Abstract: Provided is a coating apparatus that included a coating unit that coats a target to be coated with a coating liquid; a housing unit that houses the coating liquid to be supplied to the coating unit; and a conduit that supplies the coating liquid from above into the housing unit, in which the conduit has an end portion on a side through which the coating liquid is discharged, the end portion being provided with an opening portion through which the coating liquid is discharged, and a bent portion that is bent so as to have the opening portion directed upward.

Abstract: A coating apparatus includes: a coating unit configured to form a coating film by applying a coating liquid containing a component to be solidified onto a sheet that is relatively moving and by solidifying the applied coating liquid; a liquid delivering unit configured to deliver the coating liquid to the coating unit; a measuring unit configured to measure a mass flow rate of the coating liquid and arranged between the liquid delivering unit and the coating unit; and a control unit storing a reference value of the mass flow rate and configured to change the mass flow rate of the coating liquid to be delivered by the liquid delivering unit on the basis of the reference value and a measurement result by the measuring unit.

Abstract: A filter unit including a filter and a housing, in which the filter has an opening on one end side and filters a coating liquid from the outside to the inside of the filter, the housing has, on one end side, an inlet port of the coating liquid, and has, on the other end side, an outlet port of the coating liquid filtered by the filter, the filter is attached to the other end side of the housing so that the opening and the outlet port communicate with each other, and the housing has a release hole through which air is released, the release hole being formed at the other end outside the filter.

Abstract: Provided is a shim member which is sandwiched between two die blocks provided in a die coater, and has the U shape formed by a base end portion which is arranged so as to extend in a longitudinal direction of the slot, and a pair of extending portions which extend toward a nose portion of the die from both ends in a longitudinal direction of the base end portion, wherein a first portion which is a nose portion of at least one extending portion or the whole of at least the one extending portion, out of the pair of the extending portions, and a second portion which is the remaining portion including at least the base end portion, are structured so as to be separable from each other.

Abstract: A method for coating with a coating liquid according to the present invention is a method for coating an object-to-be-coated with a coating liquid containing dispersed particles, using a die, wherein the flowage of the coating liquid within a manifold 5 provided within the die is such that the deviation of the average flow rate of the coating liquid in the direction of the width becomes equal to or less than 60% of an average flow rate over the entire area of the manifold 5, in at least 80% of the area from a liquid supplying portion 8 in the manifold to an end portion P of the manifold.

Abstract: A die coater includes: a detecting section which detects a thickness of a coating film formed on a substrate; and a controlling section which can control the quantity of a supply flow of a coating liquid to be supplied to a cavity by a supplying section and the quantity of an ejection flow of the coating liquid to be ejected from the cavity by an ejecting section, on the basis of a detection result of the detecting section, when a coating width in a longitudinal direction of a slot has been changed.

Abstract: Provided is a shim member which is sandwiched between two die blocks provided in a the coater, and has the U shape formed by a base end portion which is arranged so as to extend in a longitudinal direction of the slot, and a pair of extending portions which extend toward a nose portion of the die from both ends in a longitudinal direction of the base end portion, wherein a first portion which is a nose portion of at least one extending portion or the whole of at least the one extending portion, out of the pair of the extending portions, and a second portion which is the remaining portion including at least the base end portion, are structured so as to be separable from each other.

Abstract: A method for coating with a coating liquid according to the present invention is a method for coating an object-to-be-coated with a coating liquid containing dispersed particles, using a die, wherein the flowage of the coating liquid within a manifold 5 provided within the die is such that the deviation of the average flow rate of the coating liquid in the direction of the width becomes equal to or less than 60% of an average flow rate over the entire area of the manifold 5, in at least 80% of the area from a liquid supplying portion 8 in the manifold to an end portion P of the manifold.

Abstract: An object of the invention is to provide a process for continuously producing a laminated optical film, the process being able to produce a laminated optical film in which the occurrence of a point defect is suppressed.

Abstract: A method for coating with a coating liquid according to the present invention is a method for coating an object-to-be-coated with a coating liquid containing dispersed particles, using a die, wherein the flowage of the coating liquid within a manifold 5 provided within the die is such that the deviation of the average flow rate of the coating liquid in the direction of the width becomes equal to or less than 60% of an average flow rate over the entire area of the manifold 5, in at least 80% of the area from a liquid supplying portion 8 in the manifold to an end portion P of the manifold.

Abstract: There is provided a process for production of a water-resistant organic thin film without causing damage to the water-resistant organic thin film which comprises the steps of: (a) keeping supporting means away from an organic thin film; (b) preventing a base material on which the organic thin film is laminated from warping; and (c) allowing the base material on which the organic thin film is laminated to gently pass through a water-resistant treatment liquid in a reactor.

Abstract: The method of cleaning a coated sheet according to the present invention is characterized in that dry wind is brown along the traveling direction of a film onto the surface of a coating layer wherein the solid content and the viscosity of the coating solution are within specified ranges. By this method, the thickness precision of the coating film can be improved in its large area, and the evenness of its in-plane optically functional property can be made even therein. The speed of the dry wind, the temperature of the wind, and the thickness of the dried coating film are preferably within specified ranges. In particular, the coated sheet is very useful as an optical material having good properties in an optically functional layer which is frequently used as a large-area coated sheet, an optical device having such an optically functional layer, an optically compensating layer, or an optically compensating plate. The coated sheet is particularly effective for an image display on which they are mounted.

Abstract: An object of the present invention is to provide a die coater that is capable of applying a coating liquid to a uniform thickness, while employing a relatively simple structure and reducing the frequency of readjustment necessitated due to the change over time. A die coater includes a first block and a second block disposed opposite to each other with a slit formed in a leading end thereof acting as an ejecting port for ejecting a coating liquid, and a shim held between the first block and the second block, in which the width of the slit is adjustable according to the thickness of the shim, and the shim has surfaces in which recessed portions are formed partially in a longitudinal direction of the slit.

Abstract: A method for coating with a coating liquid according to the present invention is a method for coating an object-to-be-coated with a coating liquid containing dispersed particles, using a die, wherein the flowage of the coating liquid within a manifold 5 provided within the die is such that the deviation of the average flow rate of the coating liquid in the direction of the width becomes equal to or less than 60% of an average flow rate over the entire area of the manifold 5, in at least 80% of the area from a liquid supplying portion 8 in the manifold to an end portion P of the manifold.

Abstract: The present invention relates to a method of drying a coating film, and its object is to produce a coating film with small variations in thickness with stability. Thus, in the method of drying a coating film 11 formed by application of a coating solution to a long-length substrate 10 which is traveling, the coating film 11 is dried immediately after the application of a coating solution to the long-length substrate 10, with an evaporation rate of a solvent kept at 0.1 g/m2 s or less. Preferably, on a travel path of the coating film 11 immediately after coating, a plate 20 should be provided with a predetermined air gap between itself and the coating film 11 thereby to control the evaporation rate of the coating solution.

Abstract: The method of cleaning a coated sheet according to the present invention is characterized in that dry wind is brown along the traveling direction of a film onto the surface of a coating layer wherein the solid content and the viscosity of the coating solution are within specified ranges. By this method, the thickness precision of the coating film can be improved in its large area, and the evenness of its in-plane optically functional property can be made even therein. The speed of the dry wind, the temperature of the wind, and the thickness of the dried coating film are preferably within specified ranges. In particular, the coated sheet is very useful as an optical material having good properties in an optically functional layer which is frequently used as a large-area coated sheet, an optical device having such an optically functional layer, an optically compensating layer, or an optically compensating plate. The coated sheet is particularly effective for an image display on which they are mounted.

Abstract: The present invention provides a production method of a printed circuit board having a circuit pattern with a little variation in the thickness at a low cost without a special step for removal of a dummy pattern. The present invention is characterized in that an insulating layer 2 is formed in a given pattern on one surface of a supporting substrate 1, a circuit pattern 6 is formed on the insulating layer 2 while forming a dummy pattern 7 in an area free of the insulating layer 2 on the one surface of the supporting substrate 1, and an unnecessary part of the supporting substrate 1, which is free of the insulating layer 2 and the circuit pattern 6, is removed by dissolution together with the dummy pattern 7.

Abstract: A wired circuit board having a terminal portion formed as a flying lead that can provide enhanced strength of the conductive pattern, both sides of which are exposed, by simple construction to effectively prevent disconnection of the conductive pattern. The wired circuit board having the terminal portion formed as the flying lead in which the both sides of the conductive pattern are exposed includes, in crossing areas where ends of a cover-side opening and ends of a base-side opening and the conductive pattern are crossed each other, (i) the widened portions formed in the conductive pattern or (ii) cover-side projections and base-side projections formed in the cover layer and the base layer, respectively.

Abstract: The present invention provides a production method of a printed circuit board having a circuit pattern with a little variation in the thickness at a low cost without a special step for removal of a dummy pattern. The present invention is characterized in that an insulating layer 2 is formed in a given pattern on one surface of a supporting substrate 1, a circuit pattern 6 is formed on the insulating layer 2 while forming a dummy pattern 7 in an area free of the insulating layer 2 on the one surface of the supporting substrate 1, and an unnecessary part of the supporting substrate 1, which is free of the insulating layer 2 and the circuit pattern 6, is removed by dissolution together with the dummy pattern 7.

Abstract: A wired circuit board having a terminal portion formed as a flying lead that can provide enhanced strength of the conductive pattern, both sides of which are exposed, by simple construction to effectively prevent disconnection of the conductive pattern. The wired circuit board having the terminal portion formed as the flying lead in which the both sides of the conductive pattern are exposed includes, in crossing areas where ends of a cover-side opening and ends of a base-side opening and the conductive pattern are crossed each other, (i) the widened portions formed in the conductive pattern or (ii) cover-side projections and base-side projections formed in the cover layer and the base layer, respectively.