Abstract: A polyimide resin that is a copolymer of an amino compound (A) and a tetrabasic acid dianhydride (B). The amino compound (A) includes a straight chain aliphatic diamino compound (a1) and an aromatic diamino compound (a2). The straight chain aliphatic diamino compound (a1) includes amino groups at both terminals, 1 to 4 methyl groups and/or ethyl groups in a side chain and 17 to 24 carbon atom in a main chain.

Abstract: A polymide resin is the product of a reaction between an imidized compound (P) of a polyamic acid resin with a compound (C) having a functional group, that can react with a phenolic hydroxyl group, and an ethylenically unsaturated double bond group. The polyamic acid resin is a copolymer of amino compounds (A) and a tetrabasic acid dianhydride (B). Amino compounds (A) contain an aminophenol compound (a1) having at least two amino groups per molecule, an aliphatic diamino compound (a2) having 6-36 carbon atoms, and an aromatic diamino compound (a3) having no phenolic hydroxyl group.

Abstract: An isocyanate-modified polyimide resin is a reaction product of a diisocyanate compound (a) having an isocyanate group and a polyimide resin having an amino group and/or an acid anhydride group. The polyimide resin is a reaction product of an aliphatic diamino compound (b), a tetrabasic acid dianhydride (c) and an aromatic diamino compound (c). The isocyanate-modified polyimide has an amino group and/or an acid anhydride group on both ends. This isocyanate-modified polyimide resin is a resin material having a novel structure, and is suitable for use in a printed wiring board. A cured product which is obtained using this resin material has a low dielectric loss tangent, while being excellent in terms of adhesiveness, heat resistance and mechanical property.

Abstract: An image generation apparatus configured to generate a substrate image for inspection regarding a defect on a substrate, the substrate having a frame pattern formed on a surface thereof, the frame pattern being a unique pattern for each kind of a treatment recipe for the substrate, the image generation apparatus including: a region estimator configured to estimate a region corresponding to the frame pattern in a substrate image of an inspection object based on an identification model, the identification model being acquired by machine learning in advance and for identifying an image of the frame pattern included in a substrate image; and an eraser configured to erase the image of the frame pattern from the substrate image of the inspection object based on an estimation result by the region estimator to generate the substrate image for inspection.

Abstract: An image generation apparatus configured to generate a substrate image for inspection regarding a defect on a substrate, the substrate having a frame pattern formed on a surface thereof, the frame pattern being a unique pattern for each kind of a treatment recipe for the substrate, the image generation apparatus including: a region estimator configured to estimate a region corresponding to the frame pattern in a substrate image of an inspection object based on an identification model, the identification model being acquired by machine learning in advance and for identifying an image of the frame pattern included in a substrate image; and an eraser configured to erase the image of the frame pattern from the substrate image of the inspection object based on an estimation result by the region estimator to generate the substrate image for inspection.

Abstract: A silicone-modified epoxy resin composition that offers a cured product excellent in low permeability to gas, mechanical strength, and heat resistance and transparency and further offers an optical semiconductor sealing material excellent in heat cycle resistance, and a cured epoxy resin product obtained by curing the composition. The epoxy resin composition comprises the following components (A) to (C): (A) a silicone-modified epoxy resin having a cyclic siloxane structure, (B) a silicone-modified epoxy resin having a branched siloxane structure, and (C) an epoxy resin curing agent containing a polyvalent carboxylic acid having a tricyclodecane structure and a carboxylic anhydride compound.

Abstract: A silicone-modified epoxy resin which yields a cured product having low gas permeability and excellent strength; a composition of the silicone-modified epoxy resin; and an epoxy resin cured product obtainable by curing the composition, are provided. An epoxy resin represented by the following Formula (1): wherein R1 represents a hydrocarbon group having 1 to 6 carbon atoms; X represents an organic group having a norbornane epoxy structure, or a hydrocarbon group having 1 to 6 carbon atoms; n represents an integer from 1 to 3; plural R1s and plural Xs present in the formula may be respectively identical or different; and two or more of plural Xs represent an organic group having a norbornane epoxy structure.

Abstract: The purpose of the present invention is to provide a silicone-modified epoxy resin which produces a cured product having excellent low gas permeability and strength; a composition of the resin; and an epoxy resin cured product obtainable by curing the composition. Disclosed is an epoxy resin represented by the following Formula (1): wherein R1 independently represents a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R2 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms; R3 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R4 represents an oxygen atom or a divalent hydrocarbon group having an aliphatic cyclic structure; R5 represents silicone chain having a norbornane epoxy structure at either end; and X represents an organic group having a norbornane epoxy group.

Abstract: An epoxy resin represented by the following formula (1) wherein R1 represents an alkylene group having 2 to 6 carbon atoms and optionally containing an ester or ether bond; R2 represents a monovalent aliphatic hydrocarbon group having 1 to 6 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R3 represents an oxygen atom or a phenylene group; k represents 1 to 10 as an average value; m represents an integer of 0 to 2; n represents 0 to 10 as an average value; and a plurality of groups R1, R2, R3, k, or m present in the formula may be the same or different from each other.

Abstract: A silicone-modified epoxy resin which yields a cured product having low gas permeability and excellent strength; a composition of the silicone-modified epoxy resin; and an epoxy resin cured product obtainable by curing the composition, are provided. An epoxy resin represented by the following Formula (1): wherein R1 represents a hydrocarbon group having 1 to 6 carbon atoms; X represents an organic group having a norbornane epoxy structure, or a hydrocarbon group having 1 to 6 carbon atoms; n represents an integer from 1 to 3; plural R1s and plural Xs present in the formula may be respectively identical or different; and two or more of plural Xs represent an organic group having a norbornane epoxy structure.

Abstract: The purpose of the present invention is to provide a silicone-modified epoxy resin which produces a cured product having excellent low gas permeability and strength; a composition of the resin; and an epoxy resin cured product obtainable by curing the composition. Disclosed is an epoxy resin represented by the following Formula (1): wherein R1 independently represents a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R2 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms; R3 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R4 represents an oxygen atom or a divalent hydrocarbon group having an aliphatic cyclic structure; R5 represents silicone chain having a norbornane epoxy structure at either end; and X represents an organic group having a norbornane epoxy group.

Abstract: Problem to be Solved The purpose of the invention, in view of the above circumstances, is to provide a silicone-modified epoxy resin composition that offers a cured article excellent in low gas permeability and strength, and an epoxy resin cured article obtained by curing the composition. Solution An epoxy resin represented by the following formula (1) wherein R1 represents an alkylene group having 2 to 6 carbon atoms and optionally containing an ester or ether bond; R2 represents a monovalent aliphatic hydrocarbon group having 1 to 6 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R3 represents an oxygen atom or a phenylene group; k represents 1 to 10 as an average value; m represents an integer of 0 to 2; n represents 0 to 10 as an average value; and a plurality of groups R1, R2, R3, k, or m present in the formula may be the same or different from each other.

Abstract: A silicone-modified epoxy resin composition that offers a cured product excellent in low permeability to gas, mechanical strength, and heat resistance and transparency and further offers an optical semiconductor sealing material excellent in heat cycle resistance, and a cured epoxy resin product obtained by curing the composition. The epoxy resin composition comprises the following components (A) to (C): (A) a silicone-modified epoxy resin having a cyclic siloxane structure, (B) a silicone-modified epoxy resin having a branched siloxane structure, and (C) an epoxy resin curing agent containing a polyvalent carboxylic acid having a tricyclodecane structure and a carboxylic anhydride compound.

Abstract: A signal transmitting connector of the present disclosure includes a connection terminal portion comprising a terminal that executes at least one of outputting of an electric signal to an external device or inputting of the electric signal from an external device, a connector portion comprising a photoelectric converting portion that executes photoelectric conversion between an optical signal and the electric signal, and a cable holding portion that holds an optical fiber transmitting the optical signal, the cable holding portion comprising one or a plurality of cable holding portion mirror(s) each forming an optical path between the optical fiber and the photoelectric converting portion.

Abstract: A signal transmission device includes a differential driver, a first single-ended driver circuit block, a second single-ended driver circuit block, a control circuit, and a common-mode filter. In the case where two-channel single-ended transmission is performed by using the first and second single-ended driver circuit blocks, the control circuit controls a driving capability of the first single-ended driver circuit block and a driving capability of the second single-ended driver circuit block in accordance with a combination of a change in a logical value of an output signal of the first single-ended driver circuit block and a change in a logical value of an output signal of the second single-ended driver circuit block.

Abstract: A signal transmission device includes a differential driver, a first single-ended driver circuit block, a second single-ended driver circuit block, a control circuit, and a common-mode filter. In the case where two-channel single-ended transmission is performed by using the first and second single-ended driver circuit blocks, the control circuit controls a driving capability of the first single-ended driver circuit block and a driving capability of the second single-ended driver circuit block in accordance with a combination of a change in a logical value of an output signal of the first single-ended driver circuit block and a change in a logical value of an output signal of the second single-ended driver circuit block.

Abstract: A signal transmitting connector of the present disclosure includes a connection terminal portion comprising a terminal that executes at least one of outputting of an electric signal to an external device or inputting of the electric signal from an external device, a connector portion comprising a photoelectric converting portion that executes photoelectric conversion between an optical signal and the electric signal, and a cable holding portion that holds an optical fiber transmitting the optical signal, the cable holding portion comprising one or a plurality of cable holding portion mirror(s) each forming an optical path between the optical fiber and the photoelectric converting portion.

Abstract: The present invention relates to a silver anti-tarnish agent having, as an effective component, a zinc salt and/or a zinc complex, preferably at least one kind selected from the group consisting of a carboxylic acid zinc salt having a carbon atom number of 3 to 20, a phosphoric acid zinc salt, a phosphate ester zinc salt and a carbonyl compound zinc complex; a silver anti-tarnish method for preventing tarnish of a silver part by applying said silver anti-tarnish agent to the silver part. According to the present invention, tarnish of a silver part such as a silver-plated part due to a sulfur-based gas can be prevented. The present invention is useful particularly as a silver anti-tarnish agent for a light-emitting diode and allows preventing tarnish of a silver part of a light-emitting diode and reduction in illuminance by applying the silver anti-tarnish agent of the present invention to a silver part such as a silver-plated part of a light-emitting diode for covering the silver part.

Abstract: Novel utilization of sucralose which is a high intense sweetener. Compositions containing sucralose including: sweetening compositions having excellent sweetness qualities based on the characteristics of sucralose; foods with a masked unpleasant smell and unpleasant taste; performance food compositions (viscous food compositions, gel food compositions, emulsified food compositions); foods with improved flavors; preservatives and foods with improved quality of taste; and flavor compositions with improved flavors. Novel utilization of sucralose as a sweetener improver, a masking agent for unpleasant smell/unpleasant taste, a flavor improver, a function improver (viscosity, gelling properties, emulsification properties), a taste characteristic improver, and a flavor improver/enhancer.

Abstract: Novel utilization of sucralose which is a high intense sweetener. Compositions containing sucralose including: sweetening compositions having excellent sweetness qualities based on the characteristics of sucralose; foods with a masked unpleasant smell and unpleasant taste; performance food compositions (viscous food compositions, gel food compositions, emulsified food compositions); foods with improved flavors; preservatives and foods with improved quality of taste; and flavor compositions with improved flavors. Novel utilization of sucralose as a sweetener improver, a masking agent for unpleasant smell/unpleasant taste, a flavor improver, a function improver (viscosity, gelling properties, emulsification properties), a taste characteristic improver, and a flavor improver/enhancer.