WO2014175163A1 - 導電パターンの製造方法及び導電パターン形成基板 - Google Patents
導電パターンの製造方法及び導電パターン形成基板 Download PDFInfo
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- WO2014175163A1 WO2014175163A1 PCT/JP2014/060928 JP2014060928W WO2014175163A1 WO 2014175163 A1 WO2014175163 A1 WO 2014175163A1 JP 2014060928 W JP2014060928 W JP 2014060928W WO 2014175163 A1 WO2014175163 A1 WO 2014175163A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0274—Optical details, e.g. printed circuits comprising integral optical means
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02603—Nanowires
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
- H05K1/092—Dispersed materials, e.g. conductive pastes or inks
- H05K1/097—Inks comprising nanoparticles and specially adapted for being sintered at low temperature
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/105—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by conversion of non-conductive material on or in the support into conductive material, e.g. by using an energy beam
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1283—After-treatment of the printed patterns, e.g. sintering or curing methods
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/117—Shapes of semiconductor bodies
- H10D62/118—Nanostructure semiconductor bodies
- H10D62/119—Nanowire, nanosheet or nanotube semiconductor bodies
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/205—Nanosized electrodes, e.g. nanowire electrodes
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0108—Transparent
Definitions
- the present invention relates to a method for producing a conductive pattern and a conductive pattern forming substrate.
- a light transmissive touch panel is mounted on a display panel as various electronic devices such as a mobile phone, a mobile terminal, or a personal computer, and the surface of the touch panel is operated with a finger or the like while viewing the display on the display panel through the touch panel.
- an electronic device that can perform an instruction operation is used.
- a touch panel for example, an electrostatic capacitance in which a transparent electrode pattern having a predetermined shape is formed in the X direction on a transparent substrate, and the same transparent electrode pattern is formed in the Y direction (direction orthogonal to the X direction).
- Type touch panels are known.
- the transparent electrode pattern used for the touch panel has a difference in optical properties between a region where the electrode pattern is formed (conductive region) and a region where the electrode pattern is not formed (non-conductive region). Therefore, so-called “bone appearance” in which the electrode pattern can be visually recognized may be a problem. In order to prevent such “bone appearance”, it is necessary to extremely narrow the interval between the boundaries of the transparent electrode pattern. For example, in the case of a capacitive touch panel, the distance between the electrode pattern in the X direction and the electrode pattern in the Y direction must be at most 50 ⁇ m, preferably 20 ⁇ m or less, more preferably 10 ⁇ m or less. It is difficult to achieve a pinching pitch by a printing method, and patterning is performed by a photolithography method.
- Non-Patent Document 1 As an example of the photolithography method, for example, the following steps are described in Non-Patent Document 1 below. (1) A step of applying a conductive ink containing metal nanowires to a substrate. (2) A step of firing to form a transparent conductive layer. (3) A step of forming a photosensitive resist on the transparent conductive layer. (4) A step of applying light energy to the resist through an appropriate light shielding mask corresponding to a fine pattern. (5) A step of developing the obtained latent image of the resist by elution with an appropriate developing solution. (6) A step of removing the exposed film to be patterned (transparent conductive layer) using an appropriate etching method. (7) A step of removing the remaining resist using an appropriate method.
- Patent Document 1 describes the following steps. (1) A step of applying a conductive ink containing silver nanowires dispersed in water to a substrate. (2) A step of firing to form a silver nanowire network layer. (3) A step of forming a photocurable matrix material containing a prepolymer on the silver nanowire network layer. (4) A step of applying light energy to the matrix material through an appropriate light shielding mask corresponding to a fine pattern. (5) A step of removing the non-cured region by washing with a solvent (ethanol). Or the process of physically removing a non-hardened area
- ethanol solvent
- Non-Patent Document 1 a process of forming a photosensitive layer for pattern formation on the layer containing metal nanowires is required.
- a developing step for the photosensitive layer is necessary, a waste liquid treatment of the developer may be required.
- a step of removing the photosensitive layer may be necessary. Therefore, the photolithography method has a problem that many steps are required and a lot of chemicals are used.
- the object of the present invention is to reduce the difference in optical properties between the conductive region and the non-conductive region, and to make the bone visible even if the conductive region and the non-conductive region are not sandwiched as in the prior art.
- An object of the present invention is to provide a method for producing a conductive pattern and a conductive pattern forming substrate that do not cause oxidization.
- one embodiment of the present invention is a method for producing a conductive pattern, which includes a step of forming a metal nanowire layer including metal nanowires on all or part of at least one main surface of a substrate. And irradiating the metal nanowire layer with light in a predetermined pattern, and sintering the metal nanowires in the metal nanowire layer in the region of the predetermined pattern shape.
- the metal nanowire layer may include metal nanowires and a binder resin.
- the light can be light that can sinter the metal nanowire, such as pulsed light that is irradiated through a mask in which the light-transmitting portion is formed in the pattern shape, and is preferably pulsed light. is there.
- the metal nanowire is preferably a silver nanowire.
- the metal nanowire layer may be formed on the undercoat layer after forming the undercoat layer by undercoating the substrate.
- the metal nanowire layer may be formed by applying a metal nanowire ink containing a metal nanowire, a binder resin, and a dispersion medium on all or a part of at least one main surface of the substrate as necessary.
- the metal nanowire layer is formed by applying metal nanowire ink in which metal nanowires are dispersed in a solvent capable of dissolving or swelling the substrate material to all or a part of at least one main surface of the substrate. May be.
- another embodiment of the present invention is a conductive pattern forming substrate having a metal nanowire layer including metal nanowires on all or part of at least one main surface of the substrate, wherein the metal nanowire layer is the metal A conductive region in which the nanowire is sintered in a predetermined pattern; and a non-conductive region in the metal nanowire layer other than the conductive region, in which the metal nanowire is not sintered.
- the surface resistance of the conductive region is preferably 200 ⁇ / ⁇ or less, and the surface resistance of the non-conductive region is preferably 10 3 ⁇ / ⁇ or more.
- the metal nanowires preferably have an average diameter of 1 nm to 500 nm, an average length of the major axis of 1 ⁇ m to 100 ⁇ m, and an average aspect ratio of 10 or more.
- a conductive pattern with a narrow pitch can be realized by a simple process.
- FIG. 1A to 1C are cross-sectional views for explaining the steps of the method for manufacturing a conductive pattern according to the embodiment.
- the metal nanowire layer 12 is formed on all or part of at least one main surface of the substrate.
- the metal nanowire concentration (distribution) in the metal nanowire layer 12 formed on the substrate 10 is substantially uniform in the plane.
- FIG. 1A illustrates the case where the metal nanowire layer 12 is formed on the entire surface of one main surface of the substrate 10. A method for forming the metal nanowire layer 12 will be described later.
- the metal nanowire layer 12 is irradiated with pulsed light from a xenon-type pulsed irradiation lamp or the like through a mask 14 in which a translucent part 14a is formed in a predetermined pattern.
- region where pulsed light was irradiated among the metal nanowire layers 12 is sintered by the said predetermined pattern, and electroconductivity is provided.
- the metal nanowires included in the region of the metal nanowire layer 12 that has not been irradiated with the pulsed light are not sintered and are not imparted with conductivity (not developed). As a result, as shown in FIG.
- the region 12c of the metal nanowire layer 12 irradiated with the pulsed light becomes a conductive region, and is a region other than the conductive region and is not irradiated with the pulsed light.
- the region 12 i of the metal nanowire layer 12 becomes a non-conductive region, and a conductive pattern similar to the pattern of the light transmitting portion 14 a formed on the mask 14 is formed.
- region can be suitably determined according to a use purpose, 200 ohm / square or less is preferable as surface resistance, for example.
- the translucent portion 14a may be a pattern-shaped opening formed in the mask 14, or may be formed using a light transmissive material in a part (pattern) region of the mask 14.
- the mask used here is a transparent substrate from near-ultraviolet to near-infrared, which is patterned with a light-shielding material such as metal or black pigment, and is generally called a photomask.
- a transparent material substrate glass or synthetic quartz is used, and many figures are drawn on it using chromium as a light-shielding film.
- the figure is placed on a flexible transparent polymer film called an emulsion mask.
- the drawn ones can also be used.
- the present invention is not limited to this, and any light-shielding material drawn on a transparent material can be used.
- the substrate 10 is not particularly limited as long as it is in the form of a sheet or film, but for example, ceramic such as glass and alumina, polyester resin, cellulose resin, vinyl alcohol resin, vinyl chloride resin, cycloolefin resin. , Polycarbonate resin, acrylic resin, ABS resin and other thermoplastic resins, photo-curing resins, thermosetting resins, etc., and when using the conductive film according to the present invention, when transparency is important, the total light transmittance Is preferably 80% or more, and specific examples include glass, polyester resin, polycarbonate resin, acrylic resin, and cellulose resin.
- the preferred range of the thickness of the substrate 10 varies depending on the use, but it is preferably 500 ⁇ m or more and 10 mm or less in the case of a sheet, and preferably 10 ⁇ m or more and 500 ⁇ m or less in the case of a film.
- pulse light means light having a short light irradiation period (irradiation time).
- the second light irradiation period (on) means light irradiation having a period (irradiation interval (off)) in which light is not irradiated.
- FIG. 2 shows that the light intensity of the pulsed light is constant, the light intensity may change within one light irradiation period (on).
- the pulsed light is emitted from a light source including a flash lamp such as a xenon flash lamp.
- the metal nanowires deposited on the substrate are irradiated with pulsed light.
- one cycle (on + off) in FIG. 2 is repeated n times.
- it is preferable to cool from the base-material side so that a base material can be cooled to room temperature vicinity.
- an electromagnetic wave having a wavelength range of 1 pm to 1 m can be used, preferably an electromagnetic wave having a wavelength range of 10 nm to 1000 ⁇ m (from far ultraviolet to far infrared), more preferably 100 nm to 2000 nm.
- Electromagnetic waves in the wavelength range can be used. Examples of such electromagnetic waves include gamma rays, X-rays, ultraviolet rays, visible light, infrared rays, microwaves, radio waves on the longer wavelength side than microwaves, and the like. In consideration of conversion to thermal energy, if the wavelength is too short, damage to the shape-retaining material, the resin base material on which pattern printing is performed, etc. is not preferable.
- the wavelength range is preferably the ultraviolet to infrared range, more preferably the wavelength range of 100 to 2000 nm, among the wavelengths described above.
- the irradiation time (on) of one pulsed light is preferably in the range of 20 ⁇ sec to 50 msec, although it depends on the light intensity. If it is shorter than 20 ⁇ sec, the sintering of the metal nanowire does not proceed and the effect of improving the performance of the conductive film is lowered. On the other hand, if it is longer than 50 msec, the base material may be adversely affected by light deterioration and heat deterioration, and the metal nanowires are likely to blow off. More preferably, it is 40 ⁇ sec to 10 msec. For this reason, pulse light is used instead of continuous light in this embodiment. Irradiation with pulsed light is effective even if performed in a single shot, but can also be performed repeatedly as described above.
- the irradiation interval (off) is preferably in the range of 20 ⁇ sec to 5 sec, more preferably in the range of 2 msec to 2 sec. If it is shorter than 20 ⁇ sec, it becomes close to continuous light, and it is irradiated without being allowed to cool after a single irradiation, so that the substrate is heated and the temperature becomes high, which may deteriorate. Further, if it is longer than 5 sec, the process time becomes longer, which is not preferable for mass production.
- 3 (a) to 3 (c) are cross-sectional views for explaining the steps of the modification example of the method for manufacturing the conductive pattern according to the embodiment, and the same elements as those in FIGS. 1 (a) to (c) are shown.
- 3A and 3C are the same as FIGS. 1A and 1C, and the description thereof is omitted.
- laser light is used instead of pulsed light.
- Laser light is generated by a laser light source 16 and applied to the metal nanowire layer 12 while scanning the laser light in a predetermined pattern by a scanning unit 18 such as a galvano scanner.
- a scanning unit 18 such as a galvano scanner.
- region where the laser beam was irradiated among the metal nanowire layers 12 is sintered, and electroconductivity is provided.
- the region 12c of the metal nanowire layer 12 irradiated with the laser beam becomes a conductive region
- the region 12i of the metal nanowire layer 12 not irradiated with the laser beam becomes nonconductive.
- a conductive pattern having a predetermined pattern is formed as a conductive region.
- the laser light source 16 for example, an LD excitation Q switch type Gr-YVO 4 laser KLY-QGS5 ⁇ manufactured by Kataoka Seisakusho Co., Ltd. can be used.
- the metal nanowire layer 12 is deposited on the substrate surface to such an extent that light can sufficiently pass through the gaps between the nanowires. That is, the metal nanowires are usually deposited irregularly, and the metal nanowires are not densely deposited. Therefore, by forming the conductive pattern with the metal nanowire layer 12, it can be used for an electrode pattern of a touch panel. Even when the metal nanowires are regularly arranged, the metal nanowire layer 12 of the present application can be used as long as light can be sufficiently transmitted through the gap between the nanowires.
- the metal nanowire constituting the metal nanowire layer 12 is a metal having a diameter on the order of nanometers, and is a conductive material having a linear shape (including a hollow tube shape). Its properties may be flexible or rigid. Further, the metal of the metal nanowire may include a metal oxide at least partially.
- the metal type of the metal nanowire is at least one selected from the group consisting of gold, silver, platinum, copper, nickel, iron, cobalt, zinc, ruthenium, rhodium, palladium, cadmium, osmium, iridium and combinations of these metals Alloy and the like.
- At least one of gold, copper, and silver is included from the viewpoint of conductivity.
- An optimal embodiment includes silver.
- the diameter, the length of the major axis, and the aspect ratio of the metal nanowire have a constant distribution. This distribution is selected so that the thin film constituted by the metal nanowire layer 12 of the present embodiment is a thin film having a high total light transmittance and a low surface resistance.
- the average diameter of the metal nanowires is preferably 1 nm to 500 nm, more preferably 5 nm to 200 nm, still more preferably 5 nm to 100 nm, and particularly preferably 10 nm to 100 nm.
- the average length of the major axis of the metal nanowire is preferably 1 ⁇ m or more and 100 ⁇ m or less, more preferably 1 ⁇ m or more and 80 ⁇ m or less, further preferably 2 ⁇ m or more and 60 ⁇ m or less, and particularly preferably 5 ⁇ m or more and 40 ⁇ m or less.
- the average diameter and the average length of the major axis satisfy the above ranges, and the average aspect ratio is preferably 10 or more and 5000 or less, more preferably 100 or more and 2000 or less, and 200 or more. More preferably, it is 1000 or less.
- the aspect ratio is a value obtained by a / b when the average diameter of the metal nanowires is approximated with b and the average length of the major axis is approximated with a.
- a and b can be measured using a scanning electron microscope.
- the metal nanowire layer 12 is formed on all or part of one main surface of the substrate 10, it is performed by wet coating, for example, vacuum deposition such as physical vapor deposition or chemical vapor deposition, or ions using plasma generation technology. Do not use dry coating such as plating or sputtering.
- the wet coating in the present embodiment refers to a process of forming a film by applying a liquid (metal nanowire ink) on the substrate 10.
- the wet coat used in the present embodiment is not particularly limited as long as it is a known method, and is a spray coat, a bar coat, a roll coat, a die coat, an ink jet coat, a screen coat, a dip coat, a letterpress printing method, an intaglio printing method, a gravure printing method. Etc. can be used.
- the substrate 10 is heated after the wet coating to remove the applied material and the solvent used, and the impurities contained in the deposited conductive layer such as the dispersion medium are washed. The process of washing away may be included.
- the above wet coat may be repeated not only once but multiple times. This is because there is a possibility that the desired film thickness may not be reached at one time depending on the coating conditions.
- Examples of the dispersion medium used in the wet coat include ketone compounds such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone; ester compounds such as methyl acetate, ethyl acetate, butyl acetate, ethyl lactate, and methoxyethyl acetate; diethyl ether Ether compounds such as ethylene glycol dimethyl ether, ethyl cellosolve, butyl cellosolve, phenyl cellosolve and dioxane; aromatic compounds such as toluene and xylene; aliphatic compounds such as pentane and hexane; halogenated hydrocarbons such as methylene chloride, chlorobenzene and chloroform Methanol, ethanol, normal propanol, isopropanol, 1-methoxy-2-propanol (PGME), ethylene glycol, diethylene glycol
- the metal nanowire ink according to this embodiment is produced by dispersing metal nanowires in the dispersion medium.
- the metal nanowire ink contains metal nanowires and a dispersion medium, and the metal nanowire ink content in the metal nanowire ink is preferably 0.01 to 10% by mass, more preferably 0.05 to 5% by mass, The content is preferably 0.1 to 3% by mass. If the metal nanowire is less than 0.01% by mass, it is necessary to print the transparent conductive layer very thick in order to ensure the desired conductivity, and the degree of difficulty in printing becomes high. It becomes difficult to maintain. On the other hand, if it exceeds 10% by mass, it is necessary to print very thinly to ensure the desired transparency, and this system also becomes difficult to print.
- the dispersion medium can be removed by heating (drying) using a heating furnace or a far-infrared furnace. Techniques such as vacuum drying can also be used.
- the metal nanowire layer 12 can also be formed with a metal nanowire ink to which components other than the metal nanowire are added as long as the effects of the present invention are not impaired.
- Specific examples include binder resins, surfactants, and pigments described later.
- the compounding ratio of other components such as metal nanowire and binder can be arbitrarily changed according to the application, but if the compounding ratio of the metal nanowire is too small, there is a risk that the conductivity will decrease, so the metal nanowire layer 10 mass% or more and 100 mass% or less are preferable, and, as for the mass ratio of the metal nanowire which occupies for 12 whole, 30 mass% or more and 60 mass% or less are more preferable.
- the binder ratio includes those dissolved from the substrate 10.
- the “metal nanowire layer” is a layer formed on the substrate by wet coating, and means that the dispersion medium of the metal nanowire ink has been removed.
- an undercoat layer that contributes to improving the adhesion between the substrate and the metal nanowire is formed on the surface of the substrate 10 before printing.
- the metal nanowire layer 12 can be formed on the coating layer by the wet coating.
- As the undercoat layer for example, a flexible resin in which a part of the metal nanowire can be bitten, or a resin that dissolves or swells in a solvent (dispersion medium) used in the wet coat and a part of the metal nanowire can be bitten during printing is used. be able to.
- Adhesion between the substrate 10 and the metal nanowire layer 12 can be improved by part of the metal nanowires biting into the undercoat layer.
- the undercoat resin used here is optically transparent, close to tack-free (non-adhesive) after solvent drying (at least capable of screen printing and gravure offset printing), Ag nanowire, etc. by light irradiation.
- the adhesion with the metal nanowire can be ensured.
- “optically transparent” means that the total light transmittance is 80% or more and the haze is 10% or less.
- the above resin is an amorphous thermoplastic resin having a Tg (glass transition temperature) of 200 ° C. or lower, or a curable resin prepolymer having a Tg of 200 ° C. or lower and not three-dimensionally crosslinked before photobaking.
- Tg glass transition temperature
- the Tg is more preferably 160 ° C. or less, and further preferably 130 ° C. or less. Even when Tg is 200 ° C.
- Tg there is no particular lower limit of Tg, but it is preferably ⁇ 50 ° C. or higher, more preferably 0 ° C. or higher. It is a state close to the tack-free state before light irradiation and is a curable resin prepolymer having a Tg of 200 ° C. or lower, and is cured by light irradiation, whereby the Tg becomes 200 ° C.
- the said prepolymer means the curable resin precursor (composition) which becomes a three-dimensional crosslinked structure with a heat
- DAP diallyl phthalate
- thermoplastic resin examples include cyclic polyolefin resin (cycloolefin copolymer (COC), cycloolefin polymer (COP)), polycarbonate resin, epoxy resin (phenoxy type), polyvinyl butyral resin, ethylene vinyl acetate copolymer resin, An ethylene vinyl alcohol copolymer resin, an acrylic resin, etc. are mentioned.
- Binder resins include poly-N-vinyl pyrrolidone, poly-N-vinyl caprolactam, poly-N-vinyl compounds such as poly-N-vinylacetamide, polyalkylene glycol compounds such as polyethylene glycol, polypropylene glycol, and polyTHF.
- Polyurethane cellulose compounds and derivatives thereof, phenoxy type epoxy compounds, polycarbonate compounds such as Iupizeta (registered trademark) manufactured by Mitsubishi Gas Chemical Co., Ltd., polyester compounds, chlorinated polyolefins, ZEONOR (manufactured by Nippon Zeon Co., Ltd.), Apel ( And thermoplastic resins such as cycloolefin polymers such as Mitsui Chemicals Co., Ltd., polyacrylic compounds such as polymethyl methacrylate, and thermosetting resins.
- polycarbonate compounds such as Iupizeta (registered trademark) manufactured by Mitsubishi Gas Chemical Co., Ltd., polyester compounds, chlorinated polyolefins, ZEONOR (manufactured by Nippon Zeon Co., Ltd.), Apel ( And thermoplastic resins such as cycloolefin polymers such as Mitsui Chemicals Co., Ltd., polyacrylic compounds such as polymethyl methacrylate, and thermosetting resins.
- a metal nanowire ink in which a metal nanowire is dispersed in a solvent that dissolves or swells the substrate 10 is used as a dispersion medium, and the surface of the substrate 10 is dissolved while printing. 12 may be formed. In this case, a part of the metal nanowires can bite into the dissolved substrate 10.
- the substrate 10 is a cycloolefin polymer such as zeonore or a cycloolefin copolymer, an aromatic hydrocarbon such as toluene or xylene, an alicyclic hydrocarbon such as cyclohexane, terpineol, or isobornyl. Terpene alcohols such as cyclohexanol are used as the dispersion medium.
- a halogenated hydrocarbon such as dichloromethane or chloroform
- the said undercoat layer may not be formed in the surface of the board
- the metal nanowire layer 12 described above may be a metal nanowire, even if it is not a metal nanowire resin layer, as shown in FIGS. 1 (a) to 1 (c) and FIGS. 3 (a) to 3 (c). It may be the extent that the resin is coated around. However, if the amount of the coating resin is too small, it is not preferable because the metal nanowire layer 12 is subjected to pressure and conductivity is exhibited in the portion originally intended to be insulated.
- Example 1> ⁇ Preparation method of ink containing no binder>
- SLV-NW-35 isopropanol dispersion made by blueeno Co., Ltd., silver nanowire diameter 35 nm, length of about 15 ⁇ m (catalog value)
- Terpineol was used as the silver nanowire dispersion liquid.
- Product was added and dispersed well, and then the isopropanol was distilled off to replace the solvent.
- Tersolve MTPH manufactured by Nippon Terpene Chemical Co., Ltd., isobornylcyclohexanol
- terpineol 1/8 (mass ratio)
- a well-dispersed dispersion was obtained using ARV-310 manufactured by Sinky Corporation. Note that the amount of the small amount of terpineol added first was determined in advance so that the silver nanowire concentration of the finally obtained dispersion was 1% by mass.
- An 11 cm square metal nanowire layer 12 is printed on a ZEONOR sheet ZF14-100 (thickness: 100 ⁇ m, manufactured by Nippon Zeon Co., Ltd.) using a screen printer MT-320TVZ (manufactured by Microtech Co., Ltd.) using the above ink.
- the film was dried for 90 minutes in total at 60 ° C. for 30 minutes, 80 ° C. for 30 minutes, and 100 ° C. for 30 minutes.
- An SEM photograph of the surface of the substrate (Zeonor sheet) after printing and drying is shown in FIG. From the photograph, it was confirmed that a part of the silver nanowire was embedded in the substrate whose surface was dissolved or swollen by terpineol and tersolve MTPH.
- a mask 14 having a translucent portion 14a formed in the pattern shown in FIG. 5 is prepared.
- the mask 14 is aligned with the 11 cm square film, and pulsed light (irradiation energy: irradiation voltage 600V, irradiation time 80 ⁇ sec) by PulseForge 3300 manufactured by NovaCentrix. 2.0 J / cm 2 ).
- the mask 14 has a pattern in which light-transmitting portions 14 a having a width of 2 cm and non-light-transmitting portions having a width of 0.5 cm are alternately formed from the left end in FIG.
- the translucent portion 14a at the right end in FIG. 5 has a width of 0.5 cm.
- DIJITAL MULTITIMER PC500a (manufactured by Sanwa Denki Kogyo Co., Ltd.) applies measurement terminals to both ends of the metal nanowire layer (conductive region) corresponding to the translucent part of the mask, and the resistance of the film (conductivity) Sex region resistance).
- the 4 cm 2 lines were 50 ⁇ .
- the resistance (interconductive region resistance) was measured by applying a measurement terminal to each of the two conductive regions adjacent to both sides of the metal nanowire layer 12 (nonconductive region) corresponding to the non-transparent portion of the mask. The resistance value was outside the measurement range, and it was confirmed that insulation was maintained.
- Example 2 Poly-N-vinylpyrrolidone (hereinafter referred to as PNVP, manufactured by Nippon Shokubai Co., Ltd. K-90, molecular weight 36) so that the ink produced in Example 1 was 0.5 parts by mass with respect to 99.5 parts by mass of silver nanowires.
- PNVP Poly-N-vinylpyrrolidone
- the screen printer MT-320TVZ manufactured by Microtech Co., Ltd.
- MT-320TVZ manufactured by Microtech Co., Ltd.
- U98 biaxially stretched polyester film manufactured by Toray Industries, Inc., thickness 125 ⁇ m.
- the metal nanowire layer 12 was printed.
- the film thickness after drying was 0.15 ⁇ m.
- a mask 14 having a translucent portion 14a formed in the pattern shown in FIG. 5 is prepared, and is aligned with the 11 cm square metal nanowire layer 12, and pulsed light having an irradiation voltage of 600 V and an irradiation time of 50 ⁇ sec is applied by PulseForge 3300 manufactured by NovaCentrix. (Irradiation energy 1.0 J / cm 2 ) was irradiated.
- the mask 14 has a pattern in which light-transmitting portions 14 a having a width of 2 cm and non-light-transmitting portions having a width of 0.5 cm are alternately formed from the left in FIG.
- the translucent portion 14a at the right end in FIG. 5 has a width of 0.5 cm.
- Example 1 The measurement of the surface resistance in the conductive region before the light irradiation was performed in the same manner as in Example 1 by using a 4-terminal linear probe of a low resistivity meter (Lorestar GP manufactured by Mitsubishi Chemical Analytech Co., Ltd.) (electrode spacing 1.5 mm). The four-point probe method using was used. The results are shown in Table 1.
- DIJITAL MULTITIMER PC500a manufactured by Sanwa Denki Kogyo Co., Ltd.
- the resistance of the film was measured, it was 50 ⁇ at all the four 2 cm width lines.
- each measurement terminal is applied between two conductive regions adjacent to both sides of the metal nanowire layer 12 (nonconductive region) corresponding to the non-transparent portion of the mask, thereby causing resistance (between the conductive regions). Resistance) was measured and it was confirmed that insulation was maintained. Subsequently, the withstand voltage was measured for 1 hour in the same manner as in Example 1. The evaluation results are shown in Table 1.
- PNVP poly-N-vinylpyrrolidone
- MIBK methyl isobutyl ketone
- the ink produced by the above method is a 10 ⁇ m thick spiral applicator (TQC Co., Ltd.) using a 100 ⁇ m thick PET film (Teijin DuPont Films Co., Ltd., KFL10W, or Toray Co., Ltd. Tough Top SHB100) as a substrate. ) And then dried with an incubator HS350 (manufactured by ETAC Co., Ltd.) under air at 100 ° C. for 1 hour to form a metal (silver) nanowire layer. The film thickness after drying was 300 nm.
- a mask made of stainless steel, thickness 300 ⁇ m, see FIG. 6 a
- PulseForge 3300 manufactured by NovaCentrix
- a pulsed light irradiation energy: 1.0 J / cm 2
- an irradiation voltage of 600 V and an irradiation time of 50 ⁇ sec was irradiated to obtain a conductive pattern.
- a high resistivity meter Hiresta-UP MCP-HT450, MITSUBISHI CHEMICAL CORPORATION
- measurement probe UR100
- the surface resistance in the neutral region was measured by a four-probe method using a four-terminal linear probe (electrode spacing 1.5 mm) of a low resistivity meter (Lorestar GP, manufactured by Mitsubishi Chemical Analytech Co., Ltd.).
- the surface resistance in the conductive region before light irradiation exceeded the measurement limit, whereas the surface resistance in the conductive region after light irradiation was 100 to 150 ⁇ / ⁇ .
- the resistance between the conductive regions was measured using DIJITAL MULTITIMER PC500a (manufactured by Sanwa Denki Keiki Co., Ltd.). The resistance value between the conductive regions exceeded the upper limit of measurement, and insulation was maintained.
- Example 4 ⁇ Preparation and characteristic evaluation of ink containing binder resin>
- the ink containing the binder resin was prepared and evaluated by the same method as in Example 3 except that the mask used for light baking had a light shielding line of 0.5 mm (FIG. 6b). The evaluation results are shown in Table 2.
- PNVA poly-N-vinylacetamide
- PGME 1-methoxy-2-propanol
- Example 2 Evaluation was performed in the same manner as described in Example 3 except that the obtained ink was used and the irradiation time was changed to 100 ⁇ sec (irradiation energy: 2.7 J / cm 2 ). The evaluation results are shown in Table 2.
- Example 6> ⁇ Preparation and characteristic evaluation of ink containing binder resin> The ink containing the binder resin was prepared and evaluated by the same method as in Example 5 except that the light shielding line of the mask used for light baking was 0.5 mm (FIG. 6b). The evaluation results are shown in Table 2.
- Example 7 ⁇ Preparation and characteristic evaluation of ink containing binder resin> After 1 g of poly (methyl methacrylate) (hereinafter PMMA, VH-001 manufactured by Mitsubishi Rayon Co., Ltd.) as a binder resin was dissolved in 9 g of MIBK to prepare a 10 mass% MIBK solution of PMMA, 800 mg of this PMMA MIBK solution was mixed with silver. An ink was prepared by adding 250 mg of a 2% by mass terpineol dispersion of nanowires, 750 mg of terpineol, and 200 mg of MIBK, followed by vibration stirring for 1 minute with VORTEX3 (manufactured by IKA).
- PMMA poly (methyl methacrylate)
- Example 3 except that the obtained ink was used, the irradiation time was changed to 60 ⁇ sec (irradiation energy 1.3 J / cm 2 ), and the substrate was changed to a 100 ⁇ m thick PET film (Tough Top SHB100 manufactured by Toray Industries, Inc.). Evaluation was made in an equivalent manner. The evaluation results are shown in Table 2.
- Example 8> ⁇ Example using an undercoat>
- an undercoat resin a 20% by mass solution (solvent butyl carbitol acetate) of a phenoxy type epoxy resin (jER1256, manufactured by Mitsubishi Chemical Corporation) was prepared, and a substrate, Lumirror (registered trademark) T60 (Toray Industries, Inc.) Evaluation was made in the same manner as in Example 3 except that a polyester film having a thickness of about 2 ⁇ m was formed by applying a polyester film having a thickness of 125 ⁇ m to the surface and then drying at 80 ° C. for 60 minutes. did. The results are shown in Table 2.
- the present invention can be used to form a transparent electrode used for a touch panel or the like.
- Substrate 10 metal nanowire layer 12, conductive region 12 c, non-conductive region 12 i, mask 14, translucent part 14 a, 16 laser light source, 18 scanning means.
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Abstract
Description
(1)金属ナノワイヤを含有する導電性インクを基板に塗布する工程。
(2)焼成を行い、透明導電層を形成する工程。
(3)感光性を有するレジストを上記透明導電層上に形成する工程。
(4)微細パターンに相当する適当な遮光マスクを通じてレジストに光エネルギーを付与する工程。
(5)得られたレジストの潜像を、適当な現像用溶液による溶出によって現像する工程。
(6)適当なエッチング方法を用いて露出した被パターニング膜(透明導電層)を除去する工程。
(7)残存したレジストを適当な方法を用いて除去する工程。
(1)水に分散した銀ナノワイヤを含有する導電性インクを基板に塗布する工程。
(2)焼成を行い、銀ナノワイヤ網層を形成する工程。
(3)プレポリマーを含有する光硬化型のマトリクス材を前記銀ナノワイヤ網層上に形成する工程。
(4)微細パターンに相当する適当な遮光マスクを通じてマトリクス材に光エネルギーを付与する工程。
(5)非硬化領域を溶媒(エタノール)で洗浄することによって除去する工程。または、粘着テープや粘着性ロールを用いて非硬化領域を物理的に除去する工程。
<バインダーを含まないインクの調製方法>
銀ナノワイヤ分散液としてSLV-NW-35(bluenano社製 イソプロパノール分散液、銀ナノワイヤの径35nm、長さ約15μm(カタログ値))を用い、この銀ナノワイヤ分散液にテルピネオール(日本テルペン化学(株)製)を少量加え、良く分散させた後、イソプロパノールを留去し溶媒置換を行った。その後テルソルブ MTPH(日本テルペン化学(株)製、イソボルニルシクロヘキサノール)およびテルピネオールを最終的に分散媒の濃度がテルピネオール/テルソルブ MTPH=1/8(質量比)となるように加え、(株)シンキー社製のARV-310を用いてよく分散させた分散液を得た。なお、最終的に得られる分散液の銀ナノワイヤ濃度が1質量%になるよう、最初に加える少量のテルピネオールの量は予め計算して決定しておいた。
実施例1で製造したインク中に銀ナノワイヤ99.5質量部に対して0.5質量部となるようにポリ-N-ビニルピロリドン(以下PNVP、(株)日本触媒製 K-90、分子量36万)を添加したインクを調製し、スクリーン印刷機MT-320TVZ(マイクロテック(株)製)により、ルミラー(登録商標)U98(東レ(株)製二軸延伸ポリエステルフィルム、厚み125μm)に11cm角の金属ナノワイヤ層12を印刷した。乾燥後の膜厚は0.15μmであった。
<バインダー樹脂を含有するインクの調製及び特性評価>
バインダー樹脂として、ポリ-N-ビニルピロリドン(以下PNVP、(株)日本触媒製 K-90、分子量36万)1gをテルピネオール9gに溶解してPNVPの10質量%テルピネオール溶液を作製したのち、このPNVPのテルピネオール溶液400mgに、実施例1同様溶媒置換して量比を変えて調製した銀ナノワイヤの2質量%テルピネオール分散液250mg、テルピネオール350mg、メチルイソブチルケトン(以下MIBK、東京化成工業(株)製)1gを加え、短時間作業用新型ボルテックスミキサーVORTEX3(IKA社製)で1分間室温25℃にて振動撹拌することにより、インクを調製した。
<バインダー樹脂を含有するインクの調製及び特性評価>
光焼成に用いるマスクの遮光ラインが0.5mm(図6b)のものを用いた以外は、実施例3と同様の方法でバインダー樹脂を含有するインクの調製及び特性評価を実施した。評価結果を表2に示す。
<バインダー樹脂を含有するインクの調製及び特性評価>
バインダー樹脂として、ポリ-N-ビニルアセトアミド(以下PNVA、昭和電工(株)製 GE191-104P、分子量30万)1gを1-メトキシ-2-プロパノール(以下PGME、東京化成工業(株)製)9gに溶解してPNVAの10質量%PGME溶液を作製したのち、このPNVAのPGME溶液400mgに、実施例1同様溶媒置換して分散媒を変えて調製した銀ナノワイヤの1質量%PGME分散液500mg、PGME300mg、MIBK800mgを加え、VORTEX3(IKA社製)で1分間振動撹拌することにより、インクを調製した。
<バインダー樹脂を含有するインクの調製及び特性評価>
光焼成に用いるマスクの遮光ラインが0.5mm(図6b)のものを用いた以外は、実施例5と同様の方法でバインダー樹脂を含有するインクの調製及び特性評価を実施した。評価結果を表2に示す。
<バインダー樹脂を含有するインクの調製及び特性評価>
バインダー樹脂としてポリ(メチルメタクリレート)(以下PMMA、三菱レイヨン(株)製 VH-001)1gをMIBK9gに溶解してPMMAの10質量%MIBK溶液を作製したのち、このPMMAのMIBK溶液800mgに、銀ナノワイヤの2質量%テルピネオール分散液250mg、テルピネオール750mg、MIBK200mgを加え、VORTEX3(IKA社製)で1分間振動撹拌することにより、インクを調製した。
<アンダーコートを使用した実施例>
アンダーコート樹脂として、フェノキシタイプのエポキシ樹脂(jER1256、三菱化学(株)製)の20質量%溶液(溶媒ブチルカルビトールアセテート)を調製し、基板であるルミラー(登録商標)T60(東レ(株)製ポリエステルフィルム、厚み125μm)表面に塗布後、80℃で60分間乾燥して、アンダーコート層(膜厚約2μm)を形成したポリエステルフィルムを用いた以外は、実施例3と同等の方法で評価した。結果を表2に示す。
Claims (10)
- 基板の少なくとも一方の主面の全部または一部に、金属ナノワイヤを含む金属ナノワイヤ層を形成する工程と、
所定のパターンで前記金属ナノワイヤ層に光を照射し、前記所定パターン形状の領域で前記金属ナノワイヤ層中の金属ナノワイヤを焼結する工程と、
を備えることを特徴とする導電パターンの製造方法。 - 前記金属ナノワイヤ層が金属ナノワイヤとバインダー樹脂を含む請求項1に記載の導電パターンの製造方法。
- 前記光が、前記パターン形状で透光部が形成されたマスクを介して照射されるパルス光である請求項1または2に記載の導電パターンの製造方法。
- 前記金属ナノワイヤが銀ナノワイヤである請求項1から請求項3のいずれか一項に記載の導電パターンの製造方法。
- 前記基板にアンダーコートすることによりアンダーコート層を形成した後アンダーコート層上に前記金属ナノワイヤ層を形成する請求項1から請求項4のいずれか一項に記載の導電パターンの製造方法。
- 前記金属ナノワイヤ層は、金属ナノワイヤ、バインダー樹脂および分散媒を含む金属ナノワイヤインクを基板の少なくとも一方の主面の全部または一部の面に塗布して形成する請求項1から請求項5のいずれか一項に記載の導電パターンの製造方法。
- 前記金属ナノワイヤ層は、前記基板の材料を溶解または膨潤させることのできる溶媒中に金属ナノワイヤを分散させた金属ナノワイヤインクを基板の少なくとも一方の主面の全部または一部の面に塗布して形成する請求項1から請求項6のいずれか一項に記載の導電パターンの製造方法。
- 基板の少なくとも一方の主面の全部または一部に金属ナノワイヤを含む金属ナノワイヤ層を有し、
前記金属ナノワイヤ層が、前記金属ナノワイヤが所定のパターンで焼結された導電性領域と、
前記金属ナノワイヤ層の前記導電性領域以外の領域であって、前記金属ナノワイヤが焼結されていない非導電性領域と、
を備える導電パターン形成基板。 - 前記導電性領域の表面抵抗が200Ω/□以下であり、前記非導電性領域の表面抵抗が103Ω/□以上である、請求項8に記載の導電パターン形成基板。
- 前記金属ナノワイヤが、径の平均が1nm以上500nm以下であり、長軸の長さの平均が1μm以上100μm以下であり、アスペクト比の平均が10以上である、請求項8または請求項9に記載の導電パターン形成基板。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107850834A (zh) * | 2015-07-03 | 2018-03-27 | 加拿大国家研究委员会 | 基于金属纳米粒子光子烧结的自对准金属图案化 |
KR20180098372A (ko) | 2016-03-18 | 2018-09-03 | 오사카 유니버시티 | 금속 나노와이어층이 형성된 기재 및 그 제조 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20170118880A1 (en) * | 2010-03-24 | 2017-04-27 | Duetto Integrated Systems, Inc. | Supplemental lighting for reading information on circuit boards for use with a bond head assembly system |
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CN110069152A (zh) * | 2018-01-24 | 2019-07-30 | 祥达光学(厦门)有限公司 | 触控面板与触控传感器卷带 |
KR102634290B1 (ko) * | 2018-11-09 | 2024-02-06 | 동우 화인켐 주식회사 | 패드 전극부 및 이를 갖는 터치센서 |
CN111610871A (zh) * | 2019-02-25 | 2020-09-01 | 英属维尔京群岛商天材创新材料科技股份有限公司 | 电极结构及其触控面板 |
CN110257892B (zh) * | 2019-04-23 | 2021-06-29 | 深圳市脑潜能实业发展有限公司 | 单纳米丝器件的制备方法 |
CN113744931A (zh) * | 2021-09-07 | 2021-12-03 | 浙江星隆新材料科技有限公司 | 一种图案化导电膜的制备方法 |
US20240328980A1 (en) * | 2023-03-30 | 2024-10-03 | Saudi Arabian Oil Company | Changes in resistivity of mesh-patterned polymer thin films coated with conductive traces used to detect hydrocarbon fuels hidden in paraffin-based lubrication oils |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008522369A (ja) * | 2004-11-24 | 2008-06-26 | ノバセントリックス コーポレイション | ナノ材料組成物の電気的使用、めっき的使用および触媒的使用 |
JP2009505358A (ja) | 2005-08-12 | 2009-02-05 | カンブリオス テクノロジーズ コーポレイション | ナノワイヤに基づく透明導電体 |
US20130087363A1 (en) * | 2011-10-11 | 2013-04-11 | Korea Institute Of Science And Technology | Metal nanowires with high linearity, method for producing the metal nanowires and transparent conductive film including the metal nanowires |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003327725A (ja) * | 2002-05-16 | 2003-11-19 | Nitto Denko Corp | 微粒子の連結方法および該方法により連結された微粒子を有する基材並びに回路素子及び光学素子 |
US6893966B2 (en) * | 2002-11-27 | 2005-05-17 | International Business Machines Corporation | Method of patterning the surface of an article using positive microcontact printing |
JP4042737B2 (ja) * | 2004-10-27 | 2008-02-06 | セイコーエプソン株式会社 | パターン形成システム |
GB2422679A (en) * | 2005-01-28 | 2006-08-02 | Exitech Ltd | Exposure method and tool |
KR100684853B1 (ko) * | 2005-11-30 | 2007-02-20 | 삼성에스디아이 주식회사 | 연료 전지용 캐소드 촉매, 이를 포함하는 연료 전지용막-전극 어셈블리 및 연료 전지 시스템 |
US8018568B2 (en) * | 2006-10-12 | 2011-09-13 | Cambrios Technologies Corporation | Nanowire-based transparent conductors and applications thereof |
US10231344B2 (en) | 2007-05-18 | 2019-03-12 | Applied Nanotech Holdings, Inc. | Metallic ink |
US7960027B2 (en) * | 2008-01-28 | 2011-06-14 | Honeywell International Inc. | Transparent conductors and methods for fabricating transparent conductors |
US8130438B2 (en) * | 2008-07-03 | 2012-03-06 | Ajjer Llc | Metal coatings, conductive nanoparticles and applications of the same |
JP5189449B2 (ja) | 2008-09-30 | 2013-04-24 | 富士フイルム株式会社 | 金属ナノワイヤー含有組成物、及び透明導電体 |
CN104894538A (zh) * | 2008-10-17 | 2015-09-09 | Ncc纳诺责任有限公司 | 还原低温基底上的薄膜的方法 |
EP2423264B1 (en) * | 2009-04-23 | 2015-03-25 | DIC Corporation | Phthalocyanine nanowires, ink composition and electronic element each containing same, and method for producing phthalocyanine nanowires |
KR20120051645A (ko) | 2009-07-17 | 2012-05-22 | 케어스트림 헬스 인코포레이티드 | 셀룰로스 에스테르를 포함하는 투명 전도성 필름 |
WO2011106434A2 (en) * | 2010-02-23 | 2011-09-01 | University Of Florida Research Foundation, Inc. | Biocompatible conductive inks |
JP5917019B2 (ja) * | 2010-05-19 | 2016-05-11 | Hoya株式会社 | 薄膜の評価方法、及びマスクブランクの製造方法 |
US8839659B2 (en) * | 2010-10-08 | 2014-09-23 | Board Of Trustees Of Northern Illinois University | Sensors and devices containing ultra-small nanowire arrays |
KR101795419B1 (ko) * | 2011-01-26 | 2017-11-13 | 주식회사 잉크테크 | 투명 도전막의 제조방법 및 이에 의해 제조된 투명 도전막 |
JP2012204022A (ja) * | 2011-03-23 | 2012-10-22 | Panasonic Corp | 透明導電膜、透明導電膜付き基材、及びそれを用いた有機エレクトロルミネッセンス素子 |
CN102311681A (zh) * | 2011-08-25 | 2012-01-11 | 浙江科创新材料科技有限公司 | Uv固化型银纳米线墨水及其制备方法和使用方法 |
JP5646424B2 (ja) * | 2011-09-27 | 2014-12-24 | 株式会社東芝 | 透明電極積層体 |
CN108389893A (zh) * | 2011-12-01 | 2018-08-10 | 伊利诺伊大学评议会 | 经设计以经历可编程转变的瞬态器件 |
CN102527621B (zh) * | 2011-12-27 | 2014-07-09 | 浙江科创新材料科技有限公司 | 一种雾度可调柔性透明导电薄膜的制备方法 |
JP5706998B2 (ja) * | 2012-04-26 | 2015-04-22 | 国立大学法人大阪大学 | 透明導電性インク及び透明導電パターン形成方法 |
US9148969B2 (en) * | 2012-07-30 | 2015-09-29 | Rohm And Haas Electronic Materials Llc | Method of manufacturing high aspect ratio silver nanowires |
US9040114B2 (en) * | 2012-08-29 | 2015-05-26 | Rohm And Haas Electronic Material Llc | Method of manufacturing silver miniwire films |
JP2014046622A (ja) * | 2012-08-31 | 2014-03-17 | Dexerials Corp | 透明導電体、入力装置および電子機器 |
CN103730206B (zh) | 2012-10-12 | 2016-12-21 | 纳米及先进材料研发院有限公司 | 制备透明的基于纳米材料的导电膜的方法 |
US9295153B2 (en) * | 2012-11-14 | 2016-03-22 | Rohm And Haas Electronic Materials Llc | Method of manufacturing a patterned transparent conductor |
US20140175707A1 (en) * | 2012-12-21 | 2014-06-26 | 3M Innovative Properties Company | Methods of using nanostructured transfer tape and articles made therefrom |
US9631291B2 (en) * | 2013-01-29 | 2017-04-25 | Hewlett-Packard Development Company, L.P. | Controlling dimensions of nanowires |
US9496229B2 (en) * | 2013-04-12 | 2016-11-15 | The Board Of Trustees Of The University Of Illinois | Transient electronic devices comprising inorganic or hybrid inorganic and organic substrates and encapsulates |
-
2014
- 2014-04-17 WO PCT/JP2014/060928 patent/WO2014175163A1/ja active Application Filing
- 2014-04-17 KR KR1020187020766A patent/KR102026165B1/ko active Active
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- 2014-04-25 TW TW103115045A patent/TWI611433B/zh active
-
2018
- 2018-05-07 JP JP2018089389A patent/JP6779253B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008522369A (ja) * | 2004-11-24 | 2008-06-26 | ノバセントリックス コーポレイション | ナノ材料組成物の電気的使用、めっき的使用および触媒的使用 |
JP2009505358A (ja) | 2005-08-12 | 2009-02-05 | カンブリオス テクノロジーズ コーポレイション | ナノワイヤに基づく透明導電体 |
US20130087363A1 (en) * | 2011-10-11 | 2013-04-11 | Korea Institute Of Science And Technology | Metal nanowires with high linearity, method for producing the metal nanowires and transparent conductive film including the metal nanowires |
Non-Patent Citations (2)
Title |
---|
See also references of EP2991083A4 |
SHIH-HSIANG LAI; CHUN-YAO OU; CHIA-HAO TSAI; BOR-CHUAN CHUANG; MING-YING MA; SHUO-WEI LIANG, SID SYMPOSIUM DIGEST OF TECHNICAL PAPERS, vol. 39, no. 1, 2008, pages 1200 - 1202 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107850834A (zh) * | 2015-07-03 | 2018-03-27 | 加拿大国家研究委员会 | 基于金属纳米粒子光子烧结的自对准金属图案化 |
KR20180098372A (ko) | 2016-03-18 | 2018-09-03 | 오사카 유니버시티 | 금속 나노와이어층이 형성된 기재 및 그 제조 방법 |
JP2021061309A (ja) * | 2019-10-07 | 2021-04-15 | 凸版印刷株式会社 | 印刷方法、印刷装置及び印刷物 |
JP7408985B2 (ja) | 2019-10-07 | 2024-01-09 | Toppanホールディングス株式会社 | 印刷方法、印刷装置及び印刷物 |
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EP2991083A4 (en) | 2016-11-30 |
TW201505037A (zh) | 2015-02-01 |
KR102026165B1 (ko) | 2019-09-27 |
JP2018156946A (ja) | 2018-10-04 |
JP6779253B2 (ja) | 2020-11-04 |
JPWO2014175163A1 (ja) | 2017-02-23 |
TWI611433B (zh) | 2018-01-11 |
CN105164764B (zh) | 2018-09-28 |
US20160073494A1 (en) | 2016-03-10 |
CN105164764A (zh) | 2015-12-16 |
US10470301B2 (en) | 2019-11-05 |
EP2991083B1 (en) | 2021-06-09 |
KR20150132870A (ko) | 2015-11-26 |
KR102099090B1 (ko) | 2020-04-09 |
KR20180085069A (ko) | 2018-07-25 |
EP2991083A1 (en) | 2016-03-02 |
JP6366577B2 (ja) | 2018-08-01 |
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