CN203217601U - High-frequency RFID anti-counterfeit tag easy to tear - Google Patents

High-frequency RFID anti-counterfeit tag easy to tear Download PDF

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Publication number
CN203217601U
CN203217601U CN 201320253891 CN201320253891U CN203217601U CN 203217601 U CN203217601 U CN 203217601U CN 201320253891 CN201320253891 CN 201320253891 CN 201320253891 U CN201320253891 U CN 201320253891U CN 203217601 U CN203217601 U CN 203217601U
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CN
China
Prior art keywords
antenna
circuit layer
layer
frequency
film substrate
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Expired - Lifetime
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CN 201320253891
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Chinese (zh)
Inventor
刘彩凤
黄爱宾
胡日红
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Hangzhou Ontime IT Co ltd
Hangzhou Dianzi University
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Hangzhou Ontime Electronic Technology Co ltd
Hangzhou Dianzi University
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Priority to CN 201320253891 priority Critical patent/CN203217601U/en
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Publication of CN203217601U publication Critical patent/CN203217601U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a high-frequency RFID anti-counterfeit tag easy to tear. The high-frequency RFID anti-counterfeit tag includes a surface material (1), an electronic chip layer (3), an antenna inductance circuit layer (4), an antenna thin film substrate (6), an antenna capacitance circuit layer (8) and a bottom paper layer (10); one surface of the surface material (1) is bonded with one surface of the electronic chip layer (3); the other surface of the electronic chip layer (3) is compounded with one surface of the antenna inductance circuit layer (4); the other surface of the antenna inductance circuit layer (4) is bonded with one surface of the antenna thin film substrate (6); the other surface of the antenna thin film substrate (6) is bonded with one surface of the antenna capacitance circuit layer (8); the other surface of the antenna capacitance circuit layer (8) is bonded with the bottom paper layer (10); and the antenna inductance circuit layer (4) is electrically connected with the antenna capacitance circuit layer (8). The high-frequency RFID anti-counterfeit tag of the utility model has a broad application prospect in fields such as alcohol tracing, tobacco verification, file encryption, anti-counterfeiting of tickets, anti-counterfeiting of electrical appliances, intelligent gas meters, intelligent electric meter and logistics testing.

Description

A kind of high-frequency RF ID antifalsification label that easily tears
Technical field
The utility model belongs to the technology of Internet of things field, also belongs to field of anti-counterfeit technology, is specifically related to a kind of high-frequency RF ID antifalsification label that easily tears.
Background technology
REID is used radio frequency identification signal object is identified.REID is a kind of technology of built-in radio chip, can store a series of information in the chip.Usually, rfid system is made up of these three major parts of electronic tag, read write line and data management system.
The RFID application is very extensive, in fields such as logistics, retail, manufacturing industry, rag trade, medical treatment, identification, false proof, asset management, traffic, food, animal identification, library, automobile, aviation, military affairs application is arranged all.
Electronic tag is made up of antenna and RFID chip, and each chip contains unique identification code, is used for representing the object that electronic tag is accompanying.The RFID label by RFID antenna packaged chip after the decals printing obtain.The manufacturing of RFID antenna at present mainly contains following several method:
One, wire winding: adopt the copper coil coiling.Shortcoming is the cost height, and speed of production is slow.
Two, laser direct-writing technology: can only draw a design on a small quantity, can't satisfy production in enormous quantities.
Three, Wiring technique: require the material can the ultrasonic probe hot melt.
Four, silk-screen printing technique: advantage is to base material selectivity height; But, adopting conductive silver paste usually, cost is higher and conductivity is limited.
Five, copper plating process: the production line production capacity is had relatively high expectations, and the amount of having only great talent has cost advantage.
Six, die-cutting process: cross cutting mechanical wear and precision control are required than higher, still be in development at present.
Seven, etch process: the production technology that is present main flow.
China Patent No. 201220312800.3 discloses the frangible false proof antenna of a kind of RFID high frequency, though the patented product has its advantage, but it adopts and antenna substrate PET edge is carried out otch obtains groove structure or broached-tooth design and realize frangible function, this mode is difficult to scale of mass production, and can have influence on the outward appearance of antenna tag.
Summary of the invention
For these reasons, the utility model discloses a kind of high-frequency RF ID antifalsification label that easily tears.Fields such as the utility model RFID antifalsification label is traced to the source at drinks, tobacco checking, file encryption, ticket anti-pseudo, false proof, the intelligent gas meter of electrical equipment, intelligent electric meter, logistics check have broad application prospects.
The utility model is taked following technical scheme: easily tear high-frequency RF ID antifalsification label, comprise plane materiel (1), electronic chip layer (3), inductance circuit layer (4), antenna film substrate layer (6), antenna capacitance circuit layer (8), ground paper layer (10), the bonding electronic chip layer of the inside surface of plane materiel (1) (3), the another side combined antenna inductive circuit layer (4) of electronic chip layer (3), the bonding antenna film substrate of the another side layer (6) of inductance circuit layer (4), the bonding antenna capacitance circuit layer of the another side of antenna film substrate layer (6) (8), the bonding ground paper layer of another side (10) of antenna capacitance circuit layer (8); Inductance circuit layer (4) electrically connects (as riveted joint) with antenna capacitance circuit layer (8).
Preferably, compound plane materiel (1) adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40~150 μ m.
Preferably, the thickness of plastic film substrate (6) is between 12 μ m~25 μ m.Plastic sheeting moistened surface tension force is 40~55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40~120 orders/inch, and the version line degree of depth is 40~90 μ m.The rolling pressure of metal pressure roller and film is 2~7MPa, and speed is 15~50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
Preferably, the another side of inductance circuit layer (4) is by first adhesive phase (5) bonding antenna film substrate layer (6), and the another side of antenna film substrate layer (6) is by the bonding antenna capacitance circuit layer of second adhesive phase (7) (8).First adhesive phase (5) and second adhesive phase (7) are two-component polyurethane adhesive, gluing thickness is 1~6 μ m, glue spreader resolution is 100~200 orders/inch, the mesh degree of depth is 20~40 μ m, host: hardening agent: solvent=10:1:6~10:1:25, drying tunnel temperature is 40 ℃~100 ℃, and the curing time is 2~5 days, and curing temperature is 35 ℃~70 ℃.
(high frequency is different with the principle of work of ultrahigh frequency, and the working frequency range of high frequency adopts the inductive coupling mode to obtain energy work at 3~30MHz.The working frequency range of ultrahigh frequency obtains energy work at 300MHz~3GHz by the electromagnetic coupled mode.)
The invention also discloses above-mentioned manufacture method of easily tearing high-frequency RF ID antifalsification label, its basic preparation technology is: thin layer high-temperature resistance plastice film is compound with aluminium foil after easily tearing processing, the binding chip obtains easily to tear the dried Inlay of high-frequency RF ID after the printing etching, obtains easily to tear false proof high-frequency RF ID antifalsification label after encapsulating.The tracking that this label not only the has traditional high-frequency RF ID label function of tracing to the source, and label itself has also possessed the function of easily tearing false proof replacing-proof.The method is low than the technology cost of conductive silver paste ink printing; The antenna fineness that makes simultaneously is also much higher than electrically conductive ink printed with fine degree; Under equal conditions, it is far away to adopt the high-frequency RF ID of the method preparation easily to tear the antifalsification label reading distance.And, but the method make easily tear the advantage that high-frequency RF ID label also has scale of mass production.(annotate: Inlay is the proprietary word of RFID industry, just is called behind the RFID antenna pasting chip to do Inlay, and with the compound Inlay that wets that just is called of facial tissue and the base stock that scribbles hot melt adhesive, printed patterns just can be called label on facial tissue more again.)
Manufacture method of easily tearing high-frequency RF ID antifalsification label disclosed in the utility model is to be raw material with aluminium foil and thin layer high-temperature resistance plastice film, compound with aluminium foil after intensity reduces processing by thin layer high-temperature resistance plastice film, the binding chip obtains easily to tear the dried Inlay of high-frequency RF ID after the printing etching, easily tears high-frequency RF ID antifalsification label through printing encapsulation back acquisition.Concrete steps are as follows:
(1) antenna film substrate layer is carried out intensity and reduce processing;
Preferably, at first thin layer high-temperature resistance plastice film surface coating diglycol is the synthetic polyester of raw material, and corona treatment, reduces the surface strength of plastic sheeting, use version line metal pressure roller that plastic sheeting is carried out roll extrusion then and handle, reduce the tearability of plastic sheeting.The prepared plastic sheeting of easily tearing must have enough longitudinal tensile strength on the one hand, can satisfy the compound stretching requirement of film and aluminium foil, must have good tearability on the other hand, can satisfy free-hand this film of tearing of all directions.
(2) reduce two-sided all clad aluminum foils of the thin layer plastic film substrate layer handled through intensity; Can adopt composite dry process to make composite membrane.
(3) at the aluminium foil of capacitive surface with antiacid etching alkali solubility ink printing antenna capacitance pattern and cross-line pattern, all print antiacid etching alkali solubility printing ink blank on the aluminium foil of inductance face in coil;
(4) be dipped in the acid solution etching, etching solution can be hydrochloric acid, also can be ferric trichloride, phosphoric acid, nitric acid etc.Remove the printing ink of aluminium foil surface with alkaline solution, alkaline solution can be sodium hydroxide solution, sodium carbonate liquor, solution of potassium carbonate etc.; Pass through rolling behind the washing and drying then;
(5) capacitive surface and inductance face are riveted;
(6) packaged chip is namely in the outside surface packaging electronic chip layer of inductance circuit layer;
(7) outside surface of electronic chip layer and fragile paper are compound, and be then that outside surface and the silicone oil base stock of antenna capacitance circuit layer is compound, makes after the cross cutting waste discharge and easily tear high-frequency RF ID antifalsification label.Can use RFID label packaging machine, it is compound, compound with the base stock that scribbles adhesive sticker again with the figuratum facial tissue of printing that gained is done Inlay, prepares and easily tear high-frequency RF ID antifalsification label.
Preferably, the thickness requirement of plastic film substrate is between 12 μ m~25 μ m.Plastic sheeting moistened surface tension force is 40~55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40~120 orders/inch, and the version line degree of depth is 40~90 μ m.The rolling pressure of metal pressure roller and film is 2~7MPa, and speed is 15~50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
Preferably, first adhesive phase and/or second adhesive phase are two-component polyurethane adhesive, gluing thickness is 1~6 μ m, glue spreader resolution is 100~200 orders/inch, the mesh degree of depth is 20~40 μ m, and host: hardening agent: solvent=10:1:6~10:1:25, drying tunnel temperature are 40 ℃~100 ℃, curing time is 2~5 days, and curing temperature is 35 ℃~70 ℃.
Preferably, compound plane materiel adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40~150 μ m.
Aluminum foil thickness is usually between 9 μ m to 55 μ m.The volumetric concentration of etching solution is preferably between 5%~40%.Etching speed is preferably between 1~10m/min.
It is raw material that the utility model adopts through intensity processed plastic film, aluminium foil, facial tissue etc., has good easy-to-rupture energy.Its material therefor wide material sources, with low cost.Adopt engraving method can obtain easily to tear the false proof antenna of high-frequency RF ID, antenna makes behind the facial tissue that the compound encapsulation of pasting chip was printed and easily tears high-frequency RF ID antifalsification label.
The utility model easily tears high-frequency RF ID antifalsification label and can be used for technical fields such as drinks is traced to the source, tobacco checking, ticket anti-pseudo, false proof, the intelligent gas meter of electrical equipment, intelligent electric meter, logistics check.
Description of drawings
Fig. 1 is a kind of structural representation that preferably easily tears high-frequency RF ID antifalsification label.
Fig. 2 is the overall craft route map that the utility model easily tears high-frequency RF ID antifalsification label.
Fig. 3 is the synoptic diagram behind the inductance face aluminium foil pattern.
Among the figure: 1-plane materiel, 2-first non-drying glue layer, 3-electronic chip layer, 4-inductance circuit layer, 5-first adhesive phase, 6-antenna film substrate layer, 7-second adhesive phase, 8-antenna capacitance circuit layer, 9-second non-drying glue layer, 10-ground paper layer, 11-be the printing-ink white space not, 12-inductance face circuit printed patterns, 13-inductance face circuit region outside ink coverage areas.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and preferred embodiment.
Referring to Fig. 1, present embodiment easily tears high-frequency RF ID antifalsification label and comprises plane materiel 1, electronic chip layer 3, inductance circuit layer 4, antenna film substrate layer 6, antenna capacitance circuit layer 8, ground paper layer 10, the inside surface of plane materiel 1 is by first non-drying glue layer, 2 bonding electronic chip layers 3, the another side combined antenna inductive circuit layer 4 of electronic chip layer 3, the another side of inductance circuit layer 4 is by first adhesive phase, 5 bonding antenna film substrate layers 6, the another side of antenna film substrate layer 6 is by second adhesive phase, 7 bonding antenna capacitance circuit layers 8, and the another side of antenna capacitance circuit layer 8 is by second non-drying glue layer, 9 bonding ground paper layers 10; Inductance circuit layer 4 conducting with 8 riveted joints of antenna capacitance circuit layer.
Compound plane materiel 1 adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40~150 μ m.
The thickness of plastic film substrate 6 is between 12 μ m~25 μ m.Plastic sheeting moistened surface tension force is 40~55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40~120 orders/inch, and the version line degree of depth is 40~90 μ m.The rolling pressure of metal pressure roller and film is 2~7MPa, and speed is 15~50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
First adhesive phase 5 and second adhesive phase 7 are two-component polyurethane adhesive, gluing thickness is 1~6 μ m, glue spreader resolution is 100~200 orders/inch, the mesh degree of depth is 20~40 μ m, host: hardening agent: solvent=10:1:6~10:1:25(volume ratio), drying tunnel temperature is 40 ℃~100 ℃, and the curing time is 2~5 days, and curing temperature is 35 ℃~70 ℃.
As shown in Figure 2, a kind of production process that preferably easily tears high-frequency RF ID antifalsification label is specific as follows described:
(1) adopting thick polyethylene terephthalate (PET) the film surface coating diglycol of 12 μ m is the synthetic polyester of raw material, wetting tension reaches 45mN/m through the corona treatment rear surface, using woven design stencilling line metal pressure roller that plastic sheeting is carried out roll extrusion then handles, version line resolution is 80 orders/inch, and the version line degree of depth is 80 μ m.The rolling pressure of metal pressure roller and film is 5MPa, and speed is 20m/min, reduces the tearability of plastic sheeting, and prepared plastic sheeting 6 longitudinal tensile strength are 125MPa.
(2) it is compound that the PET film substrate 6 after will handling and 55 μ m aluminium foils adopt composite dry process, glue spreader resolution is 180 orders/inch, the mesh degree of depth is 30 μ m, adopt high temperature resistant (180 ℃) two-component adhesive 5 compound, host: hardening agent: solvent=10:1:10(volume ratio), in the present embodiment, host is that ADCOTE502S, hardening agent are that Catalyst F, solvent are ethyl acetate; Drying tunnel temperature is for being followed successively by 50 ℃, and 70 ℃, 90 ℃.Curing time is 4 days, and curing temperature is 50 ℃.
(3) again that another side and the 9 μ m aluminium foils employing composite dry process of PET film substrate 6 is compound, glue spreader resolution is 180 orders/inch, the mesh degree of depth is 30 μ m, adopt high temperature resistant (180 ℃) two-component adhesive 7 compound, host: hardening agent: solvent=10:1:10(volume ratio), in the present embodiment, host is that ADCOTE502S, hardening agent are that Catalyst F, solvent are ethyl acetate; Drying tunnel temperature is for being followed successively by 50 ℃, and 70 ℃, 90 ℃.Curing time is 3 days, and curing temperature is 50 ℃.
(4) according to the used aluminium foil of inductance face than the thick and definite inductance face of capacitive surface aluminium foil and capacitive surface, at the aluminium foil of capacitive surface with antiacid etching alkali solubility ink printing antenna capacitance pattern and cross-line pattern, all print antiacid etching alkali solubility printing ink the blank on the aluminium foil of inductance face in coil, as shown in Figure 3.
(5) to be dipped in concentration be 25% hydrochloric acid solution etching to the clad aluminum foil that will print pattern, is the printing ink that 5% sodium hydroxide solution is removed aluminium foil surface with concentration again, and the control of erosion speed is at 5m/min, passes through rolling behind the washing and drying then.
(6) capacitive surface and inductance face are riveted.(for high frequency antenna, for the plastic material of one deck insulation, the circuit of inductance face and capacitive surface need be coupled together in the middle of inductance face and the capacitive surface, so present embodiment adopts riveting process the line conduction on two sides.)
(7) use electronic tag packaging machine packaged chip, namely in the outside surface packaging electronic chip layer 3 of inductance circuit layer 4.
(8) use RFID label packaging machine with the RFID antenna be electronic chip layer 3 outside surface be printed with pattern and have 300 μ m fragile paper 1 of adhesive sticker 2 compound, then that the outside surface of antenna capacitance circuit layer 8 is compound with the silicone oil base stock 10 that scribbles adhesive sticker 9, after the cross cutting waste discharge, make and easily tear high-frequency RF ID antifalsification label.
The related electronic tag packaging machine of the utility model, RFID label packaging machine etc. all can adopt prior art.
More than preferred embodiment of the present utility model is had been described in detail; for those of ordinary skill in the art; according to the thought that the utility model provides, the part that on embodiment, can change, and these changes also should be considered as protection domain of the present utility model.

Claims (6)

1. easily tear high-frequency RF ID antifalsification label, it is characterized in that comprising plane materiel (1), electronic chip layer (3), inductance circuit layer (4), antenna film substrate (6), antenna capacitance circuit layer (8), ground paper layer (10), the one side of one surperficial bonding electronic chip layer (3) of plane materiel (1), the one side of the another side combined antenna inductive circuit layer (4) of electronic chip layer (3), the one side of the bonding antenna film substrate of the another side of inductance circuit layer (4) (6), the one side of the bonding antenna capacitance circuit layer of the another side of antenna film substrate (6) (8), the bonding ground paper layer of another side (10) of antenna capacitance circuit layer (8); Inductance circuit layer (4) electrically connects with antenna capacitance circuit layer (8).
2. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1 is characterized in that: macromolecular material, LWC, super inferior paper, newsprint, offset paper or the art paper of plane materiel (1) employing fragile paper, wafer, destructible.
3. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1 or 2, it is characterized in that: the thickness of plane materiel (1) is 40~150 μ m.
4. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1, it is characterized in that: the thickness of antenna film substrate (6) is 12 μ m~25 μ m.
5. as claim 1 or the 4 described high-frequency RF ID antifalsification labels that easily tear, it is characterized in that: the another side of inductance circuit layer (4) is by first adhesive phase, 5 bonding antenna film substrates (6), and the another side of antenna film substrate (6) is by the bonding antenna capacitance circuit layer of second adhesive phase (7) (8).
6. as claim 1 or the 4 described high-frequency RF ID antifalsification labels that easily tear, it is characterized in that: inductance circuit layer (4) and antenna capacitance circuit layer (8) riveted joint.
CN 201320253891 2013-05-09 2013-05-09 High-frequency RFID anti-counterfeit tag easy to tear Expired - Lifetime CN203217601U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103295057A (en) * 2013-05-09 2013-09-11 杭州电子科技大学 Easy-to-tear ultrahigh-frequency RFID (radio frequency identification) anti-counterfeit tag and production method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103295057A (en) * 2013-05-09 2013-09-11 杭州电子科技大学 Easy-to-tear ultrahigh-frequency RFID (radio frequency identification) anti-counterfeit tag and production method thereof
CN103295057B (en) * 2013-05-09 2015-11-25 杭州电子科技大学 One easily tears high-frequency RF ID antifalsification label and manufacture method thereof

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GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park No. 2 street

Patentee after: HANGZHOU DIANZI University

Patentee after: HANGZHOU ONTIME I.T. CO.,LTD.

Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park No. 2 street

Patentee before: HANGZHOU DIANZI University

Patentee before: HANGZHOU ONTIME ELECTRONIC TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130925