CN202771461U - High-frequency fragile RFID electronic tag with anti-transfer function - Google Patents
High-frequency fragile RFID electronic tag with anti-transfer function Download PDFInfo
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- CN202771461U CN202771461U CN 201220388179 CN201220388179U CN202771461U CN 202771461 U CN202771461 U CN 202771461U CN 201220388179 CN201220388179 CN 201220388179 CN 201220388179 U CN201220388179 U CN 201220388179U CN 202771461 U CN202771461 U CN 202771461U
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- electronic tag
- rfid electronic
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- 239000010410 layer Substances 0.000 claims abstract description 84
- 238000005530 etching Methods 0.000 claims abstract description 49
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims abstract description 10
- 239000011162 core material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011889 copper foil Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 6
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 4
- 239000011888 foil Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000007639 printing Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model discloses a high-frequency fragile RFID electronic tag with the anti-transfer function, which comprises a bearing substrate, a first adhesive layer, a resin film, an etched antenna layer, a chip, a first insulating layer, a conductive circuit layer, a second adhesive layer and a pattern bearing layer. The resin film is arranged between the bearing substrate and the etched antenna layer. Copper foils or aluminum foils are subjected to the etching process to mold the etched antenna layer. The conductive circuit layer and the etched antenna layer together form the composite high-frequency antenna of the frangible RFID electronic tag. The conductive circuit layer enables the conduction of a jumper wire on the etched antenna layer. the first insulating layer is arranged between the conductive circuit layer and the etched antenna layer. The chip is connected with the etched antenna layer. A core material assembly is formed by the etched antenna layer, the conductive circuit layer, the first insulating layer and the chip. The pattern bearing layer is bonded to the other side of the entire core material assembly through the second adhesive layer. According to the technical scheme of the utility model, the anti-counterfeiting property of the entire high-frequency fragile RFID electronic tag is ensured, so that the safety of products is greatly improved.
Description
Technical field
The utility model relates to the RFID of Internet-of-things field, relate in particular a kind of frangible RFID electronic tag of anti-transfer function high frequency that has, it is applicable to, and various needs are false proof, the RFID application scenario of tamper, especially become the high-grade products such as vehicle management, drinks, medicine, cosmetics and trace to the source and false proof ideal chose.
Background technology
The frangible label of common high frequency is take frangible printing material or PET as fabric, the mode of back side silk-screen or gravure conductive silver paste or electrically conductive ink, and when realizing after frangible label is sticked base material, uncovering again, the random fracture of material.But because the high frequency antenna pattern is as main basically take coil, this type of preparation method, the line-spacing live width is substantially all to more than the 0.25mm, the diameter of label substantially all more than 25mm, among the PIN of chip position spacing also greater than 0.18mm, i.e. low, the whole silver slurry of the yield circuit made of chip, change in impedance value is large, the consistance of tag performance is poor, and still can realize complete opening after usually heating, and does not reach frangible function.
Along with country more and more payes attention to property safety, food security, drug safety etc., based on the frangible RFID electronic tag of the high frequency of 13.56MH trace to the source with false proof above more and more important, will replace common frangible label in increasing field.The technical scheme that the frangible security RFID electronic tag of high frequency adopts usually, be with electrically conductive ink or metallic particles by serigraphy at the fragile paper material and above the PET base material, print the RFID antenna and form, but the reasons such as, conductive materials resistive impedance low owing to the printed antenna precision is inconsistent, can't make high-quality RFID electronic tag, and the RFID electronic tag of making also has the defective of narrow application range.
In view of this, the inventor has this case to produce for the defects further investigation of existing frangible security RFID electronic tag then.
The utility model content
The purpose of this utility model is to provide a kind of frangible RFID electronic tag of anti-transfer function high frequency that has, and still can realize complete opening to solve to exist in the prior art after heating, i.e. the poor problem of antifalsification.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of have a frangible RFID electronic tag of anti-transfer function high frequency, wherein, comprise supporting substrate, the first glue-line, resin molding, etching antenna layer, the first insulation course, conducting wire layer, chip, the second glue-line and pattern bearing bed, this resin molding is between supporting substrate and etching antenna layer, this first glue-line between resin molding and supporting substrate, this etching antenna layer for Copper Foil or aluminium foil through the etch process moulding; This conducting wire layer consists of the High Frequency Of Recombination antenna of frangible RFID electronic tag with this etching antenna layer, and this conducting wire layer is realized the wire jumper conducting on etching antenna layer, and this first insulation course arranges between this conducting wire layer and the etching antenna layer; This chip links to each other with the etching antenna layer, and this etching antenna layer, conducting wire layer, the first insulation course and chip consist of the core material assembly, and this pattern bearing bed is bonded in the opposite side of whole core material assembly by the second glue-line.
Further, this frangible RFID electronic tag also comprises the second insulation course, and this second insulation course is arranged between conducting wire layer and the second glue-line.
Further, this frangible RFID electronic tag also comprises conductive adhesive layer, and this conductive adhesive layer is arranged between chip and the second glue-line.
Further, the material of this pattern bearing bed is fragile paper, art paper or PET film, and the outside surface of this pattern bearing bed also silk-screen has had the ink lay that indicates anti-fake effect.
Further, the etching accuracy tolerance of circuit is at ± 0.02mm on this etching antenna layer, and minimum line is 0.1-0.25mm apart from live width.
After adopting said structure, when opening again the utility model is attached on the even curfaces such as glass, bottleneck and desk when label after, because the viscosity of the second glue-line, this pattern bearing bed can't completely be uncovered, and namely one tears this pattern bearing bed, and this pattern bearing bed namely can drive this conducting wire layer, thereby so that disconnect between conducting wire layer and the etching antenna layer, namely destroy circuit, so that can't read the content in the chip, reach the purpose of tamper; Because wire jumper is connected between this conducting wire layer and this etching antenna layer, so that the mode that heats in secondary heating such as use hair dryers also is to realize complete uncovering, thereby guaranteed the antifalsification of whole electronic tag.Simultaneously owing to having adopted the mode that forms photosensitive type compound substance and exposure to realize line transitions, then again by etched technique, so so that the etching accuracy tolerance that is formed on circuit on the etch layer on supporting substrate, the first glue-line and the resin molding at ± 0.02mm, minimum line is 0.1-0.25mm apart from live width, thereby has improved the overall performance of whole etching electronic tag.
Description of drawings
Fig. 1 is that the utility model relates to a kind of cut-open view with the frangible RFID electronic tag of anti-transfer function high frequency;
Fig. 2 is that the utility model relates to a kind of schematic diagram with a kind of specific embodiment of the frangible RFID electronic tag of anti-transfer function high frequency.
Among the figure:
Frangible RFID electronic tag 100
Supporting substrate 1 first glue-line 11
Resin molding 2
Etching antenna layer 3 chip 4
The first insulation course 5 conducting wire layers 6
The second glue-line 7 pattern bearing beds 8
The second insulation course 9 conductive adhesive layers 10.
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figure 1, the utility model relates to a kind of frangible RFID electronic tag 100 of anti-transfer function high frequency that has, wherein, comprise supporting substrate 1, the first glue-line 11, resin molding 2, etching antenna layer 3, chip 4, the first insulation course 5, conducting wire layer 6, the second glue-line 7 and pattern bearing bed 8.
This resin molding 2 and is preferably and can prevents the post bake 30-200 ℃ of softening glued membrane of heating between supporting substrate 1 and etching antenna layer 3, is uncovered by complete preventing; 11 of this first glue-lines are between resin molding 2 and supporting substrate 1.
This etching antenna layer 3 for Copper Foil or aluminium foil through the etch process moulding, preferably, the etching accuracy tolerance of circuit can be at ± 0.02mm on this etching antenna layer 3, minimum line is 0.1-0.25mm apart from live width.This conducting wire layer 6 consists of the High Frequency Of Recombination antenna of frangible RFID electronic tag 100 with this etching antenna layer 3, the wire jumper conducting that this conducting wire layer 6 is realized on the etching antenna layer 3, this first insulation course 5 arranges between this conducting wire layer 6 and the etching antenna layer 3; This chip 4 links to each other with etching antenna layer 3, and this etching antenna layer 3, conducting wire layer 6, the first insulation course 5 and chip 4 consist of the core material assembly, and this pattern bearing bed 8 is bonded in the opposite side of whole core material assembly by the second glue-line 7.
More specifically, this frangible RFID electronic tag 100 also comprises the second insulation course 9, and this second insulation course 9 is arranged between conducting wire layer 6 and the second glue-line 7; In addition, also be provided with conductive adhesive layer 10 between this chip 4 and the second glue-line 7.The material of this pattern bearing bed 8 then can be fragile paper, art paper or PET film, can certainly be other friable material, the outside surface of this pattern bearing bed 8 also silk-screen has had the ink lay that indicates anti-fake effect, particularly, this pattern that indicates anti-fake effect can be the sign of bar code, two-dimension code, literal, symbol and various pictorial trademark or other anti-fake effects.
Thus, be attached on the even curfaces such as glass, bottleneck and desk when label after, specifically when electronic tag came into operation, this supporting substrate 1 was substituted by mark; When this label is opened again, because the viscosity of the second glue-line 7, this pattern bearing bed 8 can't completely be uncovered, namely one tear this pattern bearing bed 8, this pattern bearing bed 8 namely can drive this conducting wire layer 6, thereby so that disconnect between conducting wire layer 6 and the etching antenna layer 3, and then destroyed really antenna traces, so that can't read content in the chip 4, reach the purpose of tamper; Be connected just because of wire jumper between this conducting wire layer 6 and this etching antenna layer 3, so that also be to realize complete uncovering in the mode of using the secondary heating heating such as hair dryer, thereby guaranteed the antifalsification of whole electronic tag.
Simultaneously, owing to having adopted the mode that forms photosensitive type compound substance and exposure to realize line transitions, then again by etched technique, so so that the etching accuracy tolerance that is formed on circuit on the etch layer on supporting substrate 1 and the resin molding 2 at ± 0.02mm, minimum line is 0.1-0.25mm apart from live width, thereby has improved the overall performance of whole etching electronic tag.
For allow the utility model relates to a kind of have the frangible RFID electronic tag 100 of anti-transfer function high frequency can be by fully open, the utility model also provides its preparation method, the below is divided into three embodiment and comes its method is described respectively:
Embodiment one:
This preparation method comprises the steps:
1., selecting thickness is the PET of 18～60um, this PET is a kind of in the supporting substrate 1, and to be that the aluminium foil of 8～50um carries out compound with thickness behind coating thereon or the composite chemical adhesive film, forms single face PET clad aluminum foil, and this single face PET clad aluminum foil is a kind of of composite base material;
2., volume to volume applying photosensitive type dry film material or the anti-etching wet film printing ink of silk-screen on above-mentioned single face PET clad aluminum foil;
3., will need etched antenna pattern to make film egative film, adopt the volume to volume exposure machine, the line pattern of wire is transferred to the photosensitive type compound substance or above the anti-etching wet film printing ink;
4., will expose that composite base material good and that post photosensitive type compound substance or anti-etching wet film printing ink develops, etching and stripping, so form the etching accuracy tolerance at ± 0.02mm, minimum line is the etching antenna layer 3 of 0.1-0.25mm apart from live width;
5., on the good etching antenna layer 3 of above-mentioned etching, silk-screen the first insulation course 5, then silk-screen conducting wire layer 6, again silk-screen the second insulation course 9 on the wire line layer on the position of the first insulation course 5; In the present embodiment, this first insulation course 5 is the dielectric ink of 8-30um for thickness, and this wire line layer is that thickness is conductive silver paste or the electrically conductive ink of 5-50um, and the second insulation course 9 is the dielectric ink of 5-30um for thickness;
6., above-mentioned etching antenna layer 3 and chip 4 are fitted together and make core material assembly, i.e. INLAY;
7., get the pattern bearing bed 8 that thickness is 30-150um, and formed the marking layer of anti-fake effect in its one side, namely adopt printing or print bar code, two-dimension code or other pattern contents, be coated with the second glue-line 7 and form frangible security RFID electronic tag with the core material assembly at its another side again.When actual moulding, above-mentioned RFID electronic tag only is semi-manufacture, before effective sale, also comprise the supporting substrate that tears off outside the resin molding 2, the recycling one new bearer base material with the first glue-line 11 (such as release liners or release film) and compound with resin molding 2, so so that whole RFID electronic tag can utilize the first glue-line 11 and be fitted on the article.
Preferably, this resin molding 2 be for can preventing the post bake 30-200 ℃ of softening glued membrane of heating, and uncovered by complete preventing.And step 6. and step 7. between, also be included in the step that conductive adhesive layer 10 is set on the chip 4.
Embodiment two:
In the present embodiment, it is identical with the first example structure, and its difference is to replace aluminium foil with Copper Foil, and then adopts 5-40um for the thickness of this conductive silver paste or electrically conductive ink.
Embodiment three:
In the present embodiment, itself and the second embodiment are basic identical, and its difference is to adopt the art paper of 30-120um to substitute the fragile paper of 30-150um.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (5)
1. one kind has the frangible RFID electronic tag of anti-transfer function high frequency, it is characterized in that, comprise supporting substrate, the first glue-line, resin molding, etching antenna layer, the first insulation course, conducting wire layer, chip, the second glue-line and pattern bearing bed, this resin molding is between supporting substrate and etching antenna layer, this first glue-line between resin molding and supporting substrate, this etching antenna layer for Copper Foil or aluminium foil through the etch process moulding; This conducting wire layer consists of the High Frequency Of Recombination antenna of frangible RFID electronic tag with this etching antenna layer, and this conducting wire layer is realized the wire jumper conducting on etching antenna layer, and this first insulation course arranges between this conducting wire layer and the etching antenna layer; This chip links to each other with the etching antenna layer, and this etching antenna layer, conducting wire layer, the first insulation course and chip consist of the core material assembly, and this pattern bearing bed is bonded in the opposite side of whole core material assembly by the second glue-line.
2. as claimed in claim 1 have a frangible RFID electronic tag of anti-transfer function high frequency, it is characterized in that, this frangible RFID electronic tag also comprises the second insulation course, and this second insulation course is arranged between conducting wire layer and the second glue-line.
3. as claimed in claim 1 have a frangible RFID electronic tag of anti-transfer function high frequency, it is characterized in that, this frangible RFID electronic tag also comprises conductive adhesive layer, and this conductive adhesive layer is arranged between chip and the second glue-line.
4. as claimed in claim 1 have a frangible RFID electronic tag of anti-transfer function high frequency, it is characterized in that, the material of this pattern bearing bed is fragile paper, art paper or PET film, and the outside surface of this pattern bearing bed also silk-screen has had the ink lay that indicates anti-fake effect.
5. as claimed in claim 1 have a frangible RFID electronic tag of anti-transfer function high frequency, it is characterized in that, the etching accuracy tolerance of circuit is at ± 0.02mm on this etching antenna layer, and minimum line is 0.1-0.25mm apart from live width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388179 CN202771461U (en) | 2012-08-07 | 2012-08-07 | High-frequency fragile RFID electronic tag with anti-transfer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388179 CN202771461U (en) | 2012-08-07 | 2012-08-07 | High-frequency fragile RFID electronic tag with anti-transfer function |
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| Publication Number | Publication Date |
|---|---|
| CN202771461U true CN202771461U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220388179 Expired - Lifetime CN202771461U (en) | 2012-08-07 | 2012-08-07 | High-frequency fragile RFID electronic tag with anti-transfer function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915461A (en) * | 2012-08-07 | 2013-02-06 | 厦门英诺尔电子科技股份有限公司 | High-frequency fragile radio frequency identification devices (RFID) electronic tag with anti-shifting function and method for producing tag |
| CN103903049A (en) * | 2014-01-24 | 2014-07-02 | 厦门英诺尔信息科技有限公司 | RFID flexible high-temperature-resistant and vulcanization-resistant special electronic tag |
| CN110676558A (en) * | 2019-11-04 | 2020-01-10 | 江苏科睿坦电子科技有限公司 | RFID local fragile tag antenna and production process thereof |
| CN111370845B (en) * | 2020-04-10 | 2024-02-27 | 江苏科睿坦电子科技有限公司 | Novel double-frequency fragile RFID tag antenna and production method thereof |
-
2012
- 2012-08-07 CN CN 201220388179 patent/CN202771461U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915461A (en) * | 2012-08-07 | 2013-02-06 | 厦门英诺尔电子科技股份有限公司 | High-frequency fragile radio frequency identification devices (RFID) electronic tag with anti-shifting function and method for producing tag |
| WO2014023099A1 (en) * | 2012-08-07 | 2014-02-13 | 厦门英诺尔电子科技股份有限公司 | High-frequency fragile rfid electronic tag with anti-transfer function and preparation method therefor |
| CN102915461B (en) * | 2012-08-07 | 2016-01-20 | 厦门英诺尔电子科技股份有限公司 | There is frangible RFID of anti-transfer function high frequency and preparation method thereof |
| CN103903049A (en) * | 2014-01-24 | 2014-07-02 | 厦门英诺尔信息科技有限公司 | RFID flexible high-temperature-resistant and vulcanization-resistant special electronic tag |
| CN110676558A (en) * | 2019-11-04 | 2020-01-10 | 江苏科睿坦电子科技有限公司 | RFID local fragile tag antenna and production process thereof |
| CN110676558B (en) * | 2019-11-04 | 2023-08-29 | 江苏科睿坦电子科技有限公司 | RFID local fragile tag antenna and production process thereof |
| CN111370845B (en) * | 2020-04-10 | 2024-02-27 | 江苏科睿坦电子科技有限公司 | Novel double-frequency fragile RFID tag antenna and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |