CN104810093A - Cable for signal transmission - Google Patents
Cable for signal transmission Download PDFInfo
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- CN104810093A CN104810093A CN201410260613.9A CN201410260613A CN104810093A CN 104810093 A CN104810093 A CN 104810093A CN 201410260613 A CN201410260613 A CN 201410260613A CN 104810093 A CN104810093 A CN 104810093A
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- wire
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Abstract
The invention provides a cable for signal transmission, wherein a shielding belt does not easily loose when the cable bears bending in use, thereby maintaining an excellent electric characteristic. The cable (100) for signal transmission is provided with a combined twisted wire (104), a bundle of shielding belt (105) which winds the combined twisted wire (104), and a protective sheath (106) which is arranged at the periphery of the bundle of shielding belt (105). The combined twisted wire (104) is formed through twisting a signal wire (101), a power wire (102) and an anti-interference wire (103). The signal wire (101) is provided with the components of a signal conductor (107), an insulating member (108) which is arranged at the periphery of the signal conductor (107), an insulating belt (109) which winds the insulating member (108), and a shielding belt (110) which winds the insulating belt (109). The shielding belt (110) is provided with a binding layer (111) which is arranged at a surface that opposes the insulating belt (109) and is furthermore bond with the insulating belt (109) through a binding layer (111).
Description
Technical field
The present invention relates to the Signal transmissions cable be applicable to in use bearing bending part distribution.
Background technology
Such as, as by personal computer and digital camera, the outside wirings such as the USB cable of smart mobile phone electrical connection, as shown in Figure 6, use Signal transmissions cable 600, described Signal transmissions cable 600 possesses: set twisted wire 608, it is by stranded in the lump to signal twisted wire 604 and many power lines 607 and formed, described signal twisted wire 604 is stranded and formed by having signal conductor 601 and being located at the many holding wires 603 of the insulator 602 around signal conductor 601, described power line 607 has power conductor 605 and is located at the insulator 606 around power conductor 605, bundled mask tape 609, it is wrapped in around set twisted wire 608, drain wire 610, it is indulged bag or is spirally wound on bundled mask tape 609 around, woven shield 611, it is located at around bundled mask tape 609 across drain wire 610, and is formed by many yarn woven, and sheath 612, it is located at around woven shield 611.
This Signal transmissions cable 600 is formed with holding wire 603 with power line 607 by the structure of bundled mask tape in the lump electromagnetic shielding by the bundled mask tape 609 be wrapped in around set twisted wire 608, due to holding wire 603 not independent of power line 607 not by electromagnetic shielding singly, therefore there is the signal transmitted by holding wire 603 and be easily subject to from the such problem of the impact of the electromagnetic noise of power line 607.
In addition, Signal transmissions cable 600 usually distribution in use bears bending part, with regard to above-mentioned structure, because in use bearing bending, distance between holding wire 603 and bundled mask tape 609 changes, and therefore has fluctuation, impedance operator that impedance occurs on cable length direction and easily worsens such problem.
And then, when connector being connected to the terminal part of Signal transmissions cable 600, need the inside at Signal transmissions cable 600 to contact with each other and spacing maintains while constant many holding wires 603 extract out from bundled mask tape 609, change the spacing of holding wire 603 in the mode of the contact spacing meeting connector and make it separately, therefore also having that impedance while this partly shielding effect characteristic degradation changes and impedance operator worsens such problem.
As the Signal transmissions cable solved these problems, broadband shielding composite cable (broadband composite shielded cable) is described in patent documentation 1, it is around coaxial signal line, is provided with the holding wire screen different from periphery screen across insulator.
With regard to this broadband shielding composite cable, due to coaxial signal line independent of thin-walled thin footpath insulated power supplies line by holding wire screen electromagnetic shielding singly, therefore the signal transmitted by coaxial signal line is not vulnerable to the impact of the electromagnetic noise from thin-walled thin footpath insulated power supplies line, and following such problem can not occur: the distance in use between coaxial signal line and holding wire screen change and on cable length direction, there is the fluctuation of impedance, impedance operator worsens.
In addition, with regard to broadband shielding composite cable, when connector being connected to its terminal part, even if change the spacing of coaxial signal line and make it separately, coaxial signal line is also by holding wire screen electromagnetic shielding singly, and coaxial signal line can be coated to holding wire screen, until near coaxial signal line being connected with the contact of connector, therefore, it is possible to suppress shielding character, impedance operator to worsen.
But in broadband shielding composite cable, owing to not using drain wire, ground connection operation when therefore connector being connected to its terminal part likely becomes numerous and diverse.
Therefore, as the coaxial signal line of broadband shielding composite cable, as shown in Figure 7, consider to use general holding wire 700, it possesses: by stranded for many wire rods 701 and formed inner conductor 702, be located at insulator 703 around inner conductor 702, the external conductor 705 be made up of around screen the horizontal stroke formed around the surrounding of insulator 703 by many wire rods 704 horizontal stroke and the chuck (jacket) 706 be located at around external conductor 705.
In recent years, along with the high-resolution of image file, the high tone quality etc. of music file, the information processed in electronic equipment increases, and therefore requires these information as the further high capacity of the holding wire of electrical signal transfer and high speed.
But, along with the frequency gets higher of the signal of telecommunication, electric current concentrates on the surface of inner conductor (many wire rods) because of skin effect, and the net sectional area of inner conductor reduces, therefore the signal of telecommunication frequency rise while resistance (AC resistance) uprise, conductor losses increase.
The method preventing conductor losses from increasing as suppressing this resistance to rise, considers the external diameter increasing inner conductor.Such as, by the external diameter of inner conductor is changed to 36AWG from 38AWG (American wire gage), about resistance can be made to be reduced to half.
But if use the inner conductor of 36AWG, make and possess the horizontal holding wire around screen and chuck, then the external diameter of holding wire becomes large.
Therefore, just possess with regard to the horizontal holding wire around screen and chuck, utilize the method for the external diameter increasing inner conductor to suppress resistance rise and prevent conductor losses increase from can run in the opposite direction with the industry trend turning to target with the thin footpath of cable, therefore not talkative is desirable.
To this, in patent documentation 2, describe the wire harness possessing conductor, be located at the insulator around conductor and the band screen across the mask tape of adhesion coating lap wound around insulator.
According to the wire harness of this band screen, by omitting chuck, use the mask tape that thickness is thin compared with the screen with horizontal stroke, it is horizontal less around the holding wire of screen and chuck than possessing to make external diameter, even if the external diameter of increase conductor, also can reduce the external diameter of holding wire.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2002-216550 publication
Patent documentation 2: Japanese Unexamined Patent Publication 8-77835 publication
Patent documentation 3: Japanese Unexamined Patent Publication 8-77836 publication
Summary of the invention
The problem that invention will solve
But, usually, in the holding wire transmitting high frequency electrical signal (high-frequency signal), in order to shorten the transmission delay time, need the dielectric constant reducing insulator, and in order to suppress the increase of dielectric loss of rising with transmission speed, needing the dielectric loss angle tangent reducing insulator, therefore usually using dielectric constant, dielectric loss angle tangent are little, dielectric property is excellent fluororesin as the material of insulator.
But because fluororesin is chemically highly stable and low with the compatibility of other materials, in the wire harness of therefore described in patent documentation 2 band screen, the insulator formed by fluororesin is possible insufficient with being bonded with of the adhesion coating of mask tape.
Consequently, mask tape is only bonding in the part of the overlapping of the mask tape of lap wound, therefore produces following problem: the mask tape of lap wound misplaces and easily unties, because this is untied, between adjacent mask tape, produce gap, thus the electrical characteristics such as shielding character, impedance operator worsen.
Particularly, when being used as the outside wirings such as USB cable, in use bear bending situation more, easily untie in this sweep mask tape, and the distance between conductor and mask tape easily becomes unstable on whole cable length direction, therefore likely there is large fluctuation in impedance on cable length direction, and electrical characteristics when transmitting high-frequency signal significantly worsen.
Therefore, the object of the invention is to, provide a kind of Signal transmissions cable, even if it in use bears bending, mask tape is also not easily untied, and can maintain excellent electrical characteristics.
For the method for dealing with problems
The present invention proposed to realize this object is a kind of Signal transmissions cable, it is for possessing set twisted wire, be wrapped in the bundled mask tape around described set twisted wire, and be located at the Signal transmissions cable of the sheath around described bundled mask tape, described set twisted wire is by holding wire, power line and drain wire be stranded in the lump and formed, described holding wire possesses: signal conductor, be located at the insulator around described signal conductor, be wrapped in the insulating tape around described insulator, and the mask tape be wrapped in around described insulating tape, described mask tape has the adhesive linkage be located on the face relative with described insulating tape, and it is bonding with described insulating tape by described adhesive linkage.
Preferred described mask tape is contacted with described bundled mask tape by described drain wire.
The external diameter of preferred described power line is 0.66 times of the external diameter of described holding wire, and the external diameter of described drain wire is 0.34 times of the external diameter of described holding wire.
Many described holding wires, many described power lines and many described drain wires are formed remaining stranded in the lump under electric symmetric state by preferred described set twisted wire.
Preferred described mask tape contacts with each other.
Preferred described set twisted wire has insertion line further.
The external diameter of preferred described insertion line is 0.34 times of the external diameter of described holding wire.
Preferred described insulator is formed by fluororesin.
Preferred described mask tape lap wound become more than 1/5 circle and 1/2 circle below.
Preferred described mask tape has insulating barrier, and described insulating tape and described insulating barrier are formed by PETG.
Preferred described mask tape has metal level, and described metal level is formed by aluminium.
Preferred described insulating tape has the adhesive linkage be located on the face relative with described mask tape.
Invention effect
According to the present invention, can provide a kind of Signal transmissions cable, even if it in use bears bending, mask tape is also not easily untied, and can maintain excellent electrical characteristics.
Accompanying drawing explanation
Fig. 1 is the sectional view that the Signal transmissions cable that embodiment of the present invention relates to is shown.
Fig. 2 is the sectional view of an example of the holding wire of the Signal transmissions cable that Fig. 1 is shown.
Fig. 3 is the sectional view of the variation that holding wire is shown.
Fig. 4 is the sectional view of the variation that holding wire is shown.
Fig. 5 is the sectional view of the variation that holding wire is shown.
Fig. 6 is the sectional view that the Signal transmissions cable that prior art relates to is shown.
Fig. 7 is the sectional view that the holding wire that prior art relates to is shown.
Symbol description
100 Signal transmissions cables
101 holding wires
102 power lines
103 drain wires
104 set twisted wires
105 bundled mask tapes
106 sheaths
107 signal conductors
108 insulators
109 insulating tapes
110 mask tapes
111 adhesive linkages
112 wire rods
113 metal levels
114 power conductors
115 insulators
116 insert line
117 resin beds
118 metal levels
300 holding wires
301 insulating tapes
302 resin beds
303 adhesive linkages
400 holding wires
401 mask tapes
402 insulating barriers
500 holding wires
Embodiment
Below, with reference to the accompanying drawings, the preferred embodiment of the present invention is described.
As shown in Figure 1, Signal transmissions cable 100 of the present embodiment possesses: by holding wire 101, power line 102 is stranded in the lump with drain wire 103 and the set twisted wire 104 that formed; Be wrapped in the bundled mask tape 105 around set twisted wire 104; And the sheath 106 be located at around bundled mask tape 105.
As shown in Figure 2, holding wire 101 possesses: signal conductor 107, the mask tape 110 being located at insulator 108 around signal conductor 107, being wrapped in the insulating tape 109 around insulator 108 and being located at around insulating tape 109, mask tape 110 has the adhesive linkage 111 be located on the face relative with insulating tape 109, and bonding with insulating tape 109 by adhesive linkage 111.
Signal conductor 107 forms the inner conductor of coaxial cable structure, by stranded for the many wire rods 112 formed by the copper of excellent electric conductivity, aluminium or their alloy etc. and formed.These wire rods 112 also can be applied with the plating process utilizing tin, silver or nickel etc. in its surface.
Insulator 108 forms the dielectric of coaxial cable structure, is formed by fluororesin such as tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA), tetrafluoraoethylene-hexafluoropropylene copolymer (FEP) or ethylene-tetrafluoroethylene copolymers (ETFE).Fluororesin is little due to dielectric constant, dielectric loss angle tangent, therefore by using fluororesin as the material of insulator 108, then suppresses the increase of the dielectric loss risen with transmission speed while can suitably shortening the transmission delay time.
Insulating tape 109 is being that the resin bed that the PETG (PET) of 2 μm to about 6 μm is formed is formed by thickness.Because the material of PETG to the adhesive linkage 111 illustrated hereinafter has excellent cementability, therefore by using PETG as the material of insulating tape 109, can to insulating tape 109 bonding mask tape 110 securely.
Mask tape 110 also has metal level 113 except adhesive linkage 111.This metal level 113 forms the external conductor of coaxial cable structure, and in order to guarantee sufficient shielding character, the aluminium being 5 μm to about 12 μm by thickness is formed.
The Polyester hot melt mould assembly bonding agent that adhesive linkage 111 is 2 μm to about 5 μm by thickness is formed.Because the material of Polyester hot melt mould assembly bonding agent to the metal level 113 above illustrated has excellent cementability, therefore by using Polyester hot melt mould assembly bonding agent as the material of adhesive linkage 111, adhesive linkage 111 and the stripping of metal level 113 can be prevented, they can be processed integratedly as mask tape 110.
At this, although use PETG as the material of insulating tape 109, use Polyester hot melt mould assembly bonding agent as the material of adhesive linkage 111, use aluminium as the material of metal level 113, as long as but they can play the combination of excellent cementability mutually, then also can use other material.
Preferably this mask tape 110 lap wound becomes more than 1/5 circle and below 1/2 circle.This is because when mask tape 110 lap wound becomes to be less than 1/5 circle, the overlapping of mask tape 110 is few, and mask tape 110 bond area each other diminishes, winding spacing in sweep mask tape 110 when bearing bending dislocation and becoming easily is untied.In addition, when mask tape 110 lap wound becomes more than 1/2 circle, produce the part of the triple winding in mask tape 110, make the external diameter of holding wire 101 become large.
Be explained, the reason of lap wound mask tape 110 is because such as, when winding is docked in mask tape 110, produce the coating gap of non-conductively-closed band 110 at sweep when bearing bending, on cable length direction, large fluctuation occurs in impedance.
In addition, mask tape 110 is contacted with bundled mask tape 105 by drain wire 103 on whole cable length direction.Therefore, drain wire 103, bundled mask tape 105 become same potential (earthing potential) with mask tape 110 on whole cable length direction.
In addition, when there are many holding wires 101, mask tape 110 contacts with each other on whole cable length direction.Therefore whole mask tapes 110, drain wire 103 become same potential (earthing potential) with bundled mask tape 105 on whole cable length direction.
Referring again to Fig. 1, power line 102 has power conductor 114 and is located at the insulator 115 around power conductor 114.
Power conductor 114 be by the single line formed by the copper of excellent electric conductivity, aluminium or their alloy etc. or many wire rods being formed by the copper of excellent electric conductivity, aluminium or their alloy etc. stranded and formed.These wire rods also can be applied with the plating process utilizing tin, silver or nickel etc. in its surface.
Insulator 115 is not particularly limited, but is formed by the polyimide resin of insulating properties excellence, polyamide-imide resin or polyesterimide resin etc.
When Signal transmissions cable 100 is USB cable, uses Signal transmissions cable 100, between electronic equipment and USB device, carry direct voltage, therefore need 2 power lines 102 carrying use and feedback current.In addition, when with need carry alternating voltage purposes use Signal transmissions cable 100, need 3 power lines 102 to carry three-phase alternating current.
Drain wire 103 be by the single line formed by the copper of excellent electric conductivity, aluminium or their alloy etc. or many wire rods being formed by the copper of excellent electric conductivity, aluminium or their alloy etc. stranded and formed.These wire rods also can be applied with the plating process utilizing tin, silver or nickel etc. in its surface.
The quantity of the quantity of holding wire 101, the quantity of power line 102 and drain wire 103 freely can change as required in the mode being suitable for specific purposes.
Many holding wires 101, many power lines 102 are formed remaining stranded in the lump under electric symmetric state with many drain wires 103 by preferred set twisted wire 104.This is because, by they are stranded in the lump under the electric symmetric state of maintenance, thus the balance of electrical characteristics can be kept on whole cable length direction.
In addition, preferably set twisted wire 104 has insertion line 116 further.This insertion line 116 is not particularly limited, but is formed by the polyimide resin of insulating properties excellence, polyamide-imide resin, polyesterimide resin or tension stress fiber etc.
Had further by set twisted wire 104 and insert line 116, can, with insertion line 116 landfill in the gap will formed time stranded to holding wire 101, power line 102 and drain wire 103, cross-section of cable shape can be made close to the positive round of resistance to bend(ing) excellence.
Such as, as an example, when holding wire 101, power line 102, drain wire 103 and insertion line 116 respectively exist 2, by the external diameter of power line 102 being set to 0.66 times of the external diameter of holding wire 101, the external diameter of drain wire 103 and the external diameter inserting line 116 are set to 0.34 times of the external diameter of holding wire 101, thus cable shape can be made closest to positive round.
Bundled mask tape 105 has resin bed 117 and is located at the metal level 118 on the one or both sides of resin bed 117.
The PETG (PET) that resin bed 117 is 4 μm to about 12 μm by thickness is formed, can guarantee sufficient mechanical property.
The aluminium that metal level 118 is 5 μm to about 12 μm by thickness is formed, can guarantee sufficient shielding character.
Preferably twisted wire 104 is gathered around to be wrapped in identical spacing to the direction identical with lay with the strand of set twisted wire 104 in this bundled mask tape 105.Bundled mask tape 105 is wound around by the mode contacted with drain wire 103 with metal level 118 and is formed all screens, now, bundled mask tape 105 is to be wound around with identical spacing to the direction identical with lay with the strand of set twisted wire 104, thus bundled mask tape 105 does not intersect with drain wire 103, metal level 118 and drain wire 103 straight contact, therefore relevant with the raising of shielding character.
Sheath 106 is not particularly limited, but is formed by fluororesin etc. such as tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer (PFA), tetrafluoraoethylene-hexafluoropropylene copolymer (FEP) or ethylene-tetrafluoroethylene copolymers (ETFE).Because fluororesin is chemically highly stable and mechanical property is also excellent, therefore by using fluororesin as the material of sheath 106, thus can meet as the various characteristics needed for outside wiring.
So far, as described above, with regard to Signal transmissions cable 100 of the present embodiment, holding wire 101 is conductively-closed band 110 electromagnetic shielding singly independent of power line 102, therefore the signal transmitted by holding wire 101 is not vulnerable to the impact of the electromagnetic noise from power line 102, and following such problem can not occur when using: the distance between holding wire 101 and mask tape 110 change and on cable length direction, there is the fluctuation of impedance, impedance operator worsens.
In addition, with regard to Signal transmissions cable 100 of the present embodiment, when connector being connected to its terminal part, even if the spacing changing holding wire 101 makes it separately, holding wire 101 is conductively-closed band 110 electromagnetic shielding singly also, and holding wire 101 can be coated to mask tape 110, until near being connected with the contact of connector by holding wire 101, therefore, it is possible to suppress shielding character, impedance operator to worsen.
And then with regard to Signal transmissions cable 100 of the present embodiment, owing to adopting drain wire 103, ground connection operation when therefore connector being connected to its terminal part becomes simplifies.
In addition, in Signal transmissions cable 100 of the present embodiment, holding wire 101 possess be wrapped in around insulator 108 while adhesive linkage 111 had to the insulating tape 109 of excellent cementability, described insulator 108 does not almost have cementability for the adhesive linkage 111 be located on mask tape 110.
Therefore, mask tape 110 is adhered to insulating tape 109 with all-round fastness under the state maintaining winding spacing, thus unties in sweep mask tape 110 when can prevent from bearing bending and electrical characteristics deterioration.
In addition, because insulating tape 109 is not adhered to insulator 108, when therefore in use bearing bending, insulating tape 109 likely with in the state of cylindrical shape at cable length side's upward sliding, but because mask tape 110 is adhered to insulating tape 109 securely, so there is no mask tape 110 and untie and electrical characteristics deterioration.
Not only so, when in use bearing bending, mask tape 110 at cable length side's upward sliding, thus makes the stress dispersion being applied to insulator 108, mask tape 110 together with insulating tape 109, can improve resistance to bend(ing).
In addition, with regard to Signal transmissions cable 100 of the present embodiment, in holding wire 101, omit chuck and use the mask tape 110 that thickness is thin compared with the screen with horizontal stroke, therefore horizontal compare around screen can reduce external diameter with the holding wire in the past of chuck with possessing, even if increase the external diameter of signal conductor 107, the external diameter of holding wire 101 also can be reduced.
Be explained, the present invention is not limited to the Signal transmissions cable 100 that above-mentioned execution mode relates to, and can implement various change without departing from the spirit and scope of the invention to the form of Signal transmissions cable 100.
Such as, as shown in Figure 3, also can replace holding wire 101 and use following holding wire 300: insulating tape 301, except the resin bed 302 formed by PETG, also has the adhesive linkage 303 be located on the face relative with mask tape 110.
Adhesive linkage 303 is formed by Polyester hot melt mould assembly bonding agent in the same manner as the adhesive linkage 111 be located on mask tape 110.Thus, adhesive linkage 111 and adhesive linkage 303 form same material joint each other, thus can improve adhesive strength further.
In addition, by adhesive linkage 303, the overlapping part of insulating tape 301 is also bonding, and therefore the winding spacing of insulating tape 301 is more difficult to dislocation, can positively prevent insulating tape 301 from untiing further.
Therefore, by using holding wire 300, except the benefit of holding wire 101, even if bending with harsher angle of bend, bending radius, mask tape 110 is also not easily being untied, and can maintain excellent electrical characteristics.
In addition, as shown in Figure 4, also can replace holding wire 101 and use following holding wire 400: mask tape 401 also has insulating barrier 402 except adhesive linkage 111 and metal level 113.
Insulating barrier 402 is such as located between adhesive linkage 111 and metal level 113, is formed by PETG.Because PETG has excellent mechanical strength, therefore by using PETG as the material of insulating barrier 402, the low mechanical strength of adhesive linkage 111, metal level 113 can be compensated.
Therefore, by using holding wire 400, except the benefit of holding wire 101, the mechanical strength as outermost mask tape 401 can also being improved, the reduction of the mechanical strength caused because omitting chuck can being relaxed.
In addition, around insulating tape 109 during winding mask tape 401, be wound around under the state of tension force mask tape 401 being applied to regulation, but by improving the mechanical strength of mask tape 401, not easily there is the fracture etc. caused by the tension force applied, therefore, it is possible to be wound around mask tape 401 tightly, mask tape 401 can be adhered to insulating tape 109 more firmly.
And then, as shown in Figure 5, also can replace holding wire 101 and use following holding wire 500: insulating tape 301 is except the resin bed 302 formed by PETG, also there is the adhesive linkage 303 be located on the face relative with mask tape 110, and, mask tape 401, except adhesive linkage 111 and metal level 113, also has insulating barrier 402.
That is, holding wire 500 forms form holding wire 300 and holding wire 400 combined.
Therefore, by using holding wire 500, except the benefit of holding wire 101, the benefit of holding wire 300 and holding wire 400 both sides can also be obtained.
As mentioned above, according to the present invention, can provide a kind of Signal transmissions cable, even if it in use bears bending, mask tape is also not easily untied, and can maintain excellent electrical characteristics.
Claims (12)
1. a Signal transmissions cable, it is characterized in that, for possessing set twisted wire, being wrapped in the bundled mask tape around described set twisted wire and being located at the Signal transmissions cable of the sheath around described bundled mask tape, described set twisted wire is stranded in the lump and formed by holding wire, power line and drain wire
Described holding wire possesses:
Signal conductor,
Be located at the insulator around described signal conductor,
Be wrapped in insulating tape around described insulator and
Be wrapped in the mask tape around described insulating tape,
Described mask tape has the adhesive linkage be located on the face relative with described insulating tape, and bonding with described insulating tape by described adhesive linkage.
2. Signal transmissions cable according to claim 1, described mask tape is contacted with described bundled mask tape by described drain wire.
3. Signal transmissions cable according to claim 1 and 2, the external diameter of described power line is 0.66 times of the external diameter of described holding wire,
The external diameter of described drain wire is 0.34 times of the external diameter of described holding wire.
4. the Signal transmissions cable according to any one in claims 1 to 3, many described holding wires, many described power lines and many described drain wires are formed remaining stranded in the lump under electric symmetric state by described set twisted wire.
5. Signal transmissions cable according to claim 4, described mask tape contacts with each other.
6. the Signal transmissions cable according to any one in claim 1 to 5, described set twisted wire has insertion line further.
7. Signal transmissions cable according to claim 6, the external diameter of described insertion line is 0.34 times of the external diameter of described holding wire.
8. the Signal transmissions cable according to any one in claim 1 to 7, described insulator is formed by fluororesin.
9. the Signal transmissions cable according to any one in claim 1 to 8, described mask tape lap wound become more than 1/5 circle and 1/2 circle below.
10. the Signal transmissions cable according to any one in claim 1 to 9, described mask tape has insulating barrier,
Described insulating tape and described insulating barrier are formed by PETG.
11. Signal transmissions cables according to any one in claim 1 to 10, described mask tape has metal level,
Described metal level is formed by aluminium.
12. Signal transmissions cables according to any one in claim 1 to 11, described insulating tape has the adhesive linkage be located on the face relative with described mask tape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014011391A JP2015138751A (en) | 2014-01-24 | 2014-01-24 | signal transmission cable |
| JP2014-011391 | 2014-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104810093A true CN104810093A (en) | 2015-07-29 |
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ID=53694865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410260613.9A Pending CN104810093A (en) | 2014-01-24 | 2014-06-12 | Cable for signal transmission |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015138751A (en) |
| CN (1) | CN104810093A (en) |
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| CN108063002A (en) * | 2018-01-17 | 2018-05-22 | 张家港特恩驰电缆有限公司 | A kind of discrete shielding band and its manufacturing method for local network transport cable |
| CN108063002B (en) * | 2018-01-17 | 2023-08-15 | 上海电气集团腾恩驰科技(苏州)有限公司 | Discontinuous shielding tape for local area network transmission cable and manufacturing method thereof |
| CN113165585A (en) * | 2018-12-07 | 2021-07-23 | 住友电装株式会社 | Composite cable |
| CN113678212A (en) * | 2019-04-26 | 2021-11-19 | 日星电气株式会社 | Communication cable |
| CN117747183A (en) * | 2019-06-11 | 2024-03-22 | 株式会社博迈立铖 | Communication cable and method for manufacturing the same |
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|---|---|
| JP2015138751A (en) | 2015-07-30 |
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Application publication date: 20150729 |