CN104407750A - 3D (Three-Dimensional) production method of capacitive touch screen - Google Patents
3D (Three-Dimensional) production method of capacitive touch screen Download PDFInfo
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- CN104407750A CN104407750A CN201410237625.XA CN201410237625A CN104407750A CN 104407750 A CN104407750 A CN 104407750A CN 201410237625 A CN201410237625 A CN 201410237625A CN 104407750 A CN104407750 A CN 104407750A
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- layer
- conductive layer
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- touch screen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention relates to a 3D (Three-Dimensional) production method of a capacitive touch screen. The 3D production method is characterized in that the capacitive touch screen comprises a substrate layer, a shielding layer, a working layer and a protective layer, wherein the shielding layer, the working layer and the protective layer are all produced by 3D printing; the capacitive touch screen is a surface capacitive touch screen, when a finger lightly touches the touch screen and forms a coupling capacitor with the working layer to absorb alternating current, the current respectively flows out from electrodes at the four corners, and the position of a touch point is computed according to the intensity of the current at the four corners. The capacitive touch screen is produced through adoption of 3D printing, the process is simple, the complicated processes, such as exposure, developing and etching, in the traditional technology are omitted, and materials are saved.
Description
Technical field
The present invention relates to a kind of 3D manufacture method of capacitance touch screen, be applied to capacitance touch screen preparation.
Background technology
Touch screen operation is a kind of new mode of operation, has at present and replaces the trend of conventional keys, mouse and keyboard, and in order to operational convenience, people adopt touch-screen to carry out other input equipment alternative as the new mode of operation of electronic product.First touching with finger or other object is arranged on the touch-screen of display screen front end, and then control center is by the signal analysis contact point coordinate of touch-screen, and controls.
The manufacture of existing touch-screen adopts the technology such as photoetching and plated film more, and photoetching technique and coating technique then need a lot of roads technique.Prior art manufacture the step of touch-screen describe in detail for: 1. clean ito glass; 2. spin coating or roller coat photoresist preliminary drying; 3. by mask plate exposed photoresist; 4. developer solution is utilized to produce photoetching agent pattern and post bake; 5. etching liquid is utilized to be fallen by the region etch not having photoresist to protect; 6. utilize and move back glue removal photoresist, form ITO electrode pattern; 7. in another side plating ITO screen layer; 8. the method for printing is utilized to form contact conductor; 9. coat protective layer; 10. FPC lead-in wire and encapsulation is connected; Due to traditional handicraft, need multiple tracks gold-tinted and coating process, adopt subtraction making devices, so cause the complexity of technique, yield rate, and the problem such as wastage of material.
To sum up, for the problem such as complexity, yield rate, wastage of material of existing process for manufacturing touch panel, in conjunction with the advantage that 3D prints, propose a kind of technique that is simple, that save material and just seem highly significant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of 3D manufacture method of capacitance touch screen is provided.
Technical program of the present invention lies in:
A 3D manufacture method for capacitance touch screen, described capacitance touch screen comprises:
One substrate layer, for accepting other material or layer;
One screen layer, described screen layer is arranged on the downside of described substrate layer, for shielding the electronic equipment outside described touch-screen, prevents electromagnetic interference (EMI), ensures good working environment;
One working lining, described working lining is arranged at described substrate layer opposite side, for detecting position, current potential touch point;
One protective seam, described protective seam is an insulating medium, is arranged at working lining surface, makes contact point and described working lining form coupling capacitance; Wherein,
Described screen layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed;
Described working lining comprises one-level conductive layer and secondary conductive layer; The effect of described secondary conductive layer is detected touch point, and described one-level conductive layer is long and narrow contact conductor, and described contact conductor one end connects the corner of described secondary conductive layer, and the other end connects extraneous driving circuit;
Described one-level conductive layer is the conductive layer that the conductive metal material adopting 3D to print one deck or some layers is formed;
Described secondary conductive layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed;
Described protective seam is the hyaline layer that the insulating material adopting 3D to print one deck or some layers is formed;
Described capacitance touch screen is surface capacitance touch-screen, when finger touches described touch-screen, and form coupling capacitance with working lining, siphon away alternating current, electric current flows out from the electrode corner respectively, strong and weak according to corner electric current, carries out the position calculating touch point, it is characterized in that, described 3D manufacturing step is as follows:
S1: design generates the three-dimensional digital model of described screen layer, the first electrode layer, the second electrode lay and protective seam in described capacitance touch screen successively; ;
S2: utilize software to carry out layering successively to set up described screen layer, the first electrode layer, the second electrode lay and protective seam three-dimensional model, obtains the two-dimentional sublayer of Z-direction;
S3: imported described two-dimentional sublayer in 3D printer program, draws material on every layer of two dimensional surface and shape according to institute's established model, designs printing path;
S4: described substrate layer is placed on 3D printing equipment table top, prints described screen layer at a surface thereof; Described screen layer, printing can be pattern, also can be whole; Described screen layer, comprises one or more 3D and prints sublayer;
S5: substrate overturn, at described substrate layer another side print job layer, according to described three-dimensional digital model, secondary conductive layer described in house print, outside prints described one-level conductive layer; Described one-level conductive layer or secondary conductive layer comprise one or more layers 3D and print sublayer, and described one-level conductive layer and described secondary conductive layer can exist difference in height; The electrode of described corner guides to the side of described touch-screen, and is connected to external lead wire;
S6: continue to print protective seam, described protective seam is transparent insulating medium layer.
Wherein, print a touch-screen or multiple touch-screen array on the same substrate, described multiple touch-screen array adopts the mode of cutting to be separated.
Described screen layer is transparency conducting layer, and the structure of described transparency conducting layer is ordered grid shape or unordered latticed, or is planar structure; Described latticed conductive layer is made up of transparent conductive material or nontransparent conductive material; The conductive layer of described planar structure is made up of transparent conductive material.
Described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.
Described one-level conductive layer is metal material composition; The shape of described one-level conductive layer is latticed, strip, planar.
Described secondary conductive layer is transparency conducting layer, and the structure of described transparency conducting layer is ordered grid shape or unordered latticed, or is planar structure; Described latticed conductive layer is made up of transparent conductive material or nontransparent conductive material; Described planar structure conductive layer is made up of transparent conductive material.
Described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.
The invention has the advantages that:
The present invention adopts addition manufacture, and technique comparatively classic method simplifies greatly, saves the multiple tracks complicated technologies such as traditional handicraft exposure, development, etching, saves raw materials for production and manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of 3D provided by the invention manufactures capacitance touch screen;
Fig. 2 is the single-layer shield Rotating fields schematic diagram that a kind of 3D provided by the invention manufactures capacitance touch screen;
Fig. 3 is the shielding layer structure schematic diagram that a kind of 3D provided by the invention manufactures capacitance touch screen;
Fig. 4 is secondary conductive layer and the one-level conductive coating structure schematic diagram that a kind of 3D provided by the invention manufactures capacitance touch screen;
Fig. 5 is the protective layer structure schematic diagram that a kind of 3D provided by the invention manufactures capacitance touch screen;
Fig. 6 is the structural representation under the method for a kind of 3D manufacturing array formula capacitance touch screen provided by the invention.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, is described in detail below by reference to the accompanying drawings.
As Fig. 1, a kind of 3D provided in the present embodiment manufactures the method for surface capacitance touch-screen, specifically comprises:
One substrate layer is glass substrate 11, for accepting other material or layer;
One screen layer 12, being arranged on the downside of described glass substrate 11, for shielding the electronic equipment outside described touch-screen, preventing electromagnetic interference (EMI), ensure good working environment;
One working lining 13, is arranged at glass substrate 11 opposite side, for detecting position, current potential touch point; One protective seam 14, described protective seam 14 is a transparent insulating medium, is arranged at working lining 13 surface, makes contact point and described working lining 13 form coupling capacitance; Wherein,
Described screen layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed;
Described working lining comprises one-level conductive layer and secondary conductive layer, the effect of described secondary conductive layer is detected touch point, described one-level conductive layer is long and narrow contact conductor, and described contact conductor one end connects the corner of described secondary conductive layer, and the other end connects extraneous driving circuit; Described one-level conductive layer is the conductive layer that the conductive metal material adopting 3D to print one deck or some layers is formed; Described secondary conductive layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed; Described protective seam is the hyaline layer that the insulating material adopting 3D to print one deck or some layers is formed;
In the present embodiment, described capacitance touch screen 1 is surface capacitance touch-screen, when finger touches described touch-screen, and form coupling capacitance with working lining, siphon away alternating current, electric current flows out from the electrode corner respectively, strong and weak according to corner electric current, carry out the position calculating touch point;
The manufacture method of a kind of touch-screen that the preferred embodiment of the present invention one provides, its step comprises:
(S11) modeling of Computerized three-dimensional stereo-picture process software is adopted, as Solidworks, Soliddedge, Pro/e, UG etc.;
(S12) utilize RP-Tools software to carry out layering to set up three-dimensional model, obtain the two-dimentional sublayer that Z-direction thickness is 0.05 micron;
(S13) described two-dimentional sublayer is imported in 3D printer program, draw material on every layer of two dimensional surface and shape according to institute's established model, design printing path;
(S14) glass substrate 11 is placed be printed as in die cavity with 3D, vacuumize and pass into inert gas, as argon gas, form protective atmosphere;
(S15) screen layer 12 is printed.With reference to Fig. 2 and Fig. 3, described screen layer 12 is transparency conducting layer.The structure of described transparency conducting layer is ordered grid shape or unordered fenestral fabric, also can be planar structure.Latticed conductive layer is made up of transparent conductive material or nontransparent conductive material.The conductive layer of planar structure is made up of transparent conductive material; The material of described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.Described screen layer can adopt laser sintered or melt extrude shaping preparation, the Stereo Lithography of photochromics or three dimensional ink jet also can be adopted to print and prepare.Wherein, metal nanoparticle, metal quantum point or metal oxide can adopt selective laser sintering or melt extrude shaping being made; Metal quantum point, Graphene, carbon nano-tube, metal nanometer line, metal oxide nanostructure also can adopt the solid shaping and three dimensional ink jet printing and making of the cubic light of photochromics to form.
The preferred laser sintered metal copper nano granules of the present embodiment is made into the planar transparency conducting layer of ordered grid, and concrete steps are as follows:
(S151) ordered grid print parameters is determined.According to the 2D sublayer pattern of 3D modeling, determine the parameter of orderly latticed planar transparency conducting layer, comprise web thickness, wire diameter and aperture; This thickness implementing the metal grid lines of preferred planar conductive layer is 0.2 micron, and the width of metal grid lines is 2 microns, and metal grill aperture is 6 microns;
(S152) metal copper nano granules transfer.Utilize powder-laying roller equipment in the horizontal direction copper nano particles to be evenly transferred to substrate surface, or utilize the shower nozzle increased in material equipment (3D printing), along its scanning pattern (metal grill wire diameter direction) is mobile, copper nano particles is uniformly coated on substrate surface; The preferred shower nozzle increased in material equipment (3D printing) of this enforcement moves along its scanning pattern and copper nano particles is uniformly coated on substrate surface;
(S153) metal copper nano granules melting.Controlling laser beam makes its sintering temperature be 1085 DEG C, laser head moves along shower nozzle moving direction, the superlaser that laser sends leads to and irradiates the metal copper nano granules powder of substrate surface, and the copper nano particles dissolved on its scanning pattern, after fusing, copper and glass substrate are sintered together, and form the planar transparency conducting layer array of individual layer ordered grid;
(S154) conductive layer array preparation.Repeat step (S152) and (S153) thus obtain screen layer 12;
(S155) substrate surface treatment.The substrate manufactured is shifted out 3D printing device, and cleaning array surface, with inner, comprise spraying and prints and remain in the unnecessary metal copper nano granules of substrate surface in laser sintered process.
(S16) secondary conductive layer 132 is printed.With reference to Fig. 4, described secondary conductive layer 132 is transparency conducting layer, and the structure of described transparency conducting layer is ordered grid shape or unordered fenestral fabric, also can be planar structure.Latticed conductive layer is made up of transparent conductive material or nontransparent conductive material.The conductive layer of planar structure is made up of transparent conductive material; The material of described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.Described screen layer can adopt laser sintered or melt extrude shaping preparation, the Stereo Lithography of photochromics or three dimensional ink jet also can be adopted to print and prepare.Wherein, metal nanoparticle, metal quantum point or metal oxide can adopt selective laser sintering or melt extrude shaping being made; Metal quantum point, Graphene, carbon nano-tube, metal nanometer line, metal oxide nanostructure also can adopt the solid shaping and three dimensional ink jet printing and making of the cubic light of photochromics to form.
The Stereo Lithography Graphene of the preferred photochromics of the present embodiment is made into the transparency conducting layer of ordered grid shape as secondary conductive layer 132.Concrete steps are as follows:
(S161) ordered grid print parameters is determined.According to the 2D sublayer pattern of 3D modeling, determine the parameter of orderly latticed planar transparency conducting layer, comprise web thickness, wire diameter and aperture; This metal grill thickness implementing preferred planar conductive layer is 200nm, and metal grill width is 2um, and metal grill aperture is 6um;
(S162) liquid ultraviolet photocuring Graphene slurry transfer.Utilize spraying or roll coating apparatus in the horizontal direction the liquid ultraviolet photocuring Graphene slurry configured evenly to be transferred to substrate surface, or utilize the shower nozzle increased in material equipment (3D printing), along its scanning pattern (metal grill wire diameter direction) is mobile, the liquid ultraviolet photocuring Graphene slurry configured is uniformly coated on substrate surface; The preferred shower nozzle increased in material equipment (3D printing) of this enforcement moves just liquid ultraviolet photocuring Graphene slurry along its scanning pattern and is uniformly coated on substrate surface.
(S163) UV-light photocuring functionalized graphene.Select the intensity of uviol lamp, control UV-lamp along spraying moving direction rate travel, and irradiate the liquid ultraviolet photocuring Graphene slurry on its scanning pattern;
(S164) secondary conductive layer array preparation.Irradiate the liquid ultraviolet photocuring Graphene solidification after a period of time, after solidification, Graphene and glass substrate are sintered together, and form orderly latticed secondary conductive layer;
(S165) substrate surface treatment.The substrate manufactured is shifted out 3D printing device, and cleaning array surface, with inner, comprise spraying and prints and remain in the unnecessary liquid ultraviolet photocuring Graphene of substrate surface in UV curing process.
(S17) one-level conductive layer (131) is printed.With reference to Fig. 4, described one-level conductive layer 131 is transparent or opaque conductive layer, and described one-level conductive layer 131 comprises metal nanoparticle, metal quantum point composition for conductive metal material, also can be stone metal nanometer line or metal nanobelt.Described one-level conductive layer is strip or the planar transparency conducting layer of ordered grid structure, or can be strip or the planar transparency conducting layer of unordered network, also can be the opaque conductive layer of list structure; Described secondary conductive layer can adopt alternative laser sintered or melt extrude shaping preparation, the Stereo Lithography of photochromics or three dimensional ink jet also can be adopted to print and prepare; Wherein, metal nanoparticle, metal quantum point can adopt selective laser sintering or melt extrude shaping being made; Metal quantum point, metal nanometer line or metal nanobelt also can adopt the solid shaping and three dimensional ink jet printing and making of the cubic light of photochromics to form
The preferred laser sintered metallic silver particles of the present embodiment opaque conductive layer is into strips as one-level conductive layer 131, and concrete steps are as follows:
(S171) strip opaque conductive layer print parameters is determined.According to the 2D sublayer pattern of 3D modeling, determine the parameter of strip opaque conductive layer array, comprise every bar strip conductive layer width, the thickness of the spacing between adjacent strip conductive layer and composition strips of conductive layer; This width implementing preferred strip conductive layer is 200um, and the spacing between adjacent strip conductive layer is 100um; The metal thickness forming every bar strip conductive layer is 200nm.
(S172) argent nano particle transfer.Utilize powder-laying roller equipment in the horizontal direction silver nano-grain to be evenly transferred to substrate surface, or utilize the shower nozzle increased in material equipment (3D printing), along its scanning pattern (metal grill wire diameter direction) is mobile, silver nano-grain is uniformly coated on substrate surface; This is implemented preferred powder-laying roller equipment and in the horizontal direction silver nano-grain is evenly transferred to substrate surface.
(S173) argent nano particle melting.Controlling laser beam makes its sintering temperature be 962 DEG C, and laser head moves along the strip shaped electric poles direction of setting, and the superlaser that laser sends leads to and irradiates the argent powder of nanometric particles of substrate surface, and dissolves the silver nano-grain on its scanning pattern.
(S174) prepared by one-level conductive layer 131.After fusing, silver and glass substrate are sintered together, and form the opaque one-level conductive layer 131 of list structure;
(S175) substrate surface treatment.The substrate manufactured is shifted out 3D printing device, and cleaning array surface, with inner, comprise spraying and prints and remain in the unnecessary argent nano particle of substrate surface in laser sintered process.
(S18) protective seam 14 is printed.With reference to Fig. 5; described protective seam 14 comprises tygon (PE), polypropylene (PP), polystyrene (PS), polymethylmethacrylate (PMMA), Polyvinylchloride (PVC), nylon (Nylon), polycarbonate (PC), polyurethane (PU), teflon (Teflon; PTFE), polyethylene terephthalate (PET; PETE) particle, the method for making of described protective seam 14 comprises selective laser sintering and melt extrudes shaping being made.
The preferred laser sintered PMMA particle of first embodiment of the invention is made into the transparent insulating layer of planar.Concrete steps are as follows:
(S181) planar transparent insulating layer print parameters is determined.According to the 2D sublayer pattern of 3D modeling, determine the parameter of planar transparent insulating layer array, comprise the thickness of planar insulation course; This thickness implementing preferred planar insulation course is 200nm.
(S182) PMMA transfer of granules.Utilize powder-laying roller equipment in the horizontal direction PMMA uniform particles to be transferred to substrate surface, or utilize the shower nozzle increased in material equipment (3D printing), along its scanning pattern (metal grill wire diameter direction) is mobile, PMMA uniform particles is coated on substrate surface; This is implemented preferred powder-laying roller equipment and in the horizontal direction PMMA particle is evenly transferred to substrate surface.
(S183) PMMA particle fusion.Controlling laser beam makes its sintering temperature be 245 DEG C, and laser head moves along the planar direction of setting, and the superlaser that laser sends leads to and irradiates the PMMA particle powder of substrate surface, and dissolves the PMMA particle on its scanning pattern.
(S184) prepared by protective clear layer 14.Together with PMMA ties with conductive layer after fusing, form the protective clear layer 14 of planar structure;
(S185) substrate surface treatment.The substrate manufactured is shifted out 3D printing device, and cleaning array surface, with inner, comprise spraying and prints and remain in the unnecessary PMMA particle of substrate surface in laser sintered process.
(S19) as shown in Figure 6, cut is utilized, by the multiple touch-screen cutting and separating on same substrate;
(S10) be filled with pressurized air, open chamber door, take out product.
So far, the 3D of a kind of capacitance touch screen of first preferred embodiment of the invention has manufactured.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. a 3D manufacture method for capacitance touch screen, is characterized in that, described capacitance touch screen comprises:
One substrate layer, for accepting other material or layer;
One screen layer, described screen layer is arranged on the downside of described substrate layer, for shielding the electronic equipment outside described touch-screen, prevents electromagnetic interference (EMI), ensures good working environment;
One working lining, described working lining is arranged at described substrate layer opposite side, for detecting position, current potential touch point;
One protective seam, described protective seam is an insulating medium, is arranged at described working lining surface, makes contact point and described working lining form coupling capacitance; Wherein,
Described screen layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed;
Described working lining comprises one-level conductive layer and secondary conductive layer; The effect of described secondary conductive layer is detected touch point, and described one-level conductive layer is long and narrow contact conductor, and described contact conductor one end connects the corner of described secondary conductive layer, and the other end connects extraneous driving circuit; Wherein,
Described one-level conductive layer is the conductive layer that the conductive metal material adopting 3D to print one deck or some layers is formed;
Described secondary conductive layer is the transparency conducting layer that the conductive material adopting 3D to print one deck or some layers is formed;
Described protective seam is the hyaline layer that the insulating material adopting 3D to print one deck or some layers is formed;
Described capacitance touch screen is surface capacitance touch-screen, when finger touches described touch-screen, and form coupling capacitance with working lining, siphon away alternating current, electric current flows out from the electrode corner respectively, strong and weak according to corner electric current, carries out the position calculating touch point, it is characterized in that, described 3D manufacturing step is as follows:
S1: design generates the three-dimensional digital model of described screen layer, the first electrode layer, the second electrode lay and protective seam in described capacitance touch screen successively; ;
S2: utilize software to carry out layering successively to set up described screen layer, the first electrode layer, the second electrode lay and protective seam three-dimensional model, obtains the two-dimentional sublayer of Z-direction;
S3: imported described two-dimentional sublayer in 3D printer program, draws material on every layer of two dimensional surface and shape according to institute's established model, designs printing path;
S4: described substrate layer is placed on 3D printing equipment table top, prints described screen layer at a surface thereof; Described screen layer, printing can be pattern, also can be whole; Described screen layer, comprises one or more 3D and prints sublayer;
S5: substrate overturn, at described substrate layer another side print job layer, according to described three-dimensional digital model, secondary conductive layer described in house print, outside prints described one-level conductive layer; Described one-level conductive layer or secondary conductive layer comprise one or more layers 3D and print sublayer, and described one-level conductive layer and described secondary conductive layer can exist difference in height; The electrode of described corner guides to the side of described touch-screen, and is connected to external lead wire;
S6: continue to print protective seam, described protective seam is transparent insulating medium layer.
2. the 3D manufacture method of a kind of capacitance touch screen according to claim 1, is characterized in that: print a touch-screen or multiple touch-screen array on the same substrate, and described multiple touch-screen array adopts the mode of cutting to be separated.
3. the 3D manufacture method of a kind of capacitance touch screen according to claim 1, is characterized in that: described screen layer is transparency conducting layer, and the structure of described transparency conducting layer is ordered grid shape or unordered latticed, or is planar structure; Described latticed conductive layer is made up of transparent conductive material or nontransparent conductive material; Described planar structure conductive layer is made up of transparent conductive material.
4. the 3D manufacture method of a kind of capacitance touch screen according to claim 3, is characterized in that: described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.
5. the 3D manufacture method of a kind of capacitance touch screen according to claim 1, is characterized in that: described one-level conductive layer is metal or metal oxide materials composition; The shape of described one-level conductive layer is latticed, strip or planar.
6. the 3D manufacture method of a kind of capacitance touch screen according to claim 1, is characterized in that: described secondary conductive layer is transparency conducting layer, and the structure of described transparency conducting layer is ordered grid shape or unordered latticed, or is planar structure; Described latticed conductive layer is made up of transparent conductive material or nontransparent conductive material; Described planar structure conductive layer is made up of transparent conductive material.
7. the 3D manufacture method of a kind of capacitance touch screen according to claim 6, is characterized in that: described transparency conducting layer comprise in metal nanoparticle, metal quantum point, metal oxide, Graphene, carbon nano-tube, metal nanometer line one or both and be composited above.
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| CN201410237625.XA CN104407750A (en) | 2014-05-31 | 2014-05-31 | 3D (Three-Dimensional) production method of capacitive touch screen |
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| CN106388807A (en) * | 2016-08-30 | 2017-02-15 | 中国科学院深圳先进技术研究院 | Preparation method for surface adhesive electrode array |
| CN107415235A (en) * | 2017-09-07 | 2017-12-01 | 大连美光速造科技有限公司 | Preparation method, device, terminal, computer-readable recording medium and electromagnetic shield of electromagnetic shield |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105618739A (en) * | 2015-12-24 | 2016-06-01 | 中国电子科技集团公司第四十九研究所 | Fast manufacturing method for sensor sensitive core |
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| CN106388807B (en) * | 2016-08-30 | 2019-12-20 | 中国科学院深圳先进技术研究院 | Preparation method of surface-attached electrode array |
| CN107415235A (en) * | 2017-09-07 | 2017-12-01 | 大连美光速造科技有限公司 | Preparation method, device, terminal, computer-readable recording medium and electromagnetic shield of electromagnetic shield |
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