CN209729555U - Flat data transmission cable - Google Patents
Flat data transmission cable Download PDFInfo
- Publication number
- CN209729555U CN209729555U CN201821732521.6U CN201821732521U CN209729555U CN 209729555 U CN209729555 U CN 209729555U CN 201821732521 U CN201821732521 U CN 201821732521U CN 209729555 U CN209729555 U CN 209729555U
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- Prior art keywords
- layer
- transmission cable
- data transmission
- clad
- flat data
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 239000010410 layer Substances 0.000 claims abstract description 113
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 239000007769 metal material Substances 0.000 claims abstract description 24
- 239000005030 aluminium foil Substances 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims description 14
- 238000005253 cladding Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 241000209140 Triticum Species 0.000 description 5
- 235000021307 Triticum Nutrition 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0861—Flat or ribbon cables comprising one or more screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
Landscapes
- Insulated Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Communication Cables (AREA)
Abstract
The utility model provides a kind of flat data transmission cable comprising several conducting wires arranged side by side, the conducting wire include at least a pair of of differential signal line and ground line.Each conducting wire be respectively provided with the conductor positioned at center position, coating conductor periphery the first clad, coat the first clad periphery the second clad.The dielectric coefficient of first clad is lower than the dielectric coefficient of the second clad.The data transmission cable further includes the plastic layer for coating several conducting wires, the metal layer of formation using metal material belt helically wound be set on the outside of the plastic layer.The metal layer at least has aluminium foil layer and is set to adhesive layer of the aluminium foil layer towards plastic layer side, and the metal layer is adhesively fixed on the outside of plastic layer after heating by the adhesive layer.
Description
Technical field
The utility model relates to a kind of data transmission cable more particularly to a kind of flat datas of high-frequency transmission better performances
Transmission cable.
Background technique
In 3C industry, transmission cable can be used as the medium being electrically connected between two electronic devices and can be stable progress
Desired signal transmits operation, and therefore, transmission cable is generally applicable to various electronic devices.Wherein with USB, HDMI,
The transmission cable of the interfaces such as DVI, Displayport connection is high with transmission rate, distance is remote, quality is high and is liked by masses,
Usage quantity also increasingly increases.There is a plurality of plain conductor inside the equal transmission cables, include differential signal line and ground line
Deng.Usually only wheat in the outer part draws layer to be fixed with metal layer to a plurality of plain conductor, it is fixed after would generally metal layer with
There are air between conducting wire, and then influence the high-frequency transmission performance of conducting wire.In addition, with the development of computer technology, computer
The speed of the electronic product datas such as hard disk and mainboard transmission is more and more fast, and transmission frequency is also higher and higher, in high frequency, superelevation frequency
According to transmission field, the differential impedance for controlling differential signal line is very important the integrality of high-speed digital signal, traditional
Conducting wire setting has been unable to satisfy requirement.
Therefore, it is necessary to be improved to existing technology, to overcome the above technical problem.
Utility model content
The purpose of this utility model is to provide a kind of flat data transmission cables of high-frequency transmission better performances.
To realize above-mentioned purpose of utility model, the utility model provides a kind of flat data transmission cable, including
Several conducting wires arranged side by side, the conducting wire includes at least a pair of of differential signal line and ground line, each conducting wire are respectively provided with position
In the conductor of center position, coating conductor periphery the first clad, coat the second clad of the first clad periphery, institute
The dielectric coefficient for stating the first clad is lower than the dielectric coefficient of the second clad；The data transmission cable further includes that cladding is several
The plastic layer of the conducting wire, the metal layer formed using helically wound be set on the outside of the plastic layer of metal material belt, institute
Stating metal layer at least has aluminium foil layer and is set to adhesive layer of the aluminium foil layer towards plastic layer side, and the metal layer is by described
It is adhesively fixed on the outside of plastic layer after adhesive layer hot melt.
First clad is insulating coating, second clad as a further improvement of the utility model,
To inhale wave layer.
The metal layer, which also has, as a further improvement of the utility model, is set to aluminium foil layer away from plastic layer side
The insulating layer on surface.
The sum of aluminium foil layer and the thickness of insulating layer are in the metal layer as a further improvement of the utility model,
0.010mm to 0.055mm.
The width of the metal material belt is 0.5 to 3 times of line width as a further improvement of the utility model,.
The metal material belt is formed with when being spirally wound on the outside of plastic layer as a further improvement of the utility model,
Overlay region, the winding Duplication of metal material belt are the 15% to 50% of the metal material belt width.
The width of the overlay region is at least 0.8mm as a further improvement of the utility model,.
The metal material belt compares flat data transmission cable width side as a further improvement of the utility model,
To winding angle be 40 ° to 55 °.
The conductor outer rim of the flat data transmission cable is to plastic layer outer rim as a further improvement of the utility model,
Distance be 0.1mm to 0.45mm.
The conductor diameter of aforementioned differential signal line is identical as a further improvement of the utility model, aforementioned differential signal
Ratio between the center spacing of line and the conductor diameter of differential signal line is 1.5 to 2.8.
The beneficial effects of the utility model are: the utility model the utility model is by will be located at the of inside on the outside of conducting wire
The dielectric coefficient of one clad is set below the dielectric coefficient of the second clad positioned at outside, can so pass through dielectric coefficient
Lesser first clad provides the preferable signal transmission environment of the first conductor, and the dielectric coefficient of the second clad is compared with Gao Shike
Effectively inhibit outside electromagnetic interference, the first conductor and the external world are effectively completely cut off, guarantees high frequency, ultra-high frequency signal transmission；Again
Person, metal layer is set as being set on the outside of plastic layer by metal material belt using spiral winding mode, it can be achieved that metal layer with
Fitting is closely wound between plastic layer；In addition, adhesive layer is arranged towards the side of plastic layer in metal layer, not only can directly lead to
Metal layer is fixed on the outside of plastic layer by the mode for crossing bonding, draws the intervention of layer to fix without wheat, and entire cable is done
Must be thinner, it is more soft；And air can be also discharged while bonding, and because cohere fixation so that the air of discharge without
Method enters, and achievees the effect that closely knit, and then reaches close cladding, high-frequency transmission excellent performance and soft frivolous effect.
Detailed description of the invention
Fig. 1 is the part isometric schematic diagram of one preferred embodiment of the utility model flat data transmission cable.
Fig. 2 is the front view of flat data transmission cable shown in Fig. 1.
Fig. 3 is the top view of flat data transmission cable shown in Fig. 1.
Specific embodiment
The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments
It is not intended to limit the utility model, structure, method or the function that those skilled in the art are made according to these embodiments
Transformation on energy is all contained in the protection scope of the utility model.
Show the utility model flat data transmission cable 100 also referring to Fig. 1 to Fig. 3 first is preferably implemented
Example.The flat data transmission cable 100 includes several conducting wires 1 arranged side by side, and the conducting wire 1 includes at least a pair of of difference letter
Number line 2 and ground line 3, the ground line 3 can be used to inhibit the signal interference of Difference signal pair side.The arrangement of the conducting wire 1
Mode is to be grounded the 3, circulation of differential signal line 2 to be arranged side by side mode, and 1 quantity of conducting wire arranged side by side is at 3~50
Between.The outer diameter of the conductor 11 of at least each pair differential signal line 2 is identical.In the present invention, the conductor of all conducting wires 1
11 outer diameters are all the same, and spacing is also identical.
Each conducting wire 1 be respectively provided with the conductor 11 positioned at center position, the periphery of coating conductor 11 the first clad 12,
Coat the second clad 13 of 12 periphery of the first clad.
In the present invention, the dielectric coefficient of first clad 12 is set below the dielectric of the second clad 13
Coefficient.
Specifically, in the present invention, first clad 12 is set as using relatively low exhausted of dielectric coefficient
Edge material is made, and mainly to provide each conductor 11 preferable signal transmission environment, reduces the propagation delay of signal, guarantees letter
Number high speed effectively transmit, reduce signal decaying.And to be set as dielectric coefficient relatively high for second clad 13, mainly exists
In inhibiting external electromagnetic wave interference, to effectively be completely cut off to each conductor 11 and the external world, guarantee internal high frequency, hyperfrequency letter
Number transmission；Second clad 13 is preferably arranged to inhale wave layer.
Further, flat data transmission cable described in the utility model 100 further includes several conducting wires 1 of cladding
Using metal material belt is helically wound 4 outside of plastic layer is arranged in and the metal layer 5 of formation in plastic layer 4.It is practical new at this
In type, the metal layer 5 at least has aluminium foil layer 51 and is set to adhesive layer 52 of the aluminium foil layer 51 towards 4 side of plastic layer, from
And metal layer 5 can be bonded and fixed on 4 outer surface of plastic layer by the adhesive layer 52 after heating.
On the one hand the utility model sets metal layer 5 to being set to plastic cement using spiral winding mode by metal material belt
4 outside of layer is, it can be achieved that being closely wound between metal layer 5 and plastic layer 4 is bonded；On the other hand, in metal layer 5 towards plastic layer
Adhesive layer 52 is arranged in 4 side, not only metal layer 5 can be fixed on 4 outside of plastic layer directly by way of bonding, be not necessarily to wheat
It draws the intervention of layer to fix, entire cable is allowed to be made thinner, it is more soft；And air can also be arranged while bonding
Out, and because cohering fixation, so that the air of discharge cannot be introduced into, air is avoided to have an impact high frequency signal transmission, simultaneously
Achieve the effect that closely knit, and then reaches close cladding, high-frequency transmission excellent performance and soft frivolous effect.
In conjunction with the setting of above-mentioned first clad 12, the second clad 13, plastic layer 4 and metal layer 5, it is ensured that make each pair of
When ratio between the center spacing of the differential signal line 2 and the outer diameter of conductor 11 is 1.5 to 2.8, so that each pair of difference is believed
The differential impedance of number line 2 is effectively reduced, and in the range of effectively controlling 75 Ω to 110 Ω generally required, coupling effect increases
By force, guarantee the long distance transmission of high-frequency signal.
Specifically, the above-mentioned setting of the utility model may make and lead in the center spacing of each pair of differential signal line 2 with it
When ratio between 11 outer diameter of body is 1.5 to 2.8, guarantee the differential impedance between each pair of differential signal line 2 for 79 Ω extremely
106Ω。
In the present invention, the plastic layer 4 is coated on around the conducting wire 1, and the integral thickness after its cladding
In 0.3mm between 1mm, preferably 0.3mm is between 0.55mm.The thickness of the plastic layer 4 may be configured as it is thin as far as possible, at least
The relative position of all conducting wires 1 is fixed in guarantee.And above-mentioned plastic layer 4 may be configured as close using dielectric coefficient
The plastic material of air is made, and so may make the impedance of plastic layer 4 smaller, so as to further provide for differential signal line 2 compared with
Good signal transmission environment, reduces the propagation delay and interference of signal, guarantees that the high speed of signal is effectively transmitted, and reduces signal and declines
Subtract.
Further, preferably by 11 outer rim of conductor described in the flat data transmission cable 100 in the utility model
To the distance between 4 outer rim of plastic layer in 0.1mm between 0.45mm, preferably 0.15mm is between 0.35mm.Above-mentioned distance
It also is that the distance between conductor 11 and metal layer 5 guarantee high frequency, surpass because the metal layer 5 is for shielding outer signals interference
High frequency signal transmission, so that above-mentioned distance is also one of the element for influencing conducting wire 1 and carrying out high frequency data transfer, apart from smaller
When, impedance is smaller, and high frequency performance is better, while the thickness of entire flat data transmission cable 100 is also smaller, more soft light
It is thin.However when thickness is too small, metal layer 5 can then transmit the signal of conductor 11 and impact, the above-mentioned section of the utility model
Various aspects demand can preferably be met.
In addition, as shown in Fig. 2, in the metal layer 5 aluminium foil layer 51 setting, can effectively shield outside electromagnetic interference, i.e.,
Differential signal line 2 and the external world are effectively completely cut off, guarantee high frequency, ultra-high frequency signal transmission.Prevent in addition, metal layer 5 also has
Fiery function.
In conjunction with above-mentioned, the clad in 11 outside of conductor is arranged in the utility model, may make the conductor of differential signal line 2
11 carry out having preferable signal transmission environment when information transmission, reduce the propagation delay of signal, guarantee that the high speed of signal is effective
Transmission reduces signal decaying, while avoiding external interference.And metal layer 5 is set as through metal material belt using spiral winding side
Formula is set to 4 outside of plastic layer, it can be achieved that being closely wound between metal layer 5 and plastic layer 4 is bonded；Furthermore in 5 court of metal layer
Adhesive layer 52 is set to the side of plastic layer 4, metal layer 5 can be not only fixed on outside plastic layer 4 directly by way of bonding
Side draws the intervention of layer to fix without wheat, and entire cable is allowed to be made thinner, more soft；And may be used also while bonding
Air is discharged, and because cohering fixation, so that the air of discharge cannot be introduced into, air is avoided to generate shadow to high frequency signal transmission
It rings, while achieving the effect that closely knit, and then reach close cladding, high-frequency transmission excellent performance and soft frivolous effect.
Specifically, the ratio between the center spacing of each pair of aforementioned differential signal line 2 and its 11 outer diameter of conductor is 1.55
When to 2.31, it may make the differential impedance between each pair of differential signal line 2 in 79 Ω to 91 Ω.
For soft frivolous, the outer diameter of conductor 11 described in the utility model for being further ensured that flat data transmission cable 100
Using 31AWG or 32AWG or 33AWG, at this point, the center spacing of each pair of differential signal line 2 is set as 0.28mm extremely
0.52mm, it is ensured that the differential impedance between each pair of differential signal line 2 is 79 Ω to 91 Ω.The every difference of spacing at center
When 0.01mm, differential impedance differs 1.5 Ω.
Wherein, it when 11 outer diameter of conductor uses 31AWG, sets the center spacing of each pair of differential signal line 2 to
0.44 to 0.52mm, it is ensured that the differential impedance between each pair of differential signal line 2 is 79 Ω to 91 Ω；Specifically, in
When in the heart away from for 0.48mm, the differential impedance between each pair of differential signal line 2 can be made to control in 85 Ω.
11 outer diameter of conductor use 32AWG when, by the center spacing of each pair of differential signal line 2 be set as 0.36 to
0.44mm, it is ensured that the differential impedance between each pair of differential signal line 2 is 79 Ω to 91 Ω.Specifically, in center spacing
When for 0.40mm, the differential impedance between each pair of differential signal line 2 can be made to control in 85 Ω.
11 outer diameter of conductor use 33AWG when, by the center spacing of each pair of differential signal line 2 be set as 0.28 to
0.36mm, it is ensured that the differential impedance between each pair of differential signal line 2 is 79 Ω to 91 Ω.Specifically, in center spacing
When for 0.32mm, the differential impedance between the differential signal line 2 can be made to control in 85 Ω.
In addition, ratio between the center spacing and its 11 outer diameter of conductor of each pair of differential signal line 2 be 2.18 to
When 2.84, so that the differential impedance between each pair of differential signal line 2 is 94 Ω to 106 Ω.
For soft frivolous, the outer diameter of conductor 11 described in the utility model for being further ensured that flat data transmission cable 100
Using 33AWG or 34AWG；At this point, the center spacing of each pair of differential signal line 2 is set as 0.35mm to 0.51mm, can protect
The differential impedance for demonstrate,proving each pair of differential signal line 2 is 94 Ω to 106 Ω.At center when the every difference 0.01mm of spacing, differential impedance
Differ 1.5 Ω.
Wherein, in the utility model, when 11 outer diameter of conductor uses 33AWG, by the center of each pair of differential signal line 2
Spacing is set as 0.43 to 0.51mm, it is ensured that the differential impedance of each pair of differential signal line 2 is 94 Ω to 106 Ω；Specifically
Ground when spacing is 0.47mm at center, can be such that the differential impedance between each pair of differential signal line 2 controls in 100 Ω.
11 outer diameter of conductor use 34AWG when, by the center spacing of each pair of differential signal line 2 be set as 0.35 to
0.43mm, it is ensured that the differential impedance of each pair of differential signal line 2 is 94 Ω to 106 Ω；Specifically, at center, spacing is
When 0.39mm, the differential impedance between each pair of differential signal line 2 can be made to control in 100 Ω.
In addition, metal layer 5 described in the utility model, which also has, is set to aluminium foil layer 51 away from 4 one side surface of plastic layer
Setting, that is, alternative wheat in the prior art of insulating layer 53, the insulating layer 53 draws layer, External Insulation, while protecting aluminium foil layer
51。
Further, in the metal layer 5, the sum of thickness of aluminium foil layer 51 and insulating layer 53 be 0.010mm extremely
0.055mm, preferably 0.015mm are between 0.025mm, to minimize entire cable on the basis of realizing to external shield
Thickness.
In addition, the selection of the metal material belt of above-mentioned spiral winding, use width for the flat data in the utility model
0.5 to 3 times of width of the width of transmission cable 100, under this kind of width section, is wound more convenient by preferably 0.5 to 2 times
And facilitate the consolidation degree held and wound, while also ensuring the pliability of entire data transmission cable after winding.
Further, for metal material belt when carrying out spiral winding formation metal layer 5, the metal layer 5 is formed with overlay region
54；Preferably, so that the winding Duplication of metal material belt is the 15% to 50% of the metal material belt width, i.e. overlay region 54 accounts for
The 15% to 50% of metal material belt width；The width of overlay region 54 is at least 0.8mm, preferably at least overlapping 1mm, thus can be square
Just it controls, guarantees the validity of winding, collapse out and be mutually disengaged between the adjacent metal material strip after avoiding winding, in turn result in screen
Cover drain region.In addition, the metal material belt compare 100 width direction of flat data transmission cable winding angle be 40 ° extremely
55 °, preferably 45 ° to 53 °.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of flat data transmission cable, including several conducting wires arranged side by side, the conducting wire includes at least a pair of of difference letter
Number line and ground line, it is characterised in that: each conducting wire be respectively provided with the conductor positioned at center position, coating conductor periphery the
One clad, the second clad for coating the first clad periphery, the dielectric coefficient of first clad is lower than the second cladding
The dielectric coefficient of layer；The data transmission cable further include the plastic layer for coating several conducting wires, using metal material belt in spiral shell
Rotation is wound on the outside of the plastic layer and the metal layer of formation, the metal layer at least have aluminium foil layer and be set to aluminium foil
Towards the adhesive layer of plastic layer side, the metal layer is adhesively fixed on the outside of the plastic layer layer after heating by the adhesive layer.
2. flat data transmission cable as described in claim 1, it is characterised in that: first clad is insulating wrapped
Layer, second clad are to inhale wave layer.
3. flat data transmission cable as described in claim 1, it is characterised in that: the metal layer, which also has, is set to aluminium foil
Layer deviates from the insulating layer of one side surface of plastic layer.
4. flat data transmission cable as claimed in claim 3, it is characterised in that: aluminium foil layer and insulating layer in the metal layer
The sum of thickness be 0.010mm to 0.055mm.
5. flat data transmission cable as described in claim 1, it is characterised in that: the width of the metal material belt is line width
0.5 to 3 times.
6. flat data transmission cable as claimed in claim 5, it is characterised in that: the metal material belt in be spirally wound on modeling
Overlay region is formed with when on the outside of glue-line, the winding Duplication of metal material belt is the 15% to 50% of the metal material belt width.
7. flat data transmission cable as claimed in claim 6, it is characterised in that: the width of the overlay region is at least
0.8mm。
8. flat data transmission cable as claimed in claim 7, it is characterised in that: the metal material belt compares the flat number
Winding angle according to transmission cable width direction is 40 ° to 55 °.
9. flat data transmission cable as described in claim 1, it is characterised in that: the conductor of the flat data transmission cable
The distance of outer rim to plastic layer outer rim is 0.1mm to 0.45mm.
10. flat data transmission cable as described in claim 1, it is characterised in that: the conductor diameter of aforementioned differential signal line
Identical, the ratio between the center spacing of aforementioned differential signal line and the conductor diameter of differential signal line is 1.5 to 2.8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018105569820 | 2018-06-01 | ||
| CN201810556982 | 2018-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729555U true CN209729555U (en) | 2019-12-03 |
Family
ID=68672362
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821732521.6U Expired - Fee Related CN209729555U (en) | 2018-06-01 | 2018-10-24 | Flat data transmission cable |
| CN201910195814.8A Active CN110556204B (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
| CN201910195856.1A Pending CN110556205A (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
| CN201910195813.3A Pending CN110557888A (en) | 2018-06-01 | 2019-03-15 | circuit board and electric connection assembly |
| CN201920328078.4U Active CN209747165U (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910195814.8A Active CN110556204B (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
| CN201910195856.1A Pending CN110556205A (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
| CN201910195813.3A Pending CN110557888A (en) | 2018-06-01 | 2019-03-15 | circuit board and electric connection assembly |
| CN201920328078.4U Active CN209747165U (en) | 2018-06-01 | 2019-03-15 | Flat data transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN209729555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674916A (en) * | 2020-05-14 | 2021-11-19 | 华为技术有限公司 | Data transmission cable and related equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209729555U (en) * | 2018-06-01 | 2019-12-03 | 凡甲电子(苏州)有限公司 | Flat data transmission cable |
| CN111881075B (en) * | 2020-08-03 | 2022-08-26 | 恒为科技（上海）股份有限公司 | PCIE (peripheral component interface express) golden finger and design method thereof |
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| JP4699319B2 (en) * | 2006-09-14 | 2011-06-08 | 株式会社リコー | Printed wiring board, electronic component mounting method, and image forming apparatus control apparatus |
| JP5111890B2 (en) * | 2007-02-28 | 2013-01-09 | タツタ電線株式会社 | Movable flat cable |
| CN101494096B (en) * | 2008-01-25 | 2011-01-26 | 莱尔德电子材料(深圳)有限公司 | Shielding flat flexible cable |
| JP5309766B2 (en) * | 2008-03-03 | 2013-10-09 | 住友電気工業株式会社 | Shielded flat cable |
| CN201336411Y (en) * | 2008-12-24 | 2009-10-28 | 杭州华三通信技术有限公司 | Bonding pad group for SFP connector and communication device |
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| CN209729555U (en) * | 2018-06-01 | 2019-12-03 | 凡甲电子(苏州)有限公司 | Flat data transmission cable |
| CN210112383U (en) * | 2018-06-01 | 2020-02-21 | 凡甲电子(苏州)有限公司 | Circuit board and electric connection assembly |
-
2018
- 2018-10-24 CN CN201821732521.6U patent/CN209729555U/en not_active Expired - Fee Related
-
2019
- 2019-03-15 CN CN201910195814.8A patent/CN110556204B/en active Active
- 2019-03-15 CN CN201910195856.1A patent/CN110556205A/en active Pending
- 2019-03-15 CN CN201910195813.3A patent/CN110557888A/en active Pending
- 2019-03-15 CN CN201920328078.4U patent/CN209747165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674916A (en) * | 2020-05-14 | 2021-11-19 | 华为技术有限公司 | Data transmission cable and related equipment |
| CN113674916B (en) * | 2020-05-14 | 2023-04-28 | 华为技术有限公司 | Data transmission cable and related equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110556205A (en) | 2019-12-10 |
| CN110556204A (en) | 2019-12-10 |
| CN110556204B (en) | 2021-07-30 |
| CN209747165U (en) | 2019-12-06 |
| CN110557888A (en) | 2019-12-10 |
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