EP3302996A1 - Sicherheitselement mit farbkippeffekt - Google Patents
Sicherheitselement mit farbkippeffektInfo
- Publication number
- EP3302996A1 EP3302996A1 EP16720343.9A EP16720343A EP3302996A1 EP 3302996 A1 EP3302996 A1 EP 3302996A1 EP 16720343 A EP16720343 A EP 16720343A EP 3302996 A1 EP3302996 A1 EP 3302996A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security element
- layer
- element according
- area
- color shift
- 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.)
- Granted
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
- B42D25/355—Security threads
-
- 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
-
- 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
-
- 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
- B42D25/373—Metallic 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
Definitions
- the invention relates to a security element for documents of value and data carriers with at least two different color shift effects, wherein when changing the viewing angle not only the color shift effect is recognizable but also an additional optical effect is produced.
- EP 1 716 007 B1 discloses security elements with optically variable layers which impart different color impressions at certain viewing angles and which have additional security levels in addition to this color-shift effect in the color-shift effect setup.
- WO 2006/040069 A discloses a security element for protecting valuables with an optically variable layer, which likewise gives different color impressions at different viewing angles.
- a semitransparent ink layer is arranged in a limited coverage area over the optically variable layer, the color impression of which is adapted to the color impression of the optically variable layer under predetermined viewing conditions.
- EP 2 420 391 A discloses a security element having an optically variable layer which has different color impressions at different viewing angles, a colored metallic layer being arranged in a defined area above or next to the optically variable layer is, wherein the color impression of this layer is adapted to the color impression of the optically variable layer under a defined viewing angle.
- the object of the invention was to provide a security element which has at least two different color-shift effect areas and an increased security against counterfeiting.
- the invention therefore relates to a security element for banknotes, documents of value and data carriers comprising a carrier substrate and a coating which has color shift effects, characterized in that the coating has at least two optionally repeating regions with different color shift effects, the regions being respectively matched to one another in such a way that that with constant change of the viewing angle, the original color of the first area first in the area adjacent to this first area or in the area spaced from this first area or in a first area at least partially overlapping area is visible and further changing the angle of view in the other adjacent, spaced or overlapping areas appears.
- carrier films are preferably flexible plastic films, for example of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC , PTFE, ETFE (ethylene tetrafluoroethylene), PFA (tetrafluoroethylene)
- the carrier films preferably have a thickness of 5 to 700 ⁇ m, preferably 5 to 200 ⁇ m ( ⁇ , particularly preferably 5 to 50 ⁇ m).
- PET films are particularly preferred.
- these different areas are created by printing color shift effect inks.
- Pigments suitable for the preparation of such printing inks are disclosed, for example, in WO 00/31571 A, US 5,278,590, US 5,135,812.
- the color shift effect can also be realized by a layer structure comprising an electromagnetic wave reflecting layer, a polymeric or dielectric spacer layer and absorption layer, for example a metallic layer or a layer formed from metallic clusters.
- an electromagnetic wave reflecting layer is applied to the carrier substrate.
- This layer may preferably be made of metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, of semiconductors such as silicon, and their alloys, for example nickel / chromium, copper / aluminum and the like or a Printing ink with metal pigments exist.
- the thickness of the electromagnetic wave reflecting layer is preferably about 10 - 50 nm, but also higher or lower layer thicknesses are possible.
- polymeric or dielectric spacer layer can also be applied over the entire surface or preferably partially. However, it is also possible for a plurality of polymeric or dielectric spacer layers to be applied over the whole area or partially.
- polymeric spacer layer (s) consist for example of conventional or radiation-curing, in particular U-curing, dye or paint systems based on nitrocellulose, epoxy, polyester, rosin, acrylate alkyd, melamine, PVA, PVC, isocyanate, urethane or PS copolymer systems.
- dielectric spacer layer for example, layers of S1O2, ZnS, MgF 2 , ⁇ 2 or Ta20s in question.
- the thickness of the spacer layer can be selectively varied within a wide range, for example in a range of 10 nm to 3 ⁇ m in order to produce different color matching effects matched to one another.
- the metallic clusters can consist, for example, of aluminum, gold, palladium, platinum, chromium, silver, copper, nickel, tantalum, tin and the like or their alloys, such as, for example, Au / Pd, Cu / Ni or Cr / Ni.
- a full-surface or partial metallic layer can be applied as the absorption layer, this layer being made, for example, of metals, such as, for example, aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, or their alloys, for example nickel / chromium, Copper / aluminum and the like or a printing ink with metal pigments may exist.
- metals such as, for example, aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, or their alloys, for example nickel / chromium, Copper / aluminum and the like or a printing ink with metal pigments may exist.
- the areas with different formation of the color shift effect are applied side by side.
- the areas can be directly adjacent to each other adjacent, overlapping or registration with an unprinted area between the individual areas, wherein the unprinted area preferably occupies less than 50% of the width of a printed area, be arranged.
- the shape of the regions may vary, the regions may be embodied as geometric shapes, in the form of waves, arrows, bars, stripes, characters, letters, numbers, symbols and the like.
- the length of the areas is such that all areas can be viewed under the same viewing angle.
- Lengths of about 0.5 to 25 mm, for example, have proved to be suitable for areas in bar form.
- the regions in the form of a gradient may be printed overlapping in a defined region, that is to say the transition between the regions is smooth and flowing and not along a sharp boundary.
- FIGS. 1 to 10 show exemplary embodiments in which:
- a blank area 11 a lacquer layer with an optically active structure, for example a diffraction structure, a hologram or a surface relief.
- an optically active structure for example a diffraction structure, a hologram or a surface relief.
- FIG. 1 shows an exemplary embodiment of a security element with three different color-shift effects 1, 2, and 3.
- the target color When viewed at an angle of 90 ° is the target color, in this case, a blue hue only in the first area recognizable. If the security element is tilted so that the viewing angle is approximately 60 °, the blue hue disappears from the first area and the target hue appears in the second area, the security element is tilted by a further 30 °, in other words such that the viewing angle is 30 ° , the blue hue disappears from the second area and appears in the third area.
- the security element gives the impression of a movement effect of the target color (in this case blue) when tilting.
- the areas are applied in the form of a gradient, the differences between the individual colors are attenuated by the color transitions and the movement of the target color does not abruptly but smoothly.
- FIG. 2 shows the simplest embodiment of the invention.
- the security element has on a transparent carrier film on two repeating areas, 2 with different color shift effect.
- FIG. 2a shows an embodiment analogous to FIG. 2, but with a further absorption layer 11 below the color-shift effect layers 1, 2, 3 for enhancing the color-shift effect.
- the absorption layer may be a layer of an absorbing printing ink, preferably a dark, in particular black printing ink or even a metallic layer or a layer of a metal compound, for example of non-stoichiometric alumina or stoichiometric or non-stoichiometric copper oxide, which was applied, for example, by vapor deposition or sputtering act.
- FIG. 3 the embodiment is shown, as shown in Fig. 1, three different Farbkipp bine 1, 2, 3, which were applied in this case overlapping each other in regions.
- the security element in this case shows gradient zones or a gradient gradient with overlapping areas 13.
- FIG. 4 shows an embodiment in which the sequence of the different regions 1, 2, 3 is arranged in opposite directions.
- FIG. 5 shows a further preferred embodiment.
- the areas 1, 2, 3 which have the different color-shift effects are not implemented over the entire width of the security element, in the remaining area of the security element a print layer 4, 5, 6 is applied, the color of the respective Farbkipp clear Kunststoff when viewed at an angle of 90 ° corresponds.
- the viewing angle is changed, then in the range of different color shift effects, the migration of the target color from one area to another, in the area of the ink does not change color, the color of the print area remains unchanged and is then different to the hue of the Farbkipp clear Kunststoffs.
- the color of the Farbkippeff Stamms under any other viewing angle for the time being the Color impression of the ink correspond, in which case the change in the viewing angle of the effect described above occurs analogously.
- FIG. 6 shows an embodiment in which recesses 12 in the form of numbers or symbols are provided in the color shift effect layer regions 1, 2. These recesses may be realized by recesses in the color-shift effect printing layer or, if the color-shift effect layer is realized by a multilayer structure consisting of an electromagnetic wave reflecting layer, a spacer layer 8 and an absorption layer 9 of a metallic layer or a layer of metallic clusters electromagnetic wave reflecting layer 7 and / or the absorption layer 9 ⁇
- the recesses may be in the form of geometric shapes, characters, letters, numbers, lines or symbols and may be provided in one or more of the areas with different color-shift effects. In Farbkipp concise Anlagen 3 no recess is provided.
- FIG. 7 shows an embodiment in which the regions of different color-shift effects 2, 3 are executed in an arrow shape.
- FIG. 8 shows an embodiment in which the regions of different color-shift effects 1, 2, 3 are executed in waveform.
- recesses 12 are provided in the form of letters in the individual areas.
- FIG. 9 shows an embodiment in which the regions of different color-shift effects 1, 2, 3 are separated from one another by an unprinted region 13.
- the carrier substrate below the layer with the regions of different color-shift effects has a lacquer layer of an optically active structure, for example a diffraction structure, a hologram, a surface relief or the like. If desired, this lacquer layer can be combined with a reflection layer (not illustrated), for example a metallic reflective layer, which is not shown in FIG.
- the security element can also be designed as a transfer material, wherein the security element is then fixed with the aid of an adhesive layer on the object to be secured and the carrier substrate is then optionally removed.
- the carrier substrate may be advantageous to provide with a release layer before applying the security features.
- the security element according to the invention can also have further security features which can be present in further layers. These security features may be located below or above the layer having the color shift effect according to the invention, care being taken that the impression of the moving color shift effect is not disturbed.
- the further security features can also be provided in unprinted areas or instead of at least one of the pressure areas 4, 5, 6 illustrated in FIG. 5.
- These security features can have certain chemical, physical and also optical or optical active properties.
- paramagnetic, diamagnetic and also ferromagnetic substances such as iron, nickel and cobalt or their compounds or salts (for example oxides or sulfides) can be used.
- magnétique pigment paints with pigments based on oxides, iron, nickel cobalt and their alloys, barium or cobalt ferrite, hard and soft magnetic iron and steel grades in aqueous or solvent-containing dispersions.
- solvents for example, Propanol, ethyl acetate, methyl ethyl ketone, methoxypropanol and mixtures thereof in question.
- the pigments are preferably incorporated in acrylate polymer dispersions having a molecular weight of from 150,000 to 300,000, in nitrocellulose, acrylate-urethane dispersions, acrylate-styrene or PVC-containing dispersions or in solvent-containing dispersions of this type.
- the magnetic layer may also have a coding. Both magnetic materials of the same coercivity and / or remanence as well as different coercivity and / or remanence can be used to form the coding.
- the electromagnetic reflective metallic layer of the color shift effect setup may itself have magnetic properties. This is achieved, for example, by the use of a magnetic material such as Fe, Ni, Co.
- Electrode properties such as conductivity, for example, graphite, carbon black, conductive organic or inorganic polymers.
- Metal pigments for example, copper, aluminum, silver, gold, iron, chromium and the like
- metal alloys such as copper-zinc or copper-aluminum or amorphous or crystalline ceramic pigments such as ITO and the like may be added.
- doped or non-doped semiconductors such as, for example, silicon, germanium or ionic conductors, such as amorphous or crystalline metal oxides or metal sulfides, as an additive.
- polar or partially polar compounds such as surfactants or nonpolar compounds such as silicone additives or hygroscopic or non-hygroscopic salts can be used or added to adjust the electrical properties of the layer.
- optical properties of the layer can be influenced by visible dyes or pigments, heat-sensitive inks or pigments. These can be used individually or in all possible combinations. Among optically active characteristics are here diffraction structures, diffraction gratings, kinegrams, holograms, DID understood ® (0th order in conjunction with thin films microstructures).
- optically active features can be produced, for example, by known UV embossing processes, as described, for example, in EP 1 310 381 A or by hot embossing processes.
- optically active features may optionally be combined with a full-surface or partial reflection layer, for example with a metallic reflective layer or an HRI layer (high refractive index layer).
- this adhesive coating can be carried out either in the form of a heat-seal, cold-seal or self-adhesive coating.
- the adhesive may also be pigmented, it being possible to use as pigments all known pigments or dyes, for example ⁇ 2, ZnS, kaolin, ATO, FTO, aluminum, chromium and silicon oxides or, for example, organic pigments such as pthalocyanine blue, i-indolide yellow, dioxazine violet and the like , Furthermore, it is possible to add heat-sensitive dyes or pigments to luminescent dyes or pigments which fluoresce or phosphoresce in the visible, in the UV region or in the IR region. These can be used in all possible combinations. In addition, luminescent pigments can also be used alone or in combination with other dyes and / or pigments.
- the security element can also be protected by one or more protective lacquer layer (s), which may be pigmented or unpigmented, or further refined, for example, by laminating or the like.
- the security element can also be provided on one or both sides with an adhesive layer, for example with a cold or heat-sealing layer or a self-adhesive coating.
- the security elements according to the invention are therefore optionally suitable for assembly as security features in data carriers, in particular value documents such as identification cards, banknotes or labels, seals and the like, but also as packaging material, for example in the pharmaceutical, electronics and / or food industry, for example in form Blister foils, cartons, covers, foil packaging and the like.
- the substrates or security elements are preferably cut into strips or threads or patches, wherein the width of the strips or threads may preferably be 0.05-10 mm and the patches preferably have average widths or lengths of 0.3. 20 mm.
- the security element is preferably cut into strips, tapes, threads or patches, wherein the width of the threads, strips or tapes is preferably 0.05-50 mm and the patches are preferably average widths and lengths of 2 - 30 mm.
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA341/2015A AT517320B1 (de) | 2015-05-29 | 2015-05-29 | Sicherheitselement mit Farbkippeffekt |
| PCT/EP2016/000615 WO2016192828A1 (de) | 2015-05-29 | 2016-04-14 | Sicherheitselement mit farbkippeffekt |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3302996A1 true EP3302996A1 (de) | 2018-04-11 |
| EP3302996C0 EP3302996C0 (de) | 2024-04-10 |
| EP3302996B1 EP3302996B1 (de) | 2024-04-10 |
Family
ID=55910907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16720343.9A Active EP3302996B1 (de) | 2015-05-29 | 2016-04-14 | Sicherheitselement mit farbkippeffekt |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3302996B1 (de) |
| AT (1) | AT517320B1 (de) |
| WO (1) | WO2016192828A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022000101A1 (de) * | 2022-01-12 | 2023-07-13 | Giesecke+Devrient Currency Technology Gmbh | Optisch variables Sicherheitselement |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5135812A (en) | 1979-12-28 | 1992-08-04 | Flex Products, Inc. | Optically variable thin film flake and collection of the same |
| US5766738A (en) * | 1979-12-28 | 1998-06-16 | Flex Products, Inc. | Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method |
| CH659433A5 (de) * | 1982-10-04 | 1987-01-30 | Landis & Gyr Ag | Dokument mit einem beugungsoptischen sicherheitselement. |
| US5278590A (en) | 1989-04-26 | 1994-01-11 | Flex Products, Inc. | Transparent optically variable device |
| DE10042461C2 (de) | 2000-08-29 | 2002-11-07 | November Ag Molekulare Medizin | Verfahren zur fälschungssicheren Markierung von Gegenständen und fälschungssichere Markierung |
| AT502139A1 (de) | 2001-11-09 | 2007-01-15 | Hueck Folien Gmbh | Bahnförmige materialien mit oberflächenstruktur, verfahren zu deren herstellung und deren verwendung |
| AT504587A1 (de) | 2004-02-16 | 2008-06-15 | Hueck Folien Gmbh | Fälschungssicheres sicherheitsmerkmal mit farbkippeffekt |
| DE102005011612A1 (de) * | 2004-08-13 | 2006-02-23 | Giesecke & Devrient Gmbh | Datenträger mit einer optisch variablen Struktur |
| DE102004049118A1 (de) | 2004-10-07 | 2006-04-13 | Giesecke & Devrient Gmbh | Sicherheitselement und Verfahren zu seiner Herstellung |
| DE102006015818A1 (de) | 2006-04-03 | 2007-10-04 | Leonhard Kurz Gmbh & Co. Kg | Wertdokument mit Sicherheitselement |
| GB0720550D0 (en) * | 2007-10-19 | 2007-11-28 | Rue De Int Ltd | Photonic crystal security device multiple optical effects |
| DE102007061838A1 (de) | 2007-12-20 | 2009-06-25 | Giesecke & Devrient Gmbh | Sicherheitselement und Verfahren zu seiner Herstellung |
| JP5311159B2 (ja) * | 2008-10-03 | 2013-10-09 | シクパ ホルディング ソシエテ アノニム | 光学的に変化する対セキュリティ要素 |
| DE102010047250A1 (de) | 2009-12-04 | 2011-06-09 | Giesecke & Devrient Gmbh | Sicherheitselement, Wertdokument mit einem solchen Sicherheitselement sowie Herstellungsverfahren eines Sicherheitselementes |
| AT510220B1 (de) | 2010-07-19 | 2013-07-15 | Hueck Folien Gmbh | Sicherheitselement mit einer optisch variablen schicht |
| DE102010035313A1 (de) | 2010-08-25 | 2012-03-01 | Giesecke & Devrient Gmbh | Sicherheitselement mit ausgerichteten Magnetpigmenten |
| DE102010052665A1 (de) * | 2010-11-26 | 2012-05-31 | Giesecke & Devrient Gmbh | Reflektierendes Sicherheitselement für Sicherheitspapier, Wertdokumente oder dergleichen |
| DE102011119598A1 (de) * | 2011-11-29 | 2013-05-29 | Ovd Kinegram Ag | Optisch variables Element |
| US9844969B2 (en) | 2012-08-01 | 2017-12-19 | Sicpa Holdings Sa | Optically variable security threads and stripes |
| EP2890847B1 (de) | 2012-08-29 | 2025-05-14 | Sicpa Holding Sa | Optisch variable sicherheitsfäden und -streifen |
| DE102013002137A1 (de) | 2013-02-07 | 2014-08-07 | Giesecke & Devrient Gmbh | Optisch variables Flächenmuster |
| TW201501961A (zh) | 2013-05-16 | 2015-01-16 | Sicpa Holding Sa | 防僞疊層 |
| GB201400910D0 (en) | 2014-01-20 | 2014-03-05 | Rue De Int Ltd | Security elements and methods of their manufacture |
| DE102014016028A1 (de) | 2014-10-29 | 2016-05-04 | Giesecke & Devrient Gmbh | Sicherheitselement mit farbkippendem Dünnschichtelement |
-
2015
- 2015-05-29 AT ATA341/2015A patent/AT517320B1/de active
-
2016
- 2016-04-14 WO PCT/EP2016/000615 patent/WO2016192828A1/de not_active Ceased
- 2016-04-14 EP EP16720343.9A patent/EP3302996B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3302996C0 (de) | 2024-04-10 |
| AT517320B1 (de) | 2020-04-15 |
| EP3302996B1 (de) | 2024-04-10 |
| AT517320A1 (de) | 2016-12-15 |
| WO2016192828A1 (de) | 2016-12-08 |
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