CN107578843A - Flexible flat cable manufacture method - Google Patents
Flexible flat cable manufacture method Download PDFInfo
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- CN107578843A CN107578843A CN201610512202.3A CN201610512202A CN107578843A CN 107578843 A CN107578843 A CN 107578843A CN 201610512202 A CN201610512202 A CN 201610512202A CN 107578843 A CN107578843 A CN 107578843A
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- Prior art keywords
- wire rod
- flat cable
- flexible flat
- wire
- manufacture method
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Abstract
A kind of flexible flat cable manufacture method, its step include：One wire rod provides step, and it provides a plurality of first wire rod and the second wire rod, wherein every first wire rod is a flat metal wire, every second wire rod is another flat metal wire of one dielectric film of cladding；One selection distribution step, it is interconnected into the spaced conductor layer that is arranged parallel to each other according to selecting by those first wire rods and the second wire rod；And a hot pressing zygonema step, its using one second insulating barrier and one first insulating barrier respectively from upper and lower by conductor layer hot pressing integrator to form a flexible flat cable.
Description
Technical field
The present invention is on a kind of flexible flat cable manufacture method；The flexible flat of high frequency signal transmission is can be applied to especially in regard to a kind of
The manufacture method of flat cable.
Background technology
Flexible flat cable structure (Flexible Flat Cable), referred to as flexible flat cable or FFC, it is that one kind is insulated with PET
The data cable structure that material and a plurality of tin plating flat copper wire form through high-tech automation equipment production pressing.Flexible flat
Cable is a kind of signal transmission component, itself has the advantages that arbitrarily to bend, high RST transmittability, therefore extensive
Using in many electronic products.
General traditional flexible flat cable is subdivided into three-decker, is sequentially from top to bottom upper insulating barrier, conductor layer and lower insulating barrier
Stacking mode hot pressing form, this upper and lower insulating barrier includes the separation that is arranged parallel to each other in conductor layer all as made by PET material
The a plurality of flat copper wire set, and its end exposes to flexible flat cable both ends to form conductive junction point, this flexible flat cable
Conductive junction point can directly be overlapped in flat-cable connector, or by the conductive junction point of flexible flat cable be attached at insulation this
On body, then assembling iron-clad up and down again, on insulating body, can so form using the conductive junction point of flexible flat cable and be used as end
The connector construction of son.
Because people are more and more big for the demand of telecommunications, the signaling rate of electronic installation requires also more and more high, electricity
The developing trend of sub- technology is transmitted in high-frequency signal and high current.Therefore the requirement standard of the electrical characteristic of transmission line also and then improves,
Though there are coaxial cable development and application now in the electronic product of high frequency signal transmission, because its cost of manufacture and price are higher,
The requirement of consumer's low cost can not be met.Therefore just there is the dealer to attempt and coaxial cable is substituted with flexible flat cable, but it is existing
The electrical characteristic of modern flexible flat cable is but unable to reach requirement when high frequency uses.Therefore it is cheap simultaneously how to develop a kind of cost
And the transmission line of request signal transmission when high frequency uses can be reached, it is the problem of present invention is to be solved.
The content of the invention
Although note flexible flat cable have the advantages that arbitrarily to bend with high RST transmittability, be widely used in many
In electronic product, but it is intended to the use environment of high frequency signal transmission in electronic technology development now, notes flexible flat cable
Signal transmission be unable to reach characteristic requirements when high frequency uses, therefore it is impossible to meet the demand in market.
The flexible flat cable manufacture method of the present invention, its step include：One wire rod provides step, and it provides a plurality of first wire rod
With the second wire rod, wherein every first wire rod is a flat metal wire, every second wire rod is another flat for one dielectric film of cladding
Flat metal wire；One selection distribution step, its by those first wire rods and the second wire rod according to option and installment between being arranged parallel to each other
Every a conductor layer of setting；And a hot pressing zygonema step, it is using one second insulating barrier with one first insulating barrier respectively from upper and lower
Side is by conductor layer hot pressing integrator to form a flexible flat cable.
The flexible flat cable manufacture method provided of the present invention, it is using one dielectric film of cladding in transmitting high-frequency signal
Flat metal wire periphery, because dielectric film can reduce dielectric constant so that flexible flat cable meets electricity when high frequency uses
Gas characteristic requirements, can so solve to note flexible flat cable the requirement being unable to reach when high frequency uses and it is impossible to meet
The problem of market demand.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the flexible flat cable of the present invention.
Fig. 2 is the partial cutaway schematic view of Fig. 1 flexible flat cable.
Fig. 3 is the schematic flow sheet of the flexible flat cable manufacture method of the present invention.
Fig. 4 is the schematic flow sheet of the selection distribution step of the flexible flat cable manufacture method of the present invention.
Reference numerals explanation：
1 flexible flat cable
11 first insulating barriers
12 first glue-lines
13 conductor layers
131 flat metal wires
132 signal wires
133 ground wires
134 dielectric films
135 contacts
14 second glue-lines
15 second insulating barriers
21 wire rods provide step
22 selection distribution steps
221 signal definition steps
222 option and installment steps
223 identification difference steps
23 processing are except material step
24 check discrimination step
25 hot pressing zygonema steps
Embodiment
Refer to shown in Fig. 1 to Fig. 2, for the preferred embodiment of the flexible flat cable structure of the present invention, this flexible flat cable 1
Include one first insulating barrier 11, one first glue-line 12, a conductor layer 13, one second glue-line 14 and one second insulating barrier 15.
First glue-line 12 is arranged on the first insulating barrier 11, and in the present embodiment, this first glue-line 12 is made up of insulating cement,
First insulating barrier 11 is PET (PET) layer, and conductor layer 13 is arranged on the first glue-line 12, this wire
Layer 13 includes the spaced a plurality of flat metal wire 131 that is arranged parallel to each other, and wherein this little flat metal wire 131 include
The a plurality of signal wire 132 to transmission signal and a plurality of ground wire 133 to be grounded, due in the present embodiment, signal wire
132 be used for transmitting high-frequency signal, therefore protects high-frequency signal, the second glue-line in the peripheral coated insulation film 134 of signal wire 132
14 are arranged on conductor layer 13, and the second insulating barrier 15 is arranged on the second glue-line 14, and this second glue-line 14 is insulating cement institute structure
Into the second insulating barrier 15 is PET (PET) layer.
In the present embodiment, dielectric film 134 is made up of a material with low-k, e.g. foam insulating material,
Its dielectric constant generally will between 1~3.5, the present invention using by this dielectric film 134 be coated in flat metal wire 131 with
For transmitting the periphery of the signal wire 132 of high-frequency signal, the dielectric constant for reducing flexible flat cable 1 is used so that meet height
Electrical characteristic requirement when frequency uses, can so solve to note flexible flat cable its be unable to reach requirement when high frequency uses with
And it is impossible to meet the problem of the market demand.In addition, in the present embodiment, every flat metal wire 131 passes through working process
Width afterwards is generally between 0.25mm~0.7mm, and its height is between 0.022mm~0.1mm, then arranges in pairs or groups that upper this is exhausted
The thickness of velum 134 is so required between 50 μm~100 μm with obtaining preferably low dielectric property.
It is noted that in the present embodiment, a plurality of flat metal wire 131 of the conductor layer 13 of this flexible flat cable 1
End to expose to the second insulating barrier 15 and the second glue-line 14 to form multiple-contact 135, this little contact 135 has flat
Contact surface, so so that the overlap joint subsequently with connector (not illustrating) uses.That is, in the present embodiment, it is coated on flat metal
The dielectric film 134 of the periphery of signal wire 132 in wire 131 does not expose to the second insulating barrier 15 and the second glue-line 14, so
The contact 135 with conductive effect can be formed, in other words, dielectric film 134 is not coated to the end of flat metal wire 131 completely
End.
It is understood that in the present embodiment, due to the dielectric film 134 of the present invention very thin thickness and be conformally covered in and be in
On pancake signal wire 132, therefore hollow flat shape is substantially presented in the profile of dielectric film 134, so in favor of with it is first exhausted
The hot pressing of the insulating barrier 15 of edge layer 11 and second is bonded without producing hole, and impedance for flexible flat cable 1 etc. is electrically special
Property can produce preferable effect, therefore in the present embodiment, the thickness of dielectric film 134 must be less than the width of signal wire 132,
So just it conformally can coat to form a flat appearance.In addition, its apparent size and flexible flat cable almost indifference is noted,
But it is applied to the electrical characteristic of high frequency signal transmission and is but much better than and notes flexible flat cable, therefore the present invention's is flexible flat
Cable 1 can reach the advantages of will not increasing using space.
In addition, referring to Fig. 3, the present invention provides a kind of manufacture method of flexible flat cable 1, its step includes：One wire rod carries
For step 21, it provides a plurality of first wire rod and the second wire rod, in the present embodiment, flat metal wire 131 is defined as into the
One wire rod, another flat metal wire 131 for being coated with dielectric film 134 is defined as the second wire rod；One selection distribution step 22,
It is interconnected into the spaced conductor layer 13 that is arranged parallel to each other according to selecting by a plurality of first wire rod and the second wire rod；One adds
Work is except material step 23, and this processing is optionally removed the dielectric film 134 on the second wire rod using laser except material step 23, with dew
Go out a part for another flat metal wire 131；And a hot pressing zygonema step 25, it utilizes one second insulating barrier 15 and one the
One insulating barrier 11 respectively from upper and lower by the hot pressing integrator of conductor layer 13 to form a flexible flat cable 1.
In the present embodiment, the method for the wire rod of offer second in wire rod provides step 21 includes a coating processing step, and it will
Dielectric film 134 is conformally coated on another periphery of flat metal wire 131, and forming the process of this dielectric film 134 can be
Extrusion molding method, film coated method soak a variety of coating coating means such as coating method to reach, therefore in the present invention
The process that dielectric film 134 is coated on another periphery of flat metal wire 131 is not limited.
In addition, in the present embodiment, in order to allow this flexible flat cable 1 conductor layer 13 a plurality of flat metal wire 131
End is exposed outside come to form multiple-contact 135, therefore also to implement after distribution step 22 is selected a processing except material step 23,
This processing is optionally removed the dielectric film 134 on the second wire rod using the mode that laser is processed except material step 23, is so not limited to
This, can also select to remove the dielectric film 134 of part using the mode of machining, use so that dielectric film 134 is not complete
The end of flat metal wire 131 is coated to, contact 135 so just can be smoothly formed and is advantageous for in technique
The a large amount of productions of automation.
It is noted that in order to which whether laser to be confirmed removes the dielectric film 134 of the ad-hoc location on the second wire rod, because
This can further include an inspection discrimination step 24 after processing except material step 23, and this checks discrimination step 24 using an image
Sensor goes to detect the appearance color of the ad-hoc location on the second wire rod, due to being coated with the second wire rod of dielectric film 134 with removing
The appearance color of second wire rod of dielectric film 134 has significantly different, that is, dielectric film 134 and another 131 liang of flat metal wire
The appearance color of person simultaneously differs, therefore whether can distinguish the dielectric film 134 of the ad-hoc location on the second wire rod according to this difference
Remove completely clean.
Referring to Fig. 4, in the present embodiment, a plurality of first wire rod and the second wire rod in distribution step 22 is selected are handed over according to selection
The method that mispairing is put includes：One signal definition step 221, it is according to the multiple electronic signals to be transmitted of flexible flat cable 1
Species defines one and put in order；And an option and installment step 222, it puts in order according to this selects the first corresponding wire rod
The configuration for being used as transmission purposes with the second wire rod configures.It is understood that flexible flat cable 1 to be transmitted it is multiple
The species of electronic signal includes high-frequency signal, general signal, ground signalling and power supply signal etc., and wherein may only be used for
The flat metal wire 131 of transmission high-frequency signal needs coated insulation film 134, therefore the use quantity of the first wire rod and the second wire rod
The species for the electronic signal that selection with layout type is transmitted according to flexible flat cable 1 in actual use and put in order come
Design.
It is noted that in the present embodiment, further included after the option and installment step 222 in selecting distribution step 22
One identification difference step 223, this identification difference step 223 are with order to confirm the arrangement position of the first wire rod and the second wire rod
The no species for meeting the multiple electronic signals to be transmitted of flexible flat cable 1 is with putting in order, to avoid in option and installment step
Because of wire rod configuration error caused by artificial or other factors in 222.At this using an image sensing in identification difference step 223
Device goes to detect the appearance color of the first wire rod and the second wire rod, because the appearance color of the first wire rod and the second wire rod is significantly different,
Therefore both can be distinguished according to this difference, to confirm whether the arrangement position of the first wire rod and the second wire rod and order are correct.
It is understood that in the present embodiment, can with the mode continuously manufactured by this flexible flat cable 1 with one then
The extension system connection production of one, so to form a kind of flat cable band with multiple flexible flat cables 1, Ran Houyong
It can split according to the demand of use environment at that time and capture an appropriate number of flexible flat cable 1 to use, therefore in the present invention at family
Hot pressing zygonema step 24 after also include a cutting step, this cutting step can be cut into flat cable band using cutter more
Bar flexible flat cable 1, such present invention are advantageous to automate a large amount of productions with reducing manufacturing costs, and are also convenient for user from whole
An appropriate number of flexible flat cable 1 is intercepted in the flat cable band of volume to use.
In summary, flexible flat cable manufacture method provided by the present invention coats a dielectric film in transmitting high-frequency signal
Flat metal wire periphery, the characteristic of dielectric constant can be reduced using this dielectric film so that flexible flat cable meets high frequency and made
The electrical characteristic requirement of used time, can so solving to note flexible flat cable, it is unable to reach requirement when high frequency uses and not
The problem of disclosure satisfy that the market demand.
Above-mentioned detailed description is to illustrate that only the embodiment is not limited to for a kind of preferably possible embodiments of the present invention
The claim of the present invention, it is all it is other changed without departing from the equivalent changes and modifications completed under disclosed skill spirit,
It is intended to be limited solely by the claim that the present invention is covered.
Claims (10)
1. a kind of flexible flat cable manufacture method, it is characterized in that, this method includes：
One wire rod provides step, and it provides a plurality of first wire rod and the second wire rod, wherein every first wire rod is a flat gold
Belong to wire, every second wire rod is another flat metal wire of one dielectric film of cladding；
One selection distribution step, those first wire rods and the second wire rod are arranged at intervals by it according to option and installment into being arranged parallel to each other
A conductor layer；And
One hot pressing zygonema step, it is using one second insulating barrier and one first insulating barrier respectively from upper and lower by the conductor layer hot pressing
Integrator is to form a flexible flat cable.
2. flexible flat cable manufacture method according to claim 1, it is characterized in that, the offer in the wire rod provides step
The method of those the second wire rods also includes：
One coating processing step, the dielectric film is conformally coated on another flat metal wire periphery by it.
3. flexible flat cable manufacture method according to claim 1, it is characterized in that, the thickness of the dielectric film is between 50 μ
Between m~100 μm.
4. flexible flat cable manufacture method according to claim 1, it is characterized in that, the width of the flat metal wire between
Between 0.25mm~0.7mm, the height of the flat metal wire is between 0.022mm~0.1mm.
5. flexible flat cable manufacture method according to claim 1, it is characterized in that, the dielectric film is one normal with low dielectric
Several materials are formed.
6. flexible flat cable manufacture method according to claim 1, it is characterized in that, the dielectric constant of the dielectric film is between 1~3.5
Between.
7. flexible flat cable manufacture method according to claim 1, it is characterized in that, in the selection distribution step according to selection
The method of configuration also includes：
One signal definition step, it defines a row according to the species of the multiple electronic signals to be transmitted of the flexible flat cable
Row order；And
One option and installment step, it puts in order according to this selects those corresponding first wire rods and is used as with the second wire rod
Transmit the line configuring of purposes.
8. flexible flat cable manufacture method according to claim 1, it is characterized in that, further included in the selection distribution step
One identification difference step, identification difference step distinguish the difference of first wire rod and second wire rod according to appearance color,
To confirm whether the arrangement position of first wire rod and second wire rod and order are correct.
9. flexible flat cable manufacture method according to any one of claim 1 to 8, it is characterized in that, in the selection distribution
Also include a processing after step except material step, the processing removes material step by the dielectric film selectivity on second wire rod
Ground removes, to expose a part for another flat metal wire.
10. flexible flat cable manufacture method according to claim 9, it is characterized in that, also wrapped after the processing is except material step
Discrimination step is checked containing one, the inspection discrimination step is according to the dielectric film and the appearance color of another flat metal wire
Difference distinguish whether the dielectric film of the ad-hoc location on second wire rod has removed totally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512202.3A CN107578843A (en) | 2016-07-04 | 2016-07-04 | Flexible flat cable manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512202.3A CN107578843A (en) | 2016-07-04 | 2016-07-04 | Flexible flat cable manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107578843A true CN107578843A (en) | 2018-01-12 |
Family
ID=61049049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610512202.3A Pending CN107578843A (en) | 2016-07-04 | 2016-07-04 | Flexible flat cable manufacture method |
Country Status (1)
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| CN (1) | CN107578843A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310768A (en) * | 2019-06-19 | 2019-10-08 | 芜湖航天特种电缆厂股份有限公司 | Resistance to flexion, the ribbon cable of resist bending fatigue and preparation method thereof |
| CN110380272A (en) * | 2019-07-19 | 2019-10-25 | 东莞讯滔电子有限公司 | Data line and its manufacture craft |
| CN110739100A (en) * | 2019-10-28 | 2020-01-31 | 苏州新亚电通有限公司 | flexible flat cable and preparation method thereof |
| CN113380461A (en) * | 2021-04-30 | 2021-09-10 | 上海空间电源研究所 | Flat cable exhaust device and method |
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| CN201247617Y (en) * | 2008-05-21 | 2009-05-27 | 佳必琪国际股份有限公司 | Winding displacement coating structure |
| CN102017020A (en) * | 2008-04-25 | 2011-04-13 | 冲电线株式会社 | High-speed shielded flat cable |
| CN203165524U (en) * | 2012-12-25 | 2013-08-28 | 杭州久诚电子有限公司 | Flat cable |
| CN205789182U (en) * | 2016-05-25 | 2016-12-07 | 达昌电子科技(苏州)有限公司 | Flexible flat cable structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102017020A (en) * | 2008-04-25 | 2011-04-13 | 冲电线株式会社 | High-speed shielded flat cable |
| CN201247617Y (en) * | 2008-05-21 | 2009-05-27 | 佳必琪国际股份有限公司 | Winding displacement coating structure |
| CN203165524U (en) * | 2012-12-25 | 2013-08-28 | 杭州久诚电子有限公司 | Flat cable |
| CN205789182U (en) * | 2016-05-25 | 2016-12-07 | 达昌电子科技(苏州)有限公司 | Flexible flat cable structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310768A (en) * | 2019-06-19 | 2019-10-08 | 芜湖航天特种电缆厂股份有限公司 | Resistance to flexion, the ribbon cable of resist bending fatigue and preparation method thereof |
| CN110380272A (en) * | 2019-07-19 | 2019-10-25 | 东莞讯滔电子有限公司 | Data line and its manufacture craft |
| CN110739100A (en) * | 2019-10-28 | 2020-01-31 | 苏州新亚电通有限公司 | flexible flat cable and preparation method thereof |
| CN113380461A (en) * | 2021-04-30 | 2021-09-10 | 上海空间电源研究所 | Flat cable exhaust device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180112 |