CN104636788A - RFID (radio frequency identification) tag - Google Patents
RFID (radio frequency identification) tag Download PDFInfo
- Publication number
- CN104636788A CN104636788A CN201310554529.3A CN201310554529A CN104636788A CN 104636788 A CN104636788 A CN 104636788A CN 201310554529 A CN201310554529 A CN 201310554529A CN 104636788 A CN104636788 A CN 104636788A
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- rfid tag
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- wire antennas
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Abstract
An RFID (radio frequency identification) tag comprises a chip, a circuit antenna connected with the chip and a substrate carrying the chip and the circuit antenna. The substrate is provided with at least one scribing portions. On the rear view of the substrate, at least one part of the circuit antenna overlaps the scribing portions.
Description
Technical field
The present invention relates to a kind of identification label, particularly relate to a kind of RFID tag about can wirelessly transmit and receive signal.
Background technology
In recent years, can wireless transmission and receive the wireless chip device of signal and obtained and develop widely.This can wireless transmission and receive the chip of signal and be often referred to as RFID tag RFID (Radio Frequency Identification Tag), maybe can be called RF label, RF chip, wireless identification tag, wireless processor, wireless internal memory, IC label or electronic tag etc.RFID tag can be used to because of various object indicate various different article, using as the multiple use such as identification, certification or tracking.
In the applications such as parking payment management, highway charging management and gate inhibition's monitor management, the use of RFID tag is quite general.Because itself must not configure battery, body is small and exquisite frivolous, and attaching method is simple and quick, and the applicability therefore on automobile is fairly good.But the RFID tag of prior art still has the problem in many uses.For example, the automobile-used type RFID tag of prior art just attaches on the windshield or on car light simply, exists always and is easily stolen and the problem usurped by intentionally personage.Therefore, still need constantly to improve RFID tag structure, solve the problem as much as possible, to reach the object improved and use.
Therefore, the invention provides a kind of RFID tag, as solution of the above problems.
Summary of the invention
Easily be stolen for above-mentioned RFID tag structure and the problem usurped, the invention provides and a kind of there is the RFID tag preventing from re-using function.
According to an aspect of the present invention, a kind of RFID tag is provided, comprises chip; Connect the Wire Antennas of chip; Base material, this base material has the front of carries chips and Wire Antennas, and this base material forms at least one delineation portion, and time viewed from the back side of this base material, delineation portion is overlapping at least partially with Wire Antennas.
According to an aspect of the present invention, provide a kind of RFID tag, when this RFID tag is attached at object, presses this RFID tag and base material can be made along the fracture of delineation portion, but do not make Wire Antennas lose efficacy.
Further, according to an aspect of the present invention, provide a kind of RFID tag, when this RFID tag being peeled off from object, the rupture surface formed along delineation portion of base material can destroy Wire Antennas, thus RFID tag was lost efficacy.
Preferably, according to an aspect of the present invention, provide a kind of RFID tag, wherein the material of Wire Antennas is copper.
Further, according to an aspect of the present invention, provide a kind of RFID tag, wherein the thickness range of Wire Antennas is between 10 ~ 30 μm.
Preferably, according to an aspect of the present invention, provide a kind of RFID tag, wherein the material of base material is glass.
Further, according to an aspect of the present invention, provide a kind of RFID tag, wherein the thickness range of base material is between 0.45 ~ 1.00mm.
Preferably, according to an aspect of the present invention, provide a kind of RFID tag, wherein this delineation portion is formed on the back side of this base material.
Further, according to an aspect of the present invention, provide a kind of RFID tag, more comprise the diaphragm be attached on the back side of base material, for hiding worn-out delineation portion.
According to an aspect of the present invention, the present invention also provides a kind of using method of RFID tag, comprises following steps: a) prepare any one RFID tag as above; B) this RFID tag is attached at object; C) this RFID tag is pressed to make this base material along the fracture of delineation portion but not make Wire Antennas lose efficacy.
According to many aspects of the present invention, any one RFID tag as above is also used for a kind of management system based on REID by the present invention.
The present invention also comprises other each side and various embodiment, is exposed in detail in following embodiment to solve other problems and to merge above-mentioned each side.
Accompanying drawing explanation
The present invention is introduced below in conjunction with accompanying drawing.
Fig. 1 is shown as the side schematic view of RFID tag of the present invention.
Fig. 2 is shown as RFID tag STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 3 is shown as the schematic rear view of RFID tag of the present invention.
Fig. 4 is shown as the schematic diagram that RFID tag of the present invention is attached at external object.
Fig. 5 is shown as the schematic diagram that RFID tag of the present invention removes from external object.
Element numbers explanation
100 RFID tag
101 base materials
101a front
The 101b back side
102 delineation portions
103 Wire Antennas
105 overlayers
105a adhesive surface
107 release films
109 chips
401 external object
402 rupture surface
Embodiment
To demonstrate preferred embodiment of the present invention below with reference to institute's accompanying drawings.In accompanying drawing, similar component all adopts identical element numbers.Should note for clear expression the present invention, each assembly in accompanying drawing not according to the scale of material object, and for avoiding fuzzy content of the present invention, below illustrating and all omitting known spare part, associated materials and correlation processing technique thereof.
Fig. 1 is the side schematic view of RFID tag of the present invention.Fig. 2 is the structural representation of RFID tag of the present invention.As shown in Figures 1 and 2, according to an embodiment, RFID tag 100 comprises base material 101, Wire Antennas 103, chip 109, overlayer 105 and release film 107.In the present embodiment, the material of base material 101 is optical glass, and thickness range is at 0.45 ~ 1.00mm.In other embodiments, base material 101 can made by any frangible material, such as glass, pottery or any material realizing function of the present invention, and its thickness can with changes in material properties.For realizing the function preventing from re-using, base material 101 comprises at least one the delineation portion 102 be formed on this base material 101.Embodiment as shown in Figure 2, delineation portion 102 is formed at the back side 101b of base material, and for other embodiments, delineation portion also can be formed at front 101a or other positions of base material.In the present embodiment, make after overlayer 105 and release film 107 attach to delineation portion 102, this paper is follow-up will be described in detail.
As shown in Figure 2, Wire Antennas 103 is made on the front 101a of base material 101.In the present embodiment, the material of Wire Antennas 103 is preferably copper, and thickness range is between 10 ~ 30 μm.For other embodiments, Wire Antennas 103 also can be any other suitable material, as elargol etc.Elargol is electric conductivity solid, is take synthetic resin as the compound substance that adhesive, silver powder are prepared for filling material.In use for some time, particularly long-term under solar exposure, adhesive easily produces the aging distribution causing silver powder in adhesive and loses homogeneity elargol, and then loses conductive effect gradually.Therefore, the embodiment of elargol is used to be applicable to RFID tag operating period short purposes.Copper does not then have the problem of above-mentioned elargol, and the operating period can reach the several years more than.The selection of the material of Wire Antennas 103 is except considering electric conductivity and except the operating period, also will noting the feasibility of its manufacturing process.For realizing preventing from re-using function, base material 101 of the present invention is required to be frangible material, so in manufacturing process, avoids the step of weight when will form Wire Antennas 103 on base material 101 as much as possible.Therefore, the manufacturing process that copper sheet and base material 101 cohere through hot pressing by the glue generally used is probably inapplicable here.For realizing the present invention, should consider that the manufacturing process without weight circuit board using sputter manufacturing process or use wet film, printing and baking etc. known makes conductive pattern to form Wire Antennas 103.
With reference to figure 2, base material 101 more comprises chip 109 apart from Wire Antennas 103 is outer.In the present embodiment, chip 109 has preferably completed the chip of encapsulation.The structure of related chips 109 and method for making can refer to TaiWan, China number of patent application 97120461, and its content can be and provides reference herein.It should be noted that, embodiments of the invention are also applicable to the chip of other structures.Suitable known technology can be used, such as scolding tin or other suitable methods, chip 109 to be fixed on base material 103 and to be connected with Wire Antennas 103 electricity.
Same reference diagram 2, completes Wire Antennas 103 and is fixed on after on base material 101 by chip 109, then covers on base material 101 overlayer 105 and release film 107 with coated Wire Antennas 103 and chip 109.Overlayer 105 can be single or multiple lift, and its main material can be pi, polyethylene terephthalate or other suitable materials and various combination.Overlayer 105, except protection circuit antenna 103 and chip 109, also helps RFID tag 100 to produce suitable curvature.Overlayer 105 can be coated with adhesive agent further to make it have adhesive surface 105a, for providing suitable stickiness to stick together in use on the surface for attaching object.The applicable material of adhesive agent is determined according to for attaching object, can be glue or acryl glue, hot melt adhesive, the AB glue etc. of rubber-like.Release film 107 for temporarily isolating adhesive surface 105a and extraneous contact so that the transport of product and operation.Release film 107 can be the general PET film scribbling mould release.Mould release can be silicon mould release or non-silicon mould release etc.
With reference to figure 3, after overlayer 105 and release film 107 cover base material 101, by finished product roll-over to carry out the making in delineation portion 102.For the rupture surface making base material 101 be formed in time rupturing in delineation portion 102 is easily pressed onto Wire Antennas 103, the position in delineation portion 102 is preferably placed at directly over the circuit distributed areas of Wire Antennas 103.Time viewed from the back side 101b of base material 101, the delineation portion 102 of some by covering Wire Antennas 103 at least partially.In other words, time viewed from the back side 101b of base material 101, overlapping at least partially by with Wire Antennas 103 of some delineation portion 102.Fig. 3 shows two linear graduation portions 102, and in other embodiments, delineation portion 102 can be more than one or two.The pattern in delineation portion 102 is not limited to straight line, also can be curve or other any suitable pattern.The formation instrument in delineation portion 102 is determined according to the material of base material 101.When material is glass, diamond cutter, wolfram steel flywheel knife can be used.Material is that pottery then can use radium-shine cutter.The degree of depth in delineation portion 102 is determined according to the character of base material 101, the selection principle of the degree of depth is: when general user presses RFID tag 100 to make it be attached at object, the base material 101 of RFID tag 100 can rupture along delineation portion 102, more preferably can not destroy the structure of Wire Antennas 103.In some embodiments of the invention, delineation portion 102 may destroy the structure of Wire Antennas 103 after rupturing slightly, but only otherwise cause Wire Antennas 103 therefore to lose efficacy, also in scope of the presently claimed invention.
Fig. 4 is the schematic diagram that RFID tag 100 is attached at external object 401.As shown in the figure, after release film 107 first removes by user, then the adhesive surface 105a of RFID tag 100 is attached on the surface of external object 401.Good link is formed with the surface of external object 401 for making RFID tag 100, user can exert a force and press RFID tag 100, now the base material 101 of RFID tag 100 can rupture along delineation portion 102 because of stressed, and then form rupture surface 402, if now base material 101 there is no fracture, user can exert a force pressing again to make it rupture.May have sound when base material 101 ruptures, user can judge whether to rupture by this.Though should notice that now base material 101 ruptures, seriously do not destroy the structure of Wire Antennas 103 and make it lose efficacy, so RFID tag 100 still can normal operation.
Fig. 5 is shown as the schematic diagram that RFID tag 100 removes from external object 401 by user.As shown in the figure, when user's force makes RFID tag 100 peel off from external object 401, the rupture surface 402 that base material 101 is formed in time rupturing in delineation portion 102 can destroy Wire Antennas 103, to realize the inefficacy of RFID tag 100.For ensureing that this peeling action causes Wire Antennas 103 to lose efficacy, can suitably adjust Wire Antennas 103, making it have suitable thickness.Wire Antennas 103 thickness is too large, though there is the structure destroying Wire Antennas 103 may not reach the degree of inefficacy when peeling action performs.Wire Antennas 103 thickness is too little, though can destroy the structure of Wire Antennas 103 to reach the degree of inefficacy when peeling action performs, the Wire Antennas 103 that thickness is too little may cause its reliability decrease when normal use.In addition, the method that another kind makes this peeling action cause Wire Antennas 103 to lose efficacy is: strengthen adhesive surface 105a to the adhesion of external object 401.The method can impel user need apply larger power to peel off RFID tag 100, so significantly can improve the ability that rupture surface 402 destroys Wire Antennas 103.
As Figure 1-4, the RFID tag 100 of the present embodiment comprises base material 101, Wire Antennas 103, chip 109, overlayer 105 and release film 107.In other embodiments, RFID tag of the present invention also can comprise other assemblies.For example, can comprise diaphragm (not shown), this diaphragm is attached on the back side 102 of base material 101, for hiding worn-out delineation portion 102.The material of this diaphragm can be toughness high printable material, such as PET film.
RFID tag of the present invention is applicable to a kind of management system based on REID.This management system can comprise RFID tag 100, rfid interrogator and signal conditioning package.Rfid interrogator is through the customizing messages in radio frequency signal reading rfid tags 100 and after decoding, can deliver to signal conditioning package to make further application and administration.This management system can be applicable to various parking payment management, highway charging management and vehicle discrepancy monitor management etc.
Should notice that Fig. 1 to Fig. 5 only illustrates and illustrate the preferred embodiment of RFID tag of the present invention, the various embodiment that the present invention is still contained in summary of the invention to be stated clearly and other embodiments.And the various embodiments described above are explanation the present invention and are not used to limit the present invention.Under all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be included in following claim.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a RFID tag, is characterized in that, comprises:
Chip;
Wire Antennas, connects described chip;
Base material, have the front of the described chip of carrying and described Wire Antennas, described base material forms at least one delineation portion, and time viewed from the back side of described base material, described delineation portion is overlapping at least partially with described Wire Antennas.
2. RFID tag as claimed in claim 1, is characterized in that, when described RFID tag is attached at object, presses described RFID tag and described base material can be made to rupture along described delineation portion, but do not make described Wire Antennas lose efficacy.
3. RFID tag as claimed in claim 2, it is characterized in that, when described RFID tag being peeled off from described object when exerting a force, the rupture surface formed along described delineation portion of described base material can destroy described Wire Antennas, loses efficacy to make described RFID tag.
4. RFID tag as claimed in claim 1, it is characterized in that, the material of described Wire Antennas is copper.
5. RFID tag as claimed in claim 4, it is characterized in that, the thickness range of described Wire Antennas is between 10 ~ 30 μm.
6. RFID tag as claimed in claim 1, it is characterized in that, the material of described base material is glass.
7. RFID tag as claimed in claim 1, it is characterized in that, the thickness range of described base material is between 0.45 ~ 1.00mm.
8. RFID tag as claimed in claim 1, it is characterized in that, described delineation portion is formed on the described back side of described base material.
9. RFID tag as claimed in claim 1, is characterized in that, more comprises the diaphragm be attached on the described back side of described base material and pastes, in order to hide worn-out described delineation portion.
10. based on a management system for REID, it is characterized in that, comprise the RFID tag as described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554529.3A CN104636788A (en) | 2013-11-07 | 2013-11-07 | RFID (radio frequency identification) tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554529.3A CN104636788A (en) | 2013-11-07 | 2013-11-07 | RFID (radio frequency identification) tag |
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| CN104636788A true CN104636788A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310554529.3A Pending CN104636788A (en) | 2013-11-07 | 2013-11-07 | RFID (radio frequency identification) tag |
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Cited By (6)
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| CN106548228A (en) * | 2016-10-18 | 2017-03-29 | 温州沸鼎智能科技有限公司 | A kind of production technology of anti-tear-off RFID tag |
| CN108110402A (en) * | 2016-11-25 | 2018-06-01 | 康菲德斯合股公司 | RFID transponders |
| WO2018098645A1 (en) * | 2016-11-30 | 2018-06-07 | 温州沸鼎智能科技有限公司 | Production process for anti-tear rfid tag |
| CN110739535A (en) * | 2018-07-18 | 2020-01-31 | 英飞凌科技股份有限公司 | Method and device for adjusting an antenna, carrier structure, method for producing a carrier structure and chip card |
| CN111079884A (en) * | 2018-10-19 | 2020-04-28 | 相丰科技股份有限公司 | Tire electronic tag |
| US11192055B2 (en) | 2017-08-30 | 2021-12-07 | Cummins Filtration Ip, Inc. | Interlock for genuine filter recognition |
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