CN105835553A - Manufacturing method for invisible anti-counterfeiting mark - Google Patents
Manufacturing method for invisible anti-counterfeiting mark Download PDFInfo
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- CN105835553A CN105835553A CN201610370151.5A CN201610370151A CN105835553A CN 105835553 A CN105835553 A CN 105835553A CN 201610370151 A CN201610370151 A CN 201610370151A CN 105835553 A CN105835553 A CN 105835553A
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- China
- Prior art keywords
- ink
- fluorescent ink
- concealed fluorescent
- mark
- pattern
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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
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Abstract
The invention discloses a manufacturing method for an invisible anti-counterfeiting mark. Inverse color RGB data of the anti-counterfeiting mark are obtained by obtaining RGB data of the anti-counterfeiting mark and then converting the RGB data of the anti-counterfeiting mark, and the color of the anti-counterfeiting mark with continuous color hues can be digitized; and then according to a corresponding relation table of the inverse color RGB data and the proportion of printing ink net points of first invisible fluorescent printing ink, second invisible fluorescent printing ink and third invisible fluorescent printing ink, the first invisible fluorescent printing ink, the second invisible fluorescent printing ink and the third invisible fluorescent printing ink are overlapped on a carrying object to form invisible fluorescent printing ink patterns, and the invisible anti-counterfeiting mark can be obtained. Multiple colors can be shown on the invisible anti-counterfeit mark formed on the carrying object after the three kinds of invisible fluorescent printing ink is overlapped according to a certain ratio under the excitation of light in a preset wavelength range, and the invisible anti-counterfeiting mark with the continuous color hues can be manufactured.
Description
Technical field
The present invention relates to field of anti-counterfeit technology, especially relate to the preparation method of a kind of invisible anti-counterfeit mark.
Background technology
Anti-counterfeiting mark is to paste, print, shift on subject matter surface, or in subject matter packaging, or target
Thing adjunct (as commodity list, business card and antifake certificate card) on, there is the mark of anti-fake effect.False proof
The anti-counterfeiting characteristic of mark and knowledge method for distinguishing are the souls of anti-counterfeiting mark.In view of social public security in recent years,
The false proof demand of business and field of circulation counterfeit goods are becoming increasingly rampant, and the application of anti-counterfeiting mark is the most extensive.
But, traditional anti-counterfeiting mark typically uses single ink to prepare, and is excited by the light of specific wavelength
After on carrier, be only capable of presenting figure or the word of solid color, it is impossible to preparation there is colored continuous tone
Invisible anti-counterfeit mark.
Summary of the invention
Based on this, it is necessary to provide the system of a kind of invisible anti-counterfeit mark can prepared and there is colored continuous tone
Preparation Method.
The preparation method of a kind of invisible anti-counterfeit mark, comprises the steps:
Obtain the RGB data of anti-counterfeiting mark；
Change the RGB data of described anti-counterfeiting mark, it is thus achieved that the inverse RGB data of described anti-counterfeiting mark；
First concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink is provided, wherein,
Described first concealed fluorescent ink is excited by the light of preset wavelength scope can show red light, described second
Concealed fluorescent ink is excited by the light of preset wavelength scope can show green light, described 3rd concealed fluorescent
Ink is excited by the light of preset wavelength scope can show blue light；
Obtain the inverse RGB data of described anti-counterfeiting mark and described first concealed fluorescent ink, described second hidden
The mapping table of the ink site ratio of shape fluorescent ink and described 3rd concealed fluorescent ink；And
On carrier, form concealed fluorescent ink logo according to described mapping table, obtain concealed anti-false mark
Know.
In one embodiment, described formed on carrier according to described mapping table concealed fluorescent oil
Before the operation of ink pattern, also including the operation calibrating chromatography, the operation of described calibration chromatography includes walking as follows
Rapid:
Offer printing registration identifies, and described printing registration mark includes separate the first pattern, the second figure
Case, the 3rd pattern and the 4th pattern, the color of described first pattern is corresponding by described first concealed fluorescent ink
Being formed, the color correspondence of described second pattern is formed by described second concealed fluorescent ink, described 3rd pattern
Color correspondence is formed by described 3rd concealed fluorescent ink, the color of described 4th pattern correspondence is by described the
Formed after one concealed fluorescent ink, described second concealed fluorescent ink and described 3rd concealed fluorescent ink superposition；
Obtain the RGB data of described printing registration mark；
Change the RGB data of described printing registration mark, it is thus achieved that the inverse RGB of described printing registration mark
Data；
Obtain inverse RGB data and the described first concealed fluorescent ink of described printing registration mark, described the
The mapping table of the ink site ratio of two concealed fluorescent ink and described 3rd concealed fluorescent ink；
On carrier, stealthy printing registration mark is formed according to described mapping table；And
Described stealthy printing registration mark and described print nest is judged under the photo-excitation conditions of preset wavelength scope
Standard identifies whether unanimously, if it is not, adjust the relative of the printing machine equipment of the described stealthy printing registration mark of formation
Position.
In one embodiment, described printing registration mark also include separate the 5th pattern, the 6th
Pattern, the 7th pattern and the 8th pattern, the color of described 5th pattern is corresponding is 50% by ink site ratio
Described first concealed fluorescent ink, ink site ratio be 50% described second concealed fluorescent ink and oil
Ink site ratio be 50% described 3rd concealed fluorescent ink superposition after formed；The color of described 6th pattern
Corresponding described first concealed fluorescent ink by ink site ratio 100% and the institute of ink site ratio 100%
Formed after stating the second concealed fluorescent ink superposition；The color of described 7th pattern is corresponding by ink site ratio
The described first concealed fluorescent ink of 100% and the described 3rd concealed fluorescent ink of ink site ratio 100%
Formed after superposition；The color of described 8th pattern is corresponding stealthy glimmering by described the second of ink site ratio 100%
Formed after the described 3rd concealed fluorescent ink superposition of ink and ink site ratio 100%.
In one embodiment, in described mapping table, described inverse RGB data includes inverse RGB
Red value, inverse RGB green value and inverse RGB blue valve, described inverse RGB red value and described the
The ink site ratio of one concealed fluorescent ink is linear, described inverse RGB green value and described second
The ink site ratio of concealed fluorescent ink is linear, and described inverse RGB blue valve is 3rd hidden with described
The ink site ratio of shape fluorescent ink is linear.
In one embodiment, the described RGB data of described conversion, it is thus achieved that the inverse of described anti-counterfeiting mark
The operation of RGB data is particularly as follows: use the RGB data of white colour to deduct the RGB number of described anti-counterfeiting mark
According to, it is thus achieved that the inverse RGB data of described anti-counterfeiting mark.
In one embodiment, the light of described preset wavelength scope is specially wavelength 200nm's～400nm
Ultraviolet light.
In one embodiment, the RGB data of the described anti-counterfeiting mark of described conversion, it is thus achieved that described anti-counterfeiting label
Know inverse RGB data operation after, also include the operation of plate making, described plate making include with
Lower step:
To the described anti-counterfeiting mark am screening after the described inverse RGB data of acquisition or fm screening, form tool
There is the image of site array, and
The described image with site array is printed to sheet material, obtains forme.
In one embodiment, described formed on carrier according to described mapping table concealed fluorescent oil
Before the operation of ink pattern, it is additionally included on described carrier one layer of base ink layer of formation, described substrate oil
Layer of ink is formed by the ink of white colour.
In one embodiment, described formed on carrier according to described mapping table concealed fluorescent oil
The operation of ink pattern is specifically, according to described mapping table, by described first concealed fluorescent ink, described
Second concealed fluorescent ink and described 3rd concealed fluorescent ink by printing, print or spray by the way of in institute
State formation concealed fluorescent ink logo on carrier.
In one embodiment, the surface roughness of described carrier is more than or equal to 1.2 μm.
The preparation method of above-mentioned invisible anti-counterfeit mark, by obtaining the RGB data of anti-counterfeiting mark, wherein RGB
Data are the color data representing red, green, blue passage respectively.Change the RGB data of this anti-counterfeiting mark, obtain
Obtain the inverse RGB data of anti-counterfeiting mark, can will have the color data of the anti-counterfeiting mark of colored continuous tone.
Passed through this inverse RGB data more stealthy with the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd
The mapping table of the ink site ratio of fluorescent ink, by the first concealed fluorescent ink, the second concealed fluorescent
Ink and the 3rd concealed fluorescent ink are superimposed upon on carrier formation concealed fluorescent ink logo according to a certain ratio,
I.e. can get invisible anti-counterfeit mark.Invisible anti-counterfeit mark prepared by the method excites at the light of preset wavelength scope
Under can present multiple color, it is possible to preparation has the invisible anti-counterfeit mark of colored continuous tone.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of the invisible anti-counterfeit mark of an embodiment；
Fig. 2 is the flow chart of the operation of the calibration chromatography of an embodiment；
Fig. 3 is the schematic diagram of the printing registration mark of an embodiment；
Fig. 4 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy first pattern
Figure；
Fig. 5 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy second pattern
Figure；
Fig. 6 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 3rd pattern
Figure；
Fig. 7 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 4th pattern
Figure；
Fig. 8 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 5th pattern
Figure；
Fig. 9 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 6th pattern
Figure；
Figure 10 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 7th pattern
Figure；
Figure 11 is the light signal under the ultraviolet excitation that wavelength is 200nm～400nm of stealthy 8th pattern
Figure；
Figure 12 is the flow chart of the operation of the plate making of an embodiment；
Figure 13 is the schematic diagram of the image of the anti-counterfeiting mark of an embodiment；
Figure 14 is the schematic diagram of the inverse image of anti-counterfeiting mark as shown in fig. 13 that；
Figure 15 is the spectrogram exciting front ultraviolet light in embodiment 1；
Figure 16 is the spectrogram after ultraviolet excitation of the invisible anti-counterfeit mark in embodiment 1；
Figure 17 is the schematic diagram of the image of the anti-counterfeiting mark of another embodiment；
Figure 18 is the schematic diagram of the inverse image of anti-counterfeiting mark as shown in figure 17.
Detailed description of the invention
Mainly in combination with accompanying drawing, the preparation method of invisible anti-counterfeit mark is described in further detail below.
As it is shown in figure 1, the preparation method of the invisible anti-counterfeit mark of an embodiment, comprise the following steps
S110～S160.
S110, the RGB data of acquisition anti-counterfeiting mark.
Anti-counterfeiting mark (also referred to as anti-false sign) can be to have the image of definite shape, pattern or word etc.,
Can also be image, pattern and literary composition combinatorics on words.Concrete, image refers to have continuous versicolor colour
Figure, pattern refers to have effigurate figure.Can be such as the LOGO etc. of brand, anti-counterfeiting mark can be by factory
The unique image in the definition world of business side etc..
Rgb color pattern is a kind of color standard, by red (R), green (G), blue (B) three Color Channels
Change and their superpositions each other can obtain color miscellaneous.RGB be i.e. represent red
(R), green (G), the color of blue (B) three passages, this standard almost includes the energy perception of human eyesight institute
All colours.
What RGB data was corresponding is to red (R), green (G), the color value of blue (B) passage.If such as one district
The color in territory is white, and RGB data corresponding to this region is RGB (255,255,255).If one
The color in region is black, and RGB data corresponding to this region is RGB (0,0,0).One for another example
The color in region is red, and RGB data corresponding to this region is RGB (255,0,0).Due to red,
Essential colour for not decomposing again in color green, blue, therefore, red, green, blue is also referred to as three primary colors, passes through
Three primary colors can go out, with superposition, the color that nature is most absolutely.
Concrete, the RGB data of anti-counterfeiting mark, such as Adobe can be obtained by computer software
Photoshop software, Adobe Illustrator software etc..
In present embodiment, can be by the 0 of anti-counterfeiting mark～255 class's rgb image datas, by changing
To the RGB invisible printing ink dot data that anti-counterfeiting mark is 0%～100%, improve precision.
Concrete, before obtaining the RGB data of anti-counterfeiting mark, anti-counterfeiting mark image can be transformed into maximum
The color space of the LAB pattern of colour gamut, then by " the Adobe RGB of Adobe Photoshop software
1998 " ICC Profile is transformed into the color space of the wide colour gamut of RGB.Certainly can also be to anti-counterfeiting mark
Brightness, contrast, saturation degree, definition are adjusted.
By obtaining the RGB data of anti-counterfeiting mark, can be by the color data of anti-counterfeiting mark, a pixel
A corresponding RGB data, RGB data is corresponding with invisible printing ink dot data, improve precision.
S120, the RGB data of conversion anti-counterfeiting mark, it is thus achieved that the inverse RGB data of anti-counterfeiting mark.
RGB data under the conditions of the negative case that inverse RGB data is the most corresponding, the first concealed fluorescent ink,
When second concealed fluorescent ink and the 3rd concealed fluorescent ink three's printing ink concentration are 100% carrying
Just can build up white light in the case of being overlapped mutually on thing, need to be converted into anti-the RGB data of anti-counterfeiting mark
Look RGB data.Inverse RGB data is corresponding with the ink site ratio forming invisible anti-counterfeit mark, thus
Form the concealed anti-false pattern of continuous tone change.
Concrete, the RGB data of anti-counterfeiting mark is changed by the principle of coloured light additive process.In present embodiment,
The RGB data using white colour deducts the RGB data of anti-counterfeiting mark, it is thus achieved that the inverse RGB of anti-counterfeiting mark
Data.
The RGB data such as defining white colour is RGB (255,255,255), if a field color
RGB data is RGB (200,105,100), the inverse RGB data of the anti-counterfeiting mark obtained after conversion
For (55,150,155).Certainly, the RGB of white colour can also be adjusted in other embodiments as required
Data, such as by the RGB data etc. of RGB (254,253,255) definition white colour.
S130, provide the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink,
Wherein, the first concealed fluorescent ink is excited by the light of preset wavelength scope can show red light, and second is hidden
Shape fluorescent ink is excited by the light of preset wavelength scope can show green light, and the 3rd concealed fluorescent ink leads to
Cross the light of preset wavelength scope to excite and can show blue light.
By being able to show red light, green light and blue light the at the light of preset wavelength scope under exciting
One concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink, by difference ink site ratio
First concealed fluorescent ink of example, the second concealed fluorescent ink and the 3rd concealed fluorescent ink superposition, Ke Yixian
Existing different color.It should be noted that the first concealed fluorescent ink, the second concealed fluorescent herein are oily
" first ", " second " and " the 3rd " in ink and the 3rd concealed fluorescent ink is intended merely to the convenience of statement,
Effect can not be construed as limiting with this.
Concrete, the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink are concrete
Fluorescent chemicals is obtained through grinding for fluorescent pigment and macromolecule resin binder, solvent and auxiliary agent proportioning.
First concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink are transparent under visible light
, need under the photo-excitation conditions of preset wavelength scope, just can demonstrate corresponding color.
Concrete, the light of preset wavelength scope is specially the wavelength ultraviolet light at 200nm～400nm.First is hidden
Shape fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink at wavelength 200nm's～400nm
Under the irradiation of ultraviolet light, the energy of certain form can be absorbed and excitation photon, when photon efficiency is close to 100%,
Excite the visible ray sending 400nm～800nm wavelength.And when stopping ultraviolet source irradiation, this ink is luminous
Disappear.Further, the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink
According to forming invisible anti-counterfeit mark after proportion relation superposition on carrier, this invisible anti-counterfeit mark is at visible ray
Under be sightless, when under the irradiation at the ultraviolet light of 200nm～400nm, colored look continuously can be shown
The anti-counterfeiting mark adjusted.Certainly, the light of preset wavelength scope can also have other wave-length coverage, according to oil
The difference of ink shooting condition can adjust.Such as concealed fluorescent ink can excite, also under the conditions of infrared light
Can be as the light of preset wavelength scope using infrared light.
Further, the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink are purchased
From PRO-G METALLIC TECHNOLOGY WORKSHOP company, trade names is OS
Invisible Fluorescent INKS.This material safety is good, OSHA endanger communication standard 29CFR
1910.1200 be defined as non-dangerous article, environmental-protecting performance is preferable.
S140, the inverse RGB data obtaining anti-counterfeiting mark and the first concealed fluorescent ink, the second concealed fluorescent
The mapping table of the ink site ratio of ink and the 3rd concealed fluorescent ink.
Mapping table can be stored in advance in database, it is also possible to sets up application when.
Ink site ratio is from 0%～100%.Site ratio is the highest, represents the area ratio accounting for site of corresponding ink
The highest, quantity of ink during corresponding printing is the most.
Concrete, in mapping table, inverse RGB data includes inverse RGB red value, inverse RGB
Green value and inverse RGB blue valve.Inverse RGB red value and the ink site of the first concealed fluorescent ink
Ratio is linear, and the ink site ratio of inverse RGB green value and the second concealed fluorescent ink is linearly
Relation, the ink site ratio of inverse RGB blue valve and the 3rd concealed fluorescent ink is linear.More
Body, this linear relationship is inversely prroportional relationship.
In the mapping table of present embodiment, inverse RGB data (0,255,255), this inverse RGB
Data corresponding for red color pattern.Wherein inverse RGB data, first numeric representation inverse in bracket
RGB red value, second numeric representation inverse RGB green value in bracket, second numerical value in bracket
Represent inverse RGB blue valve.Proportioning corresponding to this inverse RGB data be ink site ratio be 100%
First concealed fluorescent ink, ink site ratio be 0% the second concealed fluorescent ink and ink site ratio be
The 3rd concealed fluorescent ink of 0%.I.e. red color pattern only ink site ratio be 100% first stealthy glimmering
Ink is formed.
Inverse RGB data (255,0,255), this inverse RGB data corresponding for green color pattern.
Proportioning corresponding to this inverse RGB data be ink site ratio be the first concealed fluorescent ink, the ink of 0%
Site ratio is the second concealed fluorescent ink of 100% and ink site ratio is 0% the 3rd concealed fluorescent oil
Ink.The greenest color pattern only ink site ratio is the second concealed fluorescent ink formation of 100%.
Inverse RGB data (255,255,0), this inverse RGB data corresponding for blue color pattern.
Proportioning corresponding to this inverse RGB data be ink site ratio be the first concealed fluorescent ink, the ink of 0%
Site ratio is the second concealed fluorescent ink of 0% and ink site ratio is 100% the 3rd concealed fluorescent oil
Ink.I.e. blue color pattern only ink site ratio is the 3rd concealed fluorescent ink formation of 100%.
Inverse RGB data (0,0,0), this inverse RGB data corresponding for white colour pattern.This is anti-
Proportioning corresponding to look RGB data be ink site ratio be the first concealed fluorescent ink, the ink net of 100%
Point ratio is the second concealed fluorescent ink of 100% and ink site ratio is 100% the 3rd concealed fluorescent oil
Ink.I.e. white colour pattern can be the 100% the first concealed fluorescent ink, ink site ratios by ink site ratio
It is the 100% the second concealed fluorescent ink and ink site ratio is that 100% the 3rd concealed fluorescent ink is sequentially overlapped
Formed.
Inverse RGB data (128,128,128), this inverse RGB data corresponding for ash color pattern.
Proportioning corresponding to this inverse RGB data be ink site ratio be the first concealed fluorescent ink, the ink of 50%
Site ratio is the second concealed fluorescent ink of 50% and ink site ratio is 50% the 3rd concealed fluorescent oil
Ink.I.e. ash color pattern is that the 50% the first concealed fluorescent ink, ink site ratio are by ink site ratio
50% the second concealed fluorescent ink and ink site ratio are that 50% the 3rd concealed fluorescent ink is sequentially overlapped formation.
Inverse RGB data (0,0,255), this inverse RGB data corresponding for yellow color pattern.Should
Printing oil proportion corresponding to inverse RGB data be ink site ratio be 100% the first concealed fluorescent ink and
Ink site ratio is the second concealed fluorescent ink of 100%.I.e. yellow color pattern by ink site ratio is
The first concealed fluorescent ink of 100% and the second concealed fluorescent ink superposition shape that ink site ratio is 100%
Become.
Inverse RGB data (0,255,0), this inverse RGB data corresponding for magenta color pattern.
Printing oil proportion corresponding to this inverse RGB data be ink site ratio be the first concealed fluorescent ink of 100%
With the 3rd concealed fluorescent ink that ink site ratio is 100%.I.e. magenta color pattern is by ink site ratio
It is the first concealed fluorescent ink of 100% and the 3rd concealed fluorescent ink superposition that ink site ratio is 100%
Formed.
Inverse RGB data (255,0,0), this inverse RGB data corresponding for blue or green color pattern.Should
Printing oil proportion corresponding to inverse RGB data be ink site ratio be 100% the second concealed fluorescent ink and
Ink site ratio is the 3rd concealed fluorescent ink of 100%.I.e. blue or green color pattern by ink site ratio is
The second concealed fluorescent ink of 100% and the 3rd concealed fluorescent ink superposition shape that ink site ratio is 100%
Become.
Owing to inverse RGB data includes inverse RGB red value, inverse RGB green value and inverse RGB
Blue valve, inverse RGB red value, inverse RGB green value are hidden with first respectively with inverse RGB blue valve
The ink site ratio of shape fluorescent ink, the ink site ratio of the second concealed fluorescent ink and the 3rd are stealthy
The ink site ratio of fluorescent ink is linear.Inverse RGB data according to anti-counterfeiting mark is hidden with first
The corresponding pass of the ink site ratio of shape fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink
It it is table, it is possible to obtain the ink site ratio that the inverse RGB data of random color is corresponding.
Obtain after inverse RGB data, the inverse RGB data of this anti-counterfeiting mark can be exported " R ", " G ",
" B " three Spot Channels preserve.It is specially to preserve and leads to containing named " R ", " G ", " B " spot color
The image of the multi-channel mode in road.Spot Channel such as can be divided to save as the EPS (Encapsulated containing spot color
Post Script) file, in order to next time uses.During making, the file of this spot color can be inserted Indesign,
The softwares such as Illustrator, CorelDRAW are designed making.
S150, on carrier, form concealed fluorescent ink logo according to mapping table, obtain concealed anti-false
Mark.
Stealthy with the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd glimmering according to inverse RGB data
The mapping table of the ink site ratio of ink, the inverse RGB data that can obtain random color is corresponding
Ink site ratio.
The inverse RGB data in the region such as obtaining anti-counterfeiting mark is (102,51,153), according to
Mapping table, it is thus achieved that proportioning corresponding to this inverse RGB data be ink site ratio be 60% the first stealthy
Fluorescent ink, ink site ratio are the 80% the second concealed fluorescent ink and ink site ratio is 40% the 3rd
Concealed fluorescent ink.Will ink site ratio be 60% the first concealed fluorescent ink, ink site ratio
Be 80% the second concealed fluorescent ink and the 3rd concealed fluorescent ink that ink site ratio is 40% hold successively
It is imprinted on carrier, the color pattern that inverse RGB data is (102,51,153) correspondence can be obtained.
Concrete, according to mapping table formed on carrier concealed fluorescent ink logo operation specifically,
According to mapping table, by the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent oil
Ink forms concealed fluorescent ink logo by the way of printing, printing or spray on carrier.
In present embodiment, the mode of printing is used to form concealed fluorescent ink logo on carrier.Certainly,
During phase prepares before printing, can first printing path to concealed fluorescent ink, as clear in forme, ink roller, unit
Wash clean, or use special ink roller, the infiltration of other colored ink stopping trace with this, affect printing
Presentation quality and antifalse effect.
In present embodiment, on carrier, form the operation of concealed fluorescent ink logo according to mapping table
Before, being additionally included on carrier one layer of base ink layer of formation, base ink layer is by the ink shape of white colour
Become.The ink of white colour refers specifically under visible light conditions in white colour.It is being printed on the carrying of base ink layer
Thing forms concealed fluorescent ink logo, is conducive to improving fluorescent effect, strengthens the definition of invisible anti-counterfeit mark.
Especially for colored or transparent carrier, first print the ink layer of one layer of white colour, be conducive to improving
Fluorescent effect.
In present embodiment, the surface roughness of carrier is more than or equal to 1.2 μm.Surface roughness more than or
Good equal to the carrier absorbability of 1.2 μm, residue in ink is less floats on top layer, invisible anti-counterfeit mark
Trace be difficult to be easily visible to the naked eye.Further, carrier can be paper, plastic cement, nylon, resin,
The material such as metal or glass.Resin can be ABS (acrylonitrile-butadiene-styrene copolymer resin), PET
(polyethylene terephthalate) or PP (acrylic resin) etc..For surface roughness less than 1.2 μm
Carrier, the mode of oil or the covering such as overlay film can be taked to eliminate or alleviate trace.
It should be noted that step is not limited to take said sequence in the preparation method of above-mentioned invisible anti-counterfeit mark,
Can also be adjusted as required.Such as step S130 can also be carried out before S110.
In present embodiment, on carrier, form the operation of concealed fluorescent ink logo according to mapping table
Before, also include the operation calibrating chromatography, as in figure 2 it is shown, the operation bag of the calibration chromatography of an embodiment
Include following steps: S210～S260.
S210, provide printing registration mark, printing registration mark include separate the first pattern, second
Pattern, the 3rd pattern and the 4th pattern, the color correspondence of the first pattern is formed by the first concealed fluorescent ink,
The color correspondence of the second pattern is formed by the second concealed fluorescent ink, and the color of the 3rd pattern is corresponding hidden by the 3rd
Shape fluorescent ink is formed, and the color of the 4th pattern is corresponding by the first concealed fluorescent ink, the second concealed fluorescent oil
Ink and the 3rd concealed fluorescent ink superposition are formed.
Printing registration mark can have previously been stored in database, it is also possible to sets up when needing.Tool
Body, the corresponding first concealed fluorescent ink of the color of the first pattern is formed, and the color of the second pattern is corresponding by the
Two concealed fluorescent ink are formed, and the color correspondence of the 3rd pattern is formed by the 3rd concealed fluorescent ink, the 4th figure
The color correspondence of case is folded by the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink
Add formation.
In present embodiment, refer to Fig. 3, printing registration mark 10 include separate the first pattern 110,
Second pattern the 120, the 3rd pattern 130 and the 4th pattern 140.The color of the first pattern 110 can be beauty
Look, the color of the first pattern 110 is corresponding is that the 100% the first concealed fluorescent ink are formed by ink site ratio.
The color of the second pattern 120 can be green color, and the color of the second pattern 120 is corresponding by ink site ratio
It is that the 100% the second concealed fluorescent ink are formed.The color of the 3rd pattern 130 can be blue color, the 3rd pattern
The color of 130 is corresponding is that 100% the 3rd concealed fluorescent ink is formed by ink site ratio.4th pattern 140
Color can be white colour, the color of the 4th pattern 140 is corresponding is the first of 100% by ink site ratio
Concealed fluorescent ink, ink site ratio be 100% the second concealed fluorescent ink and ink site ratio be
The 3rd concealed fluorescent ink of 100% is formed.
In present embodiment, first pattern the 110, second pattern the 120, the 3rd pattern 130 is line style,
First pattern the 110, second pattern the 120, the 3rd pattern 130 is sequentially connected with, and the 4th pattern 140 is middle
Circle.
Preparation includes separate the first pattern, the second pattern, the 3rd pattern and the print nest of the 4th pattern
Fiducial mark is known, and can detect the first concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent oil simultaneously
The ink site ratio of ink.Further, can determine whether that spray, print or print sets by the 4th pattern
Standby position is the most accurate.
Further, printing registration mark 10 also include separate the 5th pattern the 150, the 6th pattern 160,
7th pattern 170 and the 8th pattern 180.5th pattern 150 one end is connected with the 3rd pattern 130, the other end
It is connected with the first pattern 110.First pattern the 110, second pattern the 120, the 3rd pattern 130 and the 5th pattern
150 connect the outer circle of formation.6th pattern the 160, the 7th pattern 170 and the 8th pattern 180 are respectively and intert
Three straight lines on circle.The color of the 5th pattern 140 can be ash color, the color of the 5th pattern 150
Corresponding is the second of 50% by the first concealed fluorescent ink that ink site ratio is 50%, ink site ratio
Concealed fluorescent ink and the 3rd concealed fluorescent ink that ink site ratio is 50% are formed.6th pattern 160
Color can be yellow color, the color of the 6th pattern 160 is corresponding is the first of 100% by ink site ratio
Concealed fluorescent ink and the second concealed fluorescent ink that ink site ratio is 100% are formed.7th pattern 170
Color can be magenta color, and the color of the 7th pattern 170 is corresponding is the first of 100% by ink site ratio
Concealed fluorescent ink and the 3rd concealed fluorescent ink that ink site ratio is 100% are formed.8th pattern 180
Color can be cyan, the color of the 8th pattern 180 is corresponding hidden by second that ink site ratio is 100%
Shape fluorescent ink and the 3rd concealed fluorescent ink that ink site ratio is 100% are formed.
Printing registration mark 10 farther include separate the 5th pattern 150, the 6th pattern 160, the
Seven pattern 170 and the 8th patterns 180, can detect the first concealed fluorescent ink, the second concealed fluorescent oil further
Ink and the 3rd concealed fluorescent ink ink trapping are the most qualified, and the equipment judging spraying, printing or print
Position the most accurate.
S220, the RGB data of acquisition printing registration mark.
The operation of the RGB data obtaining printing registration mark can be with the RGB data of acquisition anti-counterfeiting mark
Operation is similar.Concrete, the RGB data of printing registration mark can be obtained by computer software, such as
Adobe Photoshop software, Adobe Illustrator software etc..
S230, the RGB data of conversion printing registration mark, it is thus achieved that the inverse RGB number of printing registration mark
According to.
The operation of the RGB data of conversion printing registration mark can be with the RGB data of conversion anti-counterfeiting mark
Operation is similar.It is specifically as follows the RGB data being changed printing registration mark by the principle of coloured light additive process.
The RGB data using white colour in present embodiment deducts the RGB data of printing registration mark, it is thus achieved that print
The inverse RGB data of brush Register Mark.
S240, the inverse RGB data obtaining printing registration mark and the first concealed fluorescent ink, the second stealth
The mapping table of the ink site ratio of fluorescent ink and the 3rd concealed fluorescent ink.
This mapping table can with the inverse RGB data of anti-counterfeiting mark and the first concealed fluorescent ink, second
The mapping table of the ink site ratio of concealed fluorescent ink and the 3rd concealed fluorescent ink is identical.
Mapping table can be stored in advance in database, it is also possible to sets up application when.
Concrete, in mapping table, inverse RGB data includes that inverse RGB red value, inverse RGB are green
Colour and inverse RGB blue valve.The ink site ratio of inverse RGB red value and the first concealed fluorescent ink
Example is linear, and the ink site ratio of inverse RGB green value and the second concealed fluorescent ink is linearly closed
System, the ink site ratio of inverse RGB blue valve and the 3rd concealed fluorescent ink is linear.
S250, on carrier, form stealthy printing registration mark according to mapping table.
The method of formation stealthy printing registration mark is identical, specifically with the operating procedure forming invisible anti-counterfeit mark
By the way of printing, printing or spray, stealthy printing registration can be formed on carrier to identify.
S260, under the photo-excitation conditions of preset wavelength scope, judge that described stealthy printing registration identifies with described
Printing registration identifies whether unanimously, if it is not, adjust the printing machine equipment forming described stealthy printing registration mark
Relative position.
Judge that stealthy printing registration mark identifies whether that with printing registration consistent being specially judges stealthy printing registration
It is the most accurate to the printing registration relevant colour cell double exposure of mark to identify.Described stealthy print nest is formed if it is not, adjust
The relative position of the printing machine equipment that fiducial mark is known.It is specially regulation and adjusts the printing machine equipment of printing registration mark
The relative position of each colour cell, colour cell specifically includes red colour cell, green colour cell and blue colour cell, until phase
Till pass colour cell double exposure is accurate.
After forming stealthy printing registration mark, swashed by the ultraviolet light of default wavelength such as 200nm～400nm
Send out, can show that printing registration identifies.Due to stealthy printing registration mark corresponding include separate stealth
First pattern, stealthy second pattern, stealthy 3rd pattern and stealthy 4th pattern.Detect stealthy first pattern
The most consistent, i.e. can determine whether the ink site ratio of the first concealed fluorescent ink and form stealthy print nest fiducial mark
The position of the equipment known is the most qualified.Stealthy first pattern is at the ultraviolet excitation that wavelength is 200nm～400nm
Under light schematic diagram as shown in Figure 4, the first concealed fluorescent ink 1001 is layered in shape on printing medium 100
Become stealthy first pattern, under ultraviolet light irradiates, inspire single ruddiness.If the most single ruddiness, then
Illustrate that the first concealed fluorescent ink is qualified, otherwise, adjust the ink of the first concealed fluorescent ink on the printer
Amount.If the first pattern is a curve in printing registration mark, stealthy printing registration mark detected accordingly
In stealth the first pattern corresponding be also curve, then explanation forms the position of equipment of stealthy printing registration mark
It is qualified to put.Otherwise, the position of the equipment forming stealthy printing registration mark is adjusted.Stealthy second pattern is at ripple
Light schematic diagram under the ultraviolet excitation of a length of 200nm～400nm is as it is shown in figure 5, the second concealed fluorescent is oily
Ink 1002 is layered on printing medium 100 and forms stealthy second pattern, inspires single under ultraviolet light irradiates
Green glow.Accordingly, detect stealthy second pattern the most consistent, i.e. can determine whether the second concealed fluorescent ink
The position of the equipment of quantity of ink and formation stealthy printing registration mark is the most qualified.Stealthy 3rd pattern is at wavelength
For the light schematic diagram under the ultraviolet excitation of 200nm～400nm as shown in Figure 6, the 3rd concealed fluorescent ink
1003 are layered on printing medium 100 stealthy 3rd pattern of formation, inspire single under ultraviolet light irradiates
Blue light.Stealthy 3rd pattern of detection is the most consistent, i.e. can determine whether quantity of ink and the shape of the 3rd concealed fluorescent ink
The position becoming the equipment of stealthy printing registration mark is the most qualified.Stealthy 4th pattern at wavelength is
Light schematic diagram under the ultraviolet excitation of 200nm～400nm is as it is shown in fig. 7, the first concealed fluorescent ink
1001, the second concealed fluorescent ink 1002 and the 3rd concealed fluorescent ink 1003 are layered in printing medium 100
Stealthy 4th pattern of upper formation, inspires white light under ultraviolet light irradiates.Detect the 4th pattern the most consistent,
I.e. can determine whether the first concealed fluorescent ink, the second concealed fluorescent ink and the quantity of ink of the 3rd concealed fluorescent ink
And the position of the equipment of formation stealthy printing registration mark is the most qualified.Such as, if equipment offsets, the
One concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink can not stacking, then the 4th figures
Case may show the light of three kinds of different colors rather than single white light.Now adjustable stealth is printed
The position of the equipment of Register Mark.
Further, stealthy 5th pattern light under the ultraviolet excitation that wavelength is 200nm～400nm shows
Being intended to as shown in Figure 8, ink site ratio is the first concealed fluorescent ink 1001, the ink site ratio of 50%
Example is the second concealed fluorescent ink 1002 of 50% and the 3rd concealed fluorescent ink that ink site ratio is 50%
1003 are layered on printing medium 100 stealthy 5th pattern of formation, inspire ash coloured light under ultraviolet light irradiates.
Stealthy 6th pattern light schematic diagram such as Fig. 9 institute under the ultraviolet excitation that wavelength is 200nm～400nm
Showing, the first concealed fluorescent ink 1001 and the second concealed fluorescent ink 1002 are layered on printing medium 100
Form stealthy 6th pattern, under ultraviolet light irradiates, inspire sodium yellow.Stealthy 7th pattern at wavelength is
Light schematic diagram under the ultraviolet excitation of 200nm～400nm as shown in Figure 10, the first concealed fluorescent ink
1001 and the 3rd concealed fluorescent ink 1003 be layered on printing medium 100 stealthy 7th pattern of formation, at purple
Outer light inspires pinkish red coloured light under irradiating.Stealthy 8th pattern swashs at the ultraviolet light that wavelength is 200nm～400nm
The light schematic diagram given as shown in figure 11, the second concealed fluorescent ink 1002 and the 3rd concealed fluorescent ink
1003 are layered on printing medium 100 stealthy 8th pattern of formation, inspire cyan light under ultraviolet light irradiates.
The anti-counterfeiting mark prepared is sightless under normal lighting conditions, only in default wavelength example
As the most visible under the ultraviolet light of 200nm～400nm.And if be placed in for a long time in operating under the light of default wavelength,
Health may be worked the mischief.The most typically carry out under normal illumination,
The concealed fluorescent ink logo now formed is sightless, it is easy to cause error.Forming concealed fluorescent
Carry out before ink logo calibrating chromatography, by calibrating the operation of chromatography, be conducive to finding ink in advance or setting
The problem of standby position, thus adjust in time, improve the false proof accuracy of preparation, reduction in the numbers of seconds.
In present embodiment, the RGB data of conversion anti-counterfeiting mark, it is thus achieved that the inverse RGB number of anti-counterfeiting mark
According to operation after, also include the operation of plate making, as shown in figure 12, the plate making of an embodiment
Comprise the following steps S310～S320.
S310, to obtaining the anti-counterfeiting mark am screening after inverse RGB data or fm screening, formation has
The image of site array.
Concrete, the amplitude modulation net of 200 netting twines～250 netting twines can be used to form the image with site array.
Netting twine refers to the number of the accommodated neighbour node line of centres, and netting twine is the highest, and image is the finest.Or can also
Using the fm screening of 21 microns, fm screening can improve the hi-fi of anti-counterfeiting image.
Wherein, the angle of the angle of halftone screen line of the angle of halftone screen line of site array medium green color and red color in am screening
Degree difference is 25 °～35 °, and the angle of halftone screen line of blue color is 25 °～35 ° with the differential seat angle of the angle of halftone screen line of green color.
Angle of halftone screen line refers to the angle of the neighbour node line of centres and datum line.Concrete, the site of green color
Angle is 30 ° with the differential seat angle of the angle of halftone screen line of red color, the angle of halftone screen line of blue color and the angle, site of green color
The differential seat angle of degree is 30 °.
In present embodiment, the angle of halftone screen line of red color is 15 °, and the angle of halftone screen line of green color is 45 °, Lan Yan
The angle of halftone screen line of look is 75 °.The angle of halftone screen line of red color, green color and blue color forms certain differential seat angle,
Can ensure that printing process does not goes out " moire ", improve antifalse effect.
S320, the image with site array is printed on sheet material, obtain forme.
After obtaining having the image of site array, image can be exported, such as, can be 2400dpi (dpi, dot
The abbreviation of per inch, refers to counting in per inch length) 1bit tiff (tiff, tag image file format
Write a Chinese character in simplified form) bitmap images.Image is beaten by the mode eventually passing offset plate making, screen printing or convex printing version
Print to sheet material, obtain forme.
Repeatable duplication after obtaining forme, it is achieved batch production invisible anti-counterfeit mark.
The preparation method of above-mentioned invisible anti-counterfeit mark, by this inverse RGB data and the first concealed fluorescent ink,
The mapping table of the ink site ratio of the second concealed fluorescent ink and the 3rd concealed fluorescent ink, by first
Concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink be superimposed upon on carrier formed hidden
Shape fluorescent ink pattern, i.e. can get invisible anti-counterfeit mark.By the inverse RGB data and three of anti-counterfeiting mark
The ink site ratio planting concealed fluorescent ink coordinates, and the invisible anti-counterfeit mark formed on carrier is being preset
The light of wave-length coverage excites down and can present multiple color, it is possible to preparation has the stealth of colored continuous tone and prevents
Pseudo-mark.The invisible anti-counterfeit mark color of preparation is saturated, is methodically arranged, and image effect is good.This stealth is prevented
The preparation method of pseudo-mark can be widely used in currency, bill, card, cigarette, wine, medicine and cosmetics
Label, packaging or specification etc. have on the printed matter of higher false proof requirement and prepare invisible anti-counterfeit mark.
It it is below specific embodiment part.
If no special instructions, the experimental technique of unreceipted actual conditions, generally according to conventional strip for following example
Part.
Embodiment 1
Thering is provided pre-prepared anti-counterfeiting mark, in the present embodiment, the image of anti-counterfeiting mark is as shown in figure 13, to false proof
The brightness of image, contrast, saturation degree and definition are adjusted.Regional is obtained by computer
The RGB data of anti-counterfeiting mark.RGB data RGB (255,255,255) using white colour deducts
The RGB data of anti-counterfeiting mark, it is thus achieved that the inverse RGB data of anti-counterfeiting mark, the anti-counterfeiting mark obtained anti-
Color image is as shown in figure 14.To the anti-counterfeiting mark am screening after acquisition inverse RGB data, red color
Angle of halftone screen line is 15 °, and the angle of halftone screen line of green color is 45 °, and the angle of halftone screen line of blue color is 75 °.To have
The image of site array obtains forme after printing to sheet material.Inverse RGB data according to anti-counterfeiting mark and the
The ink site ratio of one concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink right
Answer relation table.In this mapping table, inverse RGB data includes inverse RGB red value, inverse RGB
Green value and inverse RGB blue valve, inverse RGB red value and the ink site of the first concealed fluorescent ink
Ratio is inverse proportion linear relationship, the ink site ratio of inverse RGB green value and the second concealed fluorescent ink
In inverse proportion linear relationship, the ink site ratio of inverse RGB blue valve and the 3rd concealed fluorescent ink is in instead
Proportional linear relationship.When inverse RGB red value is 0, the ink site of the first corresponding concealed fluorescent ink
Ratio is 100%, when inverse RGB red value is 255, and the ink net of the first corresponding concealed fluorescent ink
Point ratio is 0%.Accordingly, when inverse RGB green value is 0, the second corresponding concealed fluorescent ink
Ink site ratio is 100%, when inverse RGB green value is 255, and the second corresponding concealed fluorescent ink
Ink site ratio be 0%.When inverse RGB blue valve is 0, the 3rd corresponding concealed fluorescent ink
Ink site ratio is 100%, when inverse RGB blue valve is 255, and the 3rd corresponding concealed fluorescent ink
Ink site ratio be 0%.Carrying out calibrating the operation of chromatography before printing, the pattern of printing registration mark please be joined
Read Fig. 3, sentence under the photo-excitation conditions of 200nm～400nm wave-length coverage after preparation stealthy printing registration mark
It is the most accurate that disconnected stealthy printing registration mark identifies relevant colour cell double exposure to printing registration.If consistent, Ji Kegen
On carrier, concealed fluorescent ink logo is formed according to mapping table.If inconsistent, adjust and form stealth print
Further according to mapping table in carrying behind the position of the equipment of brush Register Mark, or adjustment ink site ratio
Concealed fluorescent ink logo is formed on thing.Invisible anti-counterfeit mark excites at the light of 200nm～400nm wave-length coverage
Under present consistent with the pattern color of pre-prepared anti-counterfeiting mark.The invisible anti-counterfeit mark prepared exists
The light of 200nm～400nm wave-length coverage excite before and after spectrogram result as shown in Figure 15 and Figure 16.Figure 15
For exciting the spectrogram of front ultraviolet light, Figure 16 is the spectrogram of invisible anti-counterfeit mark after ultraviolet excitation.Can
Knowing, entering and irradiate under 200nm～400nm length ultraviolet light source, invisible anti-counterfeit mark absorbs the energy of certain form
And excitation photon, excite the visible ray sending 400nm～800nm wavelength.And when stopping ultraviolet source irradiation,
Invisible anti-counterfeit mark luminescence disappears.Thus play good antifalse effect.
Embodiment 2
Thering is provided pre-prepared anti-counterfeiting mark, in the present embodiment, the image of anti-counterfeiting mark is as shown in figure 17, to false proof
The brightness of image, contrast, saturation degree and definition are adjusted.Regional is obtained by computer
The RGB data of anti-counterfeiting mark.RGB data RGB (255,255,255) using white colour deducts
The RGB data of anti-counterfeiting mark, it is thus achieved that the inverse RGB data of anti-counterfeiting mark, the anti-counterfeiting mark obtained anti-
Color image is as shown in figure 18.The operation preparing invisible anti-counterfeit mark is same as in Example 1.The concealed anti-false of system
Irradiating under mark 200nm～400nm length ultraviolet light source, invisible anti-counterfeit mark absorbs the energy of certain form and swashs
Luminous son, excites the visible ray sending 400nm～800nm wavelength.And the invisible anti-counterfeit mark of preparation exists
The light of 200nm～400nm wave-length coverage excite down present consistent with the pattern color of former anti-counterfeiting mark.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. the preparation method of an invisible anti-counterfeit mark, it is characterised in that comprise the steps:
Obtain the RGB data of anti-counterfeiting mark；
Change the RGB data of described anti-counterfeiting mark, it is thus achieved that the inverse RGB data of described anti-counterfeiting mark；
First concealed fluorescent ink, the second concealed fluorescent ink and the 3rd concealed fluorescent ink is provided, wherein,
Described first concealed fluorescent ink is excited by the light of preset wavelength scope can show red light, described second
Concealed fluorescent ink is excited by the light of preset wavelength scope can show green light, described 3rd concealed fluorescent
Ink is excited by the light of preset wavelength scope can show blue light；
Obtain the inverse RGB data of described anti-counterfeiting mark and described first concealed fluorescent ink, described second hidden
The mapping table of the ink site ratio of shape fluorescent ink and described 3rd concealed fluorescent ink；And
On carrier, form concealed fluorescent ink logo according to described mapping table, obtain concealed anti-false mark
Know.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described
Form the operation of concealed fluorescent ink logo on carrier according to described mapping table before, also include calibration
The operation of chromatography, the operation of described calibration chromatography comprises the steps:
Offer printing registration identifies, and described printing registration mark includes separate the first pattern, the second figure
Case, the 3rd pattern and the 4th pattern, the color of described first pattern is corresponding by described first concealed fluorescent ink
Being formed, the color correspondence of described second pattern is formed by described second concealed fluorescent ink, described 3rd pattern
Color correspondence is formed by described 3rd concealed fluorescent ink, the color of described 4th pattern correspondence is by described the
Formed after one concealed fluorescent ink, described second concealed fluorescent ink and described 3rd concealed fluorescent ink superposition；
Obtain the RGB data of described printing registration mark；
Change the RGB data of described printing registration mark, it is thus achieved that the inverse RGB of described printing registration mark
Data；
Obtain inverse RGB data and the described first concealed fluorescent ink of described printing registration mark, described the
The mapping table of the ink site ratio of two concealed fluorescent ink and described 3rd concealed fluorescent ink；
On carrier, stealthy printing registration mark is formed according to described mapping table；And
Described stealthy printing registration mark and described print nest is judged under the photo-excitation conditions of preset wavelength scope
Standard identifies whether unanimously, if it is not, adjust the relative of the printing machine equipment of the described stealthy printing registration mark of formation
Position.
The preparation method of invisible anti-counterfeit mark the most according to claim 2, it is characterised in that described print
Brush Register Mark also includes separate the 5th pattern, the 6th pattern, the 7th pattern and the 8th pattern, institute
The color stating the 5th pattern is corresponding by the described first concealed fluorescent ink that ink site ratio is 50%, ink
Site ratio be 50% described second concealed fluorescent ink and ink site ratio be 50% described 3rd hidden
Formed after shape fluorescent ink superposition；The color of described 6th pattern is corresponding by described in ink site ratio 100%
Formed after the described second concealed fluorescent ink superposition of the first concealed fluorescent ink and ink site ratio 100%；
The color of described 7th pattern is corresponding by described first concealed fluorescent ink and the oil of ink site ratio 100%
Formed after the described 3rd concealed fluorescent ink superposition of ink site ratio 100%；The color pair of described 8th pattern
Should be by described in the described second concealed fluorescent ink of ink site ratio 100% and ink site ratio 100%
Formed after 3rd concealed fluorescent ink superposition.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described right
Answering in relation table, described inverse RGB data includes inverse RGB red value, inverse RGB green value and anti-
Look RGB blue valve, the ink site ratio of described inverse RGB red value and described first concealed fluorescent ink
Example is linear, described inverse RGB green value and the ink site ratio of described second concealed fluorescent ink
Linear, the ink site ratio of described inverse RGB blue valve and described 3rd concealed fluorescent ink in
Linear relationship.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described turn
Change described RGB data, it is thus achieved that the operation of the inverse RGB data of described anti-counterfeiting mark is particularly as follows: use white
The RGB data of color deducts the RGB data of described anti-counterfeiting mark, it is thus achieved that the inverse RGB of described anti-counterfeiting mark
Data.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described pre-
If the light of wave-length coverage is specially the wavelength ultraviolet light at 200nm～400nm.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described turn
Change the RGB data of described anti-counterfeiting mark, it is thus achieved that after the operation of the inverse RGB data of described anti-counterfeiting mark,
Also include that the operation of plate making, described plate making comprise the following steps:
To the described anti-counterfeiting mark am screening after the described inverse RGB data of acquisition or fm screening, form tool
There is the image of site array, and
The described image with site array is printed to sheet material, obtains forme.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described
Form the operation of concealed fluorescent ink logo on carrier according to described mapping table before, it is additionally included in institute
Stating one layer of base ink layer of formation on carrier, described base ink layer is formed by the ink of white colour.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described
On carrier, the operation of concealed fluorescent ink logo is formed specifically, according to described according to described mapping table
Mapping table, by described first concealed fluorescent ink, described second concealed fluorescent ink and described 3rd hidden
Shape fluorescent ink forms concealed fluorescent ink figure by the way of printing, printing or spray on described carrier
Case.
The preparation method of invisible anti-counterfeit mark the most according to claim 1, it is characterised in that described
The surface roughness of carrier is more than or equal to 1.2 μm.
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| CN113269289A (en) * | 2021-05-14 | 2021-08-17 | 北京印刷学院 | Method for generating multispectral composite anti-counterfeiting image and printed matter |
| CN113755057A (en) * | 2021-07-30 | 2021-12-07 | 哈尔滨工业大学（深圳） | Water-based fluorescent ink, preparation method thereof and application thereof in full-color printing and encryption anti-counterfeiting |
| CN114454635A (en) * | 2022-04-13 | 2022-05-10 | 中体彩印务技术有限公司 | Preparation method and system of anti-counterfeiting printed matter |
| CN114454635B (en) * | 2022-04-13 | 2022-06-17 | 中体彩印务技术有限公司 | Preparation method and system of anti-counterfeiting printed matter |
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Application publication date: 20160810 |