CN108349290B - Security element, its manufacturing method and the data medium equipped with the Security element - Google Patents
Security element, its manufacturing method and the data medium equipped with the Security element Download PDFInfo
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- CN108349290B CN108349290B CN201680061934.3A CN201680061934A CN108349290B CN 108349290 B CN108349290 B CN 108349290B CN 201680061934 A CN201680061934 A CN 201680061934A CN 108349290 B CN108349290 B CN 108349290B
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- 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
- B42D25/20—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
- B42D25/328—Diffraction gratings; Holograms
-
- 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
- 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
- B42D25/30—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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/445—Marking by removal of material using chemical means, e.g. etching
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The present invention relates to a kind of for protecting the Security element of valuable document; it includes transparent carrier substrates and the first translucent functional layer with multi-layer structure; the multilayered structure has the first semi-transparent metal layer, the second semi-transparent metal layer and the dielectric layer being arranged between first semi-transparent metal layer and second semi-transparent metal layer; wherein, second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of first semi-transparent metal layer.
Description
Technical field
The present invention relates to a kind of Security element, manufacture the method for the Security element and the data equipped with the Security element
The valuable documents such as carrier, such as banknote.
Background technique
Such as valuable document or identification file etc. other valuable objects such as data mediums such as brand article usually band
There is the Security element for anti-fake purpose, this Security element allows the true and false of data carriers to be verified, while as anti-
The preventive means of model bootlegging.
In this regard, exist with (perspective) Security element known to plural layers element, it is (i.e. anti-in incident light
Penetrate) observation when be rendered as the first color, and be rendered as second of color when (that is, transmission) observation in transmitted light.WO
2011/082761 A1 illustrates a kind of thin-film component with multi-layer structure, is rendered as gold when observing in incident light,
And blue is rendered as when observing in transmitted light.The multilayered structure be based on two semitransparent reflector mirror layer and be arranged in this two
Medium interlayer between a mirror layer.
Under these premises, the purpose of the present invention is to propose to a kind of this paper Security element of the type mentioned at the beginning, have
High antifalsification and tempting visual appearance, the present invention also propose a kind of manufacturing method for this purpose.
This purpose is realized by the feature combination being defined in the independent claim.Improvement of the invention is appurtenance
It is required that theme.
Summary of the invention
1. (the first aspect of the present invention) is a kind of for protecting the Security element of valuable document safety, including transparent carrier base
Bottom and the first translucent functional layer with multi-layer structure, the multilayered structure have the first semi-transparent metal layer, second semi-transparent
Bright metal layer and the dielectric layer being arranged between first semi-transparent metal layer and second semi-transparent metal layer, wherein
Second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of first semi-transparent metal layer.The
The thickness of two semi-transparent metal layers is preferably at least partly 1.25 to 3 times of the thickness of the first semi-transparent metal layer, especially excellent
Choosing is 1.5 to 2 times.
The Security element of (2. preferred embodiment) as described in the 1st, wherein first semi-transparent metal layer and institute
It states the second semi-transparent metal layer and is based on identical metal.
The Security element of (3. preferred embodiment) as described in the 1st or the 2nd, wherein the Security element has as follows
The following layers structure of sequence:
Transparent carrier substrates；
- the first semi-transparent metal layer；
Dielectric layer；
- the second semi-transparent metal layer is at least partly deposited with the thickness bigger than the thickness of the first semi-transparent metal layer
?；
Or the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the second semi-transparent metal layer is at least partly deposited with the thickness bigger than the thickness of the first semi-transparent metal layer
?；
Dielectric layer；
- the first semi-transparent metal layer.
The thickness of second semi-transparent metal layer is preferably at least partly the 1.25 to 3 of the thickness of the first semi-transparent metal layer
Times, particularly preferably 1.5 to 2 times.
The Security element of (4. preferred embodiment) as described in the 1st, the 2nd or the 3rd, wherein the second translucent gold
Belong to the front that layer limits the translucent functional layer, and the first translucent functional layer limits the back of the translucent functional layer
Face, and the translucent functional layer
When observing the back side in incident light, the color that can visually identify with the first；
When observing front in incident light, in the second semi-transparent metal layer with bigger than the first semi-transparent metal layer
Position existing for thickness has second of color that can visually identify, and has the first can be visually in other positions
The color of identification；
When observing front in transmitted light and observing the back side in transmitted light, there is the third can visually know
Other color.
The Security element of (5. preferred embodiment) as described in the 4th, wherein described two semi-transparent metal layers are selected from
Aluminium or silver, and the dielectric layer is silicon dioxide layer, and the color that can visually identify is preferably following color:
The first color that can visually identify is golden；
- second color that can visually identify is silver color；
The third color that can visually identify is blue.
The Security element of (6. preferred embodiment) as described in any one of the 1st to the 5th, wherein described with more
First translucent functional layer of layer structure is constructed so that the first semi-transparent metal layer and dielectric layer are respectively provided with uniform thickness,
And the second semi-transparent metal layer has thickness identical with the first semi-transparent metal layer in the first region, and second is translucent
Metal layer has the thickness bigger than the first semi-transparent metal layer in the second area.
The Security element of (7. preferred embodiment) as described in the 6th, wherein the Security element
When observing the back side in incident light, it is rendered as gold；
When observing front in incident light, it is rendered as gold in the first region, and be rendered as silver in the second area
Color；
When observing front in transmitted light and observing the back side in transmitted light, it is rendered as blue.
The Security element of (8. preferred embodiment) as described in any one of the 1st to the 7th, wherein the anti-fake member
The transparent bearing basement of part also has the second translucent functional layer, the second translucent function other than the first translucent functional layer
Ergosphere can pass through printing technology acquisition using effect pigment ingredient, wherein when in incident light from the back side and when viewed from the front,
The second translucent functional layer is rendered as the first color that can visually identify, and when in transmitted light from the back side and from
When the observation of front, the second translucent functional layer is rendered as the third color that can visually identify.
The Security element of (9. preferred embodiment) as described in the 8th, wherein when in incident light from the back side and from front
When observation, the second translucent functional layer is rendered as gold, and when in transmitted light from the back side and when viewed from the front, it is described
Second translucent functional layer is rendered as blue.
The Security element of (10. preferred embodiment) as described in the 1st, wherein the gold of first semi-transparent metal layer
Belong to and the metal of second semi-transparent metal layer is different metal.
The Security element of (11. preferred embodiment) as described in the 10th, wherein the Security element has following sequence
Following layers structure:
Transparent carrier substrates；
- the first semi-transparent metal layer；
Dielectric layer；
- the second semi-transparent metal layer is at least partly deposited with the thickness bigger than the thickness of the first semi-transparent metal layer
?；
Or the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the second semi-transparent metal layer is at least partly deposited with the thickness bigger than the thickness of the first semi-transparent metal layer
?；
Dielectric layer；
- the first semi-transparent metal layer.
The thickness of second semi-transparent metal layer is preferably at least partly the 1.25 to 3 of the thickness of the first semi-transparent metal layer
Times, particularly preferably 1.5 to 2 times.
The Security element of (12. preferred embodiment) as described in the 10th or the 11st, wherein second semi-transparent metals
Layer limits the front of the translucent functional layer, and the first translucent functional layer limits the back of the translucent functional layer
Face, and the translucent functional layer
When observing the back side in incident light, the color that can visually identify with the first；
When observing front in incident light, there is second of color that can visually identify；
When observing front in transmitted light and observing the back side in transmitted light, there is the third can visually know
Other color；With
When observing the back side and/or observation front, there is the color impression depending on viewing angle in incident light.
The Security element of (13. preferred embodiment) as described in the 10th, the 11st or the 12nd, wherein selection is by aluminium or silver
A manufactured semi-transparent metal layer, and another semi-transparent metal layer is layers of chrome, and the dielectric layer is silicon dioxide layer,
Wherein the thickness of the aluminium or silver layer is at least partly 1.25 to 3 times of the thickness of the layers of chrome, particularly preferably 1.5 to 2
Times.
The Security element of (14. preferred embodiment) as described in the 13rd, wherein a semi-transparent metal layer is
Aluminium layer, and another described semi-transparent metal layer is layers of chrome, and the dielectric layer is silicon dioxide layer.
The Security element of (15. preferred embodiment) as described in any one of the 1st to the 14th, wherein described anti-fake
Element is (annular) item, (annular) line or patch or label.
The Security element of (16. preferred embodiment) as described in any one of the 1st to 15, wherein described transparent
There is embossing paint layer between carrier substrates and the translucent functional layer, the embossing paint layer especially has to form diffraction structure
Embossment structure and/or the embossment structure for forming arrangement of micro mirrors construction.
A kind of (17. the second aspect of the present invention) Security element with as described in any one of the 1st to the 16th
Data medium.
The data medium of (18. preferred embodiment) as described in the 17th, wherein the data medium is valuable document,
Such as banknote, especially paper banknote, polymer banknote or foil laminates banknote or identification card.
The data medium of (19. preferred embodiment) as described in the 17th or the 18th, wherein the Security element is arranged in
It is formed in the top of the window area in the data carrier substrates.
20. a kind of (the third aspect of the present invention) manufacturing method of the Security element for protecting valuable document safety, should
Security element includes transparent carrier substrates and the first translucent functional layer with multi-layer structure, and the multilayered structure has first
Semi-transparent metal layer, the second semi-transparent metal layer and it is arranged in first semi-transparent metal layer and second semi-transparent metals
Dielectric layer between layer, wherein second semi-transparent metal layer is at least partly with the layer than first semi-transparent metal layer
Thick bigger thickness exists, wherein the method includes the following steps:
A) transparent carrier substrates are provided；
B) embossing paint layer optionally is provided to the transparent carrier substrates, which especially has to form diffraction structure
Embossment structure and/or formed arrangement of micro mirrors construction embossment structure；
C) apply multilayered structure in whole region, which has the first semi-transparent metal layer, second translucent
Metal layer and the dielectric layer being arranged between the first and second semi-transparent metal layers；
D) soluble cleaning ink is at least partly imprinted in the second semi-transparent metal layer finally applied；
E) apply another semi-transparent metals in whole region；
F) ink will be cleaned together with the region generated above the cleaning ink of the semi-transparent metals applied in step e)
It washes off.The thickness of second semi-transparent metal layer is preferably at least partly 1.25 to 3 times of the thickness of the first semi-transparent metal layer,
Particularly preferably 1.5 to 2 times.
Valuable document described in this specification can be banknote, and (especially paper banknote, polymer banknote or thin slice are multiple
Close object banknote), stock, bond, contract, voucher, check, high value admission ticket etc., it is however also possible to be identification card, such as believe
With the personalized pages of card, bank card, card of paying in cash, authorization card, identity card or passport.
Intention according to the present invention, it is Security element to be irradiated from side, and see from the same side that observation is carried out in incident light
The object is examined, is preferably observed with about 90 ° of Security element viewing angles.Therefore, it is observed e.g. in incident light
Irradiate and observe the front of Security element.
The color impression depending on viewing angle in incident light refers to, when the viewing angle for pressing about 90 ° in incident light
It will lead to certain optically perceptible color when observing Security element, and by meeting when about 20 ° to 40 ° viewing angle observations
Lead to another optically perceptible color.
Intention according to the present invention, it is that Security element is irradiated from side that observation is carried out in transmitted light, and (outstanding from the other side
It is opposite side) observation Security element.Therefore, the back side and the observation for e.g. irradiating Security element are observed in transmitted light
The front of Security element.Therefore, light penetrates Security element.
Security element of the invention for example can be patch or label, (annular) band or (annular) line.
The data carrier substrates (that is, the described data carrier substrates for being furnished with Security element of the invention) of data medium are especially
It is paper substrates or paper-like substrate, polymeric substrates, paper/foil/paper compound substrate or foil/paper/foil compound substrate.In papery
In the case where substrate, paper/foil/paper compound substrate or foil/paper/foil compound substrate, such as using continuous recessed in paper layer
Portion forms the valuable document with window area or anti-counterfeiting paper.Alternatively, in some region, using liquid appropriate
(such as utilizing aqueous sulfuric acid) paper layer is made transparent.In the case where the valuable document based on substrate,
Such as the congruent recess portion in the opaque printing layer of the front and back application of polymeric substrates can be utilized to generate window region
Domain.
On the one hand, when observing in incident light, translucent functional layer has certain tone, on the other hand, in transmitted light
When observation, translucent functional layer has another tone.Both different tones are, for example, complementary colours.This translucent function
For example based on tool, there are two the multilayer knots of semi-transparent metal layer and the dielectric layer being arranged between the two semi-transparent metal layers for layer
Structure.For example, and being transmitted according to WO2011/082761A1 it is found that present golden when this multilayered structure is observed in incident light
Blue color is presented when observing in light.
Explanation is specifically related to a kind of version below, and two of them semi-transparent metal layer is based respectively on identical metal.
There are two the appropriate multilayers of semi-transparent metal layer and the dielectric layer being arranged between the two semi-transparent metal layers for tool
Structure is usually made of following material:
- two semi-transparent metal layers are preferably selected from aluminium or silver；Dielectric layer is silicon dioxide layer；
If each of two semi-transparent metal layers are all based on aluminium, corresponding preferably thickness is at 5 nanometers to 20 nanometers
In range, particularly preferably in 10 nanometers to 14 nanometer ranges；Medium silicon dioxide layer preferably has at 50 nanometers to 450 nanometers
Thickness in range, further preferably in 80 nanometers to 260 nanometer ranges, particularly preferably at 210 nanometers to 260 nanometer ranges
It is interior, wherein in order to realize golden/blue variation, specifically particularly preferably at 80 nanometers to 100 nanometers and 210 nanometers extremely
In 240 nanometer ranges；
If each of two semi-transparent metal layers are all based on silver, corresponding preferably thickness is received at 15 nanometers to 25
In rice range；Medium silicon dioxide layer preferably has the thickness in 50 nanometers to 450 nanometer ranges, further preferably receives 80
In rice to 260 nanometer ranges, particularly preferably in 210 nanometers to 260 nanometer ranges, wherein in order to realize that golden/blue becomes
Change, specifically particularly preferably in 80 nanometers to 100 nanometers and 210 nanometers to 240 nanometer ranges.
Above-mentioned multilayered structure, which can not only generate, to be rendered as golden and is in when observation in transmitted light when observing in incident light
Now it is the translucent functional layer of blue color, and further color can be generated according to the selection of thickness (especially dielectric layer)
Variation, for example,
Carmetta is presented in incident light, blue-green is presented in transmitted light；
Jewel green is presented in incident light, is presented in transmitted light orange-yellow；
Gold is presented in incident light, bluish violet is presented in transmitted light；
Silver color is presented in incident light, purple is presented in transmitted light.
Security element of the invention has the first translucent functional layer, which has multilayered structure,
The multilayered structure has the first semi-transparent metal layer, the second semi-transparent metal layer and is arranged in the first and second semi-transparent metals
Dielectric layer between layer, wherein the translucent functional layer is constructed so that the second semi-transparent metal layer at least partly than the
The bigger thickness of one semi-transparent metal layer exists.The thickness of second semi-transparent metal layer is preferably the layer of the first semi-transparent metal layer
Thick 1.5 to 2 times.In this way, it can be ensured that: when observing front in incident light, in the second semi-transparent metal layer
With position existing for the thickness bigger than the first semi-transparent metal layer, observer can perceive second immediately and can visually identify
Color, and the first color that can visually identify can be perceived in other positions.
According to a kind of preferred variation, Security element of the invention is constructed so that transparent bearing basement in addition to the first half
Also there is the second translucent functional layer, which can be passed through using effect pigment ingredient except transparent functional layer
Printing technology obtains, wherein when from the back side and when viewed from the front, the second translucent functional layer is rendered as in incident light
The first color that can visually identify, and when from the back side and when viewed from the front, described second is translucent in transmitted light
Functional layer is rendered as the third color that can visually identify.Based on effect pigment ingredient, printing layer is observed in incident light
When different color when showing and being observed in transmitted light, especially golden/blue variation, gold/purple variation, green gold
Color/magenta color change, purple/green variation or silver color/opaque color change, such as the institute in 2011/064162 A2 of WO
It states.The pigment preferably has the end-to-end size of longest (" longest size dimension ") in 15 nanometers to 1000 nanometer ranges, and
And based on the transition selected from the group being made of copper, silver, gold, zinc, cadmium, titanium, chromium, manganese, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium and platinum
Metal.The transition metal is preferably silver.Aspect ratio (that is, ratio of the end-to-end size of longest and thickness) is more preferably at least 1.5, especially
It is in 1.5 to 300 ranges.The ratio of adhesive and metallic pigments is preferably shorter than 10:1, especially preferably less than 5:1.According to
The selection of pigment aspect ratio, the setting of the end-to-end size of its longest and pigment/binder ratio, are adjusted and see in transmitted light
Color when observing when examining printing layer and in reflected light (such as is blue in transmitted light, and in reflected light is silver color, gold
Color, bronze colour, brass or purple；Furthermore it is purple, magenta, pink, green or brown in transmitted light, and is reflecting
It is other colors in light, this depends on the selection of pigment/binder ratio).Such as the example of the table 1 in WO2011/064162 A2
1, gold (in other words, incident light observation and viewed in transmitted light between) is illustrated between reflection and transmission in example 2 and example 3
Color/blue changes color.In addition, example 4 shows gold/purple variation color, example 5 shows green gold/magenta variation color, example
7 show purple/green variation color, and example 8 shows silver color/opaque variation color.
According to a kind of advantageous version (A), Security element of the invention has following sequence:
A) transparent carrier substrates, such as polyethylene terephthalate (PET) thin slice；
B) paint layer (if being applicable in) is embossed, which especially has to form the embossment structure of diffraction structure and/or formation
The embossment structure of arrangement of micro mirrors construction；
C) the first semi-transparent metal layer, such as aluminium；
D) dielectric layer, such as silica；
E) the second semi-transparent metal layer, such as aluminium are at least partly bigger with the thickness than the first semi-transparent metal layer
Thickness exist；
F) adhesive phase (if being applicable in), being for example adapted for will be on Security element and data carrier binder to such as valuable document
Heat seal coating.
According to another advantageous version (B), Security element of the invention has following sequence:
A) transparent carrier substrates, such as polyethylene terephthalate (PET) thin slice；
B paint layer (if being applicable in)) is embossed, which especially has to form the embossment structure of diffraction structure and/or formation
The embossment structure of arrangement of micro mirrors construction；
C1) the first translucent functional layer and C2) arranged side by side the second translucent functional layer, that is, the first translucent functional layer
With the second translucent functional layer especially can adjacent to each other or compartment of terrain arrangement, and
- the first translucent functional layer has with lower layer:
C1a) the first semi-transparent metal layer, such as aluminium；
C1b) dielectric layer, such as silica；
C1c) the second semi-transparent metal layer, such as aluminium are deposited with the thickness bigger than the thickness of the first semi-transparent metal layer
?；And
- the second translucent functional layer C2) it is logical using the said effect pigment composition disclosed in WO2011/064162A2
Cross printing technology acquisition.
D) adhesive phase (if being applicable in), being for example adapted for will be on Security element and data carrier binder to such as valuable document
Heat seal coating.
Alternatively, the first translucent functional layer described in above-mentioned version can be silver/silicon dioxide/silver knot
Structure, rather than aluminium/silica/constructed of aluminium.
In addition, the sequence of layer can change.For example, thicker semi-transparent metal layer can be arranged in carrier substrates first
On, it then arranges dielectric layer, finally arranges another relatively thin metal layer.
Explanation is specifically related to a kind of version below, and two of them semi-transparent metal layer is based on different metals.
There are two the appropriate multilayers of semi-transparent metal layer and the dielectric layer being arranged between the two semi-transparent metal layers for tool
Structure is usually made of following material:
- one semi-transparent metal layer has biggish thickness relative to another semi-transparent metal layer, preferably selects aluminium
Or silver, particularly preferably aluminium layer；Dielectric layer is particularly preferably silicon dioxide layer；
Another semi-transparent metal layer, preferably layers of chrome；
If a semi-transparent metal layer is based on aluminium, preferred thickness is in 5 nanometers to 15 nanometer ranges；It is situated between
Matter silicon dioxide layer preferably has the thickness in 50 nanometers to 700 nanometer ranges；Layers of chrome preferably have 3 nanometers to 7 nanometer ranges
Interior thickness particularly preferably has about 5 nanometers of thickness.
Since two semi-transparent metal layers are based on different metals (preferably aluminium and chromium), on the one hand, incident light (i.e.
90 °) in observation front when, layer structure has certain color, on the other hand, in the incident light (i.e. 90 °) when the observation back side, layer knot
Structure has a kind of different color.In addition, layer structure has another color when observing in transmitted light.In addition, in incidence
When observing front and/or the back side in light, layer structure shows color impression relevant to viewing angle.
For example, the three-layered node being made of aluminium (about 12 nanometers)/silica (about 220 nanometers)/chromium (about 5 nanometers)
Structure will lead to following color impression:
In incident light, when viewing angle is about 90 °, the 1st face: blue；
In incident light, when viewing angle is about 20 ° to 40 °, the 1st face: bronzing；
In incident light, the 2nd face: golden (unrelated with viewing angle)；
When being observed in transmitted light, the 1st face and the 2nd face: purple.
By the thickness of change dielectric layer, color impression can be changed in a simple manner, such as:
In incident light, when viewing angle is about 90 °, the 1st face: green；
In incident light, when viewing angle is about 20 ° to 40 °, the 1st face: bluish violet；
In incident light, when viewing angle is 90 °, the 2nd face: magenta；
In incident light, when viewing angle is about 20 ° to 40 °, the 2nd face: golden；
When being observed in transmitted light, the 1st face and the 2nd face: green.
According to a kind of advantageous version, above-mentioned Security element has following sequence:
A) transparent carrier substrates, such as polyethylene terephthalate (PET) thin slice；
B) paint layer (if being applicable in) is embossed, which especially has to form the embossment structure of diffraction structure and/or formation
The embossment structure of arrangement of micro mirrors construction；
C) semi-transparent metal layer, such as aluminium or silver, preferably aluminium have larger relative to another semi-transparent metal layer
Thickness；
D) dielectric layer, such as silica；
F) adhesive phase (if being applicable in), being for example adapted for will be on Security element and data carrier binder to such as valuable document
Heat seal coating.
As a kind of alternative form of above-mentioned layer structure, sequence is also possible to a, b, e, d, c, f, i.e., aluminium layer (or silver layer) and
Layers of chrome exists in the form exchanged.
Detailed description of the invention
Illustrate more illustrative embodiments and advantage of the invention below with reference to accompanying drawings, it is attached in order to improve clarity
What figure was not drawn to scale.
In the accompanying drawings:
Fig. 1 shows a kind of Security element of the invention；
Fig. 2 shows another Security elements of the invention；
Fig. 3 shows another Security element of the invention.
Specific embodiment
Fig. 1 shows a kind of valuable document (i.e. banknote), with window area and is applied to having in window area
Security element of the invention in value document substrate.The window area of valuable document is formed by recess portion 2, which is, for example, to pass through
The punching press in paper layer 1 and generate.The Security element has with lower layer:
A) carrier substrates 7, such as polyethylene terephthalate (PET) thin slice；
B) the aluminum metal layer 6 with smaller layers thick (such as 5 to 15 nanometers)；
C) with the silicon dioxide layer 5 of such as 210 to 240 nanometers thickness；
D) with the aluminum metal layer 4 of larger thickness (such as 15 to 30 nanometers)；
E) adhesive phase 3, such as heat seal coating.
Aluminum metal layer 4 with larger thickness represents the front of the translucent functional layer including layer 4,5 and 6.Have
The aluminum metal layer 6 of smaller layers thickness represents the back side of the translucent functional layer including layer 4,5 and 6.
Square arrow 8 indicates the front of observation Security element.When observing the front of Security element in incident light, observation
Person can feel that Security element is silver color.
Square arrow 9 indicates the back side of observation Security element.When observing the back side of Security element in incident light, observation
Person can feel Security element for gold.
When in transmitted light from front and back, Security element is rendered as blue.
Security element shown in Fig. 1 including layer 3 to 7 can also have between aluminum metal layer 6 and carrier substrates 7
It embosses paint layer (such as ultraviolet solidified paint), which especially includes the embossment structure and/or formation micro mirror to form diffraction structure
The embossment structure of array structure.
Fig. 2 shows the Security elements of another illustrative embodiments of the invention.The Security element has with lower layer:
A) carrier substrates 10, such as polyethylene terephthalate (PET) thin slice；
B) with the aluminum metal layer 11 of such as 5 to 15 nanometers thickness；
C) with the silicon dioxide layer 12 of such as 210 to 240 nanometers thickness；
D) with the aluminum metal layer 13 of thickness identical with aluminum metal layer 11；
E) with another aluminum metal layer 14 of such as 5 to 15 nanometers thickness；
It includes layer 11,12,13 that the aluminum metal layer 13 and 14 that the metalization layer with larger thickness is collectively formed, which represents,
With the front of 14 translucent functional layer.Aluminum metal layer 11 represents the translucent functional layer including layer 11,12,13 and 14
The back side.
Square arrow 15 and 16 indicates the front of observation Security element.When the front for observing Security element in incident light
When, in the position of square arrow 15, observer can feel that Security element is silver color.In addition, when observing anti-fake member in incident light
When the front of part, in the position of square arrow 16, observer can feel Security element for gold.
Square arrow 17 and 18 indicates the back side of observation Security element.When the back side for observing Security element in incident light
When, in the position of square arrow 17 and the position of square arrow 18, observer can feel Security element for gold.
When in transmitted light from front and back, Security element be rendered as blue (i.e. block arrow 15,16,
17 and 18 all positions).
In the top of aluminum metal layer 13 and 14, Security element can have for by Security element and value document substrate
In conjunction with adhesive phase, especially heat seal coating.
In addition, the Security element shown in Fig. 2 including layer 10 to 14 can also be in aluminum metal layer 11 and carrier substrates
Between 10 have embossing paint layer (such as ultraviolet solidified paint), the paint layer especially include to be formed diffraction structure embossment structure and/
Or form the embossment structure of arrangement of micro mirrors construction.
Fig. 3 shows the Security element of another illustrative embodiments of the invention, with following sequence:
A) transparent carrier substrates 19, such as polyethylene terephthalate (PET) thin slice；
B1) include layer 20,21 and 22 the first translucent functional layer and B2) include layer 23 arranged side by side second it is semi-transparent
Bright functional layer (i.e. adjacent to each other in this case), wherein
- the first translucent functional layer has with lower layer:
B1a) with the relatively thin aluminum metal layer 20 of such as 5 to 15 nanometers thickness；
B1b) with the silicon dioxide layer 21 of such as 210 to 240 nanometers thickness；
B1c) with the thicker aluminum metal layer 22 of such as 15 to 30 nanometers thickness；And
- the second translucent functional layer B2) using the said effect pigment composition disclosed in WO2011/064162 A2
It is obtained by printing technology, and is rendered as gold in incident light, be rendered as in transmitted light light blue.
Aluminum metal layer 22 represents the front of Security element.Aluminum metal layer 20 represents the back side of Security element.
Square arrow 24 and 25 indicates the front of observation Security element.When the front for observing Security element in incident light
When, in the position of square arrow 24, observer can feel that Security element is silver color.In addition, when observing anti-fake member in incident light
When the front of part, in the position of square arrow 25, observer can feel Security element for gold.
Square arrow 26 and 27 indicates the back side of observation Security element.When the back side for observing Security element in incident light
When, in the position of square arrow 26 and the position of square arrow 27, observer can feel Security element for gold.
In the top of aluminum metal layer 22 and effect pigment layer 23, Security element can have for by Security element with have
The adhesive phase that value document substrate combines, especially heat seal coating.
In addition, Security element shown in Fig. 3 can also be in aluminum metal layer 20 and/or effect pigment layer 23 and carrier base
There is embossing paint layer (such as ultraviolet solidified paint), which especially includes the embossment structure to form diffraction structure between plate 19
And/or form the embossment structure of arrangement of micro mirrors construction.
In the above-described embodiment, aluminium is selected to manufacture semi-transparent metal layer.However, it is possible to use silver-colored rather than aluminium.
Claims (27)
1. it is a kind of for protecting the Security element of valuable document safety, including transparent carrier substrates and the first translucent functional layer,
There are different tones when it is characterized in that, observing when the first translucent functional layer is observed in incident light and in transmitted light, and
And first translucent functional layer have multilayered structure, the multilayered structure have the first semi-transparent metal layer, the second translucent gold
The dielectric layer for belonging to layer and being arranged between first semi-transparent metal layer and second semi-transparent metal layer, wherein described
Second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of first semi-transparent metal layer.
2. Security element as described in claim 1, wherein first semi-transparent metal layer and the second translucent gold
Belong to layer and is based on identical metal.
3. Security element as claimed in claim 1 or 2, wherein the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the first semi-transparent metal layer；
Dielectric layer；
- the second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of the first semi-transparent metal layer；
Or the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of the first semi-transparent metal layer；
Dielectric layer；
- the first semi-transparent metal layer.
4. Security element as claimed in claim 3, wherein the thickness of the second semi-transparent metal layer is at least partly the first half
1.25 to 3 times of the thickness of transparent metal layer.
5. Security element as claimed in claim 4, wherein the thickness of the second semi-transparent metal layer is at least partly the first half
1.5 to 2 times of the thickness of transparent metal layer.
6. Security element as claimed in claim 1 or 2, wherein it is semi-transparent that second semi-transparent metal layer limits described first
The front of bright functional layer, and first semi-transparent metal layer limits the back side of the described first translucent functional layer, and described
The color that first translucent functional layer-can be identified visually when observing the back side in incident light, with the first；
When observing front in incident light, in the second semi-transparent metal layer with the thickness bigger than the first semi-transparent metal layer
Existing position has second of color that can visually identify, and in other positions there is the first can visually identify
Color；
When observing front in transmitted light and observing the back side in transmitted light, can visually be identified with the third
Color.
7. Security element as claimed in claim 6, wherein described two semi-transparent metal layers are selected from aluminium or silver, and described
Dielectric layer is silicon dioxide layer, and the color that can visually identify is following color:
The first color that can visually identify is golden；
- second color that can visually identify is silver color；
The third color that can visually identify is blue.
8. Security element as claimed in claim 1 or 2, wherein the first translucent functional layer structure with multi-layer structure
It makes to make the first semi-transparent metal layer and dielectric layer be respectively provided with uniform thickness, and the second semi-transparent metal layer is first
There is thickness identical with the first semi-transparent metal layer in region, and the second semi-transparent metal layer has in the second area than the
The bigger thickness of one semi-transparent metal layer.
9. Security element as claimed in claim 8, wherein the Security element-when observing the back side in incident light, is presented
For gold；
When observing front in incident light, it is rendered as gold in the first region, and be rendered as silver color in the second area；
When observing front in transmitted light and observing the back side in transmitted light, it is rendered as blue.
10. Security element as claimed in claim 1 or 2, wherein the transparent bearing basement of the Security element is in addition to the first half
Also there is the second translucent functional layer, which can be passed through using effect pigment ingredient except transparent functional layer
Printing technology obtains, wherein when from the back side and when viewed from the front, the second translucent functional layer is rendered as in incident light
The first color that can visually identify, and when from the back side and when viewed from the front, described second is translucent in transmitted light
Functional layer is rendered as the third color that can visually identify.
11. Security element as claimed in claim 10, wherein when in incident light from the back side and when viewed from the front, it is described
Second translucent functional layer is rendered as gold, and when from the back side and when viewed from the front, described second is translucent in transmitted light
Functional layer is rendered as blue.
12. Security element as described in claim 1, wherein the metal of first semi-transparent metal layer and described second
The metal of semi-transparent metal layer is different metal.
13. Security element as claimed in claim 12, wherein the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the first semi-transparent metal layer；
Dielectric layer；
- the second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of the first semi-transparent metal layer；
Or the Security element has the following layers structure of following sequence:
Transparent carrier substrates；
- the second semi-transparent metal layer at least partly exists with the thickness bigger than the thickness of the first semi-transparent metal layer；
Dielectric layer；
- the first semi-transparent metal layer.
14. Security element as described in claim 12 or 13, wherein second semi-transparent metal layer limits described the first half
The front of transparent functional layer, and first semi-transparent metal layer limits the back side of the described first translucent functional layer, and institute
The first translucent functional layer-is stated when observing the back side in incident light, the color that can visually identify with the first；
When observing front in incident light, there is second of color that can visually identify；
When observing front in transmitted light and observing the back side in transmitted light, can visually be identified with the third
Color；With
When observing the back side and/or observation front, there is the color impression depending on viewing angle in incident light.
15. Security element as described in claim 12 or 13, wherein select be made from aluminum or silver semi-transparent metals
Layer, and another semi-transparent metal layer is layers of chrome, and the dielectric layer is silicon dioxide layer, wherein the layer of the aluminium or silver layer
Thickness is at least partly 1.25 to 3 times of the thickness of the layers of chrome.
16. Security element as claimed in claim 15, wherein the thickness of the aluminium or silver layer is at least partly the layers of chrome
1.5 to 2 times of thickness.
17. Security element as claimed in claim 15, wherein a semi-transparent metal layer is aluminium layer, and described
Another semi-transparent metal layer is layers of chrome, and the dielectric layer is silicon dioxide layer.
18. Security element as claimed in claim 1 or 2, wherein the Security element is annular bar, toroid or patch
Or label.
19. Security element as claimed in claim 1 or 2, wherein in the transparent carrier substrates and the translucent functional layer
Between exist embossing paint layer.
20. Security element as claimed in claim 19, wherein the embossing paint layer has the embossment structure for forming diffraction structure
And/or form the embossment structure of arrangement of micro mirrors construction.
21. a kind of data medium with the Security element as described in any one of claim 1 to 20.
22. data medium as claimed in claim 21, wherein the data medium is valuable document.
23. data medium as claimed in claim 22, wherein the data medium is banknote or identification card.
24. data medium as claimed in claim 23, wherein the banknote includes paper banknote, polymer banknote or thin slice
Compound banknote.
25. data medium as claimed in claim 21, wherein the Security element, which is arranged in, is formed in the data medium base
The top of window area in bottom.
26. a kind of manufacturing method of the Security element for protecting valuable document safety, which includes transparent carrier base
Bottom and the first translucent functional layer with multi-layer structure, the multilayered structure have the first semi-transparent metal layer, second semi-transparent
Bright metal layer and the dielectric layer being arranged between first semi-transparent metal layer and second semi-transparent metal layer, wherein institute
It states the second semi-transparent metal layer and at least partly exists with the thickness bigger than the thickness of first semi-transparent metal layer,
In, the method includes the following steps:
A) transparent carrier substrates are provided；
B) embossing paint layer optionally is provided to the transparent carrier substrates；
C) apply multilayered structure in whole region, which has the first semi-transparent metal layer, the second semi-transparent metals
Layer and the dielectric layer being arranged between the first and second semi-transparent metal layers；
D) soluble cleaning ink is at least partly imprinted in the second semi-transparent metal layer finally applied；
E) apply another semi-transparent metals in whole region；
F) ink will be cleaned to wash off together with the region generated above the cleaning ink of the semi-transparent metals applied in step e).
27. manufacturing method as claimed in claim 26, wherein the embossing paint layer has the embossment structure for forming diffraction structure
And/or form the embossment structure of arrangement of micro mirrors construction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015014505.3 | 2015-11-10 | ||
| DE102015014505.3A DE102015014505A1 (en) | 2015-11-10 | 2015-11-10 | Security element, method for producing the same and equipped with the security element disk |
| PCT/EP2016/001843 WO2017080641A1 (en) | 2015-11-10 | 2016-11-08 | Security element, method for producing same, and data carrier equipped with the security element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108349290A CN108349290A (en) | 2018-07-31 |
| CN108349290B true CN108349290B (en) | 2019-10-25 |
Family
ID=57345853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680061934.3A Active CN108349290B (en) | 2015-11-10 | 2016-11-08 | Security element, its manufacturing method and the data medium equipped with the Security element |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3374197B1 (en) |
| CN (1) | CN108349290B (en) |
| AU (1) | AU2016352335B2 (en) |
| DE (1) | DE102015014505A1 (en) |
| MX (1) | MX2018005812A (en) |
| WO (1) | WO2017080641A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2021004736A (en) | 2018-10-25 | 2021-06-04 | Basf Se | Compositions, comprising silver nanoplatelets. |
| AU2020210698A1 (en) | 2019-01-21 | 2021-07-15 | Basf Se | Security element |
| EP3917703A1 (en) * | 2019-01-29 | 2021-12-08 | Basf Se | Security element |
| US20220220284A1 (en) | 2019-05-06 | 2022-07-14 | Basf Se | Compositions, comprising silver nanoplatelets |
| CN114126888A (en) * | 2019-07-15 | 2022-03-01 | 日本烟草国际股份有限公司 | High gloss silver watermark |
| DE102019005551A1 (en) * | 2019-08-07 | 2021-02-11 | Giesecke+Devrient Currency Technology Gmbh | Manufacturing process for a security paper and thus obtainable security paper |
| DE102019006977A1 (en) * | 2019-10-08 | 2021-04-08 | Giesecke+Devrient Currency Technology Gmbh | Security element transfer material, method of making the same and use |
| CN110767075B (en) * | 2019-12-05 | 2022-04-08 | 南方科技大学 | Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof |
| CN115279518A (en) | 2020-04-23 | 2022-11-01 | 巴斯夫欧洲公司 | Composition comprising flaky transition metal particles |
| EP4288229A1 (en) | 2021-02-03 | 2023-12-13 | Basf Se | Compositions, comprising silver nanoplatelets |
| CN115230277A (en) * | 2021-04-25 | 2022-10-25 | 中钞特种防伪科技有限公司 | Film element, transparent security element and data carrier |
| MX2023013396A (en) | 2021-05-12 | 2023-11-27 | Basf Se | Compositions, comprising platelet-shaped transition metal particles. |
| EP4423176A1 (en) | 2021-10-26 | 2024-09-04 | Basf Se | A method for producing interference elements |
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| CN1628039A (en) * | 2002-02-22 | 2005-06-15 | 德国捷德有限公司 | Security document and security element for a security document |
| CN102083632A (en) * | 2008-07-02 | 2011-06-01 | 德国捷德有限公司 | Security element and method for the production thereof |
| CN102639651A (en) * | 2009-11-27 | 2012-08-15 | 巴斯夫欧洲公司 | Coating compositions for security elements and holograms |
| CN102652064A (en) * | 2009-12-14 | 2012-08-29 | 德国捷德有限公司 | Gold-coloured thin-layer element having multilayered structure |
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| US7161738B2 (en) * | 2003-08-07 | 2007-01-09 | Agra Vadeko Inc. | Secure document of value and method of manufacturing same |
-
2015
- 2015-11-10 DE DE102015014505.3A patent/DE102015014505A1/en not_active Withdrawn
-
2016
- 2016-11-08 AU AU2016352335A patent/AU2016352335B2/en active Active
- 2016-11-08 CN CN201680061934.3A patent/CN108349290B/en active Active
- 2016-11-08 EP EP16797741.2A patent/EP3374197B1/en active Active
- 2016-11-08 MX MX2018005812A patent/MX2018005812A/en unknown
- 2016-11-08 WO PCT/EP2016/001843 patent/WO2017080641A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1628039A (en) * | 2002-02-22 | 2005-06-15 | 德国捷德有限公司 | Security document and security element for a security document |
| CN102083632A (en) * | 2008-07-02 | 2011-06-01 | 德国捷德有限公司 | Security element and method for the production thereof |
| CN102639651A (en) * | 2009-11-27 | 2012-08-15 | 巴斯夫欧洲公司 | Coating compositions for security elements and holograms |
| CN102652064A (en) * | 2009-12-14 | 2012-08-29 | 德国捷德有限公司 | Gold-coloured thin-layer element having multilayered structure |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016352335A1 (en) | 2018-05-31 |
| DE102015014505A1 (en) | 2017-05-11 |
| AU2016352335B2 (en) | 2019-09-19 |
| CN108349290A (en) | 2018-07-31 |
| WO2017080641A1 (en) | 2017-05-18 |
| MX2018005812A (en) | 2018-08-01 |
| EP3374197A1 (en) | 2018-09-19 |
| EP3374197B1 (en) | 2022-04-20 |
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