CN201222535Y - Small-scale electronic label antenna and electronic label - Google Patents
Small-scale electronic label antenna and electronic label Download PDFInfo
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- CN201222535Y CN201222535Y CNU200820093845XU CN200820093845U CN201222535Y CN 201222535 Y CN201222535 Y CN 201222535Y CN U200820093845X U CNU200820093845X U CN U200820093845XU CN 200820093845 U CN200820093845 U CN 200820093845U CN 201222535 Y CN201222535 Y CN 201222535Y
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Abstract
The utility model relates to a small-sized electronic tag antenna, which comprises a substrate, a first printed coil which adopts conductive printing ink which is printed on the upper surface of the substrate, an insulating layer which is covered on the first printed coil, a second printed coil which adopts the conductive printing ink which is printed on the upper surface of the insulating layer and is connected with the first printed coil in series, and two terminals which are printed in the middle portion of the substrate or other suitable places and are used to connect a false proof IC chip, wherein the two terminals are respectively connected with an initial end of the first printed coil and the terminal end of the second printed coil. The small-sized electronic tag antenna adopts a plurality of printed coils which are connected in series and are arranged on the substrate in a lamination mode, the small-sized electronic tag antenna is realized through an isolation mode between layers, automation production is easily realized, and the cost is low. The volume of the antenna and the tag is small, the use is convenient, the printed coils of the antenna are arranged on the fragile substrate in the lamination mode, when the substrate is damaged, the coils and circuits are damaged simultaneously, false proof tags avoid possible illegal repeat use, and the safety and secrecy performance are good.
Description
Technical field
The utility model belongs to the anti-counterfeiting electronic tag technical field, particularly a kind of small-size electronic tag antenna and small-size electronic tag.
Background technology
Electronic tag is used widely in the false proof field of electronic article, but along with commodity constantly develop to small-sized, microminiaturized, in a lot of use occasions, require the size of electronic tag more and more littler, to satisfy the demand that makes things convenient for pasting electronic label on any commodity and any position on any commodity.
At present, electronic tag adopts wire winding, etch process and three kinds of manufacturing process of typography to produce more.Preceding two sides kind technology is difficult to realize false proof desired tamper function, owing to electronic tag itself can be reused, thereby loses false proof ability.In addition, the electronic label antenna that these two kinds of technologies are produced and the price of label product are very expensive, thereby have limited its extensive use.
Consider that from tamper performance and cost aspect above-mentioned typography is that the ideal of making false proof and low-cost electronic antenna and label is selected.As, the disclosed scheme of Chinese patent " non-contact electronic anti-false identification label " (patent No. ZL99110297.5), its wire loop or a part of circuit wherein are to be to print on the substrate of base material to form in fragile paper by electrically conductive ink, and the two ends of the coil circuit on above-mentioned fragile paper substrate connect one to have specific cryptographic algorithm and have the IC integrated circuit of specific cryptosystem.This anti-fake label forms coil by mode of printing on paper substrate, coil is together damaged when paper substrates is damaged, and makes anti-counterfeiting label avoid possible repeated use.
But adopt the fertile electronic label antenna of existing typography usually, its live width minimum is about 0.3mm, the wire spacing minimum is 0.3mm, if surpass this live width and distance between centers of tracks lower range, typography is difficult to realize, and percent defective is very high, thereby manufacturing cost is greatly increased, and has therefore lost practicality.As, press 0.3mm live width, 0.3mm wire spacing, the minimum feature size of the electronic tag that satisfies iso standard 13.56MHz centre frequency by the typography manufacturing is 40mm, when label sizes is further dwindled, owing to do not have the antenna of enough enough number of turns of spatial arrangements, thereby it is many to make frequency tend to exceed our desired scope (being centre frequency 13.56MHz).
Summary of the invention
For overcoming the above-mentioned defective that existing Antiforge electronic label antenna technology exists, the utility model provides a kind of small-size electronic tag antenna, and based on the small-size electronic tag of this antenna.The utility model adopts printed coil stacked setting on substrate of a plurality of series connection, and make the small size label antenna in the zone isolation mode, be convenient to realize automated production, production cost is low, antenna and label volume are little, easy to use, can satisfy the market demand of small size Antiforge electronic label ideally.
Small-size electronic tag antenna of the present utility model comprises:
A substrate;
First printed coil, it adopts electrically conductive ink to be printed in described substrate upper surface;
Insulating barrier, it is covered in above described first printed coil;
Second printed coil, it adopts electrically conductive ink to be printed in described insulating barrier upper surface, and connects with described first printed coil; And,
Two terminals, described two terminals are printed in substrate middle part or other appropriate location, are used to connect false proof IC chip; Described two terminals connect the top of first printed coil and the end of second printed coil respectively.
Wherein, the width of the line of described first, second printed coil is 0.2-0.7mm, and wire spacing is 0.3-1.0mm; The thickness of described insulating barrier is 4-35 μ m.
The helix of described second printed coil is positioned at the top, gap of the helix of first printed coil below the insulating barrier, to reduce the distributed capacitance between two printed coils.
Described insulating barrier can be annular, and its outer edge is provided with notch part, and the end of the top of described second printed coil and first printed coil is connected by printing in described notch part.
A kind of small-size electronic tag based on above-mentioned antenna comprises:
A substrate;
First printed coil, it adopts electrically conductive ink to be printed in described substrate upper surface;
Insulating barrier, it is covered in above described first printed coil;
Second printed coil, it adopts electrically conductive ink to be printed in described insulating barrier upper surface, and connects with described first printed coil;
Two terminals, described two terminals are printed in the substrate middle part, and connect the top of first printed coil and the end of second printed coil respectively;
A false proof IC chip, described false proof IC die attach be in described substrate middle part, and be connected to described two terminals; And,
The protection sheet that hot-fusible pressure-sensitive adhesive and glue are outer, described pressure sensitive adhesive and protection sheet are positioned at second printed coil and false proof IC chip outer surface successively.
The utility model small size label antenna adopts printed coil stacked setting on substrate of a plurality of series connection, and realize in the zone isolation mode, thereby has solved the printed antenna problem that the small size label does not have the enough numbers of turn of enough spatial arrangements.Thereby adjust the relative position of upper and lower layer printed coil and zone isolation layer thickness and control distributed capacitance between them, further adjust the number of turn and the distance between centers of tracks of the printed coil of antenna again, thereby design the undersized label antenna that conforms to frequency requirement very easily, filled up the blank in this field.
Antenna of the present utility model and label volume are little, easy to use, can satisfy the market demand of small size Antiforge electronic label ideally.As, the electronic tag that with the centre frequency is 13.56MHz is an example, the minimum feature size of conventional labels is 40mm, the characteristic size of the utility model label (characteristic size is meant the minor face length of the diameter and the rectangle electronic tag of circular electronic tag) is 20mm, has dwindled half than conventional labels minimum feature size.
This false proof antenna and label can adopt easy broken base wafer, the printed coil of antenna is stacked setting on easy broken base wafer, printed coil, circuit etc. are together damaged when easy broken base wafer is damaged, and make antifalsification label avoid possible illegally re-using, safety, good confidentiality.Its manufacture craft is simpler, is convenient to realize automated production, and production cost is low.
Description of drawings
Fig. 1 is the vertical view of a small-size electronic tag antenna embodiment of the present utility model;
Fig. 2 a, b, c, d are the exploded view of antenna shown in Figure 1;
Fig. 3 is the exploded view of the small-size electronic tag of employing antenna shown in Figure 1;
Fig. 4 does not adhere to the vertical view of pressure sensitive adhesive and protection sheet state for electronic tag shown in Figure 3.
Embodiment
Describe in detail below in conjunction with the embodiment accompanying drawing.
With reference to Fig. 1,2a-d, the illustrated embodiment small-size electronic tag antenna comprises: a substrate 1, and described substrate 1 can adopt base materials such as the scraps of paper or mylar; First printed coil 2, it adopts electrically conductive ink to be printed in described substrate 1 upper surface; Insulating barrier 3, it is covered in above described first printed coil 2; Second printed coil 4, it adopts electrically conductive ink to be printed in described insulating barrier 3 upper surfaces, and connects with described first printed coil 2; And, two terminals 5, described two terminals 5 are printed in substrate 1 middle part, are used to connect false proof IC chip; Described two terminals 5 connect the top 21 of first printed coil 2 and the end 42 of second printed coil 4 respectively.
Wherein, the width of the line of first, second printed coil is 0.2-0.7mm, and wire spacing is 0.3-1.0mm; The thickness of insulating barrier is 4-35 μ m.
Above-mentioned insulating barrier 3 is an annular, and its outer edge is provided with notch part 32, the top 41 of second printed coil 4 is connected to the end 22 of first printed coil 2 in described notch part 32 by mode of printing.
The helix of above-mentioned second printed coil 4 is positioned at the top, gap of the helix of first printed coil 2 below the insulating barrier 3, and the distributed capacitance that can reduce like this between the two-layer printed coil reaches because the performance difference that this electric capacity instability causes meets design requirement.
Above-mentioned antenna, can also between the described insulating barrier 3 and second printed coil 4, increase by the 3rd printed coil (not shown), the 3rd track is printed in above the described insulating barrier 3, cover another insulating barrier between the 3rd printed coil and second printed coil 4 above it, the 3rd printed coil is series between first printed coil and second printed coil.
With reference to Fig. 3,4, this embodiment is the small-size electronic tag based on above-mentioned antenna, comprising: a substrate 1; First printed coil 2, it adopts electrically conductive ink to be printed in described substrate 1 upper surface; Insulating barrier 3, it is covered in above described first printed coil 2; Second printed coil 4, it adopts electrically conductive ink to be printed in described insulating barrier 3 upper surfaces, and connects with described first printed coil 2; Two terminals 5, described two terminals 5 are printed in substrate 1 middle part, and connect the top 21 of first printed coil 2 and the end 42 of second printed coil 4 respectively; A false proof IC chip 6, described false proof IC chip 6 is attached to described substrate 1 middle part, and is connected to described two terminals 5; And, pressure sensitive adhesive 7 and protection sheet 8, pressure sensitive adhesive 7 and protection sheet 8 are positioned at the outer surface of second printed coil 4 and false proof IC chip 6.
Wherein, trademark etc. can be printed in substrate 1 surface.
As a automobile commodity Antiforge electronic label of the present utility model, its IC chip 6 is NXP MifareUltralight, capacity 512bit, has the chip of unique coding (UID), adds with the DES algorithm and do electronic signature.Adopt the antenna of said structure, IC built-in chip type electric capacity is 16.9pF, the centre frequency of the antenna shunt circuit of this electric capacity and said structure is 13.56MHz, first printed coil 2 of corresponding above-mentioned antenna is 5 circles, second printed coil 4 is 5 circles, the width of the line of each printed coil is 0.4mm, and wire spacing is 0.8mm; The thickness of insulating barrier 3 is 15 μ m; The characteristic size of this electronic tag is 20mm, is that the minimum feature size of the traditional product of 13.56MHz has been dwindled half than centre frequency.
Above-mentioned small-size electronic tag, can also between the described insulating barrier 3 and second printed coil 4, increase by the 3rd printed coil (not shown), the 3rd track is printed in above the described insulating barrier 3, cover another insulating barrier between the 3rd printed coil and second printed coil 4 above it, the 3rd printed coil is series between first printed coil and second printed coil.
Above-mentioned small-size electronic tag antenna manufacture method is as follows:
The electrically conductive ink that prints described printed coil is that the carbon slurry is starched the mixture of forming with silver slurry or copper, can adopt commercially available multiple electrically conductive ink, as: 427 type electrically conductive inks of Acheson company production etc.Insulating barrier adopts epoxy resin printing ink etc.
Above-mentioned insulating barrier 3 can be annular, and its outer edge is provided with notch part 32, the top 41 of second printed coil 4 is connected to the end 22 of first printed coil 2 in described notch part 32 by mode of printing.The pair of terminal 5 that is used to connect the IC chip is printed on substrate 1 middle part that does not cover insulating barrier 3, and by mode of printing the end 42 of second printed coil 4, the top 21 of first printed coil 2 is connected respectively with the pair of terminal 5 at described substrate middle part.Above-mentioned pair of terminal 5 is printing moulding when printing second printed coil 4, and they can print moulding separately, also can print moulding simultaneously with first printed coil 2.Above-mentioned pair of terminal 5 also can be printed on other suitable position on the substrate, as printed coil outside etc.
On step 2 basis of above-mentioned method for manufacturing antenna, a false proof IC chip 6 is attached to described substrate 1 middle part, and is connected to described two terminals 5; Then, adhere to pressure sensitive adhesive 7 and protection sheet 8, promptly constitute a kind of small-size electronic tag at the appearance table of second printed coil 4 and false proof IC chip 6.
Because printed coil of the present utility model adopts stacked setting, the number of turn of printed coil can increase many than the number of turn of traditional antenna, is 10 circles as two printed coil totals number of turns of above-mentioned example.
Claims (10)
1, a kind of small-size electronic tag antenna comprises a substrate, it is characterized in that further comprising:
First printed coil, it adopts electrically conductive ink to be printed in described substrate upper surface;
Insulating barrier, it is covered in above described first printed coil;
Second printed coil, it adopts electrically conductive ink to be printed in described insulating barrier upper surface, and connects with described first printed coil; And,
Two terminals, described two terminals are printed in substrate middle part or other appropriate location, are used to connect false proof IC chip; Described two terminals connect the top of first printed coil and the end of second printed coil respectively.
2, small-size electronic tag antenna as claimed in claim 1 is characterized in that: the width of the line of described first, second printed coil is 0.2-0.7mm, and wire spacing is 0.3-1.0mm; The thickness of described insulating barrier is 4-35 μ m.
3, as the small-size electronic tag antenna of claim 1 or 2, it is characterized in that: the helix of described second printed coil is positioned at the top, gap of the helix of first printed coil below the insulating barrier, to reduce the distributed capacitance between two printed coils.
4, as the small-size electronic tag antenna of claim 1 or 2, it is characterized in that: described insulating barrier is annular, and its outer edge is provided with notch part, and the end of the top of described second printed coil and first printed coil is connected by printing in described notch part.
5, as the small-size electronic tag antenna of claim 1 or 2, it is characterized in that: described insulating barrier is annular, and its outer edge is provided with notch part, and the end of the top of described second printed coil and first printed coil is connected by printing in described notch part; The helix of described second printed coil is positioned at the top, gap of the helix of first printed coil below the insulating barrier, to reduce the distributed capacitance between two printed coils.
6, as the small-size electronic tag antenna of claim 1 or 2, it is characterized in that: between the described insulating barrier and second printed coil, on described insulating barrier, further be printed with the 3rd printed coil, cover another insulating barrier between the 3rd printed coil and second printed coil above it, the 3rd printed coil is series between first printed coil and second printed coil.
7, as the small-size electronic tag antenna of claim 1 or 2, it is characterized in that: described substrate is the scraps of paper or mylar.
8, a kind of small-size electronic tag comprises a substrate, it is characterized in that further comprising:
First printed coil, it adopts electrically conductive ink to be printed in described substrate upper surface;
Insulating barrier, it is covered in above described first printed coil;
Second printed coil, it adopts electrically conductive ink to be printed in described insulating barrier upper surface, and connects with described first printed coil;
Two terminals, described two terminals are printed in the substrate middle part, and connect the top of first printed coil and the end of second printed coil respectively;
A false proof IC chip, described false proof IC die attach be in described substrate middle part, and be connected to described two terminals; And,
The protection sheet that hot-fusible pressure-sensitive adhesive and glue are outer, described pressure sensitive adhesive and protection sheet are positioned at second printed coil and false proof IC chip outer surface successively.
9, small-size electronic tag as claimed in claim 8 is characterized in that: the width of the line of described first, second printed coil is 0.2-0.7mm, and wire spacing is 0.3-1.0mm; The thickness of described insulating barrier is 4-35 μ m.
10, as the small-size electronic tag of claim 8 or 9, it is characterized in that: described insulating barrier is annular, and its outer edge is provided with notch part, and the end of the top of described second printed coil and first printed coil is connected by printing in described notch part; The helix of described second printed coil is positioned at the top, gap of the helix of first printed coil below the insulating barrier, to reduce the distributed capacitance between two printed coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820093845XU CN201222535Y (en) | 2008-04-30 | 2008-04-30 | Small-scale electronic label antenna and electronic label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820093845XU CN201222535Y (en) | 2008-04-30 | 2008-04-30 | Small-scale electronic label antenna and electronic label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222535Y true CN201222535Y (en) | 2009-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820093845XU Expired - Lifetime CN201222535Y (en) | 2008-04-30 | 2008-04-30 | Small-scale electronic label antenna and electronic label |
Country Status (1)
| Country | Link |
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| CN (1) | CN201222535Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572336B (en) * | 2008-04-30 | 2013-04-17 | 深圳市华阳微电子有限公司 | Small-size electronic tag antenna and manufacture method thereof |
| CN104868251A (en) * | 2014-02-20 | 2015-08-26 | 联想(北京)有限公司 | Near field communication (NFC) antenna |
| US20150349578A1 (en) * | 2014-05-30 | 2015-12-03 | Corning Incorporated | Wireless charging device for an electronic device |
| CN114955224A (en) * | 2022-07-19 | 2022-08-30 | 贵州百世佳包装股份有限公司 | Anti-fake bottle cap structure |
-
2008
- 2008-04-30 CN CNU200820093845XU patent/CN201222535Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572336B (en) * | 2008-04-30 | 2013-04-17 | 深圳市华阳微电子有限公司 | Small-size electronic tag antenna and manufacture method thereof |
| CN104868251A (en) * | 2014-02-20 | 2015-08-26 | 联想(北京)有限公司 | Near field communication (NFC) antenna |
| US20150349578A1 (en) * | 2014-05-30 | 2015-12-03 | Corning Incorporated | Wireless charging device for an electronic device |
| CN106663524A (en) * | 2014-05-30 | 2017-05-10 | 康宁股份有限公司 | Wireless charging device for an electronic device |
| US10002709B2 (en) * | 2014-05-30 | 2018-06-19 | Corning Incorporated | Wireless charging device for an electronic device |
| US10672556B2 (en) | 2014-05-30 | 2020-06-02 | Corning Incorporated | Wireless charging device for an electronic device |
| CN106663524B (en) * | 2014-05-30 | 2020-09-08 | 康宁股份有限公司 | Wireless charging device for electronic device |
| CN114955224A (en) * | 2022-07-19 | 2022-08-30 | 贵州百世佳包装股份有限公司 | Anti-fake bottle cap structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HYAN MICROELECTRONICS CO., LTD. Free format text: FORMER NAME: HUAYANG MICROELECTRONICS CO., LTD., SHENZHEN |
|
| CP03 | Change of name, title or address |
Address after: 518108 Guangdong city of Shenzhen province Baoan District Shiyan street community on AI Qun Lu with rich Industrial Zone No. 1-2 building three or four floor Patentee after: Shenzhen Hyan Microelectronics Co., Ltd. Address before: 518110, Shenzhen, Guangdong province Baoan District Guanlan street, Matsumoto Road, Grain Group Industrial Park, plant No. four, building ten Patentee before: Shenzhen Huayang Microelectronics Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |