Layered paper substrate electronic tag antenna production method and antenna

Abstract

This invention relates to a method for producing a layered paper-based electronic tag antenna and the antenna itself, belonging to the field of antenna circuit manufacturing technology. The method includes: surface waterproofing: using paper as the antenna substrate, coating it with a waterproof and wetting agent; coating and drying the paper on both the upper and lower surfaces to form two waterproof layers, the thickness of which ranges from 1 to 10 micrometers; end-face waterproofing: forming a wax seal on all end faces of the paper layer by spraying; antenna material lamination: using aluminum-plastic composite adhesive, coating the paper material surface with the adhesive, drying the solvent with hot air, and then laminating with a metal foil, the thickness of which ranges from 10 to 35 micrometers; varnish printing: printing antenna lines on the antenna material surface using protective varnish; antenna etching; and finally, the antenna is produced using the above-described method for producing paper-based electronic tag antennas. This method offers energy-saving, environmentally friendly, stable quality, low cost, and fast and efficient production.

Description

Technical Field

[0001] This invention relates to a method for producing a layerable paper-based electronic tag antenna and the antenna itself, belonging to the field of antenna circuit manufacturing technology. Background Technology

[0002] (I) Radio Frequency Antenna: RFID stands for Radio Frequency Identification, a wireless radio frequency identification technology that uses electromagnetic waves to achieve contactless information communication between electronic tags and readers. Both the reader and the electronic tag have specially designed antenna circuit boards to facilitate information exchange between them. The RFID electronic tag industry typically classifies tags into four types based on their operating frequency: low frequency, high frequency, ultra-high frequency, and microwave. These different frequency types are further subdivided according to practical applications: low frequency is further divided into 125kHz and 134.2kHz; high frequency (13.56MHz) is divided into three protocols: ISO15693, ISO14443-A, and ISO14443B; ultra-high frequency range: 840-960MHz, divided into two protocols: ISO18000-6C and ISO18000-6B; microwave frequency bands are mainly divided into 2.45GHz and 5.8GHz. Different circuit boards are designed based on the working principles of different frequency RFID. In practical applications, ultra-high frequency and high frequency passive tags are the most common.

[0003] (II) The widespread application of information technologies such as the Internet of Things (IoT) has effectively promoted the development of RFID (Radio Frequency Identification) technology in various aspects. RFID antenna circuitry is an indispensable and crucial component of RFID tags and readers. The quality and cost of RFID antenna circuitry directly affect the development of the industry. RFID antenna circuitry is an essential device for signal transmission and reception.

[0004] (III) Materials for the production of radio frequency antenna circuits: Based on the current forms of radio frequency antennas, the main materials used in the production of radio frequency antenna circuits include: metal thin film materials, metal wires, metal electroformed layers, conductive silver paste, PET film, paper, and other materials.

[0005] (iv) Existing circuit wiring methods:

[0006] 1. Etching method: The antenna produced by etching process has high precision and can match the interrogation signal of the reader. At the same time, the antenna impedance and the radio frequency performance of the applied items are also very good. However, its disadvantages are that the cost is high, it is an energy-consuming production method, and the most serious problem is that it produces "three wastes" and causes environmental pollution.

[0007] 2. Wire Winding Method: When manufacturing RFID tags using the coil winding method, the tag coil is wound and fixed on a winding tool. This requires a relatively large number of turns in the antenna coil (typically 50-1500 turns). This method is used for RFID tags in the frequency range of 13.56MHz and 125-134KHz. Its disadvantages are high cost and slow production speed. This process is also not suitable for the production of UHF RFID antennas.

[0008] 3. Electroforming or electrochemical method: The basic process involves printing the electroplating seed onto an insulating substrate, then immersing it in an electroplating bath for electroplating to complete antenna production. This method has a long production cycle, is slow, and has low production efficiency. Furthermore, the rinsing solution and waste liquid generated during the electroplating process pollute the environment.

[0009] 4. Printing Method: Conductive lines are directly printed onto an insulating substrate (film) using conductive ink to form antennas and circuits. This is also known as the additive manufacturing technique. The main printing methods have expanded from screen printing alone to offset printing, flexographic printing, gravure printing, and other methods, with screen printing and gravure printing becoming more mature processes. However, the printing method is affected by materials and processes, resulting in lower product quality and performance, poor quality stability, and the inability to obtain satisfactory products.

[0010] 5. Die-cutting method: Currently, many antenna manufacturers in China have invested resources in research, but none have produced qualified products, let alone achieved mass production. Internationally, Avery Dennison in the United States has taken the lead in this technology research, developing a mature process and achieving mass production. Currently, this process is only suitable for the production of UHF antennas, and it still presents considerable challenges for HF antennas.

[0011] (v) Paper waterproofing agent:

[0012] This paper-specific waterproofing agent is a water-soluble, environmentally friendly, non-ionic type. It is resistant to acids and alkalis, hard water, highly water-soluble, and has stable emulsion properties. When applied to paper, it can improve film formation, flexibility, and provide waterproofing and moisture-proofing (like the hydrophobic properties of lotus leaves).

[0013] Surface waterproofing: Apply this product evenly to the surface of paper products by spraying or rolling, then thoroughly dry in a dryer. This paper surface waterproofing agent is used in leather chemicals, papermaking, coatings, ceramics, textiles, printing pastes, inks, shoe upper finishing chemicals, engineered wood, release agents, printing auxiliary materials, wood industry, water-based paints, construction, petrochemicals, water-based varnishes, and agriculture. It creates a waterproof surface and reduces moisture absorption.

[0014] It possesses the characteristics of being permeable and absorbent, while maintaining the natural appearance of the substrate and not altering its original color and appearance. It forms an insoluble, mesh-like waterproof and breathable membrane on the substrate surface, preventing moisture absorption and thus reducing peeling caused by freeze-thaw cycles and weathering, increasing the substrate's lifespan. It is abrasion-resistant, washable, and resistant to high and low temperatures (-50~150℃). This product is simple to apply, inexpensive, and provides long-lasting results. With proper application, the lifespan of the waterproof layer can be comparable to that of the substrate.

[0015] Application method: As a waterproof and moisture-proof coating for paper surfaces and other paper products, it can be diluted with about 5-10 times deionized water. Then, mechanically apply the waterproofing agent to the surface of the cardboard being formed. After drying at a temperature of about 60°C, the paper surface fibers have low surface tension due to the coating of the waterproofing agent, forming a water-resistant surface layer. It has good waterproof and moisture-proof effects and is inexpensive.

[0016] (vi) Paraffin oil: Paraffin oil is a mineral oil, a colorless and odorless mixture obtained from the fractionation of crude oil. Its main components are hydrocarbons, and it can be used in food, pharmaceuticals, and industry.

[0017] Paraffin is a mixture of several higher alkanes, mainly n-docosahexanes (C22H46) and n-octacosane (C28H58), containing approximately 85% carbon and 14% hydrogen. It does not have a single chemical element symbol.

[0018] Paraffin oil has a wide range of uses.

[0019] 1. By immersing paper in paraffin wax, various types of waxed paper with good waterproof properties can be produced. These papers can be used for packaging food and medicine, metal rust prevention, and printing.

[0020] 2. When paraffin oil is added to cotton yarn, it makes textiles soft, smooth, and elastic. Paraffin can also be used to make detergents, emulsifiers, dispersants, plasticizers, lubricants, etc. Due to the increasing scarcity of animal and plant wax resources, most candles today are made from paraffin.

[0021] 3. Paraffin oil is required for rubber products to have a low odor, good initial color, and good heat and light resistance. This is extremely important in the manufacture of household appliances, children's toys, and other products. In many reference materials on synthetic rubber industry applications, paraffin oil has been widely used in rubber processing formulations and plays a very important role.

[0022] The disadvantages of existing electronic tag antenna manufacturing methods are as follows:

[0023] 1. Environmental Issues: Currently, the mainstream electronic tag antenna substrate both domestically and internationally is PET film, polyethylene terephthalate (PET), with the chemical formula (C10H8O4)n. Extensive use of this type of plastic film is not easily degraded in the natural environment, causing serious pollution. If incinerated as waste, it will also produce large amounts of harmful gases, polluting the atmosphere.

[0024] 2. Efficiency issues: According to the current supply chain process of the electronic tag industry, from antenna production to the final electronic tag product, there are many steps involved, which wastes energy and is less efficient.

[0025] 3. Cost issues: Traditional electronic tags, from antenna production to finished product, mostly use PET film materials, which results in relatively high costs. Summary of the Invention

[0026] The technical problem to be solved by the present invention is to provide a method for producing a layerable paper substrate electronic tag antenna and an electronic tag antenna that is energy-saving, environmentally friendly, of stable quality, low cost, and quick and efficient.

[0027] The present invention discloses a method for producing a layerable paper-based electronic tag antenna, comprising:

[0028] Surface waterproofing: Paper is used as the antenna substrate, and a coating with waterproof and wetting properties is applied; the coating is applied and dried on the upper and lower surfaces of the paper layer to form two waterproof layers, with the thickness of the waterproof coating ranging from 1 to 10 micrometers.

[0029] Waterproofing at the ends: A wax seal is formed on all ends of the paper layer by spraying.

[0030] Antenna material composite: Aluminum-plastic composite adhesive is used. The composite adhesive is coated on the surface of the paper material. After the solvent is dried by hot air heating, a metal foil is laminated. The thickness of the metal foil ranges from 10 to 35 micrometers.

[0031] Varnish printing: Based on the antenna design drawings, a printing plate is made by laser engraving. On a gravure printing machine, a protective varnish is used to print the antenna lines on the surface of the antenna material.

[0032] Antenna etching: Antenna etching is performed using an acid etching method.

[0033] This invention is primarily based on a paper-based method. It involves coating the surface of a paper material with a waterproofing agent and then laminating it to create the entire circuit product. This method can be used for intermittent or continuous production of roll-type circuit boards, and can also be used to create various sheet-like thin-film circuit products for applications such as membrane switches, electronic and electrical circuits, and radio frequency identification devices.

[0034] Application of waterproofing agents: Ordinary paper materials are easily damaged when immersed in water or aqueous solutions, especially in acidic or alkaline solutions. Applying a waterproofing agent to the surface of ordinary paper effectively isolates the paper from aqueous solutions, preventing damage and thus ensuring the paper's tensile strength.

[0035] Paraffin oil sealing: In the antenna etching process of this invention, the paper material used as the antenna substrate is to be completely immersed in acid and alkali aqueous solutions for etching. Although both surfaces of the paper are coated with a waterproofing agent, the ends of the paper are still easily penetrated by the acid and alkali aqueous solutions, which can cause paper deformation. Therefore, paraffin oil is used to wet both ends of the paper.

[0036] Preferably, in the surface waterproofing, the material composition of the waterproof layer is a terpolymer produced by emulsion polymerization of butadiene, styrene, and unsaturated carboxylic acid. When using it, it is diluted with 5-10 times the amount of deionized water, and then the waterproofing agent is mechanically applied to the surface of the cardboard being formed and dried at a temperature of 55-65°C.

[0037] Preferably, the paper is 50-60 micrometer coated paper.

[0038] Preferably, the antenna material composite is as follows:

[0039] On a paper surface that has undergone surface and end waterproofing treatment, composite adhesive is applied to the upper and lower surfaces of the waterproof paper material through a composite method. After infrared drying, metal foil is laminated on each surface and then cured to form an antenna material with double-sided composite metal foil on the paper surface. The thickness of the composite adhesive ranges from 30 to 100 nanometers, and the thickness of the metal foil ranges from 10 to 35 micrometers.

[0040] Preferably, the antenna material composite is as follows:

[0041] On a paper surface that has undergone surface and end-face waterproofing treatment, a composite adhesive is applied to one surface of the waterproof paper material through a composite method. After infrared drying, a metal foil is laminated onto it, and then it undergoes curing treatment to create an antenna material with a single-sided composite metal foil on the paper surface. The thickness of the composite adhesive ranges from 30 to 100 nanometers, and the thickness of the metal foil ranges from 10 to 35 micrometers.

[0042] Preferably, when printing varnish according to the shape of the antenna coil, varnish in the shape of the bridge portion is simultaneously printed on the other side of the substrate, and the antenna coil and the bridge are fabricated by acid etching method; the antenna coil is connected to the antenna capacitor through the antenna pin, and the antenna capacitor is connected to the bridge through the riveting point.

[0043] Preferably, it further includes:

[0044] Resonant antenna conduction: By using a mechanical conduction punch, the antenna coils and the bridge located on both sides of the layerable paper substrate are punched through the paper layer to achieve conduction, thus making a complete high-frequency antenna.

[0045] Preferably, the varnish is printed on one side of the composite single-sided metal foil by printing the antenna protective varnish, and the antenna, antenna pins and feed ring are fabricated by acid etching.

[0046] Preferably, the antenna etching is performed in an aluminum washing tank using an acidic agent prepared by diluting 35-37% hydrochloric acid with water. The primary washing tank is prepared with a concentration of 25-30%, the secondary washing tank with a concentration of 20-25%, and the tertiary washing tank with a concentration of 15-20%, with the temperature controlled at 40-45°C in each tank. After printing the antenna line shape, the metal foil-based composite material is passed through the three-stage etching tank at a speed of 10-15 meters per minute, and then sequentially passes through a neutralization tank containing an alkaline solution and a water washing tank, followed by drying and winding to complete the antenna etching.

[0047] The present invention discloses a layerable paper substrate electronic tag antenna, which is manufactured using the above-described layerable paper substrate electronic tag antenna manufacturing method.

[0048] Compared with the prior art, the present invention has the following beneficial effects:

[0049] The method for producing layered paper-based electronic tag antennas described in this invention can meet the requirements of continuous roll production, satisfying both single-stage and multi-stage production methods for roll-type circuit board products. The antenna substrate is made of paper, which is easily degradable and replaces traditional PET film, offering certain advantages in environmental protection. The layered paper substrate is also cheaper than PET film, resulting in lower overall costs.

[0050] The layerable paper-based electronic tag antenna of this invention is manufactured using the aforementioned method. It can meet the requirements of continuous roll production, satisfying both single-stage and multi-stage production of roll-type circuit board products. The antenna substrate is made of paper, which is easily degradable and replaces traditional PET film, offering advantages in environmental protection. The layerable paper substrate is also cheaper than PET film, resulting in lower overall costs. Attached Figure Description

[0051] Figure 1 This is a schematic diagram of the paper material structure with surface waterproofing and end-face waterproofing as described in this invention;

[0052] Figure 2 This is a schematic diagram of the structure of the double-sided composite metal foil described in this invention;

[0053] Figure 3This is a schematic diagram of the structure of the single-sided composite metal foil described in this invention;

[0054] Figure 4 This is a schematic diagram of the front structure of the high-frequency antenna described in this invention;

[0055] Figure 5 This is a schematic diagram of the reverse side of the high-frequency antenna described in this invention;

[0056] Figure 6 This is a schematic diagram of the structure of the ultra-high frequency antenna described in this invention.

[0057] In the diagram: 1. Paper layer; 1-1. Peelable adhesive layer; 2. Waterproof layer; 3. Composite adhesive; 4. Metal foil; 5. Wax-sealed end face; 6. Antenna coil; 7. Antenna pin; 8. Antenna capacitor; 9. Bridge; 10. Riveting point; 11. Antenna; 12. Antenna pin; 13. Feed ring. Detailed Implementation

[0058] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0059] The working process of the method for producing a layerable paper-based electronic tag antenna according to the present invention is described as follows:

[0060] (1) Surface waterproofing treatment: Using paper as the substrate, apply a coating with waterproof and wetting properties, including water-soluble and solvent-based waterproof and water-resistant coatings. Control the thickness of the waterproof layer 2 coating within the range of 1-10 micrometers. For example... Figure 1 As shown, two waterproof layers 2 are formed by coating and drying the material on the upper and lower surfaces of paper layer 1, which has a peelable adhesive layer 1-1. The main component of the waterproof layer 2 is carboxylated styrene-butadiene latex, a terpolymer produced by emulsion polymerization of butadiene, styrene, and unsaturated carboxylic acids. It possesses the properties of styrene-butadiene latex, but due to the introduction of highly polar carboxyl groups, its adhesive properties are improved, resulting in higher film strength and bonding force. It also exhibits strong water resistance and abrasion resistance, as well as excellent stability and flowability. As a waterproof and moisture-proof coating for paper surfaces and other paper products, it can be diluted with approximately 5-10 times the amount of deionized water. The waterproof agent is then mechanically applied to the surface of the forming paperboard and dried at approximately 60°C. Due to the coating of the waterproof agent, the paper surface fibers have low surface tension, forming a water-resistant surface layer with good waterproof and moisture-proof effects.

[0061] (2) Waterproofing of paper edges: When paper is coated with waterproof paint, if the edges are not covered by the waterproof paint when immersed in water-based liquids, a hydrophobic agent needs to be sprayed onto the edges of the paper material. For example... Figure 1As shown, in order to prevent the paper layer 1 from being soaked by water-based media, which would cause the paper to deform or even break, it is necessary to form wax-sealed end faces 5 on all end faces of the paper layer 1 by spraying. The end faces after this treatment play a role in hydrophobicity and water resistance, so that water-based media cannot penetrate into the paper layer 1 and will not cause corrosion or damage to the paper material.

[0062] The wax-sealed end face 5 is made of paraffin microemulsion. After being coated or impregnated with paper material, the surface has a waterproof and water-repellent effect, and it can also prevent sticking. It has a waxy feel, a glossy effect, and a lubricating effect.

[0063] (3) Composite metal foil. Aluminum-plastic composite adhesive is used to coat the surface of paper material with composite adhesive 3. After the solvent is dried by hot air, composite metal foil 4 is formed. This includes all metal foils 4 that can be used for circuit production, not limited to copper foil, aluminum foil, etc.

[0064] Firstly, such as Figure 2 As shown, on the paper surface treated in steps (1) and (2), composite adhesive 3 is applied to the upper and lower surfaces of the waterproof paper material respectively through a composite method. After infrared drying, metal foil 4 is laminated on each surface. After necessary curing treatment, an antenna material with double-sided composite metal foil 4 on the paper layer 1 is formed. The thickness of composite adhesive 3 is 30-100 nanometers, and the thickness of metal foil 4 can range from 10-35 micrometers. It is used to make high-frequency antennas.

[0065] Secondly, such as Figure 3 As shown, on the paper surface treated in steps (1) and (2), a composite adhesive 3 is applied to one surface of the waterproof paper material through a composite method. After infrared drying, a metal foil 4 is laminated onto it, and then subjected to necessary curing treatment to create an antenna material with a single-sided composite metal foil 4 on the paper surface. The thickness of the composite adhesive 3 is 30-100 nanometers, and the thickness of the metal foil 4 can range from 10-35 micrometers, which is used to make ultra-high frequency antennas.

[0066] (4) Antenna Design. The antenna design of this invention includes the design of high-frequency antennas and ultra-high-frequency antennas. For example, the high-frequency antenna... Figure 4 and Figure 5 As shown, the ultra-high frequency antenna is as follows Figure 6 As shown.

[0067] (5) For similar circuits requiring circuit coil bridge connections, when printing varnish according to the shape of antenna coil 6, varnish of the bridge 9 shape should be printed simultaneously on the other side of the substrate, and the antenna coil 6 and bridge 9 should be fabricated by acid or alkaline etching. Then, the circuit bridge connection is completed on the conducting device to form a closed-loop LC resonant coil or other lines that need to pass through the thin film surface for conduction.

[0068] Similarly, an ultra-high frequency antenna can be fabricated by printing antenna protective varnish on one side of the composite single-sided metal foil 4 and then etching it using acidic or alkaline methods. For example... Figure 6 As shown, the antenna 11, antenna pin 12, and depleted ring 13 are fabricated.

[0069] Meanwhile, this application also protects a layerable paper-based electronic tag antenna, which is manufactured using the above-described method for manufacturing a layerable paper-based electronic tag antenna.

[0070] Here, the antenna, based on a layerable paper substrate, is distributed on both sides of the paper substrate. When this patented product is laminated into a self-adhesive label, the peelable adhesive layer 1-1 easily delaminates under the peeling force of the adhesive when the label is peeled off, causing the antenna to tear and thus rendering the label ineffective, achieving the purpose of preventing transfer and counterfeiting. The peelable adhesive layer 1-1 can be made of acrylic adhesive, weakly tack adhesive materials, etc.

[0071] It should be noted that the high-frequency antenna coil 6 is connected through the antenna bridge 9 via a conduction process; the ultra-high frequency antenna is usually designed on one side of the paper substrate, while the present invention can design the ultra-high frequency antenna and the feed ring 13 on both sides of the layerable paper substrate, and then complete the connection process.

[0072] Example 1:

[0073] High-frequency antennas such as Figure 4 and Figure 5 As shown, the production process is as follows:

[0074] 1. Surface waterproofing treatment: Select 50-60 micron coated paper as the antenna substrate, and apply waterproofing agent to both sides.

[0075] 2. End-face waterproofing: For the end faces of paper materials that have been coated with a waterproofing agent, paraffin oil is applied by spraying or soaking to allow the paraffin oil to penetrate into the end faces of the paper materials.

[0076] 3. Antenna material composite: 10-12 micrometer and 30-35 micrometer aluminum foils are directly laminated to the front and back surfaces of waterproof paper to form circuit materials.

[0077] 4. Varnish Printing: A printing plate is created using laser engraving based on the antenna design drawings. Then, on a gravure printing machine, protective varnish is applied to the surface of the antenna material to print the antenna lines. The high-frequency antenna includes antenna coils 6 and bridges 9, distributed on both sides of a layerable paper substrate. Therefore, antenna varnish printing requires simultaneous printing on both sides. The antenna coil lines 6 are printed on the surface laminated with 30-micron aluminum foil, while the antenna bridges 9 are printed on the surface laminated with 10-12-micron aluminum foil. Registration is performed according to the longitudinal jump and lateral spacing.

[0078] 5. Antenna Etching: Chemical reagents are prepared in the aluminum washing tank. In this embodiment, an acidic reagent is selected, using 35-37% hydrochloric acid diluted with water. The primary washing tank is prepared with a concentration of 25-30%, the secondary washing tank with a concentration of 20-25%, and the tertiary washing tank with a concentration of 15-20%, maintaining the temperature in each tank at 40-45℃. The aluminum foil paper-based composite material with the antenna line pattern printed is passed through the three-stage etching tank at a speed of 10-15 meters per minute, followed by a neutralization tank containing an alkaline solution, a water washing tank, drying, and winding to complete the antenna etching.

[0079] 6. Resonant antenna conduction: By using a mechanical conduction punch, the antenna coil 6 and the bridge 9 located on both sides of the delaminated paper substrate are punched through the paper layer to achieve conduction, thus making a complete high-frequency antenna.

[0080] Example 2:

[0081] Ultra-high frequency antennas such as Figure 6 As shown, the production process is as follows:

[0082] 1. Surface waterproofing treatment: Select 50-60 micron coated paper as the antenna substrate, and apply waterproofing agent to both sides.

[0083] 2. End-face waterproofing: For the end faces of paper materials that have been coated with a waterproofing agent, paraffin oil is applied by spraying or soaking to allow the paraffin oil to penetrate into the end faces of the paper materials.

[0084] 3. Antenna material composite: A 10-12 micron aluminum foil is directly laminated onto the waterproofed paper surface to form a circuit material.

[0085] 4. Varnish Printing: Based on the antenna design drawings, a printing plate is made by laser engraving. On a gravure printing machine, a protective varnish is used to print the antenna lines on the surface of the antenna material.

[0086] 5. Antenna Etching: Chemical reagents are prepared in the aluminum washing tank. In this embodiment, an acidic reagent is selected, using 35-37% hydrochloric acid diluted with water. The primary washing tank is prepared with a concentration of 25-30%, the secondary washing tank with a concentration of 20-25%, and the tertiary washing tank with a concentration of 15-20%, maintaining the temperature in each tank at 40-45℃. The aluminum foil paper-based composite material with the antenna line pattern printed is passed through the three-stage etching tank at a speed of 10-15 meters per minute, followed by a neutralization tank containing an alkaline solution, a water washing tank, drying, and winding to complete the antenna etching.

Claims

1. A method for producing a paper-based substrate electronic tag antenna that can be layered, characterized by, Comprising of: Surface waterproofing: Paper as antenna substrate, coated with a coating with waterproofing properties; On the upper and lower surfaces of the paper layer (1), two waterproof layers (2) are formed by coating and drying. The thickness of the coating of the waterproof layer (2) is in the range of 1 10 microns. End face waterproofing: Wax seal end face (5) formed by spraying on all end faces of the paper layer (1); Antenna material composite: adopt aluminum plastic composite glue, paper material surface is coated with composite glue (3), after hot air heating drying solvent, composite metal foil (4), the thickness range of metal foil (4) is 10 35 microns; Printing with varnish: Printing plate made by laser engraving according to antenna design drawing, printing antenna pattern on antenna material surface using protective varnish on a gravure printing machine; Antenna etching: Antenna etching completed by acidic etching method; The antenna is etched in an aluminum washing tank with an acidic agent, using 35 % hydrochloric acid diluted with water, a first washing tank with a concentration of 25 %, a second washing tank with a concentration of 20 %, and a third washing tank with a concentration of 15 %. The temperature of each tank is controlled at 40 °C, and the speed of the metal foil (4) is 10 m / min. After the etching, the metal foil (4) is sequentially passed through a neutralizing tank with an alkaline solution, a water washing tank, and a drying tank, and is then wound up to complete the etching of the antenna. The antenna based on the layered paper substrate is distributed on both sides of the paper substrate, and after being compounded into the adhesive label, when the label is removed, the adhesive layer (1 1) delamination under the action of adhesive peel force, resulting in antenna tearing and label failure.

2. The method of claim 1, wherein the method further comprises: In the surface water-proofing, the material component of the water-proofing layer (2) uses a terpolymer produced by emulsion polymerization of butadiene, styrene and unsaturated carboxylic acid, which is diluted 5 times with deionized water before being mechanically applied to the surface of the forming paperboard, and dried at a temperature of 55 °C.

3. The method of claim 1, wherein the method further comprises the step of: The paper used is 50 60 microns copper plate paper. ​ 4. The method of claim 1, wherein the method further comprises the step of: The antenna material is compounded as follows: on the paper surface which has been treated with surface waterproofing and end surface waterproofing, compound glue (3) is coated on the upper and lower surfaces of the waterproof paper by compounding, and after infrared drying, metal foil (4) is compounded respectively, and then after maturation treatment, the antenna material with double-sided metal foil (4) on the paper surface is made; the thickness of the compound glue (3) is in the range of 30 100 nanometers, and the thickness of the metal foil (4) is in the range of 10 35 micrometers. ​ 5. The method of claim 1, wherein the method further comprises the step of: The antenna material is compounded as follows: on the surface of paper which has been treated with waterproofing, a compound glue (3) is coated on one surface of the waterproof paper by compounding, and after infrared drying, a metal foil (4) is compounded, and after curing treatment, an antenna material with single surface of the paper layer compounded with the metal foil (4) is made; the thickness of the compound glue (3) is in the range of 30 100 nanometers, and the thickness of the metal foil (4) is in the range of 10 35 micrometers. ​ 6. The method of claim 1, wherein the method further comprises: The printing with varnish prints the shape of the antenna coil (6) and the bridge (9) on the other side of the substrate at the same time, and the antenna coil (6) and the bridge (9) are completed by acidic etching method; the antenna coil (6) is connected to the antenna capacitor (8) through the antenna pin (7), and the antenna capacitor (8) is connected to the bridge (9) through the riveting point (10).

7. The method of claim 6, wherein the method further comprises the step of applying a layer of adhesive to the paper substrate. Also comprising of: Resonant antenna conduction: The antenna coil (6) and the bridge (9) on both sides of the paper substrate that can be layered are punched through the paper layer to achieve conduction by a mechanical conduction punch, making a complete high-frequency antenna.

8. The method of claim 1, wherein the method further comprises the step of: The printing with varnish prints the shape of the antenna (11), the antenna pin (12), and the feed ring (13) on one side of the single-sided metal foil (4) composite, and the antenna (11), the antenna pin (12), and the feed ring (13) are completed by acidic etching method. ​ 9. A paper-based substrate electronic tag antenna that can be layered, characterized by, The paper-based substrate electronic tag antenna production method of any one of claims 1 8 The paper-based substrate electronic tag antenna production method of any one of claims 1

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