CN103862908B - Laser master mask and photoetching machine for manufacturing laser master mask - Google Patents
Laser master mask and photoetching machine for manufacturing laser master mask Download PDFInfo
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- CN103862908B CN103862908B CN201410097075.6A CN201410097075A CN103862908B CN 103862908 B CN103862908 B CN 103862908B CN 201410097075 A CN201410097075 A CN 201410097075A CN 103862908 B CN103862908 B CN 103862908B
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- light beam
- laser
- hologram
- laser master
- mark
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Abstract
The invention provides a laser master mask, comprising a laser master mask body, wherein the working surface of the laser master mask is provided with holographic patterns, the holographic patterns comprise a plurality of light pillar periodical pixel point units forming a periodical gradual change light pillar unit body hologram, partial pixel point units in at least one area in the hologram are identification pixel point units of local sketch pattern light pillar body identifications, and grating stripe depth convex-concave rules of the identification pixel point units are different from those of the light pillar periodical pixel point units, so that the local sketch pattern light pillar body identifications are generated. A photoetching machine comprises a laser, a multi-resolution blindfold sheet, a first refraction lens, a second refraction lens, a micro lens and a glass grating sheet, wherein the laser, the glass grating sheet, the multi-resolution blindfold sheet, the first refraction lens, the second refraction lens and the micro lens are sequentially arrayed in an optical matching manner. The photoetching machine can be used for manufacturing laser master masks with width laser light pillar sketch watermark positioning identification holograms.
Description
Technical field
The present invention relates to a kind of for making the wide cut special edition anti-counterfeit hologram that light beam gradual change form is unique, antifalse effect is good
Laser master plate and the litho machine manufacturing this laser master plate.
Background technology
Laser antifalsification technology since emerging, through many decades development, experienced laser embossed holography image false-proof mark,
Modified model laser hologram image anti-counterfeiting technology, encrypted hologram are as anti-counterfeiting technology, laser hologram true color 3D anti-counterfeiting technology, wide cut
Five upgradings such as laser hologram dot matrix photoetching anti-counterfeiting technology.Although wide cut laser hologram dot matrix photoetching anti-counterfeiting technology system
The initial stage that the wide cut laser light beam hologram made is applied on packaging material can play holographic false proof effect really, but wide
The light beam gradual change form of width laser light beam hologram is single, its antifalse effect is to rely on enormous investment barrier to carry out anti-major structure
Vacation, therefore introduces holographic laser big version wide cut machine with relevant manufactures, this plate-making technology is by the grasp of some manufacturers of industry
And after application, wide cut laser light beam hologram also just loses antiforge function, only retains decorated package appearance
Effect.
In terms of domestic present case, produce in the enterprise of laser holographic anti counterfeiting label in more than 300 families, except a few enterprise
Outside the higher very color radium-shine product of 3-dimensional of short version high resolution of energy manufacturing technology content, some little versions can only be done by general producer
Anti-counterfeit laser identifies, and the laser anti-fake figure mark quality being produced is relatively low, is only used on general merchandise；The commodity higher to class
（As spelling figure cigarette bag packaging orientation paper）, although the producer of the domestic laser hologram big version machine technology having wide cut can manufacture and provide
There is the laser master plate of big version light beam hologram, but the wide cut laser light beam hologram of the product surface processing still is deposited
In the single shortcoming of light beam gradual change form, though there being local positioning anti-fake to identify, eventually because of later stage printing chromatography skew, chromatography technology
Difficulty increases thus causing the drawbacks such as percent defective rising and seriously govern the holographic package development of wide cut positioning anti-fake mark.From
And cause wide cut holography light beam or vegetarian noodles can only play decoration function, but do not have real antifalse effect.How in wide cut light
Incorporate anti-counterfeiting information in post and wide cut fresh laser version, can allow the visual false-proof light beam of consumers in general crowd's identification directly perceived or element
Face, and be easy to the set of later stage printing and draw？Here it is our problems to be solved.
Content of the invention
The technical problem to be solved be for prior art wide cut laser light beam hologram light beam gradually
The shortcoming that deformation type is single, antifalse effect is poor, provides a kind of wide cut laser master plate, the anti-fake holographic that this laser master plate is produced
The implantable colour value pair arbitrarily designing in figure light beam gradual change various informative (including horizontal type and longitudinal type and oblique type light beam), light beam
The ratio sketch shape pattern element spent, reaches light beam localized watermark and represents effect, and visual false-proof distinctive is strong, the technology of employing
Scheme is as follows：
A kind of laser master plate, including laser master plate body, described laser master plate body work surface has hologram pattern, described
Hologram pattern includes multiple light beam periodicity pixel dot elements forming periodicity gradual change light beam unit volume hologram, and its feature exists
In：In at least one region in described hologram pattern, part pixel unit is the mark picture of local sketch pattern light beam body mark
Vegetarian refreshments unit, the concavo-convex rule of described mark pixel unit grating fringe depth line and light beam periodicity pixel unit gratings strips
The concavo-convex rule of stricture of vagina depth line is different（I.e. both are variant）, thus producing local sketch pattern light beam body mark.That is this
Be mark pixel dot element weight different from the weight of the light beam periodicity pixel dot element of background（I.e. both have difference
Different）And the radium-shine recognition effect of body of light being shown（I.e. exposure parameter is different）.Both identicals above-mentioned are that light varied angle is consistent,
The effect therefore showing is exactly the rainbow laser light beam hologram that a width indistinctly carries local sketch watermark.Wider than original
Width positioning dynamic marks are false proof more hidden, and globality is good.The big version light beam hologram that described laser master plate suppresses, its
Large format light beam gradual change spectrum and local identities spectrum（It is made up of sketch pattern pixel unit）Light beam direction, diffracting position
Unified, represented with a complete synchronizable optical cylinder；By in watermark patterns certain（Certain part）The exposure rate of pixel dot element
The grating fringe weight that difference is presented is different, creates translucent shade sketch watermark.This laser master plate, its
Surface has periodicity gradual change light beam unit volume hologram and has incorporated anti-counterfeit recognition solid sketch pattern or three-dimensional text, and it is right
Answer position and background light beam refraction angle to unify, that is, identification pattern be also light cylinder and with background large format light cylinder completely
Body, is superimposed as watermark style is indistinctly dimly visible, implantation local on the basis of not destroying the overall light beam effect of background
Mark light beam hologram, its feature has the recognition effect directly perceived of anti-counterfei waterprint.
The mark pixel dot element of described local sketch pattern light beam body mark and the light of light beam periodicity pixel dot element
Varied angle is consistent, light beam direction is consistent, diffracting position is unified, exposure rate is different（I.e. both are variant）, therefore both are presented
Grating fringe weight out is also different（I.e. both are variant）.
For processing the litho machine of above-mentioned laser master plate, including laser instrument, multiresolution hide lamel, first refractive lens,
Second refractor, miniature lens, using electric rotating machine control its rotate glass light grid it is characterised in that：Described laser
Device, glass light grid, multiresolution screening lamel, first refractive lens, the second refractor, miniature lens optically coordinate successively
Arrangement.After described litho machine processes photoetching to be processed photosensitive hectograph surface, then electroforming becomes silver-colored version to overturn to be again after spray silver
Nickel plate material, obtains laser master plate, then mould heat transfers on laser film, makes that light beam gradual change form is unique, antifalse effect is good
Laser film.
Preferably scheme, described miniature lens are 10 times of miniature lens.
Preferably scheme, described glass light grid is the glass light grid of nanoscale striped.
Preferably scheme, the light beam that described laser instrument sends launches two by the glass light grid with nanoscale striped
Shu Jiguang, is placed on first refractive lens after multiple resolution hide lamel respectively, is collimated on the second refractor, then
Converge to again in the lenticular focus of contracting, form interference fringe and be exposed on the working region of photosensitive hectograph.
Its operation principle is：Described litho machine is controlled by the color range of the black-white-gray sketch pattern of automatic identification planar design
The grating fringe exposure etch depth of pixel processed, thus embedding light beam sketch pattern in big version light beam hologram, reaches light
Post watermark recognition effect directly perceived.The big version light beam hologram that the hologram laser master plate of photoetching machining is printed, it is significantly
Face light beam gradual change spectrum is unified with the light beam direction of local identities spectrum, diffracting position, with a complete synchronizable optical cylinder exhibition
Existing；By in watermark patterns certain（Certain part）The grating fringe weight that the exposure rate difference of pixel dot element is presented
Difference, produces translucent shade sketch watermark.And position logo hologram case（Watermark patterns）It is as light beam direction
Walk about and gradually assume sketch figure photoelement simultaneously, no longer simply certain position inside large format light beam（Region）Unit pixel point
The light beam sketch pattern that grating exposure rate is different and produces.
Litho machine completes photoetching using the disposable lithography plane design drawing that imports, positioning holographic identification pattern peripheral limit with
Large format background light beam is realized being seamlessly connected, and solves the hollow no radium that original litho machine needs are superimposed chromatography twice and produce
Penetrate side problem.And it is capable of the zero-clearance light beam of maximum area and encrypts radium-shine watermark, product adaptation wide cut reel circle pressure produces,
Contribute to downstream manufacturers and reduce raw material loss.
Above-mentioned this method for anti-counterfeit significantly improves anti-counterfeiting performance and the outward appearance of packing material, contributes to manufacturer and preferably opens up
Show and publicize the product of oneself, be easy to consumer and can more easily identify commodity, prevent the probability of fraud to greatest extent.
Present invention beneficial effect against existing technologies is, due to being improved to litho machine, to increased glass raster
Piece, multiresolution hide lamel it is achieved that light spot shape converts, utilizes the color range of RGB（Null tone）Replacing, 360 degree of rotary optical heads
Focus on etc. function and monitoring automatic servo, therefore, it is possible to according to different laser light beam gradual change patterns（Laterally unidirectional gradual change light beam,
Laterally two-way gradual change light beam, 45 degree of angle skew ray posts etc.）, focus on laser recording image by using controllable exposure and electric rotating machine drive
Dynamic rotating grating piece, to reach the record radium-shine refraction angle of gradual change grating and exposure, realizes thering is wide cut radium-shine light beam sketch watermark
The laser master plate of positioning logo hologram makes, the product that this laser master plate processes, the wide cut radium-shine light beam sketch on its surface
Watermark positions that logo hologram light beam gradual change is various informative, in light beam the implantable colour value good contrast arbitrarily designing sketch
Shape pattern element, reaches light beam localized watermark and represents effect, and visual false-proof distinctive is strong.
Brief description
Fig. 1 is the design sketch of the hologram pattern on preferred embodiment of the present invention laser master plate body work surface；
Fig. 2 is the design sketch that prior art wide cut light beam positions dynamic marks laser master plate；
Fig. 3 is the microstructure enlarged diagram of local sketch pattern light beam body mark in Fig. 1；
Fig. 4 is the light channel structure schematic diagram of preferred embodiment of the present invention litho machine.
Specific embodiment
The laser master plate of the present embodiment, including laser master plate body, described laser master plate body work surface has hologram
Case, described hologram pattern includes multiple light beam periodicity pixel dot elements forming periodicity gradual change light beam unit volume hologram.
In three regions in described hologram pattern, part pixel unit is the mark of local sketch pattern light beam body mark
Pixel dot element, the concavo-convex rule of described mark pixel unit grating fringe depth line and light beam periodicity pixel unit grating
The concavo-convex rule of striped depth line is different（I.e. both are variant）, thus producing local sketch pattern light beam body mark.That is
This be mark pixel dot element weight different from the weight of the light beam periodicity pixel dot element of background（I.e. both have difference
Different）And the radium-shine recognition effect of body of light being shown（I.e. exposure parameter is different）.Both identicals above-mentioned are that light varied angle is consistent,
The effect therefore showing is exactly the rainbow laser light beam hologram that a width indistinctly carries local sketch watermark.Wider than original
Width positioning dynamic marks are false proof more hidden, and globality is good.The big version light beam hologram that described laser master plate suppresses, its
Large format light beam gradual change spectrum and local identities spectrum（It is made up of sketch pattern pixel unit）Light beam direction, diffracting position
Unified, represented with a complete synchronizable optical cylinder；By in watermark patterns certain（Certain part）The exposure rate of pixel dot element
The grating fringe weight that difference is presented is different, creates translucent shade sketch watermark.This laser master plate, its
Surface has periodicity gradual change light beam unit volume hologram and has incorporated anti-counterfeit recognition solid sketch pattern or three-dimensional text, and it is right
Answer position and background light beam refraction angle to unify, that is, identification pattern be also light cylinder and with background large format light cylinder completely
Body, is superimposed as watermark style is indistinctly dimly visible, implantation local on the basis of not destroying the overall light beam effect of background
Mark light beam hologram, its feature has the recognition effect directly perceived of anti-counterfei waterprint.
The mark pixel dot element of described local sketch pattern light beam body mark and the light of light beam periodicity pixel dot element
Varied angle is consistent, light beam direction is consistent, diffracting position is unified, exposure rate is variant, the gratings strips that therefore both are presented
Stricture of vagina weight is also variant.
As shown in Fig. 2 being that the wide cut light beam of prior art positions the design sketch of dynamic marks laser master plate, its icon with vertical
Body word all before background light beam, the light beam body of light of opposite position obscured fall（In place of 01 figure difference）, and mark
Knowing holography is independent dynamic gradual change body of light.
As shown in figure 1, in the design sketch of the hologram pattern on laser master plate body work surface, light beam periodicity pixel
Unit is 50mm, represents the gradual change law of light, three-dimensional text and sketch black and white pattern corresponding position same with background with light and shade color range
While the light mapping angle of the light beam put is consistent, using the control to local icon exposure, i.e. planar design black and white
Grey color range（0-255 numerical value）Control add that the automatic identification on litho machine controls completing the identification watermark light beam directly perceived reaching
Radium-shine fade effect.It is shown that icon and three-dimensional text all seem at grade, less than dividing in front and back, opposite position
Light beam body of light do not have obscured fall.
As shown in figure 3, there is light beam periodicity pixel dot element and mark pixel dot element in this in figure position 8 simultaneously, its
It can be seen that grating angle direction is same, the striped in circle is but distinguishing.
Described litho machine for processing above-mentioned laser master plate includes laser instrument 1, multiresolution hides lamel 2, first refractive
Lens 3, the second refractor 4, miniature lens 5, using electric rotating machine control its rotate glass light grid 6, described laser instrument
1st, glass light grid 6, multiresolution hide lamel 3, first refractive lens 4, the second refractor 5, miniature lens 5 successively optically
Cooperation arrangement.
Described miniature lens 5 are 10 times of miniature lens.
Described glass light grid 6 is the glass light grid of nanoscale striped.
The light beam that described laser instrument 1 sends launches two bundle laser by the glass light grid 6 with nanoscale striped, point
Do not hidden by multiple resolution and be placed on first refractive lens 3 after lamel 2, be collimated on the second refractor 4, then assemble again
To in the focus of miniature lens 5, form interference fringe and be exposed on the working region of photosensitive hectograph.
After described litho machine processes photoetching to be processed photosensitive hectograph surface, then electroforming becomes silver-colored version to overturn again after spray silver
For nickel plate material, obtain laser master plate, then mould heat is transferred on laser film, make light beam gradual change form uniqueness, antifalse effect
Good laser film.
Above-mentioned this method for anti-counterfeit is the upgrading based on the 5th generation wide cut laser hologram dot matrix photoetching positioning anti-fake technology
Transformation, it becomes technology with plane Digital design technique mutually to closing by light, and icon pattern is implied among full version light beam, and
Pattern and the gradual change angle of bias light column source are to maintain consistent, and embody is sketch effect in drawing, as one kind
Translucent shade watermark body is embedded in background light beam, so " radium-shine watermark " be easy to by consumers in general institute outlook directly perceived
And be not easy to be imitated, it is not difficult to be copied by the individual producer with general antiforge laser holographic trade mark production capacity, specialty
The higher manufacturer of technology is similarly difficult to copy.This method for anti-counterfeit widened the holographic limitation of big version laser light beam,
Unicity and antifalsification, greatly improve anti-counterfeiting performance and the intension of product, because fabric width is more than 50 centimetres, so can combine
No version gap splicing film stamping technique is supporting with Conventional printing process, realizes the environment protecting of oil-free ink print, therefore in false proof bag
Dress print field has huge development space.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, its each several part title etc. can not
With, all equivalent or simple change done according to the construction described in inventional idea of the present invention, feature and principle, all it is included in the present invention
In the protection domain of patent.Those skilled in the art can do various each to described specific embodiment
The modification of sample or supplement or substituted using similar mode, the structure without departing from the present invention or surmount the claims
Defined scope, all should belong to protection scope of the present invention.
Claims (1)
1. a kind of laser master plate, including laser master plate body, described laser master plate body work surface has hologram pattern, described complete
Breath pattern includes multiple light beam periodicity pixel dot elements forming periodicity gradual change light beam unit volume hologram, and its feature exists
In：In at least one region in described hologram pattern, part pixel unit is the mark picture of local sketch pattern light beam body mark
Vegetarian refreshments unit, the concavo-convex rule of described mark pixel unit grating fringe depth line and light beam periodicity pixel unit gratings strips
The concavo-convex rule of stricture of vagina depth line is different, thus producing local sketch pattern light beam body mark；Described local sketch pattern light beam body mark
The mark pixel dot element known is consistent with the light varied angle of light beam periodicity pixel dot element, light beam direction is consistent, diffracting position
Unified, exposure rate is different, and the grating fringe weight that therefore both are presented is also different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097075.6A CN103862908B (en) | 2014-03-13 | 2014-03-13 | Laser master mask and photoetching machine for manufacturing laser master mask |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097075.6A CN103862908B (en) | 2014-03-13 | 2014-03-13 | Laser master mask and photoetching machine for manufacturing laser master mask |
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| Publication Number | Publication Date |
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| CN103862908A CN103862908A (en) | 2014-06-18 |
| CN103862908B true CN103862908B (en) | 2017-02-22 |
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| CN201410097075.6A Expired - Fee Related CN103862908B (en) | 2014-03-13 | 2014-03-13 | Laser master mask and photoetching machine for manufacturing laser master mask |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859331B (en) * | 2015-04-01 | 2018-03-23 | 上海紫江喷铝环保材料有限公司 | The changeable visual angle of partial holography and lens stereoscope aluminium paper and its manufacture method |
| CN109709053B (en) * | 2019-01-16 | 2021-09-14 | 北京印刷学院 | Method for measuring grating constant of prime surface laser master plate by using spectrophotometer |
| CN110371479B (en) * | 2019-07-24 | 2024-08-27 | 上海紫江喷铝环保材料有限公司 | Pure platinum laser packaging material and preparation method thereof |
| CN116300319A (en) * | 2021-12-21 | 2023-06-23 | 广东洛恩光电科技有限公司 | Photoetching machine and method for manufacturing holographic master plate, holographic master plate and anti-counterfeiting element |
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| JPH09171364A (en) * | 1995-12-19 | 1997-06-30 | Dainippon Printing Co Ltd | Holographic directional reflection body |
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| CN1106344A (en) * | 1994-02-05 | 1995-08-09 | 苏斌 | Plane mark for preventing forging and plane mark for preventing copy forging |
| CN2457633Y (en) * | 2000-08-08 | 2001-10-31 | 易联招 | Super high resolution radio super high speed laser holographic cutting and recording machine |
| CN2629068Y (en) * | 2002-06-26 | 2004-07-28 | 易晗 | Optical scanning ultrahigh speed laser holographic read writer |
| CN2784986Y (en) * | 2005-01-27 | 2006-05-31 | 汕头市东风印刷厂有限公司 | Anti-counterfeiting rainbow holographic material |
| CN101472746A (en) * | 2006-06-14 | 2009-07-01 | 阿万托尼有限公司 | Anti-counterfeit hologram |
| CN201489271U (en) * | 2009-08-27 | 2010-05-26 | 绍兴虎彩激光材料科技有限公司 | Multicolor light-pole laser holographic laser mother set |
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| CN103862908A (en) | 2014-06-18 |
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