CN104332702A - Novel thin near field communication antenna - Google Patents
Novel thin near field communication antenna Download PDFInfo
- Publication number
- CN104332702A CN104332702A CN201410590048.2A CN201410590048A CN104332702A CN 104332702 A CN104332702 A CN 104332702A CN 201410590048 A CN201410590048 A CN 201410590048A CN 104332702 A CN104332702 A CN 104332702A
- Authority
- CN
- China
- Prior art keywords
- field communication
- antenna
- ferrite
- fpc
- novel thin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a novel thin near field communication antenna. The novel thin near field communication antenna comprises a ferrite and an FPC (Flexible Printed Circuit) antenna; the ferrite comprises back glue, a base material and a protecting film which are arranged in sequence; the FPC antenna comprises a metal radiating body and a radiating body back glue layer which are arranged in sequence; the FPC antenna is in a preset antenna shape and is characterized in that one side of the metal radiating body is directly attached to one side of the back glue of the ferrite to form a near field communication antenna structure. According to the novel thin near field communication antenna, the mode of directly covering the surface of the ferrite with the metal radiating body is adopted, and thus partial thickness of the FPC antenna of the near field communication antenna is greatly reduced; the structure of the existing near thin near field communication antenna is improved, the total thickness of the FPC antenna is reduced, and electronic products with extreme requirements on thickness apply; the near field communication antenna is mall in cost, the processing technique is simplified, and a good application prospect is brought.
Description
Technical field
The present invention relates to near-field communication aerial technical field, particularly a kind of Novel thin near-field communication aerial.
Background technology
Near-field communication (Near Field Communication-NFC), also known as wireless near field communication, is a kind of short-range high frequency wireless communication technology, allows to carry out contactless Point-to-Point Data Transmission, swap data between electronic equipment.Near-field communication technology and mobile communication technology combine, and achieve the several functions such as E-Payment, authentication, ticketing service, exchanges data, false proof, advertisement, change the mode that user uses the mobile terminals such as mobile phone, application widely.Correspondingly, NFC antenna is then a kind of wireless aerial of short distance high frequency, and it runs in 20 cm distance in 13.56MHz frequency, applies comparatively wider in mobile communication and electronic device field.
NFC antenna conventional configurations is: FPC(flexible PCB)+ferrite.Wherein, when FPC is as antenna, it generally comprises solder mask+copper+glue+base material film+gum, and ferrite generally comprises coverlay+ferrite base material+gum.
Because traditional FPC antenna production technology is that logical overetched mode obtains required radiant body profile; its prerequisite is exactly that Copper Foil must have one deck base material film; and base material film cannot be separated with Copper Foil after etching, need the profile being protected the rear radiant body of etching by base material film.Therefore, conventional NFC antenna integral thickness is thicker.
Along with technical development and user more and more higher to the requirement of handheld mobile device as the sizes such as mobile phone and weight, the integral thickness of mobile device needs thinning, thus also requires thinner to the integral thickness of NFC antenna.
Existing FPC, owing to comprising comparatively multilayer material, makes its gross thickness partially thick, uses and will be affected in the environment that some space requirement is more extreme.Several schemes (such as glue-free copper scheme) of existing FPC, though reduce the thickness of FPC antenna, significantly improve the cost of FPC.
Summary of the invention
The object of the invention is to provide a kind of Novel thin near-field communication aerial, to solve the partially thick problem of existing NFC antenna gross thickness.
The second object of the present invention is to provide a kind of Novel thin near-field communication aerial, with the problem that the cost solving the existence of existing FPC glue-free copper scheme is higher.
The third object of the present invention is to provide a kind of Novel thin near-field communication aerial, to realize default metal level shape and metal level to be directly overlying on the scheme of ferrite surfaces as antenna, to reduce the integral thickness of NFC antenna, it is made to be suitable for using in the electronic product more extreme to thickness requirement.
For achieving the above object, the invention provides a kind of Novel thin near-field communication aerial, described ferrite comprises ferrite gum, ferrite base material and ferrite diaphragm successively, and described FPC antenna comprises metal radiation body and is located at the radiant body gum layer of described metal radiation body side;
Wherein, described FPC antenna is set to default antenna pattern, and the side that this FPC antenna has metal radiation body is attached to the side that described ferrite has ferrite gum, forms near-field communication aerial overall structure.
Preferably, described radiant body gum layer comprises glue, and described glue is conducting resinl or non-conductive adhesive, and the material of glue and thickness can require to select existing or customization according to product design.
Preferably, described FPC antenna is the antenna pattern obtained by etching, die-cut or laser cutting.
Preferably, described radiant body gum layer is that described metal radiation body pre-sets self, or described radiant body gum layer is arranged in described metal radiation body when forming near-field communication aerial structure.
Preferably, described radiant body gum layer also comprises adhesive tape, and described adhesive tape is the single-side coating adhesive tape with a skim, and the material of adhesive tape and thickness can require to select existing or customization according to product design.
Preferably, described FPC antenna is the antenna pattern that the mode by directly printing obtains.
Preferably, the metal radiation body thickness of described FPC antenna is 2 μm ~ 200 μm.
Preferably, described metal radiation body is reserved with the join domain of exposed region as antenna of one or more metal radiation body in the side being provided with described radiant body gum layer, and described join domain is used for directly and equipment connection or use as welding region.
The invention provides a kind of Novel thin near-field communication aerial, by first metal radiation body being preset as the shape needed for antenna, and metal radiation body is directly overlying on the mode of ferrite surfaces, make ferrite form near-field communication aerial with the FPC antenna be only made up of metal radiation body and radiant body gum layer.This antenna structure makes the FPC antenna part of near-field communication aerial, and because of parts such as the base material film eliminated in conventional aerial and solder masks, thickness greatly reduces.This improvment of antenna structure provided by the invention structure of existing near-field communication aerial, reduces the gross thickness of FPC antenna, can realize applying in the electronic product more extreme to thickness requirement.In addition, the mode of FPC antenna is only made up of metal radiation body and gum, processing base material film component can be omitted and be added in the step of the glue-line between base material film and metal radiation body accordingly and save material cost, antenna product price is reduced, and simplify processing technology, have a good application prospect in novel or ultra-thin electronic product.
Accompanying drawing explanation
The profile of the Novel thin near-field communication aerial structure that Fig. 1 provides for the embodiment of the present invention one;
The front elevation of the Novel thin near-field communication aerial structure that Fig. 2 provides for the embodiment of the present invention one.
Label declaration: 1-ferrite diaphragm; 2-ferrite base material; 3-ferrite gum; 4-metal radiation body; 5-radiant body gum layer; 6-join domain.
Embodiment
For better the present invention being described, hereby with a preferred embodiment, and coordinate accompanying drawing 1, Fig. 2 elaborates to the present invention, specific as follows:
Embodiment one:
As shown in Figure 1; Novel thin near-field communication aerial provided by the invention; comprise ferrite and FPC antenna, ferrite comprises ferrite diaphragm 1, ferrite base material 2 and ferrite gum 3 three-layer structure successively, and FPC antenna comprises metal radiation body 4 and radiant body gum layer 5 two-layer structure.When forming near-field communication aerial, entire physical structure is followed successively by ferrite diaphragm 1, ferrite base material 2, ferrite gum 3, metal radiation body 4 and radiant body gum layer 5, is directly overlying on ferrite surfaces by metal radiation body 4.Wherein, FPC antenna is set to default antenna pattern, and the side subsequently this FPC antenna with metal radiation body 4 is directly attached to the side that ferrite has ferrite gum 3.This shape first metal radiation body is preset as needed for antenna, and mode metal radiation body being directly overlying on ferrite surfaces is not while affecting antenna function, eliminate the base material film in traditional F PC antenna, glue and solder mask structure, the total number of plies of antenna material is reduced, significantly reduce the thickness of FPC, thus reduce the integral thickness of near-field communication aerial.
In the present embodiment, metal radiation body can first be obtained antenna pattern by etching, mode that is die-cut or laser cutting, then is overlying on ferrite.Operating procedure is simple, is easy to realize.
Wherein, the radiant body gum layer 5 in FPC antenna self can pre-set for metal radiation body 4, also when forming near-field communication aerial structure, metal radiation body 4 can be overlying on after on ferrite, then be arranged in metal radiation body 4 by radiant body gum layer.Radiant body gum layer 5 comprises glue, and glue can be conducting resinl or non-conductive adhesive.
As shown in profile construction Fig. 1; ferrite diaphragm 1, ferrite base material 2 and ferrite gum 3 three-layer structure form ferrite; metal radiation body 4 and radiant body gum layer 5 form FPC antenna; FPC antenna attaches on the ferrite; simultaneously; metal radiation body 4 is reserved with the join domain 6 of exposed region as near-field communication aerial of 2 metal radiation body 4 in the side of radiant body gum layer 5, join domain 6 is for directly and other equipment connections or use as welding region.Certainly, the quantity of join domain 6 can be set to more than 1 or 2 according to the requirement of near-field communication aerial.
In the present embodiment, the material of metal radiation body is Copper Foil, thickness is 35 μm, the thickness of gum is 25 μm, the FPC antenna gross thickness that Copper Foil and gum are formed wants thin more than 50 μm compared with the FPC antenna (thickness is generally 115 μm) of routine, also wants thin more than 20 μm than existing ultra-thin FPC antenna (thickness is 80 μm).
Embodiment two:
Outside the present embodiment is different from embodiment one divided by lower part execution mode, other parts are all identical with embodiment one.Radiant body gum layer 5 in the present embodiment also comprises an adhesive tape, and adhesive tape is the single-side coating adhesive tape with a skim.Metal radiation body is that the mode by directly printing obtains (metal pulp is printed on the side that adhesive tape does not have glue, and printing being preset shape), then the metal radiation body be printed on adhesive tape is overlying on ferrite.The overall structure of thin near-field communication aerial can be formed with this.In the present embodiment, the material of metal radiation body is silver slurry, and thickness is 18 ± 3 μm.
Certainly, the present invention not as limit, the material of metal radiation body can also be aluminium foil, silver foil or other can as the metal of radiant body.The thickness of the metal radiation body of FPC antenna provided by the invention is minimum reaches 2 μm, and the highest thickness of metal radiation body can reach 200 μm, is applicable to the application under different situations.When metal radiation body very thin thickness, the default antenna shape being obtained metal radiation body by the mode of directly printing in embodiment two can be selected.For improving the intensity of the rear FPC antenna of directly printing, the slurry that copper slurry, silver slurry etc. be can be used as radiant body can be selected to be printed on (as being covered with on the adhesive tape of glue) on radiant body gum layer, to can further improve FPC antenna reliability of structure.But the present invention does not limit the production method of FPC antenna.
This mode being only made up of FPC antenna metal radiation body and gum of the present invention, not only significantly thinning near-field communication aerial overall structure, and its cost is also far below conventional or ultra-thin FPC antenna.The thickness of FPC antenna provided by the invention can change in the scope of 2 μm ~ 200 μm, is suitable for using in the different near-field communication aerial of thickness requirement.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art is in the technical scope that the present invention discloses; the distortion do the present invention or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (7)
1. a Novel thin near-field communication aerial, comprise ferrite and FPC antenna, it is characterized in that, described ferrite comprises ferrite gum, ferrite base material and ferrite diaphragm successively, and described FPC antenna comprises metal radiation body and is located at the radiant body gum layer of described metal radiation body side;
Wherein, described FPC antenna is set to default antenna pattern, and the side that this FPC antenna has metal radiation body is attached to the side that described ferrite has ferrite gum, forms near-field communication aerial overall structure.
2. Novel thin near-field communication aerial according to claim 1, is characterized in that, described radiant body gum layer comprises glue, and described glue is conducting resinl or non-conductive adhesive.
3. Novel thin near-field communication aerial according to claim 1 and 2, is characterized in that, described FPC antenna is the antenna pattern obtained by etching, die-cut or laser cutting.
4. Novel thin near-field communication aerial according to claim 1, is characterized in that, described radiant body gum layer also comprises adhesive tape, and described adhesive tape is the one-faced tapes with a skim.
5. Novel thin near-field communication aerial according to claim 4, is characterized in that, described FPC antenna is the antenna pattern that the mode by directly printing obtains.
6. Novel thin near-field communication aerial according to claim 1, is characterized in that, the thickness of described FPC antenna is 2 μm ~ 200 μm.
7. Novel thin near-field communication aerial according to claim 1, it is characterized in that, described metal radiation body is reserved with the join domain of exposed region as antenna of one or more metal radiation body in the side being provided with described radiant body gum layer, and described join domain is used for directly and equipment connection or use as welding region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590048.2A CN104332702A (en) | 2014-10-29 | 2014-10-29 | Novel thin near field communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590048.2A CN104332702A (en) | 2014-10-29 | 2014-10-29 | Novel thin near field communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104332702A true CN104332702A (en) | 2015-02-04 |
Family
ID=52407385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410590048.2A Pending CN104332702A (en) | 2014-10-29 | 2014-10-29 | Novel thin near field communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332702A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910996A (en) * | 2017-02-17 | 2017-06-30 | 广东欧珀移动通信有限公司 | Antenna assembly, mobile terminal and its manufacture method |
| CN107887710A (en) * | 2017-03-29 | 2018-04-06 | 比亚迪股份有限公司 | Antenna, requestor antenna, transponder antenna and answering system |
| CN109462021A (en) * | 2018-09-27 | 2019-03-12 | 深圳市信维通信股份有限公司 | The production method of NFC antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437414A (en) * | 2011-08-04 | 2012-05-02 | 瑞声声学科技(深圳)有限公司 | Making method of radio frequency identification antenna |
| CN203339296U (en) * | 2013-06-09 | 2013-12-11 | 上海安费诺永亿通讯电子有限公司 | Thin near field communication antenna |
| CN103715501A (en) * | 2013-12-26 | 2014-04-09 | 惠州Tcl移动通信有限公司 | NFC antenna, mobile terminal and manufacturing method of NFC antenna |
-
2014
- 2014-10-29 CN CN201410590048.2A patent/CN104332702A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437414A (en) * | 2011-08-04 | 2012-05-02 | 瑞声声学科技(深圳)有限公司 | Making method of radio frequency identification antenna |
| CN203339296U (en) * | 2013-06-09 | 2013-12-11 | 上海安费诺永亿通讯电子有限公司 | Thin near field communication antenna |
| CN103715501A (en) * | 2013-12-26 | 2014-04-09 | 惠州Tcl移动通信有限公司 | NFC antenna, mobile terminal and manufacturing method of NFC antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910996A (en) * | 2017-02-17 | 2017-06-30 | 广东欧珀移动通信有限公司 | Antenna assembly, mobile terminal and its manufacture method |
| CN106910996B (en) * | 2017-02-17 | 2023-10-27 | 深圳市欢太科技有限公司 | Antenna device, mobile terminal and manufacturing method thereof |
| CN107887710A (en) * | 2017-03-29 | 2018-04-06 | 比亚迪股份有限公司 | Antenna, requestor antenna, transponder antenna and answering system |
| CN109462021A (en) * | 2018-09-27 | 2019-03-12 | 深圳市信维通信股份有限公司 | The production method of NFC antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10957978B2 (en) | Electronic devices having multi-frequency ultra-wideband antennas | |
| US10819029B2 (en) | Electronic device having multi-frequency ultra-wideband antennas | |
| CN108496275B (en) | Laminated antenna module | |
| US11239550B2 (en) | Electronic devices having compact ultra-wideband antennas | |
| ES2728581T3 (en) | Fingerprint module, manufacturing method and mobile terminal that carries it | |
| JP6636723B2 (en) | Antenna structure and mobile devices | |
| CN107851901B (en) | Antenna module | |
| JP2014154777A (en) | Connection device | |
| CN103715501A (en) | NFC antenna, mobile terminal and manufacturing method of NFC antenna | |
| CN104332702A (en) | Novel thin near field communication antenna | |
| CN105742782A (en) | Hybrid-type NFC antenna and the electronic device thereof | |
| CN117580241A (en) | Circuit board and electronic device comprising same | |
| CN105407631A (en) | Flexible circuit board laminated structure and mobile terminal | |
| US10211544B2 (en) | Combined antenna and electronic device | |
| TWI571785B (en) | Curved touch panel having antenna structure | |
| US10008766B2 (en) | Touch screen and terminal | |
| US9214719B2 (en) | Handheld device and method of manufacture thereof | |
| CN104901002A (en) | Method for manufacturing NFC antenna | |
| CN207852904U (en) | Flexible near-field communication aerial | |
| KR101453927B1 (en) | Method of manufacturing printed circuit board using electronic printing for conductive object and the printed circuit board structure thereof | |
| CN108539392A (en) | antenna and preparation method thereof | |
| KR20160051136A (en) | Touch sensor module | |
| CN115812187A (en) | Foldable display device and manufacturing method thereof | |
| CN219981143U (en) | Circuit board and electronic device | |
| JP2013106286A (en) | Electronic apparatus and antenna unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150204 |
|
| RJ01 | Rejection of invention patent application after publication |