CN204229874U - Flexible flat cable structure - Google Patents
Flexible flat cable structure Download PDFInfo
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- CN204229874U CN204229874U CN201420460472.0U CN201420460472U CN204229874U CN 204229874 U CN204229874 U CN 204229874U CN 201420460472 U CN201420460472 U CN 201420460472U CN 204229874 U CN204229874 U CN 204229874U
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- flat cable
- flexible flat
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- insulating barrier
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Abstract
A kind of flexible flat cable structure, include an insulating barrier, one first insulation glue-line, a conductor layer, one second insulation glue-line and a polyolefin flame-retardant layer, wherein the first insulation glue-line is arranged on insulating barrier, conductor layer is arranged on the first insulation glue-line, this conductor layer comprises many strip metals wire arranged in parallel, and the second insulation glue-line is arranged on conductor layer and polyolefin flame-retardant layer is arranged on the second insulation glue-line.
Description
Technical field
The utility model has about a kind of flexible flat cable structure, refers to especially a kind ofly flat cable thickness can be allowed to reduce and make the flexible flat cable structure of its easy folding.
Background technology
Flexible flat cable structure (Flexible Flat Cable), referred to as flexible flat cable or FFC, is a kind of PET insulating material and many zinc-plated flat copper wire data cable structure through the pressing of high-tech automation equipment production line.Flexible flat cable is a kind of signal transmission assembly, itself have can bend arbitrarily, the advantage such as high signal transmission ability, be therefore widely used in many electronic products.
General traditional flexible flat cable is subdivided into three-decker, from top to bottom be sequentially insulating barrier, the stacking mode hot pressing of conductor layer and lower insulating barrier forms, this upper and lower insulating barrier is all made by PET material, many the flat copper wire being arranged parallel to each other and being separated and arranging are comprised in conductor layer, and its end exposes to flexible flat cable two ends to form conductive junction point, the conductive junction point of this flexible flat cable directly can be overlapped in flat-cable connector, or the conductive junction point of flexible flat cable is attached on insulating body, and then assemble upper and lower iron-clad on insulating body, so can form the connector construction using the conductive junction point of flexible flat cable as terminal.
In order to the demand of the characteristic impedance of client will be met, the practice now is normally sticked a dielectric layer on PET insulating barrier, again aluminium foil is attached on dielectric layer afterwards, thickness size by PET insulating barrier and dielectric layer affects the characteristic impedance controlling flexible flat cable, so can reach the object of the characteristic impedance needed for client.But this kind is known and is known that the practice of adjustment control characteristic impedance is but easy to the problem causing the thickness of flexible flat cable to increase and easily open after flat cable folding, therefore can not meet the demand of client.
utility model content
Know and know that flexible flat cable utilizes the thickness size of PET insulating barrier and dielectric layer to control the structure of the characteristic impedance of flat cable, be easy to the problem causing the thickness of flexible flat cable to increase and easily open after flat cable folding, therefore can not meet the demand of client.
The utility model provides a kind of flexible flat cable structure, include an insulating barrier, one first insulation glue-line, a conductor layer, one second insulation glue-line and a polyolefin flame-retardant layer, first insulation glue-line is arranged on insulating barrier, conductor layer is arranged on the first insulation glue-line, this conductor layer comprises many strip metals wire arranged in parallel, and the second insulation glue-line is arranged on conductor layer and polyolefin flame-retardant layer is arranged on the second insulation glue-line.
This novel provided flexible flat cable structure, its PET insulating barrier and dielectric layer of utilizing a polyolefin flame-retardant layer to replace to know and know flexible flat cable, thickness size due to polyolefin flame-retardant layer is less than the thickness summation of PET insulating barrier and dielectric layer, and the flexibility of polyolefin flame-retardant layer is also come well far beyond the combination of PET insulating barrier and dielectric layer, so can reach the object reducing flexible flat cable thickness, use the problem solving and know and know that the thickness of flexible flat cable increases and easily opens after flat cable folding.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of flexible flat cable structure of the present utility model.
Fig. 2 is the fragmentary sectional schematic diagram of the flexible flat cable structure of Fig. 1.
Reference numerals illustrates:
1 flexible flat cable structure
11 insulating barriers
12 first insulation glue-lines
13 conductor layers
131 plain conductors
14 second insulation glue-lines
15 polyolefin flame-retardant layers
16 acryl glue-lines
17 metal shielding layers
Embodiment
Refer to shown in Fig. 1 to Fig. 2, it is the preferred embodiment of this novel flexible flat cable structure, and this flexible flat cable structure 1 includes insulating barrier 11,1 first insulation glue-line 12, conductor layer 13,1 second insulation glue-line 14, polyolefin flame-retardant layer 15, acryl glue-line 16 and a metal shielding layer 17.
First insulation glue-line 12 is arranged on insulating barrier 11, conductor layer 13 is arranged on the first insulation glue-line 12, wherein conductor layer 13 comprises many strip metals wire 131 arranged in parallel, second insulation glue-line 14 is arranged on conductor layer 13, polyolefin flame-retardant layer 15 to be arranged on the second insulation glue-line 14 and to be covered in those plain conductors 131, and polyolefin flame-retardant layer 15 and insulating barrier 11 are for those plain conductors 131 coated up and down and utilize the second insulation glue-line 14 and first glue-line 12 that insulate to paste and be fixed together separately.Metal shielding layer 17 is arranged on polyolefin flame-retardant layer 15, and an acryl glue-line 16 is arranged between metal shielding layer 17 and polyolefin flame-retardant layer 15 and is integrally fixed both to be pasted.In addition, a protective layer (not illustrating) also can be set on metal shielding layer 17 and protect metal shielding layer 17.
The film of polyolefin flame-retardant layer 15 for being jointly made up of with fire retardant polypropylene (PP), polyethylene (PE), and can select on demand to add other micro-additive such as colorant etc., it can referred to as PO inflaming retarding membrane.In the present embodiment, polyolefin flame-retardant layer 15 is added with fire retardant with polypropylene and polyethylene mixes formed mixed layer to scale for substrate, because polypropylene and poly material have low-k, its can be less thickness replace the PET insulating barrier and dielectric layer knowing and know flexible flat cable, add the effect of fire retardant, make polyolefin flame-retardant layer 15 have fire-retardant effect simultaneously and heatproof UL80C grade can be reached.It is worth mentioning that, the flexible flat cable structure 1 being provided with polyolefin flame-retardant layer 15 can meet the flame-retardancy requirements of the VW-1 of UL wire rod.
Thickness size due to polyolefin flame-retardant layer 15 is less than the thickness summation of PET insulating barrier and dielectric layer, and the pliability of polyolefin flame-retardant layer 15 is also come well far beyond the combination of PET insulating barrier and dielectric layer, and effectively can meet the demand of the characteristic impedance of client, so can reach the object reducing flexible flat cable thickness, also can not open reply after soft flexible flat cable structure 1 folding, therefore effectively can solve the problem known and know that the thickness of flexible flat cable increases and easily opens after flat cable folding.
In the present embodiment, this metal shielding layer 17 is aluminium foil, fire retardant is then comprise the halogen flame etc. be such as applied on electronic material, insulating barrier 11 is one have another polyolefin flame-retardant layer of identical composition and structure with polyolefin flame-retardant layer 15, but because the manufacturing cost of polyolefin flame-retardant layer 15 is higher, and the utility model is provided with metal shielding layer 17 to control the characteristic impedance of flexible flat cable structure 1 in that side being close to polyolefin flame-retardant layer 15, therefore alternatively, this insulating barrier 11 can be polyethylene terephthalate (PET) layer, the manufacturing cost of this layer of polyethylene terephthalate is lower, therefore effectively can reduce the production cost of this flexible flat cable structure 1, so be not limited thereto, also other insulating material can be used to manufacture this insulating barrier 11.
In sum, PET insulating barrier and dielectric layer that this novel flexible flat cable structure utilizes a polyolefin flame-retardant layer to replace to know and know flexible flat cable, thickness size due to polyolefin flame-retardant layer is less than the thickness summation of PET insulating barrier and dielectric layer, and the flexibility of polyolefin flame-retardant layer is also come well far beyond the combination of PET insulating barrier and dielectric layer, and the demand of the characteristic impedance of client can be met, so can reach the object reducing flexible flat cable thickness, therefore, it is possible to solve the problem known and know that the thickness of flexible flat cable increases and easily opens after flat cable folding.
Above-mentioned detailed description be for this novel one preferably possible embodiments illustrate, only this embodiment is not intended to limit this novel right, under all other does not depart from this novel disclosed skill spirit, the equalization change that completes is changed with modifying, and all should be contained in originally novel contained the scope of the claims.
Claims (5)
1. a flexible flat cable structure, comprising:
One insulating barrier;
One first insulation glue-line, is arranged on this insulating barrier;
One conductor layer, be arranged on this first insulation glue-line, this conductor layer comprises many strip metals wire arranged in parallel;
One second insulation glue-line, is arranged on this conductor layer; And
One polyolefin flame-retardant layer, is arranged on this second insulation glue-line.
2. flexible flat cable structure as claimed in claim 1, it is characterized by, this structure more comprises:
One metal shielding layer, is arranged on this polyolefin flame-retardant layer.
3. flexible flat cable structure as claimed in claim 2, it is characterized by, this structure more comprises:
One acryl glue-line, is located between this metal shielding layer and this polyolefin flame-retardant layer.
4. flexible flat cable structure as claimed in claim 1, it is characterized by, this insulating barrier is a layer of polyethylene terephthalate.
5. flexible flat cable structure as claimed in claim 1, it is characterized by, this insulating barrier is another polyolefin flame-retardant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460472.0U CN204229874U (en) | 2014-08-15 | 2014-08-15 | Flexible flat cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460472.0U CN204229874U (en) | 2014-08-15 | 2014-08-15 | Flexible flat cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229874U true CN204229874U (en) | 2015-03-25 |
Family
ID=52927941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420460472.0U Active CN204229874U (en) | 2014-08-15 | 2014-08-15 | Flexible flat cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204229874U (en) |
-
2014
- 2014-08-15 CN CN201420460472.0U patent/CN204229874U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |