CN108445728B - Holographic anti-counterfeiting pattern processing method for pre-storing coded information - Google Patents
Holographic anti-counterfeiting pattern processing method for pre-storing coded information Download PDFInfo
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- CN108445728B CN108445728B CN201810071026.3A CN201810071026A CN108445728B CN 108445728 B CN108445728 B CN 108445728B CN 201810071026 A CN201810071026 A CN 201810071026A CN 108445728 B CN108445728 B CN 108445728B
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- 238000003672 processing method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 239000006089 photosensitive glass Substances 0.000 claims description 6
- 238000005323 electroforming Methods 0.000 claims description 3
- 238000001259 photo etching Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 43
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 239000000123 paper Substances 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 239000012943 hotmelt Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0402—Recording geometries or arrangements
Abstract
The invention belongs to the technical field of anti-counterfeiting labels, and particularly relates to a holographic anti-counterfeiting pattern processing method for pre-storing coded information. The method comprises the steps of selecting a mark point in a pattern in advance as the center of a circle of an annular pattern with hidden coding information; arranging one or more concentric ring patterns starting from the selected central point, wherein the ring patterns have independent effects or are integrated into an integral anti-counterfeiting pattern; distributing directional reflection pattern units with different angles on a single circular ring pattern according to the circular perimeter and preset coding information; the width between the inner ring and the outer ring of each circular ring is more than 0.05 mm; the signals received by the set reflection angles in different directions are defined by corresponding digital codes in advance. The holographic anti-counterfeiting pattern manufactured by the method can capture the reflection signals at different set reflection angles, and the authenticity can be judged by capturing the reflection signals and comparing the preset serial number content expressed by the reflection signals.
Description
Technical Field
The invention belongs to the technical field of anti-counterfeiting labels, and particularly relates to a holographic anti-counterfeiting pattern processing method for pre-storing coded information.
Background
The laser holographic technology is one of the most advanced anti-counterfeiting technologies in the last century, and has higher anti-counterfeiting strength through the characteristics of three-dimensional and angle change of laser holographic patterns and hidden information. However, with the development of holographic anti-counterfeiting technology, the production of holographic products has evolved into computer software design and computer full-automatic lithography plate making, so that the entrance requirement of the holographic anti-counterfeiting industry is greatly reduced, and the holographic products can be made only by equipment investment, and the imitation becomes easier.
The invention relates to a video detection device and a method for an anti-counterfeiting hologram hidden image (200910039118.4), wherein the detection method is only to compare the correctness of a reflection pattern and a deflection angle imaging pattern, the pattern is static comparison, and the interpretation mode is easy to crack. In the scheme, the pattern needs to be rotated by a preset central point, comparison and interpretation can be carried out under the motion state, and the hidden digital coding information is read instead of the pattern body, so that higher encryption and anti-counterfeiting strength are achieved.
Disclosure of Invention
Aiming at the defects of the existing holographic label production technology, the invention aims to provide a holographic anti-counterfeiting pattern processing method for pre-storing coded information. When the holographic pattern rotates at a certain frequency by taking a preselected mark point as the center of a circle, a laser signal source is used for irradiating a preset circular track at a fixed angle, reflection signals can be captured at different set reflection angles, and the preset number content expressed by the reflection signals is compared by capturing the reflection signals, so that the anti-counterfeiting performance of the label is greatly improved. .
The technical scheme adopted by the invention is as follows: a method for processing a holographic anti-counterfeiting pattern with pre-stored coded information is characterized by comprising the following steps: the method comprises the following steps: step one, a mark point in a pattern is selected in advance to serve as the center of a circle of an annular pattern with hidden coding information;
step two, starting from the selected central point, arranging one or more concentric ring patterns, wherein the ring patterns have independent effects or are integrated into an integral anti-counterfeiting pattern;
distributing directional reflection pattern units with different angles on a single circular ring pattern according to the circular perimeter and preset coding information;
fourthly, the width between the inner ring and the outer ring of each circular ring is larger than 0.05 mm;
and step five, pre-defining the signals received by the set reflection angles in different directions with corresponding digital codes.
The holographic anti-counterfeiting pattern processing method according to the pre-stored coded information is characterized in that: further comprising the steps of: sixthly, printing the design pattern conforming to the steps from the first step to the fifth step on the photosensitive glass plate by adopting a photoetching process; and seventhly, preparing the holographic molded metal plate by spraying silver and electroforming the photosensitive glass plate with the patterns.
The holographic anti-counterfeiting pattern processing method according to the pre-stored coded information is characterized in that: the width between the inner ring and the outer ring of each circular ring ranges from 0.05mm to 1 mm.
The holographic anti-counterfeiting pattern processing method according to the pre-stored coded information is characterized in that: the selected center point is an observable point existing in the design of the pattern or a coordinate point of a corresponding position in the area of the pattern.
The holographic anti-counterfeiting pattern processing method according to the pre-stored coded information is characterized in that: the reflection pattern is an observable circular ring formed by corresponding circular points, or a circular ring which is hidden in the pattern and is formed after the pattern rotates by a central point.
The holographic anti-counterfeiting pattern processing method according to the pre-stored coded information is characterized in that: the directional reflection angle of the reflection pattern is randomly selected within a three-dimensional range of 0-360 degrees.
Drawings
Fig. 1 is a side sectional view of the label.
Fig. 2 is a top view of the label surface.
Fig. 3 is a schematic diagram (angle one) of the detection principle of the label.
Fig. 4 is a schematic diagram (angle two) of the detection principle of the label.
FIG. 5 is a first schematic diagram of directional reflection of a holographic pattern layer.
FIG. 6 is a second schematic diagram of directional reflection of the holographic pattern layer.
FIG. 7 is a first side cross-sectional view of the microstructure array arrangement of the holographic pattern layer.
FIG. 8 is a second side sectional view of the microstructure array arrangement of the holographic pattern layer.
FIG. 9 is a first plan view of the microstructure array arrangement of the holographic pattern layer.
FIG. 10 is a second top view of the microstructure array arrangement of the holographic pattern layer.
The reference numbers illustrate: the device comprises a base film layer 1, a holographic pattern layer 2, an evaporation reflection layer 3, a pressure-sensitive adhesive layer 4, a base paper layer 5, a detection central point 6, a first directional radiation angle 7, a second directional radiation angle 8, a signal source 9 and a signal receiver 10.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The invention discloses a method for processing a holographic anti-counterfeiting pattern with pre-stored coded information, which comprises the following steps of: step one, a mark point in a pattern is selected in advance to serve as the center of a circle of an annular pattern with hidden coding information;
step two, starting from the selected central point, arranging one or more concentric ring patterns, wherein the ring patterns can have independent effects and can also be designed to be integrated into an integral anti-counterfeiting pattern;
and step three, distributing directional reflection pattern units with different angles on a single circular ring pattern according to the circular perimeter and preset coding information.
And step four, the width between the inner ring and the outer ring of each circular ring is larger than 0.05mm, and the preferable width range is between 0.05mm and 1mm, so that the irradiation of a signal source is facilitated.
And fifthly, with the help of a computer software system, corresponding digital code definitions are given to the signals received by the set reflection angles in different directions in advance (for example, the 45-degree reflection signal is digital 1, 0-degree is digital 2, and-45-degree is digital 3).
The method of the invention can also comprise the steps of holographic molding metal plate manufacture: and sixthly, printing the design pattern which accords with the steps from the first step to the fifth step on the photosensitive glass plate by adopting a photoetching process.
And seventhly, preparing the holographic molded metal plate by spraying silver and electroforming the photosensitive glass plate with the patterns.
In the holographic anti-counterfeiting pattern processing method, the preselected center point in the pattern can be an observable point existing in the design of the pattern, and a coordinate point at a corresponding position in the area of the pattern can also be selected.
In the holographic anti-counterfeiting pattern processing method, the annular directional reflection pattern designed around the preselected central point can be directly designed into an observable annular shape formed by the corresponding circular point or can be hidden in the pattern, and the annular shape is formed after the pattern rotates around the central point.
In the holographic anti-counterfeiting pattern processing method, the annular directional reflection patterns designed around the preselected central point can be randomly selected within the three-dimensional range of 0-360 degrees in the directional reflection angle, and the number of the reflection angles used in the design is not limited to 1.
In the holographic anti-counterfeiting pattern processing method, the codes given to the directional reflection signals are not limited to the types of numbers, letters and the like, and can be arranged and combined in different ways, and the codes can be direct codes or encrypted.
In the holographic anti-counterfeiting pattern processing method, the holographic anti-counterfeiting pattern is rotated to be detected, the rotation angle and the speed can be changed according to anti-counterfeiting requirements.
In the holographic anti-counterfeiting pattern processing method, the signal source can be laser or other stable and directional emission and reflection and is suitable for the captured signal source.
In the holographic anti-counterfeiting pattern processing method, the reading and comparison of the signals are judged, the read signals are read and then fed back to real coding information, and the coding comparison is carried out by means of a computer software system to judge the authenticity.
In the holographic anti-counterfeiting pattern processing method, the pattern design circular ring pattern can be but is not limited to 1.
In the holographic anti-counterfeiting pattern processing method, the hidden information preset by the ring pattern can exist independently or can be associated and influenced mutually.
As shown in fig. 1 to 3, the holographic anti-counterfeit label for hiding coded information of the invention comprises a base film layer 1, a holographic pattern layer 2, an evaporation reflection layer 3, a pressure-sensitive adhesive layer 4 and a base paper layer 5, wherein the base film layer 1 is a PET base film layer, the base film layer 1 is coated with imaging resin, and the imaging resin layer is molded through a holographic molding metal plate at 100-300 ℃ to form the holographic pattern layer 2; then, arranging an evaporation coating reflecting layer 3 on the holographic pattern layer 2 by adopting a vacuum coating process; the base paper layer 5 is arranged on the evaporation coating reflecting layer 3 through the pressure-sensitive adhesive layer 4. Then the base film layer 1, the holographic pattern layer 2, the evaporation reflection layer 3, the pressure-sensitive adhesive layer 4 and the base paper layer 5 are compounded by pressure and are molded after die cutting.
The holographic pattern layer 2 molded by the holographic molding metal plate processed by the steps has a rotation detection central point 6 on the holographic pattern layer 2, and the rotation detection central point 6 of the invention is a coordinate point or a position point of a relative position of a designated pattern when the pattern is designed. In the present invention, the hologram pattern layer 2 is a transfer pattern formed by transferring a pattern to the imaging resin layer only through the hologram molding metal plate, and the pattern structure and composition of the hologram pattern layer 2 are the same as those of the hologram molding metal plate.
As shown in fig. 5 to 10, the pattern surrounding the rotation detection center point has a directional reflection performance. The microstructure of the directional reflection pattern unit is characterized in that the directional reflection pattern unit is composed of microscopic semi-arc patterns, or fixed angle stripes, or other microstructure effects with total reflection conditions by applying a total reflection principle, and the microstructures are arranged into a matrix through calculation to form the directional reflection pattern unit.
The base film layer 1 is a PET base film or other film type rolled base material, and the thickness of the film is 10-100 mu m;
the imaging resin is preferably acrylic plastic resin, and the softening point temperature is 100-300 ℃;
the holographic pattern layer 2 of the invention preferably has the full-separation or half-separation characteristic, and if the label is forcedly lifted after being attached, the holographic pattern layer can be separated from the surface layer of the base film, so that the holographic pattern is damaged, and the disposable anti-counterfeiting effect is achieved.
The evaporation reflecting layer 3 of the invention is preferably manufactured by adopting a coating process, the coating material uses metal substances such as aluminum, copper, nickel and the like, the purity is required to be more than 99.9 percent, and the coating has a non-transparent or semitransparent effect.
The pressure-sensitive adhesive layer 4 of the invention is preferably a pressure-sensitive adhesive layer of water-based or oil-based acrylic pressure-sensitive adhesive or EVA hot-melt pressure-sensitive adhesive.
The base paper layer 5 of the invention is preferably single-sided silicone oil paper, glassine silicone oil base paper or single-sided silicone oil release film.
According to the holographic anti-counterfeiting label with hidden coded information, when the pattern is rotated by the selected detection central point 6 and the laser signal source 9 is used for transmitting signals to the directional reflection area, such as the directional radiation angle I7 and the directional radiation angle II 8 shown in the figures 3 and 4, the signal receiver 10 can receive the signals from different reflection angles, and then the signals are read and analyzed by the computer and compared with the signal codes to judge the authenticity of the product, so that the anti-counterfeiting performance of the label is improved, and the anti-counterfeiting judgment mode is increased.
Claims (6)
1. A method for processing a holographic anti-counterfeiting pattern with pre-stored coded information is characterized by comprising the following steps: the method comprises the following steps: step one, a mark point in a pattern is selected in advance to serve as the center of a circle of an annular pattern with hidden coding information;
step two, starting from the selected central point, arranging one or more concentric ring patterns, wherein the ring patterns have independent effects or are integrated into an integral anti-counterfeiting pattern;
distributing directional reflection pattern units with different angles on a single circular ring pattern according to the circular perimeter and preset coding information;
fourthly, the width between the inner ring and the outer ring of each circular ring is larger than 0.05 mm;
and step five, pre-defining the signals received by the set reflection angles in different directions with corresponding digital codes.
2. The holographic anti-counterfeiting pattern processing method of the pre-stored coded information according to claim 1, characterized in that: further comprising the steps of: sixthly, printing the design pattern conforming to the steps from the first step to the fifth step on the photosensitive glass plate by adopting a photoetching process; and seventhly, preparing the holographic molded metal plate by spraying silver and electroforming the photosensitive glass plate with the patterns.
3. The holographic anti-counterfeiting pattern processing method of the pre-stored coded information according to claim 1, characterized in that: the width between the inner ring and the outer ring of each circular ring ranges from 0.05mm to 1 mm.
4. The holographic anti-counterfeiting pattern processing method of the pre-stored coded information according to claim 1, characterized in that: the selected center point is an observable point existing in the design of the pattern or a coordinate point of a corresponding position in the area of the pattern.
5. The holographic anti-counterfeiting pattern processing method of the pre-stored coded information according to claim 1, characterized in that: the reflection pattern is an observable circular ring formed by corresponding circle center points, or a circular ring which is hidden in the pattern and is formed after the pattern rotates around the circle center points.
6. The holographic anti-counterfeiting pattern processing method of the pre-stored coded information according to claim 1, characterized in that: the directional reflection angle of the reflection pattern is randomly selected within a three-dimensional range of 0-360 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810071026.3A CN108445728B (en) | 2018-01-25 | 2018-01-25 | Holographic anti-counterfeiting pattern processing method for pre-storing coded information |
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| CN201810071026.3A CN108445728B (en) | 2018-01-25 | 2018-01-25 | Holographic anti-counterfeiting pattern processing method for pre-storing coded information |
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| CN108445728A CN108445728A (en) | 2018-08-24 |
| CN108445728B true CN108445728B (en) | 2021-03-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308674A (en) * | 2007-05-15 | 2008-11-19 | 索尼株式会社 | Beam applying method, optical recording medium, and recording and reproducing apparatus |
| CN101590784A (en) * | 2008-05-26 | 2009-12-02 | 中国印钞造币总公司 | Composite anti-counterfeit element |
| CN206892906U (en) * | 2017-05-16 | 2018-01-16 | 李峰 | A kind of stereochemical structure three-dimension code and anti-counterfeit structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010121293A1 (en) * | 2009-04-21 | 2010-10-28 | Securency International Pty Ltd | Optically variable device and security document including same |
| CN201950913U (en) * | 2010-12-22 | 2011-08-31 | 东莞虎彩印刷有限公司 | Laser holographic encryption anti-counterfeiting master plate |
| DK2780866T3 (en) * | 2011-11-15 | 2021-11-15 | Nestle Sa | CARRIER AND Capsule FOR PREPARING A BEVERAGE BY CENTRIFUGATION, SYSTEM AND PROCEDURE FOR PREPARING A BEVERAGE BY CENTRIFUGATION |
| CN106022199B (en) * | 2016-05-31 | 2019-02-05 | 王灿锋 | A kind of optomagnetic information coding disk and its information read device and information-reading method |
| CN107480744B (en) * | 2017-05-17 | 2020-09-15 | 上海冠众光学科技有限公司 | Anti-counterfeit label generation method containing watermark information and anti-counterfeit label |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308674A (en) * | 2007-05-15 | 2008-11-19 | 索尼株式会社 | Beam applying method, optical recording medium, and recording and reproducing apparatus |
| CN101590784A (en) * | 2008-05-26 | 2009-12-02 | 中国印钞造币总公司 | Composite anti-counterfeit element |
| CN206892906U (en) * | 2017-05-16 | 2018-01-16 | 李峰 | A kind of stereochemical structure three-dimension code and anti-counterfeit structure |
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