CN113241526B - Manufacturing method of environment-friendly RFID tag antenna - Google Patents
Manufacturing method of environment-friendly RFID tag antenna Download PDFInfo
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- CN113241526B CN113241526B CN202110506802.XA CN202110506802A CN113241526B CN 113241526 B CN113241526 B CN 113241526B CN 202110506802 A CN202110506802 A CN 202110506802A CN 113241526 B CN113241526 B CN 113241526B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention provides a manufacturing method of an environment-friendly RFID tag antenna, which comprises the following specific steps of unreeling an antenna substrate to form an initial substrate, printing positioning points and positioning lines on the initial substrate to form a positioning substrate, coating pressure-sensitive glue on the positioning substrate to form a glue substrate, performing light release compounding on the glue substrate and an aluminum foil to form a composite substrate, performing die cutting on the composite substrate by using a forming cutter to generate a basic antenna, coating glue on the area outside the basic antenna, performing light release compounding again after the glue is solidified to form a to-be-discarded antenna, discharging redundant waste materials on the to-be-discarded antenna after the waste tape is compounded with the to-be-discarded antenna through unreeling, rolling the waste tape, then forming a semi-finished antenna, performing laser micro-engraving on the semi-finished antenna to form a finished product antenna, and rolling the finished product antenna, so that heavy metal pollution to air, soil and water can be well avoided, the energy consumption is low, the cost is low, and the antenna is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of electronic part manufacturing, in particular to a manufacturing method of an environment-friendly RFID tag antenna.
Background
The RFID (radio frequency identification) is a wireless communication technology, can identify a specific target and read related data through a radio signal without establishing mechanical or optical contact between an identification system and the specific target, has the advantages of convenience and rapidness in reading, high identification speed, large data capacity, long service life, dynamic change of tag data, good safety dynamic real-time communication and the like, and can be widely applied to the fields of supermarkets, door controls, libraries and the like.
The existing manufacturing method of the RFID antenna is mainly an etching method, wherein the etching method is high in energy consumption, metal is made into a thin film, then the thin film is pressed into a base material by using glue and an insulating material, then the base material is covered by etching resistance, and then the excessive patterns are etched, finally, the thin film is peeled, cleaned and dried. The manufacturing method of the RFID antenna has the following defects: the antenna is manufactured by adopting a chemical corrosion method, the manufacturing process of chemical reaction is carried out from raw materials to products, the period is long, heavy metal pollution is caused to air, soil and water, the environment-friendly type antenna is contrary to the environment-friendly economic growth advocated by the state, the energy consumption is high, and the cost is high.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme: a manufacturing method of an environment-friendly RFID label antenna comprises the following specific steps:
s1, unreeling an antenna base material to form an initial substrate;
s2, printing positioning points and positioning lines on the initial substrate to form a positioning substrate;
s3, coating pressure-sensitive glue on the positioning substrate to form a glue substrate;
s4, carrying out light release type compounding on the glue substrate and the aluminum foil to form a composite substrate;
s5, die cutting is carried out on the composite substrate by using a forming cutter to generate a basic antenna;
s6, gluing the area outside the basic antenna, and after the glue is cured, performing light release compounding again to form the antenna to be discharged;
s7, after the waste discharge belt is combined with the antenna to be discharged through unreeling, discharging redundant waste on the antenna to be discharged, winding the waste discharge belt, and then forming a semi-finished product antenna;
s8, carrying out laser micro-engraving on the semi-finished product antenna to form a finished product antenna;
and S9, rolling the finished product antenna.
Further, in step S1, the antenna substrate is paid off through a unreeling shaft, and the unreeling shaft adopts a 1.5KW servo motor and a tension sensor to control torque to provide power, so as to ensure that the tension fluctuation range of the subsequent process is controlled within ± 3%.
Further, in the step S1, after the antenna substrate is unreeled, a dust removal device is further used to remove dust from the antenna substrate, and then a deviation correction device is used to correct the antenna substrate, so as to ensure that the left-right floating range of the antenna substrate is controlled within ± 0.1-0.15 mm.
Further, in the step S2, the alignment points and the alignment lines need to be dried by using a UV dryer having a UV band of 395 after being printed.
Further, in the step S3, the pressure-sensitive adhesive is UV light curable adhesive, and the thickness of the pressure-sensitive adhesive coated is 10 to 15um.
Further, in the step S4, the thickness of the aluminum foil is 0.015mm, and the aluminum foil is flattened by the aluminum foil flattening mechanism and then is combined with the glue substrate.
Further, in the step S5, a magnetic mold matched with the composite substrate is machined by a high-precision four-axis machining tool and matched with the composite substrate, and then the composite substrate is subjected to die cutting by a pressing device.
Further, a Teflon electroplated layer is arranged on the magnetic mould.
Further, after the step S8, a visual camera performs quality detection on the finished antenna, and then marks the finished antenna with a detection result of a defective product.
Furthermore, the visual camera is an 8K line scanning camera, the profile of the finished antenna is scanned through the 8K line scanning camera, then the scanned image is compared with an image in an externally set image library, and then the finished antenna with a defect in the profile is found out and removed.
The invention has the beneficial effects that: the manufacturing method of the environment-friendly RFID tag antenna can well avoid heavy metal pollution to air, soil and water, has low energy consumption and low cost, and is suitable for large-scale production.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, a method for manufacturing an environment-friendly RFID tag antenna includes the following steps:
s1, unreeling an antenna base material to form an initial substrate.
Specifically, the antenna substrate is paid out through a unreeling shaft, the unreeling shaft adopts a 1.5KW servo motor and a tension sensor to control torque to provide power, and the tension fluctuation range of the subsequent process is controlled within +/-3%. That is to say, through servo motor and tension sensor control moment of torsion, guarantee that unwinding tension is invariable. Furthermore, a dust removal device is needed to remove dust from the antenna base material after the antenna base material is unreeled, and then a deviation correction device is used to correct the antenna base material, so that the left-right floating range of the antenna base material is controlled within +/-0.1-0.15 mm. That is to say, dust collector is used for removing the dust or the tiny wastepaper on antenna substrate surface, can avoid subsequent process well because of dust or tiny wastepaper and lead to the phenomenon that produces granule or bubble.
And S2, printing positioning points and positioning lines on the initial substrate to form a positioning substrate.
Specifically, information such as black positioning line, color mark and antenna signal that the printing is used for the location is printed on initial basement, and the printing black positioning line is used for CCD identification line that rectifies, and this black positioning line is taken a candid photograph to the CCD camera, is also used for preventing that the paper from rocking left and right causes behind cross cutting and the inaccurate problem of printing, namely carries out horizontal positioning to initial basement, and the printing color mark is used for carrying out vertical location to cross cutting or printing. It is worth mentioning that the printing of the anchor points and the anchor lines is followed by drying using a UV dryer with a UV band of 395. I.e. the printed anchor points and anchor lines are guaranteed to be completely dry by the UV dryer.
And S3, coating pressure-sensitive glue on the positioning substrate to form a glue substrate.
Specifically, the pressure-sensitive glue is UV light-cured glue, and the thickness of the pressure-sensitive glue is 10-15 um. That is, the glue was applied using a soft 200-line anilox roll and then using a seamless plate roll to form a glue layer.
And S4, carrying out light release type compounding on the glue substrate and the aluminum foil to form a composite substrate.
Specifically, the thickness of aluminium foil is 0.015mm, just the aluminium foil through the aluminium foil flattening mechanism exhibition back again with the glue base is compound. Further, after the glue layer is cured and the light release type composite is carried out, the peeling force between the aluminum foil and the antenna substrate is 25 grams per square centimeter. Furthermore, the light release type composite pressure is 0.1-0.2KPa, so that the aluminum foil and the antenna substrate can be well compounded. It is worth mentioning that before the compounding, the aluminum foil is flattened through the aluminum foil flattening mechanism, so that no folds and no steam pockets can be generated when the aluminum foil and the antenna base material are compounded, and the compounding quality can be well guaranteed.
And S5, die cutting is carried out on the composite substrate by using a forming knife to generate a basic antenna.
Specifically, a magnetic die matched with the composite substrate is machined through a high-precision four-axis machining machine tool and matched with the composite substrate, then the composite substrate is subjected to die cutting through a pressurizing device, so that a primary die cutting pattern is obtained, furthermore, a Teflon electroplated layer is arranged on the magnetic die, so that the phenomenon that a knife edge is adhered to an aluminum foil in the die cutting and knife lifting process can be well prevented, the die knife edge is hardened to prolong the service life of a die cutting knife, and the hardness of the processed die knife edge can reach HRC62-65. It is worth mentioning that in order to prevent the coating from being worn after the die reaches the service life, the gaps of the die-cutting knives are respectively stuck with a high-resilience single-sided sponge adhesive tape, the thickness of the adhesive tape is 0.2-0.5 mm higher than the knife edge, the die-cutting material is always pressed on the base material through the adhesive tape in the die-cutting knife-lifting process, the die-cutting material is prevented from being taken up by the die-cutting knife, and the die-cutting yield is greatly improved.
S6, gluing the area outside the basic antenna, and after the glue is cured, carrying out light release compounding again to form the antenna to be discharged.
Specifically, the glue type is UV light-cured glue, and after the glue is cured and then is compounded through light release, the peeling force between the aluminum foil and the antenna substrate is 60 grams per square centimeter. Is far larger than the peeling force of the first light release compounding. Further, the glue is anaerobic glue.
And S7, after the waste discharge belt is combined with the antenna to be discharged through unreeling, discharging redundant waste on the antenna to be discharged, rolling the waste discharge belt, and forming a semi-finished product antenna.
Specifically, the waste discharge belt is a waste discharge adhesive tape, the waste discharge adhesive tape is discharged through a reel release shaft, the reel release shaft adopts a 1.5KW servo motor and a tension sensor to control torque, the constant unreeling tension is ensured, and the tension fluctuation range is controlled within a +/-3% fluctuation range for ensuring the stability of the subsequent process. Furthermore, the material of the waste discharge adhesive tape can be degradable plastic, and can also be a paper material with good transparency, the important reason for adopting the degradable material to make the waste discharge adhesive tape is to facilitate subsequent recovery and treatment, the advantage of using the waste discharge adhesive tape is that the aluminum foil discharged by waste discharge can be recycled by physical method, the manufacturing cost of a single antenna of a manufacturer is greatly reduced, and compared with the traditional etching antenna processing method, the traditional etching antenna processing method is used after the antenna is produced, the redundant aluminum foil outside the antenna line type is directly corroded by hydrochloric acid solution of about 15%, and the cost of industrial wastewater discharge or wastewater treatment can be greatly reduced by using the waste discharge adhesive tape. Further, compounding the waste discharge adhesive tape with glue on the area except the basic antenna, then irradiating and drying the printed glue by UV with the wave band of 395, completely curing the glue and the waste discharge adhesive tape after the UV is dried, and generating a stripping force of 60 grams per square centimeter, therefore, the waste discharge adhesive tape is pulled up through the rotation of the winding air shaft, the glue is contained between the adhesive tape and the aluminum foil of the area except the antenna line type to be pulled away, and the waste discharge shaft rotates to take away the waste discharge adhesive tape and take away the area needing waste discharge through the glue, thereby realizing the waste discharge function. It is worth mentioning that since the antenna wire is basically molded after waste discharge, but the adhesion between the antenna wire and the antenna substrate is not strong, and is only 25 g per square centimeter, the hydraulic cylinder is used for controlling the heavy roller pressure device, and the roller pressure is 70kg. And after the antenna line is pressed by the pressing roller, the antenna line is completely adhered to the substrate, and the antenna line is preliminarily formed.
And S8, carrying out laser micro-engraving on the semi-finished product antenna to form a finished product antenna.
Specifically, the high-precision laser cutter is used for cutting, and the problem that the required processing position is deviated due to unstable paper feeding of a machine platform can be reduced to the greatest extent because the material is in a static state during laser cutting.
And S9, rolling the finished antenna.
Specifically, the finished antenna is wound through a winding shaft.
Namely, the manufacturing method of the environment-friendly RFID tag antenna can well avoid heavy metal pollution to air, soil and water, has low energy consumption and low cost, and is suitable for large-scale production.
Example 1
A manufacturing method of an environment-friendly RFID tag antenna comprises the following specific steps:
s1, unreeling an antenna base material to form an initial substrate.
Specifically, the antenna substrate is paid out through a unreeling shaft, the unreeling shaft adopts a 1.5KW servo motor and a tension sensor to control torque to provide power, and the tension fluctuation range of the subsequent process is controlled within +/-3%. That is to say, through servo motor and tension sensor control moment of torsion, guarantee that unwinding tension is invariable. Furthermore, after the antenna substrate is unreeled, a dust removal device is used for removing dust of the antenna substrate, and then a deviation correction device is used for correcting the antenna substrate, so that the left-right floating range of the antenna substrate is controlled within +/-0.1-0.15 mm. That is to say, dust collector is used for removing the dust or the tiny wastepaper on antenna substrate surface, can avoid subsequent process well because of dust or tiny wastepaper and lead to the phenomenon that produces granule or bubble.
And S2, printing positioning points and positioning lines on the initial substrate to form a positioning substrate.
Specifically, information such as black positioning line, color mark and antenna signal that the printing is used for the location is printed on initial basement, and the printing black positioning line is used for CCD identification line that rectifies, and this black positioning line is taken a candid photograph to the CCD camera, is also used for preventing that the paper from rocking left and right causes behind cross cutting and the inaccurate problem of printing, namely carries out horizontal positioning to initial basement, and the printing color mark is used for carrying out vertical location to cross cutting or printing. It is worth mentioning that the printing of the anchor points and the anchor lines is followed by drying using a UV dryer with a UV band of 395. I.e. the printed anchor points and anchor lines are guaranteed to be completely dry by the UV dryer.
And S3, coating pressure-sensitive glue on the positioning substrate to form a glue substrate.
Specifically, the pressure-sensitive glue is UV light-cured glue, and the thickness of the pressure-sensitive glue is 10-15 um. That is, the glue was applied using a soft 200-line anilox roll and then using a seamless plate roll to form a glue layer.
And S4, carrying out light release type compounding on the glue substrate and the aluminum foil to form a composite substrate.
Specifically, the thickness of aluminium foil is 0.015mm, just the aluminium foil through the aluminium foil flattening mechanism exhibition back again with the glue base is compound. Further, after the glue layer is cured and the light release type composite is carried out, the peeling force between the aluminum foil and the antenna substrate is 25 grams per square centimeter. Furthermore, the light release type composite pressure is 0.1-0.2KPa, so that the aluminum foil and the antenna substrate can be well compounded. It is worth mentioning that before the compounding, the aluminum foil is flattened through the aluminum foil flattening mechanism, so that no folds and no steam pockets can be generated when the aluminum foil and the antenna base material are compounded, and the compounding quality can be well guaranteed.
And S5, carrying out die cutting on the composite substrate by using a forming cutter to generate the basic antenna.
Specifically, a magnetic die matched with the composite substrate is machined through a high-precision four-axis machining machine tool and matched with the composite substrate, then die cutting is carried out on the composite substrate through a pressurizing device, and therefore a primary die cutting pattern is obtained, furthermore, a Teflon electroplated layer is arranged on the magnetic die, so that the phenomenon that a knife edge is adhered to an aluminum foil in the die cutting and knife lifting process can be well prevented, in order to prolong the service life of a die cutting knife, the die knife edge is hardened, and the hardness after the hardening treatment can reach HRC62-65. It is worth mentioning that in order to prevent the coating from being worn after the service life of the die is reached, the high-resilience single-sided sponge adhesive tapes are adhered to the gaps of the die-cutting knives, the thickness of each adhesive tape is 0.2-0.5 mm higher than that of the knife edge, the die-cutting materials are always pressed on the base material through the adhesive tapes in the die-cutting knife lifting process, the die-cutting materials are prevented from being taken up by the die-cutting knives, and the die-cutting yield is greatly improved.
S6, gluing the area outside the basic antenna, and after the glue is cured, carrying out light release compounding again to form the antenna to be discharged.
Specifically, the type of the glue is UV light-cured glue, and after the glue is cured and then is compounded through light release, the peeling force between the aluminum foil and the antenna substrate is 60 grams per square centimeter. Is far larger than the peeling force of the first light release compounding. Further, the glue is anaerobic glue.
And S7, after the waste discharge belt is combined with the antenna to be subjected to waste discharge through unreeling, discharging redundant waste materials on the antenna to be subjected to waste discharge, winding the waste discharge belt, and forming a semi-finished product antenna.
Specifically, the waste discharge belt is a waste discharge adhesive tape, the waste discharge adhesive tape is discharged through a reel releasing shaft, the power of the reel releasing shaft adopts a 1.5KW servo motor and a tension sensor to control the torque, the constant unreeling tension is ensured, and the fluctuation range of the tension is controlled within +/-3% for ensuring the stability of the subsequent process. Furthermore, the material of the waste discharge adhesive tape can be degradable plastic, and can also be a paper material with good transparency, the important reason for adopting the degradable material to make the waste discharge adhesive tape is to facilitate subsequent recovery and treatment, the advantage of using the waste discharge adhesive tape is that the aluminum foil discharged by waste discharge can be recycled by physical method, the manufacturing cost of a single antenna of a manufacturer is greatly reduced, and compared with the traditional etching antenna processing method, the traditional etching antenna processing method is used after the antenna is produced, the redundant aluminum foil outside the antenna line type is directly corroded by hydrochloric acid solution of about 15%, and the cost of industrial wastewater discharge or wastewater treatment can be greatly reduced by using the waste discharge adhesive tape. Further, the waste discharging adhesive tape is compounded with the glue on the area outside the basic antenna, then the printed glue is irradiated and dried by UV with the wave band of 395, the glue and the waste discharging adhesive tape are completely cured after the UV drying, and the stripping force of 60 grams per square centimeter is generated, so that the waste discharging adhesive tape is pulled up through the rotation of the winding air expansion shaft, the glue is contained between the adhesive tape and the aluminum foil of the area outside the line type of the antenna to be pulled away, the waste discharging shaft rotates to take the waste discharging adhesive tape away from the area needing waste discharging through the glue, and the waste discharging function is realized. It is worth mentioning that since the antenna wire shape is basically formed after waste discharge, but the adhesion force between the antenna wire shape and the antenna base material is not strong, and is only 25 g per square centimeter, the hydraulic cylinder is used for controlling the heavy compression roller pressure device, and the compression roller pressure is 70kg. And after the antenna wire is pressed by the pressing roller, the antenna wire is completely adhered to the substrate, and the antenna wire is preliminarily formed.
And S8, carrying out laser micro-engraving on the semi-finished product antenna to form a finished product antenna.
Specifically, the high-precision laser cutter is used for cutting, and the problem that the required processing position is deviated due to unstable paper feeding of a machine platform can be reduced to the greatest extent because the material is in a static state during laser cutting.
It is worth mentioning that after the cutting is finished, the finished product antenna is subjected to quality detection through a vision camera, and then the finished product antenna with a detection result of a defective product is marked. Specifically, the vision camera is an 8K line scanning camera, the profile of the finished antenna is scanned by the 8K line scanning camera, the scanned image is compared with an image in an externally set image library, and the finished antenna with a defect in the profile is found and removed. It is more worth mentioning that if the finished antenna has a batch defect, the whole production will be automatically stopped, and then the operator will check and judge whether the production can be continued.
And S9, rolling the finished product antenna.
Specifically, the finished antenna is wound through a winding shaft.
Namely, the manufacturing method of the environment-friendly RFID tag antenna can well avoid heavy metal pollution to air, soil and water, has low energy consumption and low cost, and is suitable for large-scale production.
In summary, the above embodiments are not intended to be limiting embodiments of the present invention, and modifications and equivalent variations made by those skilled in the art based on the spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. The manufacturing method of the environment-friendly RFID tag antenna is characterized by comprising the following specific steps of:
s1, unreeling an antenna base material to form an initial substrate;
s2, printing positioning points and positioning lines on the initial substrate to form a positioning substrate;
s3, coating pressure-sensitive glue on the positioning substrate to form a glue substrate;
s4, carrying out light release type compounding on the glue substrate and the aluminum foil to form a composite substrate;
s5, die cutting is carried out on the composite substrate by using a forming cutter to generate a basic antenna;
s6, gluing the area outside the basic antenna, and after the glue is cured, carrying out light release compounding again to form the antenna to be discharged;
s7, after the waste discharge belt is combined with the antenna to be discharged through unreeling, discharging redundant waste on the antenna to be discharged, winding the waste discharge belt, and then forming a semi-finished product antenna;
s8, performing laser micro-carving on the semi-finished antenna to form a finished antenna;
s9, rolling the finished product antenna;
in the step S3, the pressure-sensitive adhesive is UV light-cured adhesive, and the thickness of the pressure-sensitive adhesive coated with the UV light-cured adhesive is 10-15 um;
in the step S4, the thickness of the aluminum foil is 0.015mm, and the aluminum foil is flattened by an aluminum foil flattening mechanism and then is compounded with the glue substrate;
in the step S5, a magnetic die matched with the composite substrate is processed by a high-precision four-axis processing machine tool and matched with the composite substrate, and then the composite substrate is subjected to die cutting by a pressurizing device;
and a Teflon electroplated layer is arranged on the magnetic mould.
2. The method for manufacturing an environment-friendly RFID tag antenna according to claim 1, wherein: in the step S1, the antenna substrate is paid off through a unreeling shaft, and the unreeling shaft adopts a 1.5KW servo motor and a tension sensor to control torque to provide power, so that the tension fluctuation range of the subsequent process is controlled within +/-3%.
3. The method for manufacturing an environment-friendly RFID tag antenna according to claim 2, wherein: in the step S1, after the antenna substrate is unreeled, a dust removal device is further used to remove dust from the antenna substrate, and then a correction device is used to correct the antenna substrate, so as to ensure that the left-right floating range of the antenna substrate is controlled within ± 0.1-0.15 mm.
4. The method for manufacturing an environment-friendly RFID tag antenna according to claim 1, wherein: in step S2, after the anchor points and the anchor lines are printed, it is necessary to dry them using a UV dryer having a UV band of 395.
5. The method for manufacturing an environment-friendly RFID tag antenna according to claim 1, wherein: after the step S8, a visual camera is used to perform quality detection on the finished antenna, and then the finished antenna with a detection result of a defective product is marked.
6. The method for manufacturing an environment-friendly RFID tag antenna according to claim 5, wherein: the visual camera is an 8K line scanning camera, the outline of the finished product antenna is scanned through the 8K line scanning camera, then the scanned image is compared with an image in an externally set image library, and then the finished product antenna with the individual outline having defects is found out and removed.
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| CN104400823A (en) * | 2014-12-15 | 2015-03-11 | 厦门恒坤新材料科技股份有限公司 | Waste discharge technology for OCA manufacturing process |
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| CN112171783B (en) * | 2019-07-05 | 2022-06-03 | 昊佰电子科技（上海）有限公司 | Small hole waste discharge method for die cutting of single-sided adhesive product |
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