CN102806794A - Novel secure file - Google Patents
Novel secure file Download PDFInfo
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- CN102806794A CN102806794A CN2012103218502A CN201210321850A CN102806794A CN 102806794 A CN102806794 A CN 102806794A CN 2012103218502 A CN2012103218502 A CN 2012103218502A CN 201210321850 A CN201210321850 A CN 201210321850A CN 102806794 A CN102806794 A CN 102806794A
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- surface layer
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Abstract
The invention discloses a novel secure file, which comprises two layers or three layers of patterns. When the secure file comprises two layers of patterns, the bottom layer is subjected to offset printing, and the surface layer is subjected to letterpress printing; the bottom layer of the secure file gives out monochromatic light with the same color as that of the bottom layer under the excitation of infrared laser, while the surface layer gives out light visible to human eyes under the excitation of the infrared laser. When the secure file comprises three layers of patterns, both the bottom layer and the surface layer are subjected to offset printing, and the middle layer is subjected to letterpress printing; and the bottom layer or the surface layer of the secure file gives out monochromatic light with the same color as that of the bottom layer or the surface layer correspondingly under the excitation of the infrared laser. The novel secure file implements an infrared up-conversion fluorescent material by combining the offset printing and letterpress printing ways with the light-emitting characteristics of infrared up-conversion composite white light, gives out two kinds of different visible lights recognizable by human eyes under the excitation of the infrared light, and is difficult to imitate, strongly elusive and easy to distinguish anti-counterfeiting effects.
Description
Technical field
The present invention relates to field of anti-counterfeit technology, be specifically related to a kind of new type of safe file.
Background technology
Disclosed Chinese patent CN102205761A related to a kind of secure file with optic response characteristic in 2011; Said secure file contains the combination anti-fake material of one or more rare earth compounds; This secure file is through behind the ultraviolet excitation; Can launch infrared light, and disclose to detect whether have this anti-counterfeiting characteristic method hereof.This invention has the strong characteristics of false proof disguise, but anti-counterfeiting characteristic needs specific detecting instrument to discern.
The application in 2008 of German federal printing Co., Ltd; Disclosed Chinese patent CN101678696A related to a kind of secure file and/or value document that has safety element in 2011, and its safety element comprises at least two different being selected from and comprises following set of security features such as hologram, laser engraving, printing floral designs, fluorescence floral designs, luminous flower-pattern pattern, diffraction floral designs and photochromatic printing ink floral designs.Each security feature of secure file and/or value document has graphic structure accordingly; Wherein different security feature graphic structures on figure each other with the different layers that is arranged in secure file and/or value document or the mode in the identical layer and connect; Or superimposed with mode in the different layers that is arranged in secure file and/or value document each other, and the wherein overall expression of different security pattern image structure formation figure.This technology only is the simple superposition of different security features, and because it comprises two kinds of security features at least, so its realization needs higher cost.
The Chinese patent CN102164752A of Britain Delalu International Co., Ltd relates to improvement and a kind of method that is used to make this secure file in the secure file.The secure file of being processed by the cellulosic security substrate comprises at least one watermark and background wire mark pattern.But its at least one watermark comprises the pattern that at least one machine detects; And but the pattern that said at least one machine detects comprises the element that series of rules ground repeats, wherein the pitch of the element of pattern be chosen as be formed at substrate in the pitch of background wire mark pattern different and from every centimetre (5) to the scope of (100) individual element.This technological antifalse effect is not easy to discern through human eye, needs specific associated detector and the software of a cover.
The Chinese patent CN1993714A of Giesecke & Devrient GmbH relates to a kind of data medium; Particularly value document such as banknote, identification card etc.; It has safe unit, and this safe unit shows printed images and overlapping with printed images at least in part laser-marking.Safe unit also shows the laser modification district that overlaps with printed images at least in part, its recording laser sign, and revise in district and the printed images overlapping region at laser, the visual appearance of printed images is revised through the laser beam effect.The cost of the realization of this technology is quite expensive.
Summary of the invention
Deficiency to prior art exists the object of the present invention is to provide a kind of new type of safe file, and this secure file has the characteristics that quilt is imitated, disguise is strong and antifalse effect is discerned easily, cost is low that are difficult for.
The technical scheme that realizes objects of the present invention is following:
A kind of new type of safe file; This secure file is made up of two-layer or three layer patterns: (1) if be made up of two-layer pattern, then bottom is an offset printing, and surface layer is protruding seal printing; This secure file bottom one side excites down at infrared laser; Send the monochromatic light identical with primary colour, the surface layer one side then excites down at infrared laser, then sends the visible white light of human eye; (2) if be made up of three layer patterns, then bottom and surface layer are offset printing, and the intermediate layer is protruding seal printing, under infrared laser shooting condition of the bottom of this secure file or surface layer, and corresponding respectively sending and bottom or the identical monochromatic light of surface layer color.
Wherein, Protruding seal layer color in the secure file is white or colourless, and protruding seal layer printing area is not less than 1 square millimeter, is preferably more than 0.25 square centimeter; Protruding seal layer contains a kind of fluorescent material at least; Under this fluorescent material (is preferably 980nm) in the 700-1500nm scope the infrared laser shooting condition, send macroscopic CIE-X of people and CIE-Y value between 0.3-0.4, preferred CIE-X and CIE-Y value are 0.35 white light.Fluorescent material described in the secure file is a fluoride, one or more in sulfide, oxyhalide and the composite oxides, and above-claimed cpd contains two or more rare earth element at least, is preferably Ho, Er, Pr, Tm, Ce, Eu, Nd and Yb.
Offset printing layer in the said secure file can be the arbitrary color except that black, is preferably redness, blueness, green and yellow.
New type of safe file of the present invention, by through the two-layer or three layers of pattern that constitutes of offset printing and protruding seal printing, its bottom and surface layer excite time at infrared laser, send monochromatic light respectively with compound white light or send the monochromatic light identical with the surface layer color with bottom respectively.Compared with present technology, the present invention has realized a kind of infrared upconverting fluorescent material, under infrared ray excited; Send two kinds of people's naked eyes and can discern different visible light; Have the characteristics that quilt is imitated, disguise is stronger that more are difficult for, meanwhile, detector of the present invention adopts general infrared laser to get final product; Can differentiate with the naked eye that the anti-counterfeit recognition effect is obvious.
The specific embodiment
How further specify the present invention below in conjunction with embodiment realizes.
Embodiment 1
Infrared preparation of going up the conversion of white light materials A: respectively with 65 parts of Y (NO
3)
3, 3 parts of Yb (NO
3)
3, 5 parts of Er (NO
3)
3, 2 parts of Ho (NO
3)
3Tm (NO with 3 parts
3)
3Mix to add in the 300mL water and mix.Then under 50 ℃ of conditions, add NH4F to above-mentioned earth solution, be heated to 80 ℃ and stirred heavyization 2 hours, will sinking product centrifuge washing after the taking-up solid product put into oven for drying, taking-up, pulverizing.Pulverize the back and add 0.2 part of NaF, 0.01 part of LiCl, KF fully mixes in dry mill for 0.01 part, subsequently product is transferred to the nitrogen kiln roasting, and 5 ℃/min is warming up to 550 ℃, is incubated and obtains the infrared conversion of white light materials A that goes up after 5 hours.
Embodiment 2
Infrared preparation of going up the conversion of white light material B: take by weighing 100 parts of Y
2O
3, 6 parts of Pr
2O
3, 2 parts of Er
2O
3, 4 minutes Tm
2O
3MgF with 120 parts
2After mixing through ball-milling technology, under sulphur atmosphere protection condition,, be crushed to average grain diameter through air-flow again and promptly get the infrared conversion of white light material B that goes up below 10 microns in 1100 ℃ of sintering 2 hours.
Embodiment 3
A kind of infrared conversion of white light letterpress printing ink (below be weight portion) of going up
Make letterpress printing ink according to above-mentioned prescription with conventional printing ink manufacturing process.
Embodiment 4
A kind of infrared conversion of white light letterpress printing ink (below be weight portion) of going up
Make letterpress printing ink according to above-mentioned prescription with conventional printing ink manufacturing process.
Embodiment 5
Adopt the yellow offset ink of common four look versions to be printed on the transparent polypropylene plastics paper with the form of offset printing; Adopt the printing ink among the embodiment 3 layout to be printed on the offset printing pattern then with the form of protruding seal; Protruding seal printing area is more than 0.25 square centimeter, and the printing area that guarantees offset printing can obtain the targeted security file greater than protruding seal; This secure file bottom one side excites down at infrared laser; Send the gold-tinted identical with primary colour, the surface layer one side then excites down at infrared laser, then sends the visible white light of human eye.
Embodiment 6
Adopt the red offset ink of common four look versions to be printed on the transparent PET plastics paper with the form of offset printing; Adopt then printing ink among the embodiment 4 with the form printed design pattern of protruding seal on red offset printing; Be printed on the protruding impression case with the form of the blue offset ink of common four look versions again, can obtain the targeted security file with offset printing.Wherein, Protruding seal printing area is more than 0.25 square centimeter; And the printing area that guarantees offset printing is greater than protruding seal, and this secure file bottom one side excites down at infrared laser, sends the ruddiness identical with primary colour; The surface layer one side then excites down at infrared laser, then sends the blue light identical with the surface layer color.
Embodiment 7
Adopt the yellow offset ink of common four look versions to be printed on the white paper with the form of offset printing; Adopt the printing ink among the embodiment 3 layout to be printed on the offset printing pattern then with the form of protruding seal; Protruding seal printing area is more than 0.25 square centimeter, and the printing area that guarantees offset printing can obtain the targeted security file greater than protruding seal; This secure file bottom one side excites down at infrared laser; Send the gold-tinted identical with primary colour, the surface layer one side then excites down at infrared laser, then sends the visible white light of human eye.
Embodiment 8
Adopt the red offset ink of common four look versions to be printed on the white paper with the form of offset printing; Adopt then printing ink among the embodiment 4 with the form printed design pattern of protruding seal on red offset printing; Be printed on the protruding impression case with the form of the blue offset ink of common four look versions again, can obtain the targeted security file with offset printing.Wherein, Protruding seal printing area is more than 0.25 square centimeter; And the printing area that guarantees offset printing is greater than protruding seal, and this secure file bottom one side excites down at infrared laser, sends the ruddiness identical with primary colour; The surface layer one side then excites down at infrared laser, then sends the blue light identical with the surface layer color.
Claims (10)
1. a new type of safe file is made up of two-layer or three layer patterns, it is characterized in that: when the new type of safe file is made up of two-layer pattern; Bottom is an offset printing; Surface layer is protruding seal printing, and this secure file bottom one side excites down at infrared laser, sends the monochromatic light identical with primary colour; The surface layer one side then excites down at infrared laser, sends the visible white light of human eye; When the new type of safe file was made up of three layer patterns, bottom and surface layer were offset printing, and the intermediate layer is protruding seal printing, and the bottom of secure file or surface layer are under the infrared laser shooting condition, and correspondence is sent and bottom or the identical monochromatic light of surface layer color respectively.
2. a kind of new type of safe file according to claim 1 is characterized in that: the printing area of said protruding seal layer is not less than 1 square millimeter.
3. a kind of new type of safe file according to claim 1 and 2 is characterized in that: the color of said protruding seal layer is white or colourless.
4. a kind of new type of safe file according to claim 1 and 2 is characterized in that: contain a kind of fluorescent material at least in the protruding seal layer, this fluorescent material sends the macroscopic white light of people under the infrared laser shooting condition.
5. a kind of new type of safe file according to claim 4; It is characterized in that: described fluorescent material is a fluoride; In sulfide, oxyhalide and the composite oxides one or more; Said fluoride contains two or more rare earth element at least in sulfide, oxyhalide and the composite oxides.
6. a kind of new type of safe file according to claim 4 is characterized in that: the CIE-X of said people's naked eyes visible white light and CIE-Y value are between 0.3-0.4.
7. a kind of new type of safe file according to claim 5 is characterized in that: said rare earth element is Ho, Er, Pr, Tm, Ce, Eu, Nd or Yb.
8. a kind of new type of safe file according to claim 1 is characterized in that: said infrared laser wavelength is in the 700-1500nm scope.
9. a kind of new type of safe file according to claim 1 is characterized in that: the color of said offset printing layer is the arbitrary color except that black.
10. a kind of new type of safe file according to claim 9 is characterized in that: the color of said offset printing layer is for red, blue, green or yellow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321850.2A CN102806794B (en) | 2012-09-03 | 2012-09-03 | Novel secure file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321850.2A CN102806794B (en) | 2012-09-03 | 2012-09-03 | Novel secure file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102806794A true CN102806794A (en) | 2012-12-05 |
| CN102806794B CN102806794B (en) | 2015-07-22 |
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|---|---|---|---|
| CN201210321850.2A Active CN102806794B (en) | 2012-09-03 | 2012-09-03 | Novel secure file |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082810A (en) * | 2014-05-25 | 2015-11-25 | 上海麟多祈化工科技有限公司 | Near-infrared invisible anti-fake printing method |
| CN106564213A (en) * | 2016-11-07 | 2017-04-19 | 大连佳辰包装制品有限公司 | Carton machining process |
| CN106585165A (en) * | 2016-12-06 | 2017-04-26 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element, optical anti-counterfeiting product and manufacturing method of optical anti-counterfeiting element |
| CN108944149A (en) * | 2018-06-29 | 2018-12-07 | 华南理工大学 | A kind of valuable document and the method for verifying its true and false |
| CN111055609A (en) * | 2019-12-26 | 2020-04-24 | 上海印钞有限公司 | Anti-counterfeiting self-identification method based on transparent window |
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| JPH07179016A (en) * | 1993-12-22 | 1995-07-18 | Yamatsukusu Kk | Bright printed matter with metallic luster |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105082810A (en) * | 2014-05-25 | 2015-11-25 | 上海麟多祈化工科技有限公司 | Near-infrared invisible anti-fake printing method |
| CN106564213A (en) * | 2016-11-07 | 2017-04-19 | 大连佳辰包装制品有限公司 | Carton machining process |
| CN106585165A (en) * | 2016-12-06 | 2017-04-26 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element, optical anti-counterfeiting product and manufacturing method of optical anti-counterfeiting element |
| CN106585165B (en) * | 2016-12-06 | 2019-05-07 | 中钞特种防伪科技有限公司 | Optical anti-counterfeit element, optical anti-counterfeiting product and preparation method thereof |
| CN108944149A (en) * | 2018-06-29 | 2018-12-07 | 华南理工大学 | A kind of valuable document and the method for verifying its true and false |
| CN111055609A (en) * | 2019-12-26 | 2020-04-24 | 上海印钞有限公司 | Anti-counterfeiting self-identification method based on transparent window |
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| CN102806794B (en) | 2015-07-22 |
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Address after: 200063 158 Cao Yang Road, Shanghai, Putuo District Patentee after: SHANGHAI BANKNOTE PRINTING Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 200063 158 Cao Yang Road, Shanghai, Putuo District Patentee before: SHANGHAI BANKNOTE PRINTING Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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| CP01 | Change in the name or title of a patent holder |