12. A laminated security document carrying a security device according to any of claims 1 to 6 or formed by a method according to any of claims 7 to 9.
13. A laminated security document according to claim 12, wherein the security document is laminated with at least one sheet of laminating film.
14. A laminated security document according to claim 13, wherein the security document is laminated within a pouch pre-formed from two sheets of laminating film.
15. A laminated security document according to claim 13 or claim 14, wherein the laminating film is a thermal laminating film.
16. A laminated security document according to claim 13 or claim 14, wherein the laminating film is a pressure sensitive laminating film.
17. A laminated security document according to claim 13, wherein the sheet or sheets of laminating film are formed m a liquid laminating process.
PCT/GB2001/001053 2000-03-10 2001-03-09 Security device WO2001066360A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001237632A AU2001237632A1 (en) 2000-03-10 2001-03-09 Security device
GB0219063A GB2375322B (en) 2000-03-10 2001-03-09 Security device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0005857.8 2000-03-10
GB0005857A GB0005857D0 (en) 2000-03-10 2000-03-10 Security device

Publications (1)

Publication Number Publication Date
WO2001066360A1 true WO2001066360A1 (en) 2001-09-13

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ID=9887411

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (3)

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AU (1) AU2001237632A1 (en)
GB (2) GB0005857D0 (en)
WO (1) WO2001066360A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003093024A2 (en) * 2002-05-03 2003-11-13 Identicard Systems Incorporated Security image element comprising at least two foils
WO2004101285A1 (en) * 2003-05-19 2004-11-25 Ecole Polytechnique Federale De Lausanne Reproduction of security documents and color images with metallic inks
WO2007140484A2 (en) * 2006-05-31 2007-12-06 Cabot Corporation Colored reflective features and inks and processes for making them
EP1880865A2 (en) * 2006-07-19 2008-01-23 De La Rue International Limited Printed security feature
WO2007140486A3 (en) * 2006-05-31 2008-04-10 Cabot Corp Reflective features with co-planar elements and processes for making them
WO2011135344A1 (en) 2010-04-28 2011-11-03 De La Rue International Limited Printed security feature and method of manufacture
WO2014127402A1 (en) * 2013-02-19 2014-08-28 Innovia Security Pty Ltd Security devices including highly reflective areas and methods of manufacture
EP2318217B2 (en) † 2008-06-05 2016-11-30 Oberthur Fiduciaire SAS Fiduciary or similar document comprising color block designs and copperplate printing, and manufacturing method for same
US9533523B2 (en) 2006-05-31 2017-01-03 Sicpa Holding Sa Reflective features with co-planar elements and processes for making them
WO2018053105A1 (en) * 2016-09-16 2018-03-22 Illinois Tool Works, Inc. Apparatuses and methods for optically variable printing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015100342A1 (en) 2013-12-23 2015-07-02 General Cable Technologies Corporation High visibility cable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565268A1 (en) * 1984-06-05 1985-12-06 Guerimand Voiron Printing substrate which cannot be photocopied
EP0659935A2 (en) * 1993-12-24 1995-06-28 Giesecke & Devrient GmbH Process and apparatus for providing security paper with security elements
WO1997003844A1 (en) * 1995-07-18 1997-02-06 The Governor & Company Of The Bank Of England Production of security document having a metallic security feature

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565268A1 (en) * 1984-06-05 1985-12-06 Guerimand Voiron Printing substrate which cannot be photocopied
EP0659935A2 (en) * 1993-12-24 1995-06-28 Giesecke & Devrient GmbH Process and apparatus for providing security paper with security elements
WO1997003844A1 (en) * 1995-07-18 1997-02-06 The Governor & Company Of The Bank Of England Production of security document having a metallic security feature

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003093024A2 (en) * 2002-05-03 2003-11-13 Identicard Systems Incorporated Security image element comprising at least two foils
WO2003093024A3 (en) * 2002-05-03 2004-04-15 Identicard Systems Inc Security image element comprising at least two foils
WO2004101285A1 (en) * 2003-05-19 2004-11-25 Ecole Polytechnique Federale De Lausanne Reproduction of security documents and color images with metallic inks
WO2007140484A3 (en) * 2006-05-31 2008-10-02 Cabot Corp Colored reflective features and inks and processes for making them
WO2007140486A3 (en) * 2006-05-31 2008-04-10 Cabot Corp Reflective features with co-planar elements and processes for making them
WO2007140484A2 (en) * 2006-05-31 2007-12-06 Cabot Corporation Colored reflective features and inks and processes for making them
US9533523B2 (en) 2006-05-31 2017-01-03 Sicpa Holding Sa Reflective features with co-planar elements and processes for making them
EP1880865A2 (en) * 2006-07-19 2008-01-23 De La Rue International Limited Printed security feature
EP1880865A3 (en) * 2006-07-19 2009-07-08 De La Rue International Limited Printed security feature
EP2318217B2 (en) † 2008-06-05 2016-11-30 Oberthur Fiduciaire SAS Fiduciary or similar document comprising color block designs and copperplate printing, and manufacturing method for same
WO2011135344A1 (en) 2010-04-28 2011-11-03 De La Rue International Limited Printed security feature and method of manufacture
WO2014127402A1 (en) * 2013-02-19 2014-08-28 Innovia Security Pty Ltd Security devices including highly reflective areas and methods of manufacture
WO2018053105A1 (en) * 2016-09-16 2018-03-22 Illinois Tool Works, Inc. Apparatuses and methods for optically variable printing
US10350934B2 (en) 2016-09-16 2019-07-16 Illinois Tool Works Inc. Apparatuses and methods for optically variable printing

Also Published As

Publication number Publication date
GB2375322A (en) 2002-11-13
GB0219063D0 (en) 2002-09-25
GB0005857D0 (en) 2000-05-03
AU2001237632A1 (en) 2001-09-17
GB2375322B (en) 2004-03-03

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