CN105048084B - A kind of mixed type NFC antenna and production method - Google Patents
A kind of mixed type NFC antenna and production method Download PDFInfo
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- CN105048084B CN105048084B CN201510431262.8A CN201510431262A CN105048084B CN 105048084 B CN105048084 B CN 105048084B CN 201510431262 A CN201510431262 A CN 201510431262A CN 105048084 B CN105048084 B CN 105048084B
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Abstract
The present invention discloses a kind of mixed type NFC antenna and production method, and mixed type NFC antenna includes ultrathin antenna, slave antenna；Ultrathin antenna includes the antenna radiator of first polymer thin slice and printing thereon；Antenna radiator includes antenna port；Slave antenna includes the feeder of second polymer thin slice and printing thereon；Slave antenna is located above antenna radiator, and feeder one end is connected with antenna port, and the other end is connected to cell phone mainboard, and slave antenna is engaged in the junction of feeder and antenna port with ultrathin antenna.The present invention can reduce the thickness of antenna entirety on the premise of radio-frequency performance is ensured, can more be applicable in the requirement of ultra thin handset structure design, and antenna is made less, and uses aluminum printed wire, lower by 30% than existing two-sided paving copper FPCB costs.
Description
Technical field
The present invention relates to field of antenna, more particularly to a kind of NFC antenna and production method.
Background technology
NFC (Near Field Communication) antenna has been subject to extensively with the development of mobile-phone payment function
Research and application.A variety of antenna models are at home and abroad proposed dedicated for the NFC antenna of mobile-phone payment function, are applied to
The mobile phone and different performance indicators of different styles and type.But as mobile phone develops towards more slim direction, to NFC days
The structure of line proposes the requirement of higher.Traditional NFC antenna, by two-sided paving copper FPCB（Flexible PCB）+Ferrite（Iron
Oxysome）Composition, antenna integral thickness cannot meet mobile phone integrally slim requirement gradually generally in more than 0.37mm.
The content of the invention
To solve the above problems, the present invention discloses a kind of mixed type NFC antenna, including ultrathin antenna, slave antenna；It is described super
Thin antenna includes first polymer thin slice and the antenna radiator being printed on first polymer thin slice；The antenna radiator
Including antenna port；The slave antenna includes second polymer thin slice and the antenna feed being printed on second polymer thin slice
Line, slave antenna are located above antenna radiator, and feeder one end is connected with antenna port, and the other end is connected to cell phone mainboard,
Slave antenna is engaged in the junction of feeder and antenna port with ultrathin antenna.
Preferably, the slave antenna, which further includes, is printed in first line on second polymer thin slice, the second circuit；Described
One circuit, the second circuit are located at the junction surface of slave antenna and ultrathin antenna, and are distributed in feeder both sides, to strengthen slave antenna
With the toughness at ultrathin antenna junction surface, it is set to be not easy to be torn.
Preferably, ferrite lamina is further included, the ferrite lamina is overlying on strong to increase magnetic field above antenna radiator
Degree, ferrite lamina be generally aligned in the same plane with slave antenna and it is not overlapping with slave antenna to avoid increase antenna integral thickness.
Preferably, the first polymer thin slice and second polymer thin slice use polyimide resin.
Preferably, the antenna radiator, feeder, first line, the second circuit are aluminum.
The production method of the mixed type NFC antenna, including step：
Design drawing printed antenna radiator is pressed on first polymer thin slice, as ultrathin antenna；
By design drawing printed antenna feeder line, first line, the second circuit on second polymer thin slice, as secondary day
Line；
Using fillet Welding（The ultrathin antenna and slave antenna of whole plate are put on fixture, carried out temporarily with hot press
Pinpoint weld seam）, the antenna port on one end and antenna radiator of feeder is electrically connected；
Using heat pressing process, slave antenna and ultrathin antenna are engaged in the junction of feeder and antenna port；
Ferrite lamina is overlying on above antenna radiator, and add between ferrite lamina and ultrathin antenna auxiliary material into
Row lamination engagement；Ferrite lamina is generally aligned in the same plane and not overlapping with slave antenna with slave antenna；
Sharp processing is carried out by design drawing, NFC antenna finished product is made.
Preferably, the auxiliary material includes adhesive tape, release liners.
Mixed type NFC antenna disclosed by the invention can substantially reduce antenna entirety on the premise of radio-frequency performance is ensured
Thickness, can more be applicable in the requirement of ultra thin handset structure design, and antenna is made less, and uses aluminum printed wire, than
Existing two-sided paving copper FPCB costs low 30%.
Brief description of the drawings
Fig. 1 is ultrathin antenna and slave antenna engagement schematic diagram.
Fig. 2 is covered with the mixed type NFC antenna schematic diagram of ferrite lamina.
Fig. 3 is the production method flow chart of mixed type NFC antenna.
Embodiment
The technology contents of the present invention are understood for convenience of those skilled in the art, with reference to the accompanying drawings and embodiments to this hair
It is bright to be described in further detail.
As shown in Figure 1, ultrathin antenna 1 includes first polymer thin slice and the antenna being printed on first polymer thin slice
Radiator 11；Antenna radiator 11 includes antenna port 12；Slave antenna 2 includes second polymer thin slice and to be printed in second poly-
Feeder 21 on compound thin slice, first polymer thin slice and second polymer thin slice use polyimide resin;Slave antenna 2
Above antenna radiator 11,21 one end of feeder is connected with antenna port 12, and the other end is connected to cell phone mainboard, secondary day
Line 2 is engaged in the junction of feeder 21 and antenna port 12 with ultrathin antenna 1.Slave antenna 2 further includes that to be printed in second poly-
First line 22, the second circuit 23 on compound thin slice；The first line 22, the second circuit 23 are located at slave antenna 2 and ultra-thin day
The junction surface of line 1, and 21 both sides of feeder are distributed in, to strengthen the toughness of slave antenna and ultrathin antenna junction surface, make it not
Easily it is torn.Antenna radiator 11, feeder 21, first line 22, the second circuit 23 are aluminum circuit to reduce cost.
As shown in Fig. 2, ferrite lamina 3 is overlying on the top of antenna radiator 11 to increase magnetic field intensity, ferrite lamina 3 with
Slave antenna 2 be generally aligned in the same plane and it is not overlapping with slave antenna 2 to avoid increase antenna integral thickness.
The production method of mixed type NFC antenna as shown in Figure 3, prints into row line, on first polymer thin slice first
By design drawing printed antenna radiator, as ultrathin antenna, presented on second polymer thin slice by design drawing printed antenna
Line, first line, the second circuit, as slave antenna；Then fillet Welding is used（The ultrathin antenna and slave antenna of whole plate
It is put on fixture, is carried out pinpointing weld seam temporarily with hot press）, by the antenna end on one end and antenna radiator of feeder
Mouth is electrically connected；Then heat pressing process is used, slave antenna and ultrathin antenna are engaged in feeder and antenna port
Junction；Then ferrite lamina is overlying on above antenna radiator, and added between ferrite lamina and ultrathin antenna auxiliary
Material carries out lamination engagement, it is important to note that ferrite lamina is not overlapping with slave antenna；Finally carry out sharp processing and NFC is made
Antenna finished product.
The one of which specific implementation of above-described embodiment only present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these obviously replace shape
Formula belongs to protection scope of the present invention.
Claims (2)
1. a kind of production method of mixed type NFC antenna, the mixed type NFC antenna includes ultrathin antenna, slave antenna；It is described super
Thin antenna includes first polymer thin slice and the antenna radiator being printed on first polymer thin slice；The antenna radiator
Including antenna port；The slave antenna includes second polymer thin slice and the antenna feed being printed on second polymer thin slice
Line, it is characterised in that：Slave antenna is located above antenna radiator, and feeder one end is connected with antenna port, other end connection
To cell phone mainboard, slave antenna is engaged in the junction of feeder and antenna port with ultrathin antenna；The slave antenna further includes
It is printed in first line on second polymer thin slice, the second circuit；The first line, the second circuit be located at slave antenna with it is ultra-thin
The junction surface of antenna, and feeder both sides are distributed in, to strengthen the toughness of slave antenna and ultrathin antenna junction surface, it is not easy it
It is torn；Ferrite lamina is further included, the ferrite lamina is overlying on above antenna radiator to increase magnetic field intensity, ferrite
Thin slice be generally aligned in the same plane with slave antenna and it is not overlapping with slave antenna to avoid increase antenna integral thickness；The first polymer
Thin slice and second polymer thin slice use polyimide resin；The antenna radiator, feeder, first line, the second line
Road is aluminum；It is characterised in that it includes step：
Design drawing printed antenna radiator is pressed on first polymer thin slice, as ultrathin antenna；
By design drawing printed antenna feeder line, first line, the second circuit on second polymer thin slice, as slave antenna；
Using fillet Welding, the antenna port on one end and antenna radiator of feeder is electrically connected；
Using heat pressing process, slave antenna and ultrathin antenna are engaged in the junction of feeder and antenna port；
Ferrite lamina is overlying on above antenna radiator, and adds auxiliary material between ferrite lamina and ultrathin antenna and carries out layer
Crimping is closed；Ferrite lamina is generally aligned in the same plane and not overlapping with slave antenna with slave antenna；
Sharp processing is carried out by design drawing, NFC antenna finished product is made.
2. the production method according to mixed type NFC antenna described in claim 1, it is characterised in that：The auxiliary material include adhesive tape, from
Type paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431262.8A CN105048084B (en) | 2015-07-22 | 2015-07-22 | A kind of mixed type NFC antenna and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431262.8A CN105048084B (en) | 2015-07-22 | 2015-07-22 | A kind of mixed type NFC antenna and production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105048084A CN105048084A (en) | 2015-11-11 |
| CN105048084B true CN105048084B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510431262.8A Active CN105048084B (en) | 2015-07-22 | 2015-07-22 | A kind of mixed type NFC antenna and production method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050779A (en) * | 2013-01-24 | 2013-04-17 | 青岛歌尔声学科技有限公司 | NFC (Near Field Communication) antenna, manufacturing method thereof and NFC communication device |
| CN103703616A (en) * | 2011-07-22 | 2014-04-02 | 日立金属株式会社 | Antenna |
| CN103904411A (en) * | 2012-12-26 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device with NFC antenna |
| CN204760541U (en) * | 2015-07-22 | 2015-11-11 | 惠州市睿德通讯科技有限公司 | Mixed type NFC antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102074947B1 (en) * | 2013-12-23 | 2020-02-07 | 삼성전자 주식회사 | NFC antenna module and NFC module including the same |
-
2015
- 2015-07-22 CN CN201510431262.8A patent/CN105048084B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103703616A (en) * | 2011-07-22 | 2014-04-02 | 日立金属株式会社 | Antenna |
| CN103904411A (en) * | 2012-12-26 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device with NFC antenna |
| CN103050779A (en) * | 2013-01-24 | 2013-04-17 | 青岛歌尔声学科技有限公司 | NFC (Near Field Communication) antenna, manufacturing method thereof and NFC communication device |
| CN204760541U (en) * | 2015-07-22 | 2015-11-11 | 惠州市睿德通讯科技有限公司 | Mixed type NFC antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105048084A (en) | 2015-11-11 |
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Effective date of registration: 20210817 Address after: 518000 workshop-401, No. 6, Zhangfeng Road, Dongfang community, Songgang street, Bao'an District, Shenzhen, Guangdong Province Patentee after: SHENZHEN RUIDE COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 516023 No. 288, Jinshi 7 Road, Xiaojinkou, Huizhou City, Guangdong Province Patentee before: ETHETA COMMUNICATION TECHNOLOGY (HUIZHOU) Ltd. |
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