Abstract: A method of producing a silica or silica-like coating by forming a precursor formulation from oligomeric organosilicate. The precursor formulation is coated on a substrate as a continuous liquid phase. The precursor formulation is then cured in an ammoniacal atmosphere to produce a continuous, interconnected, nano-porous silica network.

Abstract: The present invention relates to antibacterial composition containing silver complexes, antibacterial treatment methods using the same and antibacterial formed article, in which the antibacterial composition containing silver complexes is economical, not wearing off due to washing, cleaning, rubbing, etc., firmly combined to improve durability and antibacterial effect, and applicable to various products due to great solubility and stability.

Abstract: An apparatus and method for dispensing a solution on a substrate is described in which the solution is dispensed through a solution nozzle assembly while the substrate is rotated. As the solution is dispensed, the solution on the substrate forms a wave front that radially spreads from the substrate center to the substrate edge. The dispensing of the solution is performed in such a way that the solution is dispensed at a radial location substantially equivalent to or less than the radial location of the wave front at any instant in time.

Abstract: An apparatus for processing microelectronic topographies, a method of use of such an apparatus, and a method for passivating hardware of microelectronic processing chambers are provided. The apparatus includes a substrate holder configured to support a microelectronic topography and a rotatable case with sidewalls arranged on opposing sides of the substrate holder. The method of using such an apparatus includes positioning a microelectronic topography upon a substrate holder of a processing chamber, exposing the microelectronic topography to a fluid within the processing chamber, and rotating a case of the processing chamber. The rotation is sufficient to affect movement of the fluid relative to the surface of the microelectronic topography. A method for passivating hardware of a microelectronic processing chamber includes exposing the hardware to an organic compound and subsequently exposing the hardware to an agent configured to form polar bonds with the organic compound.

Abstract: A method for cleaning a wafer includes measuring a cross-sectional shape of an edge portion of wafer cut along a radial direction, assigning the measured shape to one of a plurality of groups classified by the shapes, determining an amount of cleaning liquid to be supplied and rotational speed at which the wafer is rotated depending a determination criterion, rotating the wafer and spraying the cleaning liquid toward a back face of the rotating wafer, and cleaning the edge portion and the back face of the wafer by spreading the cleaning liquid to the edge portion of the wafer.

Abstract: The invention relates to a nanostructured porous oxyfluoride film deposited onto a substrate, to a method for its production, and also to various applications. The oxyfluoride has a porous semicrystalline structure and a refractive index of 1.08 to 1.25, measured in the visible range for a relative humidity level below 80%. Its chemical composition corresponds to the formula (Mg(1?x)Cax)(1?y)MyF(2+(n?2)y?2z?t)Oz (OH)tM?w in which n is the valency of M, n being 1 to 4, M represents at least one element chosen from Al, Si, Ge and Ga, M? represents at least one element chosen from the group composed of Co, Cr, Ni, Fe, Cu, Sb, Ag, Pd, Cd, Au, Sn, Pb, Ce, Nd, Pr, Eu, Yb, Tb, Dy, Er and Gd, and 0?w<0.1; 0?x?1; 0?y?0.5; z<1; z+t>0 and t<2.

Abstract: A method for forming a self-organized monomolecular film, including at least: dissolving an alkylsilane compound having at least an alkoxysilane group or a chlorosilane group at one end of a molecule in an organic solvent having a dielectric constant of 3.0 or more to 6.0 or less to obtain a solution; subsequently coating the solution on a base material or immersing the base material into the solution; and subsequently drying the solution located on the base material.

Abstract: is provided a substrate processing apparatus capable of stably holding a substrate and properly processing the substrate. The substrate processing apparatus is an apparatus that processes a substrate while rotating the substrate, with a place surface of the substrate being oriented in a horizontal direction. The substrate processing apparatus comprises a table including a rotatable base plate having a plurality of projecting members projected outward, and a rotation driving mechanism that rotates the base plate. The table can rotatably hold the substrate such that the projecting members contact the substrate from below with a gap formed between the substrate and the table. The substrate processing apparatus further comprises a pressure adjusting apparatus including a suction duct line having one end thereof being opened to the gap, and a suction mechanism connected to the other end of the suction duct line.

Abstract: A method of monitoring synthesis of PCMO precursor solutions includes preparing a PCMO precursor solution and withdrawing samples of the precursor solution at intervals during a reaction phase of the PCMO precursor solution synthesis. The samples of the PCMO precursor solution are analyzed by UV spectroscopy to determine UV transmissivity of the samples of the PCMO precursor solution and the samples used to form PCMO thin films. Electrical characteristics of the PCMO thin films formed from the samples are determined to identify PCMO thin films having optimal electrical characteristics. The UV spectral characteristics of the PCMO precursor solutions are correlated with the PCMO thin films having optimal electrical characteristics. The UV spectral characteristics are used to monitor synthesis of future batches of the PCMO precursor solutions, which will result in PCMO thin films having optimal electrical characteristics.

Abstract: A coating apparatus includes a driving unit configured to rotate a substrate holding member about a vertical axis to spread a coating liquid supplied on a front side central portion of a substrate toward a front side peripheral portion of the substrate by a centrifugal force. The apparatus is provided with a wobble damping mechanism including a gas delivery port and a suction port both disposed to face a back side of the substrate and configured to damp a wobble of the substrate being rotated by delivering a gas from the delivery port and sucking the gas into the suction port.

Abstract: To provide a resin composition capable of forming a thin film layer so as to cause tenting over concave portions by conventional coating processes without depending on dry films, and also a coating method so as to cause tenting of the resin composition. A resin composition, which, by spin coating, causes tenting over concave portions formed on a substrate, the resin composition including a resin component (a) and a solvent (b) and has a viscosity of at least 200 cP, and tenting can be achieved by using the resin composition, allowing the resin composition to fall drop wise onto a substrate on which concave portions are formed, and spin coating the substrate at a rotating speed of 300 to 4000 rpm.

Abstract: It is an objective of the present invention to reduce or prevent incorporation of bubbles into a coating film formed by spin coating a surface of a substrate with a coating liquid having a high viscosity at a relatively high discharging velocity. The spin coating method relating to the present invention comprises the steps of discharging a coating liquid from the tip of a nozzle and dropping onto a surface of a rotating substrate to form a uniform coating film on the surface of the substrate, characterized in that the distance between the tip of the nozzle and the surface of the substrate during discharging the coating liquid is 2.5 mm or less.

Abstract: A method for preparing a quantum dot-inorganic matrix composite includes preparing an inorganic matrix precursor solution containing one or more quantum dot precursors, spin-coating the precursor solution on a substrate to form an inorganic matrix thin film, and heating the inorganic matrix thin film to form an inorganic matrix, while growing the quantum dot precursors into quantum dots in the inorganic matrix, thereby yielding a quantum dot-inorganic matrix composite. The quantum dot-inorganic matrix composite thus obtained has a structure in which the quantum dots have a high efficiency and are densely filled in an inorganic matrix. The quantum dot-inorganic matrix composites can be prepared using a low temperature process, and can be used for various displays and electronic device material applications.

Abstract: An object of the present invention is to provide a coating apparatus in which the substrate can be reliably rotated at high speed. Another object of the invention is to provide a coating method of forming a coating on a substrate while reliably rotating it at high speed. A coating apparatus includes a susceptor for supporting a silicon wafer, and a rotating portion for rotating the susceptor. The rotating portion is covered on top with the susceptor to form a P2 region. The contact surface of the susceptor with the silicon wafer has a plurality of holes therein. The silicon wafer is attached to the susceptor by evacuating gas from the P2 region.

Abstract: The present invention is directed to a method of forming multilayer silk protein films and a multilayer film obtained therefrom. The invention is further directed to various materials, products and compositions containing said multilayer film and to the use of Said multilayer film in several applications.

Abstract: In a liquid processing apparatus for forming a coating film on a polygonal substrate by spin coating in an ambient with a descending clean air flow, a spin chuck includes a support plate for substantially horizontally supporting the substrate thereon. Air flow control members are provided on the spin chuck such that the air flow control member being disposed adjacent to a periphery of the polygonal substrate supported on the spin chuck, wherein the air flow control member is not provided near corner portions of the substrate supported on the spin chuck. The liquid processing apparatus may includes an air flow regulation ring which is provided with an air inlet having an opening surrounding an outer periphery of the air flow control member, wherein the air inlet communicates with the exhaust unit.

Abstract: A method is disclosed for spin coating a stent. The method comprises applying a coating substance to the stent; rotating the stent about an axis of rotation, the axis of rotation being perpendicular to a longitudinal axis of the stent; and rotating the stent about the longitudinal axis of the stent contemporaneously with rotating the stent about the axis of rotation. The axis of rotation can intersect a center of the mass of the stent.

Abstract: A polymer assisted deposition process for deposition of metal oxide films and the like is presented. The process includes solutions of one or more metal precursor and soluble polymers having binding properties for the one or more metal precursor. After a coating operation, the resultant coating is heated at high temperatures to yield metal oxide films and the like. Such films can be epitaxial in structure and can be of optical quality. The process can be organic solvent-free.

Abstract: There is disclosed a film forming method comprising continuously discharging a solution adjusted so as to spread over a substrate by a given amount to the substrate through a discharge port disposed in a nozzle, moving the nozzle and substrate with respect to each other, and holding the supplied solution onto the substrate to form a liquid film, wherein a distance h between the discharge port of the nozzle and the substrate is set to be not less than 2 mm and to be in a range less than 5×10?5 q? (mm) given with respect to a surface tension ? (N/m) of the solution, discharge speed q (m/sec) of the solution continuously discharged through the discharge port, and a constant of 5×10?5 (m·sec/N).

Abstract: The resist coating unit (COT) has a spin chuck (41) which holds the wafer to be supplied with a resist liquid, and a process cup (50) which accommodates the spin chuck (41) and exhaustes an atmosphere around the wafer W from a bottom thereof. The process cup (50) comprises a first cup (51) with an outer circumferential wall (61a), and an airflow control member (52) laid out close to the wafer W in the first cup (51) in such a manner as to surround the wafer W. The airflow control member (52) has a vertical cross section of an approximately rectangular shape defined by the upper ring portion (62a) having a cross section of an approximately triangular shape and protruding upward, and a lower ring portion (62b) having a cross section of an approximately triangular shape and protruding downward. An exhaust passage (55) for substantially exhausting the atmosphere around the wafer W is formed between the outer circumferential wall (61a) and the airflow control member (52).

Abstract: The object of the present invention is to provide a method for producing an organic thin film which film properties such as heat resistance or durability are improved. It is a method for producing an organic thin film for forming an organic thin film on a substrate surface, comprising at least a step (B) of allowing the substrate to contact with an organic solvent solution comprising a metal surfactant having at least one or more hydrolysable group or hydroxyl group, and a catalyst that can interact with the metal surfactant, wherein the method further comprises after the step (B), a step (E1) of heating the substrate which has been in contact with the organic solvent solution at 100° C. to 150° C.; a step (E2) of immersing the substrate which has been in contact with the organic solvent solution in a warm water of 40° C. or more and less than the boiling point; or a step (E3) of allowing the substrate which has been in contact with the organic solvent solution to contact with a moisture vapor of 60° C.

Abstract: Lithium quinolate is an electroluminescent material which emits light in the blue region of the spectrum.

Abstract: Device (6) intended for an installation for forming fibrous felts, the fibers being formed from a material that can be attenuated by internal centrifugation and by attenuation by means of a gas stream, the flow of fibers being in the form of a tubular veil (2), the device including air blowing means (6) that expel air tangentially to the tubular veil (2) so as to impress a rotational movement on the veil, characterized in that the blowing means (6) deliver air in a direction perpendicular to the main direction of the flow of the tubular veil.

Abstract: In one embodiment, the method of producing a ceramic assembly includes: disposing an electrode precursor on an electrolyte precursor having an electrolyte sintering shrinkage, disposing a stabilizer precursor having a stabilizer sintering shrinkage on the electrode precursor on a side opposite the electrolyte precursor to form a precursor assembly, and sintering the precursor assembly to form the ceramic assembly comprising a stabilizer layer, electrode, and electrolyte. The difference between the electrolyte sintering shrinkage and the stabilizer sintering shrinkage is less than or equal to ±1% and a surface of the ceramic assembly has less than or equal to about 5.0 degrees camber, as measured from the horizontal plane.

Abstract: An inorganic nanocomposite is prepared by obtaining a solution of a soluble hydrazine-based metal chalcogenide precursor; dispersing a nanoentity in the precursor solution; applying a solution of the precursor containing the nanoentity onto a substrate to produce a film of the precursor containing the nanoentity; and annealing the film of the precursor containing the nanoentity to produce the metal chalcogenide nanocomposite film comprising at least one metal chalcogenide and at least one molecularly-intermixed nanoentity on the substrate. The process can be used to prepare field-effect transistors and photovoltaic devices.

Abstract: A preparation method of a dye incorporated in a recording layer for a high density optical recording medium, having the following general chemical structural formula (I): is provided.

Abstract: The invention relates to alkali-resistant sol-gel coatings, a process for producing alkali-resistant sol-gel coatings and use thereof. To provide alkali-resistant sol-gel coatings, a coating is proposed within the scope of the invention that consists of a hydrolysable silane of the compounds TEOS, MTEOS or higher-chain alkyl silanes (di- tri- and tetrafunctional silanes), but preferably TEOS, MTEOS or mixtures thereof and a condensation catalyst based on a) secondary or tertiary bases (e.g. amino, mercaptosilanes) and/or b) Lewis acids as metal alkoxides, such as aluminium alkoxides, zirconium alkoxides and titanium alkoxides where the ratio (in wt. %) of hydroysable silane to condensation catalyst is between 99:1 and 70:30.

Abstract: Spin coating a mixture of graphene oxide platelets, water, and an organic solvent by placing a drop of the mixture on a spinning substrate while blowing a drying gas onto the substrate and allowing the water and the organic solvent on the substrate to evaporate; and repeating the spin coating one or more times to form a graphene oxide film in contact with the substrate. An about 1-100 nm thick film of overlapping platelets of reduced graphene oxide.

Abstract: Three dimensional anti-reflection porous films or coated substrates and method for forming the films or coated substrates are disclosed, where the films or coatings have optical transmittances of at least 86% or a reflectance of at most 4%. The 3D anti-reflection porous film or coating compositions (a) one polymer or a plurality of network polymers, (b) one particles and/or a plurality particles, (c) optionally one crosslinking agent or a plurality of crosslinking agents, (d) optionally one oligomer or a plurality of oligomers, (e) optionally one polymerized monomer or a plurality of polymerized monomers, and (f) optionally void spaces, where the composition has a transmittance value of at least 86% or a reflectance value of at most 4%.

Abstract: A superhydrophobic coating of a nonwoven material is coated with a spongy mesh structure in the micro and nano ranges.

Abstract: Methods for synthesizing 1,4-(ketone or ketal) bridged and/or 5,14-(ketone or ketal) bridged hydropentacenes useful as soluble precursors for formation of pentacene or substituted (e.g., halo) pentacenes; precursor compounds formed thereby; methods for preparing form the precursor compounds conductive thin films comprising pentacene or a substituted pentacene, and articles including such thin films are described. Also described are tetracene and anthracene derivatives which should also be useful in the formation of conductive thin films, among other uses.

Abstract: A process and system for continuous flow-through dip-coating of a workpiece requires the introduction of the workpiece in a porous coating basket at a first side of a coating chamber and the removal of the coated workpiece in the coating basket from a second side of the coating compartment different from the first side. This enables the commingling of coated and uncoated workpieces to be avoided and allows for a higher throughput in the coating process.

Abstract: Disclosed herein are a coating solution for the formation of a dielectric thin film and a method for the formation of a dielectric thin film using the coating solution. The coating solution comprises a titanium alkoxide, a ?-diketone or its derivative, and a benzoic acid derivative having an electron donating group. The method comprises spin coating the coating solution on a substrate to form a thin film and drying the thin film at a low temperature to crystallize the thin film. The titanium-containing coating solution is highly stable. In addition, the coating solution enables formation of a thin film, regardless of the kind of substrates, and can be used to form dielectric thin films in an in-line mode in the production processes of PCBs.

Abstract: New baffles and methods of using these baffles are provided. The baffles comprise a body having an edge wall configured to direct the flow of a composition against a substrate (e.g., silicon wafer) edge. The edge wall comprises a vertical surface, a curved sidewall coupled to the vertical surface, and a lip coupled to the curved sidewall. A preferred baffle is annular in shape and formed from a synthetic resinous composition. Even more preferably, the baffle is not formed of a metal. The inventive methods comprise positioning the baffle adjacent a substrate during a spin coating process so that the edge wall causes the composition to cover the edges of the substrate and preferably a portion of the back side of the substrate.

Abstract: The present invention relates to the use of a nanostructured material, as a protective coating for metallic surfaces, said nanostructured material comprising functionalized nano-building blocks and a polymer or hybrid organic/inorganic matrix. It also relates to a particular nanostructured material in which the matrix is prepared from at least three silicon alkoxides.

Abstract: Disclosed herein is a composition, including a fluorine-based polymer or a perfluoropolyether (PFPE) derivative and a PFPE-miscible polymer, an anti-oxide film and electronic component including the same, and methods of forming an anti-oxide film and an electronic component. Use of the composition may achieve formation of an anti-oxide film through a solution process and electronic components using a metal having increased conductivity and decreased production costs.

Abstract: It is an object of the present invention to provide a biosensor on which a large amount of protein can be immobilized and nonspecific adsorption is less likely to occur with the use of a SAM compound having high water solubility and good performance in terms of supply. The present invention provides a biosensor comprising a substrate on which a hydrophilic polymer having a reactive group capable of binding to a physiologically active substance is immobilized via a compound represented by the following formula (1), said compound at a concentration of 1 mM being dissolved in water at 25° C.: X-L-Y??(1) wherein X represents a group capable of binding to metal, L represents a linking group, and Y represents a functional group to which the hydrophilic polymer is bound.

Abstract: The invention relates to a ceramic component comprising a surface which is resistant to hot gas, and a method for the production thereof. Said ceramic component comprises a ceramic body and a surface which is resistant to hot gas. According to the invention, the surface which is resistant to hot gas is provided with a poorly reactive mineral coating.

Abstract: A process and relating plant for applying protective coats of paint to containers, especially plastic bottles. The process involves gripping the bottles by means of rotating gripping devices fastened to a conveyor chain, and conveying said bottles to all the different stations involved in the process: coating, drying, and curing. Centrifugation is used to remove any excess coating from the external surface of the bottles, keeping the bottles fastened to the same conveyor chain.

Abstract: A concept and synthesis technology for a composite nanoparticle material which can be used to develop nanocomposite films and suspension with 1) dynamic refractive index control across a wide temperature and wavelength of light, and specified refractive index range, or 2) magnetic susceptibility or electronic conductivity over a wide temperature, magnetic field and electric field range. Core-shell nanoparticles can be made from two or more materials whose temperature dependent, electric field dependent or magnetic field dependent properties compensate one another will dynamically maintain a targeted refractive index, electronic conductivity or magnetic susceptibility over a specified temperature, electric and/or magnetic field range. Mixtures of composite nanoparticles with complementary behavior can optionally be used to widen the operational range of the nanocomposite material further or dampen temperature dependency in a controlled manner, e.g.

Abstract: The objective of the invention is to prevent unwanted dripping of SOG from nozzles and coating of crystallized or solidified particles in an SOG coater that utilizes different kinds of SOG material. The SOG supply method includes a step in which, when executing processing for supplying a first spin-on glass to a lot from a first nozzle, a prescribed amount of second spin-on glass is discharged from a second nozzle at the beginning or the end of the processing of said lot. Furthermore, the SOG supply method includes a step in which the second nozzle is cleaned at the beginning of processing of the substrates contained in a lot.

Abstract: The invention is a coating apparatus including: a substrate-holding part that holds a substrate horizontally; a chemical nozzle that supplies a chemical to a central portion of the substrate horizontally held by the substrate-holding part; a rotation mechanism that causes the substrate-holding part to rotate in order to spread out the chemical on a surface of the substrate by a centrifugal force, for coating the whole surface with the chemical; a gas-flow-forming unit that forms a down flow of an atmospheric gas on the surface of the substrate horizontally held by the substrate-holding part; a gas-discharging unit that discharges an atmosphere around the substrate; and a gas nozzle that supplies a laminar-flow-forming gas to the surface of the substrate, the laminar-flow-forming gas having a coefficient of kinematic viscosity larger than that of the atmospheric gas; wherein the atmospheric gas or the laminar-flow-forming gas are supplied to the central portion of the substrate.

Abstract: In the present invention, a plurality of exhaust paths connected to a plurality of cup bodies surrounding substrate holding portions respectively are joined together for common use, and the openings of exhaust rate adjustment sections provided on the exhaust paths are adjusted with reference to data in which combinations of the numbers of rotations of the substrate holding portions are associated with combinations of set exhaust rates of the exhaust paths when solution treatment is performed by rotating the substrate by the substrate holding portion. According to the present invention, the cup body can be exhausted at an intended exhaust rate at all times independently of the state where the substrate in which cup body is subjected to which process.

Abstract: A friction material has a resin amount distribution that is the largest at a portion near a non-friction surface, that becomes lower toward an inside and that is the lowest at a portion near a friction surface. For example, such friction material is manufacture as follows. First, two friction materials are overlapped while the friction surfaces faced with each other. Then, the friction materials are dried at a room temperature. At this time, the resin has such a characteristic as to move while dragged by a solvent that dries from the non-friction surface located outside. Using such characteristic, the resin amount at the portion near the friction surface is lessened. Then, a temperature at the friction surface is made low and a temperature at the non-friction surface is made high in a drying step of the friction material. Thereby, the resin amount at the portion near the friction surface is lessened.

Abstract: The invention relates to a device for applying adhesive threads to a substrate (30). Said device comprises a rotatable application head (18) encompassing at least one adhesive discharge nozzle (18A) located at a radial distance (b) from the axis of rotation (18D) of the application head (18), a shaft (18B), and at least one adhesive supply duct (18C) which extends from an adhesive supply unit (20) to the at least one adhesive discharge nozzle (18A) via the shaft (18B). A rotary drive unit (12, 15, 14) rotates the application (18) about the shaft (18B) thereof while an adhesive supply unit (20) and/or a valve assembly (22) control/s impingement of the adhesive supply duct (18C) of the application head (18) with adhesive. The invention further relates to a method for applying adhesive threads to a substrate as well as products made therefrom.

Abstract: The invention includes a hermetic container provided with a substrate mount; a vacuum exhauster connected to the hermetic container; a current member; and a current member raising and lowering mechanism. When the current member is raised and lowered as a function of the pressure inside the hermetic container, a liquid flow of the coating solution on the substrate is controlled, thereby controlling the uniformity of the film thickness of the coating solution.

Abstract: The present invention relates to a transparent aqua-based nano sol-gel composition and method of applying the same to transparent substrates without decreasing the visible light and sunlight transmittance thereof. The transparent aqua-based nano sol-gel can be applied to a surface of a transparent substrate to form a porous film which will not reduce the visible light and sunlight transmittance of the transparent substrate and will impart a self-cleaning function to the transparent substrate. The transparent aqua-based nano sol-gel composition contains a transparent aqua-based zeolite sol-gel having a particle size of less than 100 nm, a polysiloxane derivate, a surfactant, a transparent aqua-based photocatalytic sol-gel of titanium dioxide having a particle size of less than 100 nm, and deionized water.

Abstract: An aqueous dispersion including a partially fluorinated dispersant, an electrically conductive polymer and a film forming additive. The film forming additive includes a boiling temperature greater than about 85° C. (185° F.). In addition, the concentration of the film forming additive is less than the solubility limit of the additive in water. The dynamic surface tension of the dispersion including the film forming additive is less than about 60 dynes/cm at 100 ms surface age. A method for making an electrically conductive polymer film and devices including electrically conductive polymer film are also disclosed.

Abstract: A recording medium particularly suitable for electrophotographic copying is characterized by coated paper that for a given basis weight has proportionally less coating and proportionally more fiber than conventional coated paper made for electrophotographic processes. The base sheet of the coated paper is preferably formed square on a paper machine wet end and has on the order of 40-50% less filler than conventional sheet paper made for electrophotographic processes. After being formed and dried, the base sheet is provided with a top coat weight that is approximately 60% less than the typical coat weight used for conventional paper. The coating is formulated to have sufficient viscosity to stay more on the surface of the base sheet. The coated sheet is calendered to a medium gloss on the order of a 75° TAPPI gloss of about 45, both to preserve a degree of surface roughness to enhance runnability of the paper through an electrophotographic copier and to provide a pleasant and easily readable surface.

Abstract: A coating layer forming apparatus for minimizing the amount of the coating solution when forming a coating layer on a part and enhancing a dimensional precision of a formed surface of the coating layer. The coating layer forming apparatus has a rotation supporting device, a feeder (15), a layer former, and a coating removing device, maintains the inclined angle of a coating former for forming the coating layer at 30 to 70 degrees with respect to a tangential direction of rotation of a coating of a coating surface, and removes excess coating solution deposited on the coating former by a coating removing device.