CN113902082A - Tire label and preparation method thereof - Google Patents
Tire label and preparation method thereof Download PDFInfo
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- CN113902082A CN113902082A CN202111150858.2A CN202111150858A CN113902082A CN 113902082 A CN113902082 A CN 113902082A CN 202111150858 A CN202111150858 A CN 202111150858A CN 113902082 A CN113902082 A CN 113902082A
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- tire
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- 238000002360 preparation method Methods 0.000 title description 5
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 239000011888 foil Substances 0.000 claims abstract description 6
- 238000013329 compounding Methods 0.000 claims abstract description 4
- 239000002761 deinking Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000005530 etching Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 229920001721 polyimide Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 19
- 239000010410 layer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
Classifications
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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
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
-
- 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
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
-
- 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
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to a tire label and a method for preparing the same, comprising: a substrate; a main antenna attached to one surface of the substrate; an auxiliary antenna attached to the other surface of the base material; and the radio frequency chip is electrically connected with the main antenna. The method comprises the following steps: compounding and curing the aluminum foils on two sides of the base material; printing the pattern of the main antenna on one side of the substrate; positioning and registering the other side of the base material according to the pattern of the main antenna, and printing the pattern of the auxiliary antenna; etching and deinking to obtain the main antenna and the auxiliary antenna; and bonding the radio frequency chip to the main antenna, and drying to obtain the tire label.
Description
Technical Field
The invention relates to the field of electronic tags, in particular to a tire tag and a preparation method thereof.
Background
In the production process of the tire, the number of the tire needs to be traced, the whole production process of the tire needs to be tracked through the number, and the number of the tire is identified in the subsequent process of warranty and the like so as to obtain the production information of the tire. The method is used for anti-counterfeiting tracing of tires, and can prevent counterfeiting and goods mixing, so that the tire is good in quality and fake.
At present, the tire tracing marks commonly adopted in China are provided with the following types, one type is that the information of the tire is stored in a form of a bar code and tire side information, the information amount is limited, and the positions of the information are all on the surface of a tire body. The other is an implanted tire label, an electronic label is implanted into raw rubber at the tire forming stage, the tire needs to be formed in a high-temperature and high-pressure environment in the production process, meanwhile, the tire can also be subjected to the conditions of high temperature, high pressure, distortion, high-speed rotation and the like in the process of being installed into a vehicle for use, the performance of the electronic label in severe environment is difficult to meet the requirement, meanwhile, plastic, cord fabric and the like in the tire can generate signal interference on the electronic label, the performance of the label can be influenced in stretching, high temperature, high pressure and deflection deformation of a spring wire in the electronic label, and once the label is damaged, the traceability of the tire cannot be guaranteed.
The conventional tire label structure is disclosed in patent application No. CN201821505681.7, in which a main antenna and an auxiliary antenna are adhered to different adhesive layers, and then the different adhesive layers are adhered to the upper and lower surfaces of a substrate, as shown in fig. 6. In the process of mass production of the tire label, the bonding layers are bonded to the upper surface and the lower surface of the base material, and the positions of the two bonding layers need to be adjusted, so that the main antenna and the auxiliary antenna are aligned, errors which cannot be identified by human eyes exist in the process of adjusting the two bonding layers, the structure of the produced tire label has large deviation, and the performance consistency of the tire label is influenced.
The invention aims to design a tire label and a preparation method thereof aiming at the problems in the prior art.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides a tire label and a method for manufacturing the same, which can effectively solve the problems in the prior art.
The technical scheme of the invention is as follows:
a tire label, comprising:
a substrate;
a main antenna attached to one surface of the substrate;
an auxiliary antenna attached to the other surface of the base material;
and the radio frequency chip is electrically connected with the main antenna.
Further, the main antenna comprises an antenna pattern in a slit opening shape, the radio frequency chip is electrically connected between the slit openings, and the radio frequency chip is in conjugate matching with the antenna pattern.
Furthermore, the antenna pattern is an encircling square frame structure, the square frame comprises a group of large arms and a small arm which are arranged in a bilateral symmetry manner, a slit gap is arranged between the large arms, the small arm is respectively connected to the left end and the right end of the group of large arms, and a gap area is arranged between the small arm and the large arm.
Further, the height of the antenna pattern is 5.5-6.5mm, the width of the antenna pattern is 31-33mm, wherein the height of the small arm is 0.7-0.9mm, and the height of the large arm is 3.7-3.9 mm.
Further, the auxiliary antenna comprises a group of square patterns which are arranged in a bilateral symmetry mode, the square patterns are respectively aligned with the left end and the right end of the main antenna, the height of each square pattern is the same as that of the antenna pattern, and the auxiliary antenna is coupled with the main antenna.
Further, the substrate is made of polyimide, and the thickness of the substrate is 95-105 μm.
Further, the main antenna and the auxiliary antenna are both made of aluminum, and the main antenna and the auxiliary antenna are both 13-17 μm thick.
Further, the radio frequency chip is adhered to the main antenna through conductive glue.
A method of preparing a tire label for preparing a tire label as described above, comprising the steps of:
compounding and curing the aluminum foils on two sides of the base material;
printing the pattern of the main antenna on one side of the substrate;
positioning and registering the other side of the base material according to the pattern of the main antenna, and printing the pattern of the auxiliary antenna;
etching and deinking to obtain the main antenna and the auxiliary antenna;
and bonding the radio frequency chip to the main antenna, and drying to obtain the tire label.
Accordingly, the present invention provides the following effects and/or advantages:
the invention changes the structure of the traditional tire label, changes the main antenna and the auxiliary antenna to be directly compounded on the upper surface and the lower surface of the base material, and respectively imprints the patterns of the two antennas by the printing roller to obtain the tire label provided by the invention. The tire label has excellent main antenna and auxiliary antenna registration, so that all auxiliary antennas in the whole batch are in registration with the main antenna, the structure is consistent, and the performance is stable.
The invention reduces the bonding layer structure of the traditional tire label and saves the cost. Meanwhile, the process of registering the two bonding layers is also reduced, and the production efficiency of the invention is greatly improved.
According to the invention, the radio frequency chip and the main antenna are bonded by the conductive adhesive, and the conductive adhesive has elasticity of rubber, so that the tire label can adapt to environments such as high-speed rotation, extrusion and the like in the subsequent use process, a certain buffer effect is provided for the radio frequency chip, and the radio frequency chip is prevented from falling off.
The main antenna structure provided by the invention can effectively reduce the length of the tag and can also effectively conjugate with the electric wave of a reader.
The method provided by the invention is characterized in that two patterns are respectively engraved on a base material made of composite aluminum through a printing roller, the printing position of the printing roller of the auxiliary antenna is adjusted before the patterns of the main antenna and the auxiliary antenna are engraved, and the main antenna is positioned and aligned, so that the aligned main antenna pattern and the aligned auxiliary antenna pattern are directly engraved.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Fig. 2 is a schematic diagram of the main antenna according to the first embodiment, and is also a front view of fig. 1.
Fig. 3 is a schematic diagram of an auxiliary antenna according to the first embodiment, and is also a rear view of fig. 1.
FIG. 4 is a disassembled view of the first embodiment.
Fig. 5 is a schematic diagram of the bonding position of the rf chip.
Fig. 6 is a structural diagram of a conventional tire label according to the background art.
Fig. 7 is a performance test chart of the tire label.
Fig. 8 is a comparison graph of the read distance of the tire label attached to the tire of the passenger car.
Fig. 9 is a comparison graph of the read distance of the tire label attached to the tire of the cart.
Fig. 10 is a schematic view of the attaching position of the tire label.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1-4, a tire label includes the following components:
a substrate 1; the substrate 1 is made of polyimide, and the thickness of the substrate 1 is 95-105 μm.
In this embodiment, in order to adapt to the steps of molding a tire in a high-temperature and high-pressure environment during the production process, and meanwhile, the tire may also encounter the conditions of high temperature, high pressure, distortion, high-speed rotation and the like during the process of being installed in a vehicle for use, a Polyimide (PI) material which is resistant to both high temperature and low temperature and is resistant to temperature of more than 200 ℃ is adopted for the high-temperature and high-pressure vulcanization process conditions for tire molding, wherein the thickness of the base material 1 is specifically 100 μm, so that the base material 1 has a certain bending resistance, and thus the influence of the change of the tire pressure on the form of the tire label is reduced.
According to the physical conditions of high temperature, high pressure, distortion, high-speed rotation and the like, the requirements of a tire sample and a corresponding labeling position are combined, the basic design principle that the performance of a label is maximized due to the fact that a chip and an antenna need conjugate matching is adopted, the primary design of an antenna line type is carried out by adopting CAD, the impact force of the chip is reduced by adopting a mode of increasing a buffer area by double-layer antenna registration, the chip is protected, antenna parameters are simulated and modified by using Ansoft HFSS simulation software, the tire sample is combined for testing and verification and repeated adjustment, the existing antenna line type is confirmed, the main antenna is combined with an auxiliary antenna in the structure, the main antenna and the auxiliary antenna are respectively attached to two sides of a base material, and the radio frequency chip is connected to the main antenna.
A main antenna 2, a slot antenna, attached to one surface of the substrate 1; the main antenna 2 comprises an antenna pattern in a slit opening shape, the antenna pattern is in a surrounding square frame structure, the square frame comprises a group of large arms 201 and a small arm 202 which are arranged in a bilateral symmetry mode, a slit gap is formed between the large arms 201, the small arms 202 are respectively connected to the left end and the right end of the group of large arms 201, a gap area 203 is formed between the small arms 202 and the large arms 201, and the width of the gap area 203 is 29 mm.
According to the using environment of the antenna, the common-mode design of the antenna is carried out, the length of the antenna is increased through the surrounding square frame body structure, and the length of the main antenna is guaranteed to meet the requirement of conjugation. Meanwhile, the height of the antenna is increased and the bandwidth of the tag is concentrated by the connection arrangement of the large arm 201 and the small arm 202. Meanwhile, the surrounding square frame body structure has good deformation, and the main antenna is also used for arranging a radio frequency chip.
In this embodiment, the height of the antenna pattern is 6mm, the width of the antenna pattern is 32mm, the height of the small arm 202 is 0.8mm, and the height of the large arm 201 is 3.8 mm. The antenna pattern of this data can be effectively conjugate matched.
An auxiliary antenna 3 attached to the other surface of the substrate 1; the auxiliary antenna 3 includes a set of square patterns symmetrically arranged left and right, the square patterns are respectively aligned with the left and right ends of the main antenna 2, the height of the square patterns is the same as that of the antenna pattern 2, and the auxiliary antenna is coupled with the main antenna 2.
The auxiliary antenna 3 of the present embodiment is not in contact with the main antenna 2 and is disposed on both sides of the substrate 1, and the auxiliary antenna 3 is aligned with the other side of the main antenna 2 during the manufacturing process, so that the left and right ends of the auxiliary antenna 3 are aligned with the left and right ends of the main antenna 2, and the height of the auxiliary antenna 3 is the same as the height of the antenna pattern 2. In the preparation process, the main antenna 2 is printed by a printing roller with an antenna pattern, the main antenna 2 is aligned by a brush roller with an auxiliary antenna pattern, the auxiliary antenna 3 is directly brushed and engraved on the other surface of the substrate 1, and therefore the main antenna 2 and the auxiliary antenna 3 are aligned. The structure of traditional tire label sets up main antenna for first substrate, the second substrate sets up the subsidiary antenna, laminate first substrate and second substrate to the upper and lower two sides of substrate respectively again, therefore traditional tire label has the problem of main antenna and subsidiary antenna registration, the antenna is in the in-process of production, generally array type typesetting, first substrate and second substrate adopt the machine to realize the registration through the tension of controlling first layer and second floor substrate in the in-process of laminating, because tire label is very strict to the requirement for the precision, revise for the substrate tension fluctuation ratio and more easily cause the rear end of first substrate and second substrate will appear main antenna and the inaccurate condition of subsidiary antenna cover, namely subsidiary antenna probably does not align with the both ends of main antenna, such result is that the antenna performance who obtains is unstable. In the embodiment, the main antenna is positioned and registered by the printing roller with the auxiliary antenna pattern in the production process, and the pattern of the auxiliary antenna is printed on the surface of the base material, which is not provided with the main antenna, so that the auxiliary antenna which is registered with the main antenna is obtained, all the auxiliary antennas in the whole array are registered with the main antenna, the structure is consistent, and the performance is stable.
In this embodiment, two of the square patterns of the auxiliary antenna are the same, and the width of the square pattern is 6.5mm and the height thereof is 6 mm.
The main antenna 2 and the auxiliary antenna 3 are both made of aluminum, and the main antenna 2 and the auxiliary antenna 3 are both 15 μm thick.
Referring to fig. 5, the rf chip 4 is electrically connected between the slit openings, and the rf chip 4 is conjugate-matched to the antenna pattern. The main antenna 2 of the present embodiment is a slot-open antenna, and the rf chip 4 is attached to the main antenna 2 by conductive adhesive. The radio frequency chip 4 adopted in this embodiment is an EM chip, and an EM4124 chip is adopted in this embodiment, in combination with a process environment of a tire manufacturing process, for a data storage capacity of 128[ bit ]. The EM4124 chip has 4 pins, two of which are disposed between the slit openings, the substrate 1 is disposed on one side of the main antenna, two square patterns for fixing the pins are disposed corresponding to the slit openings, and the other two pins of the chip are disposed on the square patterns for reinforcing fixation and preventing the chip from falling off. In this embodiment, the radio frequency chip 4 and the slit opening are bonded by using a conductive adhesive, and the conductive adhesive has elasticity of rubber, so that the tire label can adapt to environments such as high-speed rotation and extrusion in a subsequent use process, a certain buffering effect is provided for the radio frequency chip 4, and the radio frequency chip 4 is prevented from falling off.
Meanwhile, the produced tire label is also compounded with a primer 5 and a backing paper 7 on one surface of the base material 1 corresponding to the auxiliary antenna 3, wherein the thickness of the primer 5 is 80-130 μm, the thickness of the backing paper is 40-70 μm, a face adhesive 6 and a face paper 8 are compounded on one surface of the base material corresponding to the main antenna 2, the thickness of the face adhesive 6 is 130-180 μm, and the thickness of the face paper 8 is 80-120 μm, so that the tire label provides buffer, better protects a chip and is convenient to be more firmly adhered to the surface of a tire on the one hand.
Example two
This embodiment is substantially the same as the first embodiment, except that:
the thickness of the substrate 1 was 95 μm;
the height of the antenna pattern is 5.5mm, the width of the antenna pattern is 31mm, the height of the small arm is 0.7mm, and the height of the large arm is 3.7 mm;
the main antenna 2 and the auxiliary antenna 3 are both made of aluminum, and the main antenna 2 and the auxiliary antenna 3 are both 13 μm thick.
EXAMPLE III
This embodiment is substantially the same as the first embodiment, except that:
the thickness of the substrate 1 was 105 μm;
the height of the antenna pattern is 6.5mm, the width of the antenna pattern is 33mm, the height of the small arm is 0.9mm, and the height of the large arm is 3.9 mm;
the main antenna 2 and the auxiliary antenna 3 are both made of aluminum, and the main antenna 2 and the auxiliary antenna 3 are both 17 μm thick.
Example four
There is further provided a method of making a tire label for making a tire label as in any of examples one to three, comprising the steps of:
s1, compounding and curing the aluminum foil on two sides of the base material; the materials for combining the aluminum foil and the substrate used in this example are those used in the prior art, and how to combine the aluminum foil is not specifically described here.
S2, printing at a printing speed of 4m/min by using an APS20000 flexible circuit printing device under the conditions of 150 ℃ (90S) and 600psi rolling pressure under the curing condition and 280V/180 mu S process parameters under the sintering condition, so as to print the pattern of the main antenna on one side of the substrate, and print the pattern of the auxiliary antenna on the other side of the substrate by positioning and registering according to the pattern of the main antenna; specifically, after a main antenna pattern is printed, the main antenna is positioned and aligned through a printing roller with an auxiliary antenna pattern, the pattern of the auxiliary antenna is printed on the surface, not provided with the main antenna, of a base material, so that the auxiliary antenna which is aligned with the main antenna is obtained, and all the auxiliary antennas in the whole array are aligned with the main antenna.
S3, etching and deinking to obtain the main antenna and the auxiliary antenna.
S4, bonding the radio frequency chip to the main antenna, drying and manufacturing the tire label, wherein the conductive adhesive is DELO, VE402950, the glue is viscous, the nozzle uses 150um, and the glue amount is selected to be 2 drops at 0.25 +/-0.02 mm2And finally, selecting 190 ℃/180 ℃, 1.6N and 10S, and delaying the hot pressing for 300ms, wherein the antenna is limited by using a baffle strip at the point gluing position and the binding position, so that the edge of the antenna is prevented from being tilted, and the radio frequency chip is fixed.
Experimental data
When the tire label of the first embodiment is prepared by the method of the fourth embodiment and is tested, as shown in fig. 7-10, the consistency of the labels of all the line types is within +/-1.5 dB, the consistency is better, and the reading distance of the label is more than 6 m.
The tire label of the first embodiment prepared by the fourth embodiment is used for performing different batch spot checks with the existing tire label, five labels are respectively spot checked, the position difference between the main antenna and the auxiliary antenna of the existing tire label is respectively 0.5mm, 1.0mm, 0.8mm, 1.5mm and 0.6mm, and the position difference between the main antenna and the auxiliary antenna of the tire label of the first embodiment prepared by the fourth embodiment is respectively 0.05mm, 0.1mm, 0.04mm, 0.06mm and 0.1 mm.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (9)
1. A tire label characterized by: comprises the following steps:
a substrate;
a main antenna attached to one surface of the substrate;
an auxiliary antenna attached to the other surface of the base material;
and the radio frequency chip is electrically connected with the main antenna.
2. A tire label as in claim 1, wherein: the main antenna comprises a slit-opening-shaped antenna pattern, the radio frequency chip is electrically connected between the slit openings, and the radio frequency chip is in conjugate matching with the antenna pattern.
3. A tire label as in claim 2, wherein: the antenna pattern is of an encircling square frame structure, the square frame comprises a group of large arms and a small arm which are arranged in a bilateral symmetry mode, a slit gap is formed between the large arms, the small arms are connected to the left end and the right end of the group of large arms respectively, and a gap area is formed between the small arms and the large arms.
4. A tire label as in claim 3, wherein: the height of the antenna pattern is 5.5-6.5mm, the width of the antenna pattern is 31-33mm, the height of the small arm is 0.7-0.9mm, and the height of the large arm is 3.7-3.9 mm.
5. A tire label as in claim 1, wherein: the auxiliary antenna comprises a group of square patterns which are arranged in a bilateral symmetry mode, the square patterns are respectively aligned with the left end and the right end of the main antenna, the height of each square pattern is the same as that of the antenna pattern, and the auxiliary antenna is coupled with the main antenna.
6. A tire label as in claim 1, wherein: the substrate is made of polyimide, and the thickness of the substrate is 95-105 μm.
7. A tire label as in claim 1, wherein: the main antenna and the auxiliary antenna are both made of aluminum, and the thickness of the main antenna and the thickness of the auxiliary antenna are both 13-17 mu m.
8. A tire label as in claim 1, wherein: the radio frequency chip is connected to the main antenna through a conductive adhesive.
9. A method of manufacturing a tyre label for use in manufacturing a tyre label according to any one of claims 1 to 8, wherein: comprises the following steps:
compounding and curing the aluminum foils on two sides of the base material;
printing the pattern of the main antenna on one side of the substrate;
positioning and registering the other side of the base material according to the pattern of the main antenna, and printing the pattern of the auxiliary antenna;
etching and deinking to obtain the main antenna and the auxiliary antenna;
and bonding the radio frequency chip to the main antenna, and drying to obtain the tire label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150858.2A CN113902082A (en) | 2021-09-29 | 2021-09-29 | Tire label and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150858.2A CN113902082A (en) | 2021-09-29 | 2021-09-29 | Tire label and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113902082A true CN113902082A (en) | 2022-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111150858.2A Pending CN113902082A (en) | 2021-09-29 | 2021-09-29 | Tire label and preparation method thereof |
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| CN (1) | CN113902082A (en) |
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