CN206401524U - Flexible circuit board antenna structure - Google Patents
Flexible circuit board antenna structure Download PDFInfo
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- CN206401524U CN206401524U CN201621354181.9U CN201621354181U CN206401524U CN 206401524 U CN206401524 U CN 206401524U CN 201621354181 U CN201621354181 U CN 201621354181U CN 206401524 U CN206401524 U CN 206401524U
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- pad
- coil
- circuit board
- flexible circuit
- antenna structure
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Abstract
A kind of flexible circuit board antenna structure, it include substrate, at least two coils for being incorporated into the surface of substrate one, be arranged on the side with coil of the substrate coating for being used to covering coil, the side that is arranged at multiple pads of each overhang and is arranged on remote the coil of coating and with least one zero Europe resistance of pad electric connection, every one zero Europe resistance connects two pads simultaneously, and two pads are separately positioned on two overhangs, the pad and zero Europe resistance coordinate together with the multiple coil electrical series.The flexible circuit board antenna structure cooperatively forms a kind of new jumper wire construction by pad and zero Europe resistance, the stray inductance of zero Europe resistance is small, electromagnetic interference is small, go for high-frequency circuit, and zero Europe resistance equivalent to very narrow current path, loop current can be effectively limited, noise is inhibited.
Description
Technical field
The utility model is related to a kind of flexible circuit board antenna structure.
Background technology
As electronics technology develops towards fine and product microminiaturization the direction of technology, it is desirable to which the volume of circuit board is as far as possible
It is small, more parts are set with the space increase saved using it, to meet the demand of the various functions to increasingly changing.
At present, NFC (Near Field Communication, close range wireless communication) antennas or WLC (WLANs
Controller) application of the antenna in the consumer electronics such as mobile phone be more and more extensive.However, at present in the flexible PCB of industry
NFC antenna and the maximum making difficult point of WLC antennas are that wire jumper is designed.NFC antenna and WLC antennas can be designed to single-ended day
Line, however, traditional single ended antenna is provided with jumper wire construction, and existing jumper wire construction is realized by via and electrically connected, and mistake
Hole does not only exist parasitic capacitance, can also cause the electromagnetic interference of circuit, to avoid electromagnetic interference, it is necessary to set balance electricity in addition
Road.NFC antenna and WLC antennas can also be designed to differential antennae, though however, differential antennae does not need circuit conversion, and its is right
The design of title can reduce the influence of electromagnetic interference, it also requires setting jumper wire construction, it, which is generally required, is designed to dual platen, profit
Wire jumper is carried out with via.However, traditional jumper has office in terms of production process, high density layouts, production efficiency
It is sex-limited.
Utility model content
In view of this, it is necessary to a kind of new flexible circuit board antenna structure is provided, to solve the above problems.
A kind of flexible circuit board antenna structure, it include substrate, at least two coils for being incorporated into the surface of substrate one and
The coating that the side with coil of substrate is used to cover coil is arranged on, the flexible circuit board antenna structure also includes setting
The side of the multiple pads for being placed in each overhang and the remote coil for being arranged on coating and with pad be electrically connected with
At least one zero Europe resistance, every one zero Europe resistance connects two pads simultaneously, and two pads are separately positioned on two coils
End, the pad and zero Europe resistance coordinate together with the multiple coil electrical series.
It is preferred that, the quantity of the coil is n, and the quantity of the pad is 2n, and the number of zero Europe resistance is
N-1, wherein, n is the integer more than 1.
It is preferred that, an opening is provided with each pad of correspondence of the coating, the pad is naked by the opening
Dew.
It is preferred that, the coating includes being bonded in the adhesive layer on the surface with coil of substrate and to be incorporated into this gluing
The cover layer of the remote coil surface of layer.
It is preferred that, the material of the pad is nickel and gold.
It is preferred that, zero Europe resistance has two connection ends, and each connection end is fixed on a pad.
It is preferred that, the flexible circuit board antenna structure also includes multiple electric connection pieces, and each electric connection piece is set
Between a pad and a connection end, for connection end to be electrically connected at into pad.
It is preferred that, the material for being electrically connected with piece is scolding tin.
It is preferred that, zero Europe resistance is the Europe resistance of pin-type zero or the Europe resistance of patch-type zero.
Flexible circuit board antenna structure of the present utility model, by setting pad in overhang, and passes through pad
The opening of coating is exposed, then by be electrically connected with piece by two connection ends of every one zero Europe resistance respectively with two coils
One pad is electrically connected with, and it cooperatively forms a kind of new jumper wire construction by pad and zero Europe resistance, makes the flexible PCB
Do not include the via in general jumper wire construction, and stray inductance of the stray inductance than via of zero Europe resistance in antenna structure
Small, electromagnetic interference is small, goes for high-frequency circuit.And zero Europe resistance equivalent to very narrow current path, can effectively limit
Loop current processed, makes noise be inhibited.
Brief description of the drawings
Fig. 1 is the top view of the flexible circuit board antenna structure of the utility model first embodiment.
Showing after the flexible circuit board antenna structure removal coating of Fig. 2 the utility model first embodiments and zero Europe resistance
It is intended to.
Fig. 3 is the schematic cross-section along III-III directions of the flexible circuit board antenna structure shown in Fig. 1.
Fig. 4 is the top view of the flexible circuit board antenna structure of the utility model second embodiment.
Fig. 5 is removed after coating and zero Europe resistance for the flexible circuit board antenna structure of the utility model second embodiment
Schematic diagram.
Main element symbol description
Flexible circuit board antenna structure 100,100a
Substrate 10
Coil 20,20a, 20b, 20c, 20d, 20e
Annulus 21
Extension 22
Coating 30
Opening 301
Adhesive layer 31
Cover layer 32
Pad 40
Zero Europe resistance 50
Connection end 51
It is electrically connected with piece 60
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
Embodiment
Fig. 1~5 are referred to, the utility model provides a kind of flexible circuit board antenna structure 100, and it can be NFC antenna
Or WLC antennas, it is used for the flexible PCB (not shown) of the electronic installations such as computer, mobile phone, electronic reader, intelligent watch
In.
The flexible circuit board antenna structure 100 includes substrate 10, is incorporated at least two lines on the surface of substrate 10 1
Enclose 20, be arranged on the side with coil 20 of substrate 10 for covering the coating 30 of coil 20, being arranged at each coil 20
End multiple pads 40 and be arranged on coating 30 remote coil 20 side and with pad 40 be electrically connected with least
One zero Europe resistance 50.Every one zero Europe resistance 50 connects two pads 40 simultaneously, and two pads 40 are separately positioned on two lines
The end of circle 20.The pad 40 and zero Europe resistance 50 coordinate together with the multiple electrical series of coil 20.
It is preferred that, the quantity of the coil 20 is n, and the quantity of the pad 40 is 2n, zero Europe resistance 50
Number is n-1, wherein, n is the integer more than 1.
The coil 20 is formed by wire, and the pad 40 is arranged on two ends of each wire.The coil 20
Material is the conducting metal that copper, aluminium, gold, silver, iron etc. are usually used in circuit board.
In an at least embodiment, the surface of initial substrate 10 is combined with a metal level (not shown), the coil 20
Obtained by etching the metal level.It should be understood that in other embodiments, the coil 20 can also shape otherwise
Into the surface in substrate 10.
An opening 301 is provided with each pad 40 of correspondence of the coating 30, pad 40 is naked by the opening 301
Dew.
The coating 30 includes being bonded in the adhesive layer 31 on the surface with coil 20 of substrate 10 and is incorporated into the glue
The cover layer 32 on the surface of remote coil 20 of adhesion coating 31.It should be understood that in other embodiments, the coating 30 can also be wrapped
Include other feature film layers.
The material of the adhesive layer 31 can be usually used in the sticky material of circuit board for polyimides (PI), epoxy resin etc.
Material.
The material of the cover layer 32 can for anti-solder ink, polyester fiber, polyethylene terephthalate (PET),
Polyethylene terephthalate (PEN) etc. is usually used in the covering membrane material of circuit board.
The material of the pad 40 is nickel and gold.It should be understood that in other embodiments, the material of the pad 40 can
Think other arbitrary conducting metals.The pad 40 not being connected in the multiple pad 40 with zero Europe resistance 50 is used for other companies
Connect, be such as electrically connected with other element (not shown).
Zero Europe resistance 50 has two connection ends 51.Two connection ends 51 of every one zero Europe resistance 50 electrically connect respectively
It is connected on two pads 40, and two pads 40 are separately positioned on the end of two coils 20.
Zero Europe resistance 50 can be the Europe resistance of pin-type zero or the Europe resistance of patch-type zero.The zero Europe resistance 50 equivalent to
Very narrow current path, can effectively limit loop current, noise is inhibited.And zero Europe resistance 50 stray inductance ratio
The stray inductance of general via is small, and electromagnetic interference is small, goes for high-frequency circuit.It should be understood that in other embodiments
In, the zero Europe resistance 50 can also be replaced with other conductive elements, as long as two coils 20 can be electrically connected with.
The flexible circuit board antenna structure 100 also includes multiple electric connection pieces 60, and each electric connection piece 60 is set
Between a pad 40 and a connection end 51, for connection end 51 to be electrically connected at into pad 40.The electric connection piece 60
Formed when connection end 51 is welded on pad 40 using scolding tin, the material for being electrically connected with piece 60 is scolding tin.It can manage
Solution, in other embodiments, the material for being electrically connected with piece can be other electrically conductive and can consolidate connection end 51
It is connected on the material on pad 40.
The utility model is described further below by two embodiments.
Please refer to Fig. 1~3, the flexible circuit board antenna structure 100a coils 20 of the utility model first embodiment
Quantity be 5, the quantity of pad 40 is 10, and the quantity of zero Europe resistance 50 is 4.For ease of description, respectively by 5 lines
Circle is named as first coil 20a, the second coil 20b, tertiary coil 20c, the 4th coil 20d and the 5th coil 20e.The First Line
Enclosing 20a includes the extension 22 of annulus 21 and one.The annulus 21 is substantially in the annular of non-closed loop.Second coil 20b is surrounded
First coil 20a annulus 21 is set, and tertiary coil 20c is set around second coil 20b, the 4th coil 20d
Set around tertiary coil 20c, the 5th coil 20e is arranged on the outside in the region that the 4th coil 20d is surrounded, and should
First coil 20a pad 40 and the second coil 20b positioned at annulus 21 pad 40 is oppositely arranged, second coil
One pad 40 of 20b another pad 40 and tertiary coil 20c is oppositely arranged, tertiary coil 20c another pad 40 and
A four coil 20d pad 40 is oppositely arranged, the 4th coil 20d coil 20e of another pad 40 and the 5th pad 40
It is oppositely arranged.Four groups of pads 40 facing each other cooperatively form an interspace, and the extension 22 is extended by the gap
To the outside in the 4th coil 20d regions surrounded.The 4 zero Europe resistance 50 is separately positioned on each group of weldering facing each other
On disk 40, i.e., the pad 40 that each two is oppositely arranged is electrically connected by one zero Europe resistance 50.It is described not with zero Europe
Two pads 40 that resistance 50 is connected are used for other connections.
Please refer to Fig. 4~5, the coil 20 of flexible circuit board antenna structure 100 of the utility model second embodiment
Quantity be 2, the quantity of pad 40 is 4, and the quantity of zero Europe resistance 50 is 1.A wherein coil 20 is that length is longer
Long loop, the coil 20 is formed centered on wherein one end around extension, and two pads 40 1 on the coil 20 are located at line
The inner side of circle 20, an outer ledge positioned at coil 20.Another coil 20 is the shorter short coil of length, the coil 20
It is shaped as simple straight line.One of connection end 51 of zero Europe resistance 50 is electrically connected at length by being electrically connected with piece 60
On the pad 40 of the inner side of coil, another connection end 51 is electrically connected at a pad of short coil by being electrically connected with piece 60
On 40.Two pads 40 not being connected with zero Europe resistance 50 are used for other connections.
It should be understood that in other embodiments, at least two coils 20 can be other arbitrary shapes, can be to appoint
The combination of meaning form.
The flexible circuit board antenna structure 100 passes through pad 40 by setting pad 40 in the end of coil 20
The opening 301 of coating 30 is exposed, is then distinguished two connection ends 51 of every one zero Europe resistance 50 by being electrically connected with piece 60
It is electrically connected with a pad 40 of two coils 20, it cooperatively forms a kind of new wire jumper by the Europe resistance 50 of pad 40 and zero
Structure, make in the flexible circuit board antenna structure 100 not include the via in general jumper wire construction, and zero Europe resistance 50 is posted
Raw inductance is smaller than the stray inductance of via, and electromagnetic interference is small, goes for high-frequency circuit.And zero Europe resistance 50 equivalent to very narrow
Current path, can effectively limit loop current, noise is inhibited.
Claims (9)
1. a kind of flexible circuit board antenna structure, it includes substrate, at least two coils for being incorporated into the surface of substrate one and set
Put the coating for being used to cover coil in the side with coil of substrate, it is characterised in that：The flexible circuit board antenna knot
Structure also includes the side for the remote coil for being arranged at multiple pads of each overhang and being arranged on coating and and pad
At least one zero Europe resistance being electrically connected with, every one zero Europe resistance connects two pads simultaneously, and two pads are separately positioned on
Two overhangs, the pad and zero Europe resistance coordinate together with the multiple coil electrical series.
2. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：The quantity of the coil is n, described
The quantity of pad is 2n, and the number of zero Europe resistance is n-1, wherein, n is the integer more than 1.
3. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：The each pad of correspondence of the coating
Place is provided with an opening, and the pad is exposed by the opening.
4. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：The coating includes being bonded in substrate
The surface with coil adhesive layer and be incorporated into the adhesive layer remote coil surface cover layer.
5. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：The material of the pad is nickel and gold.
6. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：Zero Europe resistance has two connections
End, each connection end is fixed on a pad.
7. flexible circuit board antenna structure as claimed in claim 6, it is characterised in that：The flexible circuit board antenna structure is also
Including multiple electric connection pieces, each electric connection piece is arranged between a pad and a connection end, for connection end is electrical
It is connected on pad.
8. flexible circuit board antenna structure as claimed in claim 7, it is characterised in that：The material for being electrically connected with piece is weldering
Tin.
9. flexible circuit board antenna structure as claimed in claim 1, it is characterised in that：Zero Europe resistance is the Europe of pin-type zero
Resistance or the Europe resistance of patch-type zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354181.9U CN206401524U (en) | 2016-12-10 | 2016-12-10 | Flexible circuit board antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354181.9U CN206401524U (en) | 2016-12-10 | 2016-12-10 | Flexible circuit board antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401524U true CN206401524U (en) | 2017-08-11 |
Family
ID=59508720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354181.9U Active CN206401524U (en) | 2016-12-10 | 2016-12-10 | Flexible circuit board antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509375A (en) * | 2019-12-18 | 2020-08-07 | 数码服装有限公司 | Textile material based near field communication wireless communication system |
| WO2023184300A1 (en) * | 2022-03-31 | 2023-10-05 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
-
2016
- 2016-12-10 CN CN201621354181.9U patent/CN206401524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509375A (en) * | 2019-12-18 | 2020-08-07 | 数码服装有限公司 | Textile material based near field communication wireless communication system |
| WO2023184300A1 (en) * | 2022-03-31 | 2023-10-05 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
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