WO2005026242A1 - 高解像度用ドライフィルムレジスト用ポリエステルフィルム - Google Patents
高解像度用ドライフィルムレジスト用ポリエステルフィルム Download PDFInfo
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- WO2005026242A1 WO2005026242A1 PCT/JP2004/011444 JP2004011444W WO2005026242A1 WO 2005026242 A1 WO2005026242 A1 WO 2005026242A1 JP 2004011444 W JP2004011444 W JP 2004011444W WO 2005026242 A1 WO2005026242 A1 WO 2005026242A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Definitions
- the present invention relates to a film for a dry film resist (hereinafter, referred to as DFR) suitable for manufacturing a package such as a printed wiring board, a lead frame, a BGA, and a CSP.
- DFR dry film resist
- the present invention relates to a DFR film suitable for manufacturing a substrate requiring a fine pattern. More specifically, a film with high transparency and extremely flat surface roughness is provided with a coating layer with antistatic properties and slipperiness to prevent disasters due to static electricity discharge on the film surface and to prevent surface damage of the base film. Prevents dust and dirt from being attracted to and adheres to the surface, prevents pattern irregularities due to foreign matter, stabilizes quality, and improves workability when winding a flat film into a roll. Processing related to slipperiness, etc. It relates to a film for DFR that has excellent suitability.
- DFR has been widely used in the manufacture of printed wiring circuit boards and the like.
- DFR usually consists of a support film Z photoresist layer / protective film.
- the supporting film a polyester film excellent in mechanical properties, optical properties, chemical resistance, heat resistance, dimensional stability, flatness and the like is mainly used.
- the photoresist layer is a layer made of a photosensitive resin, and a polyethylene film, a polypropylene film or a polyester film is used as a protective film.
- the protective film is peeled off, and the exposed photoresist layer is adhered to the conductive substrate adhered to the base.
- the conductive substrate is generally a copper plate.
- a glass plate or a film (referred to as a photomask) on which a circuit is printed is brought into close contact with the support film side, and light is emitted from the photomask side.
- a photomask Generally, ultraviolet light is used as the irradiation light.
- Light passes through the transparent part of the circuit image printed on the glass plate, and the photosensitive resin in the photoresist layer reacts only at the part where such exposure has been performed.
- the glass plate and the support layer are removed, and the unexposed portions of the photoresist layer are removed using a suitable solvent or the like.
- etching is performed using an acid or the like
- the photoresist layer is removed, and the exposed conductive base portion is removed. Is done.
- a conductive substrate layer is formed as a circuit on the substrate.
- polyester film used as the support needs to have a flat surface and a high transparency and a low film thickness.
- a polyester film having a flat surface and high transparency and a low film haze has poor handleability in a finolem manufacturing process, a winding process, and the like, and is easily charged.
- a DFR is manufactured by forming a photoresist layer
- the use of such a charged film roll attracts minute foreign substances such as dust and dirt by the action of static electricity. Adhesion occurs, especially when unwound from a roll, causing intense electrification due to peeling, further adhering foreign matter, and the danger of ignition due to spark discharge to the organic solvent paint and the risk of charging.
- the resist adhesion at a portion becomes strong, and there is an obstacle to peeling of the support film after exposure.
- particles are usually contained in a polyester film so that a fine surface is formed.
- a method of forming a projection is used.
- the scattering of ultraviolet rays by the projections and dents on the resist surface may cause a decrease in resolution or defects in the formation of ultra-fine wires, or the film may become transparent. Or to lower their sexuality. Because of these conflicting properties, no method has yet been found for obtaining a high-resolution DFR film that simultaneously satisfies transparency, chargeability, slipperiness, and flatness.
- Patent Document 1 JP-A-7-333853
- Patent Document 2 Japanese Patent Application Laid-Open No. 2000-221688
- Patent Document 3 JP 2001-117237 A
- the present invention has been made in view of the above-mentioned circumstances, and the problem to be solved is to prevent disasters due to static electricity discharged on the film surface and to attract and adhere dirt and dust to the surface of the base film.
- the present inventor has made various studies to achieve the above object, and as a result, found that a film having a specific configuration can easily solve the above-mentioned problems. Reached.
- the gist of the present invention is a film having a slippery and antistatic coating layer on at least one surface, wherein the average surface roughness (Ra) of the coating layer surface is 2 nm or more and 1 Onm And high-resolution dry film resist, characterized in that the maximum surface roughness (Rt) is 20 nm or more and less than 200 nm.
- a coating layer having antistatic properties and lubricity is provided on a film having high transparency and extremely flat surface roughness. This prevents disasters caused by static electricity discharged on the film surface, prevents dust and dirt from being attracted to and adheres to the base film surface, prevents pattern irregularities due to foreign matter adhesion, and stabilizes quality. Its industrial value is extremely high because it is suitable for workability and smoothness when winding a flat film into a roll.
- the polyester as referred to in the present invention means, as a dicarboxylic acid component constituting the polyester, terertalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, hexahydroterephthalic acid, 4.4′-diphenyldicarboxylic acid, adipic acid, Sebacic acid, dodecanedicarboxylic acid and the like can be exemplified.
- terephthalic acid, isophthalic acid, and 2,6-naphthalenedicarboxylic acid are preferred in view of the mechanical properties of the film.
- the glycol components constituting the polyester include ethylene glycol, diethylene glycol, propylene glycol, 1,3-propanediol, 1,4-butanediol, neopentyl glycol, 1,6-hexanediol, and cyclohexane.
- Sandimethanol, polyethylene glycol and the like can be exemplified.
- ethylene glycol is preferred from the viewpoint of the rigidity of the film.
- the above-mentioned polyester may contain a trifunctional or higher polyvalent carboxylic acid component or a polyol component as the third component, which may be a copolyester obtained by copolymerizing the above-mentioned dicarboxylic acid component or glycol component.
- the polyester obtained may be a small amount of copolymerized in a range where the obtained polyester is substantially linear (for example, 5 mol% or less).
- polyethylene terephthalate or polyethylene-1,6-naphthalate is particularly preferred.
- a strong polyester can be made by a conventional method. If the intrinsic viscosity of the polyester (35 ° C in phenolic orthochloride at 35 ° C) is 0.45 or more, mechanical properties such as tearing and rigidity of the film are large. This is preferable because the characteristics are improved.
- a polyester copolymer such as terephthalic acid and isophthalic acid, a stabilizer, an antioxidant, and the like can be contained in the polyester as required.
- the polyester film used in the present invention can be manufactured by a known method. For example, a biaxially stretched polyester film is obtained by drying a polyester resin, melting it with an extruder, extruding it from a die (for example, T-die) onto a rotary cooling drum, quenching it to produce an unstretched film, The unstretched film can be stretched in the machine direction and the transverse direction and, if necessary, heat-set to produce the unstretched film.
- the thickness of the polyester film is in the range of 10-25 m, preferably in the range of 10-18 ⁇ m.
- the film of the present invention has a slippery and antistatic coating layer on at least one surface of the film substrate. Even if the coating layer is on both surfaces, only the surface in contact with the photoresist layer has Alternatively, only the opposite surface may be used, but the resist surface which is in contact with the protective film may be used. It is preferable to apply it on the opposite side.
- the protective film comes into contact with the surface of the support film opposite to the resist. To prevent exfoliation charging that occurs when the roll is rewound, the surface in contact with the protective film must be easily exposed. The effect is more remarkable when it has lubricity and antistatic properties.
- the surface roughness Ra of the coating layer surface of the film of the present invention is in the range of 2 nm or more and less than 10 nm, preferably in the range of 2-7 nm.
- the surface roughness Ra is greater than lOnm, the transparency of the polyester film is reduced, the light scattering on the film surface is increased, the exposure amount of ultraviolet light is reduced, and the resolution is deteriorated.
- the maximum surface roughness Rt of the coating layer surface is in a range of 20 nm or more and less than 200 nm, preferably in a range of 20-150 nm.
- the maximum surface roughness is 200 nm or more, the dent generated on the resist surface becomes large, and if the dent is present at the line edge when removing the resist by acid edging, the degree of edging is affected and the edging is affected. A problem that a part is missing occurs.
- the surface roughness Ra is less than 2 nm and the maximum surface roughness Rt is less than 20 nm, scratches are observed on the film surface in the proper process, especially in the film forming process, and the scratches are applied on the surface. It becomes a defect on the resist surface, and the effect on the resolution becomes large in a high resolution DFR with a thin resist thickness.
- the surface of the film is made to have an appropriate roughness together with the lubricant in the coating layer, thereby synergistically reducing the friction coefficient.
- the surface of the film is made to have an appropriate roughness together with the lubricant in the coating layer, thereby synergistically reducing the friction coefficient.
- a method of incorporating fine particles into a film is generally used.
- the content particles that are strong include inorganic particles such as calcium carbonate, calcium phosphate, silica, kaolin, talc, titanium dioxide, alumina, barium sulfate, calcium fluoride, lithium fluoride, zeolite, molybdenum sulfide, and the like.
- examples include molecular particles, organic particles such as calcium oxalate, and precipitated particles formed during polyester polymerization.
- alumina particles, crosslinked polymer particles or silica particles are preferably used in order to obtain particularly high transparency and scratch resistance.
- the particles contained in the surface layer may be of one type or two or more types may be simultaneously mixed. It is possible to use the same kind of particles having different particle sizes at the same time.
- the average particle size of such particles is usually in the range of 0.01 to 1.0 / 1 111, preferably 0.02 to 0.6 ⁇ 02 ⁇ . If the average particle size exceeds 1.0 xm, unnecessarily large protrusions will be formed on the film surface, causing insufficient adhesion to the surface of the circuit printed glass and causing defects.
- the particles are liable to fall off the film surface, causing deterioration of abrasion resistance.
- the average particle size is less than 0.01 xm, the film may be insufficiently slippery due to insufficient projection formation, and scratches may be observed in the film forming process and the resist coating process. is there.
- the haze of the polyester film for a dry film resist of the present invention is preferably 1% or less, more preferably 0.6% or less, in terms of the film thickness of 1.
- the light transmittance at 350 nm is preferably 80% or more, more preferably 83. / 0 or more. If the haze exceeds 1% and the light transmittance at a wavelength of 350 nm is less than 80%, the exposure of the ultraviolet rays will be insufficient for high-resolution DFR, resulting in circuit defects or reduced resolution. There is a direction when it comes to.
- the term “antistatic property” means, for example, that the specific resistance of the surface is 1.0 ⁇ 10 13 ⁇ / port or less, and preferably 1.0 ⁇ 10 7 — 1. ⁇ ⁇ ⁇ ⁇ ⁇ / mouth range is good.
- the film is a flat film having a small surface roughness, and if the antistatic property is not provided, the charge becomes intense, especially the peeling charge.
- the resist solvent due to spark discharge caused by this.
- dust and dust adhere due to charging in the polyester film forming process and the resist coating process causing resist coating defects and foreign matter defects after UV exposure.
- even a small foreign substance may cause a circuit defect.
- Components constituting the layer having antistatic properties can be appropriately selected from polymers having any antistatic properties such as antistatic resins and conductive resins.
- the antistatic agent include a quaternary ammonium salt, a pyridinium salt, a cationic antistatic agent having a cationic functional group such as a primary tertiary amino group, a sulfonate group, and a sulfate ester group.
- Anionic antistatic agents having anionic functional groups such as phosphate ester bases and phosphonate groups
- amphoteric antistatic agents such as amino acids and aminosulfonates, polyols, polyglycerins, polyethylene glycols, etc.
- polymer-type antistatic agents such as an antistatic agent having a nonionic functional group can be mentioned, and a monomer or an oligomer having a tertiary amino group / quaternary ammonium group and capable of being polymerized by ionizing radiation.
- a monomer or an oligomer having a tertiary amino group / quaternary ammonium group and capable of being polymerized by ionizing radiation for example, N, N-dialkylaminoalkyl (meth) atalylate monomers, polymerizable antistatic agents such as quaternary compounds thereof, and conductive polymers such as polyaniline, polypyrrole, and polythiophene can also be used. .
- a polymer type antistatic agent having a quaternary ammonium salt type cationic functional group is preferable.
- the coating layer it is preferable to mix titanium and fine particles in the coating layer in order to impart lubricity simultaneously with the antistatic agent.
- the wax include natural waxes such as vegetable waxes, animal waxes, mineral waxes, and petroleum waxes, and synthetic waxes such as synthetic hydrocarbons, modified waxes, and hydrogenated waxes.
- polyolefin compounds are preferred. Specifically, it has, as a basic skeleton, a compound such as a polyolefin-based compound composed of a polymer or a copolymer of an unsaturated hydrocarbon such as ethylene, propylene, 1-butene, 4-methylen-11-pentene or the like.
- the compound is used by dissolving or dispersing it.
- the fine particles to be used in combination it is preferable to mix inorganic particles or organic particles having an average particle diameter of 0.01 to 0.2 ⁇ m. If the average particle size is more than twice the thickness of the coating layer after drying, the particles may fall off from the coating layer. Conversely, if it is less than 0.01 xm, there is a tendency that the effects of facilitation and improvement of winding are not seen.
- examples of such fine particles include inorganic particles such as calcium carbonate, calcium phosphate, silica, kaolin, talc, titanium dioxide, alumina, barium sulfate, calcium fluoride, lithium fluoride, zeolite, -n-gogi sulfide, and crosslinked polymers.
- thermoplastic resins such as polyesters, polyurethanes, acrylic resins, polybutyl resins, and polyolefins and / or thermoplastic resins are used as binders in order to improve the adhesion to the polyester film.
- a thermosetting resin such as a curable acrylic resin, a melamine resin, or an epoxy resin may be contained.
- a coating layer formed by using a combination of a force, a wax and fine particles is applied on the polyester film surface of the substrate having the surface roughness of the present invention, and the friction coefficient of the film is set in the range of 0.2 to 0.6. Preferably. By setting the friction coefficient in this range, it is possible to prevent deviation of the end face of the polyester film when the roll is wound into a roll, and to improve the winding property when winding the DFR on a roll. If the friction coefficient is less than 0.2, winding deviation will occur, and if it exceeds 0.6, a sea air pool will be generated, which is not preferable.
- the amount ratio of the antistatic agent, wax, fine particles, binder, and cross-linking agent constituting the above-mentioned layer is not particularly defined because the optimum value differs depending on the selected compound. It is preferable that the amount ratio satisfies the characteristics.
- the content of the antistatic agent in the coating layer is usually 5% by weight or more, preferably 10 to 90% by weight.
- the antistatic agent is a polymer of a compound having an ionic functional group, It is preferably in the range of 15-90% by weight, more preferably 20-90% by weight. If the ratio of the antistatic agent is too small, it is difficult to achieve a sufficient surface specific resistance. Conversely, if the ratio of the antistatic agent is too large, film adhesion may be insufficient.
- the amount of the wax is 1% by weight or more, preferably 2 to 10% by weight. If the ratio of the wax is too small, it is difficult to achieve a sufficient lubricating effect. It is not preferable because the adhesion to the substrate is impaired.
- the ratio of the fine particles used in combination is 1% by weight or more, preferably 210% by weight. If the amount is less than 1% by weight, the effect of improving lubrication and winding will not be obtained. If the amount is more than 10% by weight, light transmission will be impeded due to aggregation of particles, which may cause circuit defects.
- the slippery and antistatic layer constituting the film of the present invention comprises an aqueous coating solution (water (A water-soluble resin or a water-dispersible resin) is preferably applied, but it is also possible to apply an aqueous coating solution containing a small amount of an organic solvent.
- the organic solvent include alcohols such as ethanol, isopropanol, ethylene glycol, and glycerin, etinoleserosonolev, t-butinoreserosonolev, propylene glycol monomethylinoether, and ethers such as tetrahydrofuran.
- ketones such as acetone and methylethyl ketone, esters such as ethyl acetate, and amines such as dimethylethanolamine. These can be used alone or in combination of two or more. By appropriately selecting and including these organic solvents as needed in the aqueous coating liquid, the stability, coating properties or coating properties of the coating liquid can be assisted.
- the solid content concentration of the coating liquid used is not particularly limited, but is usually 30% by weight or less, 0.220% by weight, further 0.5 to 15% by weight, and particularly 110 to 10% by weight. A range of weight% is preferred.
- the solid content concentration of the coating liquid is reduced, problems are likely to occur in the uniformity of the coated surface, such as a tendency for coating repelling to occur.
- the solid content of the coating liquid exceeds 30% by weight, the viscosity of the coating liquid tends to increase, and thus the appearance of the coating may deteriorate.
- Examples of the method of applying the coating liquid to the base film include a reverse roll coater, a gravure coater, a rod coater, and an air as described in "Coating Method", published by Yuji Harazaki, Tsushoten, 1979, issued. Use a doctor coater or other coating equipment.
- the coating layer according to the present invention may be provided by in-line coating in which coating is performed during film formation, off-line coating in which coating is performed after forming a film, or force in-line coating which can be provided by other methods. preferable.
- In-line coating is a method in which coating is performed in the process of producing a polyester film, and specifically, any method from melt extrusion of polyester to biaxial stretching, heat setting, and winding up.
- This is a method of performing application in stages.
- an unstretched sheet in a substantially amorphous state obtained by melting and quenching, followed by stretching in the longitudinal direction (longitudinal direction) —a biaxially stretched finolem, or a biaxially stretched film before heat setting.
- the method of stretching the film in the transverse direction after applying to the uniaxially stretched film is excellent.
- the film formation and the drying of the coating layer can be performed at the same time.
- it is easy to apply a thin film because the film is stretched after the application, and the heat treatment performed after the application is at a high temperature that cannot be achieved by other methods.
- the thickness of the coating layer of the film of the present invention is preferably in the range of 0.02 ⁇ m or more and less than 0.1 ⁇ m. When the coating thickness is less than 0.1, the uniformity of the coating film is deteriorated, and the antistatic property varies. Conversely, if the thickness of the coating layer is 0: m or more, the productivity of the film may be reduced, or peeling may occur at the interface with the polyester film.
- the thickness of the coating layer is represented by the thickness after film stretching and drying.
- X Surface specific resistance value is 1 X 10 13 ⁇ or more
- Dynamic friction coefficient is more than 0.2 and less than 0.5
- Dynamic friction coefficient is 0.5 or more and less than 0.7
- the haze of the film was measured with an integrating sphere turbidimeter NDH-20D manufactured by Nippon Denshoku Industries Co., Ltd., and the value was normalized to the film thickness of 16 ⁇ m.
- the light transmittance at a wavelength of 350 nm was measured using a spectrophotometer MPC-3100 manufactured by Shimadzu Corporation.
- the interval between these two straight lines is measured in the direction of the longitudinal magnification of the cross-sectional curve, and The value expressed in micrometer units ( ⁇ m) was defined as the maximum height Rt of the extracted portion.
- the maximum height was obtained by calculating ten cross-sectional curves from the surface of the sample film, and expressing the average of the maximum heights of the extracted parts obtained from these cross-sectional curves.
- a photoresist film was prepared according to a conventional method. That is, a photoresist layer was provided on the surface opposite to the antistatic and lubricious coating surface, and a polyolefin film was laminated thereon as a protective layer.
- a printed circuit was fabricated using the obtained photoresist film. That is, the surface of the photoresist layer of the photoresist film from which the protective layer was peeled was brought into close contact with the copper plate provided on the glass fiber-containing epoxy resin plate. Next, a glass plate on which a circuit was printed was brought into close contact with the photoresist film, and ultraviolet light was exposed from the glass plate side.
- the photoresist film was peeled off, and a series of development operations such as washing and etching were performed to form a circuit.
- the circuit obtained by the effort was observed visually or using a microscope, and the following practical evaluation of the photoresist film was performed according to the quality.
- ⁇ Depression is observed, but does not hinder the grade that does not require high resolution.
- the film has moderate roughness and sufficient slipperiness, so that the winding characteristics are good.
- 'Antistatic agent (A1) polydiaryldimethylammonium chloride (average molecular weight: about 300 00)
- Particles (C1) Colloidal silica aqueous dispersion with an average particle size of 0.
- Aqueous resin (D1) Aqueous acrylic resin (manufactured by Nippon Carbide Industry Co., Ltd., Nikkisol Y-8106) B)
- Pellets of polyethylene terephthalate having an intrinsic viscosity of 0.65 dlZg are crystallized by hot air drying at 180 ° C, and then supplied to an extruder. It was melt-extruded from a T-die into a sheet at a temperature and cast on a mirror-cooled drum whose temperature was adjusted to 20 ° C using the electrostatic adhesion method, and quenched to obtain an unstretched film with a thickness of about 230 zm. . Next, the film was stretched 3.7 times in the longitudinal direction at 85 ° C to obtain a uniaxially stretched film.
- This film has a quaternary ammonium salt type cationic polymer antistatic agent: Al, polyethylene oxide wax: Bl, colloidal silica particles: Cl, acrylic resin: Dl, melamine compound: El 20/4/4/52/20 (weight ratio in terms of solid content), and diluted with ion exchange water to a solid content concentration of 3% by weight. Approximately 5 / im (wet thickness) was applied using a thermometer. Next, the film was stretched 3.9 times in the horizontal direction in the zone of 110-150 ° C and heat-treated at 230 ° C to obtain a 16 ⁇ m-thick biaxially stretched polyester film in which crystal orientation was completed.
- the coating film was dried by a heat treatment after the stretching process in the transverse direction to obtain a film provided with an antistatic and lubricious layer.
- Table 9 shows the film properties of the polyester film obtained by this method.
- a photoresist film was provided on the surface opposite to the coating layer, and after drying, a polyethylene film protective film was laminated on the resist surface to form a dry film resist (DFR). The characteristics of this DFR are shown in Table 10 below.
- a biaxially stretched polyester film was prepared in the same manner as in Example 1 except that the content of the crosslinked polymer particles in polyethylene terephthalate and the components constituting the antistatic and lubricious layer were changed to the compositions shown in Table 9 below. .
- Table 10 below shows the film properties and DFR properties of this film.
- Example 10 The same procedure as in Example 1 was repeated except that the content of the crosslinked polymer particles in the polyethylene terephthalate and the components constituting the antistatic and lubricious layer were changed to the compositions shown in Table 9 below.
- An axially stretched polyester film was prepared. Table 10 below shows the film properties and DFR properties of this film.
- a biaxially stretched polyester film was prepared in the same manner as in Example 1 except that the particles were not contained in polyethylene terephthalate.
- Table 10 shows the film properties and DFR properties of this film.
- Example 1 4 100 ⁇ ⁇ 0.4 86 ⁇ ⁇ ⁇ ⁇ ⁇ Example 2 5 120 ⁇ ⁇ 0.5 85 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ Example 3 3 80 ⁇ ⁇ 0.386 ⁇ ⁇ ⁇ ⁇ ⁇ Example 4 5 150 ⁇ ⁇ 0.6 84 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ Example 5 2 50 ⁇ ⁇ 0.3 86 ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ Comparative Example 1 42 750 ⁇ 4.5 77 ⁇ X ⁇ X ⁇ X Comparative Example 2 1 10 X ⁇ 0.2 86 XX ⁇ ⁇ X ⁇ Comparative Example 3 4 100 XX 0.5 86 ⁇ XX ⁇ X ⁇ Comparative Example 4 3 80 X ⁇ 0.4 85 ⁇ X ⁇ ⁇ ⁇ ⁇ Comparative Example 5 20 250 ⁇ X 8.6 78 ⁇ XXX XX ⁇ Comparative Example 6 4 100 ⁇ X 0.4
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CN2004800161224A CN1806000B (zh) | 2003-09-11 | 2004-08-09 | 高分辨率干膜光阻用聚酯薄膜 |
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PCT/JP2004/011444 WO2005026242A1 (ja) | 2003-09-11 | 2004-08-09 | 高解像度用ドライフィルムレジスト用ポリエステルフィルム |
Country Status (4)
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JP (1) | JP4471611B2 (ja) |
KR (1) | KR101064903B1 (ja) |
CN (1) | CN1806000B (ja) |
WO (1) | WO2005026242A1 (ja) |
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JP2009214360A (ja) * | 2008-03-09 | 2009-09-24 | Mitsubishi Plastics Inc | 光学用積層ポリエステルフィルム |
KR101268250B1 (ko) * | 2009-06-30 | 2013-05-30 | 코오롱인더스트리 주식회사 | 열수축성 폴리에스테르계 필름 |
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JP7290034B2 (ja) * | 2018-02-15 | 2023-06-13 | 三菱ケミカル株式会社 | ドライフィルムレジスト基材用ポリエステルフィルム |
JP7290033B2 (ja) * | 2018-02-15 | 2023-06-13 | 三菱ケミカル株式会社 | ドライフィルムレジスト基材用ポリエステルフィルム |
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WO2019160119A1 (ja) * | 2018-02-15 | 2019-08-22 | 三菱ケミカル株式会社 | ドライフィルムレジスト基材用ポリエステルフィルム |
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KR102589138B1 (ko) * | 2018-09-28 | 2023-10-12 | 코오롱인더스트리 주식회사 | 고투명 폴리에스테르 필름 |
JP6658927B2 (ja) * | 2019-01-22 | 2020-03-04 | 三菱ケミカル株式会社 | ドライフィルムレジスト用保護フィルムおよび感光性樹脂積層体 |
CN110372222B (zh) * | 2019-06-28 | 2022-07-22 | 华为技术有限公司 | 玻璃面板及其制备方法、包含该玻璃面板的显示屏和终端 |
JP7275064B2 (ja) * | 2020-03-31 | 2023-05-17 | 富士フイルム株式会社 | 樹脂パターンの製造方法、導電パターンの製造方法、積層ポリエステルフィルム、感光性転写材料、樹脂パターン、及び、タッチパネル |
TWI727768B (zh) * | 2020-04-24 | 2021-05-11 | 南亞塑膠工業股份有限公司 | 乾膜用的聚酯薄膜 |
TW202228972A (zh) | 2021-01-29 | 2022-08-01 | 南亞塑膠工業股份有限公司 | 聚酯黑膜及其製造方法 |
TWI790537B (zh) * | 2021-01-29 | 2023-01-21 | 南亞塑膠工業股份有限公司 | 聚酯白膜及其製造方法 |
TWI746359B (zh) * | 2021-01-29 | 2021-11-11 | 南亞塑膠工業股份有限公司 | 聚酯薄膜及其製造方法 |
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US5783283A (en) * | 1996-03-08 | 1998-07-21 | Minnesota Mining And Manufacturing Company | Multilayer polyester film with a low coefficient of friction |
KR20010074862A (ko) * | 1999-06-28 | 2001-08-09 | 야스이 쇼사꾸 | 이축배향 폴리에스테르 필름, 그 제조법 및사진감광재료용 지지체로서의 그 용도 |
EP1162227B1 (en) * | 1999-12-28 | 2008-06-18 | Teijin Limited | Polyester film roll |
US7053255B2 (en) * | 2000-11-08 | 2006-05-30 | Idemitsu Kosan Co., Ltd. | Substituted diphenylanthracene compounds for organic electroluminescence devices |
US20060037100A1 (en) * | 2004-08-12 | 2006-02-16 | Kim Young S | Fungal resistant transgenic pepper plants and their production method |
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2003
- 2003-09-11 JP JP2003319604A patent/JP4471611B2/ja not_active Expired - Lifetime
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2004
- 2004-08-09 KR KR1020057023298A patent/KR101064903B1/ko active IP Right Grant
- 2004-08-09 CN CN2004800161224A patent/CN1806000B/zh active Active
- 2004-08-09 WO PCT/JP2004/011444 patent/WO2005026242A1/ja active Application Filing
Patent Citations (1)
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EP0959097A2 (en) * | 1998-05-21 | 1999-11-24 | Teijin Limited | Composite polyester film and magnetic recording medium. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI811302B (zh) * | 2018-02-15 | 2023-08-11 | 日商三菱化學股份有限公司 | 乾式膜抗蝕劑基材用聚酯膜 |
Also Published As
Publication number | Publication date |
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JP2005082784A (ja) | 2005-03-31 |
CN1806000A (zh) | 2006-07-19 |
KR101064903B1 (ko) | 2011-09-16 |
JP4471611B2 (ja) | 2010-06-02 |
KR20060052693A (ko) | 2006-05-19 |
CN1806000B (zh) | 2010-12-15 |
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