WO2010113744A1 - 導電膜除去剤および導電膜除去方法 - Google Patents
導電膜除去剤および導電膜除去方法 Download PDFInfo
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- WO2010113744A1 WO2010113744A1 PCT/JP2010/055178 JP2010055178W WO2010113744A1 WO 2010113744 A1 WO2010113744 A1 WO 2010113744A1 JP 2010055178 W JP2010055178 W JP 2010055178W WO 2010113744 A1 WO2010113744 A1 WO 2010113744A1
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- conductive film
- acid
- same manner
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/02—Etching, surface-brightening or pickling compositions containing an alkali metal hydroxide
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/06—Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/18—Acidic compositions for etching copper or alloys thereof
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/30—Acidic compositions for etching other metallic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/067—Etchants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F71/00—Manufacture or treatment of devices covered by this subclass
- H10F71/138—Manufacture of transparent electrodes, e.g. transparent conductive oxides [TCO] or indium tin oxide [ITO] 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0242—Shape of an individual particle
- H05K2201/026—Nanotubes or nanowires
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/032—Materials
- H05K2201/0323—Carbon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a conductive film removing agent and a conductive film removing method.
- Transparent conductive films made of tin-doped indium oxide (ITO) are widely used in display panels such as liquid crystal displays, plasma displays, and electroluminescent (EL) displays, and electronic devices such as touch panels and solar cells.
- the conductive film including these transparent conductive films is used by forming a desired pattern, and a chemical etching method using a photoresist or an etching solution is generally used as a pattern forming method. .
- the number of steps is large, the etching accuracy due to resist expansion in the solution may be lowered, and there is a problem in the handling of the etchant and the waste liquid treatment.
- a laser ablation method in which a conductive film is irradiated with a near infrared region (NIR) laser beam to remove unnecessary portions.
- NIR near infrared region
- a substrate coated with CNTs is immersed in a peeling solution, and the substrate optionally coated with CNTs is mechanically or chemically stirred to at least one of the CNTs.
- a method of cleaning a substrate coated with CNTs with a liquid has been proposed (see, for example, Patent Document 4).
- this method has a problem that the processing speed is slow and unsuitable for processing a large area, and etching does not proceed uniformly in the surface and unevenness occurs.
- an object of the present invention is to provide a conductive film remover and a conductive film removal method capable of uniformly removing a desired portion of a conductive film in a plane.
- the present invention is a conductive film removing agent comprising an acid having a boiling point of 80 ° C. or higher, a base having a boiling point of 80 ° C. or higher, or a compound that generates an acid or a base by external energy, a solvent, a resin, and a leveling agent.
- this invention is the process of apply
- a conductive film removal method including a step of heat treatment at 80 ° C. or higher and a step of removing the conductive film by cleaning with a liquid.
- a desired portion of the conductive film can be uniformly removed in the surface.
- the conductive film removing agent of the present invention includes an acid having a boiling point of 80 ° C. or higher, a base having a boiling point of 80 ° C. or higher, or a compound that generates an acid or a base by external energy, a solvent, a resin, and a leveling agent.
- a leveling agent By including a leveling agent, the conductive film removing agent is imparted with high penetrating power, and a conductive film containing whisker-like conductors, fibrous conductors or particulate conductors, which has been difficult to remove in the past, is also easily removed. be able to.
- the conductive film removing agent is applied to at least a part of a base material with a conductive film having a conductive film containing a whisker-like conductor, a fibrous conductor, or a particulate conductor, and heat-treated at 80 ° C. or higher, and the liquid is applied.
- the heat treatment temperature is preferably lower than the boiling point of components other than the solvent in the conductive film removing agent, and is preferably 200 ° C. or lower.
- the conductive film removing agent of the present invention contains an acid having a boiling point of 80 ° C. or higher, a base having a boiling point of 80 ° C. or higher, or a compound that generates an acid or a base by external energy. Two or more of these may be contained.
- an acid or a base or a compound that generates an acid or a base by external energy By including an acid or a base or a compound that generates an acid or a base by external energy, at least a part of the surface of the conductive film in contact with the conductive film remover can be decomposed, dissolved, or solubilized by heating.
- the conductive film removing agent of the present invention can also easily remove conductive films containing metals such as CNT, graphene, silver, and copper having low reactivity as a conductor. When the boiling point of the acid or base is less than 80 ° C., it evaporates at a heating temperature necessary for the reaction between the conductive film and the etching component, making it difficult to remove
- the acid used in the present invention is not particularly limited as long as it has a boiling point of 80 ° C. or higher.
- the boiling point means a value under atmospheric pressure
- This standard is a method for measuring the boiling range of liquids that boil at 30 to 300 ° C at normal pressure, are chemically stable, and do not corrode equipment during distillation.
- the boiling point is preferably 100 ° C. or higher, and more preferably 200 ° C. or higher.
- an acid having a clear boiling point under atmospheric pressure and starting to thermally decompose at 80 ° C. or higher prior to vaporization when heated is included in the acid having a boiling point of 80 ° C. or higher.
- the thing whose vapor pressure density in the heat processing temperature at the time of removing an electrically conductive film is 30 kPa or less is more preferable.
- monocarboxylic acids such as formic acid, acetic acid and propionic acid
- dicarboxylic acids such as oxalic acid, succinic acid, tartaric acid and malonic acid
- tricarboxylic acids such as citric acid and tricarballylic acid
- alkylsulfonic acids such as methanesulfonic acid
- benzene Phenyl sulfonic acid such as sulfonic acid
- alkyl benzene sulfonic acid such as toluene sulfonic acid and dodecylbenzene sulfonic acid
- sulfonic acid compound such as phenol sulfonic acid, nitrobenzene sulfonic acid, styrene sulfonic acid and polystyrene sulfonic acid
- organic acid such as trifluoroacetic acid
- ni nioacetic acid
- inorganic acids such as sulfuric acid, hydro
- acids having high oxidizing power are preferable, and sulfuric acid or sulfonic acid compounds are more preferable.
- the boiling point of sulfuric acid under atmospheric pressure is 290 ° C., and for example, the vapor pressure density of sulfuric acid at 150 ° C. is 1.3 kPa or less. Therefore, even when heated at this temperature, the liquid is maintained and penetrates deeply into the conductive film. Furthermore, since sulfuric acid has a high oxidizing power, it reacts easily with the conductive film even at a low temperature of about 80 to 200 ° C., and the conductive film is not affected by the substrate by heat treatment in a shorter time than nitric acid or acetic acid. Can be removed.
- the sulfonic acid compound is a solid acid under atmospheric pressure, it does not evaporate.
- the vapor pressure density at 150 ° C. is 1.3 kPa or less, so it evaporates or sublimes even when heated at this temperature. Since the reaction is efficiently promoted during heating, the conductive film can be removed by a short heat treatment.
- the conductive film removing agent containing a solid acid can easily control non-Newtonian fluidity, a linear pattern with a small line width of, for example, a line width of about 30 ⁇ m is applied to various substrates. It is particularly preferable because a high-definition pattern can be formed such that it can be formed in a small amount.
- the base used in the present invention is not particularly limited as long as the boiling point is 80 ° C. or higher, preferably 100 ° C. or higher, and more preferably 150 ° C. or higher.
- a base that does not have a clear boiling point under atmospheric pressure and starts thermal decomposition at 80 ° C. or higher prior to vaporization when the temperature is raised is included in the base having a boiling point of 80 ° C. or higher.
- the thing whose vapor pressure density in the heat processing temperature at the time of removing an electrically conductive film is 30 kPa or less is more preferable.
- Examples of the compound that generates acid by external energy used in the present invention include compounds that generate acid by irradiation with radiation, ultraviolet rays and / or heat.
- sulfonium compounds such as 4-hydroxyphenyldimethylsulfonium hexafluoroantimonate and trifluoromethanesulfonate
- benzophenone compounds such as 4,4-bis (dimethylamine) benzophenone and 4,4-dichlorobenzophenone
- benzoins such as benzoin methyl ether
- phenyl ketone compounds such as 4-benzoyl-4-methyldiphenyl ketone and dibenzyl ketone
- acetophenone compounds such as 2,2-diethoxyacetophenone and 2-hydroxy-2-methylpropionphenone
- 2,4-diethylthioxanthene Thioxanthene compounds such as -9-one and 2-chlorothioxanthone
- anthraquinone compounds such as 2-amin
- Examples of the compound that generates a base by external energy used in the present invention include compounds that generate a base by radiation, ultraviolet irradiation and / or heat.
- compounds that generate a base by radiation ultraviolet irradiation and / or heat.
- Examples include amine compounds, benzyl carbamates, benzyl sulfonamides, benzyl quaternary ammonium salts, imines, iminium salts, cobalt amine complexes, and oxime compounds. Two or more of these may be contained.
- the content of an acid having a boiling point of 80 ° C. or higher, a base having a boiling point of 80 ° C. or higher, or a compound that generates an acid or a base by external energy is 1 to 80% by weight in the components excluding the solvent. % Is preferred.
- the content of an acid having a boiling point of 80 ° C. or higher is preferably 10 to 70% by weight, more preferably 20 to 70% by weight in the components excluding the solvent.
- the content of the base having a boiling point of 80 ° C. or higher is preferably 0.01 to 70% by weight in the components excluding the solvent.
- the content of the compound that generates an acid by external energy is preferably 0.1 to 70% by weight in the components excluding the solvent.
- the content of the compound that generates a base by external energy is preferably 1 to 80% by weight in the components excluding the solvent. However, it is not limited to this range, and can be appropriately selected depending on the molecular weight of the compound, the amount of acid or base generated, the material and film thickness of the conductive film to be removed, the heating temperature and the heating time.
- the conductive film removing agent of the present invention contains a solvent.
- solvents include acetates such as ethyl acetate and butyl acetate, ketones such as acetone, acetophenone, ethyl methyl ketone, and methyl isobutyl ketone, aromatic hydrocarbons such as toluene, xylene, and benzyl alcohol, methanol, ethanol 1,2-propanediol, terpineol, acetyl terpineol, butyl carbitol, ethyl cellosolve, alcohols such as ethylene glycol, triethylene glycol, tetraethylene glycol and glycerol, ethylene glycol monoalkyl ethers such as triethylene glycol monobutyl ether , Ethylene glycol dialkyl ethers, diethylene glycol monoalkyl ether acetates, ethylene glycol monoaryl ethers, polymers Ethy
- the content of the solvent is preferably 1% by weight or more in the conductive film removing agent, more preferably 30% by weight or more, and more preferably 50% by weight or more.
- content of a solvent By making content of a solvent into 1 weight% or more, the fluidity
- 99.9 weight% or less is preferable and 95 weight% or less is more preferable.
- the content of the solvent to 99.9% by weight or less, the fluidity during heating can be maintained in an appropriate range, and a desired pattern can be accurately maintained.
- the conductive film removing agent of the present invention contains a resin.
- a resin By containing the resin, a conductive film removing agent having non-Newtonian fluidity can be obtained and can be easily applied to the substrate by a known method. Moreover, the fluidity
- the resin include polystyrene resin, polyacrylic resin, polyamide resin, polyimide resin, polymethacrylic resin, melamine resin, urethane resin, benzoguanamine resin, phenol resin, silicone resin, and fluorine resin. Two or more of these may be contained.
- hydrophilic resin such as nonionic, anionic, amphoteric or cationic
- water a basic aqueous solution or an aqueous solution of an organic solvent described later
- Residues can be suppressed and in-plane uniformity can be further improved.
- hydrophilic resin examples include polyvinyl pyrrolidone, hydrophilic polyurethane, polyvinyl alcohol, polyethyloxazoline, polyacrylic acid, gelatin, hydroxyalkyl guar, guar gum, locust bean gum, carrageenan, alginic acid, gum arabic, pectin, Xanthan gum, cellulose, ethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylhydroxyethylcellulose, acrylamide copolymer, polyethyleneimine, polyaminesulfonium, polyvinylpyridine, polydialkylaminoethyl methacrylate, polydialkylaminoethyl acrylate, polydialkyl Aminoethyl methacrylamide, polydialkylaminoethyl acrylic Bromide, polyepoxy amine, polyamidoamine, dicyandiamide - formalin condensate, polydimethyl diallyl ammonium
- a cationic resin that is hardly denatured even under an acid or high temperature condition and has high solubility in a polar solvent is more preferable.
- the cationic resin is preferably a resin having at least one of primary to quaternary amino groups in the resin structure.
- polyquaternium-10 has a trimethylammonium group at the end of the side chain.
- the trimethylammonium group is cationized and exhibits high solubility due to the action of electrostatic repulsion.
- dehydration polycondensation due to heating hardly occurs, and high solvent solubility is maintained even after heating. Therefore, after the heat treatment, the conductive film can be removed in a short time in the step of removing the conductive film by cleaning with a liquid.
- the resin content is preferably 0.01 to 80% by weight in the components excluding the solvent.
- the resin content in the conductive film removing agent is as small as possible within the range that maintains the non-Newtonian fluidity.
- the viscosity of the conductive film removing agent is preferably about 2 to 500 Pa ⁇ S (25 ° C.), and a uniform coating film can be easily formed by a screen printing method.
- the viscosity of the conductive film removing agent can be adjusted by, for example, the contents of the solvent and the resin.
- the conductive film removing agent of the present invention contains a leveling agent.
- a leveling agent By containing a leveling agent, the conductive film removing agent is imparted with high penetrating power, and even a conductive film containing a whisker-like conductor, a fibrous conductor, or a particulate conductor can be easily removed.
- the leveling agent is a surface tension measured by the Wilhelmy method (plate method) that measures the stress when a stationary platinum plate is wet when 0.1 wt% is added to the above-mentioned solvent used in the present invention. Refers to a compound having the property that can be less than 50 mN / m.
- acrylic compounds such as modified polyacrylates and acrylic resins, vinyl compounds and vinyl resins having a double bond in the molecular skeleton, silicone compounds having an alkyloxysilyl group and / or a polysiloxane skeleton.
- fluorinated compounds and fluorinated resins having a silicone resin, a fluorinated alkyl group and / or a fluorinated phenyl group can be selected and used as appropriate, but fluorine compounds and fluorine resins having a fluorinated alkyl group and / or a fluorinated phenyl group have a surface tension reducing ability. Since it is strong, it is particularly preferably used.
- any compound having the property of reducing the surface tension of the above-described solvent usable in the present invention to less than 50 mN / m is classified as a leveling agent even if it is a polymer compound. .
- the content of the leveling agent is a component excluding the solvent from the balance between the surface activity such as wettability to the substrate and leveling properties and the acid content of the resulting coating film. 0.001 to 10% by weight is preferred, 0.01 to 5% by weight is more preferred, and 0.05 to 3% by weight is even more preferred.
- nitrate or nitrite when an acid having a boiling point of 80 ° C. or higher or a compound that generates an acid by external energy is included, it is preferable to further include nitrate or nitrite.
- the reaction rate between the acid and the conductor may differ depending on the type, but by including nitrate or nitrite, the acid reacts with nitrate or nitrite during the heat treatment, and in the system Since nitric acid is generated, dissolution of the conductor can be further promoted. For this reason, the conductive film can be removed by a short heat treatment.
- nitrates include lithium nitrate, sodium nitrate, potassium nitrate, calcium nitrate, ammonium nitrate, magnesium nitrate, barium nitrate, tetrabutylammonium nitrate, tetraethylammonium nitrate, tetrabutylammonium nitrate, tetrabutylammonium nitrate, or hydrates of these nitrates. Things.
- the nitrite include sodium nitrite, potassium nitrite, calcium nitrite, silver nitrite, and barium nitrite. Two or more of these may be contained. Among these, in consideration of the reaction rate of nitric acid production, nitrate is preferable, and sodium nitrate or potassium nitrate is more preferable.
- the conductive film removing agent of the present invention includes inorganic fine particles such as titanium oxide, alumina, and silica, a thixotropic agent that can impart thixotropic properties, an antistatic agent, an antifoaming agent, a viscosity modifier, and light resistance depending on the purpose.
- Stabilizers, weathering agents, heat agents, antioxidants, rust inhibitors, slip agents, waxes, mold release agents, compatibilizers, dispersants, dispersion stabilizers, rheology control agents, and the like may be included.
- the resin is added to the solvent and dissolved with sufficient stirring.
- Stirring may be performed under heating conditions, and stirring is preferably performed at 50 to 80 ° C. for the purpose of increasing the dissolution rate.
- an acid having a boiling point of 80 ° C. or higher, a base having a boiling point of 80 ° C. or higher, a compound that generates an acid or a base by external energy, a leveling agent, and, if necessary, the additive are added and stirred.
- the addition method and the addition order are not particularly limited.
- Stirring may be performed under heating conditions, and stirring is preferably performed at 50 to 80 ° C. for the purpose of increasing the dissolution rate of the additive.
- FIG. 1 is a schematic view showing a state (before heat treatment) in which a conductive film removing agent is applied to a substrate with a conductive film.
- FIG. 2 is a schematic view showing a state where the conductive film is removed by the conductive film removal method of the present invention.
- conductive film removing agent 103 Applying the conductive film removing agent 103 to at least a part of a base material with a conductive film having a conductive film 102 containing a whisker-like conductor, a fibrous conductor or a particulate conductor on the base material 101, 80 ° C.
- the heat treatment step and the step of removing the conductive film by cleaning with a liquid are included.
- reference numeral 104 denotes a portion where the conductive film has been removed. Since the conductive film removing agent is directly applied on the substrate and heat-treated, the conductive film removing agent reaches the conductive film lower layer in a short time, and the reaction proceeds quickly.
- the conductive film removing agent of the present invention has high penetrating power to the conductive film, it includes not only the transparent oxide conductive film but also whisker-like conductors, fibrous conductors, or particulate conductors that have been difficult in the past. It exhibits a particularly excellent removal effect for removing the conductive film.
- the conductive film substrate from which the conductive film is removed by the conductive film removal method of the present invention has a conductive film containing a whisker-like conductor, a fibrous conductor, or a particulate conductor on the substrate. Two or more of these conductors may be included.
- the base material examples include thermoplastic resins such as polyethylene, polystyrene, polymethyl methacrylate, and polyvinyl chloride, polyesters such as polyethylene terephthalate and polyethylene 2,6 naphthalate, polyparaphenylene sulfite, polyamide resin, polyimide resin, Examples thereof include acrylic resins, urethane resins, alkyd resins, phenol resins, epoxy resins, silicone resins, polycarbonate resins, ABS resins, various glasses, and quartz. It may contain inorganic fillers such as silica and glass, and fine particles such as acrylic beads.
- the substrate may be subjected to various surface treatments such as plasma treatment, UV / ozone treatment, and the coating properties and permeability can be further improved.
- the shape of the substrate may be any shape such as a disk shape, a card shape, or a sheet shape.
- the whisker-like conductor is a compound made of a metal, a carbon-based compound, a metal oxide, or the like and having an aspect ratio (L / D) of 3 or more.
- the metal belongs to the group IIA, IIIA, IVA, VA, VIA, VIIA, VIII, IB, IIB, IIIB, IVB or VB in the short periodic table of elements. Elements.
- examples thereof include iron, osmium, cobalt, zinc, scandium, boron, gallium, indium, silicon, germanium, tellurium, tin, magnesium, and alloys containing these.
- Examples of the carbon-based compound include carbon nanohorn, fullerene, and graphene.
- metal oxide examples include InO 2 , InO 2 Sn, SnO 2 , ZnO, SnO 2 —Sb 2 O 4 , SnO 2 —V 2 O 5 , TiO 2 (Sn / Sb) O 2 , SiO 2 (Sn / Sb ) O 2 , K 2 O—nTiO 2 — (Sn / Sb) O 2 , K 2 O—nTiO 2 —C, and the like.
- the fibrous conductor examples include carbon fiber, conductive polymer, metal fiber, and metal oxide fiber.
- the fiber diameter is preferably 0.001 to 1 ⁇ m, and the fiber length is preferably 0.01 to 100 ⁇ m.
- the carbon fiber examples include polyacrylonitrile carbon fiber, pitch carbon fiber, rayon carbon fiber, glassy carbon, CNT, carbon nanocoil, carbon nanowire, carbon nanofiber, carbon whisker, and graphite fibril.
- the CNT may be a single layer or a multilayer, and two or more types of CNTs having different numbers of layers may be used.
- CNTs preferably have a diameter of 0.3 to 100 nm and a length of 0.1 to 20 ⁇ m.
- Examples of the conductive polymer include polythiophene, polyaniline, poly (2-ethylhexyloxy-5-methoxy-1,4-phenylvinylene), and the like.
- Metal fibers include gold, platinum, silver, nickel, silicon, stainless steel, copper, brass, aluminum, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, manganese, technetium, rhenium, iron, osmium, cobalt , Zinc metal, scandium, boron, gallium, indium, silicon, germanium, tin, magnesium, and the like.
- the metal oxide fiber examples include InO 2 , InO 2 Sn, SnO 2 , ZnO, SnO 2 —Sb 2 O 4 , SnO 2 —V 2 O 5 , TiO 2 (Sn / Sb) O 2 , SiO 2 (Sn / Sb) O 2 , K 2 O—nTiO 2 — (Sn / Sb) O 2 , fibrous metal oxides and fibrous metal oxide composites produced from K 2 O—nTiO 2 —C, etc. It is done. These may be subjected to a surface treatment.
- the particulate conductor is a particle having an aspect ratio (L / D) smaller than 3 made of metal, metal oxide, metal nitride, conductive polymer, etc., and preferably has an average particle diameter of 100 nm or less.
- a metal what was illustrated as a metal which comprises a fibrous conductor can be mentioned.
- the metal oxide include indium oxide or a compound in which at least one element selected from the group consisting of tin, zinc, tellurium, silver, zirconium, hafnium, and magnesium is doped, tin oxide, or tin oxide.
- Examples include compounds doped with antimony, zinc, fluorine, or the like, zinc oxide, or compounds in which zinc oxide is doped with an element such as aluminum, gallium, indium, boron, fluorine, or manganese.
- Metal nitrides include gallium nitride, titanium nitride, chromium nitride, copper nitride, aluminum nitride, indium nitride, tin nitride, zirconium nitride, magnesium nitride, or those doped with lithium, germanium, manganese, silicon, magnesium, etc. Examples thereof include nitride compounds.
- Examples of the conductive polymer include those exemplified as the conductive polymer constituting the fibrous conductor.
- the conductive film preferably contains CNT or metal fiber among the conductors, and more preferably contains CNT. Even for CNTs with low reactivity, by applying the conductive film remover of the present invention and heat treatment, the surface defects of CNTs, functional groups introduced on the CNT surface by chemical modification, etc. become the starting point of the reaction. It is easy to be decomposed, dissolved and solubilized, so that processability is improved.
- the substrate with a conductive film may have an overcoat layer on the conductive film.
- the material for forming the overcoat layer include organic or inorganic polymer materials and organic-inorganic hybrid resins.
- organic polymer materials include thermoplastic resins, thermosetting resins, cellulose resins, and photocurable resins. From the viewpoints of visible light permeability, substrate heat resistance, glass transition point, film hardness, and the like. Can be appropriately selected.
- the thermoplastic resin include acrylic resins such as polymethyl methacrylate and polystyrene, polyester resins such as polyethylene terephthalate, polycarbonate, and polylactic acid, ABS resins, polyethylene, polypropylene, and polystyrene.
- thermosetting resin examples include phenol resin, melamine resin, alkyd resin, polyimide, epoxy resin, fluorine resin, and urethane resin.
- cellulose resin examples include acetyl cellulose and triacetyl cellulose.
- photocurable resin examples include, but are not limited to, resins containing various oligomers, monomers, and photopolymerization initiators.
- the inorganic material examples include silica sol, alumina sol, zirconia sol, titania sol, etc., a polymer obtained by hydrolyzing these inorganic materials by adding water or an acid catalyst, and dehydrating and condensing them, or already a tetramer to a pentamer.
- Examples thereof include a polymer obtained by further hydrolyzing and dehydrating and condensing a polymerized commercial solution.
- Examples of the organic-inorganic hybrid resin include those obtained by modifying a part of the inorganic material with an organic functional group, and resins mainly composed of various coupling agents such as a silane coupling agent.
- a conductive film removing agent is applied to a part of the substrate with the conductive film.
- the conductive film removing agent is applied on the portion of the conductive film to be removed and the substrate with the conductive film has an overcoat layer, the conductive film removing agent is applied on the portion of the overcoat layer to be removed. Since the electrically conductive film removal agent of this invention has non-Newtonian fluidity
- Examples of the coating method include screen printing method, dispenser method, stencil printing method, pad printing method, spray coating, ink jet method, micro gravure printing method, knife coating method, spin coating method, slit coating method, roll coating method, curtain Examples thereof include, but are not limited to, a coating method and a flow coating method. In order to further reduce the etching unevenness of the conductive film, it is preferable to apply the conductive film removing agent uniformly on the substrate.
- the thickness of the conductive removal film is appropriately determined depending on the material and film thickness of the conductive film to be removed, the heating temperature and the heating time, and is preferably applied so that the thickness after drying is 0.1 to 200 ⁇ m. More preferably, it is 2 to 200 ⁇ m.
- the substrate with the conductive film coated with the conductive film removing agent is heat-treated at 80 ° C. or higher.
- the heat treatment temperature is preferably lower than the boiling point of components other than the solvent in the conductive film removing agent, and preferably 200 ° C. or lower.
- the heat treatment method can be selected according to the purpose and application, and examples thereof include, but are not limited to, a hot plate, a hot air oven, an infrared oven, and microwave irradiation with a frequency of 300 megahertz to 3 terahertz.
- the conductive film remover and the decomposition / dissolution of the conductive film are removed by washing with a liquid to obtain a desired conductive pattern.
- the liquid used in the cleaning step is preferably one in which the resin contained in the conductive film removing agent dissolves, specifically, an organic solvent such as acetone, methanol, tetrahydrofuran, an aqueous solution containing the organic solvent, sodium hydroxide, Examples include, but are not limited to, basic aqueous solutions containing ethanolamine, triethylamine, and pure water.
- the liquid may be washed on the substrate without residue, so that the liquid may be heated to 25 to 100 ° C. and used.
- the compound and / or the acid and the conductor contained in the conductive film remover of the present invention are formed on at least a part of the conductive film removal surface.
- the reactant may be partially adsorbed and remain.
- metal salts such as silver chloride, silver sulfate, nickel nitrate, copper sulfate, copper nitrate, tin sulfate, tin nitrate, and indium sulfate, p-toluenesulfone
- metal sulfonic acid compounds such as silver oxide, nickel benzenesulfonate and tin phenolsulfonate, and fluorine compounds as the leveling agent.
- the conductive film remover and the conductive film react in a viscous reaction field, the removal agent or reactant tends to remain on the substrate even after cleaning the substrate. In some cases, it can be distinguished from a method using a known etchant.
- resist-related components are not detected because the resist is not used in the method for removing a conductive film of the present invention, whereas in a method using a known etchant, a resist is generally used. Therefore, since any one or a plurality of components of the resist, the resist developer, and the resist remover is detected from the surface of the substrate, the present invention may be distinguished from a known method.
- the component remaining on the substrate surface can be measured by a method such as X-ray photoelectron spectroscopy, fluorescent X-ray analysis, time-of-flight secondary ion mass spectrometry.
- a method such as X-ray photoelectron spectroscopy, fluorescent X-ray analysis, time-of-flight secondary ion mass spectrometry.
- metal elements used in conductive layers such as silver, copper, tin, indium and nickel and / or fluorine and sulfur elements can be detected at 0.1 atomic% or more, If fluorescent X-ray analysis or time-of-flight secondary ion mass spectrometry is used, the element can be detected at 1 ppm or more.
- the cross section of the coating line may be a convex shape
- the cross section of the base material after the conductive film is removed may be a semicircular concave shape.
- the removal effect of the present invention may be proportional to the coating thickness
- the removal may be intermediated at the periphery of the conductive film removal portion.
- the removal agent does not move from the location where it is applied, the desired location can be removed with high accuracy evenly, even if the coating amount increases or decreases slightly, or even if the heat treatment temperature or time varies slightly. can do.
- the conductive film removing agent and the conductive film removing method of the present invention will be specifically described based on examples. However, the present invention is not limited to the following examples.
- the substrate was drained with compressed air, then placed in an infrared oven and dried at 80 ° C. for 1 minute to obtain a substrate with a conductive film on which the conductive film was patterned.
- the patterned substrate with the conductive film was observed with an optical microscope (ECLIPSE-L200 manufactured by Nikon Corporation, magnification 500 times). The presence or absence of dot-like residues was evaluated.
- the substrate was drained with compressed air and then dried in an infrared oven at 80 ° C. for 1 minute to obtain a substrate with a conductive film on which the conductive film was patterned.
- a 1 cm portion was cut from both ends of the etching line to obtain a 3 cm ⁇ 10 cm base material with a conductive film partitioned by the etching line.
- the insulation resistance meter (EA709DA-1 manufactured by Sanwa Denki Keiki Co., Ltd.) is applied to the right and left sides of the etching line, and the minimum line width of the pattern showing a resistance of 10 M ⁇ or more when DC 25 V is applied.
- the conductive film removal line width was used. When the conductive film removal line width is 500 ⁇ m or less, it can be said that a high-definition pattern can be formed.
- Example 1 In a container, add 100 g of N-methylpyrrolidone and 10 g of pure water, add 2 g of polyquaternium-10 (Cao Corporation, C-60H), and stir for 30 minutes while heating to 60 ° C. in an oil bath. did. Next, the container was removed from the oil bath and allowed to cool to room temperature, and then 0.1 g of a leveling agent (fluorine-based surfactant F-477 manufactured by DIC Corporation) and sulfuric acid (manufactured by Wako Pure Chemical Industries, Ltd., concentration 98). %, Boiling point under atmospheric pressure: 290 ° C.) was added and stirred for 15 minutes.
- a leveling agent fluorine-based surfactant F-477 manufactured by DIC Corporation
- sulfuric acid manufactured by Wako Pure Chemical Industries, Ltd., concentration 98
- the conductive film remover is applied in a frame pattern as described in (1) above by a screen printing method using a sus # 200 mesh.
- a substrate with a conductive film in which the conductive film was patterned was obtained. Washing was performed with pure water at 25 ° C. for 1 minute. When the appearance of the conductive film removal surface was evaluated, no residue was observed and the appearance was good. The portion where the conductive film was removed was applied with a direct current of 25 V using an insulation resistance meter (EA709DA-1 manufactured by Sanwa Denki Keiki Co., Ltd.) and measured at intervals of 1 cm. As a result, the insulation resistance was 40 M ⁇ or more.
- Example 2 A base with a conductive film in which the conductive film was patterned by performing the same operation as in Example 1 except that the amount of sulfuric acid added to the conductive film remover was changed to 1 g and the heat treatment by the infrared oven was changed to 150 ° C. for 5 minutes. The material was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 3 A conductive film in which the conductive film is patterned by performing the same operation as in Example 1 except that the amount of sulfuric acid added to the conductive film remover is 0.5 g and the heat treatment by the infrared oven is changed to 130 ° C. for 30 minutes. A coated substrate was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 4 Except having changed the heat processing by an infrared oven into 80 degreeC 60 minutes, operation similar to Example 1 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 5 Except that the resin contained in the conductive film remover is carboxymethylcellulose (manufactured by Tokyo Chemical Industry Co., Ltd., weight average molecular weight 230,000), the cleaning liquid is heated to 80 ° C., and the cleaning time is changed to 10 minutes. The same operation as in Example 1 was performed to obtain a base material with a conductive film in which the conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- carboxymethylcellulose manufactured by Tokyo Chemical Industry Co., Ltd., weight average molecular weight 230,000
- Example 6 Except that the resin contained in the conductive film removing agent is polyvinyl pyrrolidone (manufactured by Tokyo Chemical Industry Co., Ltd., weight average molecular weight 40,000), the cleaning liquid is heated to 80 ° C., and the cleaning time is changed to 10 minutes. The same operation as in Example 1 was performed to obtain a base material with a conductive film in which the conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- the resin contained in the conductive film removing agent is polyvinyl pyrrolidone (manufactured by Tokyo Chemical Industry Co., Ltd., weight average molecular weight 40,000)
- the cleaning liquid is heated to 80 ° C., and the cleaning time is changed to 10 minutes.
- the same operation as in Example 1 was performed to obtain a base material with
- Example 7 The same operation as in Example 1 was performed except that the acid contained in the conductive film removing agent was changed to nitric acid (boiling point under atmospheric pressure: 82.6 ° C.), and the heat treatment by the infrared oven was changed to 80 ° C. for 15 minutes. It performed and obtained the base material with the electrically conductive film by which the electrically conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 0.1 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 8 Except that the acid contained in the conductive film removing agent was changed to acetic acid (boiling point under atmospheric pressure: 118 ° C.) and the heat treatment by the infrared oven was changed to 100 ° C. for 15 minutes, the same operation as in Example 1 was performed, The base material with the electrically conductive film by which the electrically conductive film was patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 0.1 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 9 Except having changed the heat processing by an infrared oven into 80 degreeC 60 minutes, operation similar to Example 7 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 0.1 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 10 Except having changed the heat processing by an infrared oven into 80 degreeC for 60 minute (s), operation similar to Example 8 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 0.1 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 11 Except having changed the base material of a base material with a conductive film into the glass substrate of thickness 0.7mm, operation similar to Example 1 was performed and the base material with a conductive film by which the conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 12 Except having changed the base material of a base material with a conductive film into the polycarbonate base material of thickness 1mm, operation similar to Example 1 was performed and the base material with a conductive film by which the conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 13 Add 100 g of N-methylpyrrolidone to the conductive film remover, dilute, change the screen plate to pet # 300 mesh, and dry the conductive film remover to a film thickness of 0.1 ⁇ m, and heat in an infrared oven Except having changed the process into 130 degreeC for 30 minutes, operation similar to Example 1 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.05 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 14 Except for printing the conductive film removing agent a plurality of times and changing the film thickness after drying to 200 ⁇ m, the same operation as in Example 1 was performed to obtain a substrate with a conductive film on which the conductive film was patterned.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 15 The conductive film was patterned in the same manner as in Example 1 except that the acid contained in the conductive film removing agent was changed to basic 2-ethanolamine and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. A substrate with a conductive film was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.05 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 16 The acid contained in the conductive film removing agent was changed to a thermal acid generator 1 (“Sun-Aid (registered trademark)” SI-110, manufactured by Sanshin Chemical Industry Co., Ltd.), and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. Except for the above, the same operation as in Example 1 was performed to obtain a base material with a conductive film in which the conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 1 to 10 residues having an outer periphery of 0.05 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 17 The same as in Example 1 except that the acid contained in the conductive film removing agent was changed to the thermal acid generator 2 (Adekaoptomer CP series, manufactured by ADEKA Corporation) and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes.
- the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 1 to 10 residues having an outer periphery of 0.01 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 18 The same as in Example 1 except that the acid contained in the conductive film removing agent was changed to a thermal base generator 1 (U-CAT SA1, manufactured by San Apro Co., Ltd.) and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. Operation was performed and the base material with an electrically conductive film by which the electrically conductive film was patterned was obtained.
- a thermal base generator 1 U-CAT SA1, manufactured by San Apro Co., Ltd.
- the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. Operation was performed and the base material with an electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.01 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 19 The same operation as in Example 1 was performed except that the conductive film of the base material with a conductive film was vacuum-deposited with antimony-doped tin oxide and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. A substrate with a conductive film patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.1 to 0.3 mm were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 20 The same operation as in Example 1 was performed except that the conductive film of the base material with a conductive film was formed by copper plating by an electrolytic plating method, and the heat treatment by an infrared oven was changed to 130 ° C. for 30 minutes. A patterned base material with a conductive film was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.01 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 23 The conductive film was patterned in the same manner as in Example 1 except that the substrate was provided with a conductive film in which an overcoat layer (N-butyl silicate manufactured by Colcoat Co., Ltd.) was formed to a thickness of 100 nm on the conductive film. A substrate with a conductive film was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- an overcoat layer N-butyl silicate manufactured by Colcoat Co., Ltd.
- Example 24 Except that the resin contained in the conductive film removing agent was changed to polyallylamine (manufactured by Nittobo, weight average molecular weight 20,000), the same operation as in Example 1 was carried out to obtain a conductive film-coated substrate on which the conductive film was patterned. Obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Example 25 The resin contained in the conductive film removing agent is guar hydroxypropyltrimonium chloride (manufactured by Toho Chemical Industry Co., Ltd., weight average molecular weight 200,000), and the leveling agent is a fluorine monomer (manufactured by Neos Co., Ltd. ) Except for changing to “750FL), the same operation as in Example 1 was performed to obtain a substrate with a conductive film in which the conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Comparative Example 1 The same operation as in Example 1 was performed except that the resin was not added to the conductive film remover. However, since the conductive film removing agent was not fixed on the conductive film and partially moved, the pattern shape could not be maintained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 1.5 mm or more were observed. The insulation resistance of the portion where the conductive film was removed was measured in the same manner as in Example 1 and was 1200 ⁇ .
- Comparative Example 2 The same operation as in Example 1 was performed except that no leveling agent was added to the conductive film removing agent. However, the conductive film remover partially repelled on the conductive film, and the pattern shape could not be maintained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 20 or more residues having an outer periphery of 2 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- Comparative Example 3 Resin and leveling agent are not added to the conductive film remover, and the base dimethylacetamide (manufactured by Tokyo Chemical Industry Co., Ltd., boiling point at atmospheric pressure: 165 ° C.) is used in place of acid, and heat treatment with an infrared oven is performed. Except having changed into 130 degreeC for 30 minutes, operation similar to Example 1 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 or more residues having an outer periphery of 1 mm or more were observed. The insulation resistance of the portion where the conductive film was removed was measured in the same manner as in Example 1 and was 2000 ⁇ .
- Comparative Example 4 The same operation as in Example 1 was performed except that the acid contained in the conductive film removing agent was changed to basic ammonia water (boiling point under atmospheric pressure: 38 ° C.). When the appearance of the application surface of the removal agent after the cleaning operation was evaluated in the same manner as in Example 1, the surface was uniform, but the conductive film was not completely removed to the lower layer and remained on the substrate. When the insulation resistance of the application part of the said removal agent was measured similarly to Example 1, it was 1000 (ohm).
- Example 26 In a container, 70 g of ethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd.) and 30 g of N, N′-dimethylpropyleneurea (manufactured by Tokyo Chemical Industry Co., Ltd.) are placed and mixed, and this is mixed with Polyquaternium-11 (manufactured by ISP Japan). ) 5 g and 0.5 g of Aerosil R812S (manufactured by Nippon Aerosil Co., Ltd., silica fine particles, average primary particle size of about 7 nm) as a thixotropic agent were added and stirred for 30 minutes while heating to 60 ° C. in an oil bath.
- ethylene glycol manufactured by Wako Pure Chemical Industries, Ltd.
- 30 g of N, N′-dimethylpropyleneurea manufactured by Tokyo Chemical Industry Co., Ltd.
- Polyquaternium-11 manufactured by ISP Japan
- Aerosil R812S manufactured by Nippon Aerosil Co.,
- Example 1 After removing the container from the oil bath and allowing to cool to room temperature, 0.5 g of a leveling agent (DIC Corporation, F-555) and 4 g of sulfuric acid (Wako Pure Chemical Industries, Ltd., concentration 98%) were added. Added and stirred for 15 minutes. The resulting solution was filtered through a membrane filter (Omnipore membrane PTFE manufactured by Millipore Corporation, nominal 0.45 ⁇ m diameter) to obtain a conductive film remover. Using the obtained conductive film removing agent, the same operation as in Example 1 was performed to evaluate the appearance of the conductive film removal surface. As a result, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- a substrate with a conductive film in which a thin film of a double-walled carbon nanotube (DWCNT) as a fibrous conductor is formed on a PET film having a size of 21 ⁇ 15 cm and a thickness of 188 ⁇ m (transmittance at 550 nm is 88%, surface resistance Was formed to 860 ⁇ / ⁇ ), and the conductive film removal line width was evaluated by the method described in (2) above, and was 100 ⁇ m. Further, when the line linearity (waviness) at the etching boundary portion was evaluated by the method described in (3), the standard deviation ( ⁇ ) was 10 or less.
- DWCNT double-walled carbon nanotube
- Example 27 The acid contained in the conductive film removing agent is 10 g of p-toluenesulfonic acid monohydrate (manufactured by Tokyo Chemical Industry Co., Ltd., boiling point under atmospheric pressure: 103 to 106 ° C.), and the heating time in an infrared oven is 5 minutes. Except having changed, it carried out similarly to Example 26 and obtained the base material with the electrically conductive film by which the electrically conductive film was patterned. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 100 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Example 28 The conductive film was patterned by performing the same operation as in Example 26 except that 5 g of sodium nitrate (manufactured by Wako Pure Chemical Industries, Ltd.) was added to the conductive film remover and the heating time in the infrared oven was changed to 3 minutes. A substrate with a conductive film was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 50 ⁇ m and the standard deviation ( ⁇ ) was 10 or less.
- sodium nitrate manufactured by Wako Pure Chemical Industries, Ltd.
- Example 29 The acid contained in the conductive film removing agent was changed to 10 g of p-toluenesulfonic acid monohydrate, 5 g of sodium nitrate was further added, and the heating time in the infrared oven was changed to 3 minutes. Operation was performed and the base material with an electrically conductive film by which the electrically conductive film was patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 30 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Example 30 The base material of the base material with a conductive film is changed to a glass substrate having a thickness of 0.7 mm, and the acid contained in the conductive film removing agent is phenolsulfonic acid (manufactured by Tokyo Chemical Industry Co., Ltd., solid: decomposition temperature 180 ° C. or higher) 4 g
- the thixotropic agent was changed to 0.5 g of Aerosil 300 (manufactured by Nippon Aerosil Co., Ltd., silica fine particles, average primary particle size of about 7 nm), 5 g of potassium nitrate (manufactured by Wako Pure Chemical Industries, Ltd.) was added, and an infrared oven was used.
- Example 26 Except having changed the heating time into 3 minutes, operation similar to Example 26 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- the conductive film removal line width was 30 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Example 31 A conductive layer of a substrate with a conductive film is formed on the graphene formed by using the method described in The Journal of Physical Chemistry B, Vol. 110, Vol. 110, p8535-8539. Except for changing the thixotropic agent to 0.5 g of Thixatrol MAX (made by Elementis Japan Co., Ltd., polyester amide derivative), the same operation as in Example 26 was performed to obtain a substrate with a conductive film on which the conductive film was patterned. It was. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 100 ⁇ m and the standard deviation ( ⁇ ) was 10 or less.
- Example 32 The acid contained in the conductive film removing agent is 10 g of benzenesulfonic acid (manufactured by Tokyo Chemical Industry Co., Ltd., solid: decomposition temperature 200 ° C. or higher), the resin is 3 g of hydroxyethyl cellulose (manufactured by Daicel Chemical Industries, Ltd.), and the thixotropic agent.
- the resin is 3 g of hydroxyethyl cellulose (manufactured by Daicel Chemical Industries, Ltd.), and the thixotropic agent.
- BYK-405 manufactured by Big Chemie Japan Co., Ltd., polycarboxylic acid amide
- 5 g of sodium nitrate was further added, the heating time in the infrared oven was 3 minutes, and the cleaning liquid was heated to 80 ° C.
- Example 31 Except for changing the pure water and the washing time to 10 minutes, the same operation as in Example 31 was performed to obtain a substrate with a conductive film in which the conductive film was patterned.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- the conductive film removal line width was 50 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Example 33 The conductive film was patterned in the same manner as in Example 31 except that 5 g of sodium nitrite (manufactured by Wako Pure Chemical Industries, Ltd.) was added to the conductive film remover and the heating time in the infrared oven was changed to 3 minutes. The obtained base material with a conductive film was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 100 ⁇ m and the standard deviation ( ⁇ ) was 10 or less.
- sodium nitrite manufactured by Wako Pure Chemical Industries, Ltd.
- Example 34 A conductive film of a base material with a conductive film was synthesized using silver nanowires synthesized by the method described in Chemistry of Materials 2002 Volume 14 p4736-4745. The same operation as in Example 26 was performed, except that the thickness was changed to 0.5 g of Tixatrol MAX to obtain a substrate with a conductive film in which the conductive film was patterned.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.01 mm or more were observed.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 20 M ⁇ or less.
- the conductive film removal line width was 500 ⁇ m and the standard deviation ( ⁇ ) was 30 or less.
- Example 35 Except that 5 g of sodium nitrate was added to the conductive film remover and the heating time in the infrared oven was changed to 3 minutes, the same operation as in Example 34 was performed to obtain a substrate with a conductive film in which the conductive film was patterned.
- the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more.
- the conductive film removal line width was 100 ⁇ m and the standard deviation ( ⁇ ) was 10 or less.
- Example 36 The acid contained in the conductive film removing agent was changed to 10 g of p-toluenesulfonic acid monohydrate, 5 g of sodium nitrate was further added, and the heating time in the infrared oven was changed to 3 minutes. Operation was performed and the base material with an electrically conductive film by which the electrically conductive film was patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 30 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Example 37 The copper whisker formed by using the method described in Japanese Patent Application Publication No. 2002-266007 is used for the conductive layer of the substrate with the conductive film, the resin contained in the conductive film removing agent is changed to polyquaternium-10, and the thixotropic agent is changed to thixatrol MAX. Except having done, operation similar to Example 26 was performed and the base material with the electrically conductive film by which the electrically conductive film was patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, 10 to 20 residues having an outer periphery of 0.01 mm or more were observed. When the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 100 ⁇ m and the standard deviation ( ⁇ ) was 10 or less.
- Example 38 The copper nanowire formed by using the method described in Japanese Patent Application Laid-Open No. 2002-266007 was formed on the conductive layer of the substrate with the conductive film, and the acid contained in the conductive film removing agent was changed to 10 g of p-toluenesulfonic acid monohydrate.
- the same procedure as in Example 26 was performed except that the resin was changed to polyquaternium-10, the thixotropic agent was changed to thixatrol MAX, 5 g of sodium nitrate was added, and the heating time in the infrared oven was changed to 3 minutes. A substrate with a conductive film patterned was obtained. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, no residue was observed and the appearance was good.
- the insulation resistance of the conductive film removed portion was measured in the same manner as in Example 1, it was 40 M ⁇ or more. Moreover, as a result of evaluating the conductive film removal line width and the line linearity of the etching boundary portion in the same manner as in Example 26, the conductive film removal line width was 30 ⁇ m and the standard deviation ( ⁇ ) was 5 or less.
- Comparative Example 5 The same operation as in Example 26 was performed except that 5 g of sodium nitrate was added to the conductive film remover and no acid was added. When the appearance of the conductive film removal surface was evaluated in the same manner as in Example 1, the conductive film could not be removed, and the resistance value was 860 ⁇ .
- Tables 1 to 4 show the compositions and evaluation results of Examples and Comparative Examples.
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Abstract
Description
各実施例・比較例に記載の導電膜付き基材上に、sus#200メッシュを用いたスクリーン印刷法によって、外枠10cm×10cm、内枠9×9cmの線幅1cmの額縁状パターンで導電膜除去剤を乾燥後の膜厚が表1~表3に記載の値となるように塗布し、その後、赤外線オーブンに入れ、表1~表3に記載の条件で加熱処理した。加熱処理後、オーブンから取り出し室温まで放冷した後、各実施例・比較例に記載の条件で洗浄して基材に付着している導電膜除去剤および分解物を除去した。そして、前記基板を圧空で水切りしてから赤外線オーブンに入れ80℃で1分間乾燥し、導電膜がパターニングされた導電膜付き基材を得た。パターニングされた導電膜付き基材を、光学顕微鏡((株)ニコン製ECLIPSE-L200、倍率500倍)にて観察し、外枠10cm×10cmの枠内について外周0.01mm以上の斑状および/またはドット状の残渣の有無を評価した。
実施例26~38および比較例5に記載の導電膜付き基材上に、sus#500メッシュを用いて導電膜除去剤を乾燥後の膜厚が表3に記載の値となるようにスクリーン印刷した。印刷パターンは、ライン長5cm、ライン幅30μm、50μm、100μm、500μmの各直線ラインとした。導電膜除去剤を塗布後、表3に記載の条件で加熱処理し、オーブンから取り出し室温まで放冷した後、25℃の純水を用いて1分間洗浄して基材に付着している導電膜除去剤および分解物を除去した。そして、前記基板を圧空で水切りしてから赤外線オーブンで80℃1分間乾燥し、導電膜がパターニングされた導電膜付き基材を得た。次に、エッチングライン両端部から1cmの部分を切断し、エッチングラインで仕切られた3cm×10cmの導電膜付き基材を得た。そして、エッチングラインの右側と左側に絶縁抵抗計(三和電気計器(株)製、EA709DA-1)の探針をあて、直流25V印加で10MΩ以上の抵抗を示したパターンの最小のライン幅を、導電膜除去ライン幅とした。導電膜除去ライン幅が500μm以下である場合、高精細のパターンを形成することができるといえる。
前記(1)に記載の方法により形成した枠状の導電膜除去ラインを光学顕微鏡((株)ニコン製ECLIPSE-L200、倍率500倍)で観察した。該除去ラインを100μmごとにライン幅を測定し、計20点から標準偏差(σ)を算出した。標準偏差が5以下である場合、高精細のパターンを形成することができるといえる。
容器にN-メチルピロリドン100gと純水10gを入れて混合し、これに、ポリクオタニウム-10(花王(株)製、C-60H)2gを加え、オイルバスで60℃に加熱しながら30分間撹拌した。次に容器をオイルバスから外し室温まで放冷した後、レベリング剤(DIC(株)製フッ素系界面活性剤F-477)0.1gと、硫酸(和光純薬工業(株)製、濃度98%、大気圧下における沸点:290℃)4gを加え、15分間撹拌した。得られた溶液をメンブレンフィルター(ミリポア(株)製オムニポアメンブレンPTFE、公称0.45μm径)で濾過して、導電膜除去剤を得た。次に、サイズ21×15cm、厚み188μmのPETフィルム上に繊維状導電体である二層カーボンナノチューブ(DWCNT)の薄膜が形成された導電膜付き基材(550nmでの透過率が88%、表面抵抗が860Ω/□に形成されたもの)上に、sus#200メッシュを用いたスクリーン印刷法によって、前記(1)記載の額縁状パターンで前記導電膜除去剤を塗布し、前記(1)記載の方法により、導電膜がパターニングされた導電膜付き基材を得た。洗浄は25℃の純水で1分間行った。導電膜除去面の外観を評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分を絶縁抵抗計(三和電気計器(株)製、EA709DA-1)を用いて直流25V印加し、1cm間隔で測定した結果、絶縁抵抗は40MΩ以上であった。
導電膜除去剤に添加する硫酸の量を1gとし、赤外線オーブンによる加熱処理を150℃5分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に添加する硫酸の量を0.5gとし、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
赤外線オーブンによる加熱処理を80℃60分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる樹脂をカルボキシメチルセルロース(東京化成工業(株)製、重量平均分子量23万)に、洗浄液を80℃に加温した純水に、洗浄時間を10分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる樹脂をポリビニルピロリドン(東京化成工業(株)製、重量平均分子量4万)に、洗浄液を80℃に加温した純水に、洗浄時間を10分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を硝酸(大気圧下における沸点:82.6℃)に変更し、赤外線オーブンによる加熱処理を80℃15分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.1mm以上の残渣が10個以上観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を酢酸(大気圧下における沸点:118℃)に変更し、赤外線オーブンによる加熱処理を100℃15分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.1mm以上の残渣が10個以上観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
赤外線オーブンによる加熱処理を80℃60分間に変更した以外は、実施例7と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.1mm以上の残渣が10個以上観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
赤外線オーブンによる加熱処理を80℃60分間に変更した以外は、実施例8と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.1mm以上の残渣が10個以上観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜付き基材の基材を厚み0.7mmのガラス基板に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜付き基材の基材を厚み1mmのポリカーボネート基材に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤にN-メチルピロリドン100gを追加して希釈し、スクリーン版をpet#300メッシュに変更し、導電膜除去剤の乾燥後膜厚が0.1μmとなるようにし、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.05mm以上の残渣が10~20個観察されて。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤を複数回印刷して乾燥後膜厚を200μmに変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を塩基性の2-エタノールアミンに、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.05mm以上の残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を熱酸発生剤1(“サンエイド(登録商標)”SI-110、三新化学工業(株)製)に、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.05mm以上の残渣が1~10個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を熱酸発生剤2(アデカオプトマーCPシリーズ、(株)ADEKA製)に、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.01mm以上の残渣が1~10個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸を熱塩基発生剤1(U-CAT SA1、サンアプロ(株)製)に、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.01mm以上の残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜付き基材の導電膜をアンチモンドープ酸化錫で真空蒸着成膜したものに、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.1~0.3mmの残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜付き基材の導電膜を電解メッキ法により銅を成膜したものに、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.01mm以上の残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜付き基材の導電膜のCNTをウィスカー状のアンチモンドープ酸化錫の水分散体(石原産業(株)製針状透明導電材FS-10D、L/D=20~30)に、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜に粒子状のITOを用いた導電膜付き基材(TDK(株)製“フレクリア(登録商標)”、L/D=0.8~1.3)を用い、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜上にオーバーコート層(コルコート(株)製N-ブチルシリケート)を厚み100nmに形成した導電膜付き基材に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる樹脂をポリアリルアミン(日東紡製、重量平均分子量2万)に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる樹脂をグアーヒドロキシプロピルトリモニウムクロリド(東邦化学工業(株)製、重量平均分子量20万)に、レベリング剤をフッ素系モノマー((株)ネオス製“フタージェント(登録商標)”750FL)に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に樹脂を添加しないこと以外は、実施例1と同様の操作を行った。しかし、導電膜除去剤が導電膜上に固定されず、一部はじいて移動したため、パターン形状を維持できなかった。導電膜除去面の外観を実施例1と同様に評価したところ、外周1.5mm以上の残渣が10個以上認められた。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、1200Ωであった。
導電膜除去剤にレベリング剤を添加しないこと以外は、実施例1と同様の操作を行った。しかし、導電膜除去剤が導電膜上で一部はじき、パターン形状を維持できなかった。導電膜除去面の外観を実施例1と同様に評価したところ、外周2mm以上の残渣が20個以上認められた。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に樹脂とレベリング剤を添加せず、さらに酸のかわりに塩基のジメチルアセトアミド(東京化成工業(株)製、大気圧下における沸点:165℃)を用い、赤外線オーブンによる加熱処理を130℃30分間に変更した以外は、実施例1と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周1mm以上の残渣が10個以上認められた。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、2000Ωであった。
導電膜除去剤に含まれる酸を塩基性のアンモニア水(大気圧下における沸点:38℃)に変更した以外は、実施例1と同様の操作を行った。洗浄操作後の前記除去剤の塗布面を実施例1と同様に外観評価したところ、面内は均一であったが、導電膜が下層まで除去しきれておらず基材に残っていた。前記除去剤の塗布部分の絶縁抵抗を実施例1と同様に測定したところ、1000Ωであった。
容器にエチレングリコール(和光純薬工業(株)製)70gとN,N’-ジメチルプロピレン尿素(東京化成工業(株)製)30gを入れて混合し、これに、ポリクオタニウム-11(ISPジャパン製)5gとチキソ剤としてアエロジルR812S(日本アエロジル(株)製、シリカ微粒子、平均一次粒径約7nm)0.5gを加え、オイルバスで60℃に加熱しながら30分間撹拌した。次に、容器をオイルバスから外し室温まで放冷した後、レベリング剤(DIC(株)製、F-555)0.5gと硫酸(和光純薬工業(株)製、濃度98%)4gを加え、15分間撹拌した。得られた溶液をメンブレンフィルター(ミリポア(株)製オムニポアメンブレンPTFE、公称0.45μm径)で濾過して、導電膜除去剤を得た。得られた導電膜除去剤を用いて、実施例1と同様の操作を行い導電膜除去面の外観を評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。
導電膜除去剤に含まれる酸をp-トルエンスルホン酸一水和物(東京化成工業(株)製、大気圧下における沸点:103~106℃)10gに、赤外線オーブンによる加熱時間を5分間に変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は100μm、標準偏差(σ)は5以下であった。
導電膜除去剤に硝酸ナトリウム(和光純薬工業(株)製)5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は50μm、標準偏差(σ)は10以下であった。
導電膜除去剤に含まれる酸をp-トルエンスルホン酸一水和物10gに変更し、さらに硝酸ナトリウム5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は30μm、標準偏差(σ)は5以下であった。
導電膜付き基材の基材を厚み0.7mmのガラス基板に変更し、導電膜除去剤に含まれる酸をフェノールスルホン酸(東京化成工業(株)製、固体:分解温度180℃以上)4gに、チキソ剤をアエロジル300(日本アエロジル(株)製、シリカ微粒子、平均一次粒径約7nm)0.5gに変更し、さらに硝酸カリウム(和光純薬工業(株)製)5g加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は30μm、標準偏差(σ)は5以下であった。
導電膜付き基材の導電層をThe Journal of Physical Chemistry B 誌2006年第110巻p8535-8539記載の方法を用いて成膜したグラフェンに、導電膜除去剤に含まれる樹脂をポリクオタニウム-10に、チキソ剤をチクサトロールMAX(エレメンティスジャパン(株)製、ポリエステルアミド誘導体)0.5gに変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は100μm、標準偏差(σ)は10以下であった。
導電膜除去剤に含まれる酸をベンゼンスルホン酸(東京化成工業(株)製、固体:分解温度200℃以上)10gに、樹脂をヒドロキシエチルセルロース(ダイセル化学工業(株)製)3gに、チキソ剤をBYK-405(ビックケミー・ジャパン(株)製、ポリカルボン酸アミド)0.5gに変更し、さらに硝酸ナトリウム5gを加え、赤外線オーブンによる加熱時間を3分間に、洗浄液を80℃に加温した純水、洗浄時間を10分間に変更した以外は、実施例31と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例28と同様に評価した結果、導電膜除去ライン幅は50μm、標準偏差(σ)は5以下であった。
導電膜除去剤に亜硝酸ナトリウム(和光純薬工業(株)製)5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例31と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は100μm、標準偏差(σ)は10以下であった。
導電膜付き基材の導電膜をChemistry of Materials誌2002年14巻p4736-4745に記載の方法を用いて合成した銀ナノワイヤーに、導電膜除去剤に含まれる樹脂をポリクオタニウム-10に、チキソ剤をチクサトロールMAX0.5gに変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.01mm以上の残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、20MΩ以下であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は500μm、標準偏差(σ)は30以下であった。
導電膜除去剤に硝酸ナトリウム5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例34と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は100μm、標準偏差(σ)は10以下であった。
導電膜除去剤に含まれる酸をp-トルエンスルホン酸一水和物10gに変更し、さらに硝酸ナトリウム5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例34と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は30μm、標準偏差(σ)は5以下であった。
導電膜付き基材の導電層を公開特許公報2002-266007号記載の方法を用いて製膜した銅ウィスカーに、導電膜除去剤に含まれる樹脂をポリクオタニウム-10に、チキソ剤をチクサトロールMAXに変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、外周0.01mm以上の残渣が10~20個観察された。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は100μm、標準偏差(σ)は10以下であった。
導電膜付き基材の導電層を公開特許公報2002-266007号記載の方法を用いて製膜した銅ナノワイヤーに、導電膜除去剤に含まれる酸をp-トルエンスルホン酸一水和物10gに、樹脂をポリクオタニウム-10に、チキソ剤をチクサトロールMAXに変更し、さらに硝酸ナトリウム5gを加え、赤外線オーブンによる加熱時間を3分間に変更した以外は、実施例26と同様の操作を行い、導電膜がパターニングされた導電膜付き基材を得た。導電膜除去面の外観を実施例1と同様に評価したところ、残渣は観察されず外観は良好であった。導電膜除去部分の絶縁抵抗を実施例1と同様に測定したところ、40MΩ以上であった。また、導電膜除去ライン幅とエッチング境界部のライン直線性を実施例26と同様に評価した結果、導電膜除去ライン幅は30μm、標準偏差(σ)は5以下であった。
導電膜除去剤に硝酸ナトリウム5gを加え、さらに酸を添加しないこと以外は、実施例26と同様の操作を行った。導電膜除去面の外観を実施例1と同様に評価したところ、導電膜は除去できず、抵抗値は860Ωであった。
102 導電膜
103 導電膜除去剤
104 導電膜が除去された部分
Claims (10)
- 沸点が80℃以上の酸または沸点が80℃以上の塩基もしくは外部エネルギーにより酸または塩基を発生させる化合物、溶媒、樹脂およびレベリング剤を含む導電膜除去剤。
- 沸点が80℃以上の酸が硫酸またはスルホン酸化合物である請求項1記載の導電膜除去剤。
- 沸点が80℃以上の酸または外部エネルギーにより酸を発生させる化合物を含み、さらに硝酸塩または亜硝酸塩を含む請求項1記載の導電膜除去剤。
- 樹脂がカチオン性樹脂である請求項1記載の導電膜除去剤。
- カチオン性樹脂が、第1級~第4級アミノ基のいずれかを構造の一部に含む樹脂である請求項1記載の導電膜除去剤。
- 基材上にウィスカー状導電体、繊維状導電体または粒子状導電体を含む導電膜を有する導電膜付き基材の少なくとも一部に、請求項1記載の導電膜除去剤を塗布する工程、80℃以上で加熱処理する工程および液体を用いた洗浄によって導電膜を除去する工程を有する導電膜除去方法。
- 繊維状導電体がカーボンナノチューブである請求項6記載の導電膜除去方法。
- 導電膜除去剤を、乾燥後の厚みが0.1~200μmとなるように塗布する請求項6記載の導電膜除去方法。
- 導電膜上にオーバーコート層を有する導電膜付き基材からオーバーコート層と導電膜とを除去する請求項6記載の導電膜除去方法。
- 請求項6記載の導電膜除去方法によって導電膜を選択的に除去して所望のパターンを形成する導電膜のパターニング方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/262,454 US8617418B2 (en) | 2009-03-30 | 2010-03-25 | Conductive film removal agent and conductive film removal method |
| CN201080015763.3A CN102369258B (zh) | 2009-03-30 | 2010-03-25 | 导电膜去除剂及导电膜去除方法 |
| JP2010512457A JP4998619B2 (ja) | 2009-03-30 | 2010-03-25 | 導電膜除去剤および導電膜除去方法 |
| EP10758517.6A EP2415849A4 (en) | 2009-03-30 | 2010-03-25 | CONDUCTIVE FILM ELIMINATING AGENT AND METHOD FOR REMOVING CONDUCTIVE FILM |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-081411 | 2009-03-30 | ||
| JP2009081411 | 2009-03-30 | ||
| JP2009263510 | 2009-11-19 | ||
| JP2009-263510 | 2009-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010113744A1 true WO2010113744A1 (ja) | 2010-10-07 |
Family
ID=42828037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/055178 Ceased WO2010113744A1 (ja) | 2009-03-30 | 2010-03-25 | 導電膜除去剤および導電膜除去方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8617418B2 (ja) |
| EP (1) | EP2415849A4 (ja) |
| JP (1) | JP4998619B2 (ja) |
| KR (1) | KR20120003874A (ja) |
| CN (1) | CN102369258B (ja) |
| TW (1) | TWI494415B (ja) |
| WO (1) | WO2010113744A1 (ja) |
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| WO2012083082A1 (en) * | 2010-12-15 | 2012-06-21 | Sun Chemical Corporation | Printable etchant compositions for etching silver nanoware-based transparent, conductive film |
| WO2012176905A1 (ja) | 2011-06-24 | 2012-12-27 | 株式会社クラレ | 導電膜形成方法、導電膜、絶縁化方法、及び絶縁膜 |
| JP2013008877A (ja) * | 2011-06-24 | 2013-01-10 | Kuraray Co Ltd | カーボンナノチューブ層とオーバーコート層とを具備する複合層のパターン形成方法、及び前記方法で形成されたパターン |
| JP2013016428A (ja) * | 2011-07-06 | 2013-01-24 | Shin Etsu Polymer Co Ltd | 絶縁部形成方法及び導電パターン形成基板の製造方法 |
| WO2013060409A1 (en) * | 2011-10-27 | 2013-05-02 | Merck Patent Gmbh | Selective etching of a matrix comprising silver nano wires |
| EP2587564A1 (en) * | 2011-10-27 | 2013-05-01 | Merck Patent GmbH | Selective etching of a matrix comprising silver nanowires or carbon nanotubes |
| CN103907216A (zh) * | 2011-10-27 | 2014-07-02 | 默克专利股份有限公司 | 对包含银纳米线的基质的选择性蚀刻 |
| JP2015501541A (ja) * | 2011-10-27 | 2015-01-15 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングMerck Patent Gesellschaft mit beschraenkter Haftung | 銀ナノワイヤーを含むマトリックスの選択的エッチング |
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| CN102698268A (zh) * | 2012-05-21 | 2012-10-03 | 苏州大学 | 一种导电高分子纳米材料及其用途 |
| JP2013247250A (ja) * | 2012-05-25 | 2013-12-09 | Toagosei Co Ltd | 導電性高分子のエッチング液、およびエッチング液を用いた導電性高分子パターンの形成方法。 |
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| US20140170427A1 (en) * | 2012-12-13 | 2014-06-19 | Carestream Health, Inc. | Anticorrosion agents for transparent conductive film |
| WO2016002090A1 (ja) * | 2014-06-30 | 2016-01-07 | 光村印刷株式会社 | 導電性基材及び、導電性基材の製造方法 |
| WO2017033915A1 (ja) * | 2015-08-26 | 2017-03-02 | 株式会社Adeka | エッチング液組成物及びエッチング方法 |
| JPWO2017033915A1 (ja) * | 2015-08-26 | 2018-06-14 | 株式会社Adeka | エッチング液組成物及びエッチング方法 |
| JP2017084994A (ja) * | 2015-10-29 | 2017-05-18 | 東亞合成株式会社 | 導電性高分子用エッチングインクおよび導電性高分子のパターニング方法 |
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| JP2017216444A (ja) * | 2016-05-31 | 2017-12-07 | ナガセケムテックス株式会社 | エッチング液 |
| TWI747926B (zh) * | 2016-08-05 | 2021-12-01 | 日商東京威力科創股份有限公司 | 基板處理裝置、基板處理方法及記錄有實行基板處理方法之程式的記憶媒體 |
| JP2018022845A (ja) * | 2016-08-05 | 2018-02-08 | 東京エレクトロン株式会社 | 基板処理装置、基板処理方法及び基板処理方法を実行させるプログラムが記録された記憶媒体 |
| KR20180016285A (ko) * | 2016-08-05 | 2018-02-14 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 장치, 기판 처리 방법, 및 기판 처리 방법을 실행시키는 프로그램이 기록된 기억 매체 |
| KR102409609B1 (ko) | 2016-08-05 | 2022-06-17 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 장치, 기판 처리 방법, 및 기판 처리 방법을 실행시키는 프로그램이 기록된 기억 매체 |
| JP2018164067A (ja) * | 2016-12-26 | 2018-10-18 | 東京エレクトロン株式会社 | 基板処理方法、基板処理装置、基板処理システム、基板処理システムの制御装置、半導体基板の製造方法および半導体基板 |
| CN108920035A (zh) * | 2018-06-30 | 2018-11-30 | 云谷(固安)科技有限公司 | 触控面板及其制作方法 |
| CN110218563B (zh) * | 2019-06-11 | 2021-04-06 | 厦门市豪尔新材料股份有限公司 | 一种刻蚀浆料及其制备方法和应用以及太阳能电池的制造方法 |
| CN110218563A (zh) * | 2019-06-11 | 2019-09-10 | 厦门市豪尔新材料股份有限公司 | 一种刻蚀浆料及其制备方法和应用以及太阳能电池的制造方法 |
| WO2023162868A1 (ja) * | 2022-02-22 | 2023-08-31 | 富士フイルム株式会社 | 組成物 |
| WO2024253067A1 (ja) * | 2023-06-09 | 2024-12-12 | 株式会社ダイセル | ウェットエッチング液、エッチング処理された無機材料の製造方法、半導体デバイスの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI494415B (zh) | 2015-08-01 |
| CN102369258A (zh) | 2012-03-07 |
| US8617418B2 (en) | 2013-12-31 |
| KR20120003874A (ko) | 2012-01-11 |
| JPWO2010113744A1 (ja) | 2012-10-11 |
| TW201042009A (en) | 2010-12-01 |
| JP4998619B2 (ja) | 2012-08-15 |
| CN102369258B (zh) | 2014-12-10 |
| US20120031872A1 (en) | 2012-02-09 |
| EP2415849A1 (en) | 2012-02-08 |
| EP2415849A4 (en) | 2014-12-17 |
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