CN202159363U - Radio Frequency Identification assembly based on flexible circuit board antenna - Google Patents
Radio Frequency Identification assembly based on flexible circuit board antenna Download PDFInfo
- Publication number
- CN202159363U CN202159363U CN2011202319117U CN201120231911U CN202159363U CN 202159363 U CN202159363 U CN 202159363U CN 2011202319117 U CN2011202319117 U CN 2011202319117U CN 201120231911 U CN201120231911 U CN 201120231911U CN 202159363 U CN202159363 U CN 202159363U
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- antenna
- radio frequency
- circuit board
- flexible circuit
- recognition function
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Abstract
The utility model provides a radio frequency identification assembly based on a flexible circuit board antenna. The assembly includes an integrated circuit used for radio frequency identification, a compatible capacitor and an inductive antenna. The inductive antenna is the flexible circuit board antenna including a flexible circuit board base material and an antenna circuit formed on the flexible circuit board base material in an etching manner. By adopting the flexible circuit board antenna in the utility model and utilizing the characteristics of the flexible circuit board base material of extraordinary bending resisting, water proofing, dump proofing and high temperature resisting, the application range of radio frequency identification technology is widened effectively. And since the integrated circuit used for radio frequency identification and the compatible capacitor are installed in the flexible circuit board, and the radio frequency identification, the compatible capacitor and the flexible circuit board are all arranged in the antenna, the outer size of the functional assembly can be reduced according to application requirements, thereby facilitating the miniaturization design and production of radio frequency identification application products.
Description
Technical field
The utility model relates to the radio frequency recognition function assembly, particularly relates to the radio frequency recognition function assembly that its induction antenna adopts FPC to process.
Background technology
RFID (Radio Frequency Identification, RF identification) is a kind of technology of discerning people or thing through radiowave automatically.A typical radio-frequency recognition system is by radio frequency identification component, for example: label, card, band or other, and tag reader (Reader or Interrogator) is formed.Radio frequency identification component is made up of with integrated circuit induction antenna and RF identification; Reading machine is through to carrying out radio communication between the antenna emitting radio wave of this assembly and the integrated circuit; Read and write canned data on this integrated circuit, and convert digital data transmission to and handle to equipment such as computing machines.
Existing radio frequency identification component adopts enameled wire loop coiling induction antenna usually, through welding induction antenna is electrically connected to integrated circuit with RF identification, and the combination and an insulating carrier of this antenna and integrated circuit is combined into one.Existing this structure; Because the cause of insulating carrier and/or this body structure of antenna; Exist not major defect such as warping resistance, non-refractory, particularly after running into high temperature, the protective paint that constitutes the enameled wire loop of antenna may defective insulation between line occur because of the thawing of being heated; When serious even electric short circuit can be produced and make the radio frequency identification component disabler, thereby limited the range of application of REID.
The utility model content
The technical matters that the utility model will solve is to overcome the deficiency of above-mentioned prior art, and proposes a kind of radio frequency recognition function assembly, can warping resistance, waterproof, protection against the tide and high temperature resistant, thus effectively enlarge the range of application of REID; Further, its size can be dwindled along with demands of applications, is convenient to miniaturized design and production that radio frequency sets application product.
The technical scheme that the utility model solves the problems of the technologies described above employing comprises; A kind of radio frequency recognition function assembly based on the FPC antenna is proposed; Comprise that a RF identification is with integrated circuit, a matching capacitance and an induction antenna; This induction antenna is a FPC antenna, and it comprises a flexible circuitry plate substrate and is molded over the antenna traces on this flexible circuitry plate substrate through etching.
This antenna traces has two terminations.
This antenna traces comprises at least one loop line.
It is inner and near two terminations of this antenna traces that this integrated circuit is arranged on this loop line.
This matching capacitance is connected across between two terminations of this antenna traces.
This loop line is rectangular or circular.
This integrated circuit and matching capacitance are that the base material glue with the FPC antenna is enclosed in.
The integrated circuit and the matching capacitance that are enclosed in together by glue are arranged on the inside base material of this FPC antenna encirclement.
The pin that is enclosed in together integrated circuit and matching capacitance by glue adopts the mode of Pb-free solder to be electrically connected with two terminations of this induction antenna circuit.
This flexible circuitry plate substrate is provided with pilot hole.
Compared with prior art; The radio frequency recognition function assembly based on the FPC antenna of the utility model; Through adopting the FPC antenna; By means of the flexible circuitry plate substrate, excellent warping resistance, waterproof, protection against the tide and high-temperature stability, can effectively enlarge the range of application of REID; Be installed in the FPC because of RF IC and matching capacitance again and the three is enclosed in together by glue, thereby make the size of this functional module to dwindle, be convenient to miniaturized design and production that radio frequency sets application product along with demands of applications.
Description of drawings
Fig. 1 is the electric theory diagram based on the radio frequency recognition function assembly of FPC antenna of the utility model.
Fig. 2 is the manufacturing process synoptic diagram based on the radio frequency recognition function assembly of FPC antenna of the utility model.
Fig. 3 is the structural representation based on the radio frequency recognition function assembly embodiment one of FPC antenna of the utility model.
Fig. 4 is the structural representation based on the radio frequency recognition function assembly embodiment two of FPC antenna of the utility model.
Embodiment
Do further to detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Fig. 1 is the electric theory diagram based on the radio frequency recognition function assembly of FPC antenna of the utility model.The circuit structure of radio frequency recognition function assembly roughly comprises: IC (integrated circuit) 1, matching capacitance 2 and induction antenna 3.Wherein, referring to Fig. 3 and Fig. 4, this induction antenna 3 is FPC antennas, and it comprises a flexible circuitry plate substrate 4 and is molded over the antenna traces 5 on this flexible circuitry plate substrate 4 through etching.
Fig. 2 is the manufacturing process synoptic diagram based on the radio frequency recognition function assembly of FPC antenna of the utility model.Roughly comprise:
Step 101: FPC antenna, matching capacitance and integrated circuit detect.Wherein, The FPC antenna uses the FPC material; For example: FPC (Flexible Printed Circuit) material, this is high reliability, the flexual P.e.c. that base material is processed with polyimide or mylar, thickness≤0.25mm; Through etching antenna traces on this P.e.c., can form the FPC antenna; And the FPC antenna of this structure can be used as a kind of independently components and parts, and OEM customization in enormous quantities and buying are compared with existing induction antenna technology, can save the investment of spooling equipment and the cost of wire winding.
Step 102: integrated circuit, matching capacitance mount with glue and seal; Can integrated circuit and matching capacitance be passed through the surface-pasted mode of SMT; Be fixed on the flexible circuitry plate substrate at FPC antenna place and make integrated circuit and the connected mode of antenna traces, use according to the requirement of IC encapsulation perhaps that other feasible connected modes are electrically connected to together in the industry instead through Pb-free solder; Be enclosed in the base material glue of integrated circuit and matching capacitance FPC antenna together then.
Step 103: load chip operating system; COS (chip operating system) just is installed, to carry out software initialization in integrated circuit.
Step 104: Function detection and encapsulation.Qualified goods are FPC radio frequency recognition function assembly finished product.
Fig. 3 is the structural representation based on the radio frequency recognition function assembly embodiment one of FPC antenna of the utility model.
Contoured beam antenna circuit 5 on flexible circuitry plate substrate 4 is to form aforesaid FPC antenna 3.Securing integrated circuit 1 and matching capacitance 2 on this flexible circuitry plate substrate 4, and integrated circuit 1, matching capacitance 2 and antenna traces 5 be electrically connected to together.Wherein, this antenna traces 5 comprises the complete loop line of a rectangle and the complete basically loop line of a rectangle, and this antenna traces 5 has two ends, and these two ends are that the pin of direct and integrated circuit 1 is electrically connected.Matching capacitance 2 is arranged on the position of leaning on the center of this loop line, is positioned at the side away from two terminations of this antenna traces 5 of integrated circuit 1.This flexible circuitry plate substrate 4 is provided with a pilot hole 41 in centre, also can be provided with another pilot hole 42 in the vacancy away from integrated circuit 1.Through pilot hole 41,42 is set, can be conveniently the radio frequency recognition function assembly of the utility model be combined with other materials, process application product.
Fig. 4 is the structural representation based on the radio frequency recognition function assembly embodiment two of FPC antenna of the utility model.
Contoured beam antenna circuit 5 on flexible circuitry plate substrate 4 is to form aforesaid FPC antenna 3.Securing integrated circuit 1 and matching capacitance 2 on this flexible circuitry plate substrate 4, and integrated circuit 1, matching capacitance 2 and antenna traces 5 be electrically connected to together.Wherein, this antenna traces 5 comprises more than one circular complete loop line, and this antenna traces 5 has two ends, and this place, two ends is provided with web member 31,32 respectively, with being connected of convenient antenna and other circuit.Matching capacitance 2 is arranged on the position of leaning on the center of this loop line, is positioned at the side away from two terminations of this antenna traces 5 of integrated circuit 1.
Compared with prior art, the useful of radio frequency recognition function assembly based on the FPC antenna of the utility model roughly comprises:
Can abide by various international standard standards flexibly, for example, international standard ISO14443 TAPE A, TAPEB or TAPE C technical manual.
Because the FPC material is based on the processing technology and the technology of maturation, various parameters such as its environmental protection meet international standard.
Through adopting the FPC antenna; Except having the common ground that other kinds RF tag has; Also have bend resistance (≤10 °), high temperature resistance (>=300 ℃), waterproof and dampproof and frequency drift is little excellent physical properties and electrical specifications such as (± 1%), can effectively enlarge the range of application of REID.
Through adopting the FPC antenna, for the miniaturization of RFID tag application product, flexibility and abnormal shapeization provide good technical and product basis.For example: be applied in the design and making of RF identification watch bracelet, respond well.
Through making up once more with rigidity such as plastic cement, silica gel, leather, woven or flexible material; Can form various applying in radio frequency identification products; For example, make various radio-frequency identification cards, band or other shapes of using in places such as being applied to subway, public transport, small amount consumption and have rigidity or the flexible various ornaments spares that require.
More than, be merely the preferred embodiment of the utility model, be intended to further specify the utility model, but not it is limited.All simple substitution of carrying out according to above-mentioned literal and the disclosed content of accompanying drawing are all at the row of the rights protection scope of this patent.
Claims (10)
1. radio frequency recognition function assembly based on the FPC antenna; Comprise that a RF identification is with integrated circuit, a matching capacitance and an induction antenna; It is characterized in that; This induction antenna is a FPC antenna, and it comprises a flexible circuitry plate substrate and is molded over the antenna traces on this flexible circuitry plate substrate through etching.
2. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 1 is characterized in that this antenna traces has two terminations.
3. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 2 is characterized in that this antenna traces comprises at least one loop line.
4. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 3 is characterized in that, it is inner and near two terminations of this antenna traces that this integrated circuit is arranged on this loop line.
5. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 4 is characterized in that, this matching capacitance is connected across between two terminations of this antenna traces.
6. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 3 is characterized in that this loop line is rectangular or circular.
7. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 1 is characterized in that, this integrated circuit and matching capacitance are that the base material glue with the FPC antenna is enclosed in.
8. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 7 is characterized in that, the integrated circuit and the matching capacitance that are enclosed in together by glue are arranged on the inside base material of this FPC antenna encirclement.
9. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 7 is characterized in that, the pin that is enclosed in together integrated circuit and matching capacitance by glue adopts the mode of Pb-free solder to be electrically connected with two terminations of this induction antenna circuit.
10. the radio frequency recognition function assembly based on the FPC antenna as claimed in claim 1 is characterized in that this flexible circuitry plate substrate is provided with pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202319117U CN202159363U (en) | 2011-06-28 | 2011-06-28 | Radio Frequency Identification assembly based on flexible circuit board antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202319117U CN202159363U (en) | 2011-06-28 | 2011-06-28 | Radio Frequency Identification assembly based on flexible circuit board antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159363U true CN202159363U (en) | 2012-03-07 |
Family
ID=45766991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202319117U Expired - Fee Related CN202159363U (en) | 2011-06-28 | 2011-06-28 | Radio Frequency Identification assembly based on flexible circuit board antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542322A (en) * | 2011-06-28 | 2012-07-04 | 时运达(深圳)电子有限公司 | Radio frequency identification functional component based on flexible circuit board antenna |
| CN109638434A (en) * | 2018-11-23 | 2019-04-16 | 深圳市天威讯无线技术有限公司 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
-
2011
- 2011-06-28 CN CN2011202319117U patent/CN202159363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542322A (en) * | 2011-06-28 | 2012-07-04 | 时运达(深圳)电子有限公司 | Radio frequency identification functional component based on flexible circuit board antenna |
| CN109638434A (en) * | 2018-11-23 | 2019-04-16 | 深圳市天威讯无线技术有限公司 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20200628 |