CN108349290A - 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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- CN108349290A CN108349290A CN201680061934.3A CN201680061934A CN108349290A CN 108349290 A CN108349290 A CN 108349290A CN 201680061934 A CN201680061934 A CN 201680061934A CN 108349290 A CN108349290 A CN 108349290A
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- metal layer
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- transparent metal
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The present invention relates to a kind of Security elements for protecting 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 exists with the thickness of the thickness bigger than first semi-transparent metal layer at least partly.
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 technology
Such as valuable document or identification file etc. other valuable objects such as data mediums such as brand article usually band
It is useful for the Security element of 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, and gold is rendered as when being observed in incident light,
And it is rendered as blue when being observed 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 elements 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.The improvement of the present invention is appurtenance
It is required that theme.
Invention content
A kind of (1. the first aspect of the present invention) Security element for protecting 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 exists with the thickness of the thickness bigger than first semi-transparent metal layer at least partly.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 deposited with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly
；
Or the Security element has the following layers structure of following sequence：
Transparent carrier substrates；
- the second semi-transparent metal layer is deposited with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly
；
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 body of the translucent functional layer
Face, and the translucent functional layer
When observing the back side in incident light, there is the first color that can visually identify；
When observing front in incident light, in the second semi-transparent metal layer with than the first semi-transparent metal layer bigger
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 than the first semi-transparent metal layer bigger 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 work(other than the first translucent functional layer
Ergosphere can be obtained using effect pigment ingredient by printing technology, 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 deposited with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly
；
Or the Security element has the following layers structure of following sequence：
Transparent carrier substrates；
- the second semi-transparent metal layer is deposited with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly
；
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 body of the translucent functional layer
Face, and the translucent functional layer
When observing the back side in incident light, there is the first color that can visually identify；
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,
The thickness of the wherein described aluminium or silver layer is 1.25 to 3 times of the thickness of the layers of chrome at least partly, 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 enamelled coating between carrier substrates and the translucent functional layer, the embossing enamelled coating, which especially has, forms 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 having 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 manufacturing method of (the third aspect of the present invention) 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
The thickness of thick bigger exists, wherein the method includes the following steps：
A) transparent carrier substrates are provided；
B) embossing enamelled coating optionally is provided to the transparent carrier substrates, which, which especially has, forms 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 imprinted in the second semi-transparent metal layer finally applied at least partly；
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 that (especially paper banknote, polymer banknote or thin slice are multiple for banknote
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 to irradiate Security element 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 can 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 to irradiate Security element 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 e.g. back side of irradiation Security element and observation are observed in transmitted light
The front of Security element.Therefore, light penetrates Security element.
The Security element of the present invention for example can be patch or label, (annular) band or (annular) line.
The data carrier substrates (that is, described data carrier substrates of the Security element equipped with the present 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 of 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 cheque paper.Alternatively, in some region, using liquid appropriate
(such as utilizing aqueous sulfuric acid) paper layer is made transparent.In the case of the valuable document based on substrate,
Such as window region can be generated using the congruent recess portion in the opaque printing layer that the front and back of polymeric substrates applies
Domain.
On the one hand, when being observed 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 being observed in light.
Explanation is specifically related to a kind of version below, and two of which 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 being each based on aluminium in two semi-transparent metal layers, 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 being each based on silver in two semi-transparent metal layers, 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, is further preferably received 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 is rendered as golden and is in when observation in transmitted light when can not only generate the observation in incident light
It is now 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.
There is the Security element of the present invention the first translucent functional layer, the first translucent functional layer to have 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 with than the
The thickness of one semi-transparent metal layer bigger 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 than the first semi-transparent metal layer bigger, observer can perceive second and can visually identify immediately
Color, and can perceive the first color that can visually identify 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, the second translucent functional layer 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 are seen in transmitted light
Color when observing when examining printing layer and in reflected light (such as in transmitted light is blue, and is silver color in reflected light, gold
Color, bronze colour, brass or purple；In addition 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 that gold/purple variation color, example 5 show green gold/magenta variation color, example
7 show that purple/green variation color, example 8 show 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) enamelled coating (if being applicable in) is embossed, which especially has embossment structure and/or the formation for forming diffraction structure
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, at least partly with the thickness bigger 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 enamelled coating (if being applicable in)) is embossed, which especially has embossment structure and/or the formation for forming diffraction structure
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 of the thickness bigger than 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, can thicker semi-transparent metal layer 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 which 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 larger 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 is preferably with the thickness in 50 nanometers to 700 nanometer ranges；Layers of chrome is preferably with 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 metal (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, when observing the back side in the incident light (i.e. 90 °), layer knot
Structure has a kind of different color.In addition, when being observed in transmitted light, layer structure has another color.In addition, in incidence
When observing front and/or the back side in light, layer structure is shown and the relevant color impression of viewing angle.
For example, the three-layered node being made of aluminium (about 12 nanometers)/silica (about 220 nanometers)/chromium (about 5 nanometers)
Structure can 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：It is 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) enamelled coating (if being applicable in) is embossed, which especially has embossment structure and/or the formation for forming diffraction structure
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 can also be a, b, e, d, c, f, i.e., aluminium layer (or silver layer) and
Layers of chrome exists in the form of exchanging.
Description of the drawings
Illustrate the more illustrative embodiments and advantage of the present 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 present invention；
Fig. 2 shows another Security elements of the present invention；
Fig. 3 shows another Security element of the present invention.
Specific implementation mode
Fig. 1 shows a kind of valuable document (i.e. banknote), with window area and is applied to having in window area
The Security element of the present 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) silicon dioxide layer 5 with such as 210 to 240 nanometers thickness；
D) the aluminum metal layer 4 with 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 for the translucent functional layer for including layer 4,5 and 6.Have
The aluminum metal layer 6 of smaller layers thickness represents the back side for the translucent functional layer for 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 that Security element is gold.
When in transmitted light from front and back, Security element is rendered as blue.
Security element including layer 3 to 7 shown in Fig. 1 can also have between aluminum metal layer 6 and carrier substrates 7
Enamelled coating (such as ultraviolet solidified paint) is embossed, which especially includes the embossment structure and/or formation micro mirror for forming diffraction structure
The embossment structure of array structure.
Fig. 2 shows the Security elements of another illustrative embodiments of the present invention.The Security element has with lower layer：
A) carrier substrates 10, such as polyethylene terephthalate (PET) thin slice；
B) the aluminum metal layer 11 with such as 5 to 15 nanometers thickness；
C) silicon dioxide layer 12 with such as 210 to 240 nanometers thickness；
D) the aluminum metal layer 13 with thickness identical with aluminum metal layer 11；
E) another aluminum metal layer 14 with such as 5 to 15 nanometers thickness；
The representative of aluminum metal layer 13 and 14 that the metal layer with larger thickness is collectively formed includes layer 11,12,13
With the front of 14 translucent functional layer.The representative of aluminum metal layer 11 includes the translucent functional layer of 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 that Security element is 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, the position in the position of square arrow 17 and square arrow 18, observer can feel that Security element is 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 enamelled coating (such as ultraviolet solidified paint), the enamelled coating especially include 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 present 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) the relatively thin aluminum metal layer 20 with such as 5 to 15 nanometers thickness；
B1b) the silicon dioxide layer 21 with such as 210 to 240 nanometers thickness；
B1c) the thicker aluminum metal layer 22 with 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 that Security element is 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, the position in the position of square arrow 26 and square arrow 27, observer can feel that Security element is 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
It especially includes the embossment structure for forming diffraction structure to have embossing enamelled coating (such as ultraviolet solidified paint), the enamelled coating 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 (20)
1. a kind of Security element for protecting valuable document safety, including transparent carrier substrates and with multi-layer structure first
Translucent functional layer, the multilayered structure have the first semi-transparent metal layer, the second semi-transparent metal layer and are arranged in described the
Dielectric layer between one semi-transparent metal layer and second semi-transparent metal layer, wherein second semi-transparent metal layer is extremely
Partially exist with the thickness of the thickness bigger than 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 exists with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly；
Or the Security element has the following layers structure of following sequence：
Transparent carrier substrates；
- the second semi-transparent metal layer exists with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly；
Dielectric layer；
- the first semi-transparent metal layer.
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.
4. the Security element as described in claim the 1,2 or 3, wherein second semi-transparent metal layer limits described semi-transparent
The front of bright functional layer, and the first translucent functional layer limits the back side of the translucent functional layer, and it is described semi-transparent
Bright functional layer
When observing the back side in incident light, there is the first color that can visually identify；
When observing front in incident light, in the second semi-transparent metal layer with the thickness than the first semi-transparent metal layer bigger
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.
5. Security element as claimed in claim 4, 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 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.
6. the Security element as described in any one of claim 1 to 5, wherein described with multi-layer structure first is semi-transparent
Bright functional layer is constructed so that the first semi-transparent metal layer and dielectric layer are respectively provided with uniform thickness, and the second translucent gold
Belong to layer has thickness identical with the first semi-transparent metal layer in the first region, and the second semi-transparent metal layer is in second area
In have than the first semi-transparent metal layer bigger thickness.
7. Security element as claimed in claim 6, 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 color in the second area；
When observing front in transmitted light and observing the back side in transmitted light, it is rendered as blue.
8. the Security element as described in any one of claim 1 to 7, wherein the transparent bearing basement of the Security element
Also there is the second translucent functional layer, the second translucent functional layer can utilize effect face other than the first translucent functional layer
Material ingredient is obtained by printing technology, wherein when in incident light from the back side and when viewed from the front, the second translucent work(
Ergosphere is rendered as the first color that can visually identify, 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 the third color that can visually identify.
9. Security element as claimed in claim 8, wherein when in incident light from the back side and when viewed from the front, described
Two translucent functional layers are rendered as gold, and when in transmitted light from the back side and when viewed from the front, the second translucent work(
Ergosphere is rendered as blue.
10. 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.
11. Security element as claimed in claim 10, 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 exists with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly；
Or the Security element has the following layers structure of following sequence：
Transparent carrier substrates；
- the second semi-transparent metal layer exists with the thickness of the thickness bigger than the first semi-transparent metal layer at least partly；
Dielectric layer；
- the first semi-transparent metal layer.
12. the Security element as described in claim the 10 or 11, wherein second semi-transparent metal layer limits described semi-transparent
The front of bright functional layer, and the first translucent functional layer limits the back side of the translucent functional layer, and it is described semi-transparent
Bright functional layer
When observing the back side in incident light, there is the first color that can visually identify；
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.
13. the Security element as described in claim 10,11 or 12, wherein select be made from aluminum or silver translucent gold
Belong to layer, and another semi-transparent metal layer is layers of chrome, and the dielectric layer is silicon dioxide layer, wherein the aluminium or silver layer
Thickness is 1.25 to 3 times of the thickness of the layers of chrome, particularly preferably 1.5 to 2 times at least partly.
14. Security element as claimed in claim 13, 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.
15. the Security element as described in any one of claim 1 to 14, wherein the Security element be (annular) item,
(annular) line or patch or label.
16. the Security element as described in any one of claim 1 to 15, wherein in transparent carrier substrates and described
Between translucent functional layer exist embossing enamelled coating, it is described embossing enamelled coating especially have formed diffraction structure embossment structure and/or
Form the embossment structure of arrangement of micro mirrors construction.
17. a kind of data medium with the Security element as described in any one of claim 1 to 16.
18. data medium as claimed in claim 17, wherein the data medium is valuable document, such as banknote, especially
Paper banknote, polymer banknote or foil laminates banknote or identification card.
19. the data medium as described in claim 17 or 18, wherein the Security element, which is arranged in, is formed in the data load
The top of window area in body substrate.
20. a kind of manufacturing method of 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 exists at least partly with the thickness of the thickness bigger than first semi-transparent metal layer,
In, the method includes the following steps：
A) transparent carrier substrates are provided；
B) embossing enamelled coating optionally is provided to the transparent carrier substrates, which, which especially has, forms the floating of diffraction structure
It carves structure and/or forms the embossment structure of arrangement of micro mirrors construction；
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 imprinted in the second semi-transparent metal layer finally applied at least partly；
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).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015014505.3A DE102015014505A1 (en) | 2015-11-10 | 2015-11-10 | Security element, method for producing the same and equipped with the security element disk |
| DE102015014505.3 | 2015-11-10 | ||
| 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 true CN108349290A (en) | 2018-07-31 |
| CN108349290B 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767075A (en) * | 2019-12-05 | 2020-02-07 | 南方科技大学 | Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof |
| CN113272087A (en) * | 2019-01-29 | 2021-08-17 | 巴斯夫欧洲公司 | Security element |
| CN114127362A (en) * | 2019-08-07 | 2022-03-01 | 捷德货币技术有限责任公司 | Method for producing security paper and security paper obtainable thereby |
| CN114126888A (en) * | 2019-07-15 | 2022-03-01 | 日本烟草国际股份有限公司 | High gloss silver watermark |
| CN114514107A (en) * | 2019-10-08 | 2022-05-17 | 捷德货币技术有限责任公司 | Transfer material for security elements, method for the production thereof and use thereof |
| WO2022227744A1 (en) * | 2021-04-25 | 2022-11-03 | 中钞特种防伪科技有限公司 | Thin film element, transparent anti-counterfeiting element, and data carrier |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2021004736A (en) | 2018-10-25 | 2021-06-04 | Basf Se | Compositions, comprising silver nanoplatelets. |
| WO2020152021A1 (en) | 2019-01-21 | 2020-07-30 | Basf Se | Security element |
| EP3965983A1 (en) | 2019-05-06 | 2022-03-16 | Basf Se | Compositions, comprising silver nanoplatelets |
| CN115279518A (en) | 2020-04-23 | 2022-11-01 | 巴斯夫欧洲公司 | Composition comprising flaky transition metal particles |
| CN117203007A (en) | 2021-02-03 | 2023-12-08 | 巴斯夫欧洲公司 | Composition comprising silver nanoplates |
| CA3218468A1 (en) | 2021-05-12 | 2022-11-17 | Basf Se | Compositions, comprising platelet-shaped transition metal particles |
| WO2023072740A1 (en) | 2021-10-26 | 2023-05-04 | Basf Se | A method for producing interference elements |
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- 2015-11-10 DE DE102015014505.3A patent/DE102015014505A1/en not_active Withdrawn
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- 2016-11-08 AU AU2016352335A patent/AU2016352335B2/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
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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 |
| US20050029800A1 (en) * | 2003-08-07 | 2005-02-10 | Disano John N. | Secure document of value and method of manufacturing same |
| CN102083632A (en) * | 2008-07-02 | 2011-06-01 | 德国捷德有限公司 | Security element and method for the production thereof |
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| CN113272087A (en) * | 2019-01-29 | 2021-08-17 | 巴斯夫欧洲公司 | Security element |
| CN113272087B (en) * | 2019-01-29 | 2024-04-19 | 巴斯夫欧洲公司 | Security element |
| CN114126888A (en) * | 2019-07-15 | 2022-03-01 | 日本烟草国际股份有限公司 | High gloss silver watermark |
| CN114127362A (en) * | 2019-08-07 | 2022-03-01 | 捷德货币技术有限责任公司 | Method for producing security paper and security paper obtainable thereby |
| CN114127362B (en) * | 2019-08-07 | 2023-08-04 | 捷德货币技术有限责任公司 | Method for producing security papers and security papers obtainable thereby |
| CN114514107A (en) * | 2019-10-08 | 2022-05-17 | 捷德货币技术有限责任公司 | Transfer material for security elements, method for the production thereof and use thereof |
| CN110767075A (en) * | 2019-12-05 | 2020-02-07 | 南方科技大学 | Flexible anti-counterfeiting layer based on metal micro-nano network, and preparation method and application thereof |
| WO2022227744A1 (en) * | 2021-04-25 | 2022-11-03 | 中钞特种防伪科技有限公司 | Thin film element, transparent anti-counterfeiting element, and data carrier |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2018005812A (en) | 2018-08-01 |
| DE102015014505A1 (en) | 2017-05-11 |
| AU2016352335A1 (en) | 2018-05-31 |
| EP3374197B1 (en) | 2022-04-20 |
| WO2017080641A1 (en) | 2017-05-18 |
| CN108349290B (en) | 2019-10-25 |
| EP3374197A1 (en) | 2018-09-19 |
| AU2016352335B2 (en) | 2019-09-19 |
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