Square RFID tag
By using a combination of coated paper layer, square antenna layer and double-sided adhesive in electronic labels, combined with etching aluminum technology and ultrasonic cutting, the problems of electronic label sealing and radio frequency identification effect are solved, and higher bending resistance is achieved and waterproof, ensuring the stability and durability of the label in humid environments.
Patent Information
- Application Number
- CN202421231514.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Existing electronic labels have poor sealing properties, are prone to bend and damaged, and have poor RF identification results, especially in humid environments, which show major defects.
Using coated paper layer, first glue layer, square antenna layer, second glue layer and release paper layer, combined with 3M double-sided adhesive and PET aluminum film, square spiral lines and chip interfaces are made through etching aluminum technology, and ultrasonic cutting is used. Technology ensures edges and corners to enhance sealing and waterproofing.
It significantly improves the sealing, bending resistance, radio frequency identification and waterproofness of electronic labels, making them still effective in humid environments, and has good dustproof effect and long-term durability.
Smart Images

Figure CN222354452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic tags, in particular to a square RFID tag. Background Art
[0002] Electronic radio frequency products are increasingly being used in people's lives, and people feel the convenience brought by electronic radio frequency products in their lives and work. Among them, RFID radio frequency identification products are an important product among electronic radio frequency products. RFID radio frequency identification is a non-contact automatic identification technology that automatically identifies the target object and obtains relevant data through radio frequency signals. Generally, electronic tags on the market are placed on the outside of objects. For some objects, these external tags affect the operation of the objects and cause troubles in the use of the objects. In addition, the tags on the market often encounter moisture or wrinkles, which can easily lose the function of the electronic tags. These electronic tags have problems such as poor sealing, easy bending and damage, and poor radio frequency identification effect.
[0003] Therefore, in view of the above problems, the existing electronic tags need to be further improved. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of existing electronic tags, such as poor sealing, easy bending and damage, often being placed outside objects, and poor radio frequency identification effect. Through the design of the electronic tag, the use of coated paper layer, first adhesive layer, square antenna layer, second adhesive layer and release paper layer can effectively improve the sealing, bending resistance, environmental protection, radio frequency identification effect and waterproofness of the electronic tag; the use of coated paper layer and release paper layer, combined with the effect of 3M double-sided adhesive (super glue), the electronic tag has a good sealing effect and dustproof effect; the use of square antenna layer can better identify radio frequency signals and transceiver signals, and the circular antenna can receive and transmit signals in a balanced manner; the use of PET aluminum film, combined with etching aluminum technology, can better make the PET aluminum film antenna according to the design drawing; and then the use of ultrasonic cutting technology can effectively make the edges and corners of the electronic tag well integrated, and the edges will not be opened by water washing, which is non-toxic and harmless to the human body and durable.
[0005] The technical solution of the utility model is as follows:
[0006] A square RFID tag, comprising: a coated paper layer, a first adhesive layer, a square antenna layer, a second adhesive layer and a release paper layer, wherein the first adhesive layer is disposed on the lower surface of the coated paper layer, the second adhesive layer is disposed on the upper surface of the release paper layer, the upper surface of the square antenna layer is connected to the first adhesive layer, the lower surface of the square antenna layer is connected to the second adhesive layer, the coated paper layer with the first adhesive layer and the release paper layer with the second adhesive layer cover the square antenna layer, and the four sides of the square antenna layer are sealed by the first adhesive layer and the second adhesive layer.
[0007] Furthermore, the square antenna layer includes a square spiral line, a connecting line, a first chip interface, a driving chip and a second chip interface, the first chip interface is electrically connected to one end of the driving chip, the second chip interface is electrically connected to the other end of the driving chip, the other end of the first chip interface is electrically connected to one end of the square spiral line, the other end of the square spiral line is electrically connected to one end of the connecting line, and the other end of the connecting line is electrically connected to the other end of the second chip interface.
[0008] Furthermore, the line width of the square spiral line is smaller than the line width of the connecting line.
[0009] Furthermore, the line width of each spiral line on the square spiral line is the same.
[0010] Furthermore, the square spiral wire, the connecting wire, the first chip interface and the second chip interface are all PET aluminum films.
[0011] Furthermore, the driving chip is arranged on the central axis of the square antenna layer.
[0012] Furthermore, the square spiral line, the first chip interface and the second chip interface are all integrally formed.
[0013] Furthermore, the square spiral line, the first chip interface and the second chip interface are all made by aluminum etching technology.
[0014] Furthermore, one end of the connecting wire is welded to the other end of the square spiral wire, and the other end of the connecting wire is welded to the other end of the second chip interface.
[0015] Furthermore, the connecting line is an arrow-shaped connecting line, and the tail of the connecting line is electrically connected to the other end of the second chip interface, and the arrow of the connecting line is electrically connected to the other end of the square spiral line.
[0016] Furthermore, the first adhesive layer and the second adhesive layer are both made of 3M double-sided adhesive.
[0017] Furthermore, the driving chip is a high-frequency chip.
[0018] Furthermore, the model of the driver chip is an ICODE RF4424 chip or an ICODE SLIX chip.
[0019] Furthermore, the coated paper layer, the first adhesive layer, the second adhesive layer and the release paper layer are all square in shape, and the sizes of the coated paper layer, the first adhesive layer, the second adhesive layer and the release paper layer are the same, and the sizes of the coated paper layer, the first adhesive layer, the second adhesive layer and the release paper layer are larger than the size of the square antenna layer.
[0020] Furthermore, the electronic tag is an ultrasonically cut electronic tag.
[0021] With such a configuration, ultrasonic cutting of the electronic tag is adopted, so that the electronic tag has the required shape and other specifications, and at the same time, the edges and corners of the electronic tag can be well integrated.
[0022] Beneficial Effects
[0023] The utility model adopts the design of the electronic tag, and adopts the coated paper layer, the first adhesive layer, the square antenna layer, the second adhesive layer and the release paper layer, which can effectively improve the sealing, bending resistance, environmental protection, radio frequency identification effect and waterproofness of the electronic tag; the coated paper layer and the release paper layer are adopted, and combined with the effect of 3M double-sided adhesive (super glue), the electronic tag has a good sealing effect and dustproof effect; the square antenna layer is adopted, and the radio frequency signal and the receiving and transmitting signal can be better identified, and the square antenna can receive and transmit signals to all sides in a balanced manner; the PET aluminum film is adopted, combined with the etching aluminum technology, the PET aluminum film antenna can be better made according to the design drawing; and the ultrasonic cutting technology is adopted, which can effectively make the corners of the electronic tag well integrated, and the edges will not be separated by water washing, and it is non-toxic and harmless to the human body and durable. The electronic tag can also send and receive signals through NFC, and the mobile phone can be used to collect the electronic tag information anytime and anywhere. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The utility model is a schematic diagram of a square RFID tag structure.
[0025] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a square RFID tag.
[0026] Figure 3 It is a structural schematic diagram of a square antenna layer of a square RFID tag of the utility model.
[0027] Figure numbers: 01, coated paper layer; 02, first adhesive layer; 03, square antenna layer; 04, second adhesive layer; 05, release paper layer; 1, square spiral wire; 2, connecting wire; 3, driving chip; 4, first chip interface; 5, second chip interface. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-Figure 3 As shown, the utility model provides a square RFID tag, which includes: a coated paper layer 01, a first adhesive layer 02, a square antenna layer 03, a second adhesive layer 04 and a release paper layer 05, the lower surface of the coated paper layer 01 is provided with the first adhesive layer 02, the upper surface of the release paper layer 05 is provided with the second adhesive layer 04, the upper surface of the square antenna layer 03 is connected to the first adhesive layer 02, the lower surface of the square antenna layer 03 is connected to the second adhesive layer 04, the coated paper layer 01 with the first adhesive layer 02 and the release paper layer 05 with the second adhesive layer 04 The paper layer 05 covers the square antenna layer 03, and the four sides of the square antenna layer 03 are sealed by the first adhesive layer 02 and the second adhesive layer 04; the first adhesive layer 02 and the second adhesive layer 04 are both made of 3M double-sided adhesive; the coated paper layer 01, the first adhesive layer 02, the second adhesive layer 04 and the release paper layer 05 are all in a square shape, and the sizes of the coated paper layer 01, the first adhesive layer 02, the second adhesive layer 04 and the release paper layer 05 are the same, and the sizes of the coated paper layer 01, the first adhesive layer 02, the second adhesive layer 04 and the release paper layer 05 are larger than the size of the square antenna layer 03;
[0030] Among them, the square antenna layer 03 includes a square spiral line 1, a connecting line 2, a first chip interface 4, a driving chip 3 and a second chip interface 5, the first chip interface 4 is electrically connected to one end of the driving chip 3, the second chip interface 5 is electrically connected to the other end of the driving chip 3, the other end of the first chip interface 4 is electrically connected to one end of the square spiral line 1, the other end of the square spiral line 1 is electrically connected to one end of the connecting line 2, and the other end of the connecting line 2 is electrically connected to the other end of the second chip interface 5; the line width of the square spiral line 1 is smaller than the line width of the connecting line 2, and preferably the line width of the connecting line 2 is four times the line width of the square spiral line 1; and the line width of each spiral line on the square spiral line 1 is the same; the square spiral line 1, the connecting line 2, the first chip interface 4 and the second chip interface 5 are all PET aluminum films, the square spiral line 1, the first chip interface 4 and the second chip interface 5 are all made of one-piece molding, and the square spiral line 1, the first chip interface 4 and the second chip interface 5 are all made of aluminum etching technology; the first chip interface 4 and the second chip interface 5 here are both L-shaped chip interfaces;
[0031] The other end of the square spiral wire 1 is welded with one end of the connecting wire 2, and the other end of the connecting wire 2 is welded with the other end of the second chip interface 5; that is, the connecting wire 2 is an arrow-shaped connecting wire 2, and the tail of the connecting wire 2 is electrically connected to the other end of the second chip interface 5, and the arrow of the connecting wire 2 is electrically connected to the other end of the square spiral wire 1; the square spiral wire 1 is arranged in a square; the square spiral wire includes 8 spiral rings;
[0032] The driving chip 3 is arranged on the central axis of the square antenna layer 03 . The driving chip 3 is a high-frequency chip. The model of the driving chip 3 is an ICODE RF4424 chip or an ICODE SLIX chip.
[0033] The electronic tag is an ultrasonically cut electronic tag.
[0034] The specific implementation principle of the utility model is as follows: a PET aluminum film (optionally 200 μm thick) is selected, and according to the layout of the square antenna, smooth transition arcs (equivalent to round chamfers) are made on the four corners of the square antenna, and an aluminum etching technology is used to etch an integrated square spiral line, a first chip interface and a second chip interface on the PET aluminum film, and then the driving chip is welded to the first chip interface and the second chip interface, and then the connecting wire is welded to the square spiral line and the second chip interface to make a square antenna layer; a release paper with 3M double-sided tape (optionally 150 μm thick) is used to paste the square antenna layer thereon, and then coated paper with 3M double-sided tape (optionally 300 μm thick) is pasted on the square antenna layer, and then compacted to make it bonded; finally, an ultrasonic cutting machine is used to cut the electronic tags of the required specifications.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A square RFID tag, characterized in that: The square RFID tag includes: a coated paper layer, a first adhesive layer, a square antenna layer, a second adhesive layer and a release paper layer, the first adhesive layer is provided on the lower surface of the coated paper layer, the second adhesive layer is provided on the upper surface of the release paper layer, the upper surface of the square antenna layer is connected to the first adhesive layer, the lower surface of the square antenna layer is connected to the second adhesive layer, the coated paper layer with the first adhesive layer and the release paper layer with the second adhesive layer cover the square antenna layer, and the four sides of the square antenna layer are sealed by the first adhesive layer and the second adhesive layer.
2. A square RFID tag according to claim 1, characterized in that: The square antenna layer includes a square spiral line, a connecting line, a first chip interface, a driving chip and a second chip interface. The first chip interface is electrically connected to one end of the driving chip, the second chip interface is electrically connected to the other end of the driving chip, the other end of the first chip interface is electrically connected to one end of the square spiral line, the other end of the square spiral line is electrically connected to one end of the connecting line, and the other end of the connecting line is electrically connected to the other end of the second chip interface.
3. A square RFID tag according to claim 2, characterized in that: The line width of the square spiral line is smaller than the line width of the connecting line.
4. A square RFID tag according to claim 2, characterized in that: The line width of each spiral line on the square spiral line is the same.
5. A square RFID tag according to claim 2, characterized in that: The square spiral wire, the connecting wire, the first chip interface and the second chip interface are all PET aluminum films.
6. A square RFID tag according to claim 5, characterized in that: The driving chip is arranged on the central axis of the square antenna layer.
7. A square RFID tag according to claim 5, characterized in that: The square spiral line, the first chip interface and the second chip interface are all integrally formed.
8. A square RFID tag according to claim 7, characterized in that: The square spiral line, the first chip interface and the second chip interface are all made by aluminum etching technology.
9. The square RFID tag according to claim 2, characterized in that: The other end of the square spiral wire is welded to one end of the connecting wire, and the other end of the connecting wire is welded to the other end of the second chip interface.
10. The square RFID tag according to claim 2, characterized in that: The connecting line is an arrow-shaped connecting line, and the tail of the connecting line is electrically connected to the other end of the second chip interface, and the arrow of the connecting line is electrically connected to the other end of the square spiral line.