CN105826664A - Method for making antenna and antenna structure - Google Patents
Method for making antenna and antenna structure Download PDFInfo
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- CN105826664A CN105826664A CN201510566796.1A CN201510566796A CN105826664A CN 105826664 A CN105826664 A CN 105826664A CN 201510566796 A CN201510566796 A CN 201510566796A CN 105826664 A CN105826664 A CN 105826664A
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- antenna
- circuit board
- ferrite sheet
- flexible circuit
- pure glue
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Abstract
The present invention provides a method for making an antenna and an antenna structure. The method comprises a step of processing a set circuit on a flexible circuit board substrate so as to generate a flexible circuit board, a step of processing a ferrite sheet whose size is matched with the size of the flexible circuit board, and a step of using pure glue to allow the flexible circuit board and the ferrite sheet to be in press fit. Through the method for making an antenna provided by the invention, the thickness of antenna can be reduced, and the production process of the antenna can be simplified at the same time.
Description
Technical field
The present invention relates to antenna manufacture technology field, particularly relate to a kind of method making antenna and antenna structure.
Background technology
NFC (NearFieldCommunication, near field communication (NFC)) is a kind of non contact angle measurement for close-distance safety communication and interconnection technique.Compared with NFC and other short-distance wireless communication technologies such as infrared ray, Bluetooth i.e. bluetooth etc., there is the advantages such as safety is high, power consumption is extremely low, transaction is quick.Moreover, the electronic equipment supporting NFC function is paying (shop, dining room by mails, transport services business, gas station, convenience store etc.), data transmission, identification (gate inhibition's control, admission ticket etc.) etc. aspect have a wide range of applications, change the life style of people；Therefore increasing electronic equipment starts to support NFC function.
Those skilled in the art can understand, the NFC function of electronic equipment realizes based on NFC antenna.And the production of NFC antenna now, first, make FPC (FlexiblePrintedCircuit, flexible PCB) and ferrite sheet；Secondly, at the surface pressing coverlay (wherein, coverlay includes: epiphragma glue-line and polyimides epiphragma layer i.e. epiphragma PI layer) of FPC；Finally, then by coverlay it is combined by double faced adhesive tape with ferrite sheet.It is to say, the structure after FPC is combined with ferrite sheet in existing NFC antenna is: FPC layer, cover layer, layers of two-sided, ferrite layer.
Existing antenna manufacturing method has a following both sides problem: first, and the NFC antenna thickness that above-mentioned existing structural grouping becomes is thicker, it is impossible to meet the demand at present to electronic product slimmings such as mobile phones；Second, owing to stepped construction is complicated, therefore, technique Making programme is complicated.
Summary of the invention
The present invention provides a kind of antenna manufacturing method and antenna structure, to solve the problem that antenna thickness is thick, antenna stack technique Making programme is complicated that existing antenna manufacturing method exists.
In order to solve the problems referred to above, the invention discloses a kind of antenna manufacturing method, described method includes: process the circuit of setting on flexible circuitry plate substrate, to generate flexible circuit board；The ferrite sheet that processing matches with described flexible circuitry board size；And, use pure glue that described flexible circuit board and described ferrite sheet are carried out pressing, to generate described antenna.
In order to solve the problems referred to above, the invention also discloses a kind of antenna structure, described antenna structure includes being cascading: flexible circuit board, pure glue-line and the ferrite sheet matched with described flexible circuitry board size；First of described pure glue-line is combined with described flexible circuit board, and described pure glue-line is combined with described ferrite sheet with described first relative second.
Compared with prior art, the present invention includes advantages below:
The antenna manufacturing method of embodiment of the present invention offer and antenna structure, directly the FPC ferrite sheet of making is carried out pressing by pure glue, the antenna structure i.e. generated only includes FPC, pure glue-line, ferrite sheet three layers, antenna in the embodiment of the present invention uses pure glue-line to instead of the cover layer in the line produced by existing antenna manufacturing method and layers of two-sided, not only it is thinned the thickness of antenna, and also simplify the technique Making programme of antenna.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of a kind of antenna manufacturing method of according to embodiments of the present invention；
Fig. 2 is the structure chart of the antenna using the antenna manufacturing method in embodiment one to prepare；
Fig. 3 is the flow chart of steps of a kind of antenna manufacturing method of according to embodiments of the present invention two；
Fig. 4 is the structure chart of the antenna using the antenna manufacturing method in embodiment two to prepare.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Embodiment one
With reference to Fig. 1, it is shown that the flow chart of steps of a kind of antenna manufacturing method of the embodiment of the present invention one.The antenna manufacturing method of the embodiment of the present invention comprises the following steps:
Step S102: process the circuit of setting on FPC base material, to generate FPC.
Wherein, the size of FPC base material and the needs circuit of processing on base material all can be set by those skilled in the art according to the actual requirements, and this is not specifically limited by the embodiment of the present invention.
The making of FPC is referred to its related production and makes, and this is not specifically limited by the embodiment of the present invention.
Preferably, can use following manufacture method generate FPC:
The FPC base material that S1: cutting is sized；
S2: hole of holing on FPC base material, and metal-coated membrane on the hole wall of hole；
S3: the circuit set in the Surface Machining boring pertusate FPC base material, to generate FPC.
Step S104: the ferrite sheet that processing matches with FPC size.
The making of ferrite sheet is referred to its related production and makes, and this is not specifically limited by the embodiment of the present invention.
It should be noted that step S102 there is no dividing of sequencing with step S104 when performing, the two can be with executed in parallel.
Step S106: use pure glue that FPC is carried out pressing, to generate antenna with ferrite sheet.
When carrying out pressing, high-temperature laminating machine can be used to realize.Specifically, the back side of the one side and ferrite sheet that FPC need to be provided with circuit aligns, and then pure glue on film on relative the two face, carries out pressing.
The structure of the antenna produced by above-mentioned antenna manufacturing method is as shown in Figure 2.
Antenna structure includes the FPC201 being cascading, pure glue-line 202 and the ferrite sheet 203 matched with FPC201 size.Wherein, the first face 2021 of pure glue-line contacts with FPC201, and pure glue-line and first the second relative face 2022 contact with ferrite sheet 203.And FPC201 is by generating after processing the circuit of setting on FPC base material.
It is to say, the structure of the antenna generated specifically includes: FPC201, pure glue-line 202, ferrite sheet 203.
The antenna structure that the embodiment of the present invention provides, compared to existing antenna structure, eliminates the use of coverlay, and uses pure glue to instead of in existing antenna structure for the double faced adhesive tape pasted, be effectively thinned the thickness of antenna.Additionally, the cancellation of coverlay, the technique Making programme of antenna can be simplified, reduce the human and material resources cost during antenna produces.
The antenna manufacturing method provided by the embodiment of the present invention, directly the FPC of making is carried out pressing with ferrite sheet by pure glue, the antenna structure i.e. generated only includes FPC, pure glue-line, ferrite sheet three layers, antenna in the embodiment of the present invention uses pure glue-line to instead of the cover layer in the line produced by existing antenna manufacturing method and layers of two-sided, the thickness being not only thinned antenna is also incited somebody to action, and simplifies the technique Making programme of antenna.
Embodiment two
With reference to Fig. 3, it is shown that the flow chart of steps of a kind of antenna manufacturing method of the embodiment of the present invention two.
The antenna manufacturing method of the embodiment of the present invention specifically includes following steps:
Step S302: the FPC base material that cutting is sized.
Make FPC first step sawing sheet, particularly as follows: the FPC base material cutting of package is become suitably sized, i.e. cut out the FPC base material being sized.
It should be noted that during implementing, prepared in advance and met the FPC base material of size then without performing step S302 again.
Step S304: hole of holing on FPC base material, and metal-coated membrane on the hole wall of hole.
Make the boring of FPC second step and electroplating hole copper, particularly as follows: hole on FPC base material by the way of machining or Laser Processing, then on hole wall, plate layer of metal film by modes such as plating, to realize the conducting of the positive and negative circuit of FPC.
It should be noted that this metal film can be the wire film of the most suitably material.Such as: copper film, ferrum film etc..
It should be noted that the embodiment of the present invention is the explanation carried out as a example by making two-sided cabling FPC, in concrete manufacturing process, if making one side cabling FPC, then without hole of holing on FPC base material, and metal-coated membrane on the hole wall of hole.That is, make one side cabling FPC to be performed without step S304, and the circuit directly set in the Surface Machining of FPC base material.Step S306: the circuit set in the Surface Machining boring pertusate FPC base material.
Make the processing of FPC the 3rd step line pattern, particularly as follows: by patch dry film, expose, develop, etch and go the serial flow process of dry film to process the line pattern of design in the upper and lower surface of FPC base material, on FPC base material, i.e. print the circuit of setting.
It should be noted that the concrete processing mode for line pattern is referred to correlation technique realization, this is not specifically limited by the embodiment of the present invention.
Step S308: at the plated surface protective filmy layer of the circuit set, generates FPC.
Make FPC the 4th step circuit surface to process, particularly as follows: at the circuit surface deposition protecting film set by the way of chemical deposition, protecting film can be the protective metal film of following arbitrary material: nickel gold, silver or stannum；Or, at the circuit surface plating protecting film set by the way of plating.
It should be noted that the protecting film plated at circuit surface is not limited to protective metal film, it is also possible to being the thin film of OSP material, wherein, OSP i.e. organic solderability preservative, also known as copper-protection agent.During implementing, it is also possible to do not make this layer of protecting film, but directly perform step S310.
In the present embodiment, step S302 to step S308 is the making step of FPC.
Step S310: the ferrite sheet that processing matches with FPC size.
Pass sequentially through iron powder stirring, iron powder is coated with, sinters, crushes, stamp technological process, is processed into the ferrite sheet matched with described FPC size.
It should be noted that for the making of FPC and the making of ferrite sheet, there is no sequencing, when making, the making of FPC and the making of ferrite sheet can also perform simultaneously.
Step S312: cover pure glue in the one side with ferrite sheet laminating of FPC.
It should be noted that pure glue is not limited to cover on FPC, during implementing, pure glue can also cover in the one side of ferrite sheet and FPC laminating, it is, of course, also possible to all cover pure glue at FPC on the face of ferrite sheet laminating.
Pure glue has two kinds of forms: liquid and semi-solid preparation state, according to the pure glue of liquid, then pure glue is applied in be covered upper, according to the pure glue of semi-solid preparation state, then pure glue and to be covered are fitted.
Step S314: by high-temperature hot press, the FPC and ferrite sheet that are coated with pure glue are carried out pressing, generate antenna.
In this step, by high-temperature hot press, the FPC and ferrite sheet that are coated with pure glue are carried out pressing, be integral type structure by FPC and ferrite sheet pressing.
The antenna completed by above-mentioned production method is i.e. packed shipment after performance test, outward appearance detection.
The structure of the antenna produced by above-mentioned antenna manufacturing method is as shown in Figure 4.
Antenna structure includes the FPC301 being cascading, pure glue-line 303 and the ferrite sheet 304 matched with FPC size.Wherein, FPC301 is the FPC generated after processing circuit on FPC base material.It should be noted that, in the embodiment of the present invention, FPC301 also includes a protecting film 302, and protecting film 302 is formed at FPC301 to be had on the outer surface of circuit, and circuit can be played protective effect effectively by this protecting film.Protecting film 302 contacts with pure glue-line 303,
It is to say, use the antenna manufacturing method that the embodiment of the present invention provides, the structure of made antenna out includes: FPC301, pure glue-line 303, ferrite sheet 304.
The antenna manufacturing method provided by the embodiment of the present invention makes antenna, in addition to the antenna manufacturing method having in embodiment one is had the advantage that, owing on the surface of FPC circuit, preparation has protecting film, therefore, it is possible to promote the non-oxidizability of antenna, the circuit of antenna can also be avoided to be damaged by the external world.
For aforesaid each method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Each embodiment in this specification all uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
Finally, it can further be stated that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, commodity or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, commodity or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, commodity or equipment.
Above to a kind of antenna manufacturing method provided by the present invention and antenna structure, it is described in detail, principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, the most all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. an antenna manufacturing method, it is characterised in that including:
Flexible circuitry plate substrate is processed the circuit of setting, to generate flexible circuit board；
The ferrite sheet that processing matches with described flexible circuitry board size；And,
Use pure glue that described flexible circuit board and described ferrite sheet are carried out pressing, to generate described antenna.
Antenna manufacturing method the most according to claim 1, it is characterised in that the described circuit processing setting on flexible circuitry plate substrate, includes generating the step of flexible circuit board:
The flexible circuitry plate substrate that cutting is sized；
Boring hole on described flexible circuitry plate substrate, and metal-coated membrane on the hole wall of described hole；
At the circuit that the Surface Machining boring pertusate described flexible circuitry plate substrate sets, to generate flexible circuit board.
Antenna manufacturing method the most according to claim 2, it is characterised in that described after the step of the circuit of the Surface Machining setting of the pertusate described flexible circuitry plate substrate of brill, described method also includes:
Plated surface protective filmy layer at the circuit of described setting.
Antenna manufacturing method the most according to claim 3, it is characterised in that the step of the plated surface protective filmy layer of the described circuit in described setting includes:
By the way of chemical deposition, the circuit surface in described setting deposits protecting film, and the material of described protecting film is the one in nickel gold, silver, stannum or OSP.
Antenna manufacturing method the most according to claim 3, it is characterized in that, the step of the plated surface protective filmy layer of the described circuit in described setting includes: by the way of plating, the circuit surface in described setting plates protecting film, and the material of described protecting film is the one in nickel gold, silver, stannum or OSP.
Antenna manufacturing method the most according to claim 1, it is characterised in that the step that described flexible circuit board and described ferrite sheet carry out pressing is included by the pure glue of described employing:
The one side of described flexible circuit board and described ferrite sheet laminating covers pure glue；
By high-temperature hot press, the described flexible circuit board and described ferrite sheet that are coated with pure glue are carried out pressing.
7. according to the antenna manufacturing method described in any one of claim 1-6, it is characterised in that described processing includes with the step of the ferrite sheet that described flexible circuit board substrate sizes matches:
Pass sequentially through iron powder stirring, iron powder is coated with, sinters, crushes, stamp technological process, is processed into the ferrite sheet matched with described flexible circuit board substrate sizes.
8. an antenna structure, it is characterised in that include being cascading:
Flexible circuit board, pure glue-line and the ferrite sheet matched with described flexible circuitry board size；
First of described pure glue-line contacts with described flexible circuit board, and described pure glue-line contacts with described ferrite sheet with described first relative second.
Antenna structure the most according to claim 8, it is characterised in that described flexible circuit board is additionally provided with protective filmy layer, and described protecting film is formed at described flexible circuit board to be had on the outer surface of circuit, and first of described protecting film and described pure glue-line contact.
Antenna structure the most according to claim 9, it is characterised in that the material of described protecting film is the one in nickel gold, silver, stannum or OSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510566796.1A CN105826664A (en) | 2015-09-07 | 2015-09-07 | Method for making antenna and antenna structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566796.1A CN105826664A (en) | 2015-09-07 | 2015-09-07 | Method for making antenna and antenna structure |
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| CN105826664A true CN105826664A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510566796.1A Pending CN105826664A (en) | 2015-09-07 | 2015-09-07 | Method for making antenna and antenna structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110137679A (en) * | 2019-05-13 | 2019-08-16 | 湖南韩顺电子科技有限公司 | A kind of NFC antenna device and its manufacturing method |
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Application publication date: 20160803 |