CN101494096A - Shielding flat flexible cable - Google Patents
Shielding flat flexible cable Download PDFInfo
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- CN101494096A CN101494096A CNA2008100095792A CN200810009579A CN101494096A CN 101494096 A CN101494096 A CN 101494096A CN A2008100095792 A CNA2008100095792 A CN A2008100095792A CN 200810009579 A CN200810009579 A CN 200810009579A CN 101494096 A CN101494096 A CN 101494096A
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Abstract
The invention relates to a shielding flat flexible cable and discloses an example implementing mode of the shielding flat flexible cable; in the example implementing mode, the shielding flat flexible cable generally comprises a cable body which is provided with insulating materials and one or more conductors used for signal transmission; at least one conductor has an uncovered conductor part which is not covered by the insulating materials; conductive fabrics are generally arranged on at least one part of the periphery of the cable body; the conductive fabrics are bonded on the cable body by a conductive pressure-sensitive bonding agent and are electrically connected to the uncovered conductor part; and an external covering part is approximately arranged on the conductive fabrics. The external covering part can be made from polyester, mira and/or one or a plurality of other suitable materials.
Description
Technical field
The disclosure relates generally to shielding flat flexible cable and correlation technique.
Background technology
The description of this part only provides the background information relevant with the disclosure, does not constitute prior art.
Flat flexible cable (FFC) can be used for the signal transmission between the circuit board of electronic installation or system, especially may be complicated and/or have the confined space and need under the situation of cable bending or warpage at equipment.Common flat cable can be made by coat electric conductor (for example, pin, holding wire etc.) with insulating material, but end conductor keeps exposing so that cable is electrically connected to device.Conductor cable length along the line is longitudinal extension in parallel with each other.
Because conductor is parallel to each other is arranged side by side, so noise can be added on the conductor, so noise may disturb and/or interrupt the transfer of data that the conductor by flat flexible cable carries out.When the flat flexible cable transmission signals, can produce the electromagnetic wave of relative high frequency and high energy, thereby cause electromagnetic interference (EMI).
As used herein, term " EMI " should be considered to generally include and refer to that EMI emission and RFI launch, and term " electromagnetism " should be considered to generally include and refers to electromagnetism and radio frequency from external source and inside sources.Therefore, term shielding (as used herein) generally includes and refers to that EMI shielding, EMC (Electro Magnetic Compatibility) and RFI shield.
Summary of the invention
According to each side, provide the illustrative embodiments of shielding flat flexible cable.In an illustrative embodiments, shielding flat flexible cable roughly comprises cable stock, and this cable stock has insulating material and one or more conductor that is used for the signal transmission.At least one conductor has the not covering conductor portion that is not covered by described insulating material.Conductive fabric is disposed generally on around at least a portion of described cable stock.The conduction pressure adhesive is attached to described cable stock with described conductive fabric, and described conductive fabric is electrically connected to the described conductor portion that do not cover.Can or step the outer cover of drawing (Mylar) to form by polyester is disposed generally on the described conductive fabric.
Another illustrative embodiments comprises the equipment that is used for the shielded flat cable, and this flat cable has cable stock, and this cable stock comprises insulating material and one or more conductor that is used for the signal transmission.At least one conductor has the not covering conductor portion that is not covered by described insulating material.Do not cover conductor portion roughly at the length longitudinal extension of not covering between the end of conductor along described cable stock.In this illustrative embodiments, conductive fabric is wrapped in around the cable stock.The conduction pressure adhesive is attached to cable stock with conductive fabric, and does not form electrical connection along the described length that does not cover conductor portion between conductor portion and the conductive fabric described the covering.Can comprise that stepping the outer cover of drawing is arranged on the described conductive fabric.
Another illustrative embodiments comprises a kind of shielding flat flexible cable with cable stock, and this cable stock has insulating material and one or more conductor that is used for the signal transmission.At least one conductor has the not covering conductor portion that is not covered by described insulating material, this do not cover conductor portion roughly between the end of described at least one conductor along the length longitudinal extension of described cable stock.The conduction pressure adhesive comprises along the described length that does not cover conductor portion and does not describedly cover the part that conductor portion electrically contacts.Can comprise that stepping the outer cover of drawing is disposed generally on the described conduction pressure adhesive.In some embodiments, described shielding flat flexible cable does not comprise conductive fabric, but described outer cover is applied directly on the described conduction pressure adhesive.
Other aspects relate to the method for making shielding flat flexible cable, and/or the method for shielding is provided for flat flexible cable.In the execution mode of an illustrative methods, flat flexible cable can comprise cable stock, and this cable stock has insulating material and one or more conductor that is used for the signal transmission.At least one conductor has the not covering conductor portion that is not covered by described insulating material.The described at least the first side longitudinal extension that does not cover conductor portion along described cable stock.This method can comprise conductive fabric is attached to described cable stock, so that described conductive fabric is electrically connected to the described conductor portion that do not cover along the described length that does not cover conductor portion.This method comprises that also use can cover described conductive fabric by the outer cover that Mai La and/or one or more other materials constitute.
Will know other suitable application areas by description provided herein.Should understand, description and specific embodiment only are used for illustrative purposes, are not to be used for limiting the scope of the present disclosure.
Description of drawings
Accompanying drawing described herein and is not intended to limit by any way the scope of the present disclosure only for illustrative purposes.
Fig. 1 is the vertical view according to the shielding flat flexible cable of illustrative embodiments;
Fig. 2 A, 2B are according to the vertical view of the shielding flat flexible cable shown in Fig. 1 of illustrative embodiments in different assembling stage processes with 2C;
Fig. 3 is that shielding flat flexible cable cuts open the amplification view of getting along the plane 3-3 shown in Fig. 1;
Fig. 4 illustrates according to illustrative embodiments at the schematic diagram that is electrically connected the shielding flat flexible cable that is used as the signal transmission path between the circuit board between the circuit board;
Fig. 5 is the process chart of making according to the shielding flat flexible cable method of illustrative embodiments;
Fig. 6 is the cutaway view according to the shielding flat flexible cable of another illustrative embodiments;
Fig. 7 is the cutaway view according to the shielding flat flexible cable of another illustrative embodiments; And
Fig. 8 is the cutaway view according to the shielding flat flexible cable of another illustrative embodiments.
Embodiment
Following description only is exemplary in essence, and is not intended to limit the disclosure, application or use.Should be appreciated that in institute's drawings attached, corresponding Reference numeral is represented identical or corresponding components.
In each execution mode, flat flexible cable generally includes has the cable stock that is arranged in the one or more conductors (for example pin, holding wire etc.) in the insulating material to small part.At least one conductor in the described conductor comprises the not covering part that is not insulated the material covering.The conduction pressure adhesive can be used to conductive fabric is attached to cable stock, and is used for conductive fabric is electrically connected to and does not cover conductor portion.Conductive fabric can draw by stepping, polyester or other materials cover.In some embodiments, conductive fabric is wrapped in around the cable stock, so that conductor is encapsulated by conductive fabric substantially.This helps to provide shielding, and is suppressed at the electromagnetic wave leakage that is produced by conductor in the signals transmission.Therefore, the illustrative embodiments disclosed herein thereby the flat flexible cable (FFC) (flexible cable that for example, has common flattened cross-sectional) that can provide reliably and make with the manufacturing cost that reduces.Some execution modes also can have relative long useful life when being used for the environment of high relatively vibration, this has not formed relative good electrical connection because conduction pressure adhesive edge covers the whole length of conductor portion (or whole substantially length) with conductive fabric to small part.
Other aspects of the present disclosure comprise equipment or the device that is used to flat flexible cable that shielding is provided.Other aspect relates to the method for making shielding flat flexible cable and/or the method that shielding is provided for flat flexible cable.
Referring now to accompanying drawing, Fig. 1 and Fig. 3 illustrate the illustrative embodiments of the shielding flat flexible cable 100 of implementing the one or more aspects of the disclosure.As shown in fig. 1, cable 100 roughly comprises by insulating material 108 (for example polyester or one or more other insulating material etc.) and is used for the cable stock 104 that the conductor 112 (for example pin, holding wire etc.) of transmission signals forms.Be not insulated material 108 coverings except covering conductor portion 116 (Fig. 3) and end conductor 114, conductor 112 is coated or is covered by insulating material 108.End 114 can be used for cable 100 is electrically connected to device (for example computer etc.).For example, Fig. 4 illustrates cable 100 and is connected electrically between circuit board 136 and 138, thereby therefore cable 100 can be used as the signal transmission path between circuit board 136 and 138.The various execution modes of shielding flat flexible cable disclosed herein (for example 100,300,400 etc.) can use with the device of a lot of types, for example the part of electronic installation or computer, car audio system etc.
Continuation is with reference to Fig. 1, and the length of conductor 112 cable main bodys 104 along the line is almost parallel ground longitudinal extension each other.Conductor 112 can be made by the metal of for example copper or tin-coated copper and so on.Exposing the end or not covering end 114 of conductor 112 can be coated with antioxidant layer (for example gold-plated etc.) or other materials.Other execution modes can comprise more or less conductor 112 and/or can have the different structure of structure to that indicated in the drawings (for example, different shape, cross section, size and layout etc.) according to the concrete application of for example cable 100 or final use conductor.
Shown in Fig. 2 B and 3, a conductor in the conductor 112 comprises the not covering conductor portion 116 that is not insulated material 108 coverings.At least the first side that does not cover conductor portion 116 cable main bodys 104 along the line is longitudinal extension roughly, and roughly extends between the not covering end 114 of conductor.Other execution mode can comprise that more than one has the not conductor of covering part, and/or one or more have not vertically across or along the conductor of the not covering part of cable stock longitudinal extension.Other execution modes can comprise having two or more not conductors of covering part.
The mode by embodiment only, cable stock 104 can be provided with have been exposed or unlappedly not to have covered conductor portion 116, thereby need not in order to expose or to expose any part that does not cover conductor portion 116 and remove (for example striking off etc.) insulating material 108.Cable stock 104 can form and not cover conductor portion 116 and always be not insulated material 108 and cover.As another embodiment, not covering conductor portion 116 may need to expose by wiping a part of insulating material 108 (for example film etc.) off, and this can find out by comparison diagram 2A and 2B.Replaceable execution mode can comprise providing to have other modes that at least one is with the cable stock of the conductor that does not cover conductor portion.
With reference to Fig. 2 C and 3, cable 100 can use conductive fabric 120 to coat (for example parcel etc.).Cable stock 104 and conductive fabric 120 can be by conduction pressure adhesive 124 (Fig. 3) combine (for example secure bond etc.) each other.Conduction pressure adhesive 124 also can be electrically connected to conductive fabric 120 and not cover conductor portion 116, preferably along the whole length (or whole substantially length) that does not cover conductor portion 116.This feature can allow noise at conductive fabric 120 with do not cover between the conductor portion 116 and to flow, and provides the electromagnetic interference shield performance for cable 100 thus.
With further reference to Fig. 1 and 3, cable 100 also can comprise external jacket or covering 128.External jacket 128 can be applied at least a portion of cable stock 100 one or both sides.External jacket 128 can be configured to help structurally to strengthen the various elements of shielded cable 100, and/or help element is remained under the confined state together.External jacket 128 also can help to protect conductive fabric 120.
For instance, external jacket 128 can comprise pure or transparent adhesive tape or the bar of drawing advanced in years that is applied on the conductive fabric 120.In such execution mode, can be by separating layer or backing be drawn adhesive tape to remove and will step to draw the adhesive tape adhesive side down to be applied on the conductive fabric 120 and (for example need not heating or instrument etc.) relatively fast and easily and apply to step to draw adhesive tape from stepping.In other embodiments, step and to draw adhesive tape only to be applied on the part of conductive fabric one side.Draw adhesive tape except stepping, also can use alternate material, for example other step and draw product, other polyester materials, other films, other adhesive tapes, plastics etc.
As shown in Figure 3, conductive fabric 120 is wrapped in around the whole cable stock 104.In other embodiments, conductive fabric 120 can be applied to cable stock 104 in other modes except parcel, and/or can apply than the degree of cable stock shown in Figure 1 104 greater or lesserly.For example, another illustrative embodiments can comprise the conductive fabric that is arranged in or is wrapped in less than around the whole cable stock.Another illustrative embodiments (cable 300 for example shown in Figure 6 etc.) is wrapped up conductive fabric twice around can being included in cable stock.
In some embodiments, conductive fabric 120 has than Copper Foil or the big pliability of aluminium foil.In such embodiments, the pliability of conductive fabric 120 can not hinder cable 100 bending relatively freely or warpage.An illustrative embodiments comprises fabric or the cloth that is coated with copper and mickel.Except conductive fabric 120, alternative embodiment can comprise multiple other preferred pliable and tough electric conducting materials.In some embodiments, conductive layer comprise the metallization or coating fabric, wherein metal is copper, nickel, silver, palladium, aluminium, tin, its alloy and/or combination.For example, an embodiment comprises ambrose alloy nylon grid (NRS) fabric.In other embodiments, conductive layer can comprise tissue layer, and this tissue layer is impregnated with metal material so that it has conductivity.The concrete material that is used for conductive fabric 120 or other conductive layers can for example change according to the electrical property of expecting (for example surface resistivity, conductivity etc.), and described electrical property can be depending on the concrete application that for example wherein will use cable again.
Multiple material all can be used for conducting electricity pressure adhesive 124.In an illustrative embodiments, conduction pressure adhesive 124 can comprise that thickness is about 0.1 millimeter bonding agent product (for example, bonding agent etc.) relevant with Chinese WANG PAI trade mark.In another illustrative embodiments, electrically conducting adhesive 124 can comprise that thickness is about 0.05 millimeter bonding agent product (for example, bonding agent etc.) relevant with the Scape trade mark.Exemplary pressure adhesive also comprises the adhesive material of esters of acrylic acid, rubber-like and silicone polymer class etc.As an example, conduction pressure adhesive 124 comprises the esters of acrylic acid material that is converted into oligomer or polymer by monomer (methyl acrylate, ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, third rare nitrile etc.).Again for example, other resins, plastics or the polymer of recovery capability after conduction pressure adhesive 124 can comprise synthetic rubber or natural rubber, butadiene-styrene rubber, styrene-isoprene-phenylethene rubber, silicon rubber or elastomer or show compliance, resilience or compression, low compression set, elasticity and distortion as rubber.Conduction pressure adhesive 124 is shown in Figure 3 for being the layer 124 of basic solid form.But before conduction pressure adhesive 124 cambium layer, conduction pressure adhesive 124 can replace the form of basic fluid to receive electric conducting material (for example nickel powder, copper powder, graphite, silver powder, silver-coated copper powder, silver bag glass dust or other conductive powders, other metals and alloy thereof etc.), so that the conduction pressure adhesive has conductivity.Though the pressure adhesive that will conduct electricity is described as receiving electric conducting material, can use for example is not other bonding agents of pressure adhesive.
In some embodiments, conduction pressure adhesive 124 also can comprise fire retardant, for example at least a or multiple in APP, melamine pyrophosphate or its combination.In some embodiments, fire retardant can be particulate form, for example powder.In some illustrative embodiments, conduction pressure adhesive 124 also can comprise one or more additives, helping the dispersion in conduction pressure-sensitive adhesive agent composition of fire retardant and/or electric conducting material, and/or increase the viscosity of resulting finished product adhesive material.For example, the conduction pressure adhesive can comprise one or more in softening agent, antioxidant, plasticizer, curing agent, tackifier, coupling agent, pigment, dyestuff, the colouring agent etc.In other embodiments, the conduction pressure-sensitive adhesive layer can comprise the halogen corrosion inhibitor, for example the suitable corrosion inhibitor of for example selecting from azoles family (azole family) and/or pyrroles family (pyrolefamily) of BTA or other.
Now will be only mode by embodiment illustrative methods 200 (Fig. 5) is described, can make shielding flat flexible cable (for example 100 etc.) by this method.Usually it should be noted that term " step " can be used to refer to single operation or a plurality of operation in the disclosure and claims.Should also be noted that abovementioned steps needn't carry out in order.
As shown in Figure 5, step 240 comprises the flat flexible cable that obtains or form and have one or more conductors (for example 112 etc.), and at least one conductor in described one or more conductors comprises along at least the first side of cable stock (for example 104 etc.) and is not insulated the not covering part that material (for example 108 etc.) covers (for example 116 etc.).In some embodiments, flat flexible cable can be provided with the not covering conductor portion of having exposed, thereby need not in order to expose or to expose any part that does not cover conductor portion and remove, wipe off or peel off insulating material.Cable stock can form and not cover conductor portion and always be not insulated material and cover.Perhaps, for example, not covering conductor portion may need to expose by wiping or peel off a part of insulating material (for example film etc.) off.Replaceable execution mode can comprise acquisition, provides or form and has other modes of flat flexible cable that at least one band does not cover the conductor of conductor portion.
In step 244, make first side location of conduction pressure adhesive (for example 124 etc.) the cable main body along the line of layer form.This first side for do not cover the conductor portion longitudinal extension along identical side.In step 244, can adopt various materials to be used to conduct electricity pressure adhesive.In addition, other execution modes can comprise in step 244 and use other combinations (for example, other bonding agents etc.).
In step 248, conductive fabric (for example 120 etc.) is applied on the conduction pressure adhesive.In some embodiments, conductive fabric is wrapped in around the cable stock fully, roughly arranges or be clipped in fabric and insulating material/do not cover between the conductor portion will conduct electricity pressure-sensitive adhesive layer along first side.
In step 248, can use various materials.In some embodiments, step 248 comprises the conductive fabric of use pliability greater than Copper Foil or aluminium foil.The electric conducting material that in step 248, adopts can comprise metallization or coating fabric, wherein metal is copper, nickel, silver, palladium, aluminium, tin, its alloy and/or combination.Conductive layer can comprise textile material, and this textile material is impregnated with metal material to give its conductivity.The concrete material that uses in step 248 can for example change according to the electrical property of expecting (for example surface resistivity, conductivity etc.), and the electrical characteristics of described expectation can for example depend on the concrete application that wherein will use cable again.In addition, described fabric (or other material) can also otherwise apply except parcel in step 248, and/or can be only around the part of cable stock apply and/or around the cable stock parcel once more than.
Continuation is with reference to Fig. 5, and step 252 comprises that exert pressure (for example at room temperature waiting) makes the conduction pressure adhesive form the combination that conductive fabric is bonded to cable stock, and conductive fabric is electrically connected to do not cover conductor portion.In some embodiments, the conduction pressure adhesive covers the whole or whole substantially conductor portion that do not cover, and does not cover conductor portion thus conductive fabric is electrically connected to along the whole length (or whole substantially length) that does not cover conductor portion.In some embodiments, step 252 does not comprise any solvent, water or is used to activate the heating of pressure adhesive.On the contrary, in some embodiments, step 252 can at room temperature be carried out, thereby do not exist cable is not caused the risk that adds cause thermal damage, this with wherein can use the step of high relatively welding temperature different.In addition, the conduction pressure adhesive also can form along the whole length that does not cover conductor portion (or whole substantially length) and be connected with the good electrical of conductive fabric.This method with the electrical connection that comprises the single-point welding is compared, and can improve shield effectiveness again.In some embodiments, step 252 for example also can comprise the quality control of ohm test etc.
Fig. 6 shows another illustrative embodiments of the shielding flat flexible cable 300 of implementing the one or more aspects of the disclosure.In this illustrative embodiments, cable 300 comprises that centering on cable stock wraps up twice conductive fabric 320.In some embodiments, one or more elements of cable 300 (for example, insulating material 308, conductor 312, do not cover conductor portion 316, bonding agent 324, outer cover 328 etc.) can be similar or basic identical with the respective element of cable 100.
Fig. 7 shows another illustrative embodiments of the shielding flat flexible cable 400 of implementing the one or more aspects of the present invention.In this illustrative embodiments, cable 400 comprises that two have the not conductor 412 of covering part 416.Have the not adjacent conductor 412 of covering part 416 though Fig. 7 shows two, other execution modes can comprise the not conductor of covering part that has greater or less than two.Other execution modes can comprise two or more not isolated non-conterminous conductors of covering part that have.In some embodiments, one or more elements of cable 400 (for example insulating material 408, bonding agent 424, external jacket or covering 428 etc.) can be similar or basic identical with the respective element of cable 100.
Fig. 8 shows another illustrative embodiments of the shielding flat flexible cable 500 of implementing one or more aspects of the present disclosure.In this illustrative embodiments, cable 500 does not comprise the conductive fabric that is wrapped in around the cable stock.Cable 500 comprises outer cover on the outer surface that applies or be arranged in conduction pressure adhesive 524 or sheath 528 (for example, step to draw bonding film, one or more other suitable material etc.).Continue this embodiment, outer cover 528 is applied on the both sides of cable stock, and conduction pressure adhesive 524 is applied on the side of cable stock.In addition, conduction pressure adhesive 524 comprises the part that the not covering part 516 with conductor 512 electrically contacts.Replaceable execution mode can not only comprise having the not conductor of covering part.Different with Fig. 8, other execution mode can comprise that one or more on second side that is positioned at cable stock or the opposite side have the not conductor of covering part, can arrange electrically conducting adhesive along the both sides of cable stock in this case.Other execution mode can comprise outer cover 528 and/or the electrically conducting adhesive 524 on the big or little part of the ratio that applies or be arranged in cable stock part shown in Figure 8.In some embodiments, one or more elements of cable 500 (for example, insulating material 508 etc.) can be similar or basic identical with the counter element of cable 100.
Therefore terms more used herein are not in order to limit only for the reference purpose.For example, such as " on ", term the D score, " top ", " below ", " top " and " bottom " refers to the direction in the related accompanying drawing.The some parts of the term description element such as " preceding ", " back ", " rear portion ", " bottom " and " side " is in the compatible but orientation in the reference system arbitrarily, by becoming clear with reference to literal and relevant drawings that the discussion element is described.Such term can comprise the above word of mentioning especially, its derivative and synonym.Equally, term " first ", " second " and other so digital terms that relates to structure do not hint order or order, point out unless context is clear.
When introducing element or feature and illustrative embodiments, term " (a) ", " described " are intended to represent to have one or more such elements or feature.Term " comprises ", " comprising " and " having " be intended to comprise, expression also may have other element or feature except these special instructions.It will also be appreciated that method step described herein, technology and operation should not be construed as must carry out with the concrete order of discussing or illustrating, and carries out in order unless stated otherwise.It will also be appreciated that and to adopt other steps or replaceable step.
Description of the present disclosure only is exemplary in essence, thereby the modification that does not depart from disclosure purport is intended to fall in the scope of the present disclosure.Such modification should not be considered to depart from spirit and scope of the present disclosure.
Claims (26)
1. shielding flat flexible cable, this shielding flat flexible cable comprises:
Cable stock, it comprises insulating material and one or more conductor that is used for the signal transmission, at least one conductor has the not covering conductor portion that is not covered by described insulating material;
Conductive fabric, it is disposed generally on around at least a portion of described cable stock;
The conduction pressure adhesive, it is attached to described cable stock with described conductive fabric, and comprises with the described conductor portion that do not cover and electrically contact and thus described conductive fabric is electrically connected to the described part that does not cover conductor portion; With
Outer cover, it comprises polyester, and is disposed generally on the described conductive fabric.
2. shielding flat flexible cable according to claim 1, wherein, described conductive fabric is wrapped in around the described cable stock, and described thus conductive fabric provides shielding and is suppressed at the electromagnetic leakage that is produced by described conductor in the signals transmission.
3. shielding flat flexible cable according to claim 1, wherein, described outer cover comprises Mai La, and wherein said outer cover is disposed generally on around the described conductive fabric.
4. shielding flat flexible cable according to claim 1, wherein, described outer cover comprises Mai La.
5. shielding flat flexible cable according to claim 1, wherein, described outer cover comprises stepping draws adhesive tape.
6. shielding flat flexible cable according to claim 1, wherein, described do not cover conductor portion roughly between the end of conductor with described not covering part along the length longitudinal extension of described cable stock, and wherein said conduction pressure adhesive along the described length that does not cover conductor portion described cover to form between conductor portion and the described conductive fabric be electrically connected.
7. shielding flat flexible cable according to claim 1, wherein, a described side longitudinal extension that does not cover conductor portion along described cable stock, and wherein said conduction pressure adhesive does not form electrical connection along the described whole length that does not cover conductor portion described the covering between conductor portion and the described conductive fabric.
8. shielding flat flexible cable according to claim 1, wherein, described conductive fabric has the pliability bigger than paper tinsel.
9. shielding flat flexible cable according to claim 1, wherein, described conductive fabric has than aluminium foil or the big pliability of Copper Foil.
10. shielding flat flexible cable according to claim 1, wherein, at least one conductor in the described conductor comprises the not covering end that stretches out and exceed described insulating material and conductive fabric, so that described shielding flat flexible cable is electrically connected to device.
11. shielding flat flexible cable according to claim 1, wherein, described conductor is roughly in parallel with each other along the length longitudinal extension of described cable stock.
12. an electronic installation, it comprises that at least one is electrically connected to the circuit board of the described shielding flat flexible cable of claim 1.
13. equipment that is used for the shielded flat cable, described flat cable comprises cable stock, this cable stock has insulating material and one or more conductor that is used for the signal transmission, at least one conductor has the not covering conductor portion that is not covered by described insulating material, this does not cover conductor portion along the length of described cable stock longitudinal extension between the end of described at least one conductor roughly, and described equipment comprises:
Conductive fabric, it is wrapped in around the described cable stock;
The conduction pressure adhesive, it is attached to described cable stock with described conductive fabric, and does not form electrical connection along the described length that does not cover conductor portion between conductor portion and the described conductive fabric described the covering; With
Outer cover, it comprises Mai La, and is disposed generally on the described conductive fabric.
14. equipment according to claim 13, wherein, described outer cover comprises stepping draws adhesive tape.
15. equipment according to claim 13, wherein, described conductive fabric has the pliability bigger than paper tinsel.
16. equipment according to claim 13, wherein, described conductive fabric has than aluminium foil or the big pliability of Copper Foil.
17. a cable, it comprises the described shielding device of claim 13.
18. method that relates to flat flexible cable, described flat flexible cable has cable stock, this cable stock comprises insulating material and one or more conductor that is used for the signal transmission, at least one conductor has the not covering conductor portion that is not covered by described insulating material, this does not cover at least the first side longitudinal extension of conductor portion along described cable stock, and described method comprises:
Conductive fabric is attached to described cable stock, so that described conductive fabric is electrically connected to the described conductor portion that do not cover along the described length that does not cover conductor portion; With
Use comprises that stepping one or more materials that draw covers described conductive fabric.
19. method according to claim 18, wherein, described combination comprises uses the conduction pressure adhesive.
20. method according to claim 18, this method also are included in combination and before described conductive fabric are wrapped in around the described cable stock, and described conductor pressure adhesive are disposed generally between first side of described conductive fabric and described cable stock.
21. method according to claim 18, wherein, described conductive fabric is wrapped in around the described cable stock, is used for shielding the electromagnetic wave that is produced by described conductor at signals transmission.
22. method according to claim 18, wherein, described conductive fabric has than aluminium foil or the big pliability of Copper Foil.
23. method according to claim 18, wherein, described conduction pressure adhesive is electrically connected to the described conductor portion that do not cover with described conductive fabric, and described conductive fabric provides shielding and is suppressed at the electromagnetic leakage that is produced by described conductor in the signals transmission, and need not to add any new conductor to the existing conductor of described flat flexible cable.
24, a kind of shielding flat flexible cable, this shielding flat flexible cable comprises:
Cable stock, this cable stock has insulating material and one or more conductor that is used for the signal transmission, at least one conductor has the not covering conductor portion that is not covered by described insulating material, and this does not cover conductor portion along the length of described cable stock longitudinal extension between the end of described at least one conductor roughly;
The conduction pressure adhesive, the part of this conduction pressure adhesive electrically contacts along described length and the described conductor portion that do not cover that does not cover conductor portion; And
Outer cover, this outer cover comprises Mai La, and is disposed generally on the described conduction pressure adhesive.
25, shielding flat flexible cable according to claim 24, wherein, described outer cover is applied directly on the described conduction pressure adhesive, and between them without any conductive fabric.
26, shielding flat flexible cable according to claim 24, this shielding flat flexible cable also comprise the conductive fabric that is wrapped in around the described cable stock, and wherein said outer cover is applied directly on the described conductive fabric, thereby:
Described conduction pressure adhesive is between described cable stock and conductive fabric; And
Described conduction pressure adhesive is attached to described cable stock with described conductive fabric, and does not form electrical connection along the described length that does not cover conductor portion between conductor portion and the described conductive fabric described the covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100095792A CN101494096B (en) | 2008-01-25 | 2008-01-25 | Shielding flat flexible cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100095792A CN101494096B (en) | 2008-01-25 | 2008-01-25 | Shielding flat flexible cable |
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| CN101494096A true CN101494096A (en) | 2009-07-29 |
| CN101494096B CN101494096B (en) | 2011-01-26 |
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| CN102486951A (en) * | 2010-12-01 | 2012-06-06 | 广达电脑股份有限公司 | Signal transmission cable |
| CN102662265A (en) * | 2012-05-10 | 2012-09-12 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN103456393A (en) * | 2012-05-29 | 2013-12-18 | 东莞新兴盛端子制品有限公司 | Flexible flat cable and manufacturing method thereof |
| CN105845206A (en) * | 2016-03-29 | 2016-08-10 | 朱悦 | Flat cable used for computer display |
| CN110556204A (en) * | 2018-06-01 | 2019-12-10 | 凡甲电子(苏州)有限公司 | Flat data transmission cable |
| CN112447314A (en) * | 2019-08-28 | 2021-03-05 | 株式会社电装 | Wire and coil member |
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| WO1998052199A1 (en) * | 1997-05-16 | 1998-11-19 | The Furukawa Electric Co., Ltd. | Flat cable and method of manufacturing the same |
| JP4324819B2 (en) * | 1999-04-01 | 2009-09-02 | 東洋紡績株式会社 | Thermoplastic polyester elastomer |
| JP4876335B2 (en) * | 2001-06-08 | 2012-02-15 | 大日本印刷株式会社 | Flat cable covering material and flat cable using the same |
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| CN102486951A (en) * | 2010-12-01 | 2012-06-06 | 广达电脑股份有限公司 | Signal transmission cable |
| CN102662265A (en) * | 2012-05-10 | 2012-09-12 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN102662265B (en) * | 2012-05-10 | 2014-11-05 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN103456393A (en) * | 2012-05-29 | 2013-12-18 | 东莞新兴盛端子制品有限公司 | Flexible flat cable and manufacturing method thereof |
| CN105845206A (en) * | 2016-03-29 | 2016-08-10 | 朱悦 | Flat cable used for computer display |
| CN110556204A (en) * | 2018-06-01 | 2019-12-10 | 凡甲电子(苏州)有限公司 | Flat data transmission cable |
| CN112447314A (en) * | 2019-08-28 | 2021-03-05 | 株式会社电装 | Wire and coil member |
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