CN106448439B - Multilayer anti-counterfeiting label, manufacturing method and using method thereof - Google Patents
Multilayer anti-counterfeiting label, manufacturing method and using method thereof Download PDFInfo
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- CN106448439B CN106448439B CN201610879816.5A CN201610879816A CN106448439B CN 106448439 B CN106448439 B CN 106448439B CN 201610879816 A CN201610879816 A CN 201610879816A CN 106448439 B CN106448439 B CN 106448439B
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- 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
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- 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
- G09F3/0288—Labels or tickets consisting of more than one part, e.g. with address of sender or other reference on separate section to main label; Multi-copy labels
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- 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
- G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
Abstract
The invention discloses a multilayer anti-counterfeiting label, a preparation method and a use method thereof. The multilayer anti-counterfeiting label is composed of more than three layers of labels, each layer of label is bonded in an easy-to-uncover mode through a bonding layer, each layer of label comprises a medium layer and an information layer, and the information layer is arranged on the medium layer. When in use, the label can be uncovered layer by layer to finish multiple anti-counterfeiting verifications. The multilayer anti-counterfeiting label realizes multiple anti-counterfeiting verifications while realizing high-security anti-counterfeiting.
Description
Technical Field
The invention relates to the field of anti-counterfeit labels, in particular to a multilayer anti-counterfeit label, a manufacturing method and a using method thereof.
Background
With the development of society, in order to protect enterprise brands, maintain enterprise images, attack counterfeit products and protect consumers' rights and interests, anti-counterfeit labels are increasingly applied to the circulation of consumer products. The current anti-counterfeiting technologies mainly fall into two categories: hard anti-counterfeiting, namely, the appearance characteristic is used as an anti-counterfeiting means through the design of a dielectric layer; soft anti-counterfeiting, namely, the information is verified through the information layer, and the information is verified to be used as an anti-counterfeiting means. Relevant information of the product is read by scanning various identification codes, such as digital codes, bar codes, invisible images, two-dimensional codes and the like, so that the authenticity of the product is identified.
Common anti-counterfeiting labels include a scratch inquiry anti-counterfeiting label, an optically variable anti-counterfeiting label, an uncover inquiry anti-counterfeiting label, a scratch scanning anti-counterfeiting label and an ultraviolet irradiation anti-counterfeiting label. In addition, there is also a double-layer anti-counterfeiting in the prior art, and the specific structure of the double-layer anti-counterfeiting device comprises a first anti-counterfeiting layer provided with a first identification code and a second anti-counterfeiting layer provided with a second identification code, wherein the first anti-counterfeiting layer and the second anti-counterfeiting layer are overlapped. In fig. 1, the pictures before and after the double-layer security label is uncovered are shown. Some of the technologies do not support repeated verification anti-counterfeiting, such as scratch inquiry anti-counterfeiting, uncover inquiry anti-counterfeiting and scratch scanning anti-counterfeiting, and some technologies can be repeatedly verified, but the security level of the anti-counterfeiting technology is poor, and a label can be directly forged through a label copying technology, such as an optical variable anti-counterfeiting technology and an ultraviolet irradiation anti-counterfeiting technology.
Disclosure of Invention
In order to solve the problems, the invention provides a multilayer anti-counterfeiting label which is composed of more than three layers of labels, wherein the labels of all layers are bonded in an easy-to-open mode through bonding layers, each layer of label comprises a medium layer and an information layer, and the information layer is formed on the medium layer.
Preferably, the dielectric layer is made of a material with anti-counterfeiting characteristics.
Preferably, the anti-counterfeiting optical disc further comprises an anti-counterfeiting layer formed between the medium layer and the information layer.
Preferably, the information layer is a two-dimensional code.
Preferably, the information layer of the top layer label records the guiding information, the information layer of the bottom layer label records the verification information, and the information layer of each layer label in between records the information which is the verification information of the upper layer and the guiding information of the lower layer.
The invention also provides a manufacturing method of the multilayer anti-counterfeiting label, which comprises the following steps: a single-layer label forming step, namely providing a dielectric layer and forming an information layer on the dielectric layer; and an adhesion step of forming an adhesive layer between the single-layer labels and adhering three or more of the single-layer labels in an easily removable manner.
Preferably, the dielectric layer is made of a material with anti-counterfeiting characteristics.
Preferably, the method further comprises a step of manufacturing an anti-counterfeiting layer before forming the information layer, and the anti-counterfeiting layer is printed and formed on the medium layer.
Preferably, the step of forming the information layer on the dielectric layer of each label specifically includes the steps of: an information layer is formed as guide information on the medium layer of the top label, an information layer is formed as authentication information on the medium layer of the bottom label, and information layers are formed as both the authentication information of the upper layer and the guide information of the lower layer on the medium layers of the labels therebetween.
The invention also provides a using method of the multilayer anti-counterfeiting label, the multilayer anti-counterfeiting label comprises n layers, from the top to the bottom, from the 1 st layer to the nth layer, when the first anti-counterfeiting scanning is carried out, the guide information recorded by the information layer of the label of the 1 st layer is read, the anti-counterfeiting data background is guided to send out inquiry information, then the label of the 1 st layer is uncovered, the information recorded by the information layer of the label of the 2 layers is read as the verification information of the current anti-counterfeiting scanning, and the anti-counterfeiting data background verifies and feeds back the composite information of the guide information and the verification information; and performing anti-counterfeiting scanning for multiple times until the nth-1 anti-counterfeiting scanning is performed, reading information recorded by an information layer of the nth-1 layer of label as guide information of the nth-1 anti-counterfeiting scanning when the nth-1 anti-counterfeiting scanning is performed, guiding an anti-counterfeiting data background to send inquiry information, uncovering the nth-1 layer of label, reading verification information recorded by the information layer of the nth layer of label, and verifying and feeding back composite information of the guide information and the verification information by the anti-counterfeiting data background.
Drawings
Fig. 1 is a schematic diagram of a two-layer security label (a) before and (b) after being peeled.
Fig. 2 is a schematic structural diagram of an embodiment of a multilayer security label.
Fig. 3 is a schematic structural diagram of an embodiment of a single-layer security label.
Fig. 4 is a schematic diagram of an embodiment of the information layers of each anti-counterfeit label.
FIG. 5 is a flow chart of an embodiment of a method of making a multi-layer security label.
Fig. 6 is a flow chart of another embodiment of a method of making a multi-layer security label.
Fig. 7 is a flow chart of an embodiment of forming the information layer of each layer of the label.
Fig. 8 is a flow chart of a method of using a multi-layer security label.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly and completely understood, the technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention. The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Fig. 2 is a schematic diagram of an embodiment of a multi-layer security label of the present invention. As shown in fig. 2, the multilayer anti-counterfeit label of the present invention is composed of 6 layers of labels, and includes, from top to bottom, a 1 st layer label L1, a 2 nd layer label L2, a third layer label L3 … …, and a 6 th layer label L6. The labels are adhered to each other by an adhesive layer in such a manner that the labels can be easily peeled off. The invention is not limited thereto and the multilayer label may comprise any number of layers above three, depending on the actual needs. More specifically, as shown in fig. 3, the single layer label Ln includes a dielectric layer Ln1And an information layer Ln2An information layer Ln2Formed on the dielectric layer Ln1The above. Dielectric layer Ln1Is the material of the information-bearing layer, for example plastic, paper, etc. Information layer Ln2For example a two-dimensional code.
In some embodiments, the dielectric layer is preferably a material having anti-counterfeiting properties. In other embodiments, it is preferred to further include an anti-counterfeiting layer formed between the dielectric layer and the information layer, such as an anti-counterfeiting coating formed on the dielectric layer by printing.
The information layer of each layer of the label is described in detail below with reference to fig. 4. As shown in fig. 4, the information layer is a two-dimensional code and is divided into a front code and a rear code. Two-dimensional code L1 of layer 1 label2The front code is recorded with guide information, the information generated by scanning the label guides the background to send out inquiry information, and the two-dimensional code L2 of the layer 2 label2Two-dimensional code L1 as layer 1 label2The two-dimensional code L1 for the layer 1 label is recorded in the post code of (2)2Uncovering the layer 1 label to scan the layer 2 label, the background will scan the front code L12And a suffix L22The compound information is verified and fed back to complete the first anti-counterfeiting scanning verification.
At this time, the layer 2 labelThe label becomes the top label with the two-dimensional code L22As the front code, the guide information is recorded, the information generated by scanning the label guides the background to send out inquiry information, and the two-dimensional code L3 of the layer 3 label2Two-dimensional code L2 as layer 2 label2The two-dimensional code L2 for the layer 2 label is recorded in the post code of (2)2Uncovering the layer 2 label to scan the layer 3 label, the background will scan the front code L22And a suffix L32The composite information is verified and fed back to complete the second anti-counterfeiting scanning verification.
The two-dimension code is uncovered layer by layer, and multiple anti-counterfeiting scanning verification can be completed until the nth layer of label, namely the bottom layer label, is the two-dimension code Ln2Two-dimensional code Ln-1 as n-1 layer label2The back code records verification information to complete the (n-1) th anti-counterfeiting scanning verification.
The multilayer anti-counterfeiting label provided by the invention can realize multiple anti-counterfeiting scanning verification while realizing a higher anti-counterfeiting level.
The method for manufacturing the multilayer antifalsification label of the present invention will be described below with reference to fig. 5 to 7. Fig. 5 is a flowchart illustrating a method for manufacturing a multilayer security label according to the present invention. As shown in fig. 5, the method comprises the following steps:
first, a single-layer label is formed in step S1, a dielectric layer is provided, and an information layer is formed on the dielectric layer; next, in step S2, bonding is performed to form an adhesive layer between the single-layer labels, and the single-layer labels of three or more layers are bonded so as to be easily peeled. Wherein the medium layer is a physical medium carrying an information layer, such as plastic, paper, etc. In some embodiments, the dielectric layer is preferably a physical medium having anti-counterfeiting properties. The information layer record is for example a two-dimensional code.
In another embodiment, as shown in fig. 6, in step S1, a security layer forming step is further included before forming the information layer, and a security layer is formed on the medium layer, for example, by printing.
A flow chart for forming an information layer on the dielectric layer of each label is shown in fig. 7. As shown in fig. 7, the method specifically includes the following steps: in step S11In the layer 1 label, namely the top label, an information layer recorded with guide information is formed; in step S12In the method, a layer 1 label is used as guide information, and an information layer recorded with verification information is formed on a layer 2 label; in step S13In the method, a layer 2 label is used as guide information, and an information layer recorded with verification information is formed on a layer 3 label;
……
in step S1nIn the method, a recording layer in which verification information is recorded is formed on the nth layer label, i.e., the bottom layer label, using the (n-1) th layer label as the guide information.
That is, an information layer is formed as the guide information in the top layer label, an information layer is formed as the authentication information in the bottom layer label, and the information recorded in the information layer of the middle layer label is the authentication information of the previous layer label and the guide information of the next layer label.
The method of using the multilayer label is described below with reference to fig. 8. The used multilayer anti-counterfeiting label comprises n layers, namely a 1 st layer to an nth layer from top to bottom in sequence. Among them, n is preferably a positive integer of 3 or more. A flow chart of a method of using a multi-layer label is shown in fig. 8.
In the first forgery prevention scan ST1, first, in step ST11Reading the guide information recorded in the information layer of the layer 1 label, and guiding the anti-counterfeiting data background to send out inquiry information; then, the process proceeds to step ST12Uncovering the 1 st layer of label, reading the information recorded in the information layer of the 2 layers of label as the verification information of the first anti-counterfeiting scanning; in step ST13The anti-counterfeiting data background verifies and feeds back the composite information of the guide information and the verification information;
in the secondary forgery prevention scan ST2, first, in step ST21Reading information recorded in an information layer of the layer 2 label as guide information for the second anti-counterfeiting scanning, and guiding an anti-counterfeiting data background to send out inquiry information; then, the process proceeds to step ST22Uncovering the layer 2 label, reading the information recorded in the information layer of the layer 3 label as the verification information of the second anti-counterfeiting scanning; in step ST23The middle anti-counterfeiting data background verifies and feeds back the composite information of the guide information and the verification information;
performing anti-counterfeiting scanning for multiple times until the n-1 st anti-counterfeiting scanning is performed, and performing the n-1 st anti-counterfeiting scanning STn-1 in step STn-11The information recorded in the information layer of the (n-1) th layer of label is read as the guide information of the (n-1) th anti-counterfeiting scanning, and the background of the anti-counterfeiting data is guided to send out inquiry information; then, step STn-1 is performed2Uncovering the n-1 layer label, and reading the verification information recorded by the information layer of the n layer label; in step STn-13And the intermediate anti-counterfeiting data background verifies and feeds back the composite information of the guide information and the verification information.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments. For example, in the method for manufacturing a multilayer two-dimensional code, the order of some steps may be changed, for example, the bottom label information layer may be manufactured first, then the label information layers of the respective layers may be manufactured layer by layer from bottom to top, and finally the top label information layer may be manufactured. In addition, the present invention provides examples of various specific processes and materials, but as will be understood by those skilled in the art, the present invention may be practiced without these specific details. Unless otherwise indicated below, various portions of the devices may be implemented using processes and materials well known in the art.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. A multi-layer anti-counterfeiting label is characterized in that,
the label comprises more than three layers of labels, each layer of label is bonded by a bonding layer in an easy-to-open mode, each layer of label comprises a medium layer and an information layer, the information layer is formed on the medium layer,
the information layer of the top layer label records the guide information, the information layer of the bottom layer label records the verification information, and the information recorded by the information layer of each layer label in the middle is the verification information of the upper layer and the guide information of the lower layer.
2. The multilayer security label according to claim 1,
the dielectric layer is made of a material with anti-counterfeiting characteristics.
3. The multilayer security label according to claim 1,
the anti-counterfeiting film further comprises an anti-counterfeiting layer formed between the medium layer and the information layer.
4. The multilayer security label according to claim 1,
the information layer is a two-dimensional code.
5. A method for manufacturing a multilayer anti-counterfeiting label is characterized in that,
the method comprises the following steps:
a single-layer label forming step, namely providing a dielectric layer and forming an information layer on the dielectric layer;
an adhesion step of forming an adhesive layer between the single-layer labels and adhering three or more of the single-layer labels in an easily removable manner;
the information layer is formed on the medium layer of the top label as guide information, the information layer is formed on the medium layer of the bottom label as verification information, and the information layers are formed on the medium layers of the labels in the middle as verification information of the upper layer and guide information of the next layer.
6. The method for manufacturing a multilayer antifalsification label according to claim 5,
the dielectric layer is made of a material with anti-counterfeiting characteristics.
7. The method for manufacturing a multilayer antifalsification label according to claim 5,
the method also comprises a manufacturing step of an anti-counterfeiting layer before the information layer is formed, and the anti-counterfeiting layer is printed and formed on the medium layer.
8. A using method of a multilayer anti-counterfeiting label comprises n layers from 1 st layer to n layers from top to bottom, wherein n is a positive integer more than 3,
when the first anti-counterfeiting scanning is carried out, reading the guide information recorded by the information layer of the layer 1 label, leading the anti-counterfeiting data background to send out inquiry information, then uncovering the layer 1 label, reading the information recorded by the information layer of the layer 2 label as the verification information of the anti-counterfeiting scanning, and verifying and feeding back the composite information of the guide information and the verification information by the anti-counterfeiting data background;
anti-counterfeiting scanning is carried out for a plurality of times until the n-1 st anti-counterfeiting scanning,
when the anti-counterfeiting scanning is carried out for the (n-1) th time, reading the information recorded by the information layer of the (n-1) th layer of label as the guide information of the anti-counterfeiting scanning for the (n-1) th time, guiding the anti-counterfeiting data background to send out inquiry information, uncovering the (n-1) th layer of label, reading the verification information recorded by the information layer of the (n) th layer of label, and verifying and feeding back the composite information of the guide information and the verification information by the anti-counterfeiting data background.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110867133A (en) * | 2019-11-27 | 2020-03-06 | 深圳市宜美特科技有限公司 | Cross-grain holographic anti-counterfeiting film made of polyester film material |
| CN111951026A (en) * | 2020-08-11 | 2020-11-17 | 浙江码尚科技股份有限公司 | Commodity anti-counterfeiting verification method, device, equipment and system based on two-dimensional code |
| CN112418372A (en) * | 2020-09-29 | 2021-02-26 | 四川谦泰仁投资管理有限公司 | Composite two-dimensional code system with calibration function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456256Y (en) * | 2000-11-30 | 2001-10-24 | 徐劲松 | Bar code label for multi-layer dressings |
| JP2004070272A (en) * | 2002-06-13 | 2004-03-04 | Sasaki Insatsu:Kk | Laminated label and its manufacturing method |
| CN201336107Y (en) * | 2009-01-16 | 2009-10-28 | 福建榕基软件股份有限公司 | Inner-outer code type product certification label |
| CN102893314A (en) * | 2011-04-22 | 2013-01-23 | 松下电器产业株式会社 | Read label for information recording medium and information recording method therefor |
| CN204440827U (en) * | 2015-03-18 | 2015-07-01 | 温州万成包装印刷有限公司 | A kind of multilayer labels |
| CN205384819U (en) * | 2015-11-19 | 2016-07-13 | 安徽嘉木橡塑工业有限公司 | Novel multi -layer label |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10239510B4 (en) * | 2002-08-28 | 2007-05-16 | Schreiner Gmbh & Co Kg | Multi-ply label, multi-ply label container and method of making the multi-ply label |
| US10318962B2 (en) * | 2014-11-17 | 2019-06-11 | Amazon Technologies, Inc. | Authenticity label for items |
-
2016
- 2016-10-04 CN CN201610879816.5A patent/CN106448439B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456256Y (en) * | 2000-11-30 | 2001-10-24 | 徐劲松 | Bar code label for multi-layer dressings |
| JP2004070272A (en) * | 2002-06-13 | 2004-03-04 | Sasaki Insatsu:Kk | Laminated label and its manufacturing method |
| CN201336107Y (en) * | 2009-01-16 | 2009-10-28 | 福建榕基软件股份有限公司 | Inner-outer code type product certification label |
| CN102893314A (en) * | 2011-04-22 | 2013-01-23 | 松下电器产业株式会社 | Read label for information recording medium and information recording method therefor |
| CN204440827U (en) * | 2015-03-18 | 2015-07-01 | 温州万成包装印刷有限公司 | A kind of multilayer labels |
| CN205384819U (en) * | 2015-11-19 | 2016-07-13 | 安徽嘉木橡塑工业有限公司 | Novel multi -layer label |
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