CN102184676B - Method for manufacturing compound multifunctional anti-fake mark by laser etching - Google Patents
Method for manufacturing compound multifunctional anti-fake mark by laser etching Download PDFInfo
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- CN102184676B CN102184676B CN201110119805A CN201110119805A CN102184676B CN 102184676 B CN102184676 B CN 102184676B CN 201110119805 A CN201110119805 A CN 201110119805A CN 201110119805 A CN201110119805 A CN 201110119805A CN 102184676 B CN102184676 B CN 102184676B
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Abstract
The invention provides a method for manufacturing compound multifunctional an anti-fake mark by laser etching, aiming at solving defects of easiness to damage two-dimensional codes and miniature images attached on the anti-fake mark, hardness to store, low anti-fake level and the like in the prior art. The method comprises the following steps of: producing an OVD (optical variable device) large coiling foil reserved with a laser etching area and provided with anti-fake elements on the laser etching area background according to needs; a, detecting defective product of the large coiling foil produced in the step a and eliminating or marking the defective product, b, slitting the detected OVD foil and processing to be the coil suitable for hot-stamping, c, etching an aluminum-plating layer in the laser etching area background pattern through the laser, reserving a base membrane, combining the etched blank area with the reserved aluminum-plating substance to form a new anti-fake pattern, and d, hot-stamping a small oiling foil membrane on corresponding products through positioning hot-stamping equipment. The production method is wide in application range and easy to understand and carry out technique; and the costs of printing enterprises and packaging enterprises can be greatly reduced after anti-fake mark enterprises use the method.
Description
Technical field
The present invention relates to anti-fake mark, false proof signature field, be specifically related to the manufacturing of OVD and digital anti-fake mark.
Background technology
OVD (OVD) is a kind of optical anti-counterfeiting sign of precision; It has used the complex laser diffractive technology; When ray cast can change diffracting effect into during to fine and closely woven striped top layer; So can produce the degree of depth, perspective and multi-level reflecting effect in designing, have and be easy to discern, be easy to the characteristics remembering, be easy to describe, it is shown one's talent in numerous anti-counterfeiting technologies.OVD has the characteristic of anaclasis, and wherein variable light incident energy causes that image changes, under different viewing angles; Demonstrate the distinct image contrast; Even under diffused light or dim illumination condition, its structure also can be recognized, therefore a kind of method of the simple recognition product true and false is provided to the consumer; In order to improve safe coefficient; Also add special security element,, just can find out when these special security element can only or be amplified under certain viewing angle like lens, contrast effect and hiding characteristic.
General anti-counterfeiting stamping foil, because the restriction of plate-making technology, its false proof lower grade, antifalse effect is undesirable, and the visual signature of optical anti-counterfeiting sign derives from the plate-making technology of mother matrix, the advance of plate-making technology and exclusivity directly influence false proof degree.The mother matrix generation technique that generally adopts both at home and abroad at present is mainly " two-dimensional/three-dimensional " and " digital dot matrix " two kinds, but above two kinds of still effective abroad mother matrixs are technological, are widely used at home, and its false proof reliability is very low.
In order to improve the anti-counterfeiting performance of optical anti-counterfeiting sign; Some enterprises have adopted the whole bag of tricks on common anti-counterfeiting stamping foil, to adhere to various information; For example on anti-counterfeiting stamping foil, adhere to numerical code, thumbnail image, two-dimension code etc. through the method for printing or laser marking; But following several method is generally taked in the place that the beginning comes with some shortcomings in the prior art:
A, two-dimension code figure and the false proof manufacturing technology of traditional printing combine, and avoid two-dimension code figure directly to be xeroxed, take pictures, such as adopting stealthy printing or the like;
B, two-dimension code (sign indicating number) figure itself is done special processing (as encrypting, compound etc.), let others' recognition software can't identification code figure, the 2nd, can in these yards figure, enroll special information, to make the usefulness of false proof verification;
C, the two-dimension code of special processing is combined with traditional anti-counterfeiting technology, set up merchandising database, the information that comprises in the two-dimension code matches, and sets up inquiry response mechanism.
For example the patent No. is 02270995.9 Chinese utility model patent, discloses a kind of holography digital two-dimension code anti-counterfeit sign of reprinting books in a reduce format, this anti-counterfeiting mark successively by numerical code and PDF417 two-dimension code anti-counterfeit layer, chromatic printing machine mould the false proof composite bed of seal micro, the pressure-sensitive adhesive layer stack is composited; And the local location on numerical code and PDF417 two-dimension code anti-counterfeit layer is manufactured with laser hologram image, and this anti-counterfeiting mark adopts partial holography technology, moulds seal shrink technology, numerical code technology and the integrated application of PDF417 planar bar code technology, forms multiple anti-fake; Comprise on this anti-counterfeiting mark that numerical code and PDF417 two-dimension code all are to realize adhering to through printing; Abrasion resistance is relatively poor, and more information pattern is combined with each other, and shows slightly numerous and diverse; Moreover; The production of this anti-counterfeiting mark relates to kinds of processes, and comparatively complicated, its laser holography that adopts has been lost antiforge function basically; Can increase production cost, be unfavorable on general goods, promoting the use of.
The patent No. is 201020102478.2,201010101642.2,201020115905.0,200710173477.X, 200920060588.4 several Chinese patents disclose different anti-counterfeiting technology that relates to two-dimension code and sign; But above-mentioned patent has a common characteristic to be exactly: computing machine generates two-dimension code and other information; Read decoding apparatus and obtain this 2 D code information; Transform the back and two-dimension code is marked in product surface (surfaces of card, glass etc.) through high energy laser beam through laser coding device; The scope of application of this mode is less; It is hard to be used for the surface, and on the on-deformable product, for example papery packing, plastics packed product then can't be implemented for a lot of products.
Summary of the invention
In order to solve the deficiency that exists in the background technology; The invention provides a kind of method of making the composite multifunction anti-counterfeiting mark; Purpose is to solve that the two-dimension code, the thumbnail image that adhere on the anti-counterfeiting mark in the prior art are fragile cannot say for sure to deposit and shortcoming that false proof grade is not high; Produce that OVD combines with two-dimension code, thumbnail image etc., can use carrier material extensively, anti-counterfeiting mark with higher false proof grade; This working method is applied widely, and technology is understood enforcement easily, and anti-counterfeiting mark enterprise can reduce the cost of printing enterprise and wrapping enterprise after using greatly.
For realizing above-mentioned purpose, the present invention has adopted following technological means, and this working method may further comprise the steps:
A, as required produces and reserves the big roll-leaf of OVD that laser ablation district and laser ablation district background have security element;
B, the big roll-leaf that step a is produced carry out defective product and detect and reject or mark;
C, the OVD paper tinsel that detects is cut, be processed into and be fit to coiling of thermoprint;
D, utilize laser ablation to fall the aluminium coated in the laser ablation district background patterns, keep basement membrane, combined through the white space that etches away with the material of aluminizing that retains, to form new security pattern;
E, rouleau paper tinsel film utilize locating thermoprint equipment on corresponding product, to carry out thermoprint;
Wherein, comprise following main points in the process of the said etching aluminium coated of steps d:
1. increase shaft coupling at drive part, the marking system speed pickup is installed;
2. the parameter of control adjustment laser marking machine is carried out following setting: output power≤12W, optical maser wavelength: 1.06 μ m; Laser repetition rate: 20 KHz-100KHz; Etching scope: 100mm * 100mm, etching depth≤0.4mm, etched line speed≤10000mm/s; Etching minimum feature: 0.012mm, minimum character: the 0.15mm of etching; Repeatable accuracy: ± 0.003mm;
3. during mark, the travelling speed of material is 2～3m/min, operates steadily in the material walking, constant tension, has certain adjustable extent;
4. paper tinsel film end face regularity is set to 0.2mm.
In order to enhance productivity, can, above-mentioned steps b at first carry out the laser ablation of big roll-leaf after finishing, cut into little roll-leaf afterwards again;
Because OVD and laser ablation pattern area are connected as a single entity, for avoiding the phase mutual interference, should make position adjustment according to the image information that OVD will keep, guarantee that the laser ablation district do not block, damages the information of OVD.
The invention has the beneficial effects as follows:
The anti-fake mark that method of the present invention is produced does not adopt printing ink, carbon dust printing, but is directly carrying out etching reserving on the good zone on the stamping systems, can solve the fragile shortcoming of depositing cannot say for sure of two-dimension code in the prior art.
Simultaneously, the present invention combines OVD and laser ablation technology and two-dimension code, micro anti-counterfeiting technology to produce, and has very high false proof grade, has solved general anti-counterfeiting stamping foil and has been copied easily, the deficiency that anti-counterfeiting performance is not high.
And this working method is applied widely, understands easily and implements, and equipment needed thereby is produced after can using conventional equipment adjustment, transformation; Concentrate on anti-counterfeiting mark manufacturing enterprise and produce, be convenient to the management of two-dimension code; Printing and wrapping enterprise can continue to use present production technology, need not production equipment is carried out overlapping investment, avoid the cost of products of enterprise to increase.
The anti-counterfeiting mark function of utilizing this method to produce is more, and each OVD+two-dimension code or numerical code or thumbnail image are unique code, can be used as marketing, and product is followed the trail of, purposes such as marketing data collection, and can be applicable to most carrier material.
Description of drawings
Fig. 1 is the process chart of working method according to the invention.
Fig. 2 is the synoptic diagram of the working method that adopted of embodiment 1.
Fig. 3 is the synoptic diagram of the working method that adopted of embodiment 2.
Small size bar paper tinsel 5-combined laser mark machine of 1-support, 2-roll shaft, 3-laser marking machine 4-minute cut
6-significantly bar the paper tinsel of not cutting
Embodiment
With reference to figure 1,2, for realizing above-mentioned purpose, the present invention has adopted following technological means, and this method may further comprise the steps:
A produces the big roll-leaf of OVD that the laser ablation district is provided with background patterns as required;
The big roll-leaf that 1. b produces step carries out defective product and detects and reject or mark;
C cuts the OVD paper tinsel that detects, and is processed into to be fit to coiling of printing equipment;
The aluminium coated that d will be used to be provided with background patterns in the laser ablation district utilizes laser ablation to fall, and keeps basement membrane, and is combined with the material of aluminizing that retains through the white space that etches away, to form new security pattern;
E carries out thermoprint on corresponding product;
Wherein, comprise following technical parameter and main points in the said laser process of steps d:
Increase shaft coupling at drive part the marking system sensor is installed; The parameter of control adjustment laser marking machine is carried out following setting: output power≤12W, optical maser wavelength: 1.06 μ m; Laser repetition rate: 20 KHz-100KHz; Etching scope: 100mm * 100mm, etching depth≤0.4mm, etched line speed≤10000mm/s; Etching minimum feature: 0.012mm, minimum character: the 0.15mm of etching; Repeatable accuracy: ± 0.003mm; It is 2-3m/min that machine operating speed is set.
The mark of the composite multifunction anti-fake mark that present embodiment is produced locatees radially that maximum deviation is 0.2mm, and laterally maximum deviation is 0.5mm, can satisfy the requirement of automatic thermoprint; Etching image in 2 D code on the background patterns; Clear picture, machining precision is high, and the original background patterns in two-dimension code district has antiforge function equally; The high anti-counterfeiting performance that cooperates OVD is realized multi-functional purposes such as false proof, marketing, market information collection, product tracking.
With reference to figure 1,3, for realizing above-mentioned purpose, the present invention has adopted following technological means, and this method may further comprise the steps:
A produces the big roll-leaf of OVD that the laser ablation district is provided with background patterns as required;
The big roll-leaf that 1. b produces step carries out defective product and detects and reject or mark;
C will detect good big roll-leaf and utilize combined laser mark machine directly to carry out the etching of pattern;
D is processed into coiling of being fit to print to cutting through the big roll-leaf of laser ablation;
E carries out thermoprint on corresponding product;
Wherein, comprise following main points in the process of the 4. said etching two-dimension code of step:
Increase shaft coupling at drive part the marking system sensor is installed; The parameter of control adjustment laser marking machine is carried out following setting: output power≤12W, optical maser wavelength: 1.06 μ m; Laser repetition rate: 20 KHz-100KHz; Etching scope: 100mm * 100mm, etching depth≤0.4mm, etched line speed≤10000mm/s; Etching minimum feature: 0.012mm, minimum character: the 0.15mm of etching; Repeatable accuracy: ± 0.003mm; It is 2-3m/min that machine operating speed is set.。
The mark of the composite multifunction anti-fake mark that present embodiment is produced locatees radially that maximum deviation is 0.2mm, and laterally maximum deviation is 0.3mm, can satisfy the requirement of automatic thermoprint, and etching two-dimension code figure and micro are digital on the background patterns, and false proof grade is higher.
Claims (2)
1. one kind is passed through the method that laser ablation is made the composite multifunction anti-counterfeiting mark, it is characterized in that this method may further comprise the steps:
A, as required produces and reserves the big roll-leaf of OVD that laser ablation district and laser ablation district are provided with background patterns;
B, the big roll-leaf that step a is produced carry out defective product and detect and reject or mark;
C, the OVD paper tinsel that detects is cut, be processed into and be fit to coiling of printing;
D, will utilize laser ablation to fall, keep basement membrane at the aluminium coated in the laser ablation district background patterns, combined through the white space that etches away with the material of aluminizing that retains, to form new security pattern;
E, rouleau paper tinsel film utilize locating thermoprint equipment on corresponding product, to carry out thermoprint;
Wherein, comprise following main points in the process of the said etching aluminium coated of steps d:
1. increase shaft coupling at drive part, the marking system speed pickup is installed;
2. the parameter of control adjustment laser marking machine is carried out following setting: pulse repetition rate 20KHz---80KHz, output power≤12W; Optical maser wavelength: 1.06 μ m, laser repetition rate: 20 KHz-100KHz, etching scope: 100mm * 100mm; Etching depth≤0.4mm; Etched line speed≤10000mm/s, etching minimum feature: 0.012mm, minimum character: the 0.15mm of etching;
3. during mark, the travelling speed of material is 2～3m/min, operates steadily in the material walking, constant tension, has certain adjustable extent;
Paper tinsel film end face regularity is set to 0.2mm.
2. according to claim 1ly a kind ofly make the method for composite multifunction anti-counterfeiting mark, it is characterized in that through laser ablation, big roll-leaf defective product detect and reject or mark after, at first carry out the laser ablation of big roll-leaf, cut into little roll-leaf afterwards again.
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| CN201110119805A CN102184676B (en) | 2011-05-10 | 2011-05-10 | Method for manufacturing compound multifunctional anti-fake mark by laser etching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102501701B (en) * | 2011-11-23 | 2013-10-30 | 深圳力合光电传感技术有限公司 | Method for forming grapheme patterns by using laser etching |
| CN102700281A (en) * | 2012-04-26 | 2012-10-03 | 湖北联合天诚防伪技术股份有限公司 | Environment friendly laser fine dealumination method |
| CN103386829B (en) * | 2012-05-09 | 2018-01-12 | 天津阿波罗电子有限公司 | A kind of endowed method that anti-counterfeiting codes are carried out using laser |
| CN102729671B (en) * | 2012-07-03 | 2015-04-08 | 云南荷乐宾防伪技术有限公司 | Method for realizing two-dimension code-variable printing on optical variable device (OVD) hot stamping foil |
| CN103692798B (en) * | 2013-12-13 | 2015-08-26 | 合肥江航飞机装备有限公司 | The method of metal parts corrosion resistant surfaces laser marks Quick Response Code |
| CN108705203B (en) * | 2016-11-24 | 2020-01-07 | 温州职业技术学院 | Anti-counterfeiting mark manufacturing device based on laser scanning |
| CN112486434A (en) * | 2020-12-15 | 2021-03-12 | 航天信息股份有限公司 | Certificate vector printing method |
| CN113277746A (en) * | 2021-06-16 | 2021-08-20 | 武汉先河激光技术有限公司 | Method and device for manufacturing invisible two-dimensional code on glass by using laser |
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| CN2545649Y (en) * | 2002-06-07 | 2003-04-16 | 中山国安火炬科技发展有限公司 | Antiforging sign of holographic reduced digit two-D code |
| CN201020902Y (en) * | 2007-04-06 | 2008-02-13 | 山西众友镭射图像有限公司 | Laser false-proof wire |
| CN101866578A (en) * | 2010-05-14 | 2010-10-20 | 陈毕峰 | Manufacturing method of security label with laser variable data |
| CN101966784B (en) * | 2010-08-03 | 2013-03-20 | 陈毕峰 | Manufacturing method of laser anti-counterfeit texture label |
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