WO2005008875A1 - アクチュエータ素子の製造方法 - Google Patents
アクチュエータ素子の製造方法 Download PDFInfo
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- WO2005008875A1 WO2005008875A1 PCT/JP2004/010480 JP2004010480W WO2005008875A1 WO 2005008875 A1 WO2005008875 A1 WO 2005008875A1 JP 2004010480 W JP2004010480 W JP 2004010480W WO 2005008875 A1 WO2005008875 A1 WO 2005008875A1
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- layer
- metal layer
- actuator element
- conductive polymer
- forming step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
Definitions
- the present invention relates to an actuator element having a metal layer on a conductive polymer layer, and a method for manufacturing the actuator element.
- a conductive polymer represented by polypyrrole is known to exhibit electrolytic stretching, which is a phenomenon of stretching or deforming due to electrochemical redox.
- the electrolytic expansion and contraction of the conductive polymer can be used to drive a linear actuator.
- a linear actuator using polypyrrole exhibits a maximum expansion and contraction rate of 15.1% per redox cycle due to electrolytic expansion and contraction, and can generate a maximum of 22 MPa.
- an actuator element using a conductive polymer is expected to be used not only as a small driving device such as a micromachine but also as a large driving device.
- a small driving device such as a micromachine
- an artificial muscle, a robot arm, and an artificial hand It is expected to be used for applications such as actuators
- Non-Patent Document 1 Shinji and four others, "Highly Stretchable and Powerful Polypyrrole Linear Actuators", Chemistry Letters, Japan Published by Nippon Dani Gakkai, 2003, Vol. 32, No. 7, ⁇ 576-577
- the conductive polymer has a high conductivity.
- a voltage drop occurs due to the resistance value of the molecule.
- the conductivity of the conductive polymer further decreases. For this reason, when a conductive polymer is used as an actuator, in the undoped state, it is difficult to maximize the stretching performance due to the effect of the voltage drop.
- an electrode layer on the conductive polymer layer by attaching a metal thin film on the conductive polymer layer.
- the electrode layer made of a metal thin film attached to the conductive polymer layer is formed by the conductive polymer layer and the electrode layer while maintaining a state in which the electrode layer can apply a voltage to the conductive polymer layer.
- the conductive polymer which is difficult to provide an adhesive layer between them, tends to peel off when electrolytically expanding and contracting.
- a metal layer is formed on a surface of a base material by sputtering, and this metal layer is electrolytically polymerized as an electrode to form a conductive polymer layer on the metal layer.
- a method of forming a conductive polymer in which a metal layer usable as an electrode is laminated by peeling off the substrate from the interface with the metal layer is considered.
- the metal layer enters into the recesses on the surface of the substrate layer, so that it is difficult for the metal layer to peel off from the substrate.
- a flexible rubber material is used for the base material so that the metal layer is easily separated from the base material, the size of the base material is increased in order to obtain a conductive polymer having a large size. Therefore, the vicinity of the center of the base material is easily deformed, and the metal layer on the base material is easily deformed.
- the use of a flexible base material is not suitable for obtaining a large-sized conductive polymer that is difficult to handle, because the conductive property of the electrode is impaired if the metal layer is distorted. .
- an actuator element using a conductive polymer that does not cause a reduction in the expansion rate and / or expansion rate due to electrolytic expansion that does not cause a voltage drop even in the undoped state due to electrolytic expansion is produced by sputtering. It is difficult to obtain it by forming a laminate of a metal layer and a conductive polymer layer by electrolytic polymerization using the obtained metal layer as an electrode.
- An object of the present invention is to provide an actuator element using a conductive polymer that does not cause a reduction in the expansion rate and / or expansion rate due to electrolytic expansion that does not cause a voltage drop even in a undoped state due to electrolytic expansion. To provide a method for manufacturing an actuator which can easily obtain the above, and an actuator element thereof.
- a method for manufacturing an actuator element having a metal layer on a conductive polymer layer comprising forming a separation layer on a substrate. Performing a metal layer forming step of forming a metal layer on the separation layer formed in the separation layer forming step, and then forming a conductive polymer layer on the metal layer by an electrolytic polymerization method. Conducting a conductive polymer forming step, and separating the obtained laminate of the conductive polymer layer and the metal layer from the base material to obtain an actuator element having a metal layer on the conductive polymer layer.
- the present inventors have found that by using the method for manufacturing an actuator element, it is possible to easily obtain an actuator element in which a metal layer having an uneven surface is formed on a conductive polymer.
- the present invention is a method for manufacturing an actuator element having a metal layer on a conductive polymer layer, wherein the step of forming a separation layer on a substrate is performed. Performing a metal layer forming step of forming a metal layer on the formed separation layer, and then performing a conductive polymer forming step of forming a conductive polymer layer on the metal layer by an electrolytic polymerization method. The laminated body of the conductive polymer layer and the metal layer thus obtained is separated from the base material to obtain an actuator element having a metal layer on the conductive polymer layer.
- a separation layer forming step of forming a separation layer on a substrate is performed.
- the separation layer By providing the separation layer on the base material, the laminate of the conductive polymer layer formed on the separation layer and the metal layer can be easily separated from the base material.
- grease, lubricating oil, or water-soluble polymer is applied to the base material and dulce, lubricating oil, or water-soluble A laminated structure with a separation layer containing the polymer formed is formed Preferably.
- the separation layer containing grease, lubricating oil, or water-soluble polymer can be formed on the substrate by spraying grease, lubricating oil, or water-soluble polymer on the substrate surface, or by using grease, lubricating oil, or water-soluble polymer.
- a known coating method such as a method in which a coating member containing a polymer is rubbed against a substrate can be used.
- the substrate is not particularly limited whether the surface on which the separation layer is laminated is a mirror surface or a rough surface, but can follow large expansion and contraction of the conductive polymer layer.
- the surface of the substrate is rough. More preferably, the surface has irregularities with an average depth of 11 lOO xm.
- the surface of the substrate may be roughened, for example, even if the surface of the substrate is roughened by shaving the surface of the substrate.
- the surface may be roughened by being laid. Also, the roughened substrate surface may have irregularities due to having a corrugated shape.
- the base material can be easily roughened, it is preferable that the base material has a rough surface by roughening the surface of the base material by sliding sandpaper. It is preferable to use a substrate whose surface is formed of a porous plate and / or a mesh material because a rough surface can be easily provided without performing a roughening step.
- the average value of the depth of the irregularities on the substrate surface is the average value of the height from the bottom of the concave portion to the top of the convex portion adjacent to the concave portion at a given area at an arbitrary point on the substrate surface. It is.
- the base material is made of tetrafluoroethylene resin (PTFE).
- PTFE tetrafluoroethylene resin
- polyolefin is preferable.
- a layer containing grease, lubricating oil, or a water-soluble polymer may be applied so that the surface becomes uneven.
- the coating method for forming irregularities on the surface of the separation layer containing grease, lubricating oil, or water-soluble polymer is not particularly limited, but includes spray coating, brush coating, cloth, and the like. A well-known method such as partial thick coating by the method described above can be used.
- the separation layer formed in the separation layer forming step is not particularly limited as long as it is formed on the base material.
- the surface is preferably formed as a rough surface in order to provide fine irregularities so as to easily follow the expansion and contraction of the polymer layer.
- the separation layer can be formed by a coating step of applying grease, lubricating oil, or a water-soluble polymer by a known method, and a coating method of applying grease, lubricating oil, or a water-soluble polymer by a bar coat, or It is preferable to form by a coating method in which grease, lubricating oil, or a water-soluble polymer is included in a coating member such as cloth so as to form a separation layer, because the separation layer is easily formed.
- the thickness of the separation layer is not particularly limited. However, when the surface of the base material is roughened and the surface of the separation layer is roughened by the unevenness of the roughened surface, the metal layer is provided with unevenness. Since the thickness of the separation layer is smaller than the depth of the unevenness of the rough surface of the base material, the unevenness of the base material surface can form the unevenness on the surface of the separation layer. This is preferable because the surface can be roughened.
- the grease, lubricating oil, or water-soluble polymer contained in the separation layer is not particularly limited as long as it is a known grease, lubricating oil, or water-soluble polymer.
- the organic solvent has an organic solvent resistance to the organic solvent because the separation layer can be easily maintained. Since the grease has the organic solvent resistance described above, it is preferable that the grease is a tetrafluoroethylene resin grease or a silicon grease.
- the lubricating oil is preferably a silicone oil because of having the above-mentioned organic solvent resistance.
- the separation layer may be a layer composed of only grease, lubricating oil, or water-soluble polymer, and may be a layer of grease, lubricating oil, or water-soluble polymer containing an additive according to desired characteristics. May be.
- the water-soluble polymer is not particularly limited, but examples of the water-soluble polymer include known water-soluble polymers such as natural resins, semi-synthetic resins, and synthetic resins. Poly Can be used.
- natural resin for example, gum arabic, tragacanth gum, guar gum, locust bean gum, alginic acid, carrageenan, gelatin, polypeptide, casein, xanthan gum, dextran, perlan gum, ramzan gum and the like can be used.
- semi-synthetic resins include methylcellulose, ethylcellulose, hydroxymethinoresenorelose, hydroxyethinoresenorelose, hydroxypinopinoresenorelose, canoleboxymethinoresenorelose, starch, and propylene glycol anoregate. Esters and the like can be used.
- the synthetic resin examples include a water-soluble polyester resin, a water-soluble acrylic resin, a polybutyl alcohol, a polybutylpyrrolidone, a polybutylmethyl ether, a carboxybutyl polymer, a polyethylene oxide, a durubinylpyrrolidone acetate copolymer, and a methylbutylether monoanhydride maleate. Use of an acid copolymer is possible. These water-soluble resins may be used alone or in combination of two or more. As the water-soluble polymer, a water-soluble polymer selected from one or more of carboxymethylcellulose, polyethylene glycol and butyl alcohol is preferable because it is inexpensive, easily available, and grade can be selected according to the use condition.
- a metal layer forming step is performed after the separation layer forming step.
- a metal layer is formed on the surface of the separation layer, but the method for forming the metal layer is not particularly limited.
- a method for forming the metal layer it is preferable to form the metal layer by sputtering, vacuum deposition, or ion plating because the thickness of the metal layer can be relatively easily controlled.
- the separation layer has the property of volatilizing under reduced pressure, the formation of the metal layer by sputtering is easier than the case of forming the metal layer by metal vapor deposition. Les, which can be adjusted, preferred for good workability.
- the metal layer contains a metal having electrical conductivity, and is not particularly limited as long as the metal layer can be used as an electrode, and is made of a metal that can be used as an electrode, such as a noble metal or an alloy. Although a layer may be used, it is particularly preferable that the layer mainly made of Pt or Au is a preferable material because it is a layer made of only a noble metal because of good follow-up to expansion and contraction.
- the metal layer may be a metal that can be used as an electrode, and may have a laminated structure in which a layer containing a metal other than a noble metal is formed on a layer containing only a noble metal as a metal.
- the metal layer forming step in the production method of the present invention may be a metal layer having a laminated structure including a first metal layer containing only a noble metal as a metal and a second metal layer containing a metal other than the noble metal. Good.
- a noble metal layer is formed on the separation layer by sputtering, and a layer containing a metal other than noble metal is formed on the noble metal layer by sputtering.
- a laminated structure can be obtained.
- the first metal layer is formed on the separation layer
- the second metal layer is formed on the first metal layer, and the second metal layer is used as a working electrode and electrolytically polymerized, the obtained is obtained. Since the mechanical strength of the conductive polymer is improved, it is suitable for applications requiring mechanical strength.
- the metal contained in the second metal layer is a metal other than a noble metal, and is not particularly limited as long as it can be used as an electrode.
- Mo, Ti, Ni, Ta, A metal selected from the group consisting of Cr and W or an alloy thereof can also be included.
- the metal contained in the second metal layer is one of the above-mentioned metal elements, in which an electrode can be easily obtained, and the metal of the metal electrode is Ni or Ti.
- the alloy for example, trade names “INC @ LOY alloy 825”, “INCONEL alloy 600”, and riNCONEL alloy X-750 (all manufactured by Daido Special Metal Co., Ltd.) can be used.
- a conductive polymer forming step is performed after the metal layer forming step.
- a conductive polymer is formed on the electrode by an electrolytic polymerization method using the metal layer formed in the metal layer forming step as a working electrode.
- the electropolymerization method comprises an organic compound containing at least one bond or functional group among ether bond, ester bond, carbonate bond, hydroxyl group, nitro group, sulfone group and nitrile group.
- the electrolytic solution used in the electrolytic polymerization method contains at least one bond or functional group of an ether bond, an ester bond, a carbonate bond, a hydroxyl group, a nitro group, a sulfone group, and a nitrile group.
- Organic compounds and / or halogenated hydrocarbons are included as solvents. Two or more of these solvents can be used in combination.
- Examples of the organic compound include 1,2-dimethoxyethane, 1,2-diethoxytan, tetrahydrofuran, 2-methyltetrahydrofuran, 1,4-dioxane (the above are organic compounds containing an ether bond), y- Buta-mouth ratatone, ethyl acetate, n-butyl acetate, _t-butyl acetate, 1,2_diacetoxetane, 3-methyl-2_oxazolidinone, methyl benzoate, ethyl benzoate, butyl benzoate, dimethyl phthalate, Getyl phthalate (above, organic compounds containing an ester bond), propylene carbonate, ethylene carbonate, dimethyl carbonate, ethynolecarbonate, methinoolethynolecarbonate (above, an organic compound containing a carbonate bond), ethylene glycol, 1- Butanol, 1_hexanol, cycl
- the organic compound containing a hydroxyl group is not particularly limited, but is preferably a polyhydric alcohol and a monohydric alcohol having 4 or more carbon atoms because of its good elasticity.
- the organic compound may have two or more bonds or functional groups among ether bonds, ester bonds, carbonate bonds, hydroxyl groups, nitro groups, sulfone groups, and nitrile groups in the molecule. May be used in any combination.
- the organic compound When the organic compound is used as a solvent for an electrolytic solution by mixing two or more of the organic compounds, an organic compound having an ether bond, an organic compound having an ester bond, an organic compound having a carbonate bond, Among the organic compounds containing a hydroxy group, the organic compounds containing a nitro group, the organic compounds containing a sulfone group, and the organic compounds containing a nitrile group, a combination of an organic compound having excellent extension and an organic compound having excellent contraction is provided. At the same time, the expansion / contraction ratio of the conductive polymer obtained by electrolytic polymerization per oxidation-reduction cycle should be improved. I can do it.
- the halogenated hydrocarbon contained as a solvent in the electrolytic solution is a hydrocarbon in which at least one hydrogen atom has been replaced by a halogen atom, and exists stably as a liquid under electropolymerization conditions. It is not particularly limited as long as it can do it.
- Examples of the halogenated hydrocarbon include dichloromethane and dichloroethane.
- the halogenated hydrocarbon only one kind can be used as a solvent in the electrolytic solution, but two or more kinds can be used in combination. Further, the halogenated hydrocarbon may be used as a mixture with the above organic compound, and a mixed solvent with the organic solvent may be used as a solvent in the electrolytic solution.
- the electrolytic solution used in the electrolytic polymerization method contains an organic compound to be electrolytically polymerized (for example, pyrrole), trifluoromethanesulfonic acid ion, and anion containing a plurality of fluorine atoms with respect to Z or a central atom.
- an organic compound to be electrolytically polymerized for example, pyrrole
- trifluoromethanesulfonic acid ion trifluoromethanesulfonic acid ion
- anion containing a plurality of fluorine atoms with respect to Z or a central atom By conducting electrolytic polymerization using this electrolytic solution, it is possible to obtain a conductive polymer having an excellent expansion / contraction ratio per oxidation-reduction cycle and / or a displacement ratio per specific time in electrolytic expansion / contraction.
- trifluoromethanesulfonic acid ions and / or anions containing a plurality of fluorine atoms with respect to the central atom are
- the content of the anion containing a plurality of fluorine atoms with respect to the trifluoromethanesulfonic acid ion and / or the central atom is not particularly limited in the electrolytic solution. 1-30% by weight is preferred. 1-15% by weight is more preferred.
- Trifluoromethanesulfonic acid ion is a compound represented by the chemical formula CFSO-.
- An anion containing a plurality of fluorine atoms with respect to the central atom has a structure in which a plurality of fluorine atoms are bonded to a central atom such as boron, phosphorus, and arsenic.
- the anion containing a plurality of fluorine atoms with respect to the central atom is not particularly limited.
- Anions containing a plurality of nitrogen atoms can be used with one type of anion or with multiple types of anions simultaneously.Furthermore, fluorine can be used for trifluoromethanesulfonic acid ion and multiple types of central atoms. An anion containing a plurality of atoms may be used at the same time.
- the electrolytic solution used in the electrolytic polymerization method contains a conductive solution in a solution of the organic compound solvent and the trifluoromethanesulfonic acid ion and an anion containing a plurality of fluorine atoms with respect to Z or a central atom. It contains a polymer monomer and may further contain other known additives such as polyethylene glycol and polyacrylamide.
- the electrolyte may contain a dopant other than the above.
- the conductive polymer used in the actuator of the present invention is a conductive polymer containing polypyrrole obtained by a method for producing polypyrrole using an electrolytic polymerization method, and the production method is used in an electrolytic polymerization method. It is preferable that the electrolytic solution includes pyrrole and / or a pyrrole derivative as a monomer component, the electrolytic solution includes an aromatic ester as a solvent, and the electrolytic solution includes a polypyrrole containing perchlorate ion.
- This polypyrrole film can expand and contract with a maximum expansion ratio of 10% or more per oxidation-reduction as the maximum expansion ratio due to electrolytic expansion and contraction, and has a tensile strength of 60 MPa or more.
- the above-mentioned trifluoromethanesulfonic acid ion and / or central atom is contained in the electrolytic solution.
- the chemical formula (1) In place of an anion containing multiple fluorine atoms, the chemical formula (1)
- the perfluoroalkylsulfonylimide ion has a sulfonyl group bonded to a nitrogen atom at the center of an anion, and further has two perfluoroalkyl groups as substituents.
- This perfluoroalkylsulfonyl is represented by C FSO, and other perfluoroalkylsulfonyl groups are represented by C FSO.
- n and m are arbitrary integers of 1 or more, respectively, and n and m may be the same integer, or n and m may be different integers.
- trifluoromethyl group, pentafluoroethyl group, heptafluoropropyl group, nonafluorobutyl group, panda Examples include a cafluoropentyl group, a hexyl group having a tridecafluoro mouth, a heptyl group having a pentadecafluoro mouth, and a heptadecafluorooctyl group.
- perfluoroalkylsulfonylimide salt examples include bistrifluoromethylsulfonylimide salt, bis (pentafluoroethylsulfoninole) imide salt, and bis (heptadecafluorooctylsulfonyl) imide Salts can be used.
- the electrolytic polymerization method a known electrolytic polymerization method can be used as the electrolytic polymerization of the conductive polymer monomer, and any of a constant potential method, a constant current method, and an electric sweep method can be used.
- S power For example, in the electropolymerization, the current density is 0.0120 mAZcm 2 , the reaction temperature is ⁇ 70 80 ° C., preferably the current density is 0.1-2 mA / cm 2 , and the reaction temperature is ⁇ 20 40 ° C. It can be carried out.
- the monomer of the conductive polymer contained in the electrolytic solution used in the electrolytic polymerization method is not particularly limited as long as it is a compound which is polymerized by oxidation by electrolytic polymerization and exhibits conductivity.
- 5-membered heterocyclic conjugates such as pyrrole, thiophene and isothianaphthene and derivatives thereof such as alkyl groups and oxyalkyl groups.
- a conductive five-membered cyclic compound such as pyrrole and thiophene and a derivative thereof are preferred, and particularly a conductive polymer containing pyrrole and / or a pyrrole derivative is easy to produce, and a conductive polymer is preferred. It is preferable because it is stable. Further, two or more of the above monomers can be used in combination.
- the laminate obtained by forming the conductive polymer on the metal layer in the conductive polymer forming step of the production method of the present invention is separated from the substrate after the conductive polymer forming step.
- the laminate may be separated from the substrate by the interface between the separation layer and the metal layer, or may be separated from the substrate by destruction of the separation layer. It may be separated.
- the method for separating the laminate from the substrate is not particularly limited, and can be performed by a known method such as a method of mechanically peeling by immersing in acetone, alcohol, water, or the like.
- the laminate separated from the base layer as described above can use the metal layer as an electrode layer.
- the laminate is immersed in an electrolytic solution, or a solid electrolyte is contacted with a conductive polymer layer contained in the laminate.
- the conductive polymer is expanded and contracted by applying a voltage to the metal layer by stacking the layers and providing a counter electrode in the electrolytic solution or the solid electrolyte.
- the laminate functions as an actuator device.
- a voltage may be applied to the metal layer as an auxiliary electrode or a main electrode.
- the separation layer prevents the metal layer from sticking to the substrate, and easily separates the laminate of the metal layer and the conductive polymer layer from the substrate. It is formed for the purpose of being able to do so. Therefore, it is theoretically sufficient for the separation layer to have a rough surface of the base material layer arranged at the molecular level.In this case, it may be difficult to determine whether the separation layer is formed. .
- a coating step of applying grease, a lubricating oil, or a water-soluble polymer to the base material is performed, and the grease, the lubricating oil, or the water-soluble polymer is applied by the coating step.
- the conductive polymer forming step of forming a conductive polymer layer on the metal layer by electrolytic polymerization is performed.
- This can be considered as a method for producing a conductive polymer in which a laminate of the conductive polymer layer and the metal layer is separated from the base material by force to obtain an actuator element having a metal layer on the conductive polymer layer.
- the coating step can be performed by the same method as the coating method in the above-described separation layer forming step.
- An actuator element of the present invention is an actuator element obtained by the above-described method of forming an actuator element.
- the metal layer formed on the conductive polymer layer of the actuator element has a shape following the rough surface of the separation layer and has a rough surface similar to the rough surface of the separation layer.
- the interface between the metal layer and the conductive polymer layer has irregularities. Since the actuator element thus obtained has irregularities at the interface between the metal layer and the conductive polymer layer, the interface breakdown between the metal layer and the conductive polymer layer does not occur even after a large electrolytic expansion and contraction. It is preferable because the durability is good. Further, even when the metal layer has no irregularities, the actuator element obtained by the above-described method can be easily obtained, and is an actuator element having an excellent expansion / contraction speed.
- the actuator element obtained by the production method of the present invention which is not coated with a resin or the like, can be used as an actuator capable of linear displacement in an electrolytic solution.
- a conductive polymer layer is used as an intermediate layer, and a solid electrolyte layer having an extensibility equal to or higher than or equal to the expansion / contraction ratio of the conductive polymer layer during electrolytic expansion / contraction is laminated. In such a case, it can be used as an actuator element that performs linear displacement.
- a solid polymer layer or a resin layer having an elasticity smaller than that of the conductive polymer layer during electrolytic expansion and contraction is laminated with the conductive polymer layer as an intermediate layer.
- the solid electrolyte layer or the resin layer does not expand and contract as compared with the conductive polymer layer, the solid electrolyte layer or the resin layer can be used as an actuator element that displaces bending.
- Actuator elements that generate linear displacement or bending displacement should be used as a drive unit that generates a linear drive force or a drive unit that generates a drive force for moving a track-type orbit consisting of an arc. Can be.
- the actuator element can be used as a pressing portion that operates linearly.
- the actuator element can be suitably used as a driving unit or a pressing unit described below; OA equipment, an antenna, a device for mounting a person such as a bed or a chair, a medical device, an engine, an optical device, a fixture, a side trimmer. , Vehicles, lifting equipment, food processing equipment, cleaning equipment, measuring equipment, inspection equipment, control equipment, machine tools, processing machines, electronic equipment, electronic microscopes, electric razors, electric toothbrushes, manipulators, masts, play equipment, amusement equipment In driving simulation devices, vehicle occupant holding devices, and aircraft extension devices, a driving force for moving on a track-type orbit consisting of a driving unit or an arc part that generates linear driving force is generated.
- a driving unit that performs a linear operation or a pressing unit that performs a linear operation or a curved operation The actuator element is, for example, a track-type drive unit or an arc-shaped unit that generates a linear drive force in valves, brakes, and lock devices used in general machines including the above-described devices such as OA devices and measurement devices. It can be used as a driving unit that generates a driving force for moving the orbit, or as a pressing unit that operates linearly.
- the driving unit of the positioning device In addition to the above-described devices, devices, machines, and the like, in general, in the mechanical devices, the driving unit of the positioning device, the driving unit of the attitude control device, the driving unit of the lifting device, It should be suitably used as a driving unit of a feeding device, a driving unit of a moving device, a driving unit of an adjusting device for adjusting the amount or direction, a driving unit of an adjusting device such as a shaft, a driving unit of a guidance device, and a pressing unit of a pressing device.
- Power S can.
- the actuator element can be suitably used as a drive unit in a joint device, such as a joint unit that can be directly driven, such as a joint intermediate member, or a drive unit that applies rotational motion to a joint.
- the actuator element is, for example, a drive unit for an ink jet unit in an ink jet printer such as a CAD printer, a drive unit for changing the optical axis direction of the light beam of the printer, and a disk drive device such as an external storage device. It can be suitably used as a head drive unit of the above, and a drive unit of a paper pressing / contact force adjusting unit in a paper feeding device of an image forming apparatus including a printer, a copying machine and a facsimile.
- the actuator element includes, for example, a driving unit of a driving mechanism that moves and installs a measuring unit and a feeding unit that moves a high-frequency feeding unit such as a frequency shared antenna for radio astronomy to a second focal point, and It can be suitably used for a mast such as a vehicle-mounted pneumatically-operated telescopic mast (telescopic coving mast) or a drive unit of a lift mechanism in an antenna.
- a driving unit of a driving mechanism that moves and installs a measuring unit and a feeding unit that moves a high-frequency feeding unit such as a frequency shared antenna for radio astronomy to a second focal point
- a mast such as a vehicle-mounted pneumatically-operated telescopic mast (telescopic coving mast) or a drive unit of a lift mechanism in an antenna.
- the actuator element can be suitably used, for example, in the following driving units: a driving unit of a massage unit of a chair-shaped massage machine, a driving unit of a nursing or medical bed, and a posture control of an electric reclining chair.
- the backrest of the reclining chair used for the device, the massage machine, the easy chair, etc.
- the drive for the expansion / contraction pad that allows the ottoman to move up and down, and the backrest and redrest in chairs, nursing beds, etc.
- the actuator element can be suitably used, for example, in the following driving units; a driving unit of an examination device, a driving unit of a pressure measuring device for blood pressure and the like used in an extracorporeal blood treatment device, a catheter, Means for relatively expanding and contracting drive units such as endoscope devices and forceps, drive units for cataract surgery devices using ultrasonic waves, drive units for exercise devices such as jaw exercise devices, and hoist chassis for the disabled And a drive unit for raising and lowering, moving, and controlling the posture of the nursing bed.
- the actuator element is provided, for example, from a vibration generating unit such as an engine or the like such as a frame.
- the drive unit of the vibration isolator that attenuates the vibration transmitted to the power receiving unit, the drive unit of the valve train for intake and exhaust valves of the internal combustion engine, the drive unit of the engine fuel control device, and the engine of the engine such as diesel engine It can be suitably used as a drive unit of a fuel supply device.
- the actuator element can be suitably used, for example, in the following driving units: a driving unit of a calibration device of an imaging device with a camera shake correction function; a driving unit of a lens driving mechanism such as a home video camera lens; A drive unit for a mechanism that drives a moving lens group of an optical device such as a camera or a video camera, a drive unit for an autofocus unit of a camera, a drive unit for a lens barrel used in an imaging device such as a camera or a video camera, and an optical telescope.
- driving units a driving unit of a calibration device of an imaging device with a camera shake correction function
- a driving unit of a lens driving mechanism such as a home video camera lens
- a drive unit for a mechanism that drives a moving lens group of an optical device such as a camera or a video camera, a drive unit for an autofocus unit of a camera, a drive unit for a lens barrel used in an imaging device such as a camera or a video camera, and an optical telescope.
- a drive unit for an auto guider that captures light from the outside a lens drive mechanism or a drive unit for a lens barrel of an optical device that has two optical systems such as a stereoscopic vision camera and binoculars, and a fiber used for optical communication, optical information processing, optical measurement, etc.
- Driving unit or pressing unit that applies a compressive force to the wavelength conversion fiber of the wavelength tunable filter, the driving unit of the optical axis alignment device, and the drive of the shutter mechanism of the camera.
- the actuator element can be suitably used for, for example, a pressing portion of a fixture such as a caulking fixture of a hose fitting to a hose body.
- the actuator element can be suitably used, for example, in the following drive unit: a drive unit such as a coil spring of an automobile suspension, and a fuel filler rod for unlocking a fuel filler rod of a vehicle.
- the actuator element can be suitably used, for example, in the following driving units: a driving unit of a lifting device of a wheelchair with a seat plate lifting device, a driving unit of a lifting device for removing a step, and a driving unit of a lifting / transferring device.
- driving units Medical beds, electric beds, electric tables, electric chairs, nursing beds, lift tables, CT scanners, truck cabin tilting devices, lifters, etc.
- the actuator element can be suitably used, for example, as a drive unit of a discharge amount adjustment mechanism such as a food discharge nozzle device of a food processing device.
- the actuator element is, for example, a drive for raising and lowering a truck or a cleaning unit of the cleaning device. It can be suitably used for a part.
- the actuator element can be suitably used, for example, in the following driving units; a driving unit of a measuring unit of a three-dimensional measuring device for measuring the shape of a surface, a driving unit of a stage device, and detection of operating characteristics of a tire.
- Driving unit for the sensor part of the system, etc. evaluation of the impact response of the force sensor Driving unit for the device that gives the initial speed of the device, Driving unit for the piston driving device of the piston cylinder of the device including the permeation test device in the hole, condensing tracking type
- the drive unit for moving the generator in the elevation direction the drive unit for the sapphire laser oscillation wavelength switching mechanism of the measurement device including the gas concentration measurement device, the drive unit for the vibration device of the tuning mirror, the inspection device for printed circuit boards, the liquid crystal display, the PDP, etc.
- the inspection device of the flat panel display When the inspection device of the flat panel display needs to be aligned, it can be used for a table drive, an electron beam (E-beam) system or Driving unit for an adjustable aperture device used in a charged particle beam system such as a forcing ion beam (FIB) system, driving unit for a measuring object support device or detection unit in a flatness measuring instrument, Drives for precision positioning devices, such as semiconductor exposure equipment, semiconductor inspection equipment, and three-dimensional shape measurement equipment, as well as assembly of fine devices.
- E-beam electron beam
- FIB forcing ion beam
- the actuator element can be suitably used for, for example, a driving unit of an electric shaver and a driving unit of an electric toothbrush.
- the actuator element can be suitably used, for example, in the following drive unit: a drive unit of a device for adjusting the depth of focus of a three-dimensional object imaging device or a readout optical system shared by CD and DVD; At least one of a drive unit of a variable mirror and a magnetic head such as an optical pickup that can easily form a desired curved surface by easily deforming the focal position by deforming the shape of the driven surface as an active curved surface using an actuator element.
- the circuit breaker Drive unit for opening / closing operation of circuit breaker).
- the actuator element can be suitably used, for example, in the following drive unit; a drive unit of a rubber composition press-molding vulcanizing apparatus, a single-row / single-layer or a predetermined Drives of parts aligning device for aligning to different postures, drive of compression molding device, drive of holding mechanism of welding device, drive of bag making and packaging machine, machining machines and other machining and injection molding machines Of a fluid application device such as a printing device, a coating device or a lacquer spray device, a driving device of a manufacturing device that manufactures camshafts, etc., and a lifting device of a covering material.
- a fluid application device such as a printing device, a coating device or a lacquer spray device, a driving device of a manufacturing device that manufactures camshafts, etc., and a lifting device of a covering material.
- a driving unit of a device a driving unit of a braking device for a pig iron frame in a loom, a driving unit of an opening device for forming an opening of a warp for weft passing in a loom, a driving unit of a peeling device for a protective sheet such as a semiconductor substrate, Shifter fork in torsion lace machine for manufacturing torsion lace for drive of threading device, drive of assembling device for CRT electron gun, decoration for clothing, tablecloth, seat cover, etc.
- Drive unit of the drive selection linear control unit drive unit of the horizontal movement mechanism of the annealing window drive unit, drive unit of the support arm of the glass melting furnace foreground, and the rack of the exposure apparatus such as the method of forming the fluorescent screen of the color picture tube.
- a drive unit for moving back and forth a drive unit for the torch arm of the ball bonding machine, a drive unit for the bonding head in the X and Y directions, and mounting and probes for chip components.
- Driving unit for component mounting process and measurement / inspection process in measurement, etc. lifting / lowering driving unit of cleaning tool support of substrate cleaning device, driving unit for moving detection head which scans glass substrate, exposure for transferring pattern onto substrate Driving unit for device positioning device, driving unit for fine positioning device in sub-micron order in fields such as precision machining, driving unit for positioning device for measuring device of chemical mechanical polishing tool, conductive circuit element and liquid crystal display element Exposure apparatus used when manufacturing a circuit device such as a lithographic apparatus, a driving unit for positioning a stage device suitable for a traveling exposure apparatus, a driving unit for conveying or positioning a work or the like, Drive unit for positioning and transport of reticle stage, wafer stage, etc., drive unit for precision positioning stage device in chamber , Kemikanore Drive units for positioning devices for workpieces or semiconductor wafers in mechanical polishing systems, drive units for semiconductor stepper devices, drive units for devices that accurately position in the introduction station of processing machines, NC machines, machining centers, etc.
- the actuator element can be suitably used, for example, as a drive unit of a positioning device of a probe of a scanning probe microscope such as an electron microscope, and a drive unit of a sample fine movement device for an electron microscope. .
- the actuator element can be suitably used in, for example, the following drive units; represented by an automatic welding robot, a robot including an industrial robot or a nursing care robot, or a wrist of a robot arm in a manipulator, or the like.
- a drive unit for a micromanipulator for manipulating a small object to an arbitrary state in the assembly work of parts a drive unit for an artificial limb such as an electric prosthesis having a plurality of fingers that can be opened and closed, and a handling robot
- a drive unit, a drive unit for an assistive device, and a drive unit for a power suit A drive unit, a drive unit for an assistive device, and a drive unit for a power suit.
- the actuator element can be suitably used, for example, as a pressing portion of a device for pressing an upper rotary blade or a lower rotary blade of a side trimmer.
- the actuator element is used, for example, as a drive unit for a character or the like in a game machine such as a pachinko machine, a drive unit for an amusement device such as a doll or a pet robot, and a drive unit for a simulation device for a boarding simulation device. It can be suitably used.
- the actuator element can be suitably used, for example, in the following driving section; for example, it can be used in a driving section of a valve used in a general machine including the above-mentioned devices, and for example, reliquefaction of evaporated helium gas.
- Drive for bellows-type pressure-sensitive control valve drive for opening device for driving pig iron frame, drive for vacuum gate valve, source for hydraulic system
- Driving part of solenoid operated control valve driving part of valve incorporating motion transmission device using pivot lever, driving part of valve of movable nozzle of rocket, driving part of suck back valve, and driving of pressure regulating valve part Department.
- the actuator element can be suitably used, for example, for the following pressing portions; for example, it can be used as a pressing portion of a brake used in a general machine including the above-described devices, for example, for emergency, security, A pressing part of a braking device suitable for use as a brake for parking or an elevator, and a pressing part of a brake structure or a brake system.
- the actuator element can be used, for example, as a pressing portion of a locking device used in a general machine including the above-mentioned devices and the like, for example, a pressing portion of a mechanical locking device, a pressing portion of a steering lock device for a vehicle. And a pressing portion of a power transmission device having a load limiting mechanism and a coupling release mechanism.
- a commercially available sputtering apparatus can be used to obtain a gold layer having a thickness of 0.5 xm under a conventional condition.
- a salt (supporting electrolyte) having tetrafluoroborate ion as a constituent component as a dopant ion was dissolved in methyl benzoate (solvent) by a known stirring method, and the concentration of pyrrole was 0.25 mol / l. And an electrolyte solution containing 0.5 mol / l of a supporting electrolyte was prepared.
- a substrate having a metal layer formed on a separation layer is immersed in this electrolytic solution, the metal layer is used as a working electrode, a Pt electrode is used as a counter electrode, and a polymerization current density of 0.2 (mA / Electropolymerization was performed by a constant current method of 6 cm 2 for a polymerization time of 6 hours to form a polypropylene layer on the metal layer.
- Example 2 was repeated in the same manner as in Example 1 except that a polyethylene plate (trade name “polyethylene plate”, manufactured by Az-One Co., Ltd.) was used instead of the tetrafluoroethylene resin plate. Thus, an actuator element was obtained.
- a polyethylene plate trade name “polyethylene plate”, manufactured by Az-One Co., Ltd.
- Example 3 was repeated in the same manner as in Example 1 except that a silicone rubber rubber plate (trade name: “Silicon Rubber Rubber”, manufactured by Togawa Rubber Co., Ltd.) was used instead of the tetrafluoroethylene resin plate. Was obtained.
- a silicone rubber rubber plate (trade name: “Silicon Rubber Rubber”, manufactured by Togawa Rubber Co., Ltd.) was used instead of the tetrafluoroethylene resin plate.
- Example 4 instead of applying with a general known method of applying with a greased cloth, apply a sponge with a polyvinyl alcohol aqueous solution (trade name “ARAVIC YAMATO”, manufactured by Yamato Co., Ltd.) An actuator element of Example 4 was obtained in the same manner as Example 1 except that was formed.
- Example 5 was obtained in the same manner as in Example 1 except that the separation layer was formed by applying the same.
- Example 6 instead of applying a known method of applying with a greased cloth, apply a lubricant (trade name "Silicon Oil Spray", Shin-Etsu Silicon Co., Ltd.) to the sponge.
- a lubricant trade name "Silicon Oil Spray", Shin-Etsu Silicon Co., Ltd.
- An actuator element of Example 6 was obtained in the same manner as in Example 1 except that the separation layer was formed by applying a liquid.
- a polypyrrole layer was formed thereon.
- the following expansion evaluation and speed performance evaluation were performed on the actuator elements of Example 16 and Comparative Example. The results are shown in Table 1.
- the thickness in Table 1 is an average value at several points in a known measurement in which the polypyrrole layer of each actuator element is measured with a film represented by a micrometer, a thickness gauge, or the like interposed therebetween. Therefore, the depth of the concave / convex portions due to the substrate / separation layer is not considered in the thickness.
- the working electrolyte was maintained in an electrolytic solution in which sodium hexafluorophosphate was dissolved in water so as to be 1 mol / 1, and the expansion / contraction ratio per oxidation-reduction cycle was measured by the following method. .
- Each actuator element was formed into a strip having a length of 15 mm and a width of 2 mm, a metal layer of the actuator element was used as an operating electrode, a platinum plate was used as a counter electrode, and a lead was connected to an end of each electrode. While holding in the electrolyte, connect to the power supply via the lead, apply the potential (10.9-1 + 0.7V vs AgZAg + ) for 1 cycle and measure the displacement (displaced length) did. By dividing the difference in displacement obtained by extending and contracting by applying the working electrode force ⁇ cycle (one oxidation-reduction cycle) by the original length of the working electrode, expansion and contraction per oxidation-reduction cycle The rate was determined.
- Each actuator element is formed into a strip having a length of 15 mm and a width of 2 mm, the metal layer of the actuator element is used as an operating electrode, a platinum plate is used as a counter electrode, and a lead is connected to an end of each electrode. Connected to the power supply via the lead, and apply the potential (0.9- + 0.7V vs AgZAg + ) for 1 cycle.
- the actuator element of Example 1 has a laminated structure in which the metal layer is formed on the conductive polymer layer without damaging the metal layer because the separation layer, which is a grease layer, is formed on the base material. The body and the substrate could be separated. Further, since the metal layer can function as an auxiliary electrode even when the size of the actuator element of Example 1 is large, a sufficient voltage can be applied to the tip portion. Showed excellent stretching speed. On the other hand, in the actuator element of the comparative example, the expansion and contraction rate per specific time is 4.0% per 20 seconds, 1.5% per 2 seconds, and the expansion and contraction rate per specific time. Was less than half of Example 1.
- the expansion and contraction rate in one oxidation-reduction cycle of the actuator element of Example 1 was almost the same as that of the comparative example. That is, since the metal layer has irregularities caused by the irregularities on the roughened surface of the base material, the auxiliary electrode follows the expansion and contraction of the conductive polymer layer without generating cracks. As fulfilled enough functions.
- the expansion and contraction ratio in one oxidation-reduction cycle showed substantially the same value as the actuator element of the comparative example, as in the actuator element of Example 1.
- the expansion and contraction rate per specific time was larger than that of the comparative example, and especially, the expansion and contraction rate per 2 seconds was 4 times or more, and the improvement of the expansion and contraction speed in a short time was remarkable.
- the actuator element obtained by this manufacturing method has a length that is long enough that the metal layer provided in the actuator element does not break even if it expands and contracts by 8% or more due to electrolytic expansion and contraction. Can expand and contract greatly, and the expansion and contraction speed is fast. Therefore, it can be suitably used for a positioning device, a posture control device, a lifting device, a transport device, a moving device, an adjusting device, an adjusting device, a guiding device, or a driving portion of a joint device, or a pressing portion of a pressing device.
- the metal layer of the actuator element has a laminated structure, and the conductive polymer layer and the layer containing a metal other than the noble metal are in contact with each other, whereby an actuator element having high mechanical strength can be obtained. it can.
- This actuator element has high mechanical strength and is therefore highly durable, and is suitable for positioning devices, attitude control devices, elevating devices, transport devices, moving devices, adjusting devices, adjusting devices, guiding devices, or joint devices. It can be suitably used as a driving unit or a pressing unit of a pressing device.
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Abstract
Description
Claims
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JP2003200524 | 2003-07-23 | ||
JP2003-200524 | 2003-07-23 |
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WO2005008875A1 true WO2005008875A1 (ja) | 2005-01-27 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0932718A (ja) * | 1995-07-19 | 1997-02-04 | Terumo Corp | アクチュエータ素子 |
JP2003152234A (ja) * | 2001-11-15 | 2003-05-23 | Sony Corp | アクチュエータ及びその製造方法 |
JP2003170400A (ja) * | 2001-12-04 | 2003-06-17 | National Institute Of Advanced Industrial & Technology | アクチュエータ素子の製造方法 |
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2004
- 2004-07-23 WO PCT/JP2004/010480 patent/WO2005008875A1/ja not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0932718A (ja) * | 1995-07-19 | 1997-02-04 | Terumo Corp | アクチュエータ素子 |
JP2003152234A (ja) * | 2001-11-15 | 2003-05-23 | Sony Corp | アクチュエータ及びその製造方法 |
JP2003170400A (ja) * | 2001-12-04 | 2003-06-17 | National Institute Of Advanced Industrial & Technology | アクチュエータ素子の製造方法 |
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