CN214504449U - RFID label with anti-theft and anti-uncovering functions - Google Patents
RFID label with anti-theft and anti-uncovering functions Download PDFInfo
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- CN214504449U CN214504449U CN202121153616.4U CN202121153616U CN214504449U CN 214504449 U CN214504449 U CN 214504449U CN 202121153616 U CN202121153616 U CN 202121153616U CN 214504449 U CN214504449 U CN 214504449U
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Abstract
Have RFID label of preventing taking off function of guarding against theft. Relates to the technical field of RFID labels. The tag antenna comprises a substrate, a front metal antenna, a back metal antenna and two gap bridges, wherein the front metal antenna is arranged on the front surface of the substrate and comprises a metal coil, the back metal antenna is arranged on the back surface of the substrate and comprises a linear transmission line, one end of the transmission line is connected to the inside of the metal coil through one gap bridge, and the other end of the transmission line is connected to the outside of the metal coil through the other gap bridge; in the working process of the utility model, the bonding area of the chip is arranged externally, so that the bridge number can be reduced, and the processing difficulty and the production cost can be reduced; the detection line is arranged, and the detection line is subjected to fragile treatment, so that the anti-theft and anti-uncovering functions of the label are conveniently realized; the linear direction perpendicular to long edge direction of detection line that the transmission line belongs to controls the distance between the two moreover, avoids the unusual that the uneven hot pressure of production in-process leads to, can promote the etching precision of antenna production.
Description
Technical Field
The utility model relates to a RFID label technical field especially relates to a RFID label with function is prevented taking off in theftproof.
Background
Rfid (radio Frequency identification) technology, also called radio Frequency identification, is a communication technology that can identify a specific target and read and write related data through radio signals without establishing mechanical or optical contact between an identification system and the specific target.
At present, the electronic tags in the industry are mainly conventional RFID tags, can print and write codes and store and read information on the tags, but have no anti-theft and anti-uncovering functions; with the popularization and application of the RFID technology in various fields, the performance and the requirement of the electronic tag are higher and higher aiming at different application environments, and the requirement is provided for the anti-theft and anti-uncovering function of the tag.
The conventional RFID tag comprises a base material, a front metal antenna, a back metal antenna, a conductive adhesive and a chip, wherein the front metal antenna is attached to the upper portion of the base material, the conductive adhesive is located above the metal antenna and used for connecting the metal antenna and the chip, and the back antenna is attached to the lower portion of the base material.
The conventional RFID tag obtains energy by receiving electromagnetic waves to activate the tag to radiate the electromagnetic waves in an outward fixed direction, and radio frequency information transmission communication is carried out.
The existing RFID tags in the industry at present have no anti-theft and anti-uncovering functions, and the demand on the tags is higher and higher along with the popularization of the RFID tags, so that the tags are provided to have the anti-theft and anti-uncovering functions; therefore, it is a great trend to provide an RFID tag with anti-theft and anti-tamper functions to solve the above problems, improve the competitiveness of enterprise products, and reduce the cost of enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a convenient processing, satisfy operation requirement have the theftproof prevent taking off the RFID label of function.
The technical scheme of the utility model is that: the tag antenna comprises a substrate, a front metal antenna, a back metal antenna and two gap bridges, wherein the front metal antenna is arranged on the front surface of the substrate and comprises a metal coil, the back metal antenna is arranged on the back surface of the substrate and comprises a linear transmission line, one end of the transmission line is connected to the inside of the metal coil through one gap bridge, and the other end of the transmission line is connected to the outside of the metal coil through the other gap bridge;
the binding region of the chip is arranged on the outer side of the tag antenna;
the chip packaging structure also comprises a detection line and a fragile layer, wherein the detection line is arranged at the outer side of the chip binding area and is connected with the chip,
the frangible layer is located between the inspection line and the substrate,
and/or
The fragile layer is positioned between the front metal antenna and the substrate;
the linear direction of the transmission line is perpendicular to the long side direction of the detection line.
The length of tag antenna is 5 ~ 100mm, highly is 5 ~ 100mm, and tag antenna linewidth is: 0.2-5 mm, and the antenna pitch is 0.2-5 mm.
The distance between the binding area of the chip and the gap bridge positioned in the metal coil is more than 7 mm.
The length and the width of the binding area of the chip are both more than 1 mm.
The detection line is U-shaped.
In the working process of the utility model, the bonding area of the chip is arranged externally, so that the bridge number can be reduced, and the processing difficulty and the production cost can be reduced;
the detection line is arranged, and the detection line is subjected to fragile treatment, so that the anti-theft and anti-uncovering functions of the label are conveniently realized;
the linear direction perpendicular to long edge direction of detection line that the transmission line belongs to controls the distance between the two moreover, avoids the unusual that the uneven hot pressure of production in-process leads to, can promote the etching precision of antenna production.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the expanded structure of the present invention,
in the figure, 1 is a substrate, 2 is a front metal antenna, 3 is a back metal antenna, 4 is a bridge, 5 is a chip, 6 is a conductive adhesive, 7 is a bonding area, 8 is a detection line, and 9 is a fragile layer.
Detailed Description
The utility model discloses as shown in fig. 1-2, including tag antenna and chip 5, tag antenna includes substrate 1, front metal antenna 2, back metal antenna 3 and two gap bridges 4, front metal antenna 2 is established at substrate 1 front, including metal coil, back metal antenna 3 is established at substrate 1 back, includes a style of calligraphy transmission line, one end of transmission line is connected in metal coil's inside through one gap bridge 4, and the other end is connected in metal coil's outside through another gap bridge; the chips 5 are connected through the conductive adhesive 6;
the binding region 7 of the chip is arranged on the outer side of the tag antenna;
the detection line 8 is arranged outside the chip binding area 7, the detection line 8 is connected with the chip 5,
the frangible layer 9 is located between the inspection line 8 and the substrate 1,
and/or
The fragile layer 9 is positioned between the front metal antenna 2 and the substrate 1;
the linear direction of the transmission line is perpendicular to the long side direction of the detection line 8.
In the working process of the utility model, the bonding area of the chip is arranged externally, so that the bridge number can be reduced, and the processing difficulty and the production cost can be reduced;
the detection line is arranged, and the detection line is subjected to fragile treatment, so that the anti-theft and anti-uncovering functions of the label are conveniently realized;
the traditional gap bridge and the detection line are designed in the same horizontal direction, so that production abnormity can be caused by uneven production hot pressing caused by the proximity of the gap bridge and the binding area;
through setting up the long limit direction of the linear direction perpendicular to detection line at transmission line place, control the distance between the two moreover, the distance between bonding region 7 of chip and the gap bridge 4 that is located metal coil inside is > 7mm, avoids the unusual that the uneven hot-pressing leads to in process of production, can promote the etching precision of antenna production.
The length of tag antenna is 5 ~ 100mm, highly is 5 ~ 100mm, and tag antenna linewidth is: 0.2-5 mm, and the antenna pitch is 0.2-5 mm.
The length and width of the bonding region 7 of the chip are both greater than 1 mm.
The detection line 8 is U-shaped. Two ends of the detection line 8 are respectively connected with two pins of the chip, and the other two pins of the chip 5 are connected with two ends of the front metal antenna which are disconnected.
The detection line in the utility model adopts the detection loop structure design, and the length of the detection line under the design structure does not affect the performance and the reading distance of the main body of the label, so that the length of the detection line of the label can be set arbitrarily, and the universality is increased; the state monitoring of whether the detection line is torn or not is carried out, the label can record the state of the detection line, and the performance of the label main body cannot be influenced by the state of the detection line; so that the anti-theft monitoring function can be realized.
The utility model discloses a different theftproof of label is prevented taking off degree by the regional size, the position that add breakable layer. The label can be completely fragile, and the label is completely destroyed after being torn off, and has no performance; can realize that the appointed region is fragile, the back is torn to the label this moment, and the appointed region destroys, and the subject performance is normal, widens application range.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (5)
1. The RFID tag with the anti-theft and anti-uncovering functions comprises a tag antenna and a chip, wherein the tag antenna comprises a base material, a front metal antenna, a back metal antenna and two gap bridges, the front metal antenna is arranged on the front side of the base material and comprises a metal coil, the back metal antenna is arranged on the back side of the base material and comprises a linear transmission line, one end of the transmission line is connected to the inside of the metal coil through one gap bridge, and the other end of the transmission line is connected to the outside of the metal coil through the other gap bridge;
the binding region of the chip is arranged on the outer side of the tag antenna;
it is characterized by also comprising a detection line and a fragile layer, wherein the detection line is arranged at the outer side of the chip binding area and is connected with the chip,
the frangible layer is located between the inspection line and the substrate,
and/or
The fragile layer is positioned between the front metal antenna and the substrate;
the linear direction of the transmission line is perpendicular to the long side direction of the detection line.
2. The RFID tag with the anti-theft and anti-uncovering function according to claim 1, wherein the length of the tag antenna is 5-100 mm, the height is 5-100 mm, the line width of the tag antenna is: 0.2-5 mm, and the antenna pitch is 0.2-5 mm.
3. The RFID tag with the anti-theft and anti-uncovering function according to the claim 1 or 2, characterized in that the distance between the binding area of the chip and the bridge inside the metal coil is more than 7 mm.
4. The RFID tag with the anti-theft and anti-uncovering function according to the claim 3, characterized in that the length and the width of the binding area of the chip are both larger than 1 mm.
5. The RFID tag with anti-theft and tamper-evident functions of claim 1, wherein the detection line is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121153616.4U CN214504449U (en) | 2021-05-26 | 2021-05-26 | RFID label with anti-theft and anti-uncovering functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121153616.4U CN214504449U (en) | 2021-05-26 | 2021-05-26 | RFID label with anti-theft and anti-uncovering functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214504449U true CN214504449U (en) | 2021-10-26 |
Family
ID=78205256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121153616.4U Active CN214504449U (en) | 2021-05-26 | 2021-05-26 | RFID label with anti-theft and anti-uncovering functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214504449U (en) |
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2021
- 2021-05-26 CN CN202121153616.4U patent/CN214504449U/en active Active
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