CN101577361A - Method for manufacturing near field communication (NFC) terminal and antenna thereof - Google Patents
Method for manufacturing near field communication (NFC) terminal and antenna thereof Download PDFInfo
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- CN101577361A CN101577361A CNA2009101430970A CN200910143097A CN101577361A CN 101577361 A CN101577361 A CN 101577361A CN A2009101430970 A CNA2009101430970 A CN A2009101430970A CN 200910143097 A CN200910143097 A CN 200910143097A CN 101577361 A CN101577361 A CN 101577361A
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Abstract
The invention discloses a method for manufacturing a near field communication (NFC) terminal and an antenna thereof. A coil of the antenna of the NFC terminal is carved on a position of a shell of the terminal, and the antenna is connected with a main board NFC radio-frequency circuit of the terminal by a connector. The method can reduce the volume of the NFC terminal, simplify the installation flow of the antenna and enhance user experience.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the manufacture method of a kind of near field communication (NFC) terminal and antenna thereof.
Background technology
Three dimensional mold interconnecting device or electronic building brick (Three-dimensional mouldedinterconnect device or electronic assemblies, abbreviating 3D-MID as) technology is meant on the surface of the plastic casing of injection mo(u)lding, making has the lead of electric function, figure, make or install components and parts, thereby the electric interconnection function that common circuit board is had, supporting components and parts function, and the support of plastic casing, functions such as protection, the shielding that mechanical entities is combined with conductive pattern and produce, functions such as antenna are integrated in one, and form three dimensional mold interconnecting device.
Near field communication (NFC) (Near field communication, abbreviate NFC as) by REID (Radio Frequency Identification, abbreviate RFID as) and the technological incorporation of interconnecting develops and next a kind of technology that is used for wireless near field communication, is operated in 13.56MHZ.Wherein, radio-frequency recognition system comprises following three the most basic parts: label, be also referred to as non-contact IC card, and each label has unique electronic code, attached to identifying destination object on the object; Reader reads the equipment of (also can write) label information; Antenna transmits radiofrequency signal between label and reader.Close range wireless communication terminal is that the NFC module is integrated on the various hand-hold electronic equipments, for example, PSP game machine, MP3 player etc., wherein, the most frequently used is that the NFC module is integrated on the portable terminal (as mobile phone), is non-contact IC card expansion more applications by portable terminal.
At present, the NFC antenna is realized with transformer principle, be made up of one group of coil, shown in Figure 1A and Figure 1B, it (is monofocal that this group coil can adopt 2 contacts, Figure 1A) or 3 contacts (be differential type, Figure 1B), the NFC reader produces a magnetic flux by the electric current of aerial coil, and the part of magnetic flux is passed the aerial coil of label, on the coil of label, induce a voltage, for tag-powered.
Traditional NFC terminal antenna adopts printed circuit board (PCB) (Printed Circuit Board, abbreviate PCB as) mode or flexible circuit board (Flexible Printed Circuit, abbreviate FPC as) mode, can adopt on the mounting means that PCB is built-in, cell package formula and rear-cover type.Adopt the rear-cover type best performance on radio-frequency performance, but, adopt the NFC terminal of rear-cover type usually antenna to be made on the bonnet that the FPC form is attached to terminal, thereby make that the volume of NFC terminal is bigger, industrial design and product reliability to the NFC terminal are all brought bigger influence, and user experience is not high yet.
Therefore, be necessary that design to the NFC antenna improves and develops.Design the NFC near-field communication terminal with 3D MID technology and can simplify manufacturing flow process, reduce number of components, volume is littler, simplifies and installs, the reliability height.
Summary of the invention
In view of this, the invention provides the manufacture method of a kind of improved NFC terminal and NFC antenna thereof, reach the not high problem of user experience more greatly in order to the volume that solves NFC terminal in the prior art.
According to an aspect of the present invention, provide a kind of NFC terminal.
Be engraved in according to the coil of the antenna of NFC terminal of the present invention on the position of shell of this NFC terminal, this antenna is connected with the mainboard NFC radio circuit of this NFC terminal by connector.
Further, according to the raw material at the above-mentioned position of the shell of NFC terminal of the present invention be can laser activation modified plastics.
Further, the above-mentioned antenna according to NFC terminal of the present invention is monofocal or differential type.
Further, the connector of connection mainboard NFC radio circuit and above-mentioned antenna is 2 contacts or 3 contacts.
Preferably, above-mentioned connector is compression joint type or welded type.
Preferably, the above-mentioned position of the shell of above-mentioned NFC terminal is the bonnet of this NFC terminal.
A kind of manufacture method of antenna of NFC terminal is provided according to another aspect of the present invention.
Manufacture method according to the antenna of NFC terminal of the present invention comprises: with modified plastics that can laser activation is raw material, adopts injection molding process to inject a position of the shell of NFC terminal; The aggregation laser bundle is thrown the frosting according to the above-mentioned position of this shell, activates out the surface, figure position that will make conductive pattern; By the figure position surface deposition conducting metal of laser activation, form interconnect devices, obtain the NFC antenna of this NFC terminal.
Further, before activating out the surface, figure position that will make conductive pattern, this method also comprises: according to the inductance value range of above-mentioned NFC antenna, determine above-mentioned conductive pattern.
Further, after forming above-mentioned interconnect devices, this method also comprises: be connected with above-mentioned NFC antenna by compression joint type or the welded type connector mainboard NFC radio circuit with above-mentioned NFC terminal.
Preferably, the above-mentioned position of the shell of above-mentioned NFC terminal is the bonnet of this NFC terminal.
By above-mentioned at least one scheme of the present invention, be engraved in by coil on the position of shell of NFC terminal the NFC antenna, can reduce the volume of NFC terminal, simplify the installation procedure of NFC antenna, improve user experience.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Figure 1A is a kind of structural representation of NFC antenna in the prior art;
Figure 1B is the another kind of structural representation of NFC antenna in the prior art;
Fig. 2 is according to the structural representation of the NFC terminal of the embodiment of the invention;
Fig. 3 is a kind of bonnet antenna schematic diagram according to the NFC terminal of the embodiment of the invention;
Fig. 4 is the another kind of bonnet antenna schematic diagram according to the NFC terminal of the embodiment of the invention;
Fig. 5 is the flow chart according to the manufacture method of the antenna of the NFC terminal of the embodiment of the invention.
Embodiment
Functional overview
Because the antenna of NFC terminal is made on the bonnet that the FPC form is attached to the NFC terminal usually in the prior art, thereby influence the aesthetic feeling of NFC terminal appearance, simultaneously, the reliability and the user experience of NFC terminal have also been reduced, therefore, the embodiment of the invention provides the manufacture method of a kind of NFC terminal and antenna thereof, in embodiments of the present invention, the antenna of NFC terminal is made by the 3D-MID technology, aerial coil is engraved on the position of shell of NFC terminal, thereby has reduced the volume of NFC terminal, simultaneously, also improve the NFC reliability of products, reduced the quantity of NFC parts, improved user experience.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, at first provide a kind of NFC terminal.
Fig. 2 is the structural representation according to the NFC terminal of the embodiment of the invention, as shown in Figure 1, this NFC terminal mainly comprises: safe digital card (Secure Digital MemoryCard, abbreviate SD as) card, memory, processor, SIM card, NFC front-end control chip, safety chip, antenna-matching circuit and antenna, each module of this NFC terminal is identical or similar with existing NFC terminal, and difference is that the setting of antenna is different with existing NFC terminal.
Be engraved in according to the coil of the antenna of the NFC terminal of the embodiment of the invention on the position of shell of NFC terminal, this antenna is connected with the mainboard NFC radio circuit (comprising above-mentioned NFC front-end control chip) of NFC terminal by connector.
And, according to the raw material at this position of the shell of the NFC terminal of the embodiment of the invention be can laser activation modified plastics, in actual applications, can throw the frosting that shines bonnet by the aggregation laser bundle, form surface, figure position (shape of this figure is the shape of aerial coil) at this frosting, adopt then chemical method with deposition of conductive metals by the figure position of laser activation.
Preferably, in embodiments of the present invention, the position of the shell of the NFC terminal of the above-mentioned coil that is carved with antenna is the bonnet of this NFC terminal.
Preferably, antenna according to the NFC terminal of the embodiment of the invention can be monofocal and differential type, accordingly, connecting the mainboard NFC radio circuit of NFC and the connector of this antenna can be 2 contacts (as shown in Figure 3) or 3 contacts (as shown in Figure 4), and this connector can adopt compression joint type also can adopt welded type.
According to the above-mentioned NFC terminal of the embodiment of the invention, its antenna is engraved on its shell, can reduce the NFC terminal, improves the reliability of NFC terminal.
According to the embodiment of the invention, also provide a kind of manufacture method of antenna of NFC terminal.
Fig. 5 is the flow chart according to the manufacture method of the antenna of the NFC terminal of the embodiment of the invention, as shown in Figure 5, adopt laser direct forming method (LaserDirect Structuring in embodiments of the present invention, abbreviate LDS as), mainly may further comprise the steps (step S501-step S505) according to the manufacture method of the antenna of the NFC terminal of the embodiment of the invention:
Step S501: with modified plastics that can laser activation is raw material, adopts injection molding process to inject a position of the shell of NFC terminal;
In specific implementation process, can adopt existing injection molding apparatus, mould and technology, inject this position of the shell of NFC terminal, preferably, this position can be the bonnet of NFC terminal.
Step S503: the aggregation laser bundle is thrown the frosting according to the position of the above-mentioned shell that injects, and activates out the surface, figure position that will make conductive pattern;
In specific implementation process, at first according to the principle design antenna traces shown in Figure 1A and Figure 1B, the tolerance interval that the control inductance value is used at NFC, thereby the area of definite antenna traces, the number of turns of coil, spacing etc., promptly determine conductive pattern, utilize then laser in the frosting activation of bonnet body, coarsely go out surface, figure position.
Step S505: by the figure position surface deposition conducting metal of laser activation, form interconnect devices, obtain the NFC antenna of NFC terminal.
In specific implementation process, can adopt chemical method, conducting metal is plated on the surface, figure position of above-mentioned activation, in this figure position conductive metal deposition, thereby be implemented on the three-dimensional plastic part and make conductive pattern, form interconnect devices, obtain the antenna of NFC terminal.
On bonnet, on the plating after the above-mentioned conductive pattern, can the mainboard NFC radio circuit of NFC terminal and the antenna on the shell be coupled together, thereby realize the radio-frequency (RF) identification of NFC terminal by compression joint type or welded type connector.
According to the manufacture method of the antenna of the above-mentioned NFC terminal of the embodiment of the invention, can produce coil and be engraved in antenna on the shell, thereby reduce the number of components of NFC terminal, simplify the mounting process of NFC antenna.
Need to prove that though in order to obtain optimum radio-frequency performance, the antenna in the embodiment of the invention is arranged on the bonnet, but be not limited to this, antenna according to the NFC terminal of the embodiment of the invention can also be arranged on other position, such as, the side of NFC terminal etc.
As mentioned above, by the technical scheme that the embodiment of the invention provides, adopt the 3D-MID technology that the aerial coil of NFC terminal is engraved on the structural member, can simplify the structure of NFC terminal, reduce the volume of NFC terminal, improve the attractive in appearance and reliability height of NFC terminal, simultaneously, also improved user experience; And, implement simply, have actual application value according to the technical scheme that the embodiment of the invention provides; In addition, with low cost according to the NFC terminal of the embodiment of the invention, technology is simple.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a near field communication (NFC) NFC terminal is characterized in that, the coil of the antenna of described NFC terminal is engraved on the position of shell of described NFC terminal, and described antenna is connected with the mainboard NFC radio circuit of described NFC terminal by connector.
2. NFC terminal according to claim 1 is characterized in that, the raw material at the described position of described shell be can laser activation modified plastics.
3. NFC terminal according to claim 1 and 2 is characterized in that, described antenna is monofocal or differential type.
4. NFC terminal according to claim 3 is characterized in that, the described connector that connects described mainboard NFC radio circuit and described antenna is 2 contacts or 3 contacts.
5. NFC terminal according to claim 3 is characterized in that, described connector is compression joint type or welded type.
6. according to claim 1 or 2 described NFC terminals, it is characterized in that the described position of described shell is the bonnet of described NFC terminal.
7. the manufacture method of the antenna of a NFC terminal is characterized in that, comprising: with modified plastics that can laser activation is raw material, adopts injection molding process to inject a position of the shell of described NFC terminal;
The aggregation laser bundle is thrown the frosting according to the described position of described shell, activates out the surface, figure position that will make conductive pattern; By the described figure position surface deposition conducting metal of laser activation, form interconnect devices, obtain the NFC antenna of described NFC terminal.
8. method according to claim 7 is characterized in that, before activating out the surface, figure position that will make conductive pattern, described method also comprises: according to the inductance value range of described NFC antenna, determine described conductive pattern.
9. according to claim 7 or 8 described methods, it is characterized in that after forming described interconnect devices, described method also comprises:
Be connected with described NFC antenna by compression joint type or welded type connector mainboard NFC radio circuit described NFC terminal.
10. according to claim 7 or 8 described methods, it is characterized in that the described position of described shell is the bonnet of described NFC terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101430970A CN101577361A (en) | 2009-06-01 | 2009-06-01 | Method for manufacturing near field communication (NFC) terminal and antenna thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101430970A CN101577361A (en) | 2009-06-01 | 2009-06-01 | Method for manufacturing near field communication (NFC) terminal and antenna thereof |
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| CN101577361A true CN101577361A (en) | 2009-11-11 |
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| CNA2009101430970A Pending CN101577361A (en) | 2009-06-01 | 2009-06-01 | Method for manufacturing near field communication (NFC) terminal and antenna thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728630A (en) * | 2009-12-21 | 2010-06-09 | 瑞声声学科技(深圳)有限公司 | Electronic communication equipment and manufacturing process thereof |
| WO2011079606A1 (en) * | 2009-12-29 | 2011-07-07 | 中兴通讯股份有限公司 | Mobile phone with near-field communication function |
| CN102157286A (en) * | 2010-04-19 | 2011-08-17 | 苹果公司 | Output and input system for electronic apparatus |
| WO2012136026A1 (en) * | 2011-04-08 | 2012-10-11 | 中兴通讯股份有限公司 | Shell body of terminal front shell and terminal |
| CN103079366A (en) * | 2011-10-25 | 2013-05-01 | 青岛长弓塑模有限公司 | Method for manufacturing casing with circuit by spraying and laser carving |
| CN103094682A (en) * | 2013-01-30 | 2013-05-08 | 苏州中兴山一电子有限公司 | Vehicle-mounted antenna and manufacturing method thereof |
| WO2013086997A1 (en) * | 2011-12-15 | 2013-06-20 | 中国银联股份有限公司 | Receiver-side component for use in near field communication and receiver device comprising the component |
| WO2013170683A1 (en) * | 2012-05-14 | 2013-11-21 | 中兴通讯股份有限公司 | Aerial module and mobile terminal device |
| CN103515692A (en) * | 2012-06-19 | 2014-01-15 | 深圳富泰宏精密工业有限公司 | Antenna and wireless communication device therewith |
| CN104124990A (en) * | 2013-04-26 | 2014-10-29 | 盛世铸成科技(北京)有限公司 | Terminal equipment with near field communication and wireless charging functions |
| CN104160552A (en) * | 2012-03-02 | 2014-11-19 | 派斯电子公司 | Deposition antenna apparatus and methods |
| WO2014190891A1 (en) * | 2013-05-29 | 2014-12-04 | Shenzhen Byd Auto R&D Company Limited | Nfc antenna assembly and mobile communication device comprising the same |
| US8964352B2 (en) | 2010-04-19 | 2015-02-24 | Apple Inc. | Mounting structures for components in electronic devices |
| CN105533949A (en) * | 2016-01-26 | 2016-05-04 | 段元文 | Intelligent jewelry with information transmission function |
| CN106299823A (en) * | 2016-08-22 | 2017-01-04 | 广东小天才科技有限公司 | The method of attachment of stereo circuit and metalwork and LDS antenna |
| US9833802B2 (en) | 2014-06-27 | 2017-12-05 | Pulse Finland Oy | Methods and apparatus for conductive element deposition and formation |
| US10020561B2 (en) | 2013-09-19 | 2018-07-10 | Pulse Finland Oy | Deposited three-dimensional antenna apparatus and methods |
| CN108476249A (en) * | 2015-12-24 | 2018-08-31 | 三星电子株式会社 | Accessories apparatus for mancarried device |
| WO2019120189A1 (en) * | 2017-12-18 | 2019-06-27 | 上海微电子装备（集团）股份有限公司 | Additive manufacturing mechanism and additive manufacturing method |
| US10950941B2 (en) | 2016-11-21 | 2021-03-16 | Microsoft Technology Licensing, Llc | Conductive structural member acting as single-ended NFC antenna |
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2009
- 2009-06-01 CN CNA2009101430970A patent/CN101577361A/en active Pending
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101728630A (en) * | 2009-12-21 | 2010-06-09 | 瑞声声学科技(深圳)有限公司 | Electronic communication equipment and manufacturing process thereof |
| CN101728630B (en) * | 2009-12-21 | 2013-07-10 | 瑞声声学科技(深圳)有限公司 | Electronic communication equipment and manufacturing process thereof |
| WO2011079606A1 (en) * | 2009-12-29 | 2011-07-07 | 中兴通讯股份有限公司 | Mobile phone with near-field communication function |
| CN101729676B (en) * | 2009-12-29 | 2013-06-05 | 中兴通讯股份有限公司 | Mobile phone with near field communication function |
| US8964352B2 (en) | 2010-04-19 | 2015-02-24 | Apple Inc. | Mounting structures for components in electronic devices |
| CN102157286A (en) * | 2010-04-19 | 2011-08-17 | 苹果公司 | Output and input system for electronic apparatus |
| US10290441B2 (en) | 2010-04-19 | 2019-05-14 | Apple Inc. | Button structures for electronic devices |
| WO2012136026A1 (en) * | 2011-04-08 | 2012-10-11 | 中兴通讯股份有限公司 | Shell body of terminal front shell and terminal |
| CN103079366A (en) * | 2011-10-25 | 2013-05-01 | 青岛长弓塑模有限公司 | Method for manufacturing casing with circuit by spraying and laser carving |
| WO2013086997A1 (en) * | 2011-12-15 | 2013-06-20 | 中国银联股份有限公司 | Receiver-side component for use in near field communication and receiver device comprising the component |
| US9780438B2 (en) | 2012-03-02 | 2017-10-03 | Pulse Electronics, Inc. | Deposition antenna apparatus and methods |
| KR101827047B1 (en) * | 2012-03-02 | 2018-02-07 | 펄스 일렉트로닉스, 인크. | Deposition antenna apparatus and methods |
| CN104160552A (en) * | 2012-03-02 | 2014-11-19 | 派斯电子公司 | Deposition antenna apparatus and methods |
| US10014577B2 (en) | 2012-05-14 | 2018-07-03 | Zte Corporation | Aerial module and mobile terminal device |
| WO2013170683A1 (en) * | 2012-05-14 | 2013-11-21 | 中兴通讯股份有限公司 | Aerial module and mobile terminal device |
| CN103515692A (en) * | 2012-06-19 | 2014-01-15 | 深圳富泰宏精密工业有限公司 | Antenna and wireless communication device therewith |
| CN103515692B (en) * | 2012-06-19 | 2019-11-01 | 深圳富泰宏精密工业有限公司 | Antenna and wireless communication device with the antenna |
| CN103094682B (en) * | 2013-01-30 | 2015-07-01 | 苏州中兴联精密工业有限公司 | Vehicle-mounted antenna and manufacturing method thereof |
| CN103094682A (en) * | 2013-01-30 | 2013-05-08 | 苏州中兴山一电子有限公司 | Vehicle-mounted antenna and manufacturing method thereof |
| CN104124990A (en) * | 2013-04-26 | 2014-10-29 | 盛世铸成科技(北京)有限公司 | Terminal equipment with near field communication and wireless charging functions |
| US9490530B2 (en) | 2013-05-29 | 2016-11-08 | Byd Company Limited | NFC antenna assembly and mobile communication device comprising the same |
| WO2014190891A1 (en) * | 2013-05-29 | 2014-12-04 | Shenzhen Byd Auto R&D Company Limited | Nfc antenna assembly and mobile communication device comprising the same |
| US10020561B2 (en) | 2013-09-19 | 2018-07-10 | Pulse Finland Oy | Deposited three-dimensional antenna apparatus and methods |
| US9833802B2 (en) | 2014-06-27 | 2017-12-05 | Pulse Finland Oy | Methods and apparatus for conductive element deposition and formation |
| CN108476249A (en) * | 2015-12-24 | 2018-08-31 | 三星电子株式会社 | Accessories apparatus for mancarried device |
| CN105533949A (en) * | 2016-01-26 | 2016-05-04 | 段元文 | Intelligent jewelry with information transmission function |
| CN106299823A (en) * | 2016-08-22 | 2017-01-04 | 广东小天才科技有限公司 | The method of attachment of stereo circuit and metalwork and LDS antenna |
| US10950941B2 (en) | 2016-11-21 | 2021-03-16 | Microsoft Technology Licensing, Llc | Conductive structural member acting as single-ended NFC antenna |
| WO2019120189A1 (en) * | 2017-12-18 | 2019-06-27 | 上海微电子装备（集团）股份有限公司 | Additive manufacturing mechanism and additive manufacturing method |
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Application publication date: 20091111 |