CN111242264A - Electronic tag with shielding structure and manufacturing method - Google Patents
Electronic tag with shielding structure and manufacturing method Download PDFInfo
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- CN111242264A CN111242264A CN202010223295.4A CN202010223295A CN111242264A CN 111242264 A CN111242264 A CN 111242264A CN 202010223295 A CN202010223295 A CN 202010223295A CN 111242264 A CN111242264 A CN 111242264A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
- G06K19/07722—Physical layout of the record carrier the record carrier being multilayered, e.g. laminated sheets
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Credit Cards Or The Like (AREA)
Abstract
The invention relates to an electronic tag with a shielding structure and a manufacturing method thereof, belonging to the technical field of radio frequency identification. The anti-transfer electronic tag comprises a shielding layer, an adhesive layer A, a film layer, an anti-transfer layer, an adhesive layer B, an electronic tag inlay layer and a bottom paper layer which are sequentially arranged from top to bottom; the outer surface of the shielding layer is printed with variable information, and the variable information is correspondingly written into the electronic tag inlay layer; the shielding layer completely covers the electronic tag inlay layer. The invention improves the physical threshold of reading information of the electronic tag and meets the special requirement of anti-counterfeiting tracing.
Description
Technical Field
The invention relates to an electronic tag with a shielding structure and a manufacturing method thereof, belonging to the technical field of radio frequency identification.
Background
RFID radio frequency identification technology: the full English name of the RFID is Radio Frequency identification RFID, which is simply a non-contact automatic identification technology, and the RFID automatically identifies a target object and acquires related data through a Radio Frequency signal, so that the whole identification work does not need manual intervention and can work in various severe environments. RFID technology can identify objects moving at high speeds and a single very specific object, and can identify multiple tags simultaneously. Because it adopts radio frequency, can see through the outside material and read data, can discern a plurality of objects simultaneously moreover, so, more convenient and fast, except these, still have the biggest characteristic can the storage information.
RFID application case. The development of the internet of things technology promotes the application of the radio frequency identification technology RFID, and more electronic tags in different packaging forms are available. The RFID technology has been applied to the fields of manufacturing process control and management, transportation management, industrial and agricultural product tracing management, livestock breeding management, retail logistics distribution, electronic port and inspection and quarantine management, large-scale activities, military equipment and material management, and national power grid and book archive management, and gradually forms large-scale application. The electronic tag is mainly applied to the fields of clothing tags, RFID tickets, manufacturing logistics and supply chains, military affairs, book archives, commercial retail, animals, vehicles, medical treatment, aviation, postal service and the like. According to the use requirements of international standards on electronic tags in different frequency bands, the functions of the electronic tags are gradually accepted and confirmed by people in various industries and fields.
3. Existing electronic tag production method
The production of the electronic tag is the process of carrying out secondary packaging on the basis of making inlay to obtain a finished product. The more common methods are:
(1) adhesive sticker compounding method: the method is characterized in that self-adhesive materials are adopted, and the self-adhesive electronic tags are produced on a compounding device through an online gluing or compounding double-sided adhesive tapes and embedding technology.
(2) Injection molding: according to the requirement of the project on the application of the electronic tag, the shell is designed, a mold is manufactured, the shell is produced through injection molding, and then the shell is bonded through an adhesive or welded through ultrasonic waves.
(3) A card making method: printing card making materials such as PVC and the like according to the design, fixing the inlay on the inner side of the card making materials such as PVC and the like in a spot welding mode, mounting and fixing, heating and pressurizing the card making materials by using a pressing machine for synthesis, and finally completing the manufacture of the card electronic tags by card punching.
(4) A printing method: on the surface of paper material, film material, synthetic paper material, etc., according to the antenna design (usually ultra-high frequency), make the antenna printing plate, use the conductive ink: the antenna is printed with conductive silver paste, graphene and the like, and the electronic tag is produced after chip binding, gluing compounding and die cutting.
(5) Other methods are as follows: the electronic tags are widely applied, and the manufacturing method is also very strange and various, and other methods such as a drop molding method, a ceramic printing method, a flexible metal-resistant structure method, a silica gel melt casting method, a paper ticket card method, a wrist strap production method and the like exist.
The existing RFID electronic tag can read information conveniently only by using a reader-writer matched with standards, and the visual confidentiality of TID (terminal identification) numbers and internal stored information is poor, so that the use requirement cannot be met in some application scenes that chip information needs to be confidential.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the electronic tag with the shielding structure is provided, the physical threshold of the electronic tag for reading information is improved, and the special anti-counterfeiting tracing requirement is met.
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the manufacturing method of the electronic tag with the shielding structure is simple, feasible, scientific and reasonable.
The electronic tag with the shielding structure comprises a shielding layer, an adhesive layer A, a film layer, an anti-transfer layer, an adhesive layer B, an electronic tag inlay layer and a bottom paper layer which are sequentially arranged from top to bottom;
the outer surface of the shielding layer is printed with variable information, and the variable information is correspondingly written into the electronic tag inlay layer; the shielding layer completely covers the electronic tag inlay layer.
Further preferably, the shielding layer material is a conductive material.
Further preferably, the shielding layer is made of a metal foil film or conductive rubber or an organic conductive material.
Further preferably, the anti-transfer layer is an anti-transfer lift-off membrane or a transparent isolation layer.
Further preferably, the film layer is a PET film layer.
Further preferably, the adhesive layer A is adhesive sticker or composite glue.
Further preferably, the adhesive layer B is a hot melt pressure sensitive adhesive, a solvent type pressure sensitive adhesive or a water emulsion pressure sensitive adhesive.
The invention relates to a method for manufacturing an electronic tag with a shielding structure, which comprises the following steps:
(1) printing cursors and variable information on the anti-transfer layer;
(2) gluing and compounding the electronic tag inlay, then die-cutting to manufacture a wet electronic tag inlay, and transferring and pasting the wet electronic tag inlay onto the anti-transfer layer;
(3) writing in the information of the electronic tag inlay;
(4) coating glue on the surface of the shielding layer to compound the film layer on the back of the transfer-proof layer;
(5) collecting variable information, and printing the variable information on the other surface of the shielding layer, wherein the printing position is consistent with the electronic tag inlay composite position;
(6) coating glue on the surface of the base paper layer, and compounding an electronic tag inlay surface;
(7) and die cutting to obtain the electronic tag with the shielding structure.
Further preferably, after the shielding layer is compounded with the film layer, the cursor and the variable information on the anti-transfer layer are completely exposed; and when die cutting is carried out, cutting off the cursors and the variable information on the anti-transfer layer.
Further preferably, the information written into the electronic tag inlay is variable information; or the variable information is associated with the TID of the chip of the electronic tag inlay.
And (3) mechanism analysis:
1. the shielding technology comprises the following steps: conductive metals can reflect, absorb, and cancel electromagnetic waves. Thereby playing a role in reducing electromagnetic wave radiation. (1) When the frequency of the interference electromagnetic field is higher, the eddy current generated in the metal material with low resistivity is utilized to form the counteraction effect on the electromagnetic wave, thereby achieving the shielding effect. (2) When the frequency of the interference electromagnetic wave is low, a material with high magnetic permeability is adopted, so that magnetic lines of force are limited in the shield body, and are prevented from being diffused to a shielded space. (3) In some cases, if a good shielding effect is required for both high-frequency and low-frequency electromagnetic fields, different metal materials are often used to form the multilayer shield.
It is also a requirement that the entire shield surface be electrically continuous and that there be no conductors that penetrate the shield directly. This provides good shielding.
In addition to metals, any material that conducts electricity well may be used as the electromagnetic shield. Such as: conductive rubber, metal mesh, organic conductive material, and the like.
The working mechanism of the electronic tag is to transmit and receive electromagnetic waves to realize the air transmission of data information. In the invention, the shielding of the electronic tag is realized, and in the use of the shielding technology, a conductive metal film with a certain thickness is selected, and an aluminum film, a copper film or other conductive materials can be selected, so long as the materials which are convenient for manufacturing the electronic tag and meet the shielding function can be used as the materials selected by the invention.
Through the use of the shielding material, the electromagnetic wave receiving and transmitting of the electronic tag are effectively shielded, and the security of the electronic tag is realized from the physical perspective. In some application scenarios, an authorized user can read the electronic tag information or write the storage information after selecting to remove the shielding material.
2. Anti-transfer technology. The anti-transfer technology is a special technology designed for the self-adhesive label, and other parts of the label can be completely or locally remained on an attached object after a surface layer is uncovered through the layer structure design, so that the label is prevented from being moved for other purposes, and the label is fake and spurious. In the invention, the shielding layer is used as a surface layer and is matched with the shielding layer, the anti-transfer structure is designed, after the shielding layer of the label is uncovered, the film layer is separated from the anti-transfer layer, the anti-transfer layer and the electronic label inlay layer are left on the attached object, namely the electronic label inlay can be completely left on the attached object, and after the shielding layer is removed, the electronic label inlay can be continuously read or written with information. The transfer-proof layer can be a transparent isolation layer material or a hollow-out film-removing material with transfer-proof information. The use of the uncovering film material can help the label to have an anti-counterfeiting function or a function of identifying whether the label is used or not.
3. And (5) processing the information. The information processing method is mainly characterized in that the association relationship is established between the bar code information on the surface of the shielding layer and the TID number of the electronic tag chip; or writing the bar code information of the surface layer of the shielding layer into the electronic tag chip in advance, and acquiring the variable information on the shielding layer and checking the variable information with the information in the electronic tag chip when the electronic tag with the shielding structure is used; the variable information on the surface of the shielding layer can be used for anti-counterfeiting inquiry or accessing a certain webpage, after the shielding layer is removed, the TID number of the electronic tag chip is read for verification and the like, the information processing mode is very flexible, and the operation mode can be designed according to the specific data use requirement.
4. Provided is an information transfer method technology. In the invention, in order to accurately write the variable information on the surface layer of the shielding layer into the electronic tag chip, a technical method of information transfer processing is adopted, namely, information needing to be related or written into the chip is printed on a film with a transfer-proof layer, before the shielding layer is compounded, the information is related to the TID number of the chip or is written into the chip after collection, the electronic tag is covered by the compound shielding layer, and meanwhile, the variable information printed on the transfer-proof layer in advance is transferred onto the surface of the shielding layer after collection. When the label is subjected to die cutting and slitting, the information pre-printed on the transfer-preventing layer is cut off, and the information transfer processing is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the anti-transfer layer is arranged, the information of the anti-transfer layer is transferred and printed on the shielding layer and is written into the electronic tag inlay, the shielding layer can play a role in shielding and protecting the electronic tag inlay, the information of the electronic tag inlay is prevented from being read at will, data association is established between the variable information on the shielding layer and the electronic tag inlay, the TID number of the chip on the electronic tag inlay is unique, the data association is established between the variable information on the shielding layer and the unique TID number of the chip on the electronic tag inlay, anti-counterfeit identification is increased, the difficulty of data information association is increased, the physical threshold of reading the information of the electronic tag is improved, the security is good, and the special requirement of anti-counterfeit tracing is met.
2. The preparation method is simple, feasible, scientific and reasonable.
Drawings
Figure 1 is a schematic structural view of an embodiment of the present invention,
FIG. 2 is a schematic structural diagram of the anti-transfer layer after being compounded with an electronic tag inlay layer,
figure 3 is a schematic diagram of the rear structure of the transfer-resistant layer composite shielding layer in figure 2,
figure 4 is a schematic view of the finished electronic label with shielding structure after die cutting,
figure 5 is one of the schematic structural diagrams of the front side of the electronic label with the shielding structure according to the present invention,
fig. 6 is a schematic diagram of the electronic label with the shielding structure shown in fig. 5 after the shielding layer is removed;
fig. 7 is a second schematic diagram of a front structure of an electronic tag having a shielding structure according to the present invention;
fig. 8 is a schematic diagram of the electronic label with the shielding structure shown in fig. 7 after the shielding layer is removed.
In the figure: 1. the electronic label comprises a shielding layer 2, an adhesive layer A3, a PET film layer 4, an anti-transfer layer 5, an electronic label inlay layer 6, an adhesive layer B7, a bottom paper layer 8, variable information 9, a chip 10 and a cursor.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
example 1
As shown in fig. 1 to 8, the method for manufacturing an electronic tag with a shielding structure according to the present invention includes the following steps:
(1) the cursor 10 and the variable information 8 are printed on the anti-transfer layer 4: selecting an anti-transfer uncovering membrane with a certain width and a hidden VOID, and printing a cursor with a certain jump distance and bar code variable information at the edge position of the membrane, as shown in figure 2;
(2) processing a wet electronic label inlay: selecting a round high-frequency electronic tag inlay, coating a solvent-type pressure-sensitive adhesive, compounding, and performing die cutting to obtain a wet inlay;
(3) transferring an electronic tag inlay: a labeling machine is used for positioning and transferring a wet electronic label inlay cursor onto the transfer-proof uncovering and engraving film which is printed with the cursor and bar code variable information;
(4) writing the bar code variable information into the electronic tag inlay: on the information processing equipment provided with a bar code acquisition gun and a reader-writer, the bar code acquisition gun can adopt a bar code reader of Honeywell company, the model number of which is VUQUEST3310 g; the reader-writer can adopt a reader-writer of Deka company, model D8; starting a bar code information data acquisition function and a reader-writer writing function, acquiring bar code variable information on the anti-transfer layer, and writing the bar code variable information into a chip 9 of the electronic tag inlay through the reader-writer;
(5) a composite shielding layer: after bar code variable information is collected and written into the electronic tag inlay, compounding the shielding layer and the PET film layer on the back of the anti-transfer layer on the compounding equipment by adopting compound non-setting adhesive glue, wherein the cursor and the bar code variable information on the anti-transfer layer need to be completely exposed; the shielding layer is required to completely cover the electronic tag inlay antenna, so that the effect of complete shielding is achieved;
(6) information transfer printing: on the equipment provided with a bar code information collector and a spray head for spraying and printing variable information, the bar code variable information collector and the variable information spray printing function are started, bar code variable information of the transfer prevention layer is collected, and meanwhile, the bar code variable information is positioned and sprayed and printed on a shielding layer covering the electronic tag inlay to complete information transfer, as shown in figure 3;
(7) and (3) compounding a base paper layer: selecting silicone oil paper with matched width as a base paper layer, coating adhesive sticker, and compounding with the electronic tag inlay surface with the shielding layer;
(8) die cutting and slitting: on the flat-pressing flat-die cutting machine, the die-cutting rule is adjusted, the cursor position is tracked to carry out die-cutting on the label, and meanwhile, the cursor and the bar code variable information printed on the anti-transfer film are cut off by the cutting-cutting rule, so that the electronic label with the shielding structure is obtained, as shown in fig. 4.
As shown in fig. 1, the electronic tag with a shielding structure of the present invention includes a shielding layer 1, an adhesive layer a2, a film layer, an anti-transfer layer 4, an adhesive layer B, an electronic tag inlay layer 5, and a base paper layer 7, which are sequentially arranged from top to bottom;
variable information is printed on the outer surface of the shielding layer 1 and is correspondingly written into the electronic tag inlay layer 5; the shielding layer 1 completely covers the electronic label inlay layer 5.
The shielding layer 1 is made of conductive material. The shielding layer 1 material can be a metal foil film or conductive rubber or organic conductive material.
The transfer-proof layer 4 is a transfer-proof hollow-out film.
The film layer is a PET film layer 3.
The adhesive layer A2 is a self-adhesive sticker.
Adhesive layer B6 is a solvent-based pressure sensitive adhesive.
Working process or working principle:
removing the base paper layer, and adhering the electronic tag with the shielding structure to a product; due to the shielding effect of the shielding layer, the reader-writer cannot read the information in the electronic tag inlay;
the printed variable information can be bar code variable information, and the variable information can also be two-dimensional code variable information; as shown in fig. 5-6, the electronic label with the shielding structure before and after removing the shielding layer is schematically shown in the figure. And the shielding layer and the PET film layer are removed, the electronic tag inlay layer and the anti-transfer layer are left on the product, information in the electronic tag inlay can be read by a reader-writer, and variable information in the electronic tag inlay layer is checked to be consistent with variable information on the shielding layer, so that the anti-counterfeiting effect is realized.
Example 2
The invention relates to a method for manufacturing an electronic tag with a shielding structure, which comprises the following steps:
(1) the transfer-resistant layer 4 is printed with cursors and variable information: selecting a transparent isolation layer with a certain width as an anti-transfer layer, and printing cursor and bar code variable information with a certain jump distance at the edge position of the transparent isolation layer;
(2) manufacturing a wet electronic label inlay: selecting an ultrahigh frequency electronic tag inlay, coating a water-emulsion pressure-sensitive adhesive, compounding, and performing die cutting to obtain a wet inlay;
(3) transferring an electronic tag inlay: a labeling machine is used for positioning and transferring the wet inlay onto a transparent anti-transfer layer printed with variable information of the cursor and the bar code;
(4) writing the bar code variable information into the electronic tag inlay: on the information processing equipment provided with a bar code acquisition gun and a reader-writer, the bar code acquisition gun can adopt a bar code reader of Honeywell company, the model number of which is VUQUEST3310 g; the reader-writer can adopt IMPNJ speedway R220; starting a bar code information data acquisition function and a reader-writer writing function, acquiring bar code variable information, aligning the bar code variable information to an electronic tag inlay synchronous with a cursor through the reader-writer, and writing the bar code variable information into an electronic tag chip;
(5) a composite shielding layer: on a compounding device, polyurethane bi-component glue is adopted to compound the shielding layer and the PET film layer on the back of the anti-transfer layer, and the cursor and the bar code variable information on the anti-transfer layer of the shielding layer need to be completely exposed; the shielding layer is required to completely cover the electronic tag inlay antenna, so that the effect of complete shielding is achieved;
(6) information transfer printing: on the equipment provided with a bar code information collector and a spray head for spraying and printing variable information, starting the bar code variable information collector and the variable information spray printing function, collecting the bar code variable information of the anti-transfer layer, and simultaneously positioning and spraying and printing the bar code variable information on a shielding layer covering the electronic tag inlay to finish information transfer;
(7) and (3) compounding a base paper layer: selecting silicone oil paper with matched width as a base paper layer, coating adhesive sticker, and compounding with the electronic tag inlay surface with the shielding layer;
(8) die cutting and slitting: and on the flat-pressing flat die cutting machine, adjusting a die cutting knife, tracking the position of the cursor to perform die cutting on the label, and simultaneously cutting off the cursor and the variable information of the bar code printed on the anti-transfer film by adopting a cutting and cutting knife.
And obtaining the electronic tag with the shielding structure.
The electronic tag with the shielding structure comprises a shielding layer 1, an adhesive layer A2, a film layer, an anti-transfer layer 4, an adhesive layer B, an electronic tag inlay layer 5 and a base paper layer 7 which are sequentially arranged from top to bottom;
variable information is printed on the outer surface of the shielding layer 1 and is correspondingly written into the electronic tag inlay layer 5; the shielding layer 1 completely covers the electronic label inlay layer 5.
The shielding layer 1 is made of conductive material. The shielding layer 1 material can be a metal foil film or conductive rubber or organic conductive material. The shielding layer can be a metal foil film, and the shielding layer can be a metal foil film made of aluminum or copper conductive materials; the transfer-resistant layer 4 may be a transparent barrier layer.
The film layer is a PET film layer 3.
The base paper layer can also be a silicon oil film.
The glue layer A2 is polyurethane bi-component glue.
The adhesive layer B6 is a water-emulsion pressure-sensitive adhesive.
As shown in fig. 7-8, before and after the shielding layer is removed, the electronic tag having the shielding structure has a schematic structural diagram, and the variable information may be two-dimensional code variable information. After the shielding layer is removed, the information in the electronic tag inlay can be read by a reader-writer, and whether the variable information in the electronic tag inlay is consistent with the variable information on the shielding layer or not can be checked, so that the anti-counterfeiting effect is realized.
The variable information on the surface of the shielding layer can be associated with the TID number of the electronic tag chip; and establishing association information between the variable information on the surface of the shielding layer and the TID number of the electronic tag chip to be set as an anti-counterfeiting inquiry or inquiry webpage, and after the shielding layer is removed, reading the TID number of the electronic tag chip to perform anti-counterfeiting verification or logging in the inquiry webpage to perform verification.
The description of the directions and the relative position relationship of the structures in the present invention, such as the description of the front, the back, the left, the right, the upper and the lower, does not limit the present invention, and is only for the convenience of description.
Claims (9)
1. An electronic tag with a shielding structure is characterized by comprising a shielding layer (1), a glue layer A (2), a film layer, an anti-transfer layer (4), a glue layer B, an electronic tag inlay layer (5) and a bottom paper layer (7) which are sequentially arranged from top to bottom;
variable information is printed on the outer surface of the shielding layer (1), and the variable information is correspondingly written into the electronic tag inlay layer (5); the shielding layer (1) completely covers the electronic tag inlay layer (5).
2. The electronic tag with shielding structure according to claim 1, wherein the material of the shielding layer (1) is a conductive material.
3. The electronic label with shielding structure of claim 1, characterized in that the anti-transfer layer (4) is an anti-transfer release film or a transparent isolation layer.
4. The electronic tag with shielding structure according to any one of claims 1-3, wherein the film layer is a PET film layer (3).
5. The electronic tag with shielding structure according to claim 4, wherein the adhesive layer A (2) is a self-adhesive or a composite glue.
6. The electronic tag with shielding structure according to claim 4, wherein the adhesive layer B (6) is a hot melt pressure sensitive adhesive, a solvent-based pressure sensitive adhesive or a water emulsion pressure sensitive adhesive.
7. A manufacturing method of an electronic tag with a shielding structure is characterized by comprising the following steps:
(1) the cursor and variable information are printed on the anti-transfer layer (4);
(2) gluing and compounding the electronic tag inlay, then die-cutting to manufacture a wet electronic tag inlay, and transferring and pasting the wet electronic tag inlay onto the anti-transfer layer (4);
(3) writing in the information of the electronic tag inlay;
(4) glue is coated on the surface of the shielding layer (1) to compound a film layer on the back of the anti-transfer layer (4);
(5) variable information is collected and printed on the other surface of the shielding layer (1), and the printing position is consistent with the electronic tag inlay composite position;
(6) glue is coated on the surface of the base paper layer (7) to compound an inlay surface of the electronic tag;
(7) and die cutting to obtain the electronic tag with the shielding structure.
8. The method for manufacturing the electronic tag with the shielding structure according to claim 7, wherein after the shielding layer (1) is compounded with the film layer, the cursor and the variable information on the anti-transfer layer (4) are completely exposed; when die cutting is carried out, the cursors and the variable information on the transfer prevention layer (4) are cut off.
9. The method for manufacturing an electronic tag having a shielding structure according to claim 7, wherein the information written in the electronic tag inlay is variable information; or the variable information is associated with the TID of the chip of the electronic tag inlay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223295.4A CN111242264A (en) | 2020-03-26 | 2020-03-26 | Electronic tag with shielding structure and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223295.4A CN111242264A (en) | 2020-03-26 | 2020-03-26 | Electronic tag with shielding structure and manufacturing method |
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| CN111242264A true CN111242264A (en) | 2020-06-05 |
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| CN202010223295.4A Withdrawn CN111242264A (en) | 2020-03-26 | 2020-03-26 | Electronic tag with shielding structure and manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113435562A (en) * | 2021-06-11 | 2021-09-24 | 山东泰宝信息科技集团有限公司 | Radio Frequency Identification (RFID) and two-dimensional code information associated white spirit bottle cap and manufacturing method thereof |
| CN117273049A (en) * | 2023-10-26 | 2023-12-22 | 广州市丽宝包装有限公司 | Method for combining variable color patterns with RFID (radio frequency identification) tag and tag |
-
2020
- 2020-03-26 CN CN202010223295.4A patent/CN111242264A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113435562A (en) * | 2021-06-11 | 2021-09-24 | 山东泰宝信息科技集团有限公司 | Radio Frequency Identification (RFID) and two-dimensional code information associated white spirit bottle cap and manufacturing method thereof |
| CN117273049A (en) * | 2023-10-26 | 2023-12-22 | 广州市丽宝包装有限公司 | Method for combining variable color patterns with RFID (radio frequency identification) tag and tag |
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