CN103068584A - Data carrier comprising feature region - Google Patents
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- CN103068584A CN103068584A CN2011800396408A CN201180039640A CN103068584A CN 103068584 A CN103068584 A CN 103068584A CN 2011800396408 A CN2011800396408 A CN 2011800396408A CN 201180039640 A CN201180039640 A CN 201180039640A CN 103068584 A CN103068584 A CN 103068584A
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- 238000000034 method Methods 0.000 claims description 9
- 238000003698 laser cutting Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
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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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
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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
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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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
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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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/267—Marking of plastic artifacts, e.g. with laser
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- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to a data carrier, more particularly a valuable document, such as a banknote, identity card and the like, comprising a substrate (20), in which a feature region (12) is formed by a set of curves made from a plurality of curved and/or diverging sectional lines (22), wherein a visually detectable and/or machine-detectable identification (30) in the form of a pattern, of characters or of a coding is arranged within the feature region (12).
Description
Technical field
The present invention relates to a kind of data medium with characteristic area, especially a kind of value document, such as banknote, identity card etc., and a kind of method of making this data medium.
Background technology
In order to play a protective role, data medium, such as safely, valency or documentation of identity arranged; and other valuables, usually dispose security feature, thereby can verify the authenticity of this data medium; can play a protective role simultaneously, in case it is replicated without approval.Here, transparent security feature, the transparent window such as in the banknote more and more draws attention.In order to form window, here, a side disposes the paper tinsel of adhesive layer, for example, is applied on the banknote, to seal the through hole that formerly produces in this banknote.
Summary of the invention
Thus, an object of the present invention is further to improve anti-counterfeiting performance and the visual appearance of this type of data medium.
Above-mentioned purpose realizes by data medium and the manufacture method with the feature in the independent claims.Improvement of the present invention is the object of dependent claims.
According to the present invention, a kind of data medium, value document particularly, such as banknote, identity card etc., comprise a substrate, a family of curves that is made of cut-off rule a plurality of bendings and/or that disperse forms a characteristic area in described substrate, in this characteristic area, visible and/or machine recognizable identification marking is with the arranged in form of pattern, character or sequence number.
Here, the curvature of described cut-off rule can constant (such as camber line), reduce or increase or can also be wavy (with wave pattern) along described line of cut.The straight line of cut of dispersing not being constant for example but increasing each other, the direction that distance increases can be arbitrarily in literary composition of the present invention.Crooked line of cut can equidistantly extend, and perhaps can extend with different distances in some zone.
Described identification marking is preferably formed by a family of curves that is comprised of line of cut a plurality of bendings and/or that disperse, so that the described line of cut of described identification marking forms the first line of cut, and the outer described line of cut of described identification marking that is positioned in the described characteristic area forms the second line of cut, and described the first line of cut interconnects with described the second line of cut and has different cutting widths.Because described the first and second lines of cut have different cutting widths and the different area of coverage that causes thus, under the setting off of described transparent region around, described identification marking is that vision is visible under transmitted light and/or reverberation, in the situation that there is opaque cover layer to cover, be that machine is detectable perhaps.
Here, the width of described the first line of cut can greater than with width less than described the second line of cut.Wider line of cut is narrow cutting live width at least 10%, at least 20%, at least 50% or even surpass 100% preferably.In favourable embodiment, the cutting width of described the first and second lines of cut is basically constant in each example.Here, the statement of " basically constant " illustrates such fact, and in actual applications, when laser cutting, even adopt identical setting, described cutting width also may slightly change, rather than fully constant.
In an advantageous version of the present invention, be provided with the changeable mark substance of laser in the described characteristic area of described substrate, and the outer line of cut of described identification marking that is positioned in the described at least characteristic area has reformed fringe region under the effect of laser emission.If line of cut is presented in the identification marking equally, they also can be favourable so has reformed fringe region under the laser emission effect.In other embodiments, the zone of described identification marking is uncut, especially only is provided with mark line or mark outline line, and is as mentioned below.Described substrate preferred disposition has visible color variable mark substance under the laser emission effect.Be positioned at the fringe region that the outer described line of cut of described identification marking has variable color in the described characteristic area, if suitable, the line of cut in the described identification marking also has the fringe region of variable color.
Alternatively or extraly, described substrate can be disposed INFRARED ABSORPTION, magnetic, electricity or luminescent properties variable mark substance under the laser emission effect.Be positioned at the outer described line of cut of described identification marking in the described characteristic area, if suitable, comprise that the described line of cut in the described identification marking has such fringe region, compare with periphery, vicissitudinous INFRARED ABSORPTION, magnetic, electricity or the luminescent properties of this fringe region tool.This embodiment allows the validity check of machinery that characteristic area is simply replenished.Certainly, can be with the naked eye or the distortion of carrying out validity check of simple servicing unit (such as uviol lamp) also can expect.
Advantageously, the changeable effect pigment of laser can be used as described mark substance.Have different performances, particularly they self color, the change color under laser action, the transition energy this effect pigment different with required optical maser wavelength is that those skilled in the art easily know.Same, when Ear Mucosa Treated by He Ne Laser Irradiation, do not change (only) their visible color, but effect pigment INFRARED ABSORPTION, magnetic, electricity or the characteristics of luminescence that changes them is well known by persons skilled in the art.The change of effect pigment can adopt the laser emission in ultraviolet, visible or infrared range of spectrum to finish, and for example, adopting wavelength is the CO of 10.6 μ m
2Laser.
In another favourable distortion of the present invention, used the changeable mark substance of laser that does not contain pigment.The mark substance that does not contain pigment can be applied in the described substrate or introduce in the described substrate, for example as intaglio or print ink.Adopt the mark substance that does not contain pigment, can produce high transparent coating, can in described coating, introduce the identification marking of fixing height contrast by laser action at a high speed.The mark substance that does not contain pigment can change by the laser emission in ultraviolet, visible or infrared range of spectrum, for example by having the CO of 10.6 μ m
2Laser emission.Publication number is WO 02/101462 A1, and US 4,343,885 and the patent documentation of EP 0 290 750 B1 in the specific nonrestrictive example of the changeable mark substance of laser that does not contain pigment has been described in detail in detail.Especially publication number is the employing CO that describes in the patent documentation of EP 1 648 969 B1
2The changeable laser marking synthetic of cutting laser can be used as mark substance.
In another favourable distortion of the present invention, described identification marking is formed by the not cutting zone of described substrate.So, described identification marking can be easily by identification, especially under transmitted light under the background of the characteristic area that covers.
According to another favourable distortion of the present invention, described identification marking is formed by the not cutting zone of described substrate, and described substrate has the mark family of curves that is comprised of a plurality of mark lines, and described mark line is connected with described identification marking described line of cut outward.Usually, in this specification, " mark line " word ordinary representation does not cut and only is obvious line.Line with inner cutting zone and external label zone equally also is possible, and it is called as the line of cut that (variable color) edge cuts line or belt has (variable color) edge.
In of the present invention should the distortion, described identification marking can be identified in transmitted light easily as the not cutting zone of described substrate, and because described mark line, described identification marking also is apparent when being overlooked.
Here, described substrate preferred disposition has visible color changeable mark substance under the laser emission effect, so that the mark line variable color of described identification marking.Alternatively or additionally, that described substrate can also be disposed is INFRARED ABSORPTION, magnetic, electricity or the characteristics of luminescence changeable mark substance under the laser emission effect so that the mark line of described identification marking has INFRARED ABSORPTION, magnetic, electricity or the characteristics of luminescence that changes with respect to their periphery.Here, above-mentioned substance also can be used as mark substance.
Suppose that laser parameter is suitable, in the situation that does not have additional mark substance, can produce the mark line of variable color, for example, process by burning, described paper fiber fades or the opacity of polymeric substrates changes.
In another favourable distortion of the present invention, described identification marking is formed by the not cutting zone of described substrate, and described substrate has a plurality of nested size mark outline lines decrescence.Here, described a plurality of mark outline lines are convenient to mark the shape of described identification marking, all details of the outer contour of described identification marking, and reducing of increase no longer has to be described.In such an embodiment, the described identification marking of marker graphic with description is also clear and legible in reverberation.
The same with the distortion before the present invention, in this distortion, described substrate also can be disposed visible color and/or INFRARED ABSORPTION, magnetic, electricity or luminescent properties transformable mark substance under the laser emission effect, so that described mark profile has the performance of suitable variation.
In all embodiments, the figure v notch v of the perforation of pattern, character or sequence number form is arranged in the described graphics field.In favourable embodiment, the shape of described figure v notch v and the shape of described identification marking are associated in implication.This implication association particularly including: described figure v notch v is described identical figure with described identification marking, may distinguished by locus and/or two sizes of two figures being described.This implication association can also comprise: the described first and second figures of being described form respectively complementary visuals, and to form a complete figure, perhaps the first and second figures of being described complement each other to form a complete coherent image.
In all embodiments, self can be designed to the form of pattern, character or sequence number described characteristic area, so that the shape of the shape of described characteristic area and described identification marking, if applicable, and/or the figure v notch v that exists can be associated in implication.But the shape of described characteristic area, identification marking and figure v notch v can also be selected as separate, describes separately independently figure.
In an expansion of the present invention, except the described family of curves that is formed by line of cut a plurality of bendings and/or that disperse, described characteristic area also has one and forms the mark family of curves that preferably is comprised of mark line a plurality of bendings and/or that disperse by a plurality of mark lines.Here, described line of cut and described mark line can be arbitrarily angled with respect to another.In this expansion, described identification marking is advantageously formed by the not cutting zone with two mark families of curves of described substrate, described two mark families of curves are comprised of a plurality of mark lines respectively, the mark line of a mark family of curves is connected with described identification marking line of cut outward, and the mark line of another mark family of curves is connected with described identification marking mark line outward.
According to another favourable distortion of the present invention, the profile of described identification marking is provided with the mark profile, and the mark profile of variable color especially is to be increased in the identification of described identification marking under the reverberation.
In all embodiments, the width of described line of cut is preferably 0.5mm～1mm.The spacing of center to center is preferably 0.05mm～3mm, 0.5mm～1.5mm especially, and the spacing of described center to center can be constant (equidistantly line of cut), also can be (the dispersing line of cut) that changes.In having the line of cut of fringe region, the width of one-sided described fringe region is preferably 0.2mm～1mm, and simple is not preferably 0.05mm～3mm with the width of the mark line of cutting zone.
In a favourable distortion of the present invention, the family of curves of described characteristic area is formed by the equally spaced line of cut of a plurality of bendings.In another favourable distortion, the family of curves of described characteristic area is formed by a plurality of straight lines of cut of dispersing.
In one of the present invention was expanded expediently, the positioned opposite of described cutting curve family and identification marking formed an other authentication feature, for the sample of different data mediums, can select the different positioned opposite of cutting curve family and identification marking.
The characteristic area of described data medium is advantageously reinforced by the paper tinsel element.Here, described paper tinsel element can comprise a family of curves, and the family of curves of this family of curves and described characteristic area produces a Moire effect together.For example, the spacing of the center to center of the family of curves of described paper tinsel element can be omited the spacing of center to center that (for example several percentage points) depart from the family of curves of described characteristic area, and/or a little (for example several years) the relatively rotation of described two families of curves.
Yet, can also use the characteristic area that does not have additional paper tinsel element as safety element.Described data medium especially can be safety element, safety paper or value document.
In a favourable distortion of the present invention, described characteristic area forms a transparent region, and in the described transparent region, described identification marking produces the visual appearance that the part remaining with respect to described characteristic area changes under reverberation and/or transmitted light.
According to another favourable distortion of the present invention, described characteristic area covers the one or both sides of described data medium with the tectal form of low transparency so that described identification marking under reverberation basically invisible and when in transmitted light, watching clearly.
At last, according to more favourable distortion of the present invention, described characteristic area covers the both sides of described data medium with opaque tectal form so that described identification marking is visually invisible, but machine can identify, for example pass through ultrasonic wave.
The present invention also comprises a kind of method of making the data medium of aforementioned type.Here, a characteristic area is formed in the described substrate, in described substrate, produce one by line of cut a plurality of bendings and/or that disperse by laser cutting, in described characteristic area, produce the identification marking of visible and/or machine recognizable pattern, character or a sequence number form.
Described identification marking is preferably formed by a family of curves that is comprised of the first line of cut a plurality of bendings and/or that disperse, the cutting laser beam that described the first line of cut is identical with described identification marking described the second line of cut employing outward in the described characteristic area produces, by changing described laser parameter, especially laser power and/or cutting speed produce described the first and second lines of cut with different cutting widths.
In favourable method distortion, described substrate is provided with the changeable mark substance of laser in described characteristic area, so that the fringe region of the described line of cut outside the described identification marking is changed under described laser emission effect.Preferably, the fringe region that is positioned at the described line of cut of described identification marking also is changed under described laser emission effect.
According to another favourable method, described identification marking is formed by the not cutting zone of described substrate, preferably, described identification marking is formed by the not cutting zone with a family of curves that is comprised of a plurality of mark lines of described substrate, the laser beam that described mark line is identical with the described identification marking described line of cut employing outward in the described transparent region produces, the described mark line that is arranged in the outer described line of cut of described identification marking and described identification marking produces by changing laser parameter, especially laser power and/or cutting speed.
Description of drawings
Below in conjunction with description of drawings other embodiments of the invention and advantage, wherein, for clearer, omitted the description of ratio.
Fig. 1 is the schematic diagram with banknote of characteristic area of the present invention;
Fig. 2 is the details top view of the characteristic area of banknote shown in Figure 1;
When Fig. 3 (a) adopted the cutting laser beam of the peak power with otherwise limit for explanation, the schematic diagram of the variation of cutting width, Fig. 3 (b) were that Fig. 2 is in the detailed shearogram of the edge of described identification marking;
Fig. 4 is the top view of the transparent region of another embodiment of the present invention;
Fig. 5 is the top view of the transparent region of another embodiment of the present invention;
Fig. 6 and Fig. 3 (b) are similar, are the detail view of the edge of the identification marking of another embodiment of the present invention;
Fig. 7 has shown the dimensional energy distribution of cutting laser beam, so that the generation of described edge effect to be described;
Fig. 8 is the detailed schematic of edge of the identification marking of another embodiment of the present invention;
Fig. 9 is the again detailed schematic of the edge of the identification marking of an embodiment of the present invention;
Figure 10 (a) and (b) shown that two banknote samples, its difference are that relatively arranging of described cutting curve family and described identification marking is different;
Figure 11 has shown the data medium figure that another embodiment of the present invention provides, and its identification marking is visually invisible and only be that machine is detectable.
The specific embodiment
The present invention will describe as an example of banknote example.For this reason, Fig. 1 and 2 has shown the schematic diagram of banknote 10, and banknote 10 has the characteristic area of transparent region 12 forms of innovation, as showing in detail among Fig. 2.
With reference to the top view among Fig. 2, described characteristic area 12 is formed by a family of curves, and this family of curves is comprised of a plurality of straight lines of cut 22 of dispersing, and these are dispersed line of cut 22 and are acted on by laser emission that cutting forms on the bank-note paper 20.In this embodiment, the cutting width of the line of cut 22 of this family of curves is 0.15mm, and the spacing of the center to center of described line of cut is between the 1.0mm of the upper edge of the 0.4mm of the lower edge of described transparent region 12 and described transparent region 12.Therefore, the area of coverage of described line of cut is between 15% to 37.5%, to such an extent as to described transparent region 12 all is cognizable when overlooking and have an X-rayed.
Described transparent region 12 is with the form development of geometrical pattern, for example ellipse among Fig. 2.Among the figure, border 24 expressions that the profile of transparent region is drawn by with dashed lines, and only for the shape that vivo demonstrates formation.
Be provided with identification marking 30 in the described transparent region 12, under reverberation and/or transmitted light, compare with transparent region 12 on every side, therefore the vicissitudinous visual appearance of these identification marking 30 tools can viewed person pick out.Described identification marking 30 is generally the form of figure, character or code, and in the present embodiment, it has the shape of maple leaf.The profile 34 of the described identification marking 30 that is drawn by dotted line also only is used for vivo demonstrating its shape, and is not must be suitable with in esse profile in the banknote.
In the embodiment shown in Figure 2, described identification marking 30 also straight dispersed the family of curves that line of cut 32 forms and is formed by a plurality of by one, and the line of cut 32 of described identification marking 30 is aimed at fully with the line of cut 22 that is arranged in described identification marking described transparent region 12 outward and is connected.Yet the cutting width of the line of cut 32 in the described identification marking 30 is expanded is 0.3mm, thereby greatly is wider than the outer line of cut 22 of described identification marking.Because the area of coverage of described paper is less in the zone of described identification marking 30, so according to illumination condition and background, be clear and legible by its described " maple leaf " figure that forms in reverberation and/or transmitted light.
Have the described line of cut 22 of different in width, 23 fully aligning guarantees thus: in same operation, adopt identical cutting laser beam to carry out laser cutting and produce described line of cut 22,23.Different cutting widths produces by variation, the especially laser power of the laser parameter in the cutting process and/or the variation of cutting speed.
For convenience of explanation, the power W Gaussian Profile substantially of described cutting laser beam is shown in Fig. 3 (a).Under constant cutting speed and high peak power (distributing 40), the energy that described laser emission is injected into described paper has surpassed the needed transition energy of the described paper of cutting in wide cutting zone 42.By contrast, for the distribution 44 with low peak power, cut described paper 20 required transition energies and only in narrower cutting zone 46, be exceeded, thereby can produce less cutting width.Like this, with constant cutting speed, because the in fact possible instantaneous variation of laser power, the cutting width of described laser beam can change as required along described laser beam path.
Referring to the detail view among Fig. 2 and Fig. 3 (b), like this, interconnective line of cut 22,32 can form straight-through in an operation and then line of cut that aim at fully.For this reason, in the zone transformation from described transparent region 12 (line of cut 22) to described identification marking 30 (line of cut 32), described laser power and described cutting width increase, and from the zone (line of cut 32) of described identification marking 30 to the transformation of described transparent region 12 (line of cut 22), described laser power and described cutting width reduce again.In this detailed shearogram in Fig. 3 (b), especially easily find out, Fig. 3 (b) has shown that the wide line of cut 32 in the described identification marking 30 is (wide by 42, here 0.3mm) just change at 34 places, edge of described identification marking 30 to the outer narrow line of cut of described identification marking (width 46, here 0.15).
Described cutting width 42,46 variation can also realize by change cutting speed under constant laser power.Under higher cutting speed, described laser emission only acts on the paper relatively momently, to such an extent as to the energy that is injected in the described paper is lower.Therefore, when adopting high laser power, cut the required transition energy of described paper and only in narrow cutting zone, be exceeded.By contrast, if adopt lower cutting speed, the time that described laser emission acts on the described paper is longer, so that in the described paper of higher energy injection.Therefore, produced wider cutting zone, in this zone, cut the required energy of described paper and be exceeded.Certainly, two parameters of laser power and cutting speed can change simultaneously, to obtain accessible larger excursion.
Embodiment among Fig. 4 has shown transparent region 50, wherein, is arranged in described identification marking 54 outer line of cut 52 and the same of Fig. 2 and produces by laser cutting.Compare with Fig. 2, the family of curves of transparent region 50 is formed by the equally spaced line of cut 52 of bending.In addition, in described identification marking 54, the laser power of described cutting laser be reduced to the cutting of described paper critical below so that the there does not produce line of cut.Like this, described identification marking 54 still remains uncut paper, and under the background of the characteristic area 50 that covers, especially clear and legible under transmitted light.
Fig. 5 has shown another embodiment of the present invention, and it has transparent region 60, is positioned at family of curves that described identification marking 64 outer lines of cut consist of and is formed by the emission line of cut 62 of bending.Fig. 5 has further shown a kind of selectable mark that produces by laser emission, the outline 66 of described identification marking 64.For this reason, as hereinafter describing in detail, described bank-note paper 20 disposes the changeable mark substance of laser, and its visible color can be changeable under the laser emission effect.In order to produce outline 66, laser parameter is arranged like this, so that in whole beam diameter, laser energy is all critical less than the cutting of described paper, but at interior zone, laser energy and then produces the change color of expectation still on the reaction of the changeable mark substance of described laser is critical.
Fig. 6 is the detail view similar to Fig. 3 (b), has shown a favourable distortion of embodiments of the invention, wherein, transparent region 70 and identification marking 80 all by a plurality of bendings and/or the emission line of cut 72 or 82 form.Described line of cut 72,82 is mutually aimed at fully at 86 places, edge of described identification marking and is connected, the same with embodiment shown in Fig. 2, appropriate variation by laser parameter, the cutting width of the described line of cut 72 outside the described identification marking 80 is selected as, less than the cutting width of the line of cut 82 in the described identification marking 30.In addition, the both sides of the line of cut 82 in the described identification marking and the line of cut 72 outside the described identification marking are all around the variable color edge 74 or 84 of aiming at is fully arranged.
The variable color edge 74,84 of aiming at fully in order to produce this and described line of cut, before laser cutting, some periphery that will produce transparent region 70 at described bank-note paper 20 is provided with the changeable property material of laser, the changeable effect pigment of laser for example, under the laser emission effect, it demonstrates the change color of expectation, for example from the colourless redness that becomes.
Described line of cut 72,82 and the generation principle of aiming at fully when described variable color edge 74,84 as shown in Figure 7, wherein simply shown spatial power or the Energy distribution 90 of cutting laser beam.At interior zone, described cutting zone 92, described laser beam energy have surpassed the required transition energy E1 of cutting paper 20.In Fig. 7, the reaction energy of effect pigment represents with E2, when this reaction energy is exceeded, will produce the change color of expectation.From figure, can directly draw, perimeter in described laser beam profile, described marked region 94, described laser energy is at the required reaction energy E2 of change color and cut between the required ENERGY E 1, like this, at described marked region 94, described effect pigment generation change color, but substrate is not cut.
With in the corresponding central area 72 or 82 of the described bank-note paper 20 of the modifiable effect pigment of laser and then the cutting zone in Fig. 7 92 by described laser beam 90 cuttings, and with described line of cut 72 and 82 fringe regions of aiming at fully 74,84 variable colors.Here, variable color fringe region 74,84 width are corresponding with the width of described marked region 4, and depend on the reaction energy of effect pigment of beam profile, use and the material properties of paper.Outside described cutting zone 92 and the described marked region 94, laser energy is critical less than the reaction of described effect pigment, so that paper there does not change.
Can differentiate better in reverberation for the profile that makes described identification marking, the outline 66 of described identification marking 64 can be by the laser emission mark, as shown in Figure 5.For this reason, can laser parameter be set like this, for example, by between E1 shown in Figure 7 and E2, selecting laser energy, so that in the whole beam diameter, described laser energy is critical less than the cutting of paper, but at interior zone, still critical greater than the reaction of described effect pigment.
Fig. 8 has shown the transparent region 100 of further embodiment of this invention, and wherein, the same with among Fig. 6 is positioned at the outer line of cut 102 of described identification marking 110 with the variable color edge 104 of aiming at, and produces by the bank-note paper 20 of laser cutting with mark substance.Yet different from embodiment among Fig. 6 is, the laser parameter of cutting laser changes in the zone that enters described identification marking 110 like this, and to be lower than the cutting of described paper critical so that inject the energy of paper, but the reaction that still is higher than described mark substance is critical.Like this, described laser beam is no longer at the line of cut of described identification marking 110 interior generations with the variable color edge, and only produces the mark line 112 of variable color, and the mark line 112 of this variable color is aimed at fully at the edge 116 of identification marking 110 with line of cut 102 and is connected.This mark line from variable color is to the conversion with the aligning of the line of cut at variable color edge, visually be attracting, be easy to detect and proposed the technology barrier that a kind of person of being forged of being difficult to overcomes.
Detailed shearogram among Fig. 9 has shown another embodiment distortion.The embodiment that wherein shows comprises transparent region 120, in the outside of described marked region 130, transparent region 120 has a family of curves that is comprised of the line of cut 122 with variable color edge 124 and one the mark family of curves that is comprised of Chameleon tokens line 126 outside cutting zone.Line of cut 122 and mark line 126 can be, for example crooked equally spaced, crooked that disperse or straight dispersing.At the edge of described marked region 130, Chameleon tokens line 126 and fully become Chameleon tokens line 132 with the line of cut 122 at variable color edge with aiming at.
In this embodiment, alternately arrange for two kinds linear 122,126 of described transparent region 120, but also can expect other order, for example per two lines of cut 122 and mark line 126.Because do not comprise line of cut in the mark family of curves, so can being arranged as with described cutting curve family, it is arbitrarily angled.
In illustrated all embodiment, the positioned opposite of cutting curve family and identification marking can form other authentication feature.For this reason, with respect to described identification marking, the layout of described cutting curve group on different data medium samples is different, and this different layout is associated with another feature of data medium, for example sequence number.
For convenience of explanation, Figure 10 (a) and 10 (b) have shown two samples of banknote, and wherein, transparent region 140 is formed by the equally spaced line of cut 142 of bending, and this has made description in conjunction with Fig. 4 in principle.In the zone of identification marking 144, the laser power of cutting laser is reduced to less than the cutting of paper critical, so that the there does not produce line of cut, the identification marking 144 here is designed to the form of the denomination " 10 " of banknote.
The difference of two banknote samples among Figure 10 (a) and 10 (b) is, crooked line of cut 142 is with respect to the phase relation of described identification marking 144.In Figure 10 (a), the bend relief of line of cut 142 is pointed to the left side (arranging 1, label 146) in the top of described identification marking 144, and in Figure 10 (b), they refer to (arranging 2, label 148) to the right.At present, the phase relation of line of cut 142 can be selected according to the sequence number of suitable banknote sample, such as, arrange that 1 is used for sequence number range 0000001 to 0100000, arrange that 2 are used for sequence number range 0100001 to 0200000, then, arrange that 1 is used further to sequence number range 0200001 to 0300000, like that.Visible or the MACH CHK of the phase relation by line of cut 142 and the contrast of sequence number position, the actual performance of banknote accesses checking.In practice, advantageously, can adopt complicated distribution between sequence number and the positioned opposite, like this, as long as the distribution of sequence number is maintained secrecy, for potential adulterator, which sequence number is which kind of layout distribute to can't be understood.
Except different phase relations, the further feature of cutting curve family also can be used for coding, for example gradient (up/down), divergence (open up/down or towards left/open towards the right side) or radius of curvature (increasing/reduce).
Have the one or both sides that cover described data medium than the cover layer of low transparency if characteristic area adopts, identification marking is actually unrecognizable under reverberation so, but when data medium is watched under transmitted light, can highlight.
This characteristic area is design like this, and the identification marking naked eyes are fully invisible and only can detect by machine.For this reason, Figure 11 has shown a cross section of the data medium of the embodiment of the invention, and wherein, transparent lining paper tinsel 150 both sides are coated with opaque cover layer 152.Paper tinsel 150 comprises characteristic area 154 and the marked region 158 of being located in the described characteristic area 154, and this characteristic area 154 has line of cut 156 a plurality of bendings and/or that disperse.As shown in figure 11, described identification marking 158 can be formed by the not cutting zone of described paper tinsel 150, perhaps, in other embodiments, can be formed by the zone of the line of cut with another width.
Because the both sides of paper tinsel 150 are coated with opaque cover layer 152, so line of cut 156 and identification marking 158 are visually invisible.Yet described identification marking 158 can detect by machine, for example, detects by ultrasonic sensor.Because the positioned opposite of cutting curve family and described identification marking, with only machine recognizable identification marking and code are in conjunction with being very suitable, this is illustrated in principle in conjunction with Figure 10.
Label list
10 banknotes
12 transparent regions
20 bank-note papers
22 lines of cut
24 borders
30 graphics fields
32 lines of cut
34 profiles
40 distribute
42 cutting zones
44 distribute
46 cutting zones
50 transparent regions
52 lines of cut
54 identification markings
60 transparent regions
62 lines of cut
64 identification markings
66 outlines
70 transparent regions
72 lines of cut
74 variable color edges
80 identification markings
82 lines of cut
84 variable color edges
The edge of 86 identification markings
90 Energy distribution
92 cutting zones
94 marked regions
110 transparent regions
102 lines of cut
104 variable color edges
110 identification markings
112 mark lines
The limit of 116 identification markings
120 transparent regions
122 lines of cut
124 variable color edges
126 mark lines
130 identification markings
132 mark lines
140 transparent regions
142 lines of cut
144 identification markings
146,148 bend relief
150 paper tinsels
152 cover layers
154 characteristic areas
156 lines of cut
158 identification markings
160 ultrasonic sensors
Claims (24)
1. data medium, especially value document, for example banknote, identity card etc., described data medium has a substrate, a family of curves that is comprised of line of cut a plurality of bendings and/or that disperse forms a characteristic area in described substrate, be provided with a visible and/or machine recognizable identification marking in the described characteristic area, described identification marking is the form of pattern, character or sequence number.
2. data medium according to claim 1, it is characterized in that, described identification marking is formed by a family of curves that is comprised of line of cut a plurality of bendings and/or that disperse, so that the described line of cut of described identification marking forms the first line of cut, and the outer described line of cut of described identification marking that is positioned in the described characteristic area forms the second line of cut, and described the first line of cut interconnects with described the second line of cut and has different cutting widths.
3. data medium according to claim 1 and 2, it is characterized in that, be provided with the changeable mark substance of laser in the described characteristic area of described substrate, and the outer line of cut of described identification marking that is positioned in the described characteristic area has reformed fringe region under the effect of laser emission, preferably, visible color variable mark substance under the laser emission effect is disposed in described substrate, and is positioned at the fringe region that the outer described line of cut of described identification marking has variable color in the described characteristic area.
4. data medium according to claim 3, it is characterized in that, described identification marking is formed by a family of curves that is comprised of line of cut a plurality of bendings and/or that disperse, so that the described line of cut of described identification marking forms the first line of cut, and the outer described line of cut of described identification marking that is positioned in the described characteristic area forms the second line of cut, described the first and second lines of cut interconnect, described the first line of cut has the fringe region that changes under the laser emission effect, preferably, described the second line of cut also has reformed fringe region under the laser emission effect.
5. according to claim 1, at least one described data medium in 3 or 4, it is characterized in that, described identification marking is formed by the not cutting zone of described substrate.
6. at least one described data medium according to claim 3 or in 4, it is characterized in that, described identification marking is formed by the not cutting zone of described substrate, described not cutting zone has a mark family of curves that is comprised of a plurality of mark lines, and described mark line is connected with described identification marking line of cut outward.
7. at least one described data medium according to claim 3 or in 4 is characterized in that, described identification marking is formed by the not cutting zone of described substrate, and described not cutting zone has a plurality of nested size mark profiles decrescence.
8. at least one described data medium is characterized in that according to claim 1-7, is provided with the figure v notch v of the perforation of pattern, character or sequence number form in the described identification marking.
9. at least one described data medium according to claim 1-8, it is characterized in that, except the described family of curves that is formed by line of cut a plurality of bendings and/or that disperse, described characteristic area also has one and forms the mark family of curves that preferably is comprised of mark line a plurality of bendings and/or that disperse by a plurality of mark lines.
10. each described data medium is characterized in that according to claim 3-9, and the profile of described identification marking disposes the mark outline line, especially the mark outline line of variable color.
11. each described data medium according to claim 1-10, it is characterized in that, the width of described line of cut is 0.5mm～1mm, especially 0.1mm～0.4mm, the spacing of the center to center of described line of cut is constant or changes, and the spacing of the center to center of described line of cut is 0.05mm～1mm, especially 0.3mm～0.7mm.
12. each described data medium is characterized in that according to claim 1-11, the family of curves of described characteristic area is formed by the equally spaced line of cut of a plurality of bendings.
13. each described data medium is characterized in that according to claim 1-11, the family of curves of described characteristic area is formed by a plurality of straight lines of cut of dispersing.
14. each described data medium is characterized in that according to claim 1-13, described characteristic area is the form of pattern, character or sequence number.
15. each described data medium according to claim 1-14, it is characterized in that, the positioned opposite of described cutting curve family and described identification marking forms an other authentication feature, for the sample of different data mediums, the different positioned opposite of described cutting curve family and described identification marking is selectable.
16. at least one described data medium is characterized in that according to claim 1-15, described characteristic area is reinforced by the paper tinsel element.
17. at least one described data medium is characterized in that according to claim 1-16, described characteristic area forms transparent region, in the described transparent region, and the visual appearance that described identification marking changes under reverberation and/or transmitted light.
18. at least one described data medium according to claim 1-16, it is characterized in that, described characteristic area covers tectal form with low transparency and covers one or both sides in described data medium so that described identification marking under reverberation basically invisible and when in transmitted light, watching clearly.
19. at least one described data medium is characterized in that according to claim 1-16, described characteristic area covers the both sides of described data medium with opaque tectal form, so that described identification marking is visually invisible, but machine can be identified.
20. at least one described data medium is characterized in that according to claim 1-19, described data medium is safety element, safety paper or value document.
A 21. described method with data medium of the substrate that will introduce described characteristic area in the manufacturing according to claim 1-20, in described method, one characteristic area is formed in the described substrate, produce a family of curves that is comprised of line of cut a plurality of bendings and/or that disperse by laser cutting in the described characteristic area, visible and/or machine recognizable identification marking is created in the described characteristic area with the form of pattern, character or sequence number.
22. method according to claim 21 is characterized in that, described identification marking is formed by a family of curves that is comprised of the first line of cut a plurality of bendings and/or that disperse; The cutting laser beam that described the first line of cut is identical with described identification marking described the second line of cut employing outward in the described characteristic area produces, by changing described laser parameter, especially laser power and/or cutting speed produce described the first and second lines of cut with different cutting widths.
23. according to claim 21 or 22 described methods, it is characterized in that, described substrate is provided with the changeable mark substance of laser in described characteristic area, be changed under described laser emission effect so that be positioned at the fringe region of the outer described line of cut of described identification marking, preferably, the fringe region that is positioned at the described line of cut of described identification marking also is changed under described laser emission effect.
24. method according to claim 23, it is characterized in that, described identification marking is formed by the not cutting zone of described substrate, preferably, described identification marking is formed by the not cutting zone with a family of curves that is comprised of a plurality of mark lines of described substrate, the outer described line of cut of described identification marking that is positioned in described mark line and the described transparent region adopts identical laser beam to produce, the described mark line that is arranged in the outer described line of cut of described identification marking and described identification marking produces by changing laser parameter, especially laser power and/or cutting speed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010022990.3 | 2010-06-08 | ||
| DE102010022990A DE102010022990A1 (en) | 2010-06-08 | 2010-06-08 | Data carrier with feature area |
| PCT/EP2011/002724 WO2011154112A1 (en) | 2010-06-08 | 2011-06-01 | Data carrier comprising feature region |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103068584A true CN103068584A (en) | 2013-04-24 |
| CN103068584B CN103068584B (en) | 2016-03-30 |
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| CN201180039640.8A Expired - Fee Related CN103068584B (en) | 2010-06-08 | 2011-06-01 | There is the data medium of characteristic area |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2580069B1 (en) |
| CN (1) | CN103068584B (en) |
| BR (1) | BR112012030608A2 (en) |
| CA (1) | CA2801794C (en) |
| DE (1) | DE102010022990A1 (en) |
| ES (1) | ES2727274T3 (en) |
| HK (1) | HK1182363A1 (en) |
| PL (1) | PL2580069T3 (en) |
| RU (1) | RU2520073C1 (en) |
| WO (1) | WO2011154112A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228836A (en) * | 2013-04-29 | 2016-01-06 | 德国捷德有限公司 | Optically variable security element |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014016249A1 (en) | 2014-11-04 | 2016-05-04 | Giesecke & Devrient Gmbh | Data carrier with see-through security element |
| GB2537830B (en) | 2015-04-24 | 2017-05-31 | De La Rue Int Ltd | Improvements in security substrates |
| DE102015009164A1 (en) | 2015-07-14 | 2017-01-19 | Giesecke & Devrient Gmbh | Disk with breakthrough area |
| DE102016002120A1 (en) | 2016-02-24 | 2017-08-24 | Giesecke & Devrient Gmbh | Security feature and method for its manufacture |
| DE102016004424A1 (en) | 2016-04-12 | 2017-10-12 | Giesecke+Devrient Currency Technology Gmbh | Laser coating with effect pigments |
| DE102016006931A1 (en) | 2016-06-06 | 2017-12-07 | Giesecke+Devrient Currency Technology Gmbh | Security feature and method for its manufacture |
| DE102016006929A1 (en) | 2016-06-06 | 2017-12-07 | Giesecke+Devrient Currency Technology Gmbh | Security feature and method for its manufacture |
| DE102016014662A1 (en) | 2016-12-09 | 2018-06-14 | Giesecke+Devrient Currency Technology Gmbh | value document |
| DE102016014845A1 (en) | 2016-12-13 | 2018-06-14 | Giesecke+Devrient Currency Technology Gmbh | Laser cutting and laser staining of security documents |
| DE102017000124A1 (en) | 2017-01-09 | 2018-07-12 | Giesecke+Devrient Currency Technology Gmbh | Security element with lasered surface |
| DE102018005990A1 (en) | 2018-07-27 | 2020-01-30 | Giesecke+Devrient Currency Technology Gmbh | Method for producing a security feature using laser radiation |
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- 2011-06-01 CN CN201180039640.8A patent/CN103068584B/en not_active Expired - Fee Related
- 2011-06-01 PL PL11724370T patent/PL2580069T3/en unknown
- 2011-06-01 BR BR112012030608A patent/BR112012030608A2/en not_active IP Right Cessation
- 2011-06-01 EP EP11724370.9A patent/EP2580069B1/en active Active
- 2011-06-01 RU RU2012157131/12A patent/RU2520073C1/en not_active IP Right Cessation
- 2011-06-01 ES ES11724370T patent/ES2727274T3/en active Active
- 2011-06-01 CA CA2801794A patent/CA2801794C/en not_active Expired - Fee Related
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| US5762378A (en) * | 1996-02-16 | 1998-06-09 | Verify First Technologies, Inc. | Tamper resistant validation marks |
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| US9697456B2 (en) | 2013-04-29 | 2017-07-04 | Giesecke & Devrient Gmbh | Optically variable security element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103068584B (en) | 2016-03-30 |
| CA2801794A1 (en) | 2011-12-15 |
| EP2580069B1 (en) | 2019-03-06 |
| EP2580069A1 (en) | 2013-04-17 |
| HK1182363A1 (en) | 2014-01-17 |
| CA2801794C (en) | 2015-08-11 |
| PL2580069T3 (en) | 2019-08-30 |
| WO2011154112A1 (en) | 2011-12-15 |
| BR112012030608A2 (en) | 2016-08-16 |
| DE102010022990A1 (en) | 2011-12-08 |
| ES2727274T3 (en) | 2019-10-15 |
| RU2520073C1 (en) | 2014-06-20 |
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