CN109307565A - It is a kind of can induction pressure flexible electronic skin and preparation method thereof - Google Patents
It is a kind of can induction pressure flexible electronic skin and preparation method thereof Download PDFInfo
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- CN109307565A CN109307565A CN201810952079.6A CN201810952079A CN109307565A CN 109307565 A CN109307565 A CN 109307565A CN 201810952079 A CN201810952079 A CN 201810952079A CN 109307565 A CN109307565 A CN 109307565A
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- conductive
- flexible electronic
- electronic skin
- fiber
- induction pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
Abstract
The present invention provide it is a kind of can induction pressure flexible electronic skin and preparation method thereof, be related to flexible sensor technical field.The flexible electronic skin is interwoven by more conductive yarns, and forms fabric structure, and conductive yarn includes the conductive fiber as inner core and the conductive elastomeric material coated in conductive fiber surfaces.Flexible electronic skin is using the conductive fiber as electrode material, using conductive elastomeric material layer as sensitive material, using the contact resistance variation of conductive yarn longitude and latitude intertwined point as the signal of induction pressure.The present invention also provides can induction pressure flexible electronic skin preparation method.The flexible electronic skin being prepared into, stability is good, high sensitivity, does not need to introduce external electrode, can directly be knitted into textile, or is used for robot arm, and the mechanics of human body artificial limb surface skin senses.
Description
Technical field
The present invention relates to flexible sensor technical fields, and in particular to it is a kind of can induction pressure flexible electronic skin and
Preparation method.
Background technique
Electronic skin wearable device, robot, in terms of using more and more extensive, it has also become flexible electronic
Development trend in product.Although flexible electronic skin is many kinds of, the Gao Rou for the measurement of contact pressure size and location
Elasticity is wherein most challenging.Interference of the capacitance pressure transducer, vulnerable to extraneous capacitance signal.And due to human body sheet
Body be containing capacitance, therefore cannot be with direct body contact.In addition to this, in the biography about flexible electronic skin having disclosed
In sensor, for example, patent CN205175585U is disclosed for measuring the flexible electronic skin and patent of contact pressure
A kind of method of manufacture and use thereof of wearable flexible skin electrode, requires additional binding material disclosed in CN105326495A
Additional electrode wires sensing unit is combined, its use is not only limited, and also reduces its sensitivity.
Summary of the invention
The purpose of the present invention is to provide it is a kind of can induction pressure flexible electronic skin, this electronic skin structure is simple,
Flexibility is good, stability and high sensitivity.
Another object of the present invention is to provide it is a kind of can induction pressure flexible electronic skin preparation method, prepare material
Material is easy to get, and parameters are easily controllable.
The present invention solves its technical problem and adopts the following technical solutions to realize.
The present invention propose it is a kind of can induction pressure flexible electronic skin, which is characterized in that the flexible electronic skin by
More conductive yarn longitudes and latitudes are interwoven, and form fabric structure, and the conductive yarn includes the conduction fibre as inner core
Peacekeeping is coated in the conductive elastomeric material of the conductive fiber surfaces；The flexible electronic skin using the conductive fiber as
Electrode material, using conductive elastomeric material layer as sensitive material, with the contact resistance of conductive yarn longitude and latitude intertwined point
Change the signal as induction pressure.
The present invention also propose it is a kind of can induction pressure flexible electronic skin preparation method, comprising the following steps:
S1 prepares the conductive fiber；
S2 prepares the conductive elastomeric material；
The conductive elastomeric material is coated in the conductive fiber surfaces, conductive yarn is made by S3；
S4 weaves the conductive yarn, and the flexible electronic skin with fabric structure is made.
The embodiment of the present invention can the beneficial effect of flexible electronic skin and preparation method thereof of induction pressure be:
(1) present invention is mutually tied using from a wealth of sources, cheap textile material as flexible substrates with conductive material
It closes, conductive fiber is made, and using conductive fiber as electrode material, without being re-introduced into other electrode materials, simplifies preparation
Process, avoid electronic skin in rubbing and flexion torsion electrode fall off and loose phenomenon.
(2) present invention is coated on conductive fiber using conductive elastomeric material, forms conductive elastic layer.Conductive elastomer
Material is the composite material of elastomer and conductive material, thus conductive elastic layer generates recoverable elasticity under pressure and becomes
Shape, while because being applied to the different size of pressure of elastic layer, it will lead to the variation of conductive elastic layer contact resistance, can be used as electronics
The sensitive layer of skin.
(3) conductive yarn of the invention is by the conductive fiber as inner core and the conduction coated in the conductive fiber surfaces
Elastomeric material is formed.And flexible electronic skin is then interwoven by more conductive yarn longitudes and latitudes, and forms fabric structure.
The present invention is using the conductive fiber as electrode material, using conductive elastomeric material layer as sensitive layer, with the conductive yarn
Signal of the contact resistance variation of longitude and latitude intertwined point as induction pressure, high sensitivity.And electronic skin and human contact, no
It is the influence containing capacitance vulnerable to human body itself, stability is good.Furthermore conductive yarn diameter is small, it can directly be knitted into spinning
In fabric, for the detection at human motion position, it can also be directly woven into flexible electronic skin, be used for robot arm, human body
The mechanics of artificial limb surface skin senses.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 be it is provided in an embodiment of the present invention can induction pressure flexible electronic skin preparation method flow chart；
Fig. 2 be it is provided in an embodiment of the present invention can induction pressure flexible electronic skin structural schematic diagram；
Fig. 3 provides the sectional view of flexible electronic skin for the embodiment of the present invention.
Icon: 1- conductive yarn；11- conductive fiber；12- conductive elastomeric material.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Below to the embodiment of the present invention it is a kind of can induction pressure flexible electronic skin and preparation method thereof carry out it is specific
Explanation.
One kind provided in an embodiment of the present invention can induction pressure flexible electronic skin, it is as shown in Figures 2 and 3, described soft
Property electronic skin be interwoven by more 1 longitudes and latitudes of conductive yarn, and formed fabric structure, the conductive yarn 1 include make
For the conductive fiber 11 of inner core and the conductive elastomeric material 12 coated in 11 surface of conductive fiber.The flexible electronic skin
Skin is using the conductive fiber 11 as electrode material, using 12 layers of conductive elastomeric material as sensitive material, with the conduction
Signal of the contact resistance variation of 1 longitude and latitude intertwined point of yarn as induction pressure.
Further, the diameter of the conducting wire yarn is 0.1mm~5mm.Flexible electronic skin with above structure, can
1 both ends of conductive yarn are directly connected to measuring instrument, measurement applies the resistance variations before and after pressure.The signal of acquisition can be electricity
Signal or resistance signal are flowed, compared to data module simple possible for the data processing module of capacitance signal.And pass through conduction
Signal of the contact resistance variation of 1 longitude and latitude intertwined point of yarn as induction pressure, with human contact, being not easily susceptible to human body itself is
Influence containing capacitance, high sensitivity.And interweaved using more 1 longitudes and latitudes of conductive yarn and be used as resistance sensor unit,
The preparation process of sensor array is simplified, and no longer needs to access other electrode materials, is avoided in rubbing and flexion torsion
When electrode fall off and loose phenomenon.Furthermore 1 diameter of conductive yarn is small, can directly be knitted into textile, it to be used for human motion
The detection at position can also directly be woven into flexible electronic skin, be used for robot arm, and the mechanics of human body artificial limb surface skin passes
Sense.
The embodiment of the present invention also provide it is a kind of can induction pressure flexible electronic skin preparation method, including following step
It is rapid:
S1 prepares the conductive fiber 11.
Further, the conductive fiber 11 can be metallic conduction silk, such as conductor wire made of gold, silver or copper, this
Kind conductive wiring material is easy to obtain.Alternatively, the conductive fiber 11 is also possible to the first conductive material coated in matrix fiber table
Face is formed.Wherein, first conductive material is in metal nanoparticle, metal nanometer line, carbon material or conducting polymer
One kind.The material of the metal nanoparticle and metal nanometer line is that gold, silver, copper or zinc are one of.The conducting polymer
Object be selected from polyaniline, polythiophene, polypyrrole, polyaniline derivative, polythiofuran derivative and Polypyrrole derivatives one of
Or it is a variety of.
Further, described matrix fiber is staple fibre or natural fiber.Preferably, in presently preferred embodiments of the present invention
In, matrix fiber 21 is preferably silk fiber or cotton fiber.Silk fiber softness is flexible, and drawing force is strong, heat-resist, is not easy
Fracture.Cotton fiber is from a wealth of sources, cheap, and stretch capability is good.Matrix fiber can be by a staple fibre or natural fiber
Composition, can also mutually be wound by more staple fibres or natural fiber and be formed.
Further, the coating step of first conductive material are as follows: pass through vapor deposition, magnetron sputtering, inkjet printing, original position
First conductive material is coated in described matrix fiber surface by growing method, dipping or drop coating.According to the first different conduction materials
First conductive material is coated in described matrix fiber surface with different modes by the property of material.Preferably, preferably real herein
It applies in example, metal nanoparticle or metal nanometer line can be heavy by vapor deposition, magnetron sputtering, inkjet printing or growth in situ mode
Product is on matrix fiber surface, and conducting polymer can be deposited on matrix fiber surface by situ synthesis.
The conductive fiber 11 prepared according to the method described above, has good conductive property, and flexibility is good, can be with Curved
Become, can be used as the electrode material of flexible electronic skin.
S2 prepares the conductive elastomeric material 12.
Further, the conductive elastomeric material 12 is the second conductive material and macromolecule prepolymer and crosslinking agent
Compound.Wherein, second conductive material is graphite, carbon nanotube, graphene dispersing solution, metal nanometer line, conducting polymer
One of object.The macromolecule prepolymer is selected from polyimide preformed polymer, dimethyl silicone polymer (PDMS) prepolymer, polyphenyl
Dioctyl phthalate second diester prepolymer, polyvinyl alcohol prepolymer, polyvinyl formal prepolymer and polyethylene prepolymer one kind or
It is a variety of.The crosslinking agent is selected from polyisocyanates, polyaziridine, poly- carbodiimide, silane derivative and polyepoxides
It is one or more.
Preferably, in a preferred embodiment of the present invention, preferred PDMS prepolymer.PDMS is as a kind of the macromolecule organic silicon
Object is closed, inertia is nontoxic, and nonflammable, translucency is good, biocompatibility is good, and has high resiliency, is a kind of excellent package material
Material.Crosslinking agent selects silane derivative, can make PDMS prepolymer rapid-result mould fastly.
Further, prepare the conductive elastomeric material 12 the following steps are included:
S21, according to parts by weight, by 1~5 part of second conductive material and 10~50 parts of macromolecule prepolymers with
The mixing speed of 80~120r/min mixes 10~30min, obtains the first mixed liquor.
Further, according to parts by weight, by 2~4 part of second conductive material and 20~40 points of macromolecule prepolymers with
The mixing speed of 100r/min mixes 20min.Preferably, the mass ratio of the second conductive material and macromolecule prepolymer be 1:10~
15.Under the above conditions, the second conductive material can more evenly be dispersed in macromolecule prepolymer, be easier to be formed in macromolecule prepolymer
Conductive path interconnected.
S22 adds 10~50 parts of the crosslinking agent in the first mixed liquor with the mixing speed of 80~120r/min
1~5min is mixed, the conductive elastomeric material 12 is obtained.
Further, 20~40 parts of crosslinking agent is added in the first mixed liquor to mix with the mixing speed of 120r/min
3min.Preferably, in a preferred embodiment of the present invention, the mass ratio of crosslinking agent and macromolecule prepolymer is 1:0.5~1.5.It presses
Crosslinking agent, crosslinking agent and macromolecule prepolymer fast reaction are added into the first mixed liquor according to above-mentioned ratio, it is therefore desirable to mention
High mixing speed and shortening time carry out the coating of conductive elastomeric material 12 before conductive elastomeric material 12 is also uncured.
The conductive elastomeric material 12 is coated in 11 surface of conductive fiber, conductive yarn 1 is made by S3.
Further, by the conductive elastomeric material 12 in the way of dip coated, drop coating, lifting or spin coating into
Row conductive fiber more than the 11 times coatings, form the conductive elastic layer of 0.1-5mm on 11 surface of conductive fiber.Preferably,
In a preferred embodiment of the present invention, conductive elastic layer with a thickness of 0.2~2.5mm.
Further, conductive elastomeric material 12 needs repeatedly to coat and dry.Coating procedure is by conductive elastomer material
Material 12 is provided to 11 surface of conductive fiber, and the process of drying is to remove conductive elastomeric material extra on conductive fiber 11
12, it coats conductive elastomeric material 12 uniformly, forms one layer of smooth conductive elastic layer on conductive fiber 11.Electrically conductive elastic
Layer can produce recoverable flexible deformation under pressure, while because the size of different pressures will lead to conductive elastic layer contact
The variation of resistance.Repeatedly coating is the variable quantity in order to increase recovery and contact resistance under compression.
Under pressure, the range of sensitivity is in 0.001KPa for the conductive yarn 1 prepared according to the method described above-1~
0.1KPa-1.Because of the sensitivity with higher of conductive yarn 1, it can be applicable to pliable pressure sensor, body motion information and be good for
The acquisition of health data, flexible electronic skin, robot arm, intelligent transportation, consumer electronics, smart home, sports fashion, wisdom
In endowment etc..The application of body motion information acquisition include limb motion sensor, voicing sensor, throat swallow, face
Conductive yarn 1 is applied to this, can detect the motion function of human body various aspects constantly by cheek muscular movement etc..Health data is adopted
Collection includes pulse transducer, respiration transducer, cough signal etc., and conductive yarn 1 is applied to this, can health to patient into
Row real time monitoring.
S4 weaves the conductive yarn 1, and the flexible electronic skin with fabric structure is made.
Further, the weaving method is one of woven, knitting or 3 D weaving or a variety of.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
One kind provided in this embodiment can induction pressure flexible electronic skin, be made according to the following steps:
(1) preparation of conductive fiber: this implementation is using silver nanowires as the first conductive material, and fibroin is as matrix
Fiber prepares conductive fiber.Specific steps are as follows: AgNO is restored using trihydroxylic alcohol3Legal system obtains silver nanowires solution, by silver nanowires
Solution drop coating is dried in silk fiber surface, room temperature, in triplicate, conductive fiber is made.
(2) preparation of conductive elastomeric material: according to parts by weight, by 3 parts of carbon black material and 30 parts of PDMS prepolymers with
The mixing speed of 100r/min mixes 20min, obtains the first mixed liquor.30 parts of crosslinking agent is then added in the first mixed liquor
3min is mixed with the mixing speed of 120r/min, obtains conductive elastomeric material.
(3) coating of conductive elastomeric material: conductive fiber being immersed in conductive elastomeric material after 1min and is taken out, then
The extra conductive elastomeric material removed in conductive fiber surfaces is dried using roller bearing, is then spontaneously dried and is obtained conductive yam
Line.
(4) it weaves: taking 10 conductive yarns, using this 10 conductive yarns as warp, and one end is all carried out neatly
It is placed longitudinally.When first laterally disposed conductive yarn passes through warp as weft, the warp of odd column is arranged in latitude
On line, even column warp is arranged under weft, using metal beating device by all latitude and longitude push-tights；Then carry out second
The weaving of weft yarn, by odd column Warp Tension Test under weft, even column warp is arranged on weft, such repetitive cycling, until
Across the tenth weft yarn.Obtain 10 multiply 10 structures can induction pressure flexible electronic skin.
Embodiment 2
One kind provided in this embodiment can induction pressure flexible electronic skin, difference from Example 1 is:
The preparation of step (1) conductive fiber: this implementation is using graphene as the first conductive material, and fibroin is as base
Body fiber prepares conductive fiber.Graphene oxide solution is prepared using Hummers method, is configured to 10mg/ml, uniform drop coating
On the surface of silk fiber, recycles hydrazine hydrate steam that the graphene oxide on silk fiber surface is reduced into graphene, obtain
Conductive fiber.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. one kind can induction pressure flexible electronic skin, which is characterized in that the flexible electronic skin is by more conductive yarns
Longitude and latitude is interwoven, and forms fabric structure, and the conductive yarn includes as the conductive fiber of inner core and coated in institute
State the conductive elastomeric material of conductive fiber surfaces；The flexible electronic skin using the conductive fiber as electrode material, with
Conductive elastomeric material layer is as sensitive material, using the contact resistance variation of conductive yarn longitude and latitude intertwined point as induction
The signal of pressure.
2. it is according to claim 1 can induction pressure flexible electronic skin, which is characterized in that the conductive yarn it is straight
Diameter is 0.1mm~5mm.
3. it is a kind of as described in claim 1 can induction pressure flexible electronic skin preparation method, which is characterized in that including
Following steps:
S1 prepares the conductive fiber；
S2 prepares the conductive elastomeric material；
The conductive elastomeric material is coated in the conductive fiber surfaces, conductive yarn is made by S3；
S4 weaves the conductive yarn, and the flexible electronic skin with fabric structure is made.
4. it is according to claim 3 can induction pressure flexible electronic skin preparation method, which is characterized in that in step
In S1, the conductive fiber is metallic conduction silk, or is coated in matrix fiber surface for the first conductive material and is formed；Wherein, institute
It states the first conductive material and is selected from one of metal nanoparticle, metal nanometer line, carbon material or conducting polymer；The conduction
Polymer is in polyaniline, polythiophene, polypyrrole, polyaniline derivative, polythiofuran derivative and Polypyrrole derivatives
It is one or more.
5. it is according to claim 4 can induction pressure flexible electronic skin preparation method, which is characterized in that the base
Body fiber is staple fibre or natural fiber.
6. it is according to claim 4 can induction pressure flexible electronic skin preparation method, which is characterized in that described
The coating step of one conductive material are as follows:
By vapor deposition, magnetron sputtering, inkjet printing, growth in situ method, dipping or drop coating, the first conductive material is coated in institute
State matrix fiber surface.
7. it is according to claim 3 can induction pressure flexible electronic skin preparation method, which is characterized in that in step
In S2, the conductive elastomeric material is the compound of the second conductive material and macromolecule prepolymer and crosslinking agent；Wherein, institute
Stating the second conductive material is one of graphite, carbon nanotube, graphene dispersing solution, metal nanometer line, conducting polymer；It is described
High molecular polymer is selected from polyimide preformed polymer, polydimethylsiloxane prepolymer object, poly- polyethylene terephthalate prepolymer, gathers
Vinyl alcohol prepolymer, polyvinyl formal prepolymer and polyethylene prepolymer it is one or more；The crosslinking agent is selected from more
Isocyanates, polyaziridine, poly- carbodiimide, silane derivative and polyepoxides it is one or more.
8. it is according to claim 7 can induction pressure flexible electronic skin preparation method, which is characterized in that in step
In S2, prepare the conductive elastomeric material the following steps are included:
S21, according to parts by weight, by 1~5 part of second conductive material and 10~50 parts of macromolecule prepolymers with 80~
The mixing speed of 120r/min mixes 10~30min, obtains the first mixed liquor；
S22, be added in the first mixed liquor 10~50 parts of the crosslinking agent with the mixing speed of 80~120r/min mixing 1~
5min obtains the conductive elastomeric material.
9. it is according to claim 3 can induction pressure flexible electronic skin preparation method, which is characterized in that in step
In S3, by the conductive elastomeric material to the progress conductive fiber in the way of dip coated, drop coating, lifting or spin coating
Repeatedly coating forms the conductive elastic layer of 0.1~5mm in the conductive fiber surfaces.
10. it is according to claim 3 can induction pressure flexible electronic skin preparation method, which is characterized in that in step
In rapid S4, the weaving method is one of woven, knitting or 3 D weaving or a variety of.
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